Results 91 to 100 of about 329,742 (333)

Influence of Altitude on Caffeine, 5-Caffeoylquinic Acid, and Nicotinic Acid Contents of Arabica Coffee Varieties

open access: yesJournal of Chemistry, 2020
The influence of altitude on caffeine, 5-caffeoylquinic acid (5-CQA), and nicotinic acid contents of Arabica coffee varieties grown in Southwest Ethiopia was investigated.
Bealu Girma, Abera Gure, Feyisa Wedajo
doaj   +1 more source

Schizophrenia is a TH2 dominant autoimmune disease possibly against acetylcholine receptors of CNS [PDF]

open access: yes, 2012
Schizophrenia is a very common psychiatric disorder. However, its etiology and pathogenesis is still unknown. Current theory saying that neurotransmitter imbalance such as serotonin or dopamine only provides limited effectiveness in schizophrenia ...
Wanchung(Wan-Jiung) Hu
core   +1 more source

Characterization of an emergent clone of enteroinvasive Escherichia coli circulating in Europe [PDF]

open access: yes, 2016
Enteroinvasive Escherichia coli (EIEC) cause intestinal illness indistinguishable from that caused by Shigella, mainly in developing countries. Recently an upsurge of cases of EIEC infections has been observed in Europe, with two large outbreaks ...
Caprioli, A.   +9 more
core   +1 more source

Single‐Cell Transcriptome Atlas Reveals the Underlying Mechanism of Kynurenic Acid in the Regulation of Tumor Immune Microenvironment in Glioblastoma

open access: yesAdvanced Science, EarlyView.
KYNA regulates the tumor immune microenvironment in glioblastoma. KYNA reprograms the balance between T cell exhaustion and activation to suppress glioblastoma progression through inhibiting exhaustion‐associated markers (such as PD‐1, LAG3, and TOX) and enhancing immune activation and cytotoxicity markers including granzymes GZMA and GZMB.
Di Chen   +19 more
wiley   +1 more source

Nicotinic Receptor Activity Alters Synaptic Plasticity

open access: yesThe Scientific World Journal, 2001
Studies using specific agonists, antagonists, and lesions have shown that nicotinic cholinergic systems participate in attention, learning, and memory[1,2].
John A. Dani
doaj   +1 more source

Activity of nAChRs containing α9 subunits modulates synapse stabilization via bidirectional signaling programs [PDF]

open access: yes, 2009
Although the synaptogenic program for cholinergic synapses of the neuromuscular junction is well known, little is known of the identity or dynamic expression patterns of proteins involved in non-neuromuscular nicotinic synapse development.
Elgoyhen, Ana Belen   +3 more
core   +1 more source

Interactions between 2′-fluoro-(carbamoylpyridinyl)deschloroepibatidine analogues and acetylcholine-binding protein inform on potent antagonist activity against nicotinic receptors [PDF]

open access: hybrid, 2022
Renata V Bueno   +11 more
openalex   +1 more source

Smohaze‐Upregulated RFWD3 Competes with TRIM24 to Stabilize TREX1 and Reduce Cytosolic dsDNA in Non‐Small Cell Lung Cancer

open access: yesAdvanced Science, EarlyView.
The E3 ubiquitin ligase RFWD3 binds the exonuclease TREX1 and protects it from TRIM24‐mediated ubiquitination and degradation, leading to the eradication of intracellular dsDNA, inhibition of the cGAS‐STING pathway, and immunosuppressive microenvironment of lung cancer.
Xue‐Yan Shi   +12 more
wiley   +1 more source

Cholesterol modulates acetylcholine receptor diffusion by tuning confinement sojourns and nanocluster stability [PDF]

open access: yes, 2018
Translational motion of neurotransmitter receptors is key for determining receptor number at the synapse and hence, synaptic efficacy. We combine live-cell STORM superresolution microscopy of nicotinic acetylcholine receptor (nAChR) with single-particle ...
Barrantes, Francisco Jose   +2 more
core   +2 more sources

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