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ScienceDaily: Top Health News |
| New findings on the link between CRISPR gene-editing and mutated cancer cells Posted: 18 Nov 2021 03:15 AM PST A protein that protects cells from DNA damage, p53, is activated during gene editing using the CRISPR technique. Consequently, cells with mutated p53 have a survival advantage, which can cause cancer. Researchers have found new links between CRISPR, p53 and other cancer genes that could prevent the accumulation of mutated cells without compromising the gene scissors' effectiveness. |
| Scientist advances prospect of regeneration in humans Posted: 17 Nov 2021 06:16 PM PST In a study that builds on earlier research that identified macrophages as essential to regeneration in the axolotl, a highly regenerative salamander, a scientist has identified the source of these critical white blood cells as the liver. By giving scientists a place to look for pro-regenerative macrophages in humans, the discovery brings science a step closer to the ability to regenerate tissues and organs lost to injury or disease. |
| In the brain’s cerebellum, a new target for suppressing hunger Posted: 17 Nov 2021 06:16 PM PST Scientists have identified an entirely new way the brain signals fullness after eating. The findings offer a novel target for therapies that could dramatically curb overeating. |
| When older couples are close together, their heart rates synchronize Posted: 17 Nov 2021 06:16 PM PST As couples grow old together, their interdependence heightens. Often, they become each other's primary source of physical and emotional support. Long-term marriages have a profound impact on health and well-being, but benefits depend on relationship quality. A new study examines the dynamics of long-term relationships through spatial proximity. The researchers find that when partners are close to each other, their heart rates synchronize in complex patterns of interaction. |
| Posted: 17 Nov 2021 01:14 PM PST A clinical trial has found people prefer receiving information on the 5:2 diet than standard GP weight management advice despite both interventions achieving similar modest weight loss results. |
| Researchers reveal structure of itch receptors on cells Posted: 17 Nov 2021 12:55 PM PST Scientists have conducted research showing in precise detail how chemicals bind to mast cells to cause itch, and the scientists figured out the detailed structure of receptor proteins on the surface of these cells when a compound is bound to those proteins. |
| New group of antibacterial molecules identified Posted: 17 Nov 2021 07:01 AM PST Researchers have identified a new group of molecules that have an antibacterial effect against many antibiotic-resistant bacteria. Since the properties of the molecules can easily be altered chemically, the hope is to develop new, effective antibiotics with few side effects. |
| `Oh, snap!’ A record-breaking motion at our fingertips Posted: 16 Nov 2021 05:15 PM PST Researchers studied the physics of a finger snap and determined how friction plays a critical role. Using an intermediate amount of friction, not too high and not too low, a snap of the finger produces the highest rotational accelerations observed in humans, even faster than the arm of a professional baseball pitcher. |
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