N-glycan alterations are associated with drug resistance in human hepatocellular carcinoma
2007

Glycan Changes Linked to Drug Resistance in Liver Cancer

publication Evidence: moderate

Author Information

Author(s): Kudo Takeaki, Nakagawa Hiroaki, Takahashi Masato, Hamaguchi Jun, Kamiyama Naoya, Yokoo Hideki, Nakanishi Kazuaki, Nakagawa Takahito, Kamiyama Toshiya, Deguchi Kisaburo, Nishimura Shin-Ichiro, Todo Satoru

Primary Institution: Hokkaido University, Japan

Hypothesis

The study investigates the relationship between N-glycan alterations and drug resistance in human hepatocellular carcinoma.

Conclusion

The study found that specific N-glycan structures are increased in drug-resistant liver cancer cells, suggesting new mechanisms of drug resistance.

Supporting Evidence

  • Drug-resistant cell lines showed increased core fucosylated triantennary oligosaccharides.
  • Expression of glycosyltransferases involved in glycan synthesis was altered in resistant cells.
  • The study identified specific N-glycan structures that may contribute to drug resistance mechanisms.

Takeaway

The study shows that certain sugars on cancer cells change when they become resistant to drugs, which might help us understand how to fight cancer better.

Methodology

The researchers created drug-resistant cell lines and analyzed their glycan structures and glycosyltransferase expression.

Statistical Information

P-Value

0.016

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-4598-6-32

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