Articles tagged with Molecular Genetics
Researchers studied MALAT1 levels in a woman with triple-negative breast cancer, finding high levels at diagnosis and decreased while receiving treatment. Notably, levels increased at a distant metastatic site, suggesting MALAT1's role in TNBC's spread. The study informs future treatments and potential clinical trials.
Researchers reveal how single genes producing multiple proteins impact health and rare diseases, providing a new understanding of genetic mutations and their effects. The study identifies cases where mutations affect only one protein, leading to distinct symptoms and severity.
A team of plant biotechnologists at Texas Tech University has developed a groundbreaking method to accelerate crop creation, bypassing the time-consuming process of tissue culture. The new technique enables plants to grow new shoots directly from wounded tissue, eliminating the need for traditional lab-based regeneration steps.
Researchers at OIST develop a new method harnessing 'jumping genes' to recreate the termite tree of life, providing a template for solving ancient evolutionary mysteries. The study achieves similar accuracy to trees built from thousands of protein marker sequence alignments.
Researchers have discovered a key role for the Frazzled protein in fruit fly neural circuits, revealing how it helps neurons form reliable connections. The study showed that when Frazzled is missing or mutated, neurons fail to form proper electrical connections, leading to communication breakdowns.
Researchers have discovered that HSL plays an unexpected role in the nucleus of fat cells, helping maintain healthy adipose tissue. This new understanding challenges 60 years of certainty about fat metabolism and offers avenues for better understanding metabolic diseases such as obesity.
Researchers used CRISPR technology to identify HMGN1, a nuclear binding protein that contributes to trisomy 21-related CHDs. The study found that an overabundance of HMGN1 leads to abnormal heart development and gene expression.
The Global Pathogen Analysis Platform (GPAP) will enable low- and middle-income countries to conduct research and surveillance of infectious diseases independently. The platform aims to prevent disease outbreaks from developing into pandemics by detecting genetic sequences of potential pathogens.
Researchers used a new high-resolution mapping technique to find small 3D loops connecting regulatory elements and genes that persist during cell division. These loops strengthen when chromosomes become more compact, potentially helping cells 'remember' interactions from one cell cycle to the next.
A new method called GenomePAM enables targeted modification of genomes using CRISPR technology. This breakthrough accelerates the development of precision gene editing tools and advances clinical drug development.
A new project aims to enhance workforce readiness in molecular bioscience by creating open-access resources and modules tailored to student needs. The Molecular Data Education Hub will host instructional materials and case studies for instructors to implement into their courses.
Scientists developed a new single-cell study tool to uncover links between genetic variants and disease. The SDR-seq tool captures genomic variations and RNA together, increasing precision and scalability compared to previous technologies.
Researchers identified a previously unknown gene, SMARCAL1, that increases the risk of developing osteosarcoma in children and young adults. The study found that approximately 2.6% of children with osteosarcoma carry inherited mutations in SMARCAL1, which may weaken DNA repair and promote tumor growth.
A new study calls for standardized, transparent, and reproducible methods to evaluate frailty in preclinical aging studies. The researchers analyzed 18 rodent studies and found substantial variation in how frailty is defined and measured.
Research from Cornell University found that people with stronger social connections over a lifetime experience slower biological aging. Higher cumulative social advantage was linked to lower levels of inflammation and younger profiles on epigenetic clocks. Sustained social networks built across decades contribute to healthier aging.
A major albinism gene's exon skipping levels control human skin and hair color diversity. Researchers found that OCA2 exon 10 skipping contributes to hypopigmentation, shedding light on the genetic basis of human pigmentation.
A landmark study reveals that a specific event guides the accurate distribution of chromosomes in egg and sperm cells, ensuring unique gene combinations. The research sheds light on fertility issues and potential treatments, with implications for human reproduction.
Researchers at Stowers Institute for Medical Research have identified the precise location where human chromosomes break and recombine to form Robertsonian chromosomes. The study reveals that repetitive DNA sequences play a central role in genome organization and evolution, explaining how these rearrangements form and remain stable.
Researchers develop a new approach for treating inflammatory bowel diseases by delivering locked nucleic acids (LNAs) to the relevant organ using lipid nanoparticles. The study shows improvement in inflammation markers with no side effects, paving the way for potential treatments of rare genetic disorders and other diseases.
Researchers at Thomas Jefferson University reconstructed transcription in human mitochondria, showing how the molecular machinery works and revealing potential drug targets. This breakthrough could guide new therapies for mitochondrial diseases, affecting one in 5,000 people worldwide.
Genomic imprinting discovered by Davor Solter and Azim Surani reveals maternal chromosomes contribute essential information missing in paternal chromosomes. This phenomenon, coined genomic imprinting, involves tiny methyl groups attached to DNA's four bases regulating fetal growth and development.
A recent study from the University of Illinois Urbana-Champaign sheds new light on the origin and evolution of the genetic code, providing valuable insights for genetic engineering and bioinformatics. The research team found that the genetic code's origins are mysteriously linked to the dipeptide composition of a proteome, with dipepti...
UCSF researchers develop a new strategy to prime CAR T cell therapy by combining it with diabetes drugs, increasing the efficacy of NECTIN4-CAR T cells in treating urothelial carcinoma. The study shows that using thiazolidinediones enhances NECTIN4 expression, making tumor cells more susceptible to the treatment.
A new method called spVelo calculates RNA velocity to understand how cells become specialized. By incorporating spatial information and processing multiple batches at once, the method overcomes previous challenges.
Researchers at Aarhus University have developed a method to measure plant roots using DNA technology, revealing their essential role in food production and climate. The new method enables accurate measurement of biomass and species distribution, opening up applications in climate research, plant breeding, and biodiversity analysis.
A new bioinformatics-based method, fDOG, has been developed to search for genes with certain functions, including those involved in plant cell wall degradation. The study reveals a detailed global map of enzymes capable of degrading plant cell walls, with surprising discoveries among fungi and animals.
Cells use a stopwatch-like mechanism to measure the length of messenger RNA (mRNA) tails, achieving molecular accuracy in vital processes like gene expression. The discovery reveals that two proteins, CPAC and Nab2, set the tail's length by timing their interaction, with the final length determined by a race between their speeds.
Researchers discovered that disordered regions enhance specific RNA interactions in FUS protein-RNA complexes, revealing a breakthrough strategy for nucleic acid binding. The study suggests that intrinsically disordered regions actively contribute to the RNA-binding mechanism.
Researchers have developed 'molecular scissors' that can precisely and permanently disable the hepatitis B virus's hidden genetic material. The treatment has shown promising results in laboratory tests and HBV-infected mice, with a 99% reduction in circulating viral DNA. This innovation represents a significant step towards a functiona...
A recent study developed a highly accurate risk prediction framework for preterm birth using genomics, transcriptomics, and large language models. The model achieved an AUC of nearly 90%, making it the most powerful approach in predicting preterm birth.
A recent study by researchers at The University of Osaka discovered the crucial role of DNA repair enzyme Polβ in safeguarding the developing brain from harmful mutations. Accumulation of indel mutations near CpG sites may contribute to neurodevelopmental disorders.
Researchers identify two distinct gene transcripts, SiMYB2-Long and SiMYB2-Short, that regulate anthocyanin accumulation and pigment pattern formation in Saintpaulia flowers. The study reveals the genetic basis of flower patterning, potentially enabling more deliberate breeding of patterned flowers.
Researchers found that Fen1 protein improves cell tolerance to alovudine by counteracting the toxic effect of 53BP1. This discovery promises new cancer treatments and biomarkers for cancerous cells with Fen1 deficiency.
Scientists have discovered that MYOD protein can act as a gene silencer, clearing out old 'furniture' to reset the cell's identity. This finding challenges dogma and opens up new avenues for understanding cellular reprogramming and regenerative medicine therapies.
Researchers at Cold Spring Harbor Laboratory have deciphered the first step in DNA replication, a process crucial for life. The study identifies over 100 proteins essential for this mechanism, which enables cells to duplicate genetic material efficiently.
Researchers investigated pipetting speed's effect on yeast growth and gene expression, finding it had little to no impact within a tested range. The study provides guidelines for increasing efficiency and reproducibility in robot-based experiments.
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.
A new study by University of South Australia researchers uses genetic recall to explore links between multiple sclerosis (MS) and the Epstein-Barr virus. The study aims to identify early warning signs or biomarkers for MS, enabling early detection and intervention.
A new method called DynaTag has been developed for mapping protein binding to DNA, providing high-resolution results. This innovation enables the analysis of single cells across various tissues and enhances understanding of developmental biological processes and disease mechanisms.
Researchers developed a chemical probe that binds to damaged mitochondrial DNA, blocking enzymatic processes that lead to its degradation. This approach lessens mtDNA loss, preserving energy production in vulnerable tissues. The new molecule successfully reduced inflammation and maintained functional DNA despite chemical tagging.
A new approach for understanding chromatin's 3D structure and its influence on gene regulation has been developed by scientists at Sanford Burnham Prebys. The method measures a genomic region's proximity to the isolated center of a chromatin clump, revealing that surface regions are more active than core regions.
Researchers from Tel Aviv University and the Israel Institute for Biological Research have developed an mRNA-based vaccine against pneumonic plague, a disease caused by Yersinia pestis. The vaccine showed 100% protection in animal models and offers hope for combating other lethal bacteria.
A team from Kyushu University has discovered that the smallest known protein-based tRNA-processing enzyme, HARP, forms a star-shaped complex to cut both ends of tRNA. This finding sheds light on how HARP processes the 5' leader sequence and reveals a new mechanism for RNA processing.
Researchers at the University of Sydney developed a biological 'artificial intelligence' system called PROTEUS, which can accelerate cycles of evolution and natural selection to create molecules with new functions in weeks. The system has potential applications in finding new medicines and improving gene editing technology like CRISPR.
A study by RPTU researchers reveals that abnormal chromosome numbers lead to impaired mitochondrial function, which could be relevant for drug treatment of cancer. Cells with extra chromosomes accumulate protein aggregates containing a specific receptor, impairing mitochondrial precursor proteins' passage into the mitochondria.
A new study found that telomere shortening is not a shared characteristic of all progeroid syndromes, which cause individuals to display symptoms of aging far earlier than expected. The research suggests that the underlying biology of each syndrome plays a crucial role in determining whether telomere shortening occurs.
Researchers discover vitamin C promotes epidermal thickening by reactivating genes essential for skin cell growth, suggesting a promising treatment for thinning skin in older adults. Vitamin C supports active DNA demethylation by sustaining TET enzyme activity.
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.
The new resource provides a detailed map of blood regulatory variation in South Africans, enabling researchers to interpret genetic variations using genome-wide association studies (GWAS). This innovation has the potential to uncover why people from specific genetic backgrounds may be more susceptible to certain diseases.
Researchers at UCLA have discovered a chromatin-based strategy that enables cells to rapidly produce proteins when nutrients are scarce. This 'priming' mechanism, driven by the MYC gene, allows cancer cells to adapt and survive under metabolic stress.
The Association for Molecular Pathology (AMP) has announced the election results for 2026-2027 leadership positions, including President-Elect Yassmine M.N. Akkari and Secretary-Treasurer Jonathan A. Nowak. The newly elected leaders will drive AMP's mission to advance molecular diagnostics.
A research team from The University of Osaka developed a self-regulating mRNA medicine that adapts to changes in the body, producing just the right amount of therapeutic protein. This innovation could be particularly useful for conditions like chronic pain or inflammatory diseases.
Researchers found that combining selinexor with Irinotecan shrunk tumors in preclinical models of colorectal cancer, suggesting a new potential treatment. The study also identified XPO1 mutations linked to rare cancers like endometrial cancer and found that these mutations make cells resistant to chemotherapy.
Researchers identified a gene mutation that disrupts iron absorption in patients with Crohn's disease, leading to persistent anemia. The study sheds light on how genetic risk factors for IBD can compound patient symptoms by interfering with nutrient absorption.
Researchers discovered that Nup98 forms droplet-like structures to protect broken DNA in tightly packed zones, allowing for accurate repairs and reducing genetic mistakes. This finding has implications for cancer and aging, with potential applications for therapies that mimic Nup98's protective functions.
A Chinese Medical Journal study investigates the role of non-coding RNAs in pancreatic cancer, revealing how dysregulation of these molecules contributes to tumor growth and treatment resistance. The research highlights potential therapeutic targets for this devastating disease.
Researchers at Weizmann Institute of Science discovered that nerve cells can sense mechanical forces in fat tissue, regulating brown fat activity and influencing energy balance. Mice lacking this sensing ability were resistant to obesity and metabolic conditions.
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 new study reveals that the weight of fathers during adolescence can harm genes in future children, linked to asthma, obesity, and low lung function. The effect is more pronounced in female children, highlighting a potential vulnerability window for lifestyle influences.
As women age, more genes on their X chromosomes escape silencing, potentially influencing disease. This epigenetic change may explain sex-based differences in age-related diseases.