73804-75-8
Chemical Structure
α-FMH
Synonym(s): α-Fluoromethylhistidine
- CAS No.: 73804-75-8
- Formula:C7H10FN3O2
- Molecular Weight:187.17
InChIKey: AJFGLTPLWPTALJ-SSDOTTSWSA-N
SMILES: OC([C@@](CF)(N)CC1=CN=CN1)=O
Biological Activity: α-FMH (α-Fluoromethylhistidine) is an orally active histidine decarboxylase inhibitor. α-FMH depletes histamine in enterochromaffin-like (ECL) cells, reduces the number and volume density of secretory vesicles in ECL cells, and does not affect histamine storage in mast cells. α-FMH abolishes Omeprazole (HY-B0113)-induced vacuolization of ECL cells and decreases gastrin-induced histamine efflux from ECL cells. α-FMH does not alter the granular characteristics of ECL cells, omeprazole-induced hypertrophy of ECL cells, gastrin-induced pancreastatin-like immunoreactivity efflux, nor does it affect gastric acid secretion induced by histamine or vagal stimulation. α-FMH inhibits basal and gastrin-stimulated gastric acid secretion, reduces acid output induced by gastrin+IBMX (HY-12318), but does not directly affect acid generation in isolated parietal cells[1][2][3][4].
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α-FMH | α-FMH (α-Fluoromethylhistidine) is an orally active histidine decarboxylase inhibitor. α-FMH depletes histamine in enterochromaffin-like (ECL) cells, reduces the number and volume density of secretory vesicles in ECL cells, and does not affect histamine storage in mast cells. α-FMH abolishes Omeprazole (HY-B0113)-induced vacuolization of ECL cells and decreases gastrin-induced histamine efflux from ECL cells. α-FMH does not alter the granular characteristics of ECL cells, omeprazole-induced hypertrophy of ECL cells, gastrin-induced pancreastatin-like immunoreactivity efflux, nor does it affect gastric acid secretion induced by histamine or vagal stimulation. α-FMH inhibits basal and gastrin-stimulated gastric acid secretion, reduces acid output induced by gastrin+IBMX (HY-12318), but does not directly affect acid generation in isolated parietal cells. | |||||||||||||||||||||
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- [1]. Chen D, et al. Ultrastructure of enterochromaffin-like cells in rat stomach: effects of alpha-fluoromethylhistidine-evoked histamine depletion and hypergastrinemia. Cell Tissue Res. 1996;283(3):469-478. [Content Brief]
- [2]. Andersson K, et al. Effect of alpha-fluoromethylhistidine-evoked histamine depletion on ultrastructure of endocrine cells in acid-producing mucosa of stomach in mouse, rat and hamster. Cell Tissue Res. 1996;286(3):375-384. [Content Brief]
- [3]. Chen D, et al. Gastrin-evoked secretion of pancreastatin and histamine from ECL cells and of acid from parietal cells in isolated, vascularly perfused rat stomach. Effects of isobutyl methylxanthin and alpha-fluoromethylhistidine. Regul Pept. 1996;65(2):133-138. [Content Brief]
- [4]. Andersson K, et al. Gastric acid secretion after depletion of enterochromaffin-like cell histamine. A study with alpha-fluoromethylhistidine in rats. Scand J Gastroenterol. 1996;31(1):24-30. [Content Brief]
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