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165 notícias encontradas para "cells"
Foto: Nadezhda Moryak / Pexels
Fertility proteins flip from reproductive role to support survival and growth of cancer ce
Researchers at the University of Liverpool have discovered that SYCP1, a protein previously thought to function only during the production of sperm and eggs, can be reactivated in cancer cells, where it helps tumors survive and grow. The study, published in Science Advances, reve
Admin Recifes 15/07/2026 1
Brain's immune cells put the brakes on out-of-control circuits in mouse model of Alzheimer
Researchers at Trinity College Dublin have discovered that microglia—the main immune cells of the brain—play a critical role in maintaining the stability of neuronal networks in Alzheimer's disease. Crucially, this suggests treatments that indiscriminately suppress these cells co
Admin Recifes 15/07/2026 0
Best treatment for multiple sclerosis may be antivirals
Best treatment for multiple sclerosis may be antivirals
Low levels of replicating Epstein-Barr viruses might be the main driver of the autoimmune condition multiple sclerosis. This may mean that targeting them would be as effective as suppressing the immune system, with fewer side effects
Admin Recifes 15/07/2026 0
The hidden skeleton “gatekeeper” inside brain cells could help fight Alzheimer's
The hidden skeleton “gatekeeper” inside brain cells could help fight Alzheimer's
Researchers have discovered that a microscopic skeleton inside neurons does much more than hold cells together. It acts as a gatekeeper that controls what brain cells absorb and when they absorb it. When this protective structure weakens, neurons rapidly take in harmful proteins
Admin Recifes 15/07/2026 0
Scientists find hidden individuality in viral infections
Scientists find hidden individuality in viral infections
An international team of researchers developed a new way to uncover hidden differences in how viruses infect and destroy individual microbial cells—solving a biological puzzle that has persisted for more than 80 years.
Admin Recifes 15/07/2026 0
‘Like working in a kettle’: France’s overcrowded prisons swelter under historic heatwave
‘Like working in a kettle’: France’s overcrowded prisons swelter under historic heatwave
The deadly heatwave sweeping France has once again exposed the structural problems of the country’s chronically overcrowded prisons, with groups of three or four detainees crammed into airless cells built to hold a lone prisoner. Analysts and prison staff alike have criticised a
Admin Recifes 15/07/2026 0
Foto: Wolfgang Weiser / Pexels
Stem cell science unlocks more mysteries of the menstrual cycle
Amid all the advances in modern medicine, much of the science behind a woman's menstrual cycle remains mysterious, so a team at Hudson Institute of Medical Research is aiming to change that. Professor Caroline Gargett is an expert in the human endometrium, the highly regenerative
Admin Recifes 15/07/2026 1
The skin microbiota—billions of microbes that protect or harm
A constant interplay takes place on the surface of the body between cells, the immune system and the skin microbiota. We do not notice it—until the balance is disturbed. Then it becomes clear that the outermost layer of the skin plays a crucial role in the well-being of the whole
Admin Recifes 15/07/2026 0
What one sleepless night does to brain connections and why sleep may reset them
What one sleepless night does to brain connections and why sleep may reset them
A night without sleep produced increased markers of connections between brain cells, showing that sleep in humans may be important for restoring cellular balance in the brain, according to a study published in PLOS Biology by David Elmenhorst from the Forschungszentrum Jülich Ins
Admin Recifes 15/07/2026 0
Hope for spinal injuries as pigs walk again after experimental gel treatment for severed s
Hope for spinal injuries as pigs walk again after experimental gel treatment for severed s
In humans and other mammals, spinal cord injuries can be devastating, leading to permanent loss of movement, sensation and bladder control. When severed axons (the long fibers that carry messages between nerve cells) cannot regrow, a dense scar forms, preventing nerve signals fro
Admin Recifes 15/07/2026 0
Blocking a female-only GABA signal that helps glioblastoma evade immunity may boost surviv
Researchers have identified a critical biological difference in how glioblastoma develops in male and female laboratory models, pinpointing an immune pathway that fuels tumor growth only in females. The study shows that the neurotransmitter GABA boosts the cancer-protecting activ
Admin Recifes 15/07/2026 0
What a 'silenced' chromosome can tell us about autoimmunity
What a 'silenced' chromosome can tell us about autoimmunity
Systemic lupus erythematosus (SLE), the most common form of lupus, is an autoimmune disorder that occurs more frequently in women. Having multiple X chromosomes has been associated with an increased risk of developing lupus; however, the reason for this link is still not fully un
Admin Recifes 15/07/2026 1
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