Researchers identified a new neurological syndrome caused by IQSEC1 gene mutations, affecting five patients from consanguineous families in Pakistan and Saudi Arabia. The study used fruit flies and mice to demonstrate that defective IQSEC1 proteins contribute to intellectual disability and neural development defects.
Researchers at Baylor College of Medicine have developed a new therapeutic approach to treat symptoms associated with PTEN deficiency, which is linked to autism and other neurological disorders. The treatment targets the mTORC2 complex and has shown promising results in reversing behavioral abnormalities and reducing seizures in mice.
Researchers at Baylor College of Medicine have discovered a functional link between noncoding DNA regions called Pitx2 enhancers and the expression of the Pitx2 gene in relation to atrial fibrillation. This interaction prevents predisposition to the condition by looping and folding distant Pitx2 enhancers to make contact with the gene.
A multi-institutional team found that genomic structural variation alters DNA methylation across hundreds of genes, reducing global levels in human cancers. This study provides new insights into the mechanisms underlying cancer development and suggests potential implications for cancer immunotherapy.
Researchers found that altering Sox9 gene expression modifies Alagille syndrome liver disease severity, from mild to severe cases. Increasing Sox9 levels improved biliary duct development without tumor formation.
Researchers found that aggregates of tau protein disrupt RNA splicing, leading to global disruptions in brain cells. This discovery presents an exciting new possibility for using RNA splicing as a potential target for Alzheimer's disease treatment.
Researchers at Baylor College of Medicine developed a reliable molecular profile for meningiomas, predicting tumor recurrence with high accuracy. The study identified a unique characteristic of aggressive meningiomas, the dysfunction of the DREAM complex, which contributes to malignant transformation.
Researchers at Baylor College of Medicine discovered that inactivating the Hippo pathway in cardiac fibroblasts promotes cardiac fibrosis and adversely affects cardiac function. This finding highlights the need for specific targeting of the Hippo pathway in cardiac muscle cells for safe and effective heart failure therapy.
Children with Down syndrome are 10-20 times more likely to develop Acute Lymphoblastic Leukemia (ALL) than children without the condition. Researchers at Baylor College of Medicine have made breakthroughs in understanding this risk, identifying genetic variants associated with increased ALL susceptibility.
Researchers identified NFIA as a central regulator of reactive astrocytes in brain injury. The study showed that NFIA plays different roles depending on the type of injury and region affected, hinting at an extensive reservoir of reactive astrocyte responses.
Chronic e-cigarette vapor exposure damages lungs by disrupting normal lung structure and function, reducing immune cell response to viral infections. The study also found abnormal lipid accumulation within resident macrophages, leading to increased susceptibility to diseases like influenza.
A recent study found a brain circuit that connects the feeding and mood centers of the brain, which may explain associations between depression, metabolism, and eating behavior. The researchers discovered that when depression was induced in mice by chronic stress, they ate less and lost weight.
Researchers found that postnatal overnutrition in mice leads to premature epigenetic aging in pancreatic islets, increasing the risk of diabetes. Early life overnutrition accelerates DNA methylation changes, resembling those of middle-aged mice, and contributes to impaired glucose regulation.
Researchers found large diversity in neutrophil and macrophage frequencies, with some tumors attracting one type while others attract the other. The study highlights heterogeneity of tumor cells and immune microenvironment as important considerations for therapy.
Atrial fibrillation is a major concern due to its association with serious complications like heart failure and stroke. Researchers have identified a new piece of the puzzle that has changed the field's understanding of the molecular mechanisms leading to atrial fibrillation, involving a phosphatase regulatory subunit known as PPP1R3A.
Researchers found that CD2AP gene is involved in synaptic transmission and regulates key regulatory proteins at neuron terminals. Low CD2AP levels significantly correlate with abnormal turnover of synaptic proteins in brain autopsies of individuals with Alzheimer's disease.
A new study published in the Journal of Clinical Investigation reveals a previously unknown gut-brain connection that plays a key role in obesity caused by overeating. The research found that increased levels of gastric inhibitory polypeptide (GIP) in the gut inhibit the action of leptin, leading to weight gain.
Researchers found that more than half of surgical errors were caused by human performance deficiencies, including cognitive biases and lack of attention. The study suggests that training medical staff to recognize cognitive pitfalls is crucial to preventing adverse outcomes.
Researchers analyzed 10,225 patient samples from 32 different cancers to better understand TP53 mutations. They found that TP53 mutations were more frequent in patients with poorer survival rates but also identified a way to predict prognosis based on four upregulated genes.
Researchers at Baylor College of Medicine discovered that removing inhibitory interneurons' ability to regulate excitatory neurons dramatically changed odor responses. The study highlights the need for better understanding cell type relationships in brain function.
Researchers at Baylor College of Medicine and Indiana University have found that rotavirus induces hundreds of discrete and highly dynamic calcium spikes during peak infection. These spikes can be attenuated by genetically knocking down the virus's NSP4 protein, which disturbs calcium balance within cells.
Researchers at Baylor College of Medicine discovered that amoebae build a barrier around their colonies to counteract bacterial attacks. The protein CadA enables the amoebae to recognize specific species and adapt to survive, forming clumps with Gram-negative bacteria and allowing for feeding on the edges.
Researchers discovered that folic acid supplementation can mitigate the risk of dolutegravir triggering neural tube defects in an animal model. Folate receptor interactions with folate and dolutegravir also disrupt normal neural tube development.
A high-quality diet is associated with a higher abundance of beneficial bacteria in the colon, while a poor-quality diet is linked to more potentially harmful bacteria. The researchers propose that modifying the microbiome through diet may be a strategy to reduce chronic disease risk.
Researchers discover that moderate chromatin stress triggers a response that promotes longevity in various organisms, including yeast and C. elegans. The study suggests that this process may be conserved in other organisms, opening new possibilities for intervening in human aging.
Researchers developed a strategy to expand enteroendocrine cells in the gut, allowing for better study of gut-body communication. The new system enables detection of serotonin and other hormonal mediators, opening doors to research on gut health and disease.
Researchers found that children with chromosomal defects were almost 12 times more likely to develop cancer than those without birth defects. Children with non-chromosomal defects had a 2.5 times increased risk of cancer compared to those without birth defects.
Researchers found that seizures associated with Alzheimer's disease accelerate neurogenesis in adult brains, but administering anti-seizure medication restored normal dynamics and improved cognitive function. The findings suggest a possible explanation for the controversy surrounding neurogenesis in Alzheimer's patients.
A new study reveals a reliable sequence of neural interactions in the human brain that corresponds to visual processing, language state, and articulation state when naming objects. The findings support the view that dynamic interactions within neural networks govern language production.
Researchers at Baylor College of Medicine reanalyzed preexisting molecular data with new disease-causing genes and genetic knowledge, increasing the diagnostic rate nearly doubling it in one cohort. The computational pipeline facilitated semi-automated reanalysis, reducing labor intensity and cost.
Scientists have identified a unique fraction of the genome that can be used to predict epigenetic causes of disease. The 'treasure map' of correlated regions of systemic interindividual variation (CoRSIVs) comprises a previously unrecognized level of molecular individuality in humans, associated with diseases such as obesity and cancer.
A study of over 8,000 participants found that elevated troponin I levels are associated with cardiac outcomes like heart attacks and fatal coronary disease. Adding troponin I to a risk prediction model improves accuracy in predicting heart failure risk, highlighting the potential for improved treatment strategies.
A computational tool assigns a bladder cancer subtype to an individual patient using genomic data, enabling personalized treatment selection. The study found that patients with the aggressive 'neuronal' subtype responded well to atezolizumab treatment, achieving high survival probabilities.
Researchers have identified a cellular mechanism that prevents retinal regeneration in mammals, but allows for regeneration in zebrafish. By manipulating this pathway, it may be possible to restore lost vision by activating the retina's regenerative capacity.
A new bioinformatics tool analyzes CRISPR pooled screen data to identify candidate genes involved in diseases, outperforming existing methods. The web-based tool is quicker and more user-friendly, empowering non-bioinformaticians to analyze data.
Researchers analyzed colon cancer proteins and genes, uncovering novel biological mechanisms and potential new therapeutic strategies. The study provides a systematic catalog of proteins produced by colon cancer tumors and adjacent normal tissues, including insights into unexpected gene behavior.
Researchers discover SRC-1 gene variants disrupt body weight regulation in mice and humans, highlighting the protein's key role in the hypothalamus. Genetic variants identified in severely obese children contribute to poor body weight control.
Scientists have improved their understanding of a new form of cell-cell communication based on extracellular RNA. Researchers analyzed human exRNAs from 19 studies and developed computational tools to deconvolute complex data, revealing six major types of exRNA cargo and carriers that can be detected in bodily fluids.
Researchers discover how bacteria evolve mutations that confer antibiotic resistance and find a way to inhibit this process with FDA-approved drug edaravone. The study reveals that low doses of ciprofloxacin induce DNA breaks, leading to mutations in bacterial populations.
Researchers at Baylor College of Medicine discovered a new approach to treating age-related diseases by stabilizing telomeres and restoring sirtuin activity. This method shows promise in improving liver disease outcomes in a mouse model.
A study found that consuming high-fructose corn syrup accelerates intestinal tumor growth in mouse models, independent of obesity. The sugar directly feeds cancer growth via increased fructose and glucose levels, leading to fatty acid production and tumor progression.
A deficiency in the SHANK3 protein, which regulates synaptic communication between brain cells, is associated with various neurological conditions. Researchers have identified kinases that can regulate SHANK3 stability, offering hope for developing treatments by increasing its abundance.
A Baylor College of Medicine study reveals extensive single Watson-Crick base pair mutations contribute to the characteristics of Potocki-Lupski and Smith-Magenis syndromes. The research identifies two groups of patients: those with recurrent and non-recurrent genetic changes.
A collaborative study improves understanding of ALS by identifying a key role for ubiquilin proteins in regulating cellular waste. The researchers found that mutated ubiquilins fail to regulate lysosomes, leading to excess waste buildup and disease development.
Researchers at Baylor College of Medicine have made a groundbreaking finding that enables the reprogramming of adult cardiomyocytes to promote heart tissue regeneration. By manipulating the genetic mechanisms that prevent cardiomyocyte proliferation, scientists have successfully opened up possibilities for treating heart disease.
A new study by Baylor College of Medicine researchers discovered two independent mechanisms contributing to tuberous sclerosis, a rare genetic disease. Glycogen accumulation is linked to mTORC1 hyperactivity in some cases, while other TSC2 mutations trigger defects in lysosome formation and glycogen digestion.
Researchers at Baylor College of Medicine have discovered an intracellular pathway that regulates metabolic adjustments promoting health and longevity in C. elegans worms. This discovery reveals how lysosomes communicate with mitochondria to extend lifespan.
Scientists have discovered that an antisense RNA can induce the formation of fusion genes in mammalian cells, which may lead to new cancer therapies and biomarkers. The 'cart before the horse' hypothesis is challenged by this finding, revealing a non-coding RNA's role in gene recombination.
Breast cancer cells can shift between two forms of the cell surface molecule CD44, CD44s and CD44v, with different properties and behaviors. Cancer cells expressing mainly CD44s have increased metastatic behavior and resistance to therapy, while those expressing CD44v present increased cell proliferation.
A multidisciplinary team has found a new connection between the lateral hypothalamus, a feeding center, and the hippocampus, a memory center, revealing how the protein complex NCOR1/2 regulates memory. The study sheds light on potential links to autism, intellectual disabilities, and neurodegenerative diseases.