Pregnenolone sulfate sodium salt
Highly potent neurosteroid with multiple actions. Enhances intracellular Ca2+ upon NMDA receptor-mediated synaptic activity (EC50 ~ 2 pM) and potentiates NMDA responses. Inhibitor at GABAA receptors (IC50 values are 0.4 to >300 μM, depending on specific subunit conformation). Activates CREB phosphorylation, augments LTP and cognitive behavior in rat memory models. Also activates TRPM3 channels.
|Storage||Store at +4°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
|water||4.19||10 with sonication|
Preparing Stock Solutions
The following data is based on the product molecular weight 418.52. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||2.39 mL||11.95 mL||23.89 mL|
|5 mM||0.48 mL||2.39 mL||4.78 mL|
|10 mM||0.24 mL||1.19 mL||2.39 mL|
|50 mM||0.05 mL||0.24 mL||0.48 mL|
References are publications that support the biological activity of the product.
Li et al (2007) Neuroactive steroids and human recombinant rho1 GABAC receptors. J.Pharmacol.Exp.Ther. 323 236 PMID: 17636008
Majeed et al (2010) Cis-isomerism and other chemical requirements of steroidal agonists and partial agonists acting at TRPM3 channels. Br.J.Pharmacol. 161 430 PMID: 20735426
Smith et al (2014) A role for picomolar concentrations of pregnenolone sulfate in synaptic activity-dependent Ca2+ signaling and CREB activation. Mol.Pharmacol. 86 390 PMID: 25057049
Seljeset et al (2018) Probing GABAA receptors with inhibitory neurosteroids. Neuropharmacology 136 23 PMID: 29447845
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1 Citation for Pregnenolone sulfate sodium salt
Citations are publications that use Tocris products. Selected citations for Pregnenolone sulfate sodium salt include:
Luoma et al (2011) Progesterone inhibition of voltage-gated calcium channels is a potential neuroprotective mechanism against excitotoxicity. Steroids 76 845 PMID: 21371490
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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* or download your copy today!
*Please note that Tocris will only send literature to established scientific business / institute addresses.
Alzheimer's disease (AD) is a degenerative brain disease and the most common cause of dementia, affecting approximately 47 million people worldwide. Updated in 2015, this poster summarizes the structural and functional changes observed in the progression of this neurodegenerative disease, as well as classic AD drug targets.
Major depressive disorder is characterized by depressed mood and a loss of interest and/or pleasure. Updated in 2015 this poster highlights presynaptic and postsynaptic targets for the potential treatment of major depressive disorder, as well as outlining the pharmacology of currently approved antidepressant drugs.
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.
Huntington's Disease Poster
Huntington's disease (HD) is a monogenic neurodegenerative disorder, which is characterized by the prevalent loss of GABAergic medium spiny neurons (MSN) in the striatum. This poster summarizes the MSN intracellular signaling pathways implicated in the pathology of HD, as well as highlighting the use of iPSCs for HD modeling.
Learning & Memory Poster
Recognition memory enables us to make judgements about whether or not we have encountered a particular stimulus before. This poster outlines the cellular mechanisms underlying recognition memory and its links to long-term depression, as well as the use of pharmacological intervention to assess the role of neurotransmitters in recognition memory.
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.
Parkinson's disease (PD) causes chronic disability and is the second most common neurodegenerative condition. This poster outlines the neurobiology of the disease, as well as highlighting current therapeutic treatments for symptomatic PD, and emerging therapeutic strategies to delay PD onset and progression.
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.