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Full-Text Articles in Laboratory and Basic Science Research
Examining The Role Of Dax-1 In Regulation Of Cell Proliferation In Human Breast Cells, Amy E. Scandurra
Examining The Role Of Dax-1 In Regulation Of Cell Proliferation In Human Breast Cells, Amy E. Scandurra
Master's Theses
DAX-1 is a member of the Nuclear Hormone Receptor superfamily and acts as a transcriptional repressor. DAX-1 plays an important role in the development of adrenal and gonadal tissues. In addition to its role in normal cell development and differentiation, DAX-1 appears to have some influence on the progression of cancer. This work aims to examine the role of DAX-1 in regulation of proliferation in breast cancer. In our study, we have expressed DAX-1 in a DAX-1 deficient breast cancer cell line as well as knocked down DAX-1 expression in normal DAX-1 positive breast cells. Through these experiments, we were …
Mdm2-Mediated Degradation Of Sirt6 Phosphorylated By Akt1 Promotes Tumorigenesis And Trastuzumab Resistance In Breast Cancer, Umadevi Thirumurthi
Mdm2-Mediated Degradation Of Sirt6 Phosphorylated By Akt1 Promotes Tumorigenesis And Trastuzumab Resistance In Breast Cancer, Umadevi Thirumurthi
Dissertations & Theses (Open Access)
Sirtuin6 (SIRT6) is one of the members of the Sirtuin family and functions as a longevity assurance gene by promoting genomic stability. It also regulates various cancer-associated pathways and was recently established as a bonafide tumor suppressor in colon cancer. This suggests that SIRT6 is an attractive target for pharmacological activation in cancer treatment, and hence, identification of potential regulators of SIRT6 would be an important and critical contribution towards cancer treatment. Here, we show that AKT1 phosphorylates SIRT6 at Ser338 and induces MDM2-SIRT6 interaction, priming SIRT6 for degradation via the MDM2-dependent ubiquitin-proteasome pathway. Blocking SIRT6 Ser338 phosphorylation …
Targeting Cox-2 And Rank In Aggressive Breast Cancers: Inflammatory Breast Cancer And Triple-Negative Breast Cancer, Monica E. Reyes
Targeting Cox-2 And Rank In Aggressive Breast Cancers: Inflammatory Breast Cancer And Triple-Negative Breast Cancer, Monica E. Reyes
Dissertations & Theses (Open Access)
Inflammatory breast cancer (IBC) and triple-negative breast cancer (TNBC) are two highly aggressive breast cancer subtypes associated with a poor outcome. Despite sensitivity to current treatment, these breast cancers subtypes have a high recurrence rate and proclivity to metastasize early. The aggressiveness of IBC and TNBC have been linked to CSCs and epithelial to mesenchymal transition (EMT), which are critical features of breast cancer progression and metastasis. The clinical challenge faced in the treatment of IBC and TNBC is finding a treatment strategy to target the cancer stem-like (CSC) population to block metastasis. Cyclooxygenase-2 (COX-2) and receptor activator of nuclear …