Genetics News

Mouse Study: Oxytocin Regulates Female Sexual Behavior

October 11th, 2014
The "cuddle" hormone oxytocin may play a particularly strong role in regulating female sexual behavior, according to a new mouse study by scientists at Rockefeller University. Oxytocin is released naturally during moments of relational bonding, such as breastfeeding, childbirth, and sex. The research, ...

Down Syndrome Study Sheds Light on Alzheimer’s

September 22nd, 2014
New research suggests the quest to understand the mechanism by which Alzheimer’s disease impacts memory and cognition may be more complicated than previously understood. University of Wisconsin researchers, including lead study author Sigan Hartley, Ph.D., and Brad Christian, Ph.D., looked at the role of ...

Childhood Trauma May Activate Gene Leading to PTSD

September 17th, 2014
New research suggests childhood adversity may influence genotypes which, in turn, can affect a person’s nervous system, placing the individual at risk for post-traumatic stress disorder. Specialists have known that abnormalities in a person’s nervous system, especially in the fight-or flight- response, are ...

8 Disorders Instead of One? The Role Gene Clusters Play in Schizophrenia

September 16th, 2014
New research suggests that what is commonly thought of as one disorder -- schizophrenia -- may in fact be eight different and distinct disorders. Schizophrenia is a complex but rare mental illness characterized by a person experiencing hallucinations and/or delusions. It affects between ...

New Study Traces Abnormal Brain Development in Schizophrenia

September 16th, 2014
A new international study has determined that parts of the cerebral cortex develop differently in people with schizophrenia. The discovery stems from an assessment of brain development during childhood and adolescence in people with and without schizophrenia. Schizophrenia is generally considered to be a ...

Believing Hard Work Can Trump Genetics Makes a Difference

September 4th, 2014
Telling someone that hard work can improve or overcome God-given talent appears to be a winning formula, even if the original message may be a least partly incorrect. Michigan State University researchers discovered when a person is told that hard work can override ...

Mice Study Suggests Lack of Serotonin Not Behind Depression

August 28th, 2014
New evidence challenges the conventional wisdom that the brain chemical serotonin is responsible for maintaining mood balance, and that a deficit of serotonin leads to depression. In a study, scientists report that mice lacking the ability to make serotonin in their brains did not ...

More Genes Implicated in Bipolar Disorder

August 26th, 2014
A newly discovered gene linked with an enzyme that helps to conduct neural signals is the latest piece found of the genetic puzzle of bipolar disorder. The condition, also known as manic-depressive illness, appears to be influenced by at least five areas of ...

Preschool Figure Drawings Correlate With IQ a Decade Later

August 20th, 2014
A four-year-old child’s drawings of a person can possibly reveal their intelligence levels then and also a decade later, according to a new study at Kings’ College London. But parents shouldn’t worry if their child draws poorly, as it isn’t the only ...

Tinkering With Genes to Prevent Migraines

August 20th, 2014
Two new drugs in promising clinical trials use genetic engineering to prevent migraine headaches, the third most common and seventh most disabling medical disorder in the world. Both use genetically engineered "monoclonal antibodies" attacking a new target in migraine prevention, a small protein known as ...