2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. mAChR

mAChR

Muscarinic acetylcholine receptor

mAChR

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mAChRs (muscarinic acetylcholine receptors) are acetylcholine receptors that form G protein-receptor complexes in the cell membranes of certainneurons and other cells. They play several roles, including acting as the main end-receptor stimulated by acetylcholine released from postganglionic fibersin the parasympathetic nervous system. mAChRs are named as such because they are more sensitive to muscarine than to nicotine. Their counterparts are nicotinic acetylcholine receptors (nAChRs), receptor ion channels that are also important in the autonomic nervous system. Many drugs and other substances (for example pilocarpineand scopolamine) manipulate these two distinct receptors by acting as selective agonists or antagonists. Acetylcholine (ACh) is a neurotransmitter found extensively in the brain and the autonomic ganglia.

mAChR Isoform Specific Products:

mAChR Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-107654S
    Muscarine-d9 iodide
    		Agonist
    Muscarine-d9 (iodide) is the deuterium labeled Muscarine iodide. Muscarine ((+)-Muscarine) iodide is a toxin that can stimulate the parasympathetic nervous system. Muscarine iodide is a prototype muscarinic acetylcholine receptor agonist.
    Muscarine-d<sub>9</sub> iodide
  • HY-116586
    AF710B
    		Agonist
    AF710B is an orally effective allosteric agonist for the M1 muscarinic receptor and σ1 receptor. AF710B activates the downstream phosphorylated ERK1/2 and phosphorylated CREB signaling pathways. AF710B simultaneously improves cognitive function and alleviates the core pathological features of Alzheimer's disease, including Aβ deposition, excessive Tau phosphorylation and neuroinflammation. AF710B is applicable to the research of Alzheimer's disease.
    AF710B
  • HY-148533
    β2AR agonist /M-receptor antagonist-1
    		Antagonist
    β2AR agonist /M-receptor antagonist-1 is a potent dual muscarinic antagonist/beta 2 agonist (MABA). β2AR agonist /M-receptor antagonist-1 potently relaxes either Carbachol?(HY-B1208)-induced contraction, in the absence (MABA) or presence of Propranolol?(HY-B1208), or Histamine(HY-B1204)-induced contraction (β2).
    β2AR agonist /M-receptor antagonist-1
  • HY-B0726S1
    Pilocarpine-d5 hydrochloride
    		Agonist
    Pilocarpine-d5 hydrochloride is deuterated labeled Pilocarpine hydrochloride (HY-B0726). Pilocarpine Hydrochloride is a potent M3-type muscarinic acetylcholine receptor (M3 muscarinic receptor) agonist.
    Pilocarpine-d<sub>5</sub> hydrochloride
  • HY-W754293
    Deanol pidolate
    Deanol pidolate (V0191; DMAE pidolate) is an orally active pro-cholinergic agent that improves cognitive symptoms by increasing the release of acetylcholine (Ach) and avoids the typical side effects of cholinesterase inhibitors. Deanol pidolate can alleviate the harmful effects of scopolamine on long-term memory and restore to baseline levels more quickly. Deanol pidolate can be used in research on Alzheimer's disease.
    Deanol pidolate
  • HY-120682
    UH-AH 37
    		Antagonist
    UH-AH 37 is a muscarinic (mAChR) antagonist. UH-AH 37 exhibits a higher potency in inhibiting muscarinic responses in intestinal tissue than cardiac tissue.
    UH-AH 37
  • HY-B0547
    Homatropine
    		Antagonist
    Homatropine is an orally active muscarinic acetylcholine receptor antagonist and can be used as an anticholinergic agent.
    Homatropine
  • HY-162662
    VU6008677
    		Modulator
    VU6008677 is a positive allosteric modulator (PAM) for M4, with EC50 of 120 nM for hM4. VU6008677 inhibits cytochrome P450, exhibits good pharmacokinetic characteristics in rats.
    VU6008677
  • HY-106564A
    Flutropium bromide
    		Inhibitor
    Flutropium bromide (Ba 598Br) is a organic bromide salt of flutropium. Flutropium bromide shows an anticholinergic effect. Flutropium bromide effectively suppresses spasms and it can be used for the research of asthma and chronic obstructive pulmonary disease.
    Flutropium bromide
  • HY-163702
    CHF-6550
    		Antagonist
    CHF-6550 is an antagonist for muscarinic M3 receptor and an agonist for β2 adrenoceptor (MABA), with pKi of 9.3 and 10.6, respectively. CHF-6550 exhibits good hepatocyte clearance in rat models and good pharmacokinetic characteristics in guinea pigs.
    CHF-6550
  • HY-127022
    Anisodine
    		Inhibitor
    Anisodine (Daturamine) is a neuroprotective compound that reduces exacerbated M1, M2, M4, and M5 receptor expression in brain tissues under hypoxia/reoxygenation conditions. Anisodine inhibits calcium ion influx and reactive oxygen species (ROS)levels. Anisodine leads to decreased aspartate levels during hypoxia.
    Anisodine
  • HY-101197
    SM-21 maleate
    SM 21 maleate, 2-phenoxyalkanoic acid ester, binds to central muscarinic recrptor with affinity of 0.174 μM.
    SM-21 maleate
  • HY-137388
    p-F-HHSiD
    		Antagonist
    p-F-HHSiD (p-Fluorohexahydrosiladifenidol) is a potent and selective M3 mAChR antagonist. p-F-HHSiD has antagonistic effects on other subtypes of the M receptor and the alpha1-adrenoceptor. p-F-HHSiD can be used for the researches of cancer, metabolic, neurological and cardiovascular disease such as, colon cancer, Alzheimer’s disease and diabetes.
    p-F-HHSiD
  • HY-A0012R
    Darifenacin hydrobromide (Standard)
    		Antagonist
    Darifenacin (hydrobromide) (Standard) is the analytical standard of Darifenacin (hydrobromide). This product is intended for research and analytical applications. Darifenacin (hydrobromide) is a selective and orally active M3 muscarinic receptor (M3R) antagonist with a pKi of 8.9. Darifenacin (hydrobromide) binds >20-fold more specifically to M3R than to other muscarinic receptors. Darifenacin (hydrobromide) can be used in the study of urinary incontinence and other symptoms of overactive bladder. Darifenacin (hydrobromide) inhibits tumor growth in colorectal cancer cells and has anti-tumor effects.
    Darifenacin hydrobromide (Standard)
  • HY-W909173
    TAAR1 agonist 2
    		Agonist
    TAAR1 agonist 2 (compound 30) is a full agonist of trace amine-associated receptor 1 (TAAR1) (pEC50=7.5). TAAR1 agonist 2 also exhibits agonist activity at H1 receptors and activates several members of the muscarinic acetylcholine receptor family, such as the M2 receptor (pEC50=5). TAAR1 agonist 2 can be used in the study of neuropsychiatric diseases.
    TAAR1 agonist 2
  • HY-N4080
    Cyclobuxine D
    		Inhibitor
    Cyclobuxine D is a steroidal alkaloid extracted from Buxus microphylla. Cyclobuxine D has a significant bradycardic effect in the rat heart and an inhibitory action on acetylcholine and Ba++−induced contraction of the longitudinal muscle isolated from the rabbit jejunum.
    Cyclobuxine D
  • HY-A0024S
    Tolterodine-d14 hydrochloride
    		99.0%
    Tolterodine-d14 (hydrochloride) is the deuterium labeled Tolterodine hydrochloride. Tolterodine ((R)-(+)-Tolterodine) is a mAChR inhibitor and substrate for cytochrome P450 enzymes. Tolterodine competitively binds acetylcholine, reduces sympathetic excitation, and inhibits involuntary bladder muscle contraction. Tolterodine restores the Nrf2/NF-κB signaling pathway, mediates protection against inflammatory response and ferroptosis. Tolterodine ameliorates LPS (HY-D1056)-induced reactive oxygen species production and lipid oxidation. Tolterodine can be used for the research of urinary tract infections and overactive bladder.
    Tolterodine-d<sub>14</sub> hydrochloride
  • HY-120802A
    Navafenterol saccharinate
    		Antagonist
    Navafenterol (AZD-8871) saccharinate is an inhaled dual-acting, potent, selective, and long-lasting M3-antagonist/β2-agonist (MABA) with long-lasting effects and favorable safety profile. The pIC50 is 9.5 for human M3 receptor, and the pEC50 is 9.5 for β2-adrenoceptor. Navafenterol saccharinate can be used for the research of chronic obstructive pulmonary disease (COPD). Bronchoprotective and antisialagogue effects. Favorable cardiovascular profile.
    Navafenterol saccharinate
  • HY-17037AS
    Pirenzepine-d11
    Pirenzepine-d11 (LS 519 (free base)-d11; Pirenzepin-d11; Gastrozepin-d11) is the deuterium labeled Pirenzepine (HY-17037A). Pirenzepine (LS 519 free base) is a selective M1 mAChR (muscarinic acetylcholine receptor) antagonist. Pirenzepine reduces gastric acid secretion and reduces muscle spasm, can be used in peptic ulcers research. Pirenzepine shows anti-proliferative activity to cancer cells.
    Pirenzepine-d<sub>11</sub>
  • HY-13204S1
    rel-Biperiden-d5
    		Inhibitor
    rel-Biperiden-d5 is deuterium labeled Biperiden (hydrochloride).
    rel-Biperiden-d<sub>5</sub>
Cat. No. Product Name / Synonyms Application Reactivity
mAChR Isoform Comparison

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