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Biological Activity for 17-PA
17-PA is a selective antagonist of neurosteroid potentiation and direct gating of GABAA receptors. Selectively reduces the effects of 5α-reduced steroids compared to 5β-reduced steroids and displays no effect on potentiation evoked by barbiturates and benzodiazepines. Attenuates 3α,5α-THP-induced loss of righting reflex and total sleep time following i.c.v administration in rats.
Technical Data for 17-PA
|Storage||Store at RT|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data for 17-PA
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions for 17-PA
The following data is based on the product molecular weight 350.54. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|0.5 mM||5.71 mL||28.53 mL||57.05 mL|
|2.5 mM||1.14 mL||5.71 mL||11.41 mL|
|5 mM||0.57 mL||2.85 mL||5.71 mL|
|25 mM||0.11 mL||0.57 mL||1.14 mL|
References for 17-PA
References are publications that support the biological activity of the product.
Mennerick et al (2004) Selective antagonism of 5α-reduced neurosteroid effects at GABAA receptors. Mol.Pharmacol. 65 1191 PMID: 15102947
Akk et al (2007) Ethanol modulates the interaction of the endogenous neurosteroid allopregnanolone with the α1β2γ2L GABAA receptor. Mol.Pharmacol. 71 461 PMID: 17105870
Kelley et al (2007) Antagonism of neurosteroid modulaton of native γ-aminobutyric acid receptors by (3α,5α)-17-phenylandrost-16-en-3-ol. Eur.J.Pharmacol. 572 94 PMID: 17658511
If you know of a relevant reference for 17-PA, please let us know.
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Keywords: 17-PA, 17-PA supplier, antagonists, neurosteroid, potentiation, direct, gating, GABAA, Receptors, 2681, Tocris Bioscience
Citations for 17-PA
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Literature in this Area
Tocris offers the following scientific literature in this area to showcase our products. We invite you to request* your copy today!
*Please note that Tocris will only send literature to established scientific business / institute addresses.
GABA Receptors Scientific Review
Written by Ian Martin, Norman Bowery and Susan Dunn, this review provides a history of the GABA receptor, as well as discussing the structure and function of the various subtypes and the clinical potential of receptor modulators; compounds available from Tocris are listed.
The key feature of drug addiction is the inability to stop using a drug despite clear evidence of harm. This poster describes the brain circuits associated with addiction, and provides an overview of the main classes of addictive drugs and the neurotransmitter systems that they target.
Epilepsy is a brain disease that affects 60 million people globally. More than 20 anti-seizure drugs are currently available, but these do not address the underlying causes of the condition. This poster summarizes current knowledge about the development of the condition and highlights some approaches that have disease-modifying effects in proof-of-concept studies.
Peripheral sensitization is the reduction in the threshold of excitability of sensory neurons that results in an augmented response to a given external stimulus. This poster outlines the excitatory and inhibitory signaling pathways involved in modulation of peripheral sensitization. The role of ion channels, GPCRs, neurotrophins, and cytokines in sensory neurons are also described.
Schizophrenia is a debilitating psychiatric disorder that affects 1% of the worldwide population. This poster describes the neurobiology of Schizophrenia, as well as highlighting the genetic and environmental factors that play a fundamental role in the etiology of the disease. The current and emerging drug targets are also discussed.