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New mitochondrial disease identified in identical twins
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New mitochondrial disease identified in identical twins

by Massachusetts General Hospital Credit: Pixabay/CC0 Public Domain In a set of identical twins, investigators led by researchers at Massachusetts General Hospital (MGH) and Children’s Hospital Philadelphia (CHOP) have identified a mitochondrial disease not previously reported. Diseases that affect mitochondria—specialized compartments within cells that contain their own DNA and convert the food we eat into...

Identical twins aren’t perfect clones, research shows
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Identical twins aren’t perfect clones, research shows

by Christina Larson  In this Saturday, June 18, 2005 file photo, identical twins Alf, left, and Sven Fehnhanhn, left background, 79, from Kassel, pose along with seven-month-old Luis Carl, right, und Albert Frank Millgramm, right background, during a twins’ meeting in Berlin. According to research published on Thursday, Jan. 7, 2021, identical twins are not exactly genetically...

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Loss of a co-twin linked to heightened psychiatric risk

New findings suggest twins who survive the loss of their co-twin face an elevated risk of psychiatric disorders in the short and longer term. ELIFE The death of a twin, especially earlier in life, can increase the risk of their surviving twin being diagnosed with a psychiatric disorder, finds a new study published today in...

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Severity of autism symptoms varies greatly among identical twins

by NIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development Identical twins with autism spectrum disorder (ASD) often experience large differences in symptom severity even though they share the same DNA, according to an analysis funded by the National Institutes of Health. The findings suggest that identifying the causes of this variability may...