Articles tagged with Medical Genetics
A landmark study in China has established a new diagnosis framework for rare diseases, improving the diagnostic rate from 29.58% to 39%. The study analyzed genetic data from 42,703 families and identified regional differences and genetic hotspots.
Researchers uncover how EZH2 gene mutations sabotage healthy copy, leading to intellectual disability and overgrowth, with implications for related diseases and cancer. The study provides new insights into chromatinopathies and potential targeted therapies.
Researchers at the University of Waterloo have developed a novel method using modified M13 bacteria to deliver targeted gene therapies for genetic disorders. This approach shows promise as a cost-effective alternative to current methods, which can be expensive and trigger toxic side effects.
A recent study by researchers at the University of Missouri has made a groundbreaking discovery using patient's own cartilage cells to aid in healing after hip surgery. The research team successfully cultured and expanded cartilage cells, or chondrocytes, in the lab, paving the way for future clinical applications.
A Phase I/II clinical trial found that gene therapy reduced seizures, improved oral feeding, and increased production of the HexA enzyme. Participants experienced fewer and more controllable seizures, and some remained on full oral feeds for up to 27 months.
The article explores the genetic factors, epidemiological patterns, and current management techniques associated with clubfoot. Key findings highlight the crucial role of genes like TBX4, PITX1, and HOXA in limb development and tissue differentiation.
Researchers at The University of Osaka have developed a novel technology to unzip DNA's double helix structure, allowing for efficient and accurate genetic testing. The device uses a nano-sized platinum coil and precise heating to minimize DNA damage and read information from the DNA molecule.
The American Society of Human Genetics recognizes Dr. Harry Dietz for his work on Marfan Syndrome, Dr. Eric Green for his leadership in advancing human genetics and genomics, Dr. Mike Talkowski for his pioneering contributions to cytogenetics and genomic medicine, and Dr. Elizabeth Bhoj for her extensive work in translational genetics.
A new study reveals that the human gut microbiota can pinpoint an individual's city of residence with high accuracy, strongly linked to each city's characteristic diet. The researchers identified unique microbial signatures and interaction networks between cities in China, shedding light on how local environments shape our inner biology.
A University of Oklahoma researcher has made a breakthrough discovery about Friedreich’s ataxia genetic defect, revealing that the sequence isn’t always uniform as previously thought. This finding could lead to changes in diagnosis and treatment, including a milder version of the disease with slower progression.
Researchers at UC Davis MIND Institute recommend testing for specific groups, citing inadequate recognition by healthcare providers. The group of genetic conditions affects learning, development, and behavior, with millions of people unaware they carry the premutation.
A study of 365 adults found nearly one in four had a genetic condition causing their ICU admission, which was unknown to nearly half of those patients and their doctors. The researchers recommend offering genetic testing to all adults admitted to the ICU to improve care and reduce health disparities.
Dr. Mirko Manchia's groundbreaking research identifies genetic markers predicting treatment response in bipolar patients, enabling precision medicine approaches to transform psychiatric care. He envisions a future where genetic testing becomes routine in psychiatric care.
Researchers have identified a gene signature indicative of hepatic ferroptosis using an iron overload-induced mouse model and validated it in human liver injury systems. The study highlights the role of ferroptosis in liver injuries and offers potential therapeutic targets.
The Association for Molecular Pathology publishes guidelines for detecting homologous recombination deficiency (HRD) in cancer. The report includes recommendations for clinical laboratories, addressing technical aspects of genomic instability and HRD analysis.
A new international study identified two distinct genetic signatures for complex forms of Alzheimer's disease, with one primarily driven by apolipoprotein E and the other involving a combination of 75 additional genetic variants. This shared biological mechanism is largely consistent across global populations.
Researchers at Rutgers University have developed a portable device capable of detecting rare genetic mutations from a single drop of blood. The device combines allele-specific polymerase chain reaction with electrical impedance to quickly and accurately test for conditions like hereditary transthyretin amyloidosis.
Researchers developed a new computational tool using generative AI to identify key gene combinations underlying complex illnesses. The method amplifies limited gene expression data, enabling researchers to resolve patterns of gene activity that cause complex traits.
A new AI tool developed by University of Missouri researchers can predict the 3D shape of chromosomes inside individual cells, providing a new view of how genes work. The tool helps identify unique differences in chromosome folding between cells, which controls gene activity and can lead to diseases like cancer.
A recent epigenetic study identified RABGGTB as a promising biomarker for autism spectrum disorder, revealing extensive DNA methylation abnormalities in key brain regions. The findings suggest that studying this gene could unlock new doors to understanding ASD and lead to future diagnostic breakthroughs.
Researchers have synthesized cutting-edge findings on Prader-Willi syndrome, revealing its unique link to autism spectrum disorder and psychotic spectrum disorders. The condition's distinct genetic subtypes correlate with specific psychiatric outcomes, offering critical insights into the interplay between genetics and psychiatric vulne...
A new study reveals that inherited germline genetic variants significantly influence the biology of tumors, altering protein activity, gene expression, and tumor interactions with the immune system. The research suggests that considering a patient's inherited DNA could refine diagnosis, risk prediction, and therapy selection.
Researchers used mice to examine the activity of two neuronal proteins linked to autism. They found that a natural balance between MDGA2 and BDNF maintains normal neuron activity, but disruption can lead to ASD-like symptoms. This study suggests MDGA2 and BDNF as promising therapeutic targets for future treatments.
Dr. Monica Wojcik, a neonatologist and clinical geneticist, receives the prestigious award for her innovative research and clinical practice focused on rare diseases affecting fetuses and newborns. Her work aims to improve diagnosis, treatment, and health services for families affected by these conditions.
Ali H. Bereshneh, PhD received the award for his work on heterozygous De novo variants in CDKL1 and CDKL2, causing neuroregressive phenotypes in humans and Drosophila. He established a comprehensive Rare Neurogenetic Disorders Registry for Iran.
The ACMG Foundation has presented four Next Generation Fellowship Awards to talented clinicians, researchers, and scientists. These winners are making significant impact in the field of genomics, advancing diagnosis, and patient care. The award recognizes their dedication to innovative approaches and commitment to improving healthcare ...
Isabelle Cooperstein, a PhD candidate, receives the ACMG Foundation/Revvity Early Career Travel Award for her work on developing computational tools for rare disease patients. Her research integrates phenotypic and genomic data to create accessible solutions.
Dr. Kiely N. James received the 2025 Richard King Award for her published article on genome sequencing and its clinical relevance. The award aims to encourage high-quality research in Genetics in Medicine, an official journal of the American College of Medical Genetics and Genomics.
A team of computer engineers developed PhyloFrame, a machine-learning tool that accounts for ancestral diversity in genetic data. This improves precision medicine outcomes by predicting differences between subtypes of diseases and suggesting personalized treatments regardless of patient ancestry.
Researchers outline critical safeguards needed to balance public health benefits with Indigenous data sovereignty rights. The study highlights the risks of DNA persistence in wastewater samples, which can reveal sensitive information about community health.
Researchers discovered a genetic mutation that increases glycine decarboxylase enzyme, linked to schizophrenia behaviors in mice. The study provides a direct genetic link to psychosis and sheds light on the biochemical pathways involved.
A groundbreaking study analyzed data from over 78,000 cancer patients to identify nearly 800 genetic changes impacting survival outcomes. The research also discovered genes significantly associated with survival in various cancers, such as breast, ovarian, skin, and gastrointestinal cancers.
A large-scale study has identified genetic overlaps in 72 long-term health conditions associated with ageing, revealing opportunities for new prevention and treatment strategies. The research also found that specific genes are linked to co-occurring conditions, leading to a more personalized approach to care.
Researchers developed a method to detect H3K27M-mutant droplets from circulating tumor DNA in cerebrospinal fluid, enabling early diagnosis and treatment of leptomeningeal disease. This approach improved survival rates for patients with diffuse midline gliomas.
The International Alliance for Primary Immunodeficiency Societies has partnered with Rockefeller University Press to launch the Journal of Human Immunity, an open-access journal focused on human immunity and inborn errors of immunity. The journal aims to provide a platform for groundbreaking research and attract top-tier submissions.
Researchers identified a novel genetic risk factor for SARS-CoV-2 infection, linking a PTPN2 variant to increased ACE2 expression and susceptibility. The study suggests Tofacitinib may mitigate this risk, offering new treatment options for patients at higher genetic risk.
Researchers found that bumetanide treatment normalizes neonatal social communication in newborn pups with the fragile X mutation, but reduces post-pubertal social interaction. The study suggests stage-specific effects on social development and raises questions about timing and dosing of bumetanide for targeted interventions.
Scientists investigated the role of ancient VR type-1 (ancV1R) receptor in pheromone detection using knockout mice. The study found that ancV1R-deficient female mice had impaired pheromone detection and exhibited abnormal sexual behavior.
A new University of Texas at Arlington study provides a comprehensive genetic map of the common bedbug Cimex lectularius, enhancing scientific investigations into pesticide resistance and developing targeted pest control strategies.
The American Heart Association warns hunters about the increased risk of heart attack and stroke due to exertion, cold temperatures, and excitement. Hunters should recognize symptoms, take breaks, and have a plan in case of emergencies. Learning Hands-Only-CPR can also save lives.
A team of researchers has identified a genetic link between rare brain malformations and protein folding defects in children. The study found that specific genetic changes can affect the function of proteins within cells, leading to abnormal cell behavior.
Researchers found that female mouse models of Rett syndrome have a mosaic-like distribution of cells expressing wild-type and mutant MeCP2 protein, leading to dysregulated genes. The study also discovered an unusual disease progression, with females having more dysregulated genes at the pre-symptomatic stage than later on.
Researchers have conducted the largest genomic survey of the syphilis bacterium to date, correlating genetic data with clinical information to identify potential targets for a vaccine. The study found differences in bacterial strains between continents, but also similarities that suggest a global vaccine could be effective.
A genome-wide association study found that three sequence variants in genes CCDC141 and SCN10A increase the risk of rhythm disturbances in individuals with accessory pathways. These variants are common, affecting up to 62% of carriers, and associate with increased conduction velocity and heart rate regulation.
Researchers at CNIC discover clonal hematopoiesis as a new cause of atherosclerosis, while identifying the ancient medication colchicine as a potential treatment. Clonal hematopoiesis is linked to an increased risk of cardiovascular disease, with no influence on the progression of mutated blood cells.
A study published at Uppsala University found that chronic cough is hereditary, with a 50% increased risk for offspring if one parent has the condition. The research also revealed differences in care between regions and highlights the need for better guidelines.
Researchers found large language models are more accurate with concise, textbook-like medical questions than patient-written summaries. The models achieved higher accuracy when using standardized language, but struggled with variable phrasing and format of patient write-ups.
The study reveals that the TAL1-microRNA axis is involved in the development and progression of T-cell acute lymphoblastic leukemia. The inappropriate expression of TAL1 leads to the downregulation of tumor suppressor miR-146b-5p, enhancing invasive properties of leukemia cells.
The Collaborative Ethics model, developed by Jeantine Lunshof and Julia Rijssenbeek, aims to address ethical implications of emerging technologies from fundamental discoveries. By integrating philosophical and ethical reassessment into research processes, the model facilitates decision points for researchers and ethicists.
A new genetic cause of obesity has been discovered, linking it to the SMIM1 gene variant. People with this variant tend to expend less energy when at rest, leading to excess weight and increased risk of obesity.
A study using induced pluripotent stem cells has revealed that inflammation triggered by retrotransposons and interferon signaling causes atherosclerosis in Werner syndrome patients. The researchers propose targeting the interferon signaling pathway as a potential treatment for reducing stroke and heart attacks.
Researchers have found that approximately one in 40 human bone marrow cells carry massive chromosomal alterations without causing any apparent disease or abnormality. Cell samples from people over 60 tend to have higher numbers of cells with such genomic alterations, suggesting a possible connection to ageing-related diseases.
The study highlights the importance of protease-activated receptors (PARs) in cancer growth and development, with PH-binding motifs identified as a key platform for drug design. The researchers suggest that targeting PARs could provide an alternative to current oncogenic pathways.
Mutations in the MAGEL2 gene lead to truncated, non-functional proteins accumulating in the cell nucleus, causing congenital malformations and intellectual disability. Researchers aim to develop patient-specific gene therapies to prevent altered protein synthesis and address this rare disease without treatment.
The study provides a comprehensive understanding of TRAF7 syndrome, a rare neurological disorder characterized by cardiac, facial, and digital abnormalities. The research highlights the importance of comprehensive clinical assessment and proposes evidence-based guidelines for managing patients with TRAF7-related CAFDADD syndrome.
A large-scale study has identified over 2,000 genetic signals associated with blood pressure, providing a more detailed understanding of the complex trait. The findings lead to improved polygenic risk scores, which can predict blood pressure and hypertension risk.
Scientists have identified the genetic mutation that causes SCA4, a progressive neurological disorder. The mutated gene ZFHX3 leads to impaired protein recycling in nerve cells, causing symptoms such as difficulty walking and balancing. This discovery opens the door to potential treatments for both SCA4 and another related form of ataxia.
A machine learning system called AI-MARRVEL, developed by Baylor College of Medicine, has shown promising results in diagnosing rare Mendelian disorders. The system consistently ranked diagnosed genes as the No. 1 candidate in twice as many cases than other benchmark methods.
Individuals at high genetic risk of obesity needed higher daily step counts to reduce obesity risk. Population-based recommendations may underestimate physical activity needed among those at high genetic risk.
Researchers analyzed Beethoven's DNA to investigate his genetic musical predisposition, finding an unremarkable polygenic score compared to population samples. The study suggests that while DNA contributes to musical skills, environment plays a key role in musical ability and engagement.