Articles tagged with Genetic Disorders
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Researchers found a molecular basis for the connection between disrupted circadian rhythms and substance abuse in mice with an NPAS2 gene mutation. The study revealed sex-based differences in behavioral changes related to cocaine administration and striatum activation.
Researchers have identified the BICRA gene as a new disease gene involved in neurodevelopmental disorders. The study found that mutations in the BICRA gene can cause disease in humans and flies, and may provide new insights into how to develop individualized medical plans for patients with similar conditions.
Scientists at Scripps Research have developed a new strategy to treat RNA-repeat expansion disorders, which affect millions of people worldwide. The compound has shown promise in early tests against myotonic dystrophy 1 and Fuchs endothelial corneal dystrophy by neutralizing toxic RNAs and preventing their capture of essential proteins.
Researchers analyzed 1,330 disease-associated genes and identified 18 features associated with pathogenic variants and 14 with benign variants. The study provides a molecular atlas of pathogenic mutations and aims to accelerate personalized drug discovery and precision medicine.
Researchers found that gene mutations underlying inflammatory skin disorders also delay wound healing by disrupting the balance of immune cells and inflammation. Treatment with a TLR4 inhibitor showed promise in normalizing the wound healing process in mice with these mutations.
Researchers at UNC School of Medicine show that gene editing with CRISPR-Cas9 can restore function in an animal model of Angelman syndrome. The therapy was effective in restoring the UBE3A enzyme in human neurons and treating deficits in an animal model, offering a long-lasting treatment or cure for this debilitating disease.
A research team at Greenwood Genetic Center successfully restored normal heart and valve development in an animal model for Mucolipidosis II using small molecules. The study used cathepsin protease inhibitors to normalize cardiac development in a zebrafish model with genetic mutations that disrupted growth factor signaling.
Researchers create an artificial C-to-U conversion system using APOBEC1, allowing for the restoration of mutated genes and potentially treating genetic disorders. The system was tested on blue fluorescent protein (BFP) RNA with a 199T>C mutation, showing high editing efficiency.
Researchers identified 28 new genes associated with developmental disorders, including 500 families, using the largest genetic resource available. The study estimates that another 1,000 genes linked to these conditions remain undiscovered.
A University of Cincinnati researcher is conducting a study on pharmacogenomics and opioid addiction. The goal is to identify genetic markers associated with OUD and compare them between patients who have and don't have the condition.
Researchers have made a groundbreaking genetic discovery that sheds light on the cause of rare nerve disorders, including Rett syndrome. The study found two new mutations in the KIF1A gene to be responsible for these conditions.
A new study by UCSF researchers uses exome sequencing to identify genetic diseases as the underlying cause in 37 cases of nonimmune hydrops fetalis, a life-threatening condition. The study finds that genetic diagnoses are critical for families and healthcare providers to guide prenatal management strategies.
A study published in Nature Genetics developed a more accurate predictor of coronary artery disease based on genetic factors by comparing genome-wide association analysis across different ancestries. The researchers identified 48 genetic loci associated with the disease, including eight previously unknown variants.
The Murdoch Childrens Research Institute will establish a biobank of biological samples from people with Prader-Willi Syndrome and Angelman Syndrome, two rare genetic diseases affecting 1 in 15,000 people. The biobank will help researchers better understand the causes of these disorders and develop new treatments.
A new study published in Biological Psychiatry found that individuals with secure attachment styles have neutralized genetic risk factors for PTSD symptoms. The ability to form loving and trusting relationships with others was found to be a strong protective factor against severe PTSD symptoms.
A recent NIH-funded study confirms that about 14% of cerebral palsy cases may be linked to rare genetic mutations, which control brain circuit development during early childhood. The results led to recommended changes in treatment for at least three patients and provide new insights into the disorder.
A NIH-funded study identified neuronal abnormalities in cortical cells from individuals with 22q11.2 deletion syndrome, a genetic disorder associated with mental illnesses and developmental delays. The study suggests that overexpression of the DGCR8 gene and exposure to certain antipsychotic drugs can restore normal cellular functioning.
Researchers at Medical University of South Carolina found that genetic variation in three specific brain genes can predict the effectiveness of naltrexone in treating alcohol use disorder. Patients with certain combinations of gene variations showed consistently reduced drinking when taking naltrexone, making personalized medicine a po...
Researchers successfully used gene therapy to overcome cardiac effects of Friedreich's ataxia in a mouse model, achieving exercise performance similar to healthy littermates. The treatment delivered the frataxin gene via adeno-associated virus (AAV) and showed promising results.
Researchers found that heroin use alters the expression of the FYN gene, which regulates Tau production and is associated with neurodegenerative diseases like Alzheimer's. The study suggests that FYN inhibitors may be a promising therapeutic tool for opioid addiction.
Researchers at Johns Hopkins University have developed a computational system called Watershed to predict the functions of rare genetic variants in individual genomes. This breakthrough could lead to the identification of genetic causes for previously undiagnosed disorders and health issues, with implications for public health.
A study by University of Pennsylvania researchers describes an effective gene therapy for Krabbe disease in dogs, which has shown promising results with no significant symptoms after four years. The treatment approach, using the AAV9 vector, has also been found to positively affect both central and peripheral nervous systems.
A recent study published in Psychological Science found that marriage to a spouse with a history of parental alcohol misuse increases the likelihood of developing alcohol use disorder. The research suggests that it's not the spouse's genetic makeup but rather their upbringing by an AUD-affected parent that influences this risk.
Researchers at ETH Zurich have developed RNA molecules that can compensate for gene mutations in bone marrow cells, a potential breakthrough for treating rare hereditary diseases. The molecules bind to the body's own RNA and restore ferrochelatase enzyme production, which is deficient in patients with erythropoietic protoporphyria.
Researchers studied epigenetic modifications associated with posttraumatic stress disorder (PTSD) in trauma survivors, finding a link to the gene NTRK2 and reduced PTSD risk. The study revealed that epigenetic modification of NTRK2 was predictive of PTSD risk, but its relationship with PTSD is complex and influenced by multiple factors.
A comprehensive assessment of genomic sequencing as a standalone newborn screening tool found it comes up short, missing about 160 cases and incorrectly identifying 8,000. However, sequencing can still be useful in suspicious cases not clearly identified by MS/MS.
A breakthrough study using gene therapy to target the inner retina has prevented blindness in a mouse model of CLN3 Batten disease. The treatment led to significant survival of bipolar cells and preserved retinal function, according to researchers.
Researchers identified thousands of potentially functional SNPs associated with changes in gene expression, highlighting the unique value of using iPSC-derived neurons as a model. The study advances understanding of genetic causes of neuropsychiatric disorders and offers a path to novel disease treatments.
A study suggests that a single point mutation in the Cav1.2 channel, G406R, may explain the mechanism of autism spectrum disorder (ASD). The mutation causes abnormal calcium overload leading to heart problems and spontaneous gene activation, resulting in uncontrolled long-term dysregulations.
A new therapeutic approach for CLN3 Batten disease has been developed by a team led by Rosalind Franklin University researcher Michelle Hastings. The treatment uses antisense oligonucleotides to target the mutated gene causing the disease, showing promise in rodent models and human cells cultured from patients.
Researchers at UC Berkeley have obtained the first 3D structure of a base editor, a promising DNA manipulation tool that can precisely replace one nucleotide with another. This discovery could lead to more versatile and controllable base editors for use in patients, addressing 60% of known genetic diseases.
A new study published in PLOS Medicine shows that genetic pre-screening can reduce the number of screening tests needed to identify individuals at risk for osteoporotic fractures by up to 41 percent. This could lead to cost savings and more efficient screening programs.
A research team from Göttingen University has re-examined the skin of Dark Ronald XX and found no evidence of the PLOD1 mutation responsible for Warmblood fragile foal syndrome. The study suggests that the disease may have originated from a different genetic source, challenging previous theories.
A study published in EBiomedicine reveals a genetic link between the HLA-G gene and preeclampsia. The researchers found that certain alternative forms of the HLA-G gene are connected to the male-to-female ratio at birth, fetal survival, and pregnancy complications.
Researchers identified mutations in the CNOT1 gene that affect brain development and impair memory and learning, suggesting potential therapeutic benefits. The study also revealed interactions between CNOT1 and known autism spectrum disorder genes, paving the way for further research.
A new study by Penn State researchers reveals that genetic deletions linked to neurodevelopmental disorders affect not only brain development but also other parts of the body. The findings suggest that these deletions can cause defects in multiple organ systems, including heart, kidney, and skeletal structures.
Scientists have identified a key mechanism in X chromosome inactivation that may lead to treatments for rare congenital disorders and certain cancers. By understanding how this mechanism works, researchers hope to develop novel medicines for diseases like Rett syndrome.
RCSI researchers have found a potential new way to promote blood clotting that could be used to treat the most common genetic bleeding disorder, Von Willebrand Disease. A modified molecule has been shown to extend the life of the clotting protein within the body's circulation, significantly increasing its half-life fivefold.
Researchers used a new genetic engineering technique, known as base editing, to repair a single mutation in the Tmc1 gene, restoring partial hearing in mice. The technique has potential for treating other genetic forms of hearing loss and diseases.
A recent study identifies two genes, SNRNP35 and ZNF140, that may affect PTSD susceptibility. Individuals with PTSD tend to have lower expression of SNRNP35 in the brain and higher expression of ZNF140 in the blood. This research could lead to new treatment and prevention strategies for PTSD.
A team of researchers led by Jung-Bum Shin identified Myosin-VIIa as a crucial protein in maintaining proper tension in hair cell mechanoreceptors, enabling sound detection. The discovery sheds light on the biological architecture of hearing and may lead to new treatments for hearing loss.
A study analyzing data from the Rhode Island Consortium for Autism Research and Treatment found that only 3% of individuals diagnosed with autism spectrum disorder reported having fully received clinical genetic tests recommended by medical professional societies. The study reveals a dissonance between professional recommendations and ...
A team of Emory scientists compared the most common inherited form of amyotrophic lateral sclerosis and frontotemporal dementia with spinocerebellar ataxia type 36. They discovered that protein products can poison cells in one disease but not the other, providing new insights into their pathological mechanisms.
A new hereditary disease, FACAS, has been discovered that causes a cold-induced urticarial rash in patients exposed to temperatures below 15°C. The researchers found that the disorder is caused by a previously unknown mutation in the 'Factor 12' gene.
A recent study has found a correlation between paternal age and the development of neurodevelopmental disorders in children. The research, published in PLOS ONE, suggests that older fathers may pass on epigenetic markers that increase the risk of conditions such as autism and ADHD.
Research implicates ACTL6B gene absence in six families with recessive autism. Altered transcriptional repression and neural circuitry defects suggest conserved function and potential for autism research.
Researchers at Oregon Health & Science University developed a synthetic molecule that targets and corrects a mutated gene causing Usher syndrome in mice. The technique may be used to deliver drug therapy through amniotic fluid to the fetus, potentially treating and preventing several types of congenital hearing and balance disorders.
Girls with autism spectrum disorder (ASD) exhibit distinct brain activity patterns, including motor and striatal underactivation to social stimuli, and larger rare copy number variants affecting those regions. Typically developing girls show executive engagement when viewing social stimuli, suggesting resilience to autism.
Researchers are studying gene transcription in blood of patients undergoing buprenorphine treatment to understand its therapeutic effects. The study aims to identify key genes and their association with clinical results, potentially leading to new treatments for opioid use disorder.
A new neurodegenerative disorder has been discovered in children, characterized by developmental regression and severe epilepsy. The disorder is caused by a variation in the NRROS gene and appears to require two copies of the defective gene.
A recent study has identified the RAB39b gene as a critical regulator of early brain development, with mutations leading to macrocephaly and autism spectrum disorder. The research used mouse models and human brain organoids to demonstrate how this gene disrupts neural progenitor cell growth and differentiation.
Researchers created H-MAGMA, a computational tool that links non-coding genetic variants to their target genes in brain disorders. The study found that genes associated with psychiatric disorders are typically expressed early in life, while neurodegenerative disorder-associated genes are expressed later.
A new genetic map of psychiatric disorders has been completed by an international study involving 230,000 patients worldwide. The research identified 109 genetic variants associated with eight psychiatric disorders, including autism, ADHD, and schizophrenia.
OCU400, a novel gene therapy product candidate, demonstrates efficacy in rescuing photoreceptors from degeneration by resetting retinal homeostasis. The treatment has the potential to be broadly effective across genetically diverse IRDs, offering hope for millions of people worldwide affected by inherited retinal degenerations.
Researchers at Kyoto University have designed a new compound that can bind to DNA and activate genes, which could lead to new treatments for cancers and hereditary diseases. The compound, called ePIP-HoGu, targets specific DNA sequences and recruits gene-modifying molecules.
A team of researchers has identified a membrane-associated protein crucial for human T-cell development and immune function. The study, published in Nature Communications, sheds light on the molecular mechanisms underlying rare genetic diseases that cause severe immune deficiencies.
A new model of chromosome X-linked adrenoleukodystrophy in C. elegans has been identified, accelerating research on the disease and its potential pharmacological targets. The model points to glial cells as responsible for neurological damage, with oxidative stress caused by mitochondria being a major cause.
The University of Utah Health is launching a project that uses rapid whole genome sequencing to identify genetic disorders in newborns, aiming to cut diagnosis time to 72 hours or less. The goal is to personalize treatment and improve outcomes for critically ill infants with genetic-related diseases.
Researchers developed a CRISPR gene-editing technique that prevented genetic liver disease in mice by introducing a 'minigene' that expresses the enzyme ornithine transcarbamylase. The approach showed promise for treating rare metabolic disorders and other hereditary diseases.
Researchers delivered an ALDH2 gene to mice with the deficiency, using a virus-mediated approach. The treated mice showed no signs of the acute abnormalities or chronic disorders normally associated with ethanol exposure in ALDH2 deficiency.