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 Name
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M00353
 Human M5 Receptor Membrane Preparation
1 vial
$320
Product Name Human M5 Receptor Membrane Preparation
Species
 Human
Documents
TECHNICAL MANUAL: 11283_20091126222007.PDF (PDF)
Document-EXAMPLE: 12266_20100311035527.JPG (JPG)
Document-EXAMPLE: 12267_20100311035558.JPG (JPG)
Figures
Reference
Cembala TM et al. (1998) Interaction of neuromuscular blocking drugs with recombinant human m1-m5 muscarinic receptors expressed in Chinese hamster ovary cells. Br. J. Pharmacol. 125(5):1088-94.

Mary H et al. (1995) Human muscarinic receptors expressed in A9L and CHO cells: activation by full and partial agonists. Br J Pharmacol. 114(6):1241-9.

Schwarz RD et al. (1993) Characterization of muscarinic agonists in recombinant cell lines. Life Sci. 52(5-6):465-72.

Description
 Muscarinic acetylcholine receptors belong to a superfamily of seven-TM-domain receptors that interact with G-proteins to initiate intracellular responses. Five muscarinic receptor subtypes have been identified, named M1 through M5. Receptors of the M5 receptor subtype couple through the Gq/11 class of G-proteins and activate the phospholipase C pathway. Activation of this pathway in turn leads to increases in free intracellular calcium levels as inositol triphosphate mediates release of calcium from the endoplasmic reticulum. RT-PCR reveals that M5 mRNA is quite uniformly expressed in brain. However, there is little data regarding the expression and function of the M5 receptor in peripheral tissues. Currently, it is clear that the M5 receptor, due to the high likelihood that its distribution is restricted to the CNS, probably plays a discrete role in dopaminergic transmission. Although the identification of M5 expression in salivary glands and iris-ciliary muscle suggests a broader role, the data on this is sparse and requires extensive confirmation.
Host Cell
 CHO-K1/M5
Concentration
 1 mg/ml in 50 mM HEPES, 0.1 mM EDTA, 10 % glycerol
Storage
 Store at -80°C
Quality Control
 Bmax and Kd are determined using radioligand saturation binding assays (Figure 1).
Expression Level (Bmax): 0.16 pmol/mg membrane protein.
Kd for [3H]N-Methylscopolamine: 0.33 nM
Application
 Binding assay for M5 receptor
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