Microbial communities in the intestine—also known as the gut microbiome—are vital for human digestion, metabolism and resistance to colonization by pathogens. The gut microbiome composition in infants and toddlers changes ...
May 8, 2020
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Laboratory research has always been limited in terms of what conclusions scientists can safely extrapolate from animal experiments to the human population as a whole. Many promising findings in mice have not held up under ...
May 29, 2011
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Scientists at Columbia University's Mortimer B. Zuckerman Mind Brain Behavior Institute have developed a new viral tool that dramatically expands scientists' ability to probe the activity and circuitry of brain cells, or ...
Jan 21, 2016
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A stomach bacterium believed to cause health problems such as gastritis, ulcers, and gastric cancer may play a dual role by balancing the stomach's ecosystem and controlling body weight and glucose tolerance, according to ...
Feb 8, 2013
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HIV is believed to have evolved from a simian immunodeficiency virus, or SIV, that originated in chimpanzees. How SIV made the species jump has remained a mystery, since humans possess a defense mechanism that should prevent ...
Apr 5, 2018
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146
Researchers at the University of Helsinki and Folkhälsan Research Center have, together with their collaborators, demonstrated in a mouse model that the partial restoration of respiratory chain function in mitochondria, ...
Dec 20, 2018
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Certain saturated fats that are common in the modern Western diet can initiate a chain of events leading to complex immune disorders such as inflammatory bowel diseases (IBD) in people with a genetic predisposition, according ...
Jun 13, 2012
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A strain of inbred mice commonly used for the creation of so-called knockout animals has been found to carry a previously undetected mutation that could affect the results of immune system research studies. In paper receiving ...
May 19, 2016
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Infectious proteins called prions cause a group of related, fatal and incurable neurodegenerative disorders, including bovine spongiform encephalopathy or Mad Cow disease and Creutzfeldt-Jakob disease, both of which affect ...
Jun 11, 2019
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90
Tumors arise when cells shake off their restraints and start to multiply out of control. But how fast a tumor grows does not depend solely on how quickly the cancer cells can divide, a new study has found.
May 30, 2019
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