A new method reveals previously unknown control genes in Saccharomyces cerevisiae, enabling insight into the roles of regulatory genes and their targets. The method predicts functions of regulator genes and their targets, shedding light on gene regulation and its implications for cell function and disease.
A new mutation, R245X, has been identified as a significant cause of USH1 in the Ashkenazi Jewish population. Early diagnosis through molecular screening can lead to earlier intervention, including cochlear implants and ophthalmologic evaluations, improving the quality of life for affected children.
A study published in the American Journal of Human Genetics has identified two overlapping genes on chromosome 13 as increasing susceptibility to bipolar disorder, affecting 2 million Americans. The same gene complex is also linked to an increased risk for schizophrenia.
The study generates a comprehensive description of human chromosome 7, including medically relevant landmarks and disease-related mutations. The database is publicly accessible, enabling healthcare professionals and researchers to identify specific genes associated with diseases such as autism.
The International Congress of Genetics will consider the implications of the genetics revolution on global food security, health care, and social justice. The event aims to provide representation from developing countries, which have the most to gain and lose from genetic advancements.
Researchers at the University of Minnesota developed a reliable diagnostic test for myotonic muscular dystrophy type 2 (DM2), revealing it occurs in many families of Northern European ancestry. The new test uses DNA amplification and verification to detect the disease, addressing difficulties in correct diagnosis.
Researchers found that North American red squirrels are adapting to warmer temperatures by advancing their breeding cycle by 18 days over 10 years. The team used quantitative genetics to separate individual plasticity from genetic adaptation, revealing a long-term trend of phenotypic plasticity.
A study of 143 individuals over 60 years old found that those with longer telomeres lived four to five years longer than those with shorter ones. People with shorter telomeres had significantly higher mortality rates from heart disease and infectious diseases.
A study by UCSF researchers reveals that the human gene BOULE regulates meiosis in sperm development, a key step in creating sperm and eggs. The finding has significant implications for understanding infertility and developing new treatments, including drugs to assist immature sperm cells or block sperm maturation.
The International Collaborative Genetics Research Training Program will help reduce health disparities through the use of genetic sciences. The six new projects will provide educational opportunities at various levels and contribute to the capacity of developing country scientists to conduct human genetics research.
The program aims to seed China with genetic expertise, focusing on medical genetics and responsible use of genetic research. Trainees will receive instruction in genetic epidemiology and biostatistics, as well as opportunities for postdoctoral positions or graduate studies.
Researchers found that glutinous rice originated in Southeast Asia due to a single genetic mutation in the Waxy gene, which suppresses amylose and gives it its sticky composition. The study also suggests that early Asian farmers selectively bred glutinous rice for its desirable traits.
Dr. Albert de la Chapelle, an Ohio State University scientist, has spent 40 years studying the complex relationship between genetic mutation and disease. He has made groundbreaking discoveries on inherited diseases, including leukemia and lymphoma, as well as rare disorders like diastrophic dysplasia and Usher syndrome.
A study published in Nature Genetics reveals a gene mutation underlying Amish microcephaly, a birth defect marked by a small head and brain size. The researchers found that the defect disrupts mitochondrial function, leading to abnormal brain development.
The international Type 1 Diabetes Genetics Consortium will collect and analyze genetic data from 2,500 families worldwide to identify genes contributing to the disease. The consortium aims to clarify the complex interaction between genetics and environment in type 1 diabetes.
The primer series provides a historical background of genetics and the sequencing of the human genome, as well as principles and methods in molecular biology. The authors highlight the potential benefits of the genomic revolution in understanding diseases such as cancer, heart disease, and Alzheimer's disease.
A new virtual clinic, developed by Dartmouth Medical School, aims to improve understanding of genetic testing and services among non-geneticists. The program uses interactive multimedia and expert simulations to train healthcare providers on genetics in clinical practice, working with labs and genetic counselors.
The Lancet neurology reviews research on migraine genetics, highlighting the challenges of identifying genes involved in the disorder. The article also examines the implications of private diagnostic testing without physician support, sparking debate about its role in advancing treatment options for neurological diseases.
The Harvard Medical School consortium aims to engineer microorganisms to handle hazardous chemical waste and produce energy sources. By studying the unique interactions of their proteins and interrelationships with their environments, scientists will develop cost-effective ways to clean up pollution and advance biological-based energy.
Researchers have successfully mapped the genetic regions responsible for Hirschsprung disease, a rare inherited disorder affecting the intestines. The study reveals that three crucial regions on chromosomes 3, 10, and 19 contribute to the disease's complex inheritance pattern.
Dr. Larysa Pevny, a UNC neuroscientist, has received a $1 million federal grant to study the genetics of neural stem cells and their potential in developing transplantation therapy for neurodegenerative diseases. Her research aims to understand the cellular and molecular mechanisms involved in regulating neural stem cell differentiation.
The Phoebe R. Berman Bioethics Institute at Johns Hopkins University is establishing a Genetics and Public Policy Center with a $9.9 million grant from the Pew Charitable Trusts. The center will explore policy options for reproductive genetic technologies, including gene selection in humans.
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.
The NIH has awarded a $6 million grant to researchers at UCLA to expand the Autism Genetic Resource Exchange (AGRE) gene bank and gather more information on autism. The study aims to identify genetic vulnerabilities in individuals with autism, which may lead to new treatments and therapies.
Researchers discovered the CASQ2 gene mutation responsible for PVT (Pericardial Ventricular Dysfunction), a fatal heart condition. The study found that the mutation impairs calcium ion release, leading to heart failure.
A new study reveals that data, materials, and information are often kept secret in academic genetics, hindering scientific progress. The survey found that 47% of geneticists were denied access to resources at least once in the past three years.
Researchers at Stanford Medicine developed a system to study genetics and evolution in natural populations using the three-spine stickleback fish. They found parallels between laboratory genetics and evolutionary changes in the fish, suggesting that evolution can occur through large-effect gene changes.
The International Collaborative Genetics Research Training Program aims to reduce health disparities through genetic sciences. The program provides Ph.D. and Master's level education, addressing ethics, social, and legal implications of genetics research in low- & middle-income countries.
Research finds that genetics, age, and depression are significant predictors of arthritis, while openness is linked to effective mental functioning among aging African Americans. The study also suggests a strong genetic influence on several measures of well-being, including life satisfaction and depression.
The symposium explores the effects of genetics research on social organization, human nature, and what it means to be human. Experts discuss race, ethnicity, genes, and human potential, with a focus on values, ethics, and social impact.
Researchers have identified 156 probable membrane proteins that could serve as new drug targets to combat antibiotic-resistant salmonella. The study also revealed two previously unknown gene clusters required for producing hair-like strands on the bacteria's surface.
The collaboration between Myriad Genetics and the University of Utah revealed that the Tsg101 protein is essential for HIV1 budding, allowing for the disruption of the virus lifecycle. This breakthrough led to the identification of potential HIV drug targets, with lead compounds developed for anti-HIV therapy.
A Rutgers computer research team is developing a genetic linkage map that may help scientists identify the DNA differences predisposing people to complex diseases. The map will analyze data from over 2,000 single nucleotide polymorphisms (SNPs) to track genes contributing to disease.
A new study on identical twins found that genetics plays a predominant role in differences in cholesterol levels, but diet also significantly contributes to variations in cholesterol levels. The researchers controlled for genetic factors and found an environmental association between diet and cholesterol levels.
Researchers have uncovered evidence suggesting that genetic changes leading to breast cancer occur first in epithelial cells of breast tissue. LOH analysis reveals frequent mutations in both epithelial and stromal cells, indicating a multi-step process.
The Mayo Clinic emphasizes the need for quality web-based genetics information for patients and physicians. Researchers found that patients often turn to the internet for genetic information, but may find it confusing and inaccurate. Centralizing access to reliable websites and improving readability could address these issues.
Researchers pinpointed the gene on chromosome 3 that causes myotonic muscular dystrophy Type 2 (DM2), a complex disease affecting multiple systems. The discovery allows for the immediate development of a genetic test and paves the way for a more complete understanding and treatment of this form of muscular dystrophy.
Researchers have identified a genetic mutation, FOXL2, responsible for early onset of menopause in some women, who may also be born with blepharophimosis. The discovery sheds light on the role of genetics in age-related changes and may lead to new insights into aging and reproductive health.
Familial Dysautonomia, a devastating disorder, has been linked to mutations in the IKBKAP gene. The gene's disruption leads to poor development and degeneration of sensory and autonomic nervous systems, resulting in symptoms such as abnormal sweating and insensitivity to pain.
Researchers at University of Wisconsin-Madison have identified the genetic basis of Alexander disease, a rare and devastating childhood brain disorder. The discovery confirms mutations in the GFAP gene as the cause, leading to an abnormal protein buildup that damages the nervous system.
Research examines 117 twins and finds that genetics account for 48-59% of periodontal disease differences. The study suggests identifying people at high risk before symptoms appear may lead to new treatment avenues.
Researchers at Massachusetts General Hospital discovered a key link between presenilin gene mutations, altered calcium handling, and amyloid-beta42 production in Alzheimer's disease. Inhibiting a specific calcium pathway may lower A-beta42 levels, offering hope for preventing or slowing the progression of the devastating disease.
Scientists have identified a major susceptibility gene for type 2 diabetes in Mexican Americans, also affecting two European populations. The discovery provides new approaches to prevention, diagnosis and treatment of the disease.
A new genetic variation in the calpain-10 gene has been identified as a significant contributor to type 2 diabetes. This discovery provides new insight into the origins of the disease and its impact on patients' lives, offering potential therapeutic approaches for treatment.
Researchers aim to unlock cellular communication secrets using air traffic control principles and develop new instrumentation for analyzing complex biological systems. The goal is to understand how genes function and design intricate electronic circuits, applying insights from computation and engineering.
Researchers found that mutations in the ABCR gene cause a wide range of eye problems, including Stargardt disease and retinitis pigmentosa. The study suggests that a single therapy designed to replace ABCR activity could alleviate or prevent retinal degeneration.
Researchers find nearly 99% identity in X and Y chromosome regions, revealing a much smaller difference in mutation rates. This discovery suggests that genetic-disease-producing mutations must be explored for individual underlying causes, potentially changing the understanding of inherited diseases.
The Ohio Board of Regents has awarded a $321,780 grant to Case Western Reserve University's School of Medicine to enhance neurogenetics research. The medical school plans to recruit a new faculty member with expertise in neural molecular genetics and establish a neural transgenic/behavioral testing core facility.
Researchers have identified a gene associated with inherited primary pulmonary hypertension, providing new avenues of study for determining its molecular basis. The discovery opens up possibilities for designing more effective therapies for this devastating condition, which affects primarily women of childbearing age.
Researchers localized autism and developmental language disorder to the same position in the human genome, suggesting a genetic relationship between the disorders. The findings also explain why language difficulties are more prevalent in siblings and parents of individuals with autism.
A recent study published in The American Journal of Human Genetics has found a major genetic component to TB susceptibility, specifically in a group of aboriginal Canadians. Individuals with at least one high-risk copy of the NRAMP1 gene are ten times more likely to develop TB than those without it.
Researchers have pinpointed a genetic error in the VEGFR3 gene responsible for hereditary lymphedema, a condition affecting millions worldwide. This discovery enables genetic testing and provides a therapeutic target for inherited forms of lymphedema.
Researchers at Children's Hospital of Philadelphia uncover the connection between chromosome 22's chemical structure and genetic diseases like +der(22) syndrome. They found unstable DNA sequences that can lead to translocations, increasing the risk of disease.
Researchers discovered a new gene, neurofilament light, associated with Charcot-Marie-Tooth disease, which affects peripheral nerves and leads to progressive weakness. The defect is linked to demyelination, resulting in axonal loss and muscle denervation, also seen in other neurological disorders like Parkinson's and Alzheimer's diseases.
A Phase I study of aerosolized administration of tgAAV-CF showed efficient gene transfer throughout the upper airways of patients with mild CF lung disease. No neutralizing antibodies were detected, suggesting a good safety profile for further development.
Targeted Genetics Corporation has shown promise in its AAV gene therapy program for rheumatoid arthritis (RA), reducing ankle and hind paw swelling in preclinical studies. The treatment uses a recombinant TNFR:Fc fusion protein, which antagonizes the function of TNF-a, a key component of the inflammatory response.
Matthew Warman, an assistant professor of genetics and pediatrics at CWRU, has been selected as a Hughes assistant investigator by the Howard Hughes Medical Institute. He will receive funding for his research on rare and common human genetic diseases, aiming to improve human health.
The company presented Phase II data of tgDCC-E1A, a lead cancer therapy, which showed a 45% objective response rate in patients with recurrent head and neck squamous cell carcinoma. Preclinical studies also demonstrated the ability of E1A to sensitize tumors to radiation and chemotherapy.
Researchers are conducting a nationwide study to identify genes that predispose individuals to major mental illnesses such as depression, bipolar disorder and schizophrenia. The study aims to develop better treatments and tailored medications for these disorders, which often run in families.
Scholz et al. study reveals significant genomic differences between Neandertal and human fossils, suggesting separate evolutionary histories. The researchers used a novel method to assess cross-hybridization of fossil DNA, allowing them to distinguish two well-defined Neandertal fossils from modern humans.