Results 221 to 230 of about 1,022,127 (268)

Aging and the Spectral Properties of Brain Hemodynamics

open access: yesAdvanced Science, EarlyView.
As the brain ages, its metabolic demands decline—but not uniformly. Here, spectral slope flattening of resting‐state fMRI signals is proposed as a potential biomarker of pathologic brain aging. A subset of older adults diverges from youthful spectral and metabolic patterns, with changes linked to frontal white matter pathology and regional loss of ...
Ki Yun Park   +9 more
wiley   +1 more source

Role of Tunneling Nanotubes in Arachidonic Acid Transfer and Macrophage Function Reprogramming in Intrahepatic Cholangiocarcinoma

open access: yesAdvanced Science, EarlyView.
Tunneling nanotubes facilitate the transfer of long‐chain fatty acids, primarily arachidonic acid, from tumor cells to macrophages, leading to lipid accumulation and activation of the PI3K‐Akt pathway. This drives a shift from the anti‐tumor CD5L⁺ phenotype to a pro‐tumor TREM2⁺ phenotype.
Meiru Chen   +7 more
wiley   +1 more source

Educational Needs in Geriatric Medicine Among Health Care Professionals and Medical Students in COST Action 21122 PROGRAMMING: Mixed-Methods Survey Protocol.

open access: yesJMIR Res Protoc
Ogliari G   +22 more
europepmc   +1 more source

Using the Community Perception Tracker (CPT) to inform COVID-19 response in Lebanon and Zimbabwe: a qualitative methods evaluation. [PDF]

open access: yesBMC Public Health
Majorin F   +12 more
europepmc   +1 more source

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