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Unlocking the aging brain: mTORC1 as a convergent integrator for neurodegeneration and therapeutic intervention
Aging is the primary risk factor for neurodegenerative diseases, characterized by a progressive decline in cellular homeostasis. Central to this process is the mammalian target of rapamycin complex 1 (mTORC1), a convergent integrator regulator of metabolism that integrates nutrient sensing with cellular growth. While essential for development, chronic mTORC1 hyperactivity, termed mTORopathy, emerges during aging, driving a deleterious cycle of mitochondrial dysfunction, neuroinflammation, and...
New GLP-1 diabetes pill delivers major weight loss and blood sugar control
A new oral GLP-1 medication helped people with type 2 diabetes dramatically improve blood sugar control and lose weight in a major clinical trial. The results suggest that highly effective diabetes treatments may soon become available in a much more convenient pill form.
Scientists turned red lettuce green and something surprising happened
Researchers used genome editing to block the production of red pigments in lettuce, causing other beneficial plant compounds to build up instead. The lettuce continued to grow normally, pointing toward a new way to create crops with customized nutritional profiles.
Copper drug clears toxic Alzheimer’s proteins and restores memory
A copper-based compound restored the brain’s ability to clear toxic Alzheimer’s proteins, dramatically reducing amyloid buildup and improving memory in laboratory experiments. The findings point to a potentially fast-tracked new treatment strategy because the drug has already been tested in humans for other neurological conditions.
Daily briefing: Iron-Age human bones were made into tools before interment
‘Every box has been opened’: London botanic gardens digitizes 7 million specimens
In the field — and in the lab — sometimes the simplest tool is best
At-home brain implant gives man with motor neuron disease his daily life back
Why people should work together to shape the economy
The latest benefit of obesity drugs: boosting testosterone and sperm quality
Nanocrystal-tailored recombination for all-perovskite tandem solar modules
A need for pragmatism in preclinical aging and longevity research
How AI is revealing the secret lives of animals from hummingbirds to pumas
Bones of Iron Age skeleton were whittled into tools
AI models have a troubling knack for discovering legal loopholes
AIs on their own found ways to exploit regulations and evade current safeguards
The secret behind smoother, better-tasting protein shakes
A new whey protein manufacturing technique could make protein shakes taste better and feel smoother in the mouth. Researchers traced unwanted bitterness to concentrated minerals and found a way to remove them without sacrificing the improved texture.
French physicist and media star loses doctorate after plagiarism investigation
University punishes Étienne Klein after investigation shows he plagiarized part of his Ph.D. thesis
Reversing prediabetes cuts risk of deadly heart problems by 58%
Bringing blood sugar levels back to normal may dramatically reduce the danger posed by prediabetes. Researchers found that people who reversed prediabetes cut their risk of cardiovascular death or hospitalization for heart failure by 58% and lowered their chances of major heart problems such as heart attacks and strokes by 42%. The benefits lasted for decades and were seen across large long-term studies in both the U.S. and China.
Trajectory of frailty among the older people in a community setting: A cohort study from the Shizuoka Kokuho Database
CONCLUSIONS: These findings highlight severe frailty as a late high-risk state and may inform age- and sex-specific frailty risk stratification and care planning.
Cellular senescence in ischemic stroke: cell-type specificity, temporal dynamics, and response to therapeutic interventions
Increasing experimental and clinical evidence indicates activation of cellular programs resembling senescence and senescence-associated secretory phenotype signaling after stroke. However, a central challenge is definitional: in injured brain tissue, many senescence-associated features overlap with acute stress responses, transient cell-cycle perturbations, and reactive glial or vascular programs, complicating interpretation across models, time points, and cell types. Here, we synthesize the...