Microbiological contamination in stem cell cultures.

Abstract:

:Cell therapy and regenerative medicine are potentially two of the most exciting aspects of the novel therapeutic methods currently under development. However, these treatments present a number of important biosafety issues, like the possible transmission of microorganisms to the recipients. The most common potential form of contamination in these cell products is by bacteria (including Mycoplasma), yeast and fungi. In our study, 32 stem cell lines and feeder cell lines were analysed. There were 19 contaminated cell passages (12%). The main contaminants were gram positive cocci and Mycoplasma species, followed by gram negative rods and gram positive rods. The Mycoplasma contamination rate was 4%. Stem cell banks and other research centres aim to screen all processed stem cell lines for these microorganisms, and to assure that no contaminants are introduced in the banking procedures. It is a standard part of current good practice in stem cell banks to carry out routine microbiological controls of the stem cell lines and to work in a controlled environment to reduce the probability of contamination in the final product.

journal_name

Cell Biol Int

authors

Cobo F,Cortés JL,Cabrera C,Nieto A,Concha A

doi

10.1016/j.cellbi.2007.03.010

subject

Has Abstract

pub_date

2007-09-01 00:00:00

pages

991-5

issue

9

eissn

1065-6995

issn

1095-8355

pii

S1065-6995(07)00080-7

journal_volume

31

pub_type

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