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160 notícias encontradas para "cells"
‘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 0
Skin renews despite 60% to 70% fibroblast depletion in mice, challenging long-held assumpt
Human skin is constantly rebuilding itself. Every few weeks, the outermost layers shed and are replaced by new cells pushed up from the base. For decades, scientists believed this renewal depended heavily on fibroblasts, a class of supportive cells nestled in the deeper layer of
Admin Recifes 15/07/2026 0
Hidden mechanism driving joint tissue growth in rheumatoid arthritis has been found
Hidden mechanism driving joint tissue growth in rheumatoid arthritis has been found
Researchers at Hospital for Special Surgery (HSS) have identified a specialized population of immune cells that plays a central role in driving abnormal tissue growth in rheumatoid arthritis (RA), offering new insight into disease progression and potential treatment strategies. T
Admin Recifes 15/07/2026 0
New technology helps reveal how the heart generates cells with regenerative potential
New technology helps reveal how the heart generates cells with regenerative potential
Two research teams at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) have developed a pioneering technique in Spain to characterize the proteome of individual cardiomyocytes—the cells responsible for heart contraction.
Admin Recifes 15/07/2026 0
Immune cell–fibroblast crosstalk may be the key trigger of autoimmune diseases
Immune cell–fibroblast crosstalk may be the key trigger of autoimmune diseases
In autoimmune disorders, immune cells targeting "self" proteins are mistakenly activated, resulting in abnormal expansion and responsiveness. These disorders are known to reduce patients' quality of life over a prolonged period. This can be attributed to CD4+ T cells, which play
Admin Recifes 15/07/2026 1
Mapping the hidden rules of a key immune sensor
The immune system depends on molecular alarms that detect danger inside cells. One of these alarms is STING, short for "stimulator of interferon genes." STING helps cells respond to infections, damaged DNA and cancer. When it activates at the right time, it helps protect the body
Admin Recifes 15/07/2026 0
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