Molecular characterization of cathepsin B from Clonorchis sinensis excretory/secretory products and assessment of its potential for serodiagnosis of clonorchiasis
2011

Study of Cathepsin B in Clonorchis sinensis for Diagnosis

Sample size: 276 publication 10 minutes Evidence: moderate

Author Information

Author(s): Chen Wenjun, Wang Xiaoyun, Li Xuerong, Lv Xiaoli, Zhou Chenhui, Deng Chuanhuan, Lei Huali, Men Jingtao, Fan Yongxiu, Liang Chi, Yu Xinbing

Primary Institution: Zhongshan School of Medicine, Sun Yat-sen University

Hypothesis

Can cathepsin B from Clonorchis sinensis be used as a diagnostic tool for human helminthiases?

Conclusion

Cathepsin B from Clonorchis sinensis may serve as a valuable diagnostic candidate for helminthiases.

Supporting Evidence

  • The amino acid sequence of cathepsin B showed significant identity with other species.
  • CsCB was identified as an excretory/secretory product of C. sinensis.
  • ELISA tests indicated 79% sensitivity and 81% specificity for diagnosing clonorchiasis.

Takeaway

Researchers found a protein in a parasite that can help doctors tell if someone is sick from it, which is important for treating the infection.

Methodology

The study involved cloning, expressing, and purifying cathepsin B from Clonorchis sinensis, followed by serological tests using human sera.

Limitations

The study may have limitations related to cross-reactivity with other helminth infections.

Participant Demographics

276 human serum samples, including 80 from clonorchiasis patients and others from individuals infected with various helminths.

Statistical Information

P-Value

<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1756-3305-4-149

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