The Slow-Releasing Hydrogen Sulfide Donor, GYY4137, Exhibits Novel Anti-Cancer Effects In Vitro and In Vivo
2011

GYY4137: A New Hydrogen Sulfide Donor with Anti-Cancer Effects

Sample size: 7 publication 10 minutes Evidence: high

Author Information

Author(s): Lee Zheng Wei, Zhou Jianbiao, Chen Chien-Shing, Zhao Yujun, Tan Choon-Hong, Li Ling, Moore Philip Keith, Deng Lih-Wen

Primary Institution: National University of Singapore

Hypothesis

Does the slow-releasing hydrogen sulfide donor GYY4137 exhibit anti-cancer effects in vitro and in vivo?

Conclusion

GYY4137 shows significant anti-cancer activity by releasing hydrogen sulfide over several days, leading to cancer cell death without affecting normal cells.

Supporting Evidence

  • GYY4137 caused concentration-dependent killing of seven different human cancer cell lines.
  • GYY4137 did not affect the survival of normal human lung fibroblasts.
  • Xenograft studies showed that GYY4137 significantly reduced tumor growth in mice.

Takeaway

GYY4137 is a special medicine that helps kill cancer cells while leaving normal cells alone by slowly releasing a gas called hydrogen sulfide.

Methodology

The study involved in vitro tests on cancer cell lines and in vivo tests using mice with cancer, measuring cell survival and tumor growth.

Potential Biases

Potential bias in the selection of cell lines and the experimental conditions used.

Limitations

The study primarily focused on specific cancer cell lines and may not represent all types of cancer.

Participant Demographics

The study used human cancer cell lines and immunodeficient mice.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021077

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