Results 101 to 110 of about 121,974 (243)

A giant fusiform middle cerebral artery treated by low-flow superficial temporal artery bypass: A case report

open access: yesRadiology Case Reports, 2022
A giant fusiform aneurysm of the middle cerebral artery is a disease that causes many difficulties for endovascular intervention as well as surgery. No 1 solution is optimal for all cases, however for post-bifurcation aneurysms, trapping the aneurysms ...
Duy Ton Mai, PhD, MD, MSc   +6 more
doaj  

A new computational model for quantifying blood flow dynamics across myogenically-active cerebral arterial networks [PDF]

open access: yesarXiv
Cerebral autoregulation plays a key physiological role by limiting blood flow changes in the face of pressure fluctuations. Although the involved cellular processes are mechanically driven, the quantification of haemodynamic forces in in-vivo settings remains extremely difficult and uncertain.
arxiv  

The contribution of extracellular RNA and its derived biomaterials in disease management

open access: yesBMEMat, EarlyView.
The implications of exRNA's biological function and the structural uniqueness of RNA help establish a close connection between RNA, material, and modern medicine. Abstract The RNA found in the circular system is known as extracellular RNA (exRNA). This kind of RNA has been found to play a biological role similar to that of a messenger. They can be used
Yu Wei   +8 more
wiley   +1 more source

A data-informed mathematical model of microglial cell dynamics during ischemic stroke in the middle cerebral artery [PDF]

open access: yesarXiv
Neuroinflammation immediately follows the onset of ischemic stroke in the middle cerebral artery. During this process, microglial cells are activated in and recruited to the penumbra. Microglial cells can be activated into two different phenotypes: M1, which can worsen brain injury; or M2, which can aid in long-term recovery.
arxiv  

Phase synchronization in cerebral hemodynamics [PDF]

open access: yesarXiv, 2004
A healthy human brain is perfused with blood flowing laminarly through cerebral vessels, providing brain tissue with substrates such as oxygen and glucose. Under normal conditions, cerebral blood flow is controlled by autoregulation as well as metabolic, chemical and neurogenic regulation.
arxiv  

3D‐cultured BMSC exosomes improve cerebral ischemia/reperfusion injury‐induced neuronal apoptosis by regulating the microglia polarization

open access: yesBMEMat, EarlyView.
The study reveals that microglial activation significantly contributes to neuroinflammation following cerebral ischemia‐reperfusion injury. It demonstrates that utilizing GelMA hydrogel for three‐dimensional culture of bone marrow‐derived mesenchymal stem cells (BMSCs) enhances the efficacy of BMSC‐derived exosomes in regulating microglial polarization
Yuming Li   +13 more
wiley   +1 more source

Variations in Human Trigeminal and Facial Nerve Branches and Foramina Identified by Dissection and Microcomputed Tomography

open access: yesClinical Anatomy, EarlyView.
ABSTRACT The aim of this study was to identify branches of the trigeminal and facial nerves (FNs) relevant to surgical incisions and injections and the scalp block techniques in the frontotemporal region, and to determine their relationships with superficial vascular structures and bony landmarks.
Hannah L. Grimes   +5 more
wiley   +1 more source

Ethnomedicinal Uses, Phytochemistry, Pharmacological Activities, and Toxicology of the Subfamily Gomphrenoideae (Amaranthaceae): A Comprehensive Review

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT The subfamily Gomphrenoideae is composed of about 480 accepted species, many of which have been historically used as medicinal plants, reason why they have been studied in terms of chemical profile, biological activity, and safety. This review consolidates the advances in research on this subfamily over the past 47 years, emphasizing its ...
Dayanna Isabel Araque Gelves   +3 more
wiley   +1 more source

Anomalous origin of a middle cerebral artery from anterior cerebral artery with no association to an accessory or duplicated middle cerebral artery

open access: yesInterdisciplinary Neurosurgery, 2022
The middle cerebral artery (MCA) is one of the major paired intracranial arteries involved in the formation of the circle of Willis. MCA is the most complex of the intracranial arteries mainly because it supplies the cerebral neocortex, which has been ...
S. Matanov   +3 more
doaj  

Mammalian Tolerance to Amino Acid Heterochirality

open access: yesChemBioChem, Accepted Article.
Organisms use amino acids predominantly in l‐configuration. On the other hand, a series of studies show that a variety of d‐amino acids also occur in mammals and amino acid homochirality is not complete. Mammals de novo synthesize most amino acids with l‐configuration, but serine and aspartate are converted from l‐ to d‐configuration by endogenous ...
Jumpei Sasabe   +4 more
wiley   +1 more source

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