Overexpression of Nrdp1 in the Heart Exacerbates Doxorubicin-Induced Cardiac Dysfunction in Mice
2011

Nrdp1 Increases Heart Damage from Doxorubicin in Mice

Sample size: 15 publication 10 minutes Evidence: high

Author Information

Author(s): Zhang Yuan, Kang Yu-Ming, Tian Cui, Zeng Yong, Jia Li-Xin, Ma Xu, Du Jie, Li Hui-Hua

Primary Institution: Chinese Academy of Medical Sciences and Peking Union Medical College

Hypothesis

Increased Nrdp1 levels would exacerbate doxorubicin-triggered cardiotoxicity.

Conclusion

Nrdp1 overexpression in the heart worsens cardiac dysfunction and increases cell death after doxorubicin treatment.

Supporting Evidence

  • Nrdp1 overexpression led to increased cardiac apoptosis and oxidative stress.
  • Transgenic mice with Nrdp1 showed decreased cardiac function after doxorubicin treatment.
  • Survival rates were significantly lower in Nrdp1 transgenic mice compared to wild-type mice after doxorubicin injection.

Takeaway

When a protein called Nrdp1 is too high in the heart, it makes a medicine called doxorubicin hurt the heart more, leading to more damage and less survival.

Methodology

The study involved using transgenic mice with Nrdp1 overexpression and treating them with doxorubicin to assess cardiac function and cell death.

Participant Demographics

Male wild-type and Nrdp1 transgenic mice, aged 8 to 10 weeks.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1371/journal.pone.0021104

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