Results 81 to 90 of about 957,746 (360)

Aging‐Driven Blood–Brain Barrier Dysfunction and Its Impact on CNS Cancer Susceptibility: A Comprehensive Narrative Review

open access: yesAging and Cancer, EarlyView.
Aging weakens the blood–brain barrier (BBB), increasing susceptibility to CNS cancers and complicating treatment. This review examines BBB deterioration, its impact on drug delivery, and potential interventions like targeting neuroinflammation and advanced therapies.
Quang La, Aiman Baloch, David F. Lo
wiley   +1 more source

Elimination of substances from the brain parenchyma: efflux via perivascular pathways and via the blood–brain barrier

open access: yesFluids and Barriers of the CNS, 2018
This review considers efflux of substances from brain parenchyma quantified as values of clearances (CL, stated in µL g−1 min−1). Total clearance of a substance is the sum of clearance values for all available routes including perivascular pathways and ...
Stephen B. Hladky, Margery A. Barrand
doaj   +1 more source

Electron transmission through a periodically driven graphene magnetic barrier [PDF]

open access: yes, 2016
The kinetic transport of electrons through graphene magnetic barriers is studied theoretically in presence of an external time harmonic scalar potential. The transmission coefficients are calculated in the framework of the non-perturbative Floquet theory using transfer matrix method.
arxiv   +1 more source

Properties of 1D two-barrier quantum pump with harmonically oscillating barriers [PDF]

open access: yesPhysical Review B vol. 74, p.125317 (2006), 2005
We study a one-dimensional quantum pump composed of two oscillating delta-functional barriers. The linear and non-linear regimes are considered. The harmonic signal applied to any or both barriers causes the stationary current. The direction and value of the current depend on the frequency, distance between barriers, value of stationary and oscillating
arxiv   +1 more source

Microglial activation and blood–brain barrier permeability in cerebral small vessel disease

open access: yesBrain : a journal of neurology, 2021
See Edison (doi:10.1093/brain/awab149) for a scientific commentary on this article. Using advanced brain imaging techniques, Walsh et al. provide evidence of both neuroinflammation and increased blood-brain barrier permeability in patients with cerebral ...
J. Walsh   +11 more
semanticscholar   +1 more source

Blood-brain- barrier co-culture models to study nanoparticle penetration : focus on co-culture systems [PDF]

open access: yes, 2015
The blood-brain barrier, as a physical, active transport and metabolic barrier represents the main obstacle in the treatment of central nervous system diseases.
Bocsik, Alexandra   +4 more
core  

Hepatic acute phase response protects the brain from focal inflammation during postnatal window of susceptibility [PDF]

open access: yes, 2018
Perinatal inflammation is known to contribute to neurodevelopmental diseases. Animal models of perinatal inflammation have revealed that the inflammatory response within the brain is age dependent, but the regulators of this variation remain unclear.
Anthony, D C   +6 more
core   +2 more sources

HPDL Variant Type Correlates With Clinical Disease Onset and Severity

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Recently, a mitochondrial encephalopathy due to biallelic HPDL variants was described, associated with a broad range of clinical manifestations ranging from severe, infantile‐onset neurodegeneration to adolescence‐onset hereditary spastic paraplegia. HPDL converts 4‐hydroxyphenylpyruvate acid (4‐HPPA) into 4‐hydroxymandelate (4‐HMA),
Eun Hye Lee   +19 more
wiley   +1 more source

B3Pred: A Random-Forest-Based Method for Predicting and Designing Blood–Brain Barrier Penetrating Peptides

open access: yesPharmaceutics, 2021
The blood–brain barrier is a major obstacle in treating brain-related disorders, as it does not allow the delivery of drugs into the brain. We developed a method for predicting blood–brain barrier penetrating peptides to facilitate drug delivery into the
Vinod Kumar   +4 more
doaj   +1 more source

Leukotrienes increase blood-brain barrier permeability following intraparenchymal injections in rats [PDF]

open access: yes, 1985
To examine whether leukotrienes could increase blood–brain barrier permeability, rats were anesthetized and injected intravenously with Evans blue. Ten microliters of vehicle, of leukotrienes B 4 , C 4 , or E 4 , or of arachidonic acid was injected over ...
Abdel-Halim   +10 more
core   +1 more source

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