Gut microbiome: Meet Ruminococcus bromii, the microbe that loves carbs
The fascinating human gut bacterium Ruminococcus bromii is one of the ten most common bacterial species found in the colon.
Mar 27, 2024
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The fascinating human gut bacterium Ruminococcus bromii is one of the ten most common bacterial species found in the colon.
Mar 27, 2024
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While cancer remains one of the leading global causes of death, advancements in cancer therapies have significantly improved its manageability and potential for cure. Among these revolutionary cancer treatments are chimeric ...
Mar 26, 2024
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Drug targets with human genetic evidence are more likely than those without to be clinically translatable and thus enter phase II/III clinical trials or be approved for marketing more quickly, which will likely significantly ...
Mar 26, 2024
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A new study examining cholesteryl esters suggests that periods of prolonged inactivity may affect people differently depending on their age. Cholesteryl esters—which consist of cholesterol molecules bonded with fatty acids—store ...
Mar 25, 2024
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A new research case series published in Frontiers in Nutrition presents food as medicine as a potential treatment for autoimmune diseases, describing three patients with chronic autoimmune disease who showed remarkable improvement ...
Mar 19, 2024
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The life and death of cells are governed by processes that—when disrupted—can lead to cancer. Apoptosis, the process of programmed cell death, is tightly regulated by the B-cell lymphoma-2 (BCL-2) family of proteins. ...
Mar 18, 2024
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The hundreds of species of microorganisms that comprise the microbiome all have different, unique roles.
Mar 18, 2024
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Results from a new nationwide cohort study show that, despite strong recommendations in favor of consuming omega-3 fatty acids for optimal pregnancy outcomes and offspring health, 25% of participants reported rarely or never ...
Mar 1, 2024
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When foreign antigens trigger an immune response, T cells respond by proliferating and differentiating into two groups—effector and memory cells. Epigenetic and transcriptional pathways mediate this response, but the cells ...
Feb 28, 2024
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Scientists with the USDA's Agricultural Research Service, Grand Forks Human Nutrition Research Center and the University of Massachusetts, examined how butyrate, one of the short-chain fatty acids found in the gut, suppresses ...
Feb 27, 2024
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In chemistry, especially biochemistry, a fatty acid is a carboxylic acid often with a long unbranched aliphatic tail (chain), which is either saturated or unsaturated. Carboxylic acids as short as butyric acid (4 carbon atoms) are considered to be fatty acids, whereas fatty acids derived from natural fats and oils may be assumed to have at least eight carbon atoms, caprylic acid (octanoic acid), for example. The most abundant natural fatty acids have an even number of carbon atoms because their biosynthesis involves acetyl-CoA, a coenzyme carrying a two-carbon-atom group (see fatty acid synthesis).
Fatty acids are produced by the hydrolysis of the ester linkages in a fat or biological oil (both of which are triglycerides), with the removal of glycerol. See oleochemicals.
Fatty acids are aliphatic monocarboxylic acids derived from, or contained in esterified form in, an animal or vegetable fat, oil, or wax. Natural fatty acids commonly have a chain of four to 28 carbons (usually unbranched and even numbered), which may be saturated or unsaturated. By extension, the term is sometimes used to embrace all acyclic aliphatic carboxylic acids. This would include acetic acid, which is not usually considered a fatty acid because it is so short that the triglyceride triacetin made from it is substantially miscible with water and is thus not a lipid.
The blend of fatty acids exuded by mammalian skin, together with lactic acid and pyruvic acid, are probably as distinctive as fingerprints, and enable dogs to differentiate between various people. A team from Yale University have in 2009 developed the electronic equivalent of a dog's sense of smell.
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