STEVEN DARBY WRAY, M.D.

ATLANTA, GA

Research Active
Neurological Surgery NPI registered 21+ years 50 publications 2023 – 2026 NPI: 1689679219
MiceAlzheimer DiseaseMutationRatsDementiaPregnancyDisease Models, AnimalMice, KnockoutBrainNeuronsInduced Pluripotent Stem Cellstau ProteinsGonadotropin-Releasing HormoneAmyloid beta-PeptidesUterine Contraction

Practice Location

2001 PEACHTREE RD NE STE 575
ATLANTA, GA 30309-1476

Phone: (404) 350-0106

What does STEVEN WRAY research?

Dr. Wray studies the underlying mechanisms and potential treatments for neurological diseases, particularly Alzheimer's disease and multiple sclerosis. His research delves into how certain proteins and pathways contribute to these conditions, seeking to develop better diagnostic tools and treatment strategies. For instance, he investigates amyloid-beta peptides in Alzheimer's patients and measures brain activity changes linked to the disease. Additionally, he explores the effectiveness of drugs like ublituximab for treating relapsing multiple sclerosis. His work also touches on genetic aspects of infertility, providing insights into conditions like idiopathic hypogonadotropic hypogonadism.

Key findings

  • In Alzheimer’s research, Aβ42 and Aβ43 peptides were found to be significantly better biomarkers for disease progression than shorter peptides, improving diagnostic potential.
  • Using ublituximab, patients with highly active relapsing multiple sclerosis experienced a 70.8% reduction in annual relapse rates compared to another drug, teriflunomide.
  • In a long-term study, 92% of MS patients on ublituximab remained free from confirmed disability progression after five years.
  • Patients with normal pressure hydrocephalus showed a ten-fold slower clearance of transthyretin in cerebrospinal fluid compared to healthy individuals, indicating impaired protein clearance.
  • Mutations in the EMX2 gene were linked to idiopathic hypogonadotropic hypogonadism, confirming a critical genetic role in fertility.

Frequently asked questions

Does Dr. Wray study Alzheimer's disease?
Yes, he conducts extensive research on Alzheimer’s disease, focusing on biomarkers and the mechanisms that contribute to its progression.
What treatments has Dr. Wray researched for multiple sclerosis?
Dr. Wray has researched the drug ublituximab, finding it significantly reduces relapse rates in patients with highly active relapsing multiple sclerosis.
Are Dr. Wray's findings relevant for infertility issues?
Absolutely, his research includes identifying genetic causes of infertility, such as the role of the EMX2 gene in idiopathic hypogonadotropic hypogonadism.
What impact does Dr. Wray's research have on Alzheimer's disease diagnosis?
His findings on amyloid-beta peptides could lead to better diagnostic tests for Alzheimer's, enhancing patient care.
How does Dr. Wray's work address neurological disorders?
He studies various aspects of neurological disorders, including protein clearance in cerebrospinal fluid and the effects of drugs on disease progression, aiming to improve treatments.

Publications in plain English

Oxidized MIF is an Alzheimer's disease drug target relaying external risk factors to tau pathology.

2026

Cell reports. Medicine

Müller-Schiffmann A, Torres F, Kitaygorodskyy A, Ramani A, Alatza A +16 more

Plain English
This research studied how a specific protein in the body, called macrophage migration inhibitory factor (MIF), is linked to Alzheimer's disease by interacting with the herpes simplex virus. The researchers discovered a small molecule that can effectively reduce harmful tau protein buildup in cells, which is seen in Alzheimer's, showing promising results both in the lab and in living models. This is important because it highlights a potential new target for treatments that could lower the risk or severity of Alzheimer's disease linked to viral infections. Who this helps: This helps patients with Alzheimer's disease and their families.

PubMed

Five Years of Ublituximab in Multiple Sclerosis: ULTIMATE I and II Open-Label Extension Study.

2026

JAMA neurology

Cree BAC, Fox E, Hartung HP, Alvarez E, Qian P +10 more

Plain English
This study followed nearly 900 adults with relapsing multiple sclerosis (MS) over five years to evaluate the long-term effects of a drug called ublituximab. The results showed that participants who remained on ublituximab experienced a significant reduction in disease activity, with annual relapses dropping to just 0.020 by year five and 92% remaining free from confirmed disability progression. These findings highlight the drug's continued effectiveness and safety over an extended period, emphasizing the importance of starting high-efficacy treatments early for better patient outcomes. Who this helps: This helps patients with relapsing multiple sclerosis and their doctors.

PubMed

De novo rare EMX2 variants lead to idiopathic hypogonadotropic hypogonadism.

2026

Genetics in medicine : official journal of the American College of Medical Genetics

Stamou M, Tompkins M, Bow H, Kearney J, Akram M +15 more

Plain English
Researchers studied a genetic cause of infertility known as idiopathic hypogonadotropic hypogonadism (IHH) by analyzing the DNA of 142 families. They found that mutations in the EMX2 gene resulted in IHH, developmental delays, and hearing loss. Specifically, these rare mutations were present in individuals with IHH, confirming EMX2's critical role in fertility and development. Who this helps: This helps patients experiencing infertility issues and their doctors in understanding potential genetic causes.

PubMed

Efficacy of Ublituximab in People with Highly Active Relapsing Multiple Sclerosis.

2026

Neurology and therapy

Hartung HP, Robertson D, Steinman L, Arnold DL, Qian P +8 more

Plain English
This study examined the effectiveness of a drug called ublituximab compared to another drug, teriflunomide, in people with highly active multiple sclerosis (MS) who experienced at least two relapses in the previous year. The results showed that patients using ublituximab had significantly fewer relapses (0.145 per year) compared to those on teriflunomide (0.496 per year), representing a 70.8% reduction. Additionally, the number of disease markers seen on scans was much lower for those taking ublituximab, with a 95.6% reduction in certain lesions after 96 weeks. Who this helps: This benefits patients with highly active relapsing multiple sclerosis.

PubMed

Choroid plexus organoids mimic amyloid uptake at the blood-cerebrospinal fluid-barrier.

2026

Frontiers in cellular neuroscience

Municio C, Sapidou K, Apsley EJ, Fernandez-Otero M, Arber CE +3 more

Plain English
This study focused on the choroid plexus (ChP), a critical part of the brain that produces cerebrospinal fluid and helps control what passes between the blood and the brain. Researchers created mini versions of the ChP, called organoids, using human stem cells to better understand how they interact with beta-amyloid, a substance linked to Alzheimer’s disease. They found that these organoids can mimic how the blood-cerebrospinal fluid barrier behaves, which is important for understanding how brain barriers might fail in Alzheimer’s, potentially leading to disease progression. Who this helps: This research helps patients with Alzheimer's disease and the doctors treating them.

PubMed

Alzheimer's disease pathology degrades an NMDA receptor-dependent spontaneous activity pattern in cortico-hippocampal circuits.

2026

Neuron

Ellingford R, Harris SS, Kehring M, Rajani RM, Lam FKW +17 more

Plain English
This study examined how changes in the brain caused by Alzheimer's disease affect memory-related brain circuits. The researchers found that, in mice with Alzheimer's pathology, two important functions of brain cells were impaired, leading to a decrease in activity in key parts of the brain: there was a 40% reduction in certain neuron activities and synaptic receptors. Importantly, restoring these receptors improved memory, showing that targeting these changes could help treat Alzheimer's symptoms. Who this helps: This helps patients with Alzheimer's disease and may guide doctors in developing better treatments.

PubMed

Unbiased data-driven analysis of five amyloid-beta peptides for biomarker investigations in familial Alzheimer's disease.

2026

Brain communications

Llorente-Saguer I, Gabriele R, Bradshaw TY, Leckey CA, Belder CRS +6 more

Plain English
This study explored five different types of amyloid-beta (Aβ) peptides to see how they relate to Alzheimer's disease, particularly in people with a genetic mutation linked to the condition. The researchers found that two specific peptides, Aβ42 and Aβ43, are more strongly associated with the progression of Alzheimer’s than shorter peptides, and their new model for measuring these peptides outperformed existing methods in identifying the disease and predicting when it might start. This is important because it could lead to better tests for diagnosing Alzheimer's and tracking its onset, which could improve patient care. Who this helps: This research benefits patients with Alzheimer's and their doctors by providing better tools for diagnosis and understanding the disease.

PubMed

CSF protein clearance impairment revealed using stable isotope kinetics in normal pressure hydrocephalus.

2026

Brain communications

Leckey CA, Giovannucci TA, Murphy EC, Moncur EM, Tariq K +17 more

Plain English
This study looked at how well proteins clear out of cerebrospinal fluid (CSF) in people with normal pressure hydrocephalus (NPH), a condition that affects many older adults and causes issues with walking and thinking. Researchers found that the protein transthyretin clears about ten times slower in NPH patients compared to healthy individuals, indicating a problem with fluid clearance in the brain. Understanding these clearance rates is important because it could help with diagnosing NPH and monitoring treatment responses more effectively. Who this helps: This research benefits patients with normal pressure hydrocephalus and their doctors by providing insight into the disease and its treatment.

PubMed

Biomimetic bilayer scaffold from Bombyx mori silk materials for small diameter vascular applications in tissue engineering.

2025

Journal of biomedical materials research. Part A

Gaviria Castrillon AM, Wray S, Rodríguez A, Fajardo SD, Machain VA +5 more

Plain English
Researchers created a bio-friendly scaffold made from silk to help improve small blood vessel replacements in medical treatments. They developed a two-layer structure where the inner layer closely mimics the natural properties of blood vessels, showing strong support and good compatibility with cells. This new scaffold is crucial because it combines sustainability with effectiveness, paving the way for better options in vascular surgery. Who this helps: This benefits patients needing small blood vessel surgeries and doctors involved in tissue engineering.

PubMed

Mild Gestational Hypothyroidism in Mice Has Transient Developmental Effects and Long-Term Consequences on Neuroendocrine Systems.

2025

Thyroid : official journal of the American Thyroid Association

Quignon C, Backer A, Kearney J, Bow H, Wray S

Plain English
Researchers studied the effects of mild thyroid hormone deficiency in pregnant mice and found that it led to smaller litter sizes and fewer GnRH neurons in the embryos. Although the adult offspring showed normal growth and reproductive cycles, they had more cells linked to estrogen signaling, suggesting long-term changes in hormonal regulation. This is important because it helps us understand how even mild thyroid issues during pregnancy can impact brain development and hormonal functions in offspring later in life. Who this helps: This helps expectant mothers and healthcare providers understand the importance of thyroid health during pregnancy.

PubMed

Somatic and Stem Cell Bank to Study the Contribution of African Ancestry to Dementia: African iPSC Initiative.

2025

medRxiv : the preprint server for health sciences

Maina MB, Isah MB, Marsh JA, Muhammad Z, Babazau L +12 more

Plain English
The study created a bank of stem cells from people of African descent to better understand dementia and other brain diseases. Researchers developed 10 new stem cell lines from skin cells of different Nigerian ethnic groups and looked for genetic information linked to conditions like Alzheimer's and Parkinson's diseases. This effort is important because it helps fill the gap in studies on how African genetics affect these diseases, which can lead to new treatments. Who this helps: This benefits patients and researchers focusing on neurodegenerative diseases in African populations.

PubMed

Assessment of the hypoglycemic effect of(L.) H. Rob. and its dual impact on uterine contraction in gestational diabetic rats.

2025

Current research in physiology

Kerdsuknirund S, Kosinan A, Khunkaewla P, Kupittayanant P, Tongdee P +3 more

Plain English
This study looked at the effects of a plant extract (L. H. Rob.) on pregnant rats with gestational diabetes. The researchers found that this extract significantly lowered blood sugar levels and improved certain health markers compared to the diabetic rats—reducing fat levels and increasing both the mothers' and babies' weights. These results suggest that this plant extract could be a useful addition to current treatments for managing gestational diabetes, improving outcomes for both mothers and their babies. Who this helps: This helps pregnant women with gestational diabetes and their healthcare providers.

PubMed

Somatic and Stem Cell Bank to study the contribution of African ancestry to dementia: African iPSC Initiative.

2025

Alzheimer's & dementia : the journal of the Alzheimer's Association

Maina MB, Isah MB, Marsh JA, Muhammad Z, Babazau L +12 more

Plain English
This study created a new bank of stem cells from people in Nigeria to help researchers better understand dementia and other brain diseases. They developed 10 unique stem cell lines that represent different Nigerian ethnic groups and examined them for factors related to Alzheimer’s and other dementia risks. This work is important because it helps ensure African genetic diversity is included in research, leading to better treatments for neurodegenerative diseases. Who this helps: This benefits researchers and patients, particularly those with African ancestry.

PubMed

B. Bronchiseptica empyema necessitans, a case report.

2025

BMC pulmonary medicine

Wray S, Tabliago NRA, Lueking R

Plain English
This study looked at a rare condition called empyema necessitans, which occurs when pus from the chest cavity spreads into the chest wall, and it reported the first case caused by the bacteria Bordetella bronchiseptica. A 60-year-old woman, who trains dogs, had this condition and, after various treatments including antibiotics, she needed surgery to address the infection. This finding is important because it shows that Bordetella bronchiseptica can affect humans and highlights a potential risk for people who are frequently in contact with animals. Who this helps: Patients, especially those with close animal exposure.

PubMed

Brain-Specific Gata4 Downregulation in Greywick Female Mice Models the Metabolic Subtype of Polycystic Ovary Syndrome.

2025

FASEB journal : official publication of the Federation of American Societies for Experimental Biology

Nawaito SA, Esmael M, Souchkova O, Cardinal T, Bernas G +12 more

Plain English
This study focused on understanding polycystic ovary syndrome (PCOS) using female mice that mimic some features of the disorder. The researchers found that the Gata4 gene, which is important for fertility and appetite regulation, is not functioning properly in these mice, which might help explain why many women with PCOS have reproductive and metabolic issues. This is significant because it provides new insights into the causes of PCOS and highlights the role of GATA4 in the brain's control of reproduction. Who this helps: This helps patients with PCOS and their doctors.

PubMed

Mutations in PSEN1 predispose inflammation in an astrocyte model of familial Alzheimer's disease through disrupted regulated intramembrane proteolysis.

2025

Molecular neurodegeneration

Ziff OJ, Parfitt GM, Jolly S, Casey JM, Granat L +14 more

Plain English
This research study investigated how mutations in the PSEN1 gene, which cause a form of Alzheimer's disease, affect inflammation in brain cells called astrocytes. The researchers found that astrocytes with PSEN1 mutations displayed heightened inflammatory responses and disrupted cell signaling, meaning they reacted differently to inflammatory signals. Specifically, these mutated cells had an increased inflammatory profile and showed issues with key signaling pathways involved in inflammation, suggesting that these mutations contribute to the progression of Alzheimer's disease by influencing how the brain responds to inflammation. Who this helps: This helps patients with familial Alzheimer's disease and their families by providing insights into disease mechanisms.

PubMed

Five-Year Safety and Efficacy Outcomes with Ofatumumab in Patients with Relapsing Multiple Sclerosis.

2025

Neurology and therapy

Hauser SL, Cohen JA, de Sèze J, Meuth SG, Giacomini PS +13 more

Plain English
This study looked at the safety and effectiveness of a drug called ofatumumab for patients with relapsing multiple sclerosis over five years. Researchers found that over 80% of patients didn’t show a worsening of their disability, and nearly 90% of participants were free from disease activity in the last year of the study. The drug had a similar safety profile to another treatment, with low rates of serious side effects. Who this helps: This benefits patients with relapsing multiple sclerosis by providing an effective treatment option with a good safety record.

PubMed

IGSF10 is a RET antagonist regulating Ewing sarcoma growth and GnRH neuron migration.

2025

Cell reports

Jayabal P, Ma X, Akram M, Bow H, Mandal P +6 more

Plain English
This study examined the role of a protein called IGSF10 in regulating a receptor called RET, which is important for both Ewing sarcoma (a type of cancer) and the movement of certain brain cells related to puberty. The researchers found that IGSF10 helps prevent the growth of Ewing sarcoma by blocking the activity of RET, and that mutations in IGSF10 can lead to issues with puberty by disrupting the movement of specific neurons. Understanding how IGSF10 works could help develop new treatments for Ewing sarcoma and address puberty-related conditions. Who this helps: This helps patients with Ewing sarcoma and those experiencing delayed puberty.

PubMed

Reconstructing Alzheimer's disease one cell type at a time using in vitro tricultures.

2025

Trends in neurosciences

Giovannucci TA, Arber C, Wray S

Plain English
In this study, researchers created a model using human brain cells to better understand the early stages of familial Alzheimer's disease. They focused on how different brain cells interact and contribute to the disease. Their findings provide new insights that could lead to targeted treatments or biomarkers for Alzheimer’s. Who this helps: This benefits patients with Alzheimer's and their families, as well as doctors seeking better diagnostic tools and therapies.

PubMed

Mechanobiology of the blood-brain barrier during development, disease and ageing.

2025

Nature communications

Konig S, Jayarajan V, Wray S, Kamm R, Moeendarbary E

Plain English
This study looked at how physical forces and tissue changes affect the blood-brain barrier (BBB), which protects the brain from harmful substances. It found that changes in blood flow and tissue stiffness can break down the BBB, leading to issues in brain health, especially as people age or face neurological diseases. Understanding these effects better can lead to new treatment strategies to fix the BBB and improve brain health. Who this helps: This helps patients with neurological disorders and doctors seeking better treatments.

PubMed

Breaking down prefixed words is unaffected by morphological boundary opacity: Evidence from behavioral and MEG experiments.

2025

Psychonomic bulletin & review

Cayado DKT, Wray S, Lai MC, Chong AJ, Stockall L

Plain English
This study looked at how people recognize and understand complex words that contain prefixes, especially when the division between the prefix and the rest of the word is not clear. Researchers tested this using the Tagalog language and found that even when changes made it harder to identify the prefix, people still successfully broke down words into their parts. For example, they found that even when prefixes were less visible due to changes in sound, participants could still recognize the meanings of the morphemes, indicating that our brains are quite adaptable in processing language. Who this helps: This research benefits language learners, linguists, and therapists working with individuals who have language processing challenges.

PubMed

Nongenomic Stimulatory Effect of T3 on Calcium Dynamics in GnRH Neurons via Integrin αVβ3.

2025

Endocrinology

Quignon C, Mansano N, Backer A, Wray S

Plain English
This study looked at how a thyroid hormone called T3 affects certain brain cells, known as GnRH neurons, that play a crucial role in controlling reproduction. The researchers found that T3 causes these neurons to increase their calcium activity quickly and continuously, but another thyroid hormone, T4, did not produce this effect. This discovery is important because it sheds light on how thyroid problems could lead to reproductive issues, which could help develop better treatments for those affected. Who this helps: Patients experiencing reproductive issues linked to thyroid dysfunction.

PubMed

Mutant MAPT Induces rDNA Transcriptional Hyperactivation and Nucleolar Stress in Cellular Models.

2025

Research square

Muhammad Z, Gu Y, Kwairanga SH, Bailey LJ, Khan A +7 more

Plain English
This study looked at the role of a mutated protein called tau in nerve cells, particularly how it affects a part of the cell known as the nucleolus, which is important for making ribosomes. Researchers found that when specific mutations of tau were introduced, it caused the nucleolus to become overactive and stressed, leading to changes in cell structure and increased cell death. This is important because it helps explain how tau mutations may contribute to diseases like frontotemporal dementia. Who this helps: This research benefits patients with tau-related neurodegenerative diseases and their doctors by providing insights into the mechanisms of disease progression.

PubMed

GPNMB is a biomarker for lysosomal dysfunction and is secreted via LRRK2-modulated lysosomal exocytosis.

2025

Science advances

Bogacki EC, Parfitt GM, Cunha A, Longmore G, Wray S +2 more

Plain English
This study investigated how a protein called GPNMB is released from brain cells and its connection to Parkinson’s disease. Researchers found that when brain cells experience stress, they release more GPNMB, and the presence of a specific gene related to Parkinson’s (LRRK2) increases this secretion. Understanding GPNMB's role could help in developing tests for early detection of Parkinson's disease, potentially leading to better treatments. Who this helps: Patients at risk for Parkinson's disease.

PubMed

Stable isotope labelling kinetics of neurofilament light.

2025

Brain communications

Leckey CA, Giovannucci TA, Coulton JB, He Y, Sato C +10 more

Plain English
This study focused on understanding how neurofilament light chain (NfL), a protein linked to brain diseases, behaves in the human central nervous system (CNS). Researchers found that NfL takes a long time to be released into the brain and spinal fluid, with peaks occurring between 53 and 162 days after being labeled for tracking. This is important because it means that spikes in NfL levels in tests may not reflect immediate brain changes, so clinical trials using NfL as a measure of treatment effects will need longer follow-up times to get accurate results. Who this helps: This research benefits patients with neurological diseases and doctors who treat them.

PubMed

Phosphoproteomic dysregulation drives tumor proliferation in Cushing's disease.

2025

bioRxiv : the preprint server for biology

Asuzu DT, Mullaney D, Mandal D, Nwokoye D, Varghese S +15 more

Plain English
This study looked at a type of brain tumor called pituitary adenomas, particularly in patients with Cushing's disease. Researchers found that these tumors have abnormal activity in proteins that normally regulate cell growth, which is linked to a specific protein that promotes tumor formation. They discovered that by using a certain approved drug, they could potentially reverse this abnormal growth in the lab and in living animals. Who this helps: This research helps patients with Cushing's disease and their doctors by identifying new treatment possibilities.

PubMed

A hydrogen sulphide-releasing non-steroidal anti-inflammatory, ATB-346, significantly attenuates human myometrial contractions.

2025

Pharmacological reports : PR

Mijušković A, Wray S, Arrowsmith S

Plain English
This study looked at a new drug called ATB-346, which is designed to reduce contractions in the uterus during premature labor. Researchers found that ATB-346 was significantly better at decreasing contractions than its parent drug naproxen or another compound, showing a stronger effect than a known hydrogen sulphide donor. This is important because it could lead to better treatment options for preventing premature birth, which is a major cause of complications for newborns. Who this helps: This helps pregnant women at risk of preterm labor and their healthcare providers.

PubMed

IUPS: Physiology on a Global Scale.

2024

Physiology (Bethesda, Md.)

Wray S

PubMed

Investigating the role of CFTR in human and mouse myometrium.

2024

Current research in physiology

Prendergast C, Wray S, Dungate D, Martin C, Vaida A +3 more

Plain English
This study looked at how a protein called CFTR affects the muscle of the uterus, specifically in pregnant women and mice. The researchers found that blocking CFTR reduced the ability of these muscles to contract, with a reduction of about 45% in pregnant mice and around 9% in human samples after treatment. Understanding CFTR's role is important because it could impact how we approach labor and delivery for women with cystic fibrosis. Who this helps: This helps patients with cystic fibrosis and their healthcare providers.

PubMed

Vasoactive intestinal peptide excites GnRH neurons via KCa3.1, a potential player in the slow afterhyperpolarization current.

2024

Frontiers in cellular neuroscience

Constantin S, Quignon C, Pizano K, Shostak DM, Wray S

Plain English
This research studied how a substance called vasoactive intestinal peptide (VIP) affects neurons that play a key role in reproduction, known as GnRH neurons. The study found that VIP activates these neurons through a specific receptor and identified a particular channel (KCa3.1) that could be crucial for controlling their activity. This is important because understanding how these neurons work could lead to new treatments for fertility issues. Who this helps: This helps patients dealing with fertility challenges.

PubMed

Extracellular acidification increases uterine contraction in pregnant mouse by increasing intracellular calcium.

2024

Acta physiologica (Oxford, England)

Almohanna AM, Noble K, Wray S

Plain English
This study looked at how changes in acidity affect muscle contractions in the uterus of pregnant mice. It found that when the acidity in the surrounding fluid dropped, the uterus contracted more frequently and forcefully in pregnant mice, but not in nonpregnant ones. Specifically, contractions increased significantly with a drop in pH from 7.4 to 6.9 in pregnant tissue. This research is important because understanding how acidity influences uterine contractions could help improve the management of labor and delivery conditions. Who this helps: This helps pregnant patients and healthcare providers managing labor.

PubMed

CSF neurofilament light chain profiling and quantitation in neurological diseases.

2024

Brain communications

Leckey CA, Coulton JB, Giovannucci TA, He Y, Aslanyan A +16 more

Plain English
This study focused on a specific protein, called neurofilament light chain, that is a marker for brain cell damage in various neurological conditions. Researchers developed a new and reliable method to measure this protein in spinal fluid, finding that their technique closely matched existing methods and was easy to implement in labs. This is important because it provides a more effective way to diagnose and track neurological diseases, helping improve patient care. Who this helps: This helps patients with neurological diseases and the doctors treating them.

PubMed

Safety and clinical effectiveness of peginterferon beta-1a for relapsing multiple sclerosis in a real-world setting: Final results from the Plegridy Observational Program.

2024

Multiple sclerosis journal - experimental, translational and clinical

Salvetti M, Wray S, Nelles G, Belviso N, Kumar A +4 more

Plain English
This study looked at how well the drug peginterferon beta-1a works and how safe it is for people with relapsing multiple sclerosis over five years. It found that 77.1% of patients remained relapse-free, and new users were more likely to face side effects and stop treatment compared to those who had used it before (79.4% vs. 57.0%). These insights are important because they can help improve treatment plans and support for new patients starting this medication. Who this helps: This helps patients with relapsing multiple sclerosis and their doctors.

PubMed

The presenilin 1 mutation P436S causes familial Alzheimer's disease with elevated Aβ43 and atypical clinical manifestations.

2024

Alzheimer's & dementia : the journal of the Alzheimer's Association

Arber C, Belder CRS, Tomczuk F, Gabriele R, Buhidma Y +7 more

Plain English
This study investigated a specific genetic mutation called P436S in the PSEN1 gene, which causes familial Alzheimer's disease (fAD) in a family of eight individuals. The researchers found that symptoms typically started at an average age of 46, which is unusually early, and these patients showed high levels of a protein linked to Alzheimer's disease called amyloid beta 43. Understanding how this mutation works helps clarify why some people develop Alzheimer's earlier and with different symptoms. Who this helps: This research benefits patients and their families affected by familial Alzheimer's disease by providing insights into the condition.

PubMed

The annotation ofhas been concealed by its protein-coding pseudogene.

2024

Science advances

Gustavsson EK, Sethi S, Gao Y, Brenton JW, García-Ruiz S +30 more

Plain English
This research focused on two genes related to Gaucher disease and Parkinson's disease. The study found that more than half of the RNA signals detected in these genes were confusingly similar to those from a related gene, but by using advanced sequencing techniques, researchers showed that these genes produce important proteins in the brain that do not relate to their usual function. This discovery changes our understanding of how these genes might affect health and disease. Who this helps: This helps patients with Gaucher disease and Parkinson's disease, as well as doctors studying these conditions.

PubMed

Lymphopenia is Not the Primary Therapeutic Mechanism of Diroximel Fumarate in Relapsing-Remitting Multiple Sclerosis: Subgroup Analyses of the EVOLVE-MS-1 Study.

2024

Neurology and therapy

Singer BA, Wray S, Gudesblatt M, Bumstead B, Ziemssen T +8 more

Plain English
This study looked at how a drug called diroximel fumarate (DRF) affects patients with relapsing-remitting multiple sclerosis (MS) and whether low lymphocyte levels (a type of white blood cell) play a significant role in its effectiveness. Researchers found that, after 96 weeks, the rate of new disease relapses was similar in patients with low lymphocyte counts (0.12) and those without (0.14), indicating that the drug works well regardless of lymphocyte levels. This is important because it shows that the effectiveness of DRF is not mainly due to causing lower lymphocyte counts, helping doctors understand how the treatment works better. Who this helps: Patients with relapsing-remitting MS.

PubMed

Therapeutic Potential of Thunbergia laurifolia L. Extract in Gestational Diabetes Mellitus: Insights from a Rat Model.

2024

Chinese journal of integrative medicine

Kerdsuknirund S, Kosinan A, Khunkaewla P, Kupittayanant P, Oonsivilai R +4 more

Plain English
This study examined the effects of Thunbergia laurifolia L. extract (TLE) on gestational diabetes in pregnant rats. The results showed that TLE significantly lowered blood sugar levels and increased insulin production, similar to the effects of metformin, a common diabetes medication. Additionally, it improved liver health and increased the size and number of healthy fetuses while reducing complications related to pregnancy loss. Who this helps: This research benefits pregnant women with gestational diabetes.

PubMed

Selective suppression of oligodendrocyte-derived amyloid beta rescues neuronal dysfunction in Alzheimer's disease.

2024

PLoS biology

Rajani RM, Ellingford R, Hellmuth M, Harris SS, Taso OS +14 more

Plain English
This study examined the role of a brain cell type called oligodendrocytes in producing a protein called amyloid beta, which is linked to Alzheimer's disease. Researchers found that by reducing amyloid beta production from oligodendrocytes in a mouse model of Alzheimer's, they could improve brain health and restore normal brain cell activity. This matters because it reveals a new target for treating Alzheimer's, potentially leading to better therapies. Who this helps: This helps Alzheimer's patients and those involved in their care.

PubMed

Generation of an induced pluripotent stem cell line (BIORTCi001-A) from a healthy adult indigenous Nigerian participant.

2024

Stem cell research

Muhammad Z, Brown PW, Babazau L, Alkhamis AI, Goni BW +7 more

Plain English
Researchers created a new type of stem cell from skin cells taken from a healthy 60-year-old Nigerian man. This new stem cell line, called BIORTCi001-A, was tested and shown to be capable of developing into different types of cells, specifically nerve-related cells. This is important because it increases the representation of African genetic backgrounds in medical research, which can improve drug responses and health outcomes for diverse populations. Who this helps: This benefits patients and researchers, particularly those working with African populations.

PubMed

An update on pacemaking in the myometrium.

2024

The Journal of physiology

Wray S, Taggart MJ

Plain English
Researchers studied how the uterus contracts during pregnancy, focusing on the electrical signals that trigger these contractions in its muscle layer. They found that instead of a single fixed point that controls these contractions, there are mobile sites in the uterus that help synchronize the muscle activity. This is important because a better understanding of these mechanisms can lead to improved treatments for common pregnancy issues like preterm labor. Who this helps: This helps patients experiencing pregnancy complications and the doctors caring for them.

PubMed

Improvements in no evidence of disease activity with ublituximab vs. teriflunomide in the ULTIMATE phase 3 studies in relapsing multiple sclerosis.

2024

Frontiers in neurology

Alvarez E, Steinman L, Fox EJ, Hartung HP, Qian P +9 more

Plain English
This research compared two treatments for relapsing multiple sclerosis: ublituximab and teriflunomide. After 96 weeks, 44.6% of patients taking ublituximab showed no signs of disease activity, significantly better than the 12.4% for those on teriflunomide, which is a more than threefold improvement. This matters because it indicates that ublituximab may more effectively prevent disease progression and relapses in patients. Who this helps: Patients with relapsing multiple sclerosis.

PubMed

MEG evidence for left temporal and orbitofrontal involvement in breaking down inflected words and putting the pieces back together.

2024

Cortex; a journal devoted to the study of the nervous system and behavior

Cayado DKT, Wray S, Chacón DA, Lai MC, Matar S +1 more

Plain English
This study looked at how the brain understands complex words by breaking them down into smaller parts and then putting them back together, specifically focusing on inflected words in Tagalog. Researchers found that parts of the brain, like the left temporal lobe and orbitofrontal cortex, are key for reassembling these word pieces. They discovered that inflected words are processed more quickly in the later stages compared to derived words, which could change how we understand language processing in different languages. Who this helps: This helps researchers and language educators who work with diverse languages and complex word structures.

PubMed

Microglia contribute to the production of the amyloidogenic ABri peptide in familial British dementia.

2024

Acta neuropathologica

Arber C, Casey JM, Crawford S, Rambarack N, Yaman U +15 more

Plain English
This research studied how microglia, a type of brain cell, are involved in the production of a harmful peptide called ABri, which contributes to familial British dementia (FBD). They found that microglia produce this peptide at much higher levels—34 times more than neurons and 15 times more than astrocytes, another type of brain cell. This matters because it reveals that microglia may play a key role in the development of dementia-related brain damage and helps us understand similar processes in diseases like Alzheimer's. Who this helps: Patients with familial British dementia and other related dementias.

PubMed

Antibody-mediated degradation of 4R-tau restores mitochondrial membrane polarization in human induced pluripotent stem cell-derived neurons with the10+16 mutation.

2024

mAbs

Starkie DO, Arber C, Baker T, Lightwood DJ, Wray S

Plain English
This study looked at a protein called tau, which is important for brain health. Researchers found that too much of a specific type of tau (4R-tau) in nerve cells leads to problems with energy production in the cells. By using new tools to break down excess 4R-tau, they were able to improve energy production in these cells, showing a clear link between high levels of 4R-tau and cell dysfunction. Who this helps: This helps patients with neurodegenerative diseases like frontotemporal dementia.

PubMed

Updating the study protocol: Insight 46 - a longitudinal neuroscience sub-study of the MRC National Survey of Health and Development - phases 2 and 3.

2024

BMC neurology

Murray-Smith H, Barker S, Barkhof F, Barnes J, Brown TM +28 more

Plain English
The research focused on a study called Insight 46, which looks at how various factors throughout life affect the risk of dementia as people age. In its first phase, 502 participants were included, with 413 returning for further visits in the second phase, and the study is set to include an additional 250 participants and 500 newcomers in the ongoing third phase. This research is important because it aims to gather extensive data that can help improve our understanding of healthy aging and dementia, potentially leading to better support and prevention strategies. Who this helps: This helps patients, caregivers, and healthcare professionals by providing insights into aging and dementia risk factors.

PubMed

Effects of Heliotropium indicum L. on Uterine Involution and Its Underlying Mechanisms: an in vivo and in vitro Study.

2023

Chinese journal of integrative medicine

Ongsricharoenbhorn S, Kupittayanant P, Thumanu K, Eumkeb G, Chanlun S +3 more

Plain English
This study looked at how the plant Heliotropium indicum L. affects the shrinking process of the uterus after giving birth in rats. The researchers found that giving the plant extract to new mothers sped up this process, significantly reducing the weight and size of the uterus and lowering levels of a hormone called estradiol, all without causing liver damage. This is important because it suggests H. indicum L. could be used to help women recover faster after childbirth. Who this helps: This benefits postpartum patients looking for safer recovery options.

PubMed

Diroximel fumarate in patients with relapsing-remitting multiple sclerosis: Final safety and efficacy results from the phase 3 EVOLVE-MS-1 study.

2023

Multiple sclerosis (Houndmills, Basingstoke, England)

Singer BA, Arnold DL, Drulovic J, Freedman MS, Gold R +18 more

Plain English
This study looked at a medication called diroximel fumarate (DRF) for treating adults with relapsing-remitting multiple sclerosis (RRMS) over two years. Researchers found that 76% of the patients completed the trial, and although 89% experienced some side effects, most were mild or moderate, with only 8% stopping the treatment due to side effects. The treatment led to a significant 73% reduction in active lesions in the brain and a very low rate of relapses (0.13 relapses per year). Who this helps: This benefits patients with relapsing-remitting multiple sclerosis seeking effective treatment options.

PubMed

Postnatal Development and Maintenance of Functional Pituitary Gonadotrophs Is Dependent on PI4-Kinase A.

2023

Endocrinology

Constantin S, Sokanovic SJ, Mochimaru Y, Smiljanic K, Sivcev S +4 more

Plain English
This study looked at how a specific enzyme, PI4-kinase A, affects the development and function of certain hormone-producing cells in the pituitary gland, which are important for reproduction. Researchers found that mice lacking this enzyme were infertile and did not reach puberty because their reproductive organs were underdeveloped. Over time, these mice showed a significant decline in hormone-producing cells, with only one-third remaining compared to normal mice by three months of age, highlighting the enzyme's essential role in maintaining reproductive health after birth. Who this helps: This research benefits patients with fertility issues and provides insights for doctors treating reproductive health problems.

PubMed

Congratulations to Physiological Reports.

2023

Physiological reports

Wray S

PubMed

Inconsistent definitions of labour progress and over-medicalisation cause unnecessary harm during birth.

2023

BMJ (Clinical research ed.)

Maaløe N, Kujabi ML, Nathan NO, Skovdal M, Dmello BS +3 more

Plain English
This research looked at how confusing definitions of labor progress and the overuse of medical interventions during childbirth can harm women. The study found that unclear guidelines and not considering women's experiences lead to excessive diagnoses and treatments for prolonged labor. This matters because it can result in unnecessary medical procedures that may not improve outcomes for mothers and babies. Who this helps: This benefits expectant mothers and healthcare providers by encouraging better practices during childbirth.

PubMed

Frequent Co-Authors

Charles Arber Tatiana A Giovannucci Claire A Leckey Henrik Zetterberg Derrick Robertson Clarisse Quignon Zaid Muhammad Louise C Serpell Celeste M Karch Mahmoud B Maina

Physician data sourced from the NPPES NPI Registry . Publication data from PubMed . Plain-English summaries generated by AI. Not medical advice.