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Genetics

Genetics articles related to neuroscience research will be listed here.

Featured Genetics Neurology Neuroscience

·September 30, 2024·4 min read

Shared Genetics Found in Bipolar Disorder and Epilepsy

A new study reveals a genetic connection between bipolar disorder type I (BD-I) and epilepsy, showing shared genetic variants and a causal relationship between the two conditions. Researchers discovered six genomic loci linked to both disorders and highlighted the role of the SP4 gene, which may be key in treating both illnesses.

Featured Genetics Neurology Neuroscience

·September 30, 2024·4 min read

Prion Disease Mutations Impact Synapses Before Symptoms Appear

New research reveals that prion disease mutations can alter the structure of neuron synapses long before symptoms emerge. Scientists studied neurons derived from induced pluripotent stem cells (iPSCs) of patients with the E200K prion protein mutation, showing changes in neuron-to-neuron contact sites even in the absence of misfolded prion proteins.

Featured Genetics Neurology Neuroscience

·September 27, 2024·5 min read

Huntington’s Protein Mutation Blocks DNA Repair

Researchers have discovered that the protein mutated in Huntington’s Disease fails to properly repair DNA, leading to reduced brain cell healing. The huntingtin protein normally stimulates the production of PAR molecules, which gather around damaged DNA to facilitate repair.

Featured Genetics Neuroscience

·September 27, 2024·3 min read

Enzyme Key to Brain Function and Synapse Health Discovered

A new study reveals that the absence of the TRMT10A enzyme disrupts tRNA levels, leading to impaired protein synthesis and brain function. Researchers found that mice lacking the Trmt10a gene had decreased levels of key tRNAs, which affected neuronal synapses and cognitive abilities.

Featured Genetics Neuroscience

·September 27, 2024·4 min read

Cannabis Use in Pregnancy Alters Genes in Developing Brain

New research has found that cannabis use during pregnancy can cause molecular changes in the genes of exposed children, impacting brain development. The study identified significant DNA alterations in genes related to neurodevelopment, suggesting a direct link between prenatal cannabis exposure and developmental issues.

This shows mitochondria, DNA and a person.

Featured Genetics Neuroscience

·September 26, 2024·3 min read

Mitochondrial DNA Linked to Gulf War Illness Severity in Veterans

Gulf War illness (GWI), a chronic fatigue condition affecting veterans, is linked to genetic variants in mitochondrial DNA. These variants, inherited through the maternal line, appear to predispose some individuals to more severe symptoms of GWI after exposure to environmental toxins.

Featured Genetics Neuroscience

·September 26, 2024·5 min read

Gut Microbiome and Aspirin May Reverse Hormonal Issues

Researchers found that mutations in the Sox3 gene cause hypopituitarism, a condition where the pituitary gland produces insufficient hormones, leading to growth issues and infertility. In a study on mice, they discovered that Sox3 mutations affect brain cells called NG2 glia, which are essential for hormone production.

Featured Genetics Neuroscience Psychology

·September 26, 2024·3 min read

Men Show Higher Genetic Risk for Schizophrenia and Related Disorders

Researchers have found that schizophrenia shares genetic risk factors with bipolar disorder and major depression, with these vulnerabilities being more significant in men than in women. This new study analyzed over 3,000 individuals, finding that polygenic scores for various psychiatric disorders contribute differently to psychosis risk based on gender.

Featured Genetics Neuroscience

·September 26, 2024·4 min read

Scientists Discover Potential to Pause Human Embryo Development

Researchers have identified a molecular mechanism in human cells that mimics embryonic diapause, a process some mammals use to pause development. By inhibiting the mTOR signaling pathway in stem cell-derived blastoids, scientists induced a dormant state similar to that found in other mammals.

Featured Genetics Neurology Neuroscience

·September 26, 2024·3 min read

Newly Found Genetic Mutation Linked to Early-Onset Parkinson’s

A new study led by scientists has uncovered a mutation in the SGIP1 gene that may cause early-onset Parkinson's. The discovery, based on a family with a history of the disease, sheds light on how this mutation disrupts brain cell communication.

Featured Genetics Neuroscience

·September 23, 2024·6 min read

Blue Light Exposure Induces Behavioral and Epigenetic Changes in Fish

Artificial light at night (ALAN), particularly blue light, disrupts fish behavior and affects their offspring. After just a few nights of blue light exposure, zebrafish displayed anxiety-like behaviors, such as reduced swimming and wall-hugging, and their offspring exhibited decreased activity despite never being exposed themselves.

Featured Genetics Neuroscience

·September 23, 2024·6 min read

80% of Developmental Disorders Linked to Known Recessive Genes

The largest and most diverse study on recessive genetic changes in developmental disorders reveals that over 80% of cases caused by recessive variants are linked to known genes. Researchers analyzed data from nearly 30,000 families and found that a shift in focus from gene discovery to interpreting changes in known genes could double diagnosis rates.

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Genetics

Shared Genetics Found in Bipolar Disorder and Epilepsy

Prion Disease Mutations Impact Synapses Before Symptoms Appear

Huntington’s Protein Mutation Blocks DNA Repair

Enzyme Key to Brain Function and Synapse Health Discovered

Cannabis Use in Pregnancy Alters Genes in Developing Brain

Mitochondrial DNA Linked to Gulf War Illness Severity in Veterans

Gut Microbiome and Aspirin May Reverse Hormonal Issues

Men Show Higher Genetic Risk for Schizophrenia and Related Disorders

Scientists Discover Potential to Pause Human Embryo Development

Newly Found Genetic Mutation Linked to Early-Onset Parkinson’s

Blue Light Exposure Induces Behavioral and Epigenetic Changes in Fish

80% of Developmental Disorders Linked to Known Recessive Genes

Estrogen Exposure Shields the Aging Brain

The Acoustic Science of What Makes a Great Singer

How Octopuses Lock in Long-Term Memory Without New Proteins

Enriched Environments Rewire the Brain via Shared Synaptic Gene Networks

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