Results 91 to 100 of about 67,898 (346)

Direct association of occludin with ZO-1 and its possible involvement in the localization of occludin at tight junctions. [PDF]

open access: yesThe Journal of cell biology, 1994
Occludin is an integral membrane protein localizing at tight junctions (TJ) with four transmembrane domains and a long COOH-terminal cytoplasmic domain (domain E) consisting of 255 amino acids. Immunofluorescence and laser scan microscopy revealed that chick full-length occludin introduced into human and bovine epithelial cells was correctly delivered ...
M, Furuse   +6 more
openaire   +2 more sources

DRD2 Deficiency Underlies Pituitary Adenoma Dependent on Escherichia coli Translocation from the Gut

open access: yesAdvanced Science, EarlyView.
Dopamine receptor D2 (DRD2) deficiency disrupts epithelial barrier integrity in both the gut and pituitary gland, facilitating translocation of gut‐derived Escherichia coli into pituitary tissue. Intratumoral E. coli are phagocytosed by microglia, triggering GSDMD‐dependent pyroptosis and HMGB1 release, which subsequently activates MAPK signaling to ...
Xian‐jun Su   +16 more
wiley   +1 more source

Experimental Basis for the High Oral Toxicity of Dinophysistoxin 1: A Comparative Study of DSP

open access: yesToxins, 2014
Okadaic acid (OA) and its analogues, dinophysistoxin 1 (DTX1) and dinophysistoxin 2 (DTX2), are lipophilic and heat-stable marine toxins produced by dinoflagellates, which can accumulate in filter-feeding bivalves.
Diego A. Fernández   +5 more
doaj   +1 more source

Matrix metalloproteinase-9 activity and a downregulated Hedgehog pathway impair blood-brain barrier function in an in vitro model of CNS tuberculosis [PDF]

open access: yes, 2017
Central nervous system tuberculosis (CNS TB) has a high mortality and morbidity associated with severe inflammation. The blood-brain barrier (BBB) protects the brain from inflammation but the mechanisms causing BBB damage in CNS TB are uncharacterized ...
Brilha, Sara   +5 more
core   +3 more sources

Gut Microbiota‐Derived Anandamide Mediates the Therapeutic Effects of Urolithin A on Alcohol‐Induced Cognitive and Social Dysfunction via CB1R‐DRD2‐RAP1 Signaling Axis

open access: yesAdvanced Science, EarlyView.
This study reveals that Urolithin A (UA) counteracts alcohol‐induced cognitive and social dysfunction (AICSD) via a gut microbiome‐dependent mechanism. UA‐enriched Bacteroids sartorii and Parabacteroids distasonis elevate anandamide (AEA), which activates the CB1R‐DRD2‐Rap1 signaling cascade to drive synaptic repair and reduce neuroinflammation ...
Hongbo Zhang   +9 more
wiley   +1 more source

The functional antagonist of sphingosine-1-phosphate, FTY720, impairs gut barrier function

open access: yesFrontiers in Pharmacology
FTY720 or fingolimod is a known functional antagonist of sphingosine-1-phosphate (S1P), and it is effective in treating multiple sclerosis and preventing inflammatory bowel disease (IBD).
Sohini Sikdar   +4 more
doaj   +1 more source

Adaptation of hepatitis C virus to mouse CD81 permits infection of mouse cells in the absence of human entry factors [PDF]

open access: yes, 2010
Hepatitis C virus (HCV) naturally infects only humans and chimpanzees. The determinants responsible for this narrow species tropism are not well defined.
Bitzegeio, Julia   +10 more
core   +2 more sources

Propofol attenuated TNF-α-modulated occludin expression by inhibiting Hif-1α/ VEGF/ VEGFR-2/ ERK signaling pathway in hCMEC/D3 cells

open access: yesBMC Anesthesiology, 2019
BackgroundThe levels of tight junction proteins (TJs), especially occludin, correlate with blood-brain barrier (BBB) disruption caused by inflammation in central nervous system (CNS). It has been reported that propofol, the most commonly used anesthetic,
Yue Zhang   +3 more
semanticscholar   +1 more source

Endocytosis takes occludin for a ride [PDF]

open access: yesJournal of Cell Biology, 2010
Researchers show how cells remove a tight junction protein to tweak small intestine permeability.
openaire   +1 more source

Occludin deficiency with BACE1 elevation in cerebral amyloid angiopathy [PDF]

open access: yesNeurology, 2014
A significant cause of spontaneous hemorrhages in the elderly is cerebral amyloid angiopathy (CAA), which causes degeneration of cerebral vessels, but the mechanisms are unclear.We isolated leptomeningeal vessels from rapidly autopsied brains (the average of postmortem intervals was 3.28 hours) from 9 patients with CAA and 10 age-matched controls, and ...
Xin, Cheng   +5 more
openaire   +2 more sources

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