by Katherine Moss, University of Kent T cells induce galectin-9 secretion in human cancer cells derived from solid malignant tumors and keratinocytes. (A) Human cancer cells derived from solid malignant tumors, HaCaT keratinocytes and primary human embryonic cells were cocultured for 16 hours with Jurkat T cells at a ratio of 1:1. Cells were then...
by Stephanie Dutchen, Harvard Medical School Credit: Cell (2023). DOI: 10.1016/j.cell.2022.12.027 An international study 13 years in the making demonstrates for the first time that degradation in the way DNA is organized and regulated—known as epigenetics—can drive aging in an organism, independently of changes to the genetic code itself. The work shows that a breakdown in epigenetic...
Guardian science correspondent is put to the test in the panic-inducing VR world of a game that teaches breathing technique Linda Geddes, left, tries the VR game. Photograph: Graeme Robertson/The Guardian Linda Geddes Science correspondent Fri 13 Jan 2023 07.00 EST Tethered to a chair, in a gloomy basement, I’m doing my best not to...
Christine Kilgore November 14, 2022 Apple A. Bodemer, MD, a dermatologist at the University of Wisconsin, Madison, teaches patients how to breathe mindfully. So does Kathy Farah, MD, an integrative family physician who practices in Roberts, Wis. Mindful breathing is the most basic mind-body skill and one that can help interrupt the itch-scratch cycle and relieve pain, stress, and...
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Holly Else Alzheimer’s disease, as shown on the right side of this scan, transforms the brains of people with the neurodegenerative condition.Credit: Science History Images/Alamy A scientific journal has revamped its whistle-blower policy amid a dispute over the integrity of research underlying an experimental Alzheimer’s drug. In a 1 November 2022 editorial in The Journal of Clinical Investigation (JCI), editor-in-chief Elizabeth McNally...
by Massachusetts General Hospital Credit: CC0 Public Domain Lung cancer is the leading cause of cancer death in the United States and around the world. Low-dose chest computed tomography (LDCT) is recommended to screen people between 50 and 80 years of age with a significant history of smoking, or who currently smoke. Lung cancer screening...
by University of Michigan Credit: Unsplash/CC0 Public Domain New research shows that 28% of people over the age of 71 have a visual impairment, even while wearing their regular glasses, contact lenses, or other visual aids. “These findings are important to address, as poor vision is associated with several adverse outcomes for older adults, including depression,...
by Prabhjot Sohal, University of Western Ontario HippUnfold uses artificial intelligence to unfold the hard-to-reach areas of the hippocampus (highlighted). Credit: Schulich Communications The hippocampus is a small, complex, folded brain structure that holds clues to several brain disorders. It is also one of the most difficult-to-map regions of the brain. After developing a successful...
After two decades of decline, cases of prostate cancer rose by 3% per year from 2014 to 2019, a new report from the American Cancer Society has found. Jan. 12, 2023, 2:42 PM MSTBy Linda Carroll More men are being diagnosed with advanced prostate cancer that is less likely to respond to treatments, a new study from...
