Atropine sulfate is a competitive muscarinic acetylcholine receptor antagonist. Atropine is a naturally occurring tropane alkaloid extracted from deadly nightshade (Atropa belladonna), Jimson weed (Datura stramonium), mandrake (Mandragora officinarum) and other plants of the family Solanaceae. Atropine is a competitive antagonist of the muscarinic acetylcholine receptors (acetylcholine being the main neurotransmitter used by the parasympathetic nervous system). Atropine dilates the pupils, increases heart rate, and reduces salivation and other secretions
| Cell Experiment | |
|---|---|
| Cell lines | |
| Preparation method | |
| Concentrations | |
| Incubation time | |
| Animal Experiment | |
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| Animal models | Male Sprague-Dawley rats |
| Formulation | purified water |
| Dosages | 1mg/5ml/kg |
| Administration | administrated orally |
| Molecular Weight | 338.41 |
| Formula | C17H23NO3 . 1/2 H2SO4 |
| CAS Number | 55-48-1 |
| Solubility (25°C) | Water 90 mg/mL DMSO 50 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related AChR/AChE Products |
|---|
| Tacrine
Tacrine is a potent acetylcholinesterse (AChE) inhibitor (IC50=109 nM), also acting as a CYP1A2 substrate agent. |
| THRX-160209
THRX-160209 is a potent antagonist at the M(2) muscarinic acetylcholine (ACh) receptor subtype that was designed using a multivalent strategy, simultaneously targeting the orthosteric site and a nearby site known to bind allosteric ligands. |
| Catestatin
Catestatin is a 21-amino acid residue, cationic and hydrophobic peptide. |
| α-Conotoxin MII
α-Conotoxin MII (α-CTxMII), a 16-amino acid peptide from the venom of the marine snail Conus magus, potently blocks nicotinic acetylcholine receptors (nAChRs) composed of α3β2 subunits, with an IC50 of 0.5 nM. |
| COG 133 TFA
COG 133 TFA is a fragment of Apolipoprotein E (APOE) peptide. |
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