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Establishment and characterization of a human CD4 positive cell bank for HIV related studies
A E Dewar1, A M Parrett, J M Mowles
1Division of Pathology, PHLS Centre for Applied Microbiology and Research, Salisbury, Wiltshire, U.K.
Abstract:
The human CD4 positive cell lines JM, CCRF, CEM, U937, HL60 and THP-1 have been cleared of mycoplasma contamination and defined by DNA fingerprinting and cell surface phenotype marker analysis. These cells have been banked and are now available as a source of standardized cell lines for HIV related research.
Insights
Standardized human CD4 positive cell lines (JM, CCRF, CEM, U937, HL60, THP-1) are now available for HIV research after mycoplasma removal and DNA fingerprinting. These well-characterized cell lines ensure reliable results in human immunodeficiency virus studies.
Area of Science:
- Cell Biology
- Immunology
- Virology
Background:
- Human CD4 positive cell lines are crucial for studying human immunodeficiency virus (HIV) infection.
- Mycoplasma contamination is a common issue in cell culture, potentially affecting experimental results.
- Standardization of cell lines is essential for reproducibility in HIV research.
Purpose of the Study:
- To provide a reliable source of mycoplasma-free, well-characterized human CD4 positive cell lines for HIV research.
- To ensure the genetic identity and phenotypic consistency of cell lines used in HIV studies.
Main Methods:
- Mycoplasma contamination was eliminated from JM, CCRF, CEM, U937, HL60, and THP-1 cell lines.
- DNA fingerprinting was performed to confirm cell line identity.
- Cell surface phenotype marker analysis was conducted to verify cell characteristics.
Main Results:
- All tested cell lines (JM, CCRF, CEM, U937, HL60, THP-1) were successfully cleared of mycoplasma.
- DNA fingerprinting confirmed the identity of each cell line.
- Cell surface phenotype marker analysis validated the CD4 positive status and other relevant markers.
Conclusions:
- The availability of these standardized, mycoplasma-free cell lines will enhance the reliability and reproducibility of HIV research.
- These resources provide a valuable foundation for future studies on HIV pathogenesis, treatment, and prevention.