Lack of c-kit receptor promotes mammary tumors in rats
Author Information
Author(s): Maffini Maricel V, Soto Ana M, Sonnenschein Carlos, Papadopoulos Nikoletta, Theoharides Theoharis C
Primary Institution: Tufts University School of Medicine
Hypothesis
Does the absence of the c-kit receptor contribute to mammary tumor development in Ws/Ws rats treated with a carcinogen?
Conclusion
The lack of c-kit may contribute to an imbalanced homeostatic state in the mammary gland, leading to increased tumor development.
Supporting Evidence
- 80% of Ws/Ws rats developed tumors after treatment with the carcinogen.
- Wild type rats did not develop any tumors during the study.
- Histopathological evaluation confirmed the neoplastic nature of the lesions in Ws/Ws rats.
Takeaway
Rats without the c-kit receptor got tumors when exposed to a cancer-causing chemical, while normal rats did not.
Methodology
Fifty day-old virgin female Ws/Ws rats and wild type rats were injected with a carcinogen and followed for 6 months.
Potential Biases
The study may be limited by the genetic background of the rats used.
Limitations
The number of animals used in the experiment was small.
Participant Demographics
Fifty day-old virgin female Ws/Ws rats and their wild type counterparts.
Statistical Information
P-Value
0.006
Statistical Significance
p = 0.006
Digital Object Identifier (DOI)
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