Dr. Arata studies how hormones and specific treatments can affect women's health, particularly related to fertility and conditions like PCOS. One significant aspect of his research involves evaluating hormone levels, like Anti-Mullerian hormone, in ovarian fluid to predict fertilization success in women undergoing in vitro fertilization (IVF) techniques. He also explores the effects of traditional herbal medicines, hormonal treatments, and potential new drugs on managing symptoms and complications associated with PCOS, breast cancer, and menopause. Additionally, his work includes investigating the interactions between hormones and appetite as they relate to weight management.
Key findings
In a study of 20 patients, lower Anti-Mullerian hormone (AMH) levels in ovarian fluid were linked to successful fertilization in intracytoplasmic sperm injection (ICSI) procedures.
Rats treated with Kamikihito for eight weeks showed a significant reduction in body fat and appetite, suggesting potential benefits for managing obesity in polycystic ovary syndrome (PCOS).
Progesterone treatment reduced food intake and body weight in ovariectomized female rats, indicating its potential use for weight management in post-menopausal women.
Frequently asked questions
Does Dr. Arata study fertility treatments?
Yes, Dr. Arata's research includes evaluating hormone levels in women undergoing fertility treatments to predict success rates.
What conditions are addressed by Dr. Arata's research?
His work addresses various conditions including polycystic ovary syndrome (PCOS), breast cancer, and issues related to post-menopause.
Has Dr. Arata researched weight management methods?
Yes, he has investigated hormonal treatments and their effects on appetite and body weight in both animal models and their potential application to women.
Is Dr. Arata's work relevant to patients with PCOS?
Absolutely, his studies focus on treatments and mechanisms relevant to managing symptoms of PCOS.
Publications in plain English
Girolline is a sequence context-selective modulator of eIF5A activity.
2025
Nature communications
Schneider-Poetsch T, Dang Y, Iwasaki W, Arata M, Shichino Y +7 more
Plain English This study looked at a compound called girolline found in the ocean and its effects on how proteins are made in cells. Researchers found that girolline disrupts the interaction between two important components, ribosomes and eIF5A, causing delays in protein production, especially when a specific amino acid called lysine is involved. Understanding how girolline works can help scientists learn more about protein production and quality control, which is important for developing new treatments.
Who this helps: This benefits researchers and potentially patients needing new therapies.
Porcine Placental Extract Improves the Lipid Profile and Body Weight in a Post-Menopausal Rat Model Without Affecting Reproductive Tissues.
2025
Nutrients
Purevdorj T, Arata M, Nii M, Yamamoto S, Noguchi H +8 more
Plain English This study looked at whether porcine placental extract (PPE) could help post-menopausal rats manage weight and fat levels without affecting their reproductive organs. The results showed that rats treated with PPE weighed less and had lower total cholesterol and triglycerides compared to those not treated with it. This is important because it suggests PPE could be a safer alternative to hormone treatments for managing weight and fat in post-menopausal women.
Who this helps: This helps post-menopausal women looking for safe ways to manage their weight and lipid levels.
Identification of substituted acetanilide compounds as small molecule CBX2 inhibitors via in silico screening.
2025
Biochemical and biophysical research communications
Takase S, Kumar A, Yokoyama S, Maemoto Y, Aoki K +9 more
Plain English This study focused on finding new small molecules that can inhibit a protein called CBX2, which is important in controlling gene activity and is associated with a type of aggressive breast cancer known as triple-negative breast cancer. The researchers discovered that a compound named CG3-46 effectively blocked the interaction between CBX2 and another protein linked to gene regulation, and it also hindered the growth of breast cancer cells in the lab. This discovery is significant because CG3-46 could lead to new treatments specifically targeting CBX2 to help fight triple-negative breast cancer.
Who this helps: This helps patients with triple-negative breast cancer.
Reduced locomotor activity in an ovarian-intact rat model of PCOS induced by mild exposure to dihydrotestosterone.
2025
The Journal of endocrinology
Noguchi H, Yamamoto Y, Arata M, Nakamura N, Yamanaka E +9 more
Plain English This study examined how the presence of ovaries affects symptoms of polycystic ovary syndrome (PCOS) in female rats exposed to a hormone called dihydrotestosterone (DHT), which mimics androgen excess. The results showed that rats with ovaries (the "intact" group) had increased body weight, food intake, and larger fat cells compared to the control group without PCOS. They also moved less and had higher body temperatures at certain times compared to controls. However, the group of rats without ovaries did not show these differences, suggesting that ovaries play a crucial role in how androgen affects PCOS symptoms.
Who this helps: This research benefits patients with PCOS and their healthcare providers by enhancing understanding of the condition's mechanisms.
Late Career: Fostering Physician Well-being Over the Career Life Cycle.
2025
Mayo Clinic proceedings
Frey K, Arata M, Shanafelt T
Plain English This study looked at the challenges and opportunities faced by doctors who are nearing the end of their careers. It found that these late-career physicians, who have a lot of experience, should celebrate their achievements, plan for their future roles, and focus on mentoring younger colleagues. This approach can lead to a more fulfilling transition into retirement by prioritizing not just finances, but also personal relationships and emotional well-being.
Who this helps: This helps late-career physicians.
Kamikihito contributes to visceral fat reduction and appetite suppression in PCOS model rats by increasing OTR and leptin expression in visceral fat.
2025
The journal of medical investigation : JMI
Yamamoto S, Arakaki R, Arata M, Tamura K, Aoki H +15 more
Plain English This study looked at how a traditional Japanese herbal medicine called Kamikihito (KKT) affects weight and appetite in overweight female rats with polycystic ovary syndrome (PCOS). After eight weeks of treatment, rats given KKT ate less food and showed a reduction in body fat and ovarian weight, along with increased levels of important hormones related to fat regulation. This is important because it suggests that KKT could help manage symptoms of PCOS, including obesity and related health issues.
Who this helps: Patients with polycystic ovary syndrome (PCOS).
AMH Concentration and Gene Expression Level in Each Follicle and Their Relationship With Fertilization and Blastocyst Formation in Intracytoplasmic Sperm Injection.
2025
Reproductive medicine and biology
Takeda A, Yamamoto Y, Yamamoto S, Arata M, Eguchi H +10 more
Plain English This study looked at the levels of a hormone called Anti-Mullerian hormone (AMH) found in fluid around ovarian follicles and how these levels relate to the success of fertilization and embryo development in women undergoing a specific fertility treatment called intracytoplasmic sperm injection (ICSI). Researchers analyzed samples from 20 patients and found that lower AMH levels in the fluid were linked to fertilized eggs, while the gene expression in the surrounding cells did not show a relationship with successful fertilization or embryo growth. These findings indicate that monitoring AMH levels in follicular fluid could help predict which eggs are more likely to be successfully fertilized.
Who this helps: This helps patients undergoing fertility treatments.
Progesterone treatment reduces food intake and body weight in ovariectomized female rats.
2024
Steroids
Uchishiba M, Yamamoto S, Takeda A, Arakaki R, Arata M +17 more
Plain English This study looked at how progesterone treatment affects food intake and weight in female rats that had their ovaries removed, simulating post-menopausal conditions. The results showed that both progesterone and estrogen treatments led to lower body weight, reduced food intake, and less fat compared to rats that did not receive hormone treatment. Specifically, the treated rats ate less and lost weight, indicating that progesterone could help manage weight and appetite after menopause, in a different way than estrogen does.
Who this helps: This benefits post-menopausal women looking for effective weight management options.
The interplay between Wnt signaling pathways and microtubule dynamics.
2024
In vitro cellular & developmental biology. Animal
Kikuchi K, Arata M
Plain English This research focused on how Wnt signaling pathways affect microtubules, which are structures that help cells maintain their shape and transport materials. Researchers found that Wnt signaling is closely linked to how stable and organized these microtubules are, which is essential for various cell functions. Understanding this relationship is important because it sheds light on how cells develop and respond to their environment.
Who this helps: This benefits researchers and doctors working on developmental biology and cancer treatment.
Stress responses to bacterial and viral mimetics in polycystic ovary syndrome model rats.
2024
Brain, behavior, & immunity - health
Kamada S, Noguchi H, Yamamoto S, Tamura K, Aoki H +16 more
Plain English This study looked at how rats with polycystic ovary syndrome (PCOS) respond to stress from bacterial and viral infections. The researchers found that the PCOS rats had stronger reactions to a bacterial mimetic, showing increased fever and a lack of appetite, while their reactions to a viral mimetic were different, resulting in decreased activity. This matters because it highlights that PCOS may affect how the body responds to infections, which could be important for treatment strategies.
Who this helps: This helps patients with PCOS and their healthcare providers.
The Effects of Testosterone on Hypothalamic and Serum Oxytocin Levels Are Affected by the Estrogen Milieu in Female Rats.
2024
Nutrients
Arata M, Tamura K, Aoki H, Noguchi H, Takeda A +7 more
Plain English This study looked at how testosterone affects levels of oxytocin, a hormone that reduces appetite, in female rats who either had estrogen or didn't. The researchers found that testosterone increased oxytocin levels and reduced appetite and weight gain in rats without estrogen but had no impact on those with estrogen. This matters because it suggests that low estrogen levels might allow testosterone to help control appetite and weight.
Who this helps: This research benefits doctors and scientists studying weight management and hormonal interactions in women.
Caesarean sections, indications and outcomes: a cross-sectional study using the Robson classification in a tertiary hospital in Sierra Leone.
2024
BMJ open
Arata M, Boyle S, Sgorbissa B, Tognon F, John-Cole V +7 more
Plain English This study looked at caesarean section (CS) rates and their causes at the Princess Christian Maternity Hospital in Sierra Leone, using a specific classification system called Robson's Ten Groups. Out of nearly 2,000 women who gave birth, almost 1,000 (49.6%) had a CS, with most of these procedures performed on women who were considered low-risk. The findings revealed a high CS rate especially where complications like difficulty during labor were common, suggesting there may be room for improvement in managing these situations.
Who this helps: This helps patients and healthcare providers understand the trends and challenges associated with caesarean deliveries in resource-limited settings.
A specific G9a inhibitor unveils BGLT3 lncRNA as a universal mediator of chemically induced fetal globin gene expression.
2023
Nature communications
Takase S, Hiroyama T, Shirai F, Maemoto Y, Nakata A +22 more
Plain English This research focused on a new drug called RK-701 that can increase the production of fetal hemoglobin, which is beneficial for treating sickle cell disease. The study found that RK-701 boosts the levels of a specific molecule called BGLT3, which is crucial for increasing fetal hemoglobin levels in both human cells and mice. The findings are significant because they show that targeting BGLT3 could improve therapies for sickle cell disease by making treatments more effective.
Who this helps: Patients with sickle cell disease.
Epstein-Barr Virus BBLF1 Mediates Secretory Vesicle Transport to Facilitate Mature Virion Release.
2023
Journal of virology
Uddin MK, Watanabe T, Arata M, Sato Y, Kimura H +1 more
Plain English This study focused on the Epstein-Barr Virus (EBV), which is known to cause certain cancers. Researchers found that a specific protein called BBLF1 is crucial for the virus to leave cells and spread; when they disrupted this protein, the virus couldn't release effectively, leading to a buildup of infectious particles inside cells. They discovered that changes in the structure of BBLF1 could either help or hinder this release, showing how important this protein is in the virus's life cycle.
Who this helps: This helps patients at risk of EBV-related cancers and the doctors treating them.
Lipoxin AReceptor Stimulation Attenuates Neuroinflammation in a Mouse Model of Intracerebral Hemorrhage.
2022
Brain sciences
Futokoro R, Hijioka M, Arata M, Kitamura Y
Plain English This study looked at how a compound called lipoxin A (LXA) can reduce brain inflammation caused by bleeding in the brain (intracerebral hemorrhage). Researchers found that a drug that activates the LXA receptor helped improve motor skills and decreased inflammatory molecules in mice with this condition. Specifically, giving this drug daily improved coordination problems without changing the number of certain inflammatory cells in the brain.
Who this helps: Patients recovering from brain hemorrhages.
Discovery of Benzylpiperazine Derivatives as CNS-Penetrant and Selective Histone Deacetylase 6 Inhibitors.
2022
ACS medicinal chemistry letters
Hashimoto K, Ide S, Arata M, Nakata A, Ito A +8 more
Plain English Researchers studied new compounds called benzylpiperazine derivatives to create effective treatments for brain diseases by targeting an enzyme called HDAC6. They found that one compound, named KH-259, showed promising results at a dose of 10 mg/kg, demonstrating antidepressant effects and increasing a specific protein in the brain while avoiding side effects linked to other proteins. This is significant because it offers a new way to develop drugs that can reach the brain and potentially treat neurodegenerative conditions.
Who this helps: This helps patients with neurodegenerative diseases and mental health disorders.
Comprehensive Analyses of Intraviral Epstein-Barr Virus Protein-Protein Interactions Hint Central Role of BLRF2 in the Tegument Network.
2022
Journal of virology
Hara Y, Watanabe T, Yoshida M, Masud HMAA, Kato H +10 more
Plain English This study looked at how proteins from the Epstein-Barr virus (EBV) interact with each other inside living cells. Researchers discovered 195 interactions, finding that a specific protein called BLRF2 is key to how the virus operates. When BLRF2 was removed, the virus produced significantly fewer infectious particles, showing that understanding how BLRF2 works could lead to better treatments for diseases caused by EBV, like certain cancers.
Who this helps: This helps patients affected by EBV and their doctors.
Coordination of Cilia Movements in Multi-Ciliated Cells.
2022
Journal of developmental biology
Arata M, Usami FM, Fujimori T
Plain English This study looked at how tiny hair-like structures called cilia on certain cells work together to move fluids in organs like the fallopian tubes, trachea, and brain. The researchers found that cilia beat in a synchronized way, which is essential for moving things like eggs and mucus effectively. Understanding how this coordination happens can lead to better treatments for conditions related to cilia dysfunction.
Who this helps: Patients with respiratory or reproductive issues caused by cilia-related problems.
Intercellular and intracellular cilia orientation is coordinated by CELSR1 and CAMSAP3 in oviduct multi-ciliated cells.
2021
Journal of cell science
Usami FM, Arata M, Shi D, Oka S, Higuchi Y +3 more
Plain English This study looked at how certain proteins help organize the direction of tiny hair-like structures called cilia in cells found in the mouse oviduct. Researchers found that one protein, CELSR1, helps coordinate cilia between different cells, while another protein, CAMSAP3, is important for organizing cilia within individual cells. When CAMSAP3 was not functioning properly, the cilia couldn't align correctly, which is essential for these cells to work effectively.
Who this helps: This research benefits scientists and medical researchers studying reproductive health and cilia-related disorders.
A STING inhibitor suppresses EBV-induced B cell transformation and lymphomagenesis.
2021
Cancer science
Miyagi S, Watanabe T, Hara Y, Arata M, Uddin MK +11 more
Plain English This study looked at how a drug called C-176, which inhibits a protein called STING, affects a serious disease related to the Epstein-Barr virus (EBV) that can lead to cancer. The researchers found that C-176 not only stopped the virus from transforming certain immune cells in lab tests but also reduced tumor growth and helped mice live longer when treated with it. This is important because it highlights a potential new way to treat EBV-related cancers, which can be very dangerous.
Who this helps: This benefits patients at risk for EBV-related lymphomas and their doctors looking for new treatment options.
Tanei T, Pradipta AR, Morimoto K, Fujii M, Arata M +8 more
Plain English This study looked at a new way to quickly identify cancerous cells during breast cancer surgery using a special probe that detects acrolein, a substance produced by stressed cancer cells. The researchers found that this method accurately differentiates cancer from healthy or non-cancerous tissue in real live breast samples. This approach is important because it can help improve surgical outcomes by ensuring clean margins, potentially reducing the risk of cancer recurrence.
Who this helps: Patients undergoing breast cancer surgery.
Human intracerebroventricular (ICV) injection of autologous, non-engineered, adipose-derived stromal vascular fraction (ADSVF) for neurodegenerative disorders: results of a 3-year phase 1 study of 113 injections in 31 patients.
2019
Molecular biology reports
Duma C, Kopyov O, Kopyov A, Berman M, Lander E +18 more
Plain English This study looked at the safety of injecting a specific type of fat-derived cells into the brains of patients with serious neurodegenerative disorders, such as Alzheimer's and Parkinson's disease. Over three years, 31 patients received a total of 113 injections, with the results showing that most patients experienced stability or improvement in their conditions, particularly 8 out of 10 Alzheimer's patients and all multiple sclerosis patients. While some mild side effects occurred, they were mostly temporary, and the findings support the idea of exploring this treatment further in a larger study.
Who this helps: This helps patients with neurodegenerative disorders who currently have limited treatment options.
Identification of a novel small molecule that inhibits deacetylase but not defatty-acylase reaction catalysed by SIRT2.
2018
Philosophical transactions of the Royal Society of London. Series B, Biological sciences
Kudo N, Ito A, Arata M, Nakata A, Yoshida M
Plain English Researchers studied a new small molecule called NPD11033 that specifically blocks the activity of a protein linked to cancer called SIRT2. They found that NPD11033 effectively stopped the growth of pancreatic cancer cells while not affecting other important processes in the body. This discovery is important because it offers a potential new avenue for cancer treatment and helps us understand how SIRT2 works in cells.
Who this helps: This helps cancer patients and doctors exploring new treatment options.
Map7/7D1 and Dvl form a feedback loop that facilitates microtubule remodeling and Wnt5a signaling.
2018
EMBO reports
Kikuchi K, Nakamura A, Arata M, Shi D, Nakagawa M +7 more
Plain English This research explored how two proteins, Map7/7D1, work with another protein called Disheveled to help cells stick to surfaces and move around. The study found that when Wnt5a signals are present, Map7/7D1 and Disheveled help each other stay in the right places inside the cell, which is crucial for normal cell function. For example, in lab tests with HeLa cells, changes in these proteins were closely linked to Wnt5a activity, highlighting how they maintain healthy cell behavior.
Who this helps: This research benefits scientists and medical professionals studying cell behavior and development.
Design, Synthesis, and Blood-Brain Barrier Transport Study of Pyrilamine Derivatives as Histone Deacetylase Inhibitors.
2018
ACS medicinal chemistry letters
Hiranaka S, Tega Y, Higuchi K, Kurosawa T, Deguchi Y +5 more
Plain English This study focused on creating a new type of drug that can effectively cross the blood-brain barrier and target certain proteins involved in gene regulation. Researchers developed a modified version of an existing drug, which not only maintained its ability to inhibit these proteins but also improved its movement across the barrier. The results show this new compound is effectively transported by a specific protein at the blood-brain barrier, making it a promising option for treating brain-related diseases.
Who this helps: This benefits patients with neurological disorders who need effective treatments that can reach the brain.
Difference in Dachsous Levels between Migrating Cells Coordinates the Direction of Collective Cell Migration.
2017
Developmental cell
Arata M, Sugimura K, Uemura T
Plain English This study looked at how a specific protein called Dachsous (Ds) helps guide groups of cells moving together in fruit flies. Researchers found that the levels of Ds varied in different parts of the cells, which helped determine the direction in which the cells moved. Specifically, a balance of Ds at the cell edges was essential for proper movement, and without this balance, the cells would not migrate correctly.
Who this helps: This helps researchers understand cell movement, which is important for developing treatments for conditions like cancer or wound healing.
Neuroendocrine Responses to Transvascular Autonomic Modulation: A Modified Balloon Angioplasty in Multiple Sclerosis Patients.
2016
Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme
Arata M, Sternberg Z
Plain English This study looked at how a modified balloon angioplasty technique, called Transvascular Autonomic Modulation (TVAM), affects hormone levels and blood pressure in patients with multiple sclerosis (MS) who have poor blood flow. Researchers found that after the procedure, levels of two important hormones, ACTH and cortisol, decreased significantly in 72 MS patients, with a notable reduction in males. This is interesting because it goes against the usual increase in these hormones that stress often causes after medical procedures, suggesting that TVAM may have unique benefits for MS patients.
Who this helps: This helps patients with multiple sclerosis.
Histone deacetylases control module-specific phenotypic plasticity in beetle weapons.
2016
Proceedings of the National Academy of Sciences of the United States of America
Ozawa T, Mizuhara T, Arata M, Shimada M, Niimi T +3 more
Plain English This study examined how certain proteins, specifically histone deacetylases (HDACs), affect the growth of exaggerated features (like large jaws) in a type of beetle called Gnatocerus cornutus. Researchers found that altering the activity of these proteins led to significant changes in the beetles' jaw sizes: reducing one protein made the jaws smaller, while reducing another made them larger, without impacting other body parts much. This research is important because it helps us understand how nutrition can influence physical traits in animals, which can have implications for evolution and species survival.
Who this helps: This benefits researchers studying animal development and evolution.
Plain English This study looked at how a procedure called balloon angioplasty affects blood pressure in multiple sclerosis patients who have narrowed internal jugular veins and symptoms related to the autonomic nervous system, like fatigue and sleeping problems. Researchers found that 91% of patients had both vein narrowing and multiple symptoms, and after angioplasty, blood pressure changes varied: it increased in patients with low initial blood pressure (105/70 mmHg or lower) and decreased in those with high initial blood pressure (130/80 mmHg or higher). This matters because finding effective ways to manage blood pressure could improve the health of multiple sclerosis patients who deal with these issues.
Who this helps: Patients with multiple sclerosis suffering from autonomic nervous system dysfunction.
A novel planar polarity gene pepsinogen-like regulates wingless expression in a posttranscriptional manner.
2014
Developmental dynamics : an official publication of the American Association of Anatomists
Mouri K, Nishino Y, Arata M, Shi D, Horiuchi SY +1 more
Plain English This study looked at a new gene called pepsinogen-like (pcl) in fruit flies to understand its role in cell structure and behavior. Researchers found that when the pcl gene was mutated, it caused problems with how cells were organized in the wing, leading to a significant drop in a protein called Wingless (Wg)—down by 62%—without affecting the messages that tell cells to make Wg. This matters because it suggests that pcl influences Wg levels after the information is transcribed into RNA, which could be important for understanding similar processes in other animals and potentially in humans.
Who this helps: This research benefits scientists studying cell biology and developmental processes.
The RNA-binding protein Spo5 promotes meiosis II by regulating cyclin Cdc13 in fission yeast.
2014
Genes to cells : devoted to molecular & cellular mechanisms
Arata M, Sato M, Yamashita A, Yamamoto M
Plain English This research focused on understanding how a specific protein, Spo5, affects a critical process called meiosis II in fission yeast. The study found that yeast cells lacking Spo5 struggled to maintain levels of a crucial protein called Cdc13, which is necessary for meiosis II to occur properly. Specifically, the cells lost Cdc13 too early, and this issue could be fixed by boosting CDK activity, highlighting how important Spo5 is for ensuring that meiosis II happens smoothly.
Who this helps: This helps researchers studying cell division and may also benefit scientists working on fertility issues.
Transvascular autonomic modulation: a modified balloon angioplasty technique for the treatment of autonomic dysfunction in multiple sclerosis patients.
2014
Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists
Arata M, Sternberg Z
Plain English This study looked at a new technique called transvascular autonomic modulation (TVAM) to help patients with multiple sclerosis (MS) who have problems with their heart's autonomic control. In a small group of 21 MS patients treated with TVAM, 18 showed signs of cardiovascular issues, and the treatment improved their heart function indicators compared to a control group, with a significant increase in a specific heart rate measurement (the 30:15 postural ratio) after the procedure. The researchers found that this new method is as safe as traditional balloon angioplasty and may help address heart issues in MS patients, highlighting its potential for treating similar problems in other conditions as well.
Who this helps: This research benefits patients with multiple sclerosis experiencing autonomic dysfunction and their doctors.
Nonalcoholic steatohepatitis and insulin resistance in children.
2014
World journal of diabetes
Arata M, Nakajima J, Nishimata S, Nagata T, Kawashima H
Plain English This research focused on a liver disease called nonalcoholic steatohepatitis (NASH) in children, which is linked to fat buildup in the liver and insulin resistance. The study found that while insulin resistance is associated with the initial fat accumulation (the first "hit"), it doesn't seem to affect liver damage or disease severity in kids. Understanding these factors is crucial because it highlights how NASH in children is different from adults and may lead to better treatments.
Who this helps: This helps doctors and families of children at risk for liver disease.
Kawasaki disease patients with six principal symptoms have a high risk of being a non-responder.
2012
Pediatrics international : official journal of the Japan Pediatric Society
Nomura Y, Arata M, Masuda K, Koriyama C, Suruki N +4 more
Plain English This study looked at Kawasaki disease (KD) patients to see how the number of their main symptoms affected their treatment response. Out of 207 patients, those with all six main symptoms had a much higher chance of not responding to initial treatment (17%) compared to those with five or fewer symptoms (5%). This finding is important because it helps doctors understand which patients are more likely to need additional treatments based on their symptoms.
Who this helps: This helps patients with Kawasaki disease and their doctors.
Serum procalcitonin value is useful for predicting severity of Kawasaki disease.
2012
The Pediatric infectious disease journal
Yoshikawa H, Nomura Y, Masuda K, Koriya C, Arata M +5 more
Plain English This study looked at the levels of a substance called procalcitonin in the blood of 160 children with Kawasaki disease. It found that those who did not respond to initial treatment had much higher levels of procalcitonin, with an important cutoff value of 0.5 ng/mL indicating an 85% chance of identifying nonresponders accurately. This matters because it can help doctors predict which patients may need different or additional treatment sooner.
Who this helps: This helps doctors and healthcare providers in managing Kawasaki disease more effectively.
Prevention of tumor growth by needle-free jet injection of anti-C7orf24 siRNA.
2012
Cancer gene therapy
Hama S, Arata M, Nakamura I, Kasetani T, Itakura S +3 more
Plain English This study looked at how a new method of delivering a specific treatment, called anti-C7orf24 siRNA, can stop tumor growth in mice with lung cancer. Researchers found that when they used a needle-free jet injection to deliver this treatment, it significantly reduced tumor growth and lowered the levels of the C7orf24 protein in the tumors. This is important because it shows a promising new way to target cancer cells more effectively, which could lead to better treatments for patients.
Who this helps: This benefits cancer patients, particularly those with lung cancer.
A severe form of Kawasaki disease presenting with only fever and cervical lymphadenopathy at admission.
2010
The Journal of pediatrics
Nomura Y, Arata M, Koriyama C, Masuda K, Morita Y +4 more
Plain English This study examined a severe type of Kawasaki disease (KD) where patients showed only fever and swelling in the neck at first. Among 187 patients, 16 had this specific presentation and were older (about 5 years) and admitted to the hospital sooner than others. Those with this form of Kawasaki disease experienced higher rates of severe complications, like needing extra treatments and having heart issues.
Who this helps: This information benefits doctors and healthcare providers in identifying and treating patients with Kawasaki disease more effectively to prevent serious outcomes.
An elevated value of high mobility group box 1 is a potential marker for poor response to high-dose of intravenous immunoglobulin treatment in patients with Kawasaki syndrome.
2009
The Pediatric infectious disease journal
Eguchi T, Nomura Y, Hashiguchi T, Masuda K, Arata M +5 more
Plain English Researchers studied 36 patients with Kawasaki syndrome to see if a protein called HMGB1 could indicate how well they respond to a common treatment of high-dose intravenous immunoglobulin. They found that patients who did not respond well to the treatment had much higher levels of HMGB1 in their blood compared to those who responded well, with a significant difference noted (P = 0.0042). This matters because measuring HMGB1 levels could help doctors identify patients at risk for poor treatment response earlier and adjust treatment plans accordingly.
Who this helps: Patients with Kawasaki syndrome and their doctors.
Conversion of cholic acid and chenodeoxycholic acid into their 7-oxo derivatives by Bacteroides intestinalis AM-1 isolated from human feces.
2009
FEMS microbiology letters
Fukiya S, Arata M, Kawashima H, Yoshida D, Kaneko M +8 more
Plain English This study focused on a specific bacteria, Bacteroides intestinalis AM-1, found in human feces, to understand its role in producing bile acids. Researchers discovered that this bacteria can convert two types of bile acids, cholic acid and chenodeoxycholic acid, into new compounds called 7-oxo derivatives, showing higher efficiency than other tested bacteria. This finding is important because it reveals a new way that our gut bacteria can influence metabolism and digestive health.
Who this helps: This helps patients who deal with digestive issues and their healthcare providers.
Early diagnosis of Kawasaki disease in patients with cervical lymphadenopathy.
2008
Pediatrics international : official journal of the Japan Pediatric Society
Yanagi S, Nomura Y, Masuda K, Koriyama C, Sameshima K +4 more
Plain English This study looked at patients who showed only fever and swollen lymph nodes when they were admitted to the hospital, focusing on whether they had Kawasaki disease (KD). Researchers found that out of 38 patients, 14 were diagnosed with KD and 24 were treated for infections instead. Key measurements from blood tests helped to distinguish between those with KD and those without, with a method shown to be 78% sensitive and 100% specific when looking for specific signs of KD.
Who this helps: This helps doctors identify Kawasaki disease earlier in patients who might otherwise be misdiagnosed.
Association between the number of cardiovascular risk factors and each risk factor level in elementary school children.
2008
Circulation journal : official journal of the Japanese Circulation Society
Yoshinaga M, Sameshima K, Tanaka Y, Arata M, Wada A +1 more
Plain English Researchers studied 319 obese elementary school children to understand how having multiple cardiovascular risk factors, like belly fat and high blood sugar, affects the severity of those risk factors over time. They found that as the number of risk factors increased, the levels of each risk factor also worsened after just one year. This is important because it shows that even young children can have serious health issues linked to obesity that can get worse when multiple risk factors are present.
Who this helps: This helps parents, doctors, and educators in monitoring and managing children’s health.
Electrocatalytic formal [2+2] cycloaddition reactions between anodically activated enyloxy benzene and alkenes.
2007
Organic letters
Arata M, Miura T, Chiba K
Plain English This study explored a chemical reaction that combines special compounds called enyloxy benzene and alkenes using electricity to speed up the process. The researchers found this method effectively produces a new type of molecule, showing that 95% of the reactions were successful in creating the desired product. This discovery is significant because it could lead to more efficient ways to create important chemicals used in medicine and other industries.
Who this helps: This helps chemists and researchers working on developing new pharmaceuticals and materials.
Four cases of Kawasaki syndrome complicated with myocarditis.
2006
Circulation journal : official journal of the Japanese Circulation Society
Yoshikawa H, Nomura Y, Masuda K, Hazeki D, Yotsumoto K +5 more
Plain English This study looked at four children with Kawasaki syndrome who developed myocarditis, a serious heart condition. The patients experienced severe heart dysfunction and some needed extra treatment; their heart performance dropped to between 42% and 51% after receiving standard treatment. This is important because it highlights the risk of heart problems in Kawasaki syndrome, even if tests show normal heart function at first, especially for older children.
Who this helps: This helps doctors and healthcare providers monitor and treat children with Kawasaki syndrome more effectively.
Effect of modified diabetic splenocytes on mice injected with multiple low-dose streptozotocin.
2002
Experimental biology and medicine (Maywood, N.J.)
Pastorale C, Arata M, Caminos A, Bruno L, Basabe J +1 more
Plain English This study looked at how modified immune cells from mice with a specific type of diabetes affected other mice that were also prone to the disease. The findings showed that these modified cells helped maintain normal blood sugar levels and protected insulin-producing cells in the pancreas, preventing damage caused by the immune response. Specifically, vaccinated mice had a healthier pattern of immune cell infiltration, which helped protect their insulin-producing beta cells.
Who this helps: This helps diabetes patients by potentially leading to new protective treatments.
Effect of modified diabetic splenocytes on mice injected with splenocytes from multiple low-dose streptozotocin diabetic donors.
2001
Experimental biology and medicine (Maywood, N.J.)
Arata M, Bruno L, Pastorale C, Pagliero F, Basabe JC
Plain English This study looked at how modified immune cells from diabetic mice affect normal mice when injected. Researchers found that these modified cells could prevent changes in glucose tolerance and insulin levels caused by injecting regular diabetic cells, especially when given in two doses. This finding is important because it shows a potential way to protect against diabetes-related issues.
Who this helps: This helps patients with diabetes and doctors treating them.
Pregnancy outcome and complications in women with spina bifida.
2000
The Journal of reproductive medicine
Arata M, Grover S, Dunne K, Bryan D
Plain English This study looked at the experiences of women with spina bifida during pregnancy, focusing on complications, delivery methods, and overall outcomes. Out of 207 women, 17 reported completing pregnancies and experienced a total of 29 pregnancies, with 23 resulting in births. Most of these women had brief hospital stays during pregnancy, and despite some complications like urinary infections and mobility issues, the overall outcomes were positive, showing that most women had successful pregnancies with low complication rates.
Who this helps: This research helps women with spina bifida considering pregnancy and their healthcare providers.