Calcium Prevents Tumorigenesis in a Mouse Model of Colorectal Cancer
2011

Calcium Prevents Colorectal Cancer in Mice

Sample size: 80 publication 10 minutes Evidence: high

Author Information

Author(s): Wang Ji-Lin, Lin Yan-Wei, Chen Hui-Min, Kong Xuan, Xiong Hua, Shen Nan, Hong Jie, Fang Jing-Yuan

Primary Institution: Shanghai Jiao-Tong University School of Medicine, Renji Hospital

Hypothesis

Can calcium prevent colorectal cancer induced by 1,2-dimethylhydrazine in mice?

Conclusion

Calcium significantly reduced the incidence of colorectal cancer in mice and altered gene expression related to tumorigenesis.

Supporting Evidence

  • The tumor incidence rates in the DMH and DMH + Calcium groups were 90% and 40%, respectively.
  • Calcium altered the expression of genes related to tumorigenesis.
  • Calcium was found to downregulate oncogenes and inhibit tumor-associated pathways.

Takeaway

This study found that giving mice calcium can help stop them from getting colon cancer.

Methodology

Mice were divided into four groups and treated with DMH and calcium to assess tumor incidence and gene expression.

Potential Biases

Potential bias due to the use of a specific mouse model and high calcium diet.

Limitations

The study used colorectal tissues instead of mucosa, which may affect gene origin determination, and the calcium content was high, which may not be applicable to humans.

Participant Demographics

80 female Slac: ICR mice, specific pathogen-free.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022566

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