S Giannetti studies how certain hormones can help protect the brain, particularly in newborns who are exposed to harmful substances. Their research has a sharp focus on a condition called neonatal hippocampal injury, where parts of the brain responsible for memory are damaged. By using 17β-estradiol, a form of the hormone estrogen, they investigate its ability to reduce brain damage and inflammation, which could lead to better outcomes for children who face brain injuries early in life.
Key findings
Estradiol treatment significantly reduced brain cell death in newborn rats exposed to trimethyltin.
The hormone also calmed inflammatory responses in the brain, which is crucial for healing.
Restoration of normal protein function in damaged brain areas was observed, indicating potential recovery from injury.
Frequently asked questions
Does Dr Giannetti study brain injuries?
Yes, Dr Giannetti focuses on brain injuries in newborns, particularly those caused by harmful chemicals.
What treatments has Dr Giannetti researched?
Dr Giannetti has researched the hormone 17β-estradiol as a treatment to protect brain cells from damage.
Is Dr Giannetti's work relevant to children with brain damage?
Yes, their research aims to find ways to prevent learning and memory issues in children who have experienced brain injuries.
Publications in plain English
CD8+CD103+PD1+TIM3+ T cells in glioblastoma microenvironment correlate with prognosis.
2024
Immunology
Romagnoli G, D'Alessandris QG, Capone I, Tavilla A, Canini I +13 more
Plain English This study focused on understanding specific immune cells in glioblastoma, a very aggressive type of brain cancer. Researchers found that patients with lower levels of certain immune cells, specifically CD8+CD103+ T cells that also express PD1 and TIM3, had a better chance of surviving longer. For instance, having fewer of these cells was linked to significantly improved overall survival rates, with a notable hazard ratio of 0.14, meaning patients were much less likely to die from the cancer.
Who this helps: This information benefits cancer patients and their doctors by identifying factors that could improve treatment options and predict outcomes.
Percutaneous treatment of radial neck fractures in adult patients.
2024
European journal of orthopaedic surgery & traumatology : orthopedie traumatologie
Giannetti S, Smimmo A, Torre G, Stancati A, Pagano E +1 more
Plain English This study looked at a specific treatment method for radial neck fractures in adults, which are uncommon but can lead to poor outcomes. Researchers treated 17 adults using a technique called closed reduction and internal fixation (CRIF), finding that patients experienced good recovery three years later, scoring an average of 6.32 on a scale where lower scores mean better function. This matters because it shows that this technique can lead to better healing and less pain, improving patients' quality of life.
Who this helps: This helps adult patients with radial neck fractures.
Extracellular vesicles produced by irradiated endothelial or Glioblastoma stem cells promote tumor growth and vascularization modulating tumor microenvironment.
2024
Cancer cell international
Castellani G, Buccarelli M, D'Alessandris QG, Ilari R, Cappannini A +10 more
Plain English This study looked at how tiny particles called extracellular vesicles (EVs) from brain cancer cells and blood vessel cells are affected by radiation treatment. Researchers found that radiation increased the amount of EVs released, and these EVs changed how both cancer and healthy cells behaved—one type encouraged the cancer cells to grow and move more, while the other type helped healthy cells develop into new blood vessels. This is important because it shows how cancer cells and their environment communicate, which could lead to better treatment strategies for patients with aggressive brain tumors.
Who this helps: This helps patients with glioblastoma by providing insights that could improve treatment methods.
N-Acetyl-L-Cysteine (NAC) Blunts Axitinib-Related Adverse Effects in Preclinical Models of Glioblastoma.
2024
Cancer medicine
Formato A, Salbini M, Orecchini E, Pellegrini M, Buccarelli M +10 more
Plain English This study looked at how N-Acetyl-L-Cysteine (NAC), an antioxidant, can help reduce harmful side effects of the cancer drug axitinib when treating glioblastoma, a deadly brain tumor. Researchers found that combining NAC with axitinib not only helps stabilize blood vessels in the tumor but also protects the liver from damage related to axitinib, improving overall treatment safety. This matters because it could make axitinib safer for patients who need this powerful cancer therapy.
Who this helps: Patients with glioblastoma undergoing treatment with axitinib.
5-Aminolevulinic Acid (5-ALA)-Induced Protoporphyrin IX Fluorescence by Glioma Cells-A Fluorescence Microscopy Clinical Study.
2022
Cancers
Pacioni S, D'Alessandris QG, Giannetti S, Della Pepa GM, Offi M +5 more
Plain English This study looked at how a substance called 5-aminolevulinic acid (5-ALA) makes tumor cells in the brain glow during surgery for high-grade gliomas, which are aggressive brain tumors. Researchers found that this glow was visible in about 32.7% to 75.5% of the tumor cells in high-grade cases, but low-grade tumors showed no such glow at all. This matters because it confirms that while 5-ALA is helpful for identifying high-grade glioma cells during surgery, it is not effective for low-grade gliomas, especially when the protective barrier in the brain is intact.
Who this helps: This helps neurosurgeons and patients with high-grade gliomas.
FMRP modulates the Wnt signalling pathway in glioblastoma.
2022
Cell death & disease
Pedini G, Buccarelli M, Bianchi F, Pacini L, Cencelli G +11 more
Plain English This study looked at a protein called FMRP and its effects on glioblastoma, a type of aggressive brain tumor. Researchers found that higher levels of FMRP in tumor samples linked to poorer outcomes for patients, while lower levels of FMRP slowed tumor growth and cell division in laboratory tests and mouse models. This matters because it highlights a potential target for developing new treatments that could improve survival rates for glioblastoma patients.
Who this helps: This helps patients with glioblastoma and their doctors.
Dilation of Brain Veins and Perivascular Infiltration by Glioblastoma Cells in anAssay of Early Tumor Angiogenesis.
2021
BioMed research international
D'Alessandris QG, Pacioni S, Stumpo V, Buccarelli M, Lauretti L +9 more
Plain English This study looked at how brain veins change when they are affected by glioblastoma, a type of brain tumor. Researchers used a technique that allows them to see blood vessels in the brain and found that within 1-3 weeks, veins enlarged significantly, with some showing up to 200% increase in size. These changes can help scientists better understand how tumors grow and spread, which is crucial for developing new treatments.
Who this helps: Patients with glioblastoma and researchers developing new therapies.
Inhibition of mitochondrial translation suppresses glioblastoma stem cell growth.
2021
Cell reports
Sighel D, Notarangelo M, Aibara S, Re A, Ricci G +19 more
Plain English This research focused on glioblastoma stem cells (GSCs), which are tough to treat with current therapies. The study found that a drug called quinupristin/dalfopristin (Q/D) effectively stunted the growth of GSCs and disrupted their ability to multiply, showing a notable decrease in their survival. This is important because targeting the way mitochondria make proteins could lead to new treatments for aggressive brain tumors like glioblastoma.
Who this helps: This helps patients with glioblastoma by providing a potential new treatment option.
Mir-370-3p Impairs Glioblastoma Stem-Like Cell Malignancy Regulating a Complex Interplay between HMGA2/HIF1A and the Oncogenic Long Non-Coding RNA (lncRNA) NEAT1.
2020
International journal of molecular sciences
Lulli V, Buccarelli M, Ilari R, Castellani G, De Dominicis C +11 more
Plain English This study looked at a small molecule called miR-370-3p and its effects on glioblastoma, a very aggressive brain tumor. Researchers found that levels of miR-370-3p are much lower in tumor samples compared to healthy brain tissue. When they increased miR-370-3p levels in brain tumor cells, it reduced their ability to grow and spread, suggesting it could be a potential treatment option for glioblastoma patients.
Who this helps: This helps patients with glioblastoma and their doctors.
Deregulated expression of the imprinted DLK1-DIO3 region in glioblastoma stemlike cells: tumor suppressor role of lncRNA MEG3.
2020
Neuro-oncology
Buccarelli M, Lulli V, Giuliani A, Signore M, Martini M +14 more
Plain English This study looked at how certain gene regions in glioblastoma stem-like cells (GSCs) might contribute to brain tumor growth and aggressiveness. Researchers found that the MEG3 gene, which is usually helpful in preventing tumor growth, was less active in these cancer cells. Specifically, patients with lower levels of MEG3 had a shorter survival time, indicating its importance in fighting glioblastoma. Restoring MEG3 levels reduced tumor growth and spread in lab settings, pointing to it as a possible target for new treatments.
Who this helps: This benefits patients with glioblastoma and their doctors by offering new avenues for treatment.
Glioblastoma endothelium drives bevacizumab-induced infiltrative growth via modulation of PLXDC1.
2019
International journal of cancer
Falchetti ML, D'Alessandris QG, Pacioni S, Buccarelli M, Morgante L +8 more
Plain English This study looked at how a cancer drug called bevacizumab affects the growth pattern of glioblastoma, a type of brain cancer. Researchers found that while the drug made the tumors in rat models smaller, it led to more tumor cells spreading throughout the brain. Specifically, tumor cells clustered around blood vessels and used a receptor called PLXDC1 to infiltrate brain tissue, which harmed survival rates. Blocking PLXDC1 significantly improved survival for those treated with the drug.
Who this helps: This helps patients with glioblastoma and their doctors by providing insights into treatment responses.
Endothelial trans-differentiation in glioblastoma recurring after radiotherapy.
2018
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
De Pascalis I, Morgante L, Pacioni S, D'Alessandris QG, Giannetti S +6 more
Plain English This study looked at glioblastoma, a type of brain tumor, that comes back after radiation treatment. Researchers found that the tumor cells in recurrent glioblastomas had a higher presence of blood vessel cells, indicated by the CD31 marker, compared to the original tumors, with ratios increasing from 0.23 to 0.63 in certain tumor areas. This discovery is important because it shows that cancer cells can transform into blood vessel cells, helping the tumor grow and spread after treatment.
Who this helps: This helps doctors and researchers understand glioblastoma better, potentially leading to improved treatments for patients.
The Neuroprotective Effects of 17β-Estradiol Pretreatment in a Model of Neonatal Hippocampal Injury Induced by Trimethyltin.
2018
Frontiers in cellular neuroscience
Marchese E, Corvino V, Di Maria V, Furno A, Giannetti S +4 more
Plain English Researchers tested whether the hormone estradiol could protect newborn rat brains from damage caused by a toxic chemical called trimethyltin, which destroys memory-related brain cells. The hormone successfully reduced brain cell death, calmed the brain's inflammatory response, and restored normal protein function in the damaged areas. This research suggests estrogen-based treatments might prevent learning and memory problems in children whose brains are damaged early in development.
Minimally invasive fixation in tibial plateau fractures using an pre-operative and intra-operative real size 3D printing.
2017
Injury
Giannetti S, Bizzotto N, Stancati A, Santucci A
Plain English This study looked at how using 3D printing helps doctors perform surgery on patients with specific leg fractures, called tibial plateau fractures. They followed 40 patients and found that those who had surgery with a real-size 3D model spent less time in the operating room (about 148 minutes) compared to those who didn’t use the model (about 175 minutes). Importantly, patients with the 3D model also had no infections, while two patients in the other group did, which highlights the benefits of using 3D technology in surgical procedures.
Who this helps: This helps patients suffering from tibial plateau fractures by potentially reducing surgery time and infection risks.
The interference of Notch1 target Hes1 affects cell growth, differentiation and invasiveness of glioblastoma stem cells through modulation of multiple oncogenic targets.
2017
Oncotarget
Cenciarelli C, Marei HE, Zonfrillo M, Casalbore P, Felsani A +4 more
Plain English This study investigated how a protein called Hes1, which is part of a cancer-related pathway, affects the growth and behavior of glioblastoma stem cells, a type of brain cancer cell. Researchers found that lowering Hes1 levels led to changes in cell shape, decreased growth, and reduced ability to invade surrounding tissues. Importantly, these changes were linked to adjustments in specific cancer markers and pathways, suggesting that targeting Hes1 alongside inhibitors of another protein, Stat3, could improve treatments for glioblastoma.
Who this helps: This helps patients with glioblastoma and doctors seeking better treatment options for this aggressive cancer.
Human mesenchymal stromal cells inhibit tumor growth in orthotopic glioblastoma xenografts.
2017
Stem cell research & therapy
Pacioni S, D'Alessandris QG, Giannetti S, Morgante L, Coccè V +8 more
Plain English This study explored how human mesenchymal stem cells (hMSCs) affect the growth of glioblastoma tumors in lab rats. The researchers found that injecting hMSCs directly into the tumor significantly improved the rats' survival and reduced tumor size and growth, with intratumoral injections decreasing the tumor cell count. Importantly, while the hMSCs moved toward the tumors, loading them with the chemotherapy drug paclitaxel didn't enhance their effectiveness.
Who this helps: This helps patients with glioblastoma and their doctors by suggesting a new way to potentially slow tumor growth.
Integrin α7 Is a Functional Marker and Potential Therapeutic Target in Glioblastoma.
2017
Cell stem cell
Haas TL, Sciuto MR, Brunetto L, Valvo C, Signore M +14 more
Plain English This study examined a specific protein called integrin α7, which is found in certain brain cancer cells known as glioblastoma stem-like cells. The researchers discovered that higher levels of this protein are linked to poorer survival rates for patients with different grades of glioma. When they targeted integrin α7, they were able to slow down tumor growth and reduce its spread.
Who this helps: This information benefits patients with glioblastoma and the doctors treating them.
The Astrocytic S100B Protein with Its Receptor RAGE Is Aberrantly Expressed in SOD1Models, and Its Inhibition Decreases the Expression of Proinflammatory Genes.
2017
Mediators of inflammation
Serrano A, Donno C, Giannetti S, Perić M, Andjus P +2 more
Plain English This study focused on how a protein called S100B and its receptor RAGE are involved in the worsening of amyotrophic lateral sclerosis (ALS) in rat models. Researchers found that both S100B and RAGE levels increased as the disease progressed, suggesting that they play a role in the inflammation associated with ALS. Specifically, blocking the S100B-RAGE interaction helped reduce inflammatory gene activity, indicating this pathway could be a promising target for new ALS treatments.
Who this helps: This helps patients with ALS by pointing to new treatment options that could alleviate their symptoms.
Detection of unamplified genomic DNA by a PNA-based microstructured optical fiber (MOF) Bragg-grating optofluidic system.
2015
Biosensors & bioelectronics
Bertucci A, Manicardi A, Candiani A, Giannetti S, Cucinotta A +5 more
Plain English This study focused on a new method to detect specific DNA from genetically modified soybeans using a special type of optical fiber. The researchers found that they could accurately identify DNA in very small amounts, as low as 0.1%, without the need for extra labeling or amplifying the DNA. This is important because it allows for faster and simpler testing of genetically modified organisms in food and agriculture.
Who this helps: This benefits researchers, food safety regulators, and farmers monitoring genetically modified crops.
A BMP7 Variant Inhibits Tumor Angiogenesis In Vitro and In Vivo through Direct Modulation of Endothelial Cell Biology.
2015
PloS one
Tate CM, Mc Entire J, Pallini R, Vakana E, Wyss L +13 more
Plain English Researchers studied a modified version of a protein called BMP7, which plays a role in blood vessel development, to see how it affects tumor growth by stopping new blood vessel formation (angiogenesis). They found that this modified BMP7 (BMP7v) completely blocked the formation of blood vessel-like structures in lab tests and significantly slowed down tumor growth in mice, indicating it can effectively reduce blood supply to tumors. This matters because limiting blood vessel growth can help fight cancer by cutting off the nutrients and oxygen tumors need to thrive.
Who this helps: This benefits cancer patients by potentially improving treatment outcomes.
miR-135b suppresses tumorigenesis in glioblastoma stem-like cells impairing proliferation, migration and self-renewal.
2015
Oncotarget
Lulli V, Buccarelli M, Martini M, Signore M, Biffoni M +9 more
Plain English This study focused on glioblastoma multiforme (GBM), a severe type of brain tumor, and looked at a specific microRNA called miR-135b. Researchers found that when they increased the levels of miR-135b in GBM cells, these cells grew and spread less, decreasing their ability to invade the brain in mouse models. This is significant because increasing miR-135b could be a new way to slow down the progression of GBM, which currently has a very poor outlook for patients.
Who this helps: Patients with glioblastoma and their doctors.
Mesenchymal stromal cells loaded with paclitaxel induce cytotoxic damage in glioblastoma brain xenografts.
2015
Stem cell research & therapy
Pacioni S, D'Alessandris QG, Giannetti S, Morgante L, De Pascalis I +7 more
Plain English This study looked at how mesenchymal stromal cells (MSCs) can be used to deliver the cancer drug paclitaxel directly to brain tumors called glioblastomas. Researchers found that when MSCs loaded with paclitaxel were used in brain tumor models, they caused significant damage to the tumor cells, showing signs of drug effects in the tumors while leaving surrounding healthy brain cells unharmed. Specifically, tumors treated with paclitaxel-loaded MSCs had a notable increase in abnormal cell structures, indicating effective targeting; these changes were not seen in nearby normal cells.
Who this helps: This research benefits patients with glioblastoma by offering a potential treatment that targets tumor cells while sparing healthy brain tissue.
Combined PDK1 and CHK1 inhibition is required to kill glioblastoma stem-like cells in vitro and in vivo.
2014
Cell death & disease
Signore M, Pelacchi F, di Martino S, Runci D, Biffoni M +9 more
Plain English This study focused on glioblastoma, a very aggressive brain tumor that leads to a short average life expectancy of about 14 months after diagnosis. Researchers found that glioblastoma stem-like cells, which fuel the tumor's growth and resist typical treatments, can be effectively targeted by using a combination of two specific inhibitors—PDK1 and CHK1—all of which showed significant ability to slow down tumor growth both in lab experiments and in live models. This matters because it points to a new way to potentially improve treatment for patients with this challenging cancer.
Who this helps: This helps patients with glioblastoma by providing a new treatment strategy that could lead to better outcomes.
Genotyping single nucleotide polymorphisms using different molecular beacon multiplexed within a suspended core optical fiber.
2014
Sensors (Basel, Switzerland)
Nguyen LV, Giannetti S, Warren-Smith S, Cooper A, Selleri S +2 more
Plain English This study presents a new way to identify specific genetic variations, known as single nucleotide polymorphisms (SNPs), using a technique that combines special fluorescent signals with a type of optical fiber. The researchers successfully distinguished between normal and mutated DNA sequences, showing that when a sample contained only normal DNA, one color was visible, and when it had both types, two colors appeared. This method is significant because it allows for accurate testing with very tiny amounts of DNA without needing lengthy amplifications.
Who this helps: This benefits patients by providing quicker, more accurate genetic testing.
Intraoperative ultrasound assistance for percutaneous repair of the acute Achilles tendon rupture.
2014
Orthopedics
Giannetti S, Patricola AA, Stancati A, Santucci A
Plain English This study explored the use of ultrasound during surgery to help repair torn Achilles tendons. The researchers followed 40 patients for about 13 months after their surgery and found that none experienced complications like infections, nerve injuries, or re-ruptures. These results suggest that using ultrasound can lead to safer and more effective tendon repairs.
Who this helps: This helps patients with Achilles tendon injuries.
The neurogenic effects of exogenous neuropeptide Y: early molecular events and long-lasting effects in the hippocampus of trimethyltin-treated rats.
2014
PloS one
Corvino V, Marchese E, Podda MV, Lattanzi W, Giannetti S +5 more
Plain English This study looked at how a substance called neuropeptide Y (NPY) affects the growth of new brain cells in rats that had brain damage from a chemical called trimethyltin (TMT). The researchers found that rats given NPY had significantly more new neurons 30 days later compared to those that received saline, and these new cells were functioning better in the brain's memory area, as indicated by increased long-term synaptic signaling. This is important because it shows that NPY can help support brain cell regeneration and improve brain function after injury.
Who this helps: This research benefits patients with neurodegenerative diseases and injuries, as well as doctors looking for new treatment strategies.
Open-wedge high tibial osteotomy: comparison between manual and computer-assisted techniques.
2013
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
Iorio R, Pagnottelli M, Vadalà A, Giannetti S, Di Sette P +3 more
Plain English This study looked at two methods for performing a surgery called open-wedge high tibial osteotomy, which helps people with knee arthritis. It compared traditional surgery to a computer-assisted version in 24 patients over an average of 39 months. The research found that the computer-assisted technique was more successful in accurately correcting knee alignment in 86% of cases, compared to just 23% with the traditional method, and achieved the desired change in the slope of the tibia in all patients using the computer method versus only 24% with the standard approach.
Who this helps: This benefits patients with knee arthritis seeking more effective surgical options.
Label-free DNA biosensor based on a peptide nucleic acid-functionalized microstructured optical fiber-Bragg grating.
2013
Journal of biomedical optics
Candiani A, Bertucci A, Giannetti S, Konstantaki M, Manicardi A +4 more
Plain English This study looked at a new method for detecting specific DNA sequences related to cystic fibrosis, a genetic disorder. Researchers created a special fiber optic sensor that can identify a mutated DNA sequence associated with the disease. They found that the sensor accurately detected a 100 nanomolar solution of the target DNA, showing that it can distinguish between the harmful mutation and the normal gene. This method could potentially allow for quick and precise testing for cystic fibrosis.
Who this helps: This helps patients who may have cystic fibrosis by enabling faster and more accurate genetic testing.
Neglected synovial osteochondromatosis of the elbow: a rare case.
2013
World journal of surgical oncology
Giannetti S, Santucci A, Patricola A, Stancati A, Di Sanzo V
Plain English This study focused on a rare case of synovial osteochondromatosis in the elbow of a 47-year-old man, which is a condition where multiple small cartilage nodules form in the joint. Over a 32-year period, the man developed 312 loose pieces of cartilage in his elbow, leading to pain, swelling, and difficulty moving the joint. After surgery to remove these loose bodies, his elbow improved significantly, with the range of motion increasing and his function score rising from 50 to 80 out of 100 within six months.
Who this helps: This research benefits patients with similar conditions and their doctors by providing insights into treatment and outcomes for this rare joint disorder.
Cost-effectiveness of medications compared with laser trabeculoplasty in patients with newly diagnosed open-angle glaucoma.
2012
Archives of ophthalmology (Chicago, Ill. : 1960)
Stein JD, Kim DD, Peck WW, Giannetti SM, Hutton DW
Plain English This study looked at the best and most cost-effective treatments for new patients diagnosed with mild open-angle glaucoma. It found that using generic medications called prostaglandin analogs costs about $14,179 for each quality-adjusted life year gained, while laser treatment costs around $16,824 per quality-adjusted life year. If patients don't stick to their medication, the laser treatment may actually become a better choice.
Who this helps: This helps patients with newly diagnosed open-angle glaucoma and their doctors in deciding on treatment options.
Crystal structure of sarcoplasmic reticulum Ca2+-ATPase (SERCA) from bovine muscle.
2012
Journal of structural biology
Sacchetto R, Bertipaglia I, Giannetti S, Cendron L, Mascarello F +3 more
Plain English This study looked at a protein called the SERCA pump from cow muscle that helps move calcium out of muscle cells, which is important for muscle relaxation. Researchers found that while the structure of the bovine SERCA pump is similar to that of a rabbit’s, it works less effectively—specifically, its ability to transport calcium ions is reduced. Understanding these differences in enzyme activity is important for improving treatments related to muscle function and relaxation.
Who this helps: This helps patients with muscle-related disorders and doctors treating them.
A BMP7 variant inhibits the tumorigenic potential of glioblastoma stem-like cells.
2012
Cell death and differentiation
Tate CM, Pallini R, Ricci-Vitiani L, Dowless M, Shiyanova T +8 more
Plain English This study looked at how a specific variant of a protein called BMP7 (BMP7v) affects aggressive brain tumors known as glioblastomas. Researchers found that BMP7v slowed down the growth of stem-like tumor cells, reduced tumor size, and improved the differentiation of these cells into healthier types (like neurons and supportive brain cells), ultimately leading to less tumor invasion and lower death rates in animal models. This is important because finding effective treatments for glioblastomas could help manage a disease that is currently very difficult to treat.
Who this helps: This helps patients with glioblastoma and their doctors by offering a potential new treatment option.
Avidin functionalized maghemite nanoparticles and their application for recombinant human biotinyl-SERCA purification.
2012
Langmuir : the ACS journal of surfaces and colloids
Magro M, Faralli A, Baratella D, Bertipaglia I, Giannetti S +3 more
Plain English This study focused on a new type of tiny particles called maghemite nanoparticles that were coated with avidin, a protein that binds to biotin. Researchers found that each nanoparticle could hold about 10 avidin molecules, and each avidin could bind nearly 3 biotin molecules, confirming the particles' effectiveness. Ultimately, this method allowed the researchers to purify a significant protein called hSERCA-2a from yeast with a 64% success rate, recovering about 500 micrograms from 4 liters of yeast culture.
Who this helps: This benefits scientists and researchers who need efficient ways to purify proteins for medical and biotechnological applications.
The neuroprotective and neurogenic effects of neuropeptide Y administration in an animal model of hippocampal neurodegeneration and temporal lobe epilepsy induced by trimethyltin.
2012
Journal of neurochemistry
Corvino V, Marchese E, Giannetti S, Lattanzi W, Bonvissuto D +4 more
Plain English This study looked at the effects of a substance called neuropeptide Y (NPY) on brain damage and nerve cell growth in rats that had experienced brain damage due to a chemical called trimethyltin. Researchers found that giving NPY helped protect the brain from damage and increased the growth of new nerve cells. Specifically, NPY showed beneficial effects by enhancing the activity of key genes involved in cell survival and growth.
Who this helps: This research benefits patients with conditions like epilepsy and neurodegenerative diseases.
A medium to long-term follow-up of ACL reconstruction using double gracilis and semitendinosus grafts.
2011
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA
Ferretti A, Monaco E, Giannetti S, Caperna L, Luzon D +1 more
Plain English This study looked at the outcomes of knee surgeries for torn ACLs in 100 patients over a period of at least 6 years. They found that 98% of patients reported good to excellent improvement in knee function, but 7.5% had a noticeable difference in knee stability. Additionally, 9% of patients showed early signs of arthritis.
Who this helps: This helps patients recovering from ACL surgery and their doctors in understanding the long-term effects of the procedure.
Neurotrophic features of human adipose tissue-derived stromal cells: in vitro and in vivo studies.
2011
Journal of biomedicine & biotechnology
Lattanzi W, Geloso MC, Saulnier N, Giannetti S, Puglisi MA +3 more
Plain English This study looked at stromal cells from human fat tissue and their ability to support nerve growth and health. The researchers found that these cells could promote the growth of nerve fibers in lab tests and were also able to show specific features important for nerve health in living organisms. This matters because it suggests that these fat-derived cells could be useful in developing treatments for nerve injuries or diseases.
Who this helps: This helps patients with nerve damage or neurological conditions.
Computer-assisted high tibial osteotomy: preliminary results.
2010
Orthopedics
Iorio R, Vadalà A, Giannetti S, Pagnottelli M, Di Sette P +2 more
Plain English This study looked at a surgical technique called high tibial osteotomy (HTO), which is used to correct knee alignment issues in 13 patients. The researchers found significant improvements in knee function after surgery; the average score on a knee function questionnaire rose from 46.5 to 84.6, indicating better knee health. Additionally, the mechanical alignment of the knees improved, shifting from a varus (inward) position to a valgus (outward) position, enhancing overall knee stability.
Who this helps: This benefits patients with knee alignment problems, particularly those considering surgery for better pain relief and mobility.
Trimethyltin intoxication up-regulates nitric oxide synthase in neurons and purinergic ionotropic receptor 2 in astrocytes in the hippocampus.
2010
Journal of neuroscience research
Latini L, Geloso MC, Corvino V, Giannetti S, Florenzano F +3 more
Plain English This study looked at how a toxic substance called trimethyltin (TMT) affects nerve cells in the brain, particularly in areas related to memory. The researchers found that TMT caused significant damage to brain cells over time, leading to increased activity of specific proteins in the cells: nitric oxide synthase in neurons and purinergic receptors in supporting cells called astrocytes. Notably, after TMT exposure, about 50% of neurons in certain brain areas died, and this was linked to changes in the proteins studied, highlighting potential interactions that could impact how cells survive brain injury.
Who this helps: This research helps doctors and scientists understand brain damage, which can lead to better treatments for neurodegenerative diseases.
Transplantation of foetal neural stem cells into the rat hippocampus during trimethyltin-induced neurodegeneration.
2007
Neurochemical research
Geloso MC, Giannetti S, Cenciarelli C, Budoni M, Casalbore P +2 more
Plain English This study looked at how well neural stem cells survive and develop when implanted into the hippocampus of rats with brain damage caused by a toxic substance called trimethyltin. Researchers found that two weeks after the procedure, 60% of the rats with brain damage had surviving stem cells, but by thirty days, only 40% still had them, and they did not see any signs that these cells helped repair the damaged area. This is important because it shows that while some stem cells can survive after transplantation, they do not effectively integrate into the damaged brain and may not contribute to recovery.
Who this helps: This research benefits scientists and doctors working on treatments for neurodegenerative diseases.
Enhanced neurogenesis during trimethyltin-induced neurodegeneration in the hippocampus of the adult rat.
2005
Brain research bulletin
Corvino V, Geloso MC, Cavallo V, Guadagni E, Passalacqua R +4 more
Plain English This study looked at how brain cell growth (neurogenesis) was affected in rats after exposure to trimethyltin, a substance that causes brain damage. The researchers found that 15 days after the exposure, the number of new brain cells was significantly higher in the hippocampus of the treated rats, especially in one area called the dentate gyrus. By 21 days, the number of new cells decreased but remained higher than normal in another area, suggesting that while some new cells become neurons, others do not fully develop.
Who this helps: This research helps scientists and doctors understand how the brain may try to heal itself after injury, which could inform treatments for neurodegenerative diseases.
Overexpression of the p75 neurotrophin receptor in the sensori-motor cortex of rats exposed to ethanol during early postnatal life.
2003
Neuroscience letters
Toesca A, Giannetti S, Granato A
Plain English This study looked at how exposure to alcohol affects the brains of young rats, specifically focusing on a protein called the p75 neurotrophin receptor in a part of the brain that controls movement and sensory information. The researchers found that rats exposed to alcohol shortly after birth had more of this protein in their brains compared to those that weren’t exposed. This increase was more significant in the area that controls movement, which may lead to problems with brain development and function.
Who this helps: This helps researchers and healthcare providers understand the impact of alcohol on brain development in infants.
Organization of cortico-cortical associative projections in rats exposed to ethanol during early postnatal life.
2003
Brain research bulletin
Granato A, Di Rocco F, Zumbo A, Toesca A, Giannetti S
Plain English This study examined how exposure to ethanol (alcohol) during the first week of life affects brain connections in adult rats. The researchers found that rats treated with ethanol had fewer brain cells involved in communication between different brain areas, and those remaining cells had simpler structures compared to normal rats. This matters because it helps us understand how early alcohol exposure can lead to lasting changes in brain function, which is important for addressing developmental issues associated with fetal alcohol syndrome.
Who this helps: This helps patients with fetal alcohol syndrome and their families.
Callosal connections of dorso-lateral premotor cortex.
2003
The European journal of neuroscience
Marconi B, Genovesio A, Giannetti S, Molinari M, Caminiti R
Plain English This study explored how different parts of a monkey's brain communicate with each other, specifically focusing on two areas in the dorsal premotor cortex involved in movement planning. Researchers injected tracking dyes into these areas and discovered that the two regions send signals back and forth directly, but also communicate in more complex ways with neighboring brain areas. They found that the callosal connections are organized in a specific pattern, showing that the brain has a structured method for processing movement-related information.
Who this helps: This research benefits neuroscientists and doctors studying brain function related to movement disorders.
Cerebellar input to the posterior parietal cortex in the rat.
2002
Brain research bulletin
Giannetti S, Molinari M
Plain English This study looked at how the cerebellum (a part of the brain) sends signals to the posterior parietal cortex (PPC) in rats. Researchers found that in one thalamic region, neurons that send signals to both the PPC and somatosensory cortex (which processes touch) are mixed together, while in another region, these neurons are organized separately. This helps us understand how these brain areas communicate and could have implications for better understanding coordination and motor control.
Who this helps: This helps researchers and doctors studying brain functions related to movement and sensory processing.
Dendritic architecture of corticothalamic neurons in a rat model of microgyria.
2002
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
Di Rocco F, Giannetti S, Gaglini P, Di Rocco C, Granato A
Plain English This study looked at the structure of specific brain cells in newborn rats that had brain damage similar to a condition in humans called microgyria. Researchers found that these affected brain cells had longer branches, or dendrites, compared to healthy ones. Understanding these changes is important because it helps us learn how brain injuries affect neural connections, which could improve treatments for similar conditions in humans.
Who this helps: This benefits researchers and doctors working with patients who have brain injuries or developmental disorders.
Dendritic anomalies in a freezing model of microgyria: a parametric study.
2001
Pediatric neurosurgery
Di Rocco F, Giannetti S, Gaglini P, Di Rocco C, Granato A
Plain English This study investigated how a specific brain injury in newborn rats affects not only the damaged area but also the nearby healthy brain tissue. The researchers found that after freezing the brain tissue, there was significant loss of small structures (called spines) on the dendrites of neurons near the injury, which is important for communication between brain cells. These changes in the brain's structure could explain why people with similar brain malformations often experience seizures and cognitive challenges.
Who this helps: This research benefits patients with epilepsy or cognitive impairments related to brain malformations.
Acrylic hydrogel implants after spinal cord lesion in the adult rat.
2001
Neurological research
Giannetti S, Lauretti L, Fernandez E, Salvinelli F, Tamburrini G +1 more
Plain English Researchers studied the effects of acrylic hydrogel implants on spinal cord injuries in rats to see if these materials could help nerve cells repair themselves. They found that when they implanted these collagen-coated sponges in the injured spinal cords, there was little inflammation, no significant cyst formation, and nerve fibers were able to grow through the sponges, effectively supporting recovery. This is important because it shows that these hydrogels might be a safe and effective way to help repair spinal cord injuries.
Who this helps: This benefits patients with spinal cord injuries by offering a new method for potential recovery.
Organization of cortico-cortical associative projections in a rat model of microgyria.
2000
Neuroreport
Giannetti S, Gaglini P, Di Rocco F, Di Rocco C, Granato A
Plain English This study looked at how connections between brain regions are organized in rats with a condition called microgyria, which affects brain development. The researchers found that in rats with microgyria, the long-range connections primarily come from deeper layers of the brain, while in normal rats, these connections come from both deep and superficial layers. Additionally, the branching of certain nerve cells was simpler in the affected rats, suggesting that microgyria may impact brain wiring and could be related to epilepsy.
Who this helps: This helps patients with microgyria and their doctors in understanding the condition better.
Organization of callosal connections in rats with experimentally induced microgyria.
1999
Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery
Giannetti S, Gaglini P, Granato A, Di Rocco C
Plain English This study examined how certain brain connections are organized in rats that had a brain injury shortly after birth. Researchers found that these injured rats had more callosal neurons in a specific layer of the brain (layer 6) compared to healthy rats, who had most of their connections from layers 2/3 and 5. This finding is important because it helps us understand how brain injuries can lead to unusual brain wiring, which could have implications for understanding similar issues in humans.
Who this helps: This helps researchers and medical professionals working with patients who have suffered from brain injuries.
Early coding of reaching: frontal and parietal association connections of parieto-occipital cortex.
1999
The European journal of neuroscience
Caminiti R, Genovesio A, Marconi B, Mayer AB, Onorati P +6 more
Plain English This study looked at how different parts of the brain work together when reaching for objects. Researchers found that an area of the brain called V6A is closely linked to other regions involved in directing movements, showing that V6A plays an important role in planning visually-guided reaching actions. This matters because understanding these connections may help improve treatments for movement disorders.
Who this helps: Patients with motor control issues.