Atherosclerosis, the clogging of the arteries with fatty plaques, is a major cause of death worldwide. Human atherosclerosis often involves calcification (or a build-up of calcium) in the arteries, and thrombosis, where a ...
Oct 27, 2022
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Pancreatic ductal adenocarcinoma (PDAC) is the most common and most lethal form of pancreatic cancer. The overall 5-year survival for patients with PDAC is just 7.1 percent.
Oct 6, 2022
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RNA is often described as the single-stranded cousin of DNA, the double-stranded molecule that makes up the genomes of all living organisms. Many types of non-living viruses, however, carry their genetic information in a ...
Oct 5, 2022
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Every cell has two mechanisms for repairing DNA single- or double-strand breaks, which can be induced by such factors as environmental toxins, chemotherapy, or ionizing radiation. The first one consists of the DNA repair ...
Sep 21, 2022
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The exchange of gases between the air we breathe and our blood takes place via alveoli—tiny air sacs in our lungs. For this process to run smoothly, the epithelial cells of the alveoli produce a substance called "surfactant" ...
Sep 16, 2022
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Human beings and fruit flies have very little in common—at first sight. However, by studying these flies, it is in fact possible to find out more about human nature, particularly when it comes to depressive disorders.
Sep 16, 2022
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Maintaining a regular workout routine can help you look and feel great—but did you know that exercise also helps maintain your muscles and bones? People who are unable to engage in physical activity experience weakening ...
Sep 13, 2022
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If bacteria enter the body, it often takes just a few minutes for the innate immune system to recognize them as foreign and set the immune defense in motion. Receptors of the immune system that recognize bacterial cell wall ...
Aug 25, 2022
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In a small patch of skin no bigger than an inch, there are millions of cells all performing duties, like protecting us from bacteria and sensing temperature. A portion of them are melanocytes, a type of cell dedicated to ...
Aug 4, 2022
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Bone remodeling in the body involves a balancing act between osteoblasts, cells that build bone, and osteoclasts, cells that break it down. Diseases such as osteoporosis, arthritis, and periodontitis involve bone loss, and ...
Jul 26, 2022
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