Results 51 to 60 of about 42,864 (300)

Nicotinic α7 acetylcholine receptor-mediated currents are not modulated by the tryptophan metabolite kynurenic acid in adult hippocampal interneurons [PDF]

, 2012
The tryptophan metabolite, kynurenic acid (KYNA), is classically known to be an antagonist of ionotropic glutamate receptors. Within the last decade several reports have been published suggesting that KYNA also blocks nicotinic acetylcholine receptors (nAChRs) containing the \alpha7 subunit (\alpha7*).
arxiv   +1 more source

Biomimetic Design of Biocompatible Neural Probes for Deep Brain Signal Monitoring and Stimulation: Super Static Interface for Immune Response‐Enhanced Contact

Advanced Functional Materials, EarlyView.
Ultrathin, flexible neural probes are developed with an innovative, biomimetic design incorporating brain tissue‐compatible materials. The material system employs biomolecule‐based encapsulation agents to mitigate inflammatory responses, as demonstrated through comprehensive in vitro and in vivo studies.
Jeonghwa Jeong, Gyeonghwa Heo, Young Woo Kwon, Seon Yeong Chae, Min Jae Kim, Ki Jun Yu, Hwa Kyoung Shin, Suck Won Hong   +7 more
wiley   +1 more source

Intraoral Drug Delivery: Bridging the Gap Between Academic Research and Industrial Innovations

Advanced Functional Materials, EarlyView.
Intraoral drug delivery offers a promising route for systemic and localized therapies, yet challenges such as enzymatic degradation, limited permeability, and microbial interactions hinder efficacy. This figure highlights innovative strategies—mucoadhesive materials, enzyme inhibitors, and permeation enhancers—to overcome these barriers.
Soheil Haddadzadegan, Simona Summonte, Fabrizio Ricci, Matthias Sandmeier, Andreas Bernkop‐Schnürch   +4 more
wiley   +1 more source

A factor graph EM algorithm for inference of kinetic microstates from patch clamp measurements [PDF]

arXiv, 2021
We derive a factor graph EM (FGEM) algorithm, a technique that permits combined parameter estimation and statistical inference, to determine hidden kinetic microstates from patch clamp measurements. Using the cystic fibrosis transmembrane conductance regulator (CFTR) and nicotinic acetylcholine receptor (nAChR) as examples, we perform {\em Monte Carlo}
arxiv  

Evolution of vertebrate nicotinic acetylcholine receptors

BMC Evolutionary Biology, 2019
Many physiological processes are influenced by nicotinic acetylcholine receptors (nAChR), ranging from neuromuscular and parasympathetic signaling to modulation of the reward system and long-term memory. Due to the complexity of the nAChR family and variable evolutionary rates among its members, their evolution in vertebrates has been difficult to ...
Julia E. Pedersen, Christina A. Bergqvist, Dan Larhammar   +2 more
openaire   +5 more sources

Conformation of acetylcholine bound to the nicotinic acetylcholine receptor. [PDF]

Proceedings of the National Academy of Sciences, 1988
We report here the biologically active conformation of acetylcholine when bound to the high-affinity state of the receptor from Torpedo californica. The acetylcholine conformation was determined in the free and bound states by proton NMR two-dimensional nuclear Overhauser effects. In agreement with x-ray crystallographic data, acetylcholine in solution
Tetsuo Yamane, Ronald W. Behling, Gil Navon, Lynn W. Jelinski   +3 more
openaire   +3 more sources

Krüppel‐like factor 4 transcription factor in blood–brain barrier endothelial cells: A potential role in Alzheimer's disease

Animal Models and Experimental Medicine, EarlyView.
KLF4 (Krüppel‐like factor 4) plays a protective role in blood–brain barrier (BBB). KLF4 plays an ambiguous role in the central nervous system. KLF4 in the BBB endothelial cells could be a potential target for Alzheimer's disease. Abstract Alzheimer's disease is the most prevalent chronic neurodegenerative disorder worldwide, with no sufficient cure ...
Ziying Wei, Chunhua Liu, Jianyu Chen, Yuxiao Yao, Dajiang Qin   +4 more
wiley   +1 more source

The α9α10 acetylcholine receptor: A non-neuronal nicotinic receptor

Pharmacological Research, 2023
Within the superfamily of pentameric ligand-gated ion channels, cholinergic nicotinic receptors (nAChRs) were classically identified to mediate synaptic transmission in the nervous system and the neuromuscular junction. The α9 and α10 nAChR subunits were
Ana Belén Elgoyhen
doaj  

Comparative Assessment of Outcomes in Drug Treatment for Smoking Cessation and Role of Genetic Polymorphisms of Human Nicotinic Acetylcholine Receptor Subunits

Frontiers in Genetics, 2022
Objective: To investigate the effects of genetic polymorphisms of human nicotinic acetylcholine receptor subunits α3, α4 and α5, which are encoded by CHRNA3, CHRNA4 CHRNA5 genes, respectively, on nicotine addiction and outcomes of pharmacological ...
Ahmet Muderrisoglu, Elif Babaoglu, Elif Tugce Korkmaz, Said Kalkisim, Erdem Karabulut, Salih Emri, Melih O. Babaoglu   +6 more
doaj   +1 more source

EAT-18 is an essential auxiliary protein interacting with the non-alpha nAChR subunit EAT-2 to form a functional receptor.

PLoS Pathogens, 2020
Nematode parasites infect approximately 1.5 billion people globally and are a significant public health concern. There is an accepted need for new, more effective anthelmintic drugs.
Shivani Choudhary, Samuel K Buxton, Sreekanth Puttachary, Saurabh Verma, Gunnar R Mair, Ciaran J McCoy, Barbara J Reaves, Adrian J Wolstenholme, Richard J Martin, Alan P Robertson   +9 more
doaj   +1 more source