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Cytotoxicity of Sanguinarine Chloride to Cultured Human Cells From Oral Tissue

Cytotoxicity of Sanguinarine Chloride to Cultured Human Cells From Oral Tissue

H Babich, H L Zuckerbraun, I B Barber, S B Babich, E Borenfreund

Pharmacol Toxicol. 1996 Jun;78(6):397-403.

PMID: 8829200

Abstract:

The in vitro cytotoxicity of sanguinarine chloride, a dental product used in the treatment of gingivitis and plaque, was compared using cell lines and primary cells from oral human tissues. For the established cell lines, sanguinarine chloride exhibited similar potencies to S-G gingival epithelial cells and to KB carcinoma cells, whereas HGF-1 gingival fibroblasts were more tolerant. However, a gingival primary cell culture was more sensitive to sanguinarine chloride than were the established cell lines. Detailed studies were performed with the S-G cells. The 24-hr midpoint (NR50) cytotoxicity value towards the S-G cells was 7.6 microM, based on the neutral red cytotoxicity assay; vacuolization and multinucleation were noted. When exposed to sanguinarine chloride for 3 days, a lag in growth kinetics was first observed at 1.7 microM. Damage to the integrity of the plasma membrane was evident, as leakage of lactic acid dehydrogenase occurred during a 3 hr exposure to sanguinarine chloride at 0.1275 mM and greater. The cytotoxicity of sanguinarine chloride to the S-G cells was lessened in the presence of an S9 hepatic microsomal fraction from Aroclor-induced rats or by including fetal bovine serum (15%) in the exposure medium. Progressively increasing the pH from 6.0 to 7.8 enhanced the potency of sanguinarine chloride, presumably due to the enhanced uptake of the lipophilic alkanolamine form, as compared to that of the cationic iminium form.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP5578734	Sanguinarine chloride		5578-73-4	Price

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