Results 51 to 60 of about 821,561 (307)

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

Role of Sigma Receptors in Alcohol Addiction

open access: yesFrontiers in Pharmacology, 2019
Pharmacological treatments for alcohol use disorder (AUD) are few in number and often ineffective, despite the significant research carried out so far to better comprehend the neurochemical underpinnings of the disease.
Sema G. Quadir   +2 more
doaj   +1 more source

The Evaluation of AZ66, A Highly Selective Sigma-1 and Sigma-2 Receptor Antagonist, For Its Anti-Convulsive Effects in C57BL/6 Mice [PDF]

open access: yes, 2017
The Evaluation of AZ66, A Highly Selective Sigma-1 and Sigma-2 Antagonist, for Anticonvulsive Effects in C57Bl/6 Mice (Under the direction of Lisa Wilson and Dr. Christopher McCurdy) Sigma receptors have become a popular subject for research the past
Stone, Jamie
core   +1 more source

Ontogeny of purinergic receptor-regulated Ca2+ signaling in mouse cortical collecting duct epithelium [PDF]

open access: yes, 2002
Changes in ATP-induced increase in {[}Ca2+], during collecting duct ontogeny were studied in primary monolayer cultures of mouse ureteric bud (UB) and cortical collecting duct (CCD) cells by Fura-PE3 fluorescence ratio imaging.
Borscheid, R.   +4 more
core   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Barbamide Displays Affinity for Membrane-Bound Receptors and Impacts Store-Operated Calcium Entry in Mouse Sensory Neurons

open access: yesMarine Drugs, 2023
Marine cyanobacteria are a rich source of bio-active metabolites that have been utilized as leads for drug discovery and pharmacological tools for basic science research.
Andrea Hough   +5 more
doaj   +1 more source

Evaluation of Sigma Ligand AZ66 Analgesic Potentiation of Cannabinoids [PDF]

open access: yes, 2017
Sigma receptors have become a popular subject for research the past few decades, but there is still much mystery behind these receptors and how they work.
Morris, Jacqueline
core   +1 more source

Rapid progesterone actions on thymulin-secreting epithelial cells cultured from rat thymus [PDF]

open access: yes, 1999
Many soluble factors of neural, endocrine, paracrine and autocrine origin are present in the thymus and modulate its function. Long-term effects of sex steroids have! been documented for thymocytes and cells of the thymic microenvironment. In this report
Brucker, Cosima   +4 more
core   +1 more source

Sigma-1 Receptor Chaperones and Diseases [PDF]

open access: yesCentral Nervous System Agents in Medicinal Chemistry, 2009
Chaperones are proteins that assist the correct folding of other protein clients either when the clients are being synthesized or at their functional localities. Chaperones are responsible for certain diseases. The sigma-1 receptor is recently identified as a receptor chaperone whose activity can be activated/deactivated by specific ligands.
Shang-Yi, Tsai   +3 more
openaire   +2 more sources

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

open access: yesFEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa   +3 more
wiley   +1 more source

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