例如:"lncRNA", "apoptosis", "WRKY"

Chromosome Condensation 1-Like (Chc1L) Is a Novel Tumor Suppressor Involved in Development of Histiocyte-Rich Neoplasms.

PLoS ONE. 2015 Aug 20;10(8):e0135755. eCollection 2015
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摘要


Human chromosomal region 13q14 is a deletion hotspot in prostate cancer, multiple myeloma, and chronic lymphocytic leukemia. This region is believed to host multiple tumor suppressors. 1-like (CHC1L) is located at 13q14, and found within the smallest common region of loss of heterozygosity in prostate cancer. Decreased expression of CHC1L is linked to pathogenesis and progression of both prostate cancer and multiple myeloma. However, there is no direct evidence for CHC1L's putative tumor suppressing role in current literature. Presently, we describe the generation and characterization of Chc1L knockout mice. Chc1L-/- mice do not develop cancer at a young age, but bone marrow and spleen cells from 8-12 week-old mice display an exaggerated proliferative response. By approximately two years of age, knockout and heterozygote mice have a markedly increased incidence of tumorigenesis compared to wild-type controls, with tumors occurring mainly in the spleen, mesenteric lymph nodes, liver and intestinal tract. Histopathological analysis found that most heterozygote and knockout mice succumb to either Histiocytic Sarcoma or Histiocyte-Associated Lymphoma. Our study suggests that Chc1L is involved in suppression of these two histiocyte-rich neoplasms in mice and supports clinical data suggesting that CHC1L loss of function is an important step in the pathogenesis of cancers containing 13q14 deletion.

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