Increased expression of beta 2-microglobulin in multidrug-resistant tumour cells
2002

Increased beta 2-microglobulin in drug-resistant tumor cells

Sample size: 55 publication Evidence: moderate

Author Information

Author(s): Scheffer G L, de Jong M C, Monks A, Flens M J, Hose C D, Izquierdo M A, Shoemaker R H, Scheper R J

Primary Institution: Free University Medical Center, Amsterdam, The Netherlands

Hypothesis

The study investigates the expression of beta 2-microglobulin in multidrug-resistant tumor cells.

Conclusion

The study found that beta 2-microglobulin is frequently expressed in drug-resistant tumor cells, suggesting its potential role in resistance to chemotherapy.

Supporting Evidence

  • 36 out of 55 tumor cell lines showed distinct LMR-12 staining.
  • High levels of beta 2-microglobulin were found in resistant tumor cell lines.
  • Correlation was observed between beta 2-microglobulin levels and major histocompatibility complex class I heavy chains.

Takeaway

Some cancer cells that are hard to treat have more of a protein called beta 2-microglobulin, which might help them resist drugs.

Methodology

The study used immunohistochemical staining and expression cloning to analyze beta 2-microglobulin levels in various tumor cell lines.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600354

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