Cl(-) transporters that bear a terminal ethynyl group were synthesized; they consist of non-pyrrolic hydrogen bond motifs such as phenolic OH, amide NH, and triazole CH. The ethynyl group of these non-pyrrolic analogs plays an important role in chloride efflux and they exhibit no significant cytotoxic activity.
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Chem Commun (Camb)
January 2025
Department of Biological Science and Technology, Faculty of Advanced Engineering, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku Tokyo 125-8585, Japan.
Divergent synthesis of triazoles was achieved using newly designed platform molecules possessing azide, alkyne, and fluorosulfonyl moieties. Consecutive conjugations by the sulfur(VI) fluoride exchange and following consecutive triazole formations allowed us to prepare a wide variety of bis(triazole)s by virtue of selective transformations. One-pot triple-click assembly of easily accessible modules led to the facile synthesis of middle-molecular-weight triazoles with various functional moieties.
View Article and Find Full Text PDFPharmacol Biochem Behav
January 2025
Department of Psychology, Arizona State University, Tempe, AZ 85257, United States of America. Electronic address:
Glutamatergic signaling is one of the primary targets of actions of alcohol in the brain, and dysregulated excitatory transmission in the prefrontal cortex (PFC) may contribute problematic drinking and relapse. A prominent component of glutamate signaling is the type 5 metabotropic glutamate (mGlu5) receptor. However, little is known about the role of this receptor type in subregions of the PFC that regulate either alcohol intake or alcohol-seeking behavior.
View Article and Find Full Text PDFACS Chem Neurosci
January 2025
Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China.
Aluminum is a well-known and widely distributed environmental neurotoxin. This study aimed to investigate the effect of miR-98-5p targeting insulin-like growth factor 2 (IGF2) on aluminum neurotoxicity. Thirty-two Sprague-Dawley rats were randomly divided into four groups and administered 0, 10, 20, and 40 μmol/kg maltol aluminum [Al(mal)], respectively.
View Article and Find Full Text PDFAcc Chem Res
January 2025
Laboratory for Chemistry and Life Science (CLS), Institute of Integrated Research, Institute of Science Tokyo, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan.
ConspectusThe design of properties and functions of molecular assemblies requires not only a proper choice of building blocks but also control over their packing arrangements. A highly versatile unit in this context is a particular type of triptycene with substituents at the 1,8,13-positions, called tripodal triptycene, which offers predictable molecular packing and multiple functionalization sites, both at the opposite 4,5,16- or 10 (bridgehead)-positions. These triptycene building blocks are capable of two-dimensional (2D) nested hexagonal packing, leading to the formation of 2D sheets, which undergo one-dimensional (1D) stacking into well-defined "2D+1D" structures.
View Article and Find Full Text PDFBull Exp Biol Med
December 2024
Hunan University of Chinese Medicine, Changsha, Hunan, China.
We studied the effect of acteoside on a model of human corneal epithelial cells (HCEC) injury induced by HO. HCEC were divided into 4 groups and cultured for 24 h in normal medium (intact and control groups, respectively), or in a medium containing DMSO or 160 μM acteoside (DMSO and acteoside groups, respectively). Then, HO solution was added to HCEC for 4 h, except for intact cells.
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