Phys.org
Catching a scramblase in the act could pave the way to improved blood disorder and cancer treatments
Researchers at Weill Cornell Medicine have mapped the precise mechanics of TMEM16, a scramblase protein embedded in cell membranes that plays a critical role in biological processes across all animals. When scramblases malfunction, the consequences range from blood clotting disorders to cancer. The findings open a potential pathway for targeted therapies aimed at correcting or modulating scramblase activity in diseased cells.
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Scientists discover natural hormone that reverses obesity
Researchers have identified a natural hormone, FGF21, that reverses obesity in mice by activating a brain circuit in the hindbrain that boosts energy expenditure rather than suppressing appetite. The mechanism is distinct from GLP-1 drugs like Ozempic, which target the same brain region but work by curbing hunger. The discovery opens a new therapeutic avenue for obesity and liver disease treatments that could complement or outperform existing options.
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Webb's Little Red Dots may reveal how giant black holes formed soon after the Big Bang
Early observations from the James Webb Space Telescope have uncovered a population of compact, faint objects dubbed "Little Red Dots," believed to harbor supermassive black holes hundreds of millions of times the mass of our sun. These findings push back the known timeline of black hole formation to just a few hundred million years after the Big Bang. Understanding how such massive objects formed so rapidly could rewrite fundamental theories of early cosmic evolution.
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Scientists supercharge immune cells to destroy cancer more effectively
Researchers have engineered cancer-killing immune cells with enhanced signaling components, dramatically improving their precision and tumor-destroying power. In a counterintuitive twist, briefly suppressing the cells with a drug prior to deployment made them significantly more effective. The findings could accelerate the development of next-generation immunotherapies that are both safer and more potent than current options.
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AI-powered tool could speed treatments for antibiotic-resistant bacteria by pinpointing potent peptides
Researchers at Houston Methodist have developed an AI-powered tool capable of identifying potent antimicrobial peptides — small proteins that disrupt the outer defenses of antibiotic-resistant bacteria. The study, published in Nature Communications, marks a significant step forward in the race to find effective treatments against one of medicine's most pressing threats. By accelerating the discovery of viable peptide candidates, the technology could dramatically shorten the timeline from lab research to clinical application.
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