Researchers at UCLA Health have shown that boosting the activity of a healthy gene copy can offset the effects of a mutation linked to autism. The approach, using a modified form of CRISPR, targets enhancers to control gene expression, offering a new direction for treating autism and related neurodevelopmental conditions.
Scientists identify chimeric RNA molecules as essential in cellular health and disease, finding they play a wide variety of critical roles in vital cellular processes. Faulty chimeric RNA are often malfunctioning in breast cancer tumors, prompting new cancer treatments targeting specific chimeras.
A new study published in Science Advances found evidence of genetic conflict between mothers and babies in fish with placentas, suggesting pregnancy creates competing interests. This conflict may influence genomic imprinting, a process that regulates gene expression and affects a baby's growth.
Research team discovers that nuclear softening during the two-cell stage of mouse embryonic development is vital for major zygotic gene activation and proper embryonic development. Nuclear softening allows for the expression of 2,000 genes necessary for embryonic development, facilitating proper development.
A new study reveals that the CASS4 gene plays a crucial role in Alzheimer's disease by directing brain-cleaning immune cells, which can be disrupted leading to the buildup of toxic plaques. This discovery offers new hope for the development of treatments or prevention strategies by targeting the gene or microglia in the brain.
Researchers found that H3mm15, a histone variant differing from H3.3 by three amino acids, contributes to normal sperm development in mice by regulating gene expression. The study found that H3mm15 forms less stable nucleosomes, leading to changes in chromatin behavior and gene regulation.
The grant will support Dr. Flanagan-Steet's research into understanding how metabolism and glycosylation work together during normal development and disease onset. The study aims to identify common biological pathways that contribute to rare diseases, with the ultimate goal of developing new treatments.
A study by Saitama University reveals that Hox9–10 genes play a crucial role in the early establishment of hind appendage progenitors in zebrafish and the Iberian ribbed newt. This finding provides a developmental connection between the posterior Hox code of the body axis and the Hox system used to build paired appendages.
Researchers at Texas A&M University made a groundbreaking discovery about the origins of life by using light-based technologies to analyze thymine and uracil under controlled UV conditions. They found that thymine acts as a molecular sunscreen, absorbing harmful UV energy and making it easier for genetic molecules to self-repair. This ...
Researchers used DNA Typewriter to record cell lineage in mouse embryos, revealing key findings on cell fate and development. The study found that blood cells and retina committed early, while skin cells committed later, with cell fate not locked in at once.
Tortoise beetles use a yellow pigment gene to create protective spheres for symbiotic bacteria, which are essential for their survival. The spheres are made from a dense, glue-like matrix formed from the yellow protein, and are essential for the bacterium's digestion and survival.
Researchers uncover a previously unknown extinct bovine species in Siberia, diverging from modern yaks around 400,000 years ago, and shedding light on the impact of climate warming on biodiversity. The species became extinct around 27,000 years ago, leaving behind a genetic legacy that highlights the region's biodiversity hotspot.
Researchers found that a Western-style diet exacerbated male infertility in mice with genetic mutations, leading to lower fertility and poorer sperm quality. The study suggests that lifestyle factors contribute to the severity of infertility in men with underlying genetic susceptibility, providing new insights into personalized fertili...
A new research tool, PGS-TRI, analyzes family data to understand how genetics and environment contribute to autism risk. The tool provides a more precise look at how 'nature' and 'nurture' interact within families, allowing researchers to better understand the complex factors that shape a child's health.
Researchers discovered that moth flies use a different genetic pathway than fruit flies to establish the head-to-tail axis. The odd-paired gene ensures correct body segment formation, but its expression is earlier and localized to the egg's prospective head region in moth flies.
A team identified GABPA as the missing link recruiting Integrator complex to target specific genes. Biochemical and structural analyses confirmed direct interaction between GABPA and Integrator's endonuclease module.
A new study reveals that avocado trees alternate between male and female flowers based on a single gene that evolved about 42 million years ago. This genetic mechanism helps prevent self-pollination and inbreeding, allowing avocado breeders to sort seedlings more efficiently.
A study by John Innes Centre researchers reveals that inner tissues play a crucial role in shaping plant organs, contradicting the widespread assumption that external layers control growth. By analyzing cell division orientation and gene editing techniques, they discovered genes affecting stem thickness in Arabidopsis.
A new study reveals that wolves from different regions have distinct skull shapes shaped by their environment and human activities. The research highlights the importance of considering local adaptations in wolf reintroduction and conservation plans to ensure success.
Researchers mapped the human kidney's developmental axis and engineered synthetic organizer cells to recreate key signals, producing improved lab-grown organoids. These advances enable more reliable models for studying disease and evaluating potential therapies.
A recent study by University of California - Davis researchers has identified a protein called DAXX that guides the packing and folding of DNA in sperm cells. This discovery could improve treatments for couples struggling with male infertility, as well as help understand how environmental factors impact offspring health.
Recent advancements in animal models, organoid models, and bioengineered organoids have provided new tools for studying primary sclerosing cholangitis. These models replicate the effects of bile retention and inflammation, enabling studies of disease mechanisms, drug screening, and preclinical evaluation.
Researchers developed RegVelo, an AI framework that models cellular dynamics and gene regulation to predict cellular fate decisions. The model traces developmental trajectories and simulates regulatory interactions, providing insights into hidden drivers of development and potential therapeutic targets.
A new study published in Molecular Psychiatry found that child abuse is associated with disrupted development and decreased ability to maintain stable bodily functions. The research suggests that different types of maltreatment affect children differently, with boys being more susceptible to negative effects than girls.
Researchers developed a framework to study the impact of genetic variants on neurodevelopmental disorders. By analyzing induced pluripotent stem cells, they found that genetic background can lead to different clinical outcomes in individuals with the same deletion on chromosome 16.
Researchers at the UC Davis MIND Institute found that polychlorinated biphenyls (PCBs) alter genes more in females than males, with a key gene called XIST playing a protective role. Folic acid also shows promise in mitigating harmful effects of PCB exposure, particularly in women.
Aging bone repair declines due to mitochondrial DNA structures disrupting stem cell function, reducing energy production and causing cellular senescence pathways. Targeting these structures may restore balance between bone and cartilage formation during healing.
Researchers developed mosaic mini-brains to study focal cortical dysplasia type II, a condition causing seizures in children. The findings support the two-hit model, suggesting that complete loss of DEPDC5 is necessary and sufficient to initiate the disease, with mosaicism determining lesion extent.
A new University of Michigan-led research has identified a connection between keratin 16 and type 1 interferon in the molecular pathways of pachyonychia congenita. The study found that losing or altering K16 causes amplification of the inflammatory response, but also helps pump the brakes on that response.
A team of researchers found that Gli2 and Gli3 function synergistically to regulate tooth root morphogenesis. Their study revealed a critical interaction between HH signaling and TGF-β signaling, which is essential for normal root development.
Researchers found that an extra copy of chromosome 21 leads to increased levels of the ADARB1 enzyme, causing premature and excessive RNA editing in developing brain cells. This dysregulation affects how brain cells communicate and form circuits, potentially influencing neurological and behavioral outcomes in Down syndrome.
Researchers created a pioneering database to map neocortical development across species using multiomic data from 188 studies. They discovered that humans take longer than mice to reach full molecular maturity, and gene regulation plays a key role in brain disorders.
A new clinical trial will investigate whether adding the oral medication vorasidenib to standard chemotherapy improves progression-free survival for people with newly-diagnosed, grade 3 IDH-mutant astrocytoma. The study aims to recruit 400 individuals with this type of brain cancer and evaluate the safety and side-effect profile of the...
A new study explores how artificial lighting at night shapes ecological and genetic patterns of two closely related isopod species, Ligia laticarpa and L. furcata, in Tokyo Bay. The research reveals a clear ecological boundary between the two species, consistent with patterns of urban illumination.
A study of 225 newborns found that high prenatal oestrogen levels, indicated by long index fingers, are associated with large head circumference and increased brain size in boys. This could provide evidence for the positive influence of prenatal oestrogen on human brain evolution
A Johns Hopkins University-led team analyzed genetic data from nearly 140,000 IVF embryos and found robust connections between specific variations in a mother's DNA and her risk of miscarriage. The study identified key genes that govern chromosome pairing and cohesion, shedding new light on human reproduction.
Researchers analyzed solitary mason bee gut metagenomes to understand how urban environments shape diet, microbiome stability, pathogen exposure, and antibiotic resistance. The study found that bees' gut ecosystems containing both bacteria and viruses are more resilient than bacteria-only communities.
A recent study reveals how ancient viral DNA, specifically the MERVL element, plays a crucial role in early embryonic development. Activating this element is sufficient to create totipotent features in early embryos, but its precise contribution is not well understood.
A new study suggests that genetic differences passed down from ancient human ancestors and exposure to common chemicals could explain why some women are more likely to develop endometriosis. Researchers identified six genetic variants linked to the condition, which also occur in genes sensitive to modern pollutants.
Researchers found consistent parental monitoring can offset genetic risk for developing behavior problems during adolescence. High levels of parental monitoring appeared to buffer the influence of genetic risk, making a measurable difference even for children who are more vulnerable biologically.
New research from the Stowers Institute for Medical Research reveals planarian stem cells ignore their nearest neighbors and respond to signals further away in the body. This discovery may help explain the flatworm's extraordinary ability to regenerate and offer clues for developing new ways to replace or repair tissues in humans.
The ACMG has established a Newborn Screening Coalition to maintain national oversight and evaluation of genetic disorders, ensuring continuity in the nation's newborn screening system. The coalition will uphold standards of evidence-based review and transparency.
A study published in Annals of Neurology reveals a genetic connection between errors in the EPG5 gene, which causes Vici syndrome, and Parkinson's disease. Researchers found that individuals with rare errors in EPG5 were more likely to develop Parkinson's disease and dementia.
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.
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...
Researchers discovered that a small tissue fold, cephalic furrow, plays a crucial role in stabilizing embryonic tissues during fruit fly development. The formation of the furrow absorbs compressive stresses and prevents mechanical instabilities.
Researchers identified two major steps in the evolution of human bipedality, involving a shift in the growth plate and changes in bone formation. These genetic shifts, driven by genes such as SOX9 and PTH1R, fundamentally altered the pelvis geometry, enabling humans to walk upright.
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 from Kyoto University discovered that periodical cicadas use a four-year body weight threshold to decide when to emerge. The 16-year-old nymphs with red eyes and large body weights likely exceeded the critical threshold, indicating their decision to emerge.
Researchers have established apple snails as a system to study eye regeneration, which may hold the key for restoring vision due to damage and disease. The team discovered that the snail eye is anatomically similar to humans and can regrow itself, with genes such as pax6 playing a crucial role in development.
A new study found that genetic loci for gut length variation are sex-specific in cichlid fish species, suggesting 'sexual conflict' led to differences. The research used closely related species with different diets to identify genetic loci impacting males and females differently.
Researchers from BIOMICs group found significant genetic marker associations with facial areas, including eyes, nose, and forehead. The study aimed to predict external human features using DNA analysis for forensic purposes.
A team of scientists has found that the ion channel PIEZO2 is crucial for coronary vessel formation and heart development. Without PIEZO2, coronary arteries may develop improperly, leading to oxygen supply issues in the heart muscle. This discovery could lead to earlier diagnosis and treatment of congenital heart defects.
Researchers at University of Otago have identified a genetic cause for a rare developmental disorder affecting brain growth and function in children. The study found that a specific change in the CRNKL1 gene is associated with severe microcephaly, pontocerebellar hypoplasia, seizures, and intellectual disability.
Researchers argue that deliberate full extinction might be acceptable in rare cases, but only with careful consideration of ecological and moral implications. The study calls for robust ethical safeguards and inclusive decision-making frameworks to guide the use of genetic modification technologies.
ADHD researcher Barbara Franke's work transforms understanding of neurodevelopmental disorders through innovative molecular approaches. Her research combines cutting-edge bioinformatics with experimental models to identify genes and pathways underlying behavioral differences.
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.
A study by University of Cambridge scientists reveals how genetic changes in Hibiscus flowers led to the loss of visually striking bullseye patterns. The research identifies a key gene regulator and demonstrates how similar floral changes can evolve independently through changes in a single genetic element.
The study discovered that closely related SCAR proteins have distinct functions in plant cells, with specific regions impacting protein stability. This knowledge could improve understanding of plant-microbe interactions and develop strategies for improved plant growth.
Researchers have discovered a selfish X chromosome in fruit flies that manipulates inheritance in both males' sperm and females' eggs. The supergene's unique structure allows it to expand and accumulate repetitive DNA sequences contributing to its ability to cheat during female reproduction.