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Survival of Lung Cancer Patients Dependent on the LOH Status for DMP1, ARF, and p53.


ABSTRACT: Lung cancer is the leading cause of cancer deaths in the world, and accounts for more solid tumor deaths than any other carcinomas. The prognostic values of DMP1, ARF, and p53-loss are unknown in lung cancer. We have conducted survival analyses of non-small cell lung cancer (NSCLC) patients from the University of Minnesota VA hospital and those from the Wake Forest University Hospital. Loss of Heterozygosity (LOH) for hDMP1 was found in 26 of 70 cases (37.1%), that of the ARF/INK4a locus was found in 33 of 70 (47.1%), and that of the p53 locus in 43 cases (61.4%) in the University of Minnesota samples. LOH for hDMP1 was associated with favorable prognosis while that of p53 predicted worse prognosis. The survival was much shorter for ARF-loss than INK4a-loss, emphasizing the importance of ARF in human NSCLC. The adverse effect of p53 LOH on NSCLC patients' survival was neutralized by simultaneous loss of the hDMP1 locus in NSCLC and breast cancer, suggesting the possible therapy of epithelial cancers with metastatic ability.

SUBMITTER: Fry EA 

PROVIDER: S-EPMC7662351 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Survival of Lung Cancer Patients Dependent on the LOH Status for <i>DMP1</i>, <i>ARF</i>, and <i>p53</i>.

Fry Elizabeth A EA   Niehans Gloria E GE   Kratzke Robert A RA   Kai Fumitake F   Inoue Kazushi K  

International journal of molecular sciences 20201027 21


Lung cancer is the leading cause of cancer deaths in the world, and accounts for more solid tumor deaths than any other carcinomas. The prognostic values of <i>DMP1</i>, <i>ARF</i>, and p53-loss are unknown in lung cancer. We have conducted survival analyses of non-small cell lung cancer (NSCLC) patients from the University of Minnesota VA hospital and those from the Wake Forest University Hospital. Loss of Heterozygosity (LOH) for h<i>DMP1</i> was found in 26 of 70 cases (37.1%), that of the <i  ...[more]

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