Putative Exercise Hormone Irisin Boosts Mouse Brainpower
Putative Exercise Hormone Irisin Boosts Mouse Brainpower
Sophie Fessl | Sep 10, 2021
Mice lacking irisin didn’t exhibit the cognition improvements that typically follow exercise, and in mouse models of Alzheimer’s disease, treatment with the hormone reduced cognitive decline.
Years of Prozac Alter Lipids in Young Monkeys’ Brains: Study
Years of Prozac Alter Lipids in Young Monkeys’ Brains: Study
James M. Gaines | Sep 10, 2021
Long-term administration of the antidepressant fluoxetine was tied to decreased concentrations of about 100 different brain lipids in adolescent macaques, hinting at a potential mechanism underlying the drug’s rare but severe side effects.
Tumors Disrupt the Blood-Brain Barrier at a Distance
Tumors Disrupt the Blood-Brain Barrier at a Distance
Abby Olena | Sep 9, 2021
Shoring up the tissues that separate neurons and other brain cells from the circulatory system in fruit flies and mice can prolong life in the presence of a tumor.
Hormones May Contribute to Asymmetrical Effects of Brain Injury
Hormones May Contribute to Asymmetrical Effects of Brain Injury
Catherine Offord | Sep 2, 2021
Researchers studying rats claim to have found a novel connection between damage on one side of the brain and problems with the posture or movement of limbs on the opposite side of the body.
Low Frequency Electric Stimulation Can Treat Back Pain: Study
Low Frequency Electric Stimulation Can Treat Back Pain: Study
Emma Yasinski | Sep 2, 2021
Patients in a small trial said their chronic pain improved an average of 90 percent over the course of 15 days, but returned shortly after the electrical stimulation sessions ended.
Genes for Alcohol Use Disorder and Alzheimer’s Risk Overlap: Study
Genes for Alcohol Use Disorder and Alzheimer’s Risk Overlap: Study
Emma Yasinski | Aug 24, 2021
Genetic, transcriptomic, and epigenetic data reveal molecular mechanisms tying these disorders to each other and to immune disfunction.
Neuron-Released Protein Can Set Off Inflammation: Study
Neuron-Released Protein Can Set Off Inflammation: Study
Marcus A. Banks | Aug 19, 2021
Research in mice suggests that moderating nerve activity with drugs or electrical pulses could modify tissue immune responses, curtailing the chronic pain often associated with inflammatory conditions.
Participant’s Diagnosis Halts Gene Therapy Clinical Trial
Participant’s Diagnosis Halts Gene Therapy Clinical Trial
Amanda Heidt | Aug 12, 2021
The FDA pauses the research program on a lentivirus-based treatment for a rare neurological condition after a patient developed a bone marrow disorder that could presage leukemia.
Study Looks for Effects of Fetal Exposure to Air Pollution
Study Looks for Effects of Fetal Exposure to Air Pollution
Jef Akst | Aug 1, 2021
By measuring various pollutants in the immediate vicinity of pregnant women and tracking brain development of their children, researchers in Barcelona aim to untangle any influence the former has on the latter.
Darby Saxbe Digs into Relationships’ Effects on Human Biology
Darby Saxbe Digs into Relationships’ Effects on Human Biology
Shawna Williams | Aug 1, 2021
In her current work, the University of Southern California psychologist is examining how the transition to fatherhood affects men’s brains.
Groundbreaking Sleep Researcher J. Allan Hobson Dies at 88
Groundbreaking Sleep Researcher J. Allan Hobson Dies at 88
Lisa Winter | Jul 29, 2021
He famously contradicted Sigmund Freud’s views on the meaning of dreams.
Biogen Defends Newly Approved Alzheimer’s Drug
Biogen Defends Newly Approved Alzheimer’s Drug
Jef Akst | Jul 27, 2021
The US Food and Drug Administration has called for a federal investigation of its own regulatory review process after widespread criticism of its decision on Aduhelm.
Retinal Activity Prepares Blind Newborn Mice for Vision
Retinal Activity Prepares Blind Newborn Mice for Vision
Ruth Williams | Jul 22, 2021
Spontaneous waves of nerve impulses flowing across the retina help mouse pups practice motion detection for when they eventually open their eyes.
How Early-Morning Light Exposure Makes Mice Less Depressed
How Early-Morning Light Exposure Makes Mice Less Depressed
Bianca Nogrady | Jul 22, 2021
A light-sensitive gene involved in regulating the body clock may also influence mood, mediating the effect of light.