Categoría: Noticias
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Mitochondrial capsule transplantation therapy shows potential for major diseases
Chinese researchers have developed a novel and highly efficient mitochondrial capsule transplantation therapy, achieving the safe and efficient transplantation of healthy mitochondria into cells and tissues for the first time. This new therapy can sign…
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Medical centers highlight responsible ways to share genetic disease risk information
As modern medicine leaps forward in its ability to quickly and more affordably run genetic disease risk tests, ethical questions have swirled about how best to inform people about risk findings they may have had no idea were coming.
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Genetic study finds links between height and risk of cardiovascular and reproductive conditions in East Asian people
A large-scale genetic analysis of East Asian individuals led by Fuu-Jen Tsai of the China Medical University Hospital, finds that people with greater height face a higher risk of endometriosis and atrial fibrillation. A person’s height is the result of…
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The epigenetics of trauma: 86 miRNAs linked to PTSD symptom severity and social adversity
Adverse childhood experiences and traumatic events experienced or witnessed at any point during one’s lifetime can sometimes prompt the emergence of some mental health disorders, such as post-traumatic stress disorder (PTSD) and complex PTSD (c-PTSD). …
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Genes tied to impulse control play a major role in addiction risk
Most of the genetic risk for developing a substance use disorder comes from genes that broadly affect how our brains process rewards, regulate impulses and weigh consequences—not from genes that specifically influence substance use disorder or any sing…
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Neural map reveals how adult brain cells remember their origins
Researchers at Karolinska Institutet have created the first detailed map showing how genetic activity is controlled in individual cells of the adult human brain and spinal cord. The study, published in Nature Neuroscience, shows that oligodendroglia, t…
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High meat consumption linked to lower dementia risk in APOE4 carriers
Older people with a genetic risk of Alzheimer’s disease did not experience the expected increase in cognitive decline and dementia risk if they consumed relatively large amounts of meat. This is shown in a new study from Karolinska Institutet published…
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African Americans with specific gene variant show brain-network decline years before Alzheimer’s appears
Rutgers-Newark researchers have shown that a genetic variant specific to African ancestry alters the brain in a way that could foretell the eventual development of Alzheimer’s Disease. At the same time, their study revealed some good news: A far more w…
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Gene mutation tied to schizophrenia slows brain’s updating of beliefs
One of the symptoms of schizophrenia is difficulty incorporating new information about the world. This can lead patients to struggle with making decisions and, eventually, to lose touch with reality. MIT neuroscientists have now identified a gene mutat…
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Mitochondria identified as key players in a rare disease causing microcephaly
Human cells have two copies of each chromosome, and this balance is essential for genes to be expressed in the appropriate proportions and for cells to function correctly. When errors occur during cell division and the number of chromosomes in the cell…