Researchers at the University of Pennsylvania School of Medicine found that dysbindin protein expression is reduced in over 80% of patients with schizophrenia, correlating with increased glutamate packets. This discovery provides a critical lead for understanding schizophrenia's cellular mechanisms.
A new study by Cincinnati Children's Hospital Medical Center has identified a strain of E. coli as the cause of diarrhea in young children. The research, which used genetic technology, found that nearly 10% of children treated for gastroenteritis tested positive for enteroaggregative E. coli.
A study suggests that peripheral blood analysis can help develop surrogate biomarkers of stroke risk and prognosis, providing insights into cellular and pathological mechanisms. Blood studies offer a faster and more practical alternative to brain tissue samples, allowing for serial data collection throughout the ongoing stroke.
Dr. Blossom A. Damania has been awarded the $50,000 Gertrude B. Elion Cancer Research Award for her research on tumor virology and Kaposi's sarcoma-associated herpesvirus (KSHV). This award recognizes her groundbreaking work in deciphering how the virus can transform cells into malignancies.
Researchers found a strong association between monkey virus DNA and non-Hodgkin's lymphoma, suggesting the virus could play a role in its development. The study suggests that targeting the virus could help prevent its development and offers new therapeutic strategies.
Researchers found cognitive behavior therapy significantly reduced hypochondriacal symptoms, beliefs, and attitudes, as well as health-related anxiety. CBT also improved social role functioning and daily living activities in patients with hypochondria.
A study of 100 patients with abnormally high liver enzymes found that 57 had HCV RNA in their liver biopsies, suggesting occult infection. HCV RNA was also detected in peripheral-blood mononuclear cells from 40% of patients, potentially allowing for easier detection and monitoring.
Scientists discover 'synoviolin', an enzyme that contributes to RA progression by over-growing synovial cells. Reducing synoviolin levels could halt joint destruction, offering new insights into RA etiology and innovative therapies.
Research reveals that amyloid accumulation selectively reduces expression of genes essential for forming new memories, leading to early memory loss in Alzheimer's disease. The study suggests a new approach to treating the disease by blocking the effect of remaining amyloid on normal learning and memory.
Sandra McLachlan and her team reveal that cleavage of the TSHR A subunit can induce or amplify the immune response to the TSHR, resulting in autoantibodies that stimulate thyroid hormones. This finding increases understanding of why autoantibodies arise specifically to the TSHR, leading to Graves hyperthyroidism.
A longitudinal study found that high fruit and fruit drink consumption predicted an increased risk of Parkinson's disease. However, vitamin C intake was not associated with the risk. The study suggests further research into food-borne toxins may help understand the etiology and prevention of the disease.
Researchers found that a father's maximum number of drinks consumed in 24 hours is associated with disruptive behavior disorders, early substance-use initiation, and early substance-related disorders in his children. The study suggests that this 'phenotype' could supplement diagnostic categories for alcohol dependence.
A multicenter study identified a positive association between obsessive-compulsive disorder (OCD) and a serotonergic receptor gene variant. This genetic phenotype may represent an early onset risk factor for the disorder, suggesting age of onset should be considered in molecular genetic studies.
Researchers have found that Cdk4 expression is essential for Ras-induced cancer development, making it a potential target for therapy. Dr. Hiroaki Kiyokawa and colleagues showed that Cdk4-deficient cells can enter a protective state of senescence when exposed to oncogenes like Ras.
The HEED program aims to bridge disciplinary interests in global health, economics, and environment. It will support research on the complex linkages between these factors and inform healthcare strategies in low- and middle-income countries.
Researchers found a common mutation in the DAT gene to be associated with trauma survivors who developed chronic PTSD, suggesting a genetic contribution to the disorder's development. The study implies that genetically determined variation in dopaminergic neurotransmission may play a role in shaping the pathological response to trauma.
Two new studies introduce a reliable assay to detect brown recluse spider venom in patients, reducing the need for invasive biopsies. The assay detects venom in hair, fluid from wounds, and skin biopsies, improving diagnosis accuracy and avoiding misidentifications.
A new study suggests that testosterone may play a protective role against stroke in men, while estrogen levels are not linked to stroke risk. The study followed 6,732 individuals over five to eight years and compared serum levels of testosterone and estrogen between men who experienced strokes and those who remained healthy.
A recent study has identified eight chromosomal sites that may harbor genes for hand OA, with the strongest evidence found on chromosomes 7p and 11q. The research used a genome scan of Framingham participants and their offspring to investigate genetic linkages.
Researchers have found a genetic susceptibility locus on chromosome 1 that may contribute to the development of anorexia nervosa. The study used a genome-wide linkage analysis and identified a possible AN-susceptibility gene on chromosome 1p, adding to growing evidence supporting the role of genetics in eating disorders.
A new theory proposes that exposure to ochratoxin A during pregnancy or early childhood can induce damage to testicular DNA, increasing the risk of testicular cancer. Testicular cancer is more common among people of higher socioeconomic levels, who are more likely to breastfeed.
A study led by Dr. Jeffery M. Vance found significant evidence of linkage between the tau gene and late-onset Parkinson's in three single nucleotide polymorphisms. The research suggests that normal variations in the tau protein may make individuals more susceptible to the disease.
The study provides strong evidence that several genes influence the development of late-onset Parkinson's and that age at onset and response to levodopa may be useful discriminators for genetic origins. Researchers detected evidence for genetic linkage to five distinct regions on chromosomes 5, 6, 8, 9, and 17.
Researchers found significant susceptibility for thyroid autoimmune disorders and Type 1 diabetes mellitus associated with DQ2 alleles, primarily transmitted from fathers to affected daughters. Hormonal factors may also regulate this interaction, as observed in the transmission of disease to pre- and postpubertal individuals.
A new double transgenic mouse model has been developed to study Alzheimer's disease, featuring both brain plaques and tangles associated with the condition. The model is expected to contribute significantly to knowledge about the course of the disease and aid in further development and testing of potential therapies.
Dr. Barr will investigate the relationship between rising acetaminophen use and a 20-year increase in asthma prevalence, exploring potential mechanisms behind the association. The research aims to inform treatment strategies and public education about pain medication use.
The symposium aims to provide state-of-the-art information on breast cancer research. Five plenary speakers will discuss various topics, including targeted therapies and hormone replacement therapy.
A new Yale research program aims to bridge the knowledge gap on women and drug abuse, providing training opportunities for scholars to develop sex-specific treatments and prevention strategies. The five-year program will focus on understanding the etiology of drug abuse in women and its impact on families.
A prospective study of 10,786 Italian women found a 40% lower risk of breast cancer in premenopausal women with the C-2 estrogen metabolism pathway, which produces less active by-products. Lifestyle changes such as physical activity and a low-fat diet high in cruciferous vegetables may shift estrogen metabolism from high-risk to low-risk.
A recent UT Southwestern Medical Center study found that 20% of women with lower urinary-tract symptoms, including incontinence, had undiagnosed bladder obstructions. The researchers used urodynamics testing to identify the subset of women who would benefit from more specialized treatment.
A study by Ashima K. Kant and colleagues found that women who followed a dietary pattern rich in fruits, vegetables, whole grains, low-fat dairy, and lean meats had a 30% lower risk of all-cause mortality compared to those with the lowest intake level.
Scientists have created a genetically-engineered mouse model with human tau genes, allowing for the study of tau-containing lesions in various brain disorders. The new model shows abnormal tau filaments accumulating in nerve cells, similar to those found in Alzheimer's disease.
Researchers conducted an extensive review of recent studies on chronic fatigue syndrome (CFS), noting a lack of consensus on its definition and treatment. Studies estimate that up to 380 out of every 100,000 people in the US suffer from CFS, primarily affecting middle-aged women.
The Wistar Institute has received a five-year grant from the National Cancer Institute to develop new diagnostic tools and treatments for metastatic melanoma. The goal of this project is to improve patient outcomes by understanding the underlying molecular events that contribute to the development and progression of the disease.
Moderate wine consumption is linked to a healthier diet and reduced incidence of ischemic heart disease. A study of 48,763 Danish men and women found that moderate wine drinkers (1-3 glasses/day) consumed the most heart-healthy diet.
A low-dose hydrocortisone study found slight improvement in some chronic fatigue syndrome (CFS) symptoms for about half the participants, while two-thirds on hydrocortisone reported better well-being. However, the treatment also induced adrenal suppression in twelve patients, rendering it an unsuitable option for CFS patients.
A study found that postmenopausal women with excess body hair are 33% more likely to develop breast cancer. Excess sebum production also increases the risk in premenopausal women, while an 'apple' shape is linked to a higher risk of breast cancer in this age group.
Researchers found that African Americans and Hispanics with the APOE-4 allele have a similar risk of Alzheimer's disease as whites, but those without the allele had significantly increased risks. The study suggests that there may be new genes or environmental factors involved in the disease.
A new UB study published in JAMA reveals a strong association between smoking and breast cancer risk in postmenopausal women with the slow-acting NAT2 gene. Women born with this genotype who smoked more than a pack of cigarettes per day before menopause had seven times the risk of developing breast cancer.
A genetically-engineered mouse exhibits both behavioral characteristics of Alzheimer's dementia and protein-derived plaques. The oldest mice had significantly higher levels of A-Beta peptides associated with amyloid plaques, raising questions about the relationship between plaques and behavior.