Genetics

The secret of DNA methylation

Methylation refers to a chemical modification of DNA and this modification can occur in millions of positions in the DNA sequence. Until now, scientists believed that this epigenetic phenomenon actively reduced the expression ...

Psychology & Psychiatry

Genetic predictors of postpartum depression uncovered

Johns Hopkins researchers say they have discovered specific chemical alterations in two genes that, when present during pregnancy, reliably predict whether a woman will develop postpartum depression.

Diseases, Conditions, Syndromes

Evidence of host adaptation of avian-origin influenza A virus

The connection between human avian-origin influenza A (H7N9) virus infection and environmental sources of the virus were determined based on clinical data, epidemiology, and virological characteristics of the three early ...

Oncology & Cancer

Gene mutation as cause of breast and ovarian cancer

A change to the so-called TERT gene considerably increases the risk of breast and ovarian cancer. This is the result of a current, multicenter study in which the University Department of Gynaecology and the Comprehensive ...

Neuroscience

Geneticists find causes for severe childhood epilepsies

(Medical Xpress)—Using a state-of-the-art DNA sequencing technique, UA researchers have discovered genetic mutations underlying seizure disorders in previously undiagnosed children.

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