[HTML][HTML] Multiple functional neurosteroid binding sites on GABAA receptors

ZW Chen, JR Bracamontes, MM Budelier… - PLoS …, 2019 - journals.plos.org
Neurosteroids are endogenous modulators of neuronal excitability and nervous system
development and are being developed as anesthetic agents and treatments for psychiatric …

[HTML][HTML] Photoaffinity labeling with a neuroactive steroid analogue: 6-azi-pregnanolone labels voltage-dependent anion channel-1 in rat brain

…, CM Zeng, G Akk, BD Manion, JR Bracamontes… - Journal of Biological …, 2003 - ASBMB
Neuroactive steroids modulate the function of γ-aminobutyric acid, type A (GABA A ) receptors
in the central nervous system by an unknown mechanism. In this study we have used a …

Neuroactive steroids have multiple actions to potentiate GABAA receptors

G Akk, JR Bracamontes, DF Covey… - The Journal of …, 2004 - Wiley Online Library
The effects of neuroactive steroids on the function of GABA A receptors were studied using
cell‐attached records of single channel activity recorded from HEK293 cells transfected with …

Site-specific effects of neurosteroids on GABAA receptor activation and desensitization

Y Sugasawa, WWL Cheng, JR Bracamontes, ZW Chen… - Elife, 2020 - elifesciences.org
This study examines how site-specific binding to three identified neurosteroid-binding sites
in the α 1 β 3 GABA A receptor (GABA A R) contributes to neurosteroid allosteric modulation. …

[HTML][HTML] Mapping two neurosteroid-modulatory sites in the prototypic pentameric ligand-gated ion channel GLIC

WWL Cheng, ZW Chen, JR Bracamontes… - Journal of Biological …, 2018 - ASBMB
Neurosteroids are endogenous sterols that potentiate or inhibit pentameric ligand-gated ion
channels (pLGICs) and can be effective anesthetics, analgesics, or anti-epileptic drugs. The …

Common binding sites for cholesterol and neurosteroids on a pentameric ligand-gated ion channel

…, WWL Cheng, ZW Chen, JR Bracamontes… - … Et Biophysica Acta (BBA …, 2019 - Elsevier
Cholesterol is an essential component of cell membranes, and is required for mammalian
pentameric ligand-gated ion channel (pLGIC) function. Computational studies suggest direct …

Mutations in MLH1 are more frequent than in MSH2 in sporadic colorectal cancers with microsatellite instability

…, JR Bracamontes, SA Wells Jr… - Genes …, 1997 - Wiley Online Library
The microsatellite instability that is a feature of tumors in patients with hereditary nonpolyposis
colorectal cancer (HNPCC) is a consequence of defective DNA mismatch repair. …

Neuroactive steroid interactions with voltage-dependent anion channels: lack of relationship to GABAA receptor modulation and anesthesia

…, WJ Craigen, G Akk, JR Bracamontes… - … of Pharmacology and …, 2004 - ASPET
Neuroactive steroids modulate the function of γ-aminobutyric acid type A (GABA A ) receptors
in brain; this is the presumed basis of their action as anesthetics. In a previous study using …

The molecular determinants of neurosteroid binding in the GABA (A) receptor

Y Sugasawa, JR Bracamontes, K Krishnan… - The Journal of steroid …, 2019 - Elsevier
Neurosteroids positively modulate GABA-A receptor (GABA A R) channel activity by binding
to a transmembrane domain intersubunit site. Understanding the interactions in this site that …

A neurosteroid potentiation site can be moved among GABAA receptor subunits

JR Bracamontes, P Li, G Akk… - The Journal of …, 2012 - Wiley Online Library
A neurosteroid potentiation site can be moved among GABAA receptor subunits - Bracamontes
- 2012 - The Journal of Physiology - Wiley Online Library … BracamontesBracamontes