Results 181 to 190 of about 4,781,201 (273)

The Role of Dendritic Spines in Water Exchange Measurements With Diffusion MRI: Time‐Dependent Single Diffusion Encoding MRI

open access: yesNMR in Biomedicine, Volume 39, Issue 10, October 2026.
Geometric exchange between dendritic spines and shafts is often neglected, yet it exhibits the same signature as permeative exchange, biasing NEXI/SMEX measurements. We propose two models: an extended three‐compartment Kärger model that resolves spine–shaft exchange explicitly, and a coarse‐grained Kärger model that absorbs spines into an effective ...
Kadir Şimşek   +3 more
wiley   +1 more source

Dizziness, Lower Limb Weakness, and Falls in COPD: A Prospective Longitudinal Pilot Study Using Monthly Home Diaries

open access: yesPhysiotherapy Research International, Volume 31, Issue 4, October 2026.
ABSTRACT Background and Purpose Falls affect approximately half of individuals with chronic obstructive pulmonary disease (COPD) and are associated with hospitalization, accelerated functional decline, and early institutionalization. Existing evidence suggests that single‐visit assessments have limited and inconsistent ability to predict the future ...
Danielle Ferreira de Santana Silva   +5 more
wiley   +1 more source

Repeated Moderate and Severe Heat Exposure Has Divergent Effects on Skeletal Muscle Mitochondrial, Proteostatic and Neuromuscular Outcomes in Mice

open access: yesActa Physiologica, Volume 242, Issue 10, October 2026.
ABSTRACT Aim Repeated heat exposure may promote adaptive remodeling or cumulative tissue burden depending on thermal dose, but its graded molecular and functional consequences during recovery remain unclear. We examined whether repeated moderate (39°C) and severe (41°C) whole‐body hyperthermia produce distinct skeletal muscle trajectories involving ...
Cansu Yakin   +4 more
wiley   +1 more source

Developmental transformations of Purkinje cells tracked by DNA electrokinetic mobility. [PDF]

open access: yesCell Rep Methods
Brandenburg C   +10 more
europepmc   +1 more source

Synaptic Proteostasis in Health and Disease

open access: yesJournal of Neurochemistry, Volume 170, Issue 10, October 2026.
The localised creation and degradation of proteins at the pre and postsynaptic terminal are processes that are crucial for neuronal homeostasis. Synaptic proteostasis pathways are frequently reported as dysregulated in neurodevelopmental and neurodegenerative disorders.
Paul G. Donlin‐Asp, Emma L. Clayton
wiley   +1 more source

An eikonal model with re‐excitability for fast simulations in cardiac electrophysiology

open access: yesThe Journal of Physiology, Volume 604, Issue 19, Page 8264-8283, 1 October 2026.
Abstract figure legend Restitution properties obtained from cable‐equation simulations and anisotropic remeshing informed by local fibre orientation are combined in an eikonal model with re‐excitability. The resulting reduced electrophysiology model enables efficient simulations of recurrent activation patterns, here illustrated by atrial re‐entry ...
Lia Gander   +3 more
wiley   +1 more source

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