A study at the University of Alabama at Birmingham has identified a crucial co-receptor in parathyroid hormone signaling that selectively stimulates bone formation. This finding could lead to new osteoporosis drugs and better bone-building therapies by targeting specific cell receptors responsible for calcium uptake from the blood.
Researchers found that stress activates immune cells, which initiate and perpetuate skin diseases. Blocking specific proteins prevented the increase in white blood cells, suggesting a key role for ICAM-1/LFA-1 interactions.
Researchers found two patients with hippocampal damage showed strikingly different patterns of memory performance, one with no deficit and the other impaired. The study suggests that subtle differences in brain pathology may be critical to understanding memory outcomes.
The Rett Syndrome Research Trust aims to bring novel therapeutics addressing the underlying MECP2 pathology to clinical trials within five years. Classic Rett Syndrome affects females almost exclusively, causing severe physical disability and requiring total care.
Researchers have identified compounds that block the activity of a specific enzyme, preventing brain injury and improving survival in fruit flies with Huntington's disease. The findings could lead to better treatments for degenerative diseases such as Alzheimer's and Parkinson's.
The study completes the genome sequence and genetic map of Meloidogyne hapla, a microscopic worm causing significant crop damage. The research provides a powerful platform for understanding parasitism and developing eco-friendly management strategies.
A team of researchers at Wake Forest University School of Medicine has been awarded a $9.3 million grant from the National Heart, Lung, and Blood Institute to investigate blood lipoproteins and their role in preventing coronary heart disease. The study aims to identify molecular events regulating cholesterol transport in blood.
A new computer program may reveal a way to predict premature birth with greater accuracy. The system, developed by Australian researchers and a pathology company, analyzes hormone levels to identify high-risk pregnancies.
A study published in JCI Journals suggests that a yeast protein called Hsp104 may hold the key to treating Parkinson's disease. The protein was found to inhibit alpha-synuclein aggregation, which is thought to contribute to PD pathology.
A study published in Neurology found that physical frailty is associated with Alzheimer's disease pathology in both people with and without dementia. The researchers found that participants with high levels of AD pathology had approximately twice the level of frailty compared to those with low levels.
Bernardino Ghetti, a renowned Indiana University Alzheimer's disease researcher, has been awarded the Henry M. Wisniewski Award for his lifetime contributions to Alzheimer's research and understanding of dementia mechanisms.
A study published in The American Journal of Pathology suggests that fibrocytes, cells involved in wound healing, can form premetastatic niches that facilitate cancer spread. Researchers found that injecting these cells into mice nearly doubled the rate of metastasis, a finding that could lead to new treatments.
A team of researchers has developed a powerful tool to induce specific genomic modifications in many types of cells, including plants and humans. The new method, known as OPEN, enables academic researchers to rapidly create high-quality enzymes that can target and manipulate DNA sequences for repair or inactivation.
Researchers have identified a new protein produced excessively in malignant melanoma, which may help distinguish it from benign moles. The discovery offers a potential target for treatment and could improve diagnosis of skin cancer rates rising among young women.
Research finds that extreme climate conditions can create conditions for diseases normally tolerated singly to converge and cause mass die-offs in wildlife. In a study on Serengeti lions, researchers linked deadly outbreaks of canine distemper virus to debilitated prey populations and heavy tick infestations after droughts and floods.
The International Association for Dental Research presents the 2008 Oral Medicine & Pathology Research Award to Dr. Paul Speight for his contributions to understanding oral cancer, screening, and early detection of lymphoma in Sjögren's syndrome patients. His research focuses on photodynamic therapy and has been widely published.
Dr. David M. Engman, a renowned expert in Chagas disease research, has been awarded the prestigious ASIP-AMGEN Outstanding Investigative Award. His work focuses on understanding the mechanisms of Chagas disease and creating animal models to develop new treatments.
Research by NARSAD scientists provides clues on how genes impair attention, memory, and perception in psychiatric illnesses like schizophrenia, bipolar disorder, and depression. The study focuses on specific genes and family traits that contribute to the susceptibility and pathology of these diseases.
Researchers have found estrogen-dependent molecular pathways play a crucial role in regulating aggressive prostate cancer. The study used innovative technology to analyze 455 prostate cancer samples and identified an 87-gene expression signature that distinguishes fusion-positive TMPRSS2-ERG cancers from other malignancies.
A vaccine created by University of Rochester Medical Center scientists prevents the development of Alzheimer’s disease-like pathology in mice. The vaccinated mice demonstrated normal learning skills and functioning memory despite being genetically designed to develop an aggressive form of the disease.
Researchers have found that plants regulate their own genes using small RNAs, similar to how they silence foreign viral RNA. This discovery has implications for fields such as plant pathology, cancer research, and potentially even combating climate change by understanding how plants respond to pathogens.
Research highlights diacetyl's acute toxicity and respiratory harm when inhaled by humans. Studies have found that diacetyl can injure lungs, particularly among workers making microwave popcorn and flavoring chemicals.
A recent study found that 3T MRI without an endorectal coil can detect prostate cancer with diagnostic image quality and accurate tumor localization. The technique provided undistorted images of the prostate and surrounding tissue, allowing for precise surgical planning.
Researchers have found two more mutations in the TDP-43 gene that could become candidates for drug targets, providing direct evidence of its role in ALS and FTD. The study also suggests potential implications beyond these diseases.
A new study finds that depression is a risk factor for Alzheimer's disease, rather than an early sign of its underlying pathology. The research, published in Archives of General Psychiatry, found no increase in depressive symptoms before the clinical diagnosis of Alzheimer's disease.
A recent study published in Nature Medicine found that fetal cells implanted in patients with Parkinson's disease can develop Lewy body pathology, a defining characteristic of the disease. The study suggests that cell replacement strategies for Parkinson's disease may not be effective in the long-term.
Researchers found a three-to-four-fold higher overall prevalence of cerebral microbleeds compared to other studies. The presence of cerebral microbleeds is associated with an increased risk of cerebrovascular problems and may reflect underlying cerebrovascular pathology.
Researchers found that human umbilical cord blood cell therapy significantly reduced amyloid-β and β-amyloid plaques in mice with Alzheimer's-like disease. The treatment modulates the immune system by suppressing CD40-CD40L activity, offering potential for targeting inflammatory responses associated with degenerative conditions.
A new study found that human umbilical cord blood cell therapy reduced amyloid-ß plaques by 62% and cerebral amyloid angiopathy by 86% in mice with Alzheimer's-like disease. The treatment targeted the pathogenic inflammatory response associated with CD40-CD40L activity.
Dr. Peter H. Byers has received the March of Dimes/Colonel Harland Sanders Award for Lifetime Achievement in Genetics for his groundbreaking research on collagen gene mutations and their role in inherited disorders such as Ehlers-Danlos syndrome and osteogenesis imperfecta. His work has significantly advanced our understanding of these...
Researchers have created a highly accurate mouse model of inflammatory bowel disease (IBD), which closely resembles the most serious form of human ulcerative colitis. Treating the mice with broad-spectrum antibiotics reduced gut inflammation and increased survival, providing hope for new treatments.
A new study shows that tumor blood vessels develop from precancerous stem cells, a type of cell that can become malignant. The findings suggest that screening anti-angiogenic drugs should include these cells to improve their effectiveness in blocking tumor growth.
A recent MUHC study reveals that cystic fibrosis-related bone problems are an additional pathology stemming from the Cftr gene mutation, not a side effect of treatment. The study found that mice with the mutation have lower bone mineral density and mass than control mice, without pancreatic insufficiency or steroid treatment.
A study by UCI researchers has identified the Lhx2 gene as the long-sought cortical creator gene, instructing stem cells in the developing brain to form the cerebral cortex. This finding could potentially be used in stem cell research efforts to grow new cortical neurons to replace damaged ones.
A study of 929 Catholic clergy members found no link between statin use and reduced risk of Alzheimer's disease. No association was also found between statins and slowed cognitive decline among older adults.
A study identified ADK as a molecular link between astrogliosis and neuronal dysfunction in epilepsy. Mice engineered with less ADK were protected from chemical-induced epilepsy, suggesting an ADK-based treatment strategy for individuals with epilepsy.
Researchers at the Research Institute of Molecular Pathology have identified a molecular switch responsible for the behavioral changes in female fruit flies after mating. The discovery could lead to new approaches for controlling reproductive behaviors in agricultural pests and human disease carriers.
Normal aging is linked to brain system disruption, causing cognitive decline even in absence of Alzheimer's disease pathology. The researchers found a correlation between reduced functional connections and decreased white matter integrity.
A recent study found that CT colonography is effective in detecting new and significant abnormalities outside the colon, including cirrhosis and tumors, in elderly patients. The study also showed that a high percentage of patients had at least one malignancy, with extracolonic malignancies being more common than previously thought.
Researchers used transparent zebrafish to study inflammatory breast cancer, discovering how two proteins interact to facilitate metastasis. The study reveals that vascular endothelial growth factor (VEGF) and RhoC work together to promote rapid intravasation of cancer cells into blood vessels.
Researchers found that excessive glucose chains induce neuronal death and cause Lafora disease by disrupting glycogen levels. This discovery may lead to new treatment strategies for other neurodegenerative diseases.
Researchers analyzed over 18,000 genes from breast and colorectal tumors to identify genetic diversity between tumor types. The study highlights the need for individualized cancer treatment targeting specific mutant genes in each patient.
Researchers at Jefferson University have discovered a tumor-blocking protein, pp32, that may be missing in aggressive forms of pancreatic cancer. The absent protein could eventually serve as a biomarker for the disease and a potential therapeutic target.
Human and avian influenza viruses target different cells in the lower respiratory tract, with human virus targeting upper respiratory tract cells and avian virus targeting deeper lung cells. The study provides insights into the pathogenesis of these divergent diseases.
Chronic fatigue syndrome is linked to a stomach virus, with over 80% of infected patients testing positive for enteroviral particles. Research suggests that initial infections can occur years earlier, highlighting the long-term impact of viral infections on the condition.
A large-scale virtual microscopy slide seminar is held with over 800 pathologists from Europe and worldwide participating. The event features digitized samples of rare cases and a European Virtual Microscopy Network for future collaboration.
Penn researchers identified how regulatory protein Bcl-3 regulates inflammation by blocking ubiquitination, a critical biochemical process. This discovery opens new avenues for developing therapies to treat infectious or inflammatory diseases such as sepsis and rheumatoid arthritis.
Research suggests that tonsils may facilitate oral HIV transmission through their unique gene expression profiles, which include higher levels of immune function-related genes and lower levels of antiviral proteins. This makes the tonsil tissue more permeable to pathogens, increasing its vulnerability to infection.
Researchers at M. D. Anderson Cancer Center have identified a new oncogene, insulin-like growth factor binding protein 2 (IGFBP2), that contributes to the formation of two types of brain malignancies, astrocytoma and oligodendroglioma.
Researchers have shown that bone marrow stem cells can speed up hearing recovery in rats with damaged inner ears. The stem cells repaired the injured cochlear fibrocytes, leading to faster recovery of high-frequency hearing, and improved hearing by 23% compared to natural regeneration.
A new study from the University of Illinois found that cytokine resistance contributes to the pathology of type 2 diabetes by impairing the anti-inflammatory response and disrupting insulin-like signaling pathways. This impairment leads to chronic inflammation, which exacerbates health issues in individuals with obesity or diabetes.
A study published in The American Journal of Pathology found that a specific enzyme helps protect against tumor growth by enhancing the immune response. Mice with high levels of this enzyme in their macrophages were resistant to melanoma and lymphoma, demonstrating its potential as a new cancer therapy.
A study from Massachusetts General Hospital reveals that aspirin's colorectal cancer prevention mechanism depends on the inhibition of COX-2 enzyme. Regular aspirin intake only reduced the incidence of colorectal tumors that overexpress COX-2, highlighting a potential target for personalized treatment strategies.
Researchers evaluated a new flexible endoscopic suturing method for gastrointestinal perforations and used wireless capsule endoscopy to detect small intestine pathology in young children. The studies found the suturing method to be easy to employ and successful in closing perforations without laparoscopic or open surgery.
Researchers at Mayo Clinic have discovered a correlation between violent rapid eye movement sleep behavior disorder and eventual onset of parkinsonism or dementia. Patients with the disorder may be exhibiting early signs of an evolving neurodegenerative disease caused by abnormal synuclein protein clumps.
Researchers at Universitat Autonoma de Barcelona and UNIVET have developed an artificial canine skin model that replicates the characteristics of dog's skin. The model allows for study of skin biology and pathology without using live animals, providing an alternative to traditional research methods.
A recent study found that radiology residents use approximately 15% of their average annual salary for educational expenses. Senior residents reported an average out-of-pocket expense of $7,515 for review courses and board examinations, with many struggling to pay off student loans from medical school.
A recent study found that CT and MRI are highly accurate in determining optimal candidates for liver transplantation in patients with cirrhosis. The study demonstrated agreement between radiology and pathology staging in 96.5-97.5% of patients, supporting the use of imaging tools in candidate selection.
Researchers identified loss of Fibulin-2 as a breast cancer progression marker, which can be restored with protein reintroduction. Breast cancer cells can reversibly alter their phenotype through manipulations like antibody binding to fibronectin, and DNA reversion can be overturned by removing the stimuli.
The study found an unexpected link between the immune system and elevated lipids in mice, suggesting a potential new avenue for studying coronary heart disease. The researchers discovered that altering T cell expression levels significantly impacted cholesterol and triglyceride levels.