Inhibition of invasion of MCF-7/6 human breast carcinoma cells in vitro by Methanobacterium thermoautotrophicum extract.

Abstract:

:Precultured embryonic chick heart fragments were confronted in vitro with various invasive tumor cell lines (MCF-7/6 human breast carcinoma variant, BW-O-LiI mouse T-cell lymphoma cells and MO4 virally transformed fetal mouse carcass cells) and with a non-invasive cell line (MCF-7/AZ human breast carcinoma variant). Confronting cultures were incubated in the presence of various methanogenic cofactors: Methanobacterium thermoautotrophicum extract, coenzyme F420, FO (7,8-didemethyl-8-hydroxy-5-deazariboflavin), F+ (5'-phosphate derivative of FO), or methanopterin. Histological analysis revealed that the Methanobacterium thermoautotrophicum extract inhibits invasion of MCF-7/6 human cells. At the moment it is not known which factor in the extract is responsible for this inhibition.

journal_name

Anticancer Res

journal_title

Anticancer research

authors

Raemakers-Franken PC,Bracke ME,Van Larebeke N,Vyncke B,Mareel MM

subject

Has Abstract

pub_date

1992-03-01 00:00:00

pages

547-51

issue

2

eissn

0250-7005

issn

1791-7530

journal_volume

12

pub_type

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