Medical research

Scientists link 'hunger hormone' to memory in Alzheimer's study

Scientists at The University of Texas at Dallas have found evidence suggesting that resistance to the "hunger hormone" ghrelin in the brain is linked to the cognitive impairments and memory loss associated with Alzheimer's ...

Immunology

Double-stranded RNA induces bone loss during gum disease

Tokyo University of Agriculture and Technology researchers reported on a new discovery regarding the mechanisms for bone loss in gum disease (periodontitis). They found that double stranded RNA molecules can activate the ...

Psychology & Psychiatry

Sleep deprivation increases serotonin 2a receptor response in brain

The serotonin 2A (5-HT2A) receptor is widely distributed in the brain and plays a critical role in perception, cognition and psychosis. It is also responsible for the psychedelic effects of drugs, such as psilocybin (hallucinogenic ...

Medical research

Worms reveal why melatonin promotes sleep

Melatonin is used as a dietary supplement to promote sleep and get over jet lag, but nobody really understands how it works in the brain. Now, researchers at UConn Health show that melatonin helps worms sleep, too, and they ...

Neuroscience

Team discovers one more piece to the autism puzzle

Mutations in a subunit of a receptor that binds the major inhibitory neurotransmitter GABAA in the brain have been linked, through a common mechanism, to epilepsy, autism and intellectual disability, researchers at Vanderbilt ...

Oncology & Cancer

Anti-depressant repurposed to treat childhood cancer

A new study has found that a commonly prescribed antidepressant may halt growth of a type of cancer known as childhood sarcoma, at least in mice and laboratory cell experiments. The findings, from researchers at Karolinska ...

Diseases, Conditions, Syndromes

What is the ACE2 receptor, and how is it connected to coronavirus?

In the search for treatments for COVID-19, many researchers are focusing their attention on a specific protein that allows the virus to infect human cells. Called the angiotensin-converting enzyme 2, or ACE2 "receptor," the ...

Medical research

New discovery in breast cancer treatment

Researchers at the University of Adelaide have found new evidence about the positive role of androgens in breast cancer treatment with immediate implications for women with estrogen receptor-driven metastatic disease.

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