Multisystem physiological perspective of human frailty and its modulation by physical activity

JA Taylor, PL Greenhaff, DB Bartlett… - Physiological …, 2023 - journals.physiology.org
“Frailty” is a term used to refer to a state characterized by enhanced vulnerability to, and
impaired recovery from, stressors compared with a nonfrail state, which is increasingly …

Transfer function analysis of dynamic cerebral autoregulation: a CARNet white paper 2022 update

RB Panerai, P Brassard, JS Burma… - Journal of Cerebral …, 2023 - journals.sagepub.com
Cerebral autoregulation (CA) refers to the control of cerebral tissue blood flow (CBF) in
response to changes in perfusion pressure. Due to the challenges of measuring intracranial …

Insulin regulates neurovascular coupling through astrocytes

AM Fernandez, L Martinez-Rachadell… - Proceedings of the …, 2022 - National Acad Sciences
Mice with insulin receptor (IR)–deficient astrocytes (GFAP-IR knockout [KO] mice) show
blunted responses to insulin and reduced brain glucose uptake, whereas IR-deficient …

The influence of virus infection on microglia and accelerated brain aging

L Filgueira, A Larionov, N Lannes - Cells, 2021 - mdpi.com
Microglia are the resident immune cells of the central nervous system contributing
substantially to health and disease. There is increasing evidence that inflammatory microglia …

Dynamic cerebral autoregulation in Alzheimer's disease and mild cognitive impairment: A systematic review

R Heutz, J Claassen, S Feiner… - Journal of Cerebral …, 2023 - journals.sagepub.com
Dynamic cerebral autoregulation (dCA) is a key mechanism that regulates cerebral blood
flow (CBF) in response to transient changes in blood pressure (BP). Impairment of dCA …

Circadian and diurnal regulation of cerebral blood flow

AJS Webb, EB Klerman, ET Mandeville - Circulation Research, 2024 - Am Heart Assoc
Circadian and diurnal variation in cerebral blood flow directly contributes to the diurnal
variation in the risk of stroke, either through factors that trigger stroke or due to impaired …

Sex modifies the relationship between age and neurovascular coupling in healthy adults

JL Koep, B Bond, AR Barker… - Journal of Cerebral …, 2023 - journals.sagepub.com
Neurovascular coupling (NVC) is the matching between local neuronal activity and regional
cerebral blood flow (CBF), but little is known about the effects of age and sex on NVC. This …

Transcranial Doppler Ultrasound and Concussion–Supplemental Symptoms with Physiology: A Systematic Review

MG Neill, JS Burma, LN Miutz, CM Kennedy… - Journal of …, 2024 - liebertpub.com
Sport-related concussion (SRC) can impair the cerebrovasculature both acutely and
chronically. Transcranial Doppler (TCD) ultrasound assessment has the potential to …

Quantification of hypoxic regions distant from occlusions in cerebral penetrating arteriole trees

Y Xue, T Georgakopoulou… - PLoS computational …, 2022 - journals.plos.org
The microvasculature plays a key role in oxygen transport in the mammalian brain. Despite
the close coupling between cerebral vascular geometry and local oxygen demand, recent …

Cerebral arterial flow dynamics during systole and diastole phases in young and older healthy adults

KP Owashi, C Capel, O Balédent - Fluids and Barriers of the CNS, 2023 - Springer
Background Since arterial flow is the leading actor in neuro-fluids flow dynamics, it might be
interesting to assess whether it is meaningful to study the arterial flow waveform in more …