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Articles 1 - 6 of 6
Full-Text Articles in Medicine and Health Sciences
Role Of Ripk3 In The Pathogenesis Of Tet2 Mutant Hematopoietic Malignancies, Kanak Joshi
Role Of Ripk3 In The Pathogenesis Of Tet2 Mutant Hematopoietic Malignancies, Kanak Joshi
Dissertations
Hematopoiesis is dynamically controlled by an epigenetic landscape that regulates gene transcription. Ten-eleven translocation 2 (TET2) is a Fe2+ and α-ketoglutarate (α-KG)-dependent dioxygenase that regulates the transcriptional status of genes associated with hematopoietic stem cell self-renewal and multiple stages of lineage commitment and differentiation. TET2 mutations are commonly detected in almost all types of hematopoietic malignancies, including myeloproliferative disorder, acute myeloid leukemia, and peripheral T-cell lymphomas. In most cases, TET2 is a founder mutation that occurred in hematopoietic stem/progenitor cells (HSPCs). The mutant HSCs undergo clonal expansion and evolution with the accumulation of additional mutations for malignant transformation. Microbial-stimulated inflammatory …
Targeting Epha2 In Hepatocellular Carcinoma: Uncovering Its Therapeutic Potential And Beyond, Hao Wang
Targeting Epha2 In Hepatocellular Carcinoma: Uncovering Its Therapeutic Potential And Beyond, Hao Wang
Dissertations
Hepatocellular Carcinoma (HCC) remains one of the deadliest malignancies worldwide. One major obstacle to treatment is a lack of effective molecular-targeted therapies. Here, we identify EphA2 receptor tyrosine kinase as a clinically relevant target for HCC. EphA2 expression and signaling is enriched in human HCC and associates with poor prognosis. Loss of EphA2 suppressed the initiation and growth of HCC in vitro and in vivo. Furthermore, CRISPR/CAS9 mediated EphA2 inhibition significantly delayed tumor development in a genetically-engineered murine model of HCC. Mechanistically, we discovered that targeting EphA2 simultaneously suppresses both JAK1/STAT3 and AKT signaling, two separate oncogenic pathways in HCC. …
Divergent Pro-Leukemic Effects Of Myd88 And Ticam-1/Trif Mediated Toll-Like Receptor Signaling, Joseph Michael Cannova
Divergent Pro-Leukemic Effects Of Myd88 And Ticam-1/Trif Mediated Toll-Like Receptor Signaling, Joseph Michael Cannova
Dissertations
The goal of this study is to determine the role of Toll-like receptor (TLR) signaling in acute myeloid leukemia (AML). AML is a hematopoietic malignancy that predominately affects the elderly. The median age of AML diagnosis is 67 years old. The standard of care of AML is treatment with cytotoxic chemotherapy, which elderly patients are often unable to tolerate. To identify novel pathways as potential targets for treatment, a microarray on AML primary patient samples was performed to determine the expression of key inflammatory genes. This microarray, and other published datasets, showed that TLR are overexpressed in myelomonocytic (M4) and …
Regulation And Targeting Of Fyn In Human Cutaneous Squamous Cell Carcinoma, Sarah Fenton
Regulation And Targeting Of Fyn In Human Cutaneous Squamous Cell Carcinoma, Sarah Fenton
Dissertations
Fyn, a member of the Src family kinases, is an oncogene in murine epidermis and is associated with cell-cell adhesion turnover and migration. Introduction of active H-Ras(G12V) into the HaCaT human keratinocyte cell line resulted in upregulation of FYN mRNA (200-fold) and protein, but did not increase the expression of other SFKs. We identified two nucleotides 74 bases upstream of the human FYN gene transcription start site as necessary for FYN upregulation in HaCaT-Ras cells. Further studies identified Lef-1 as the transcription factor most likely binding to this site and mediating FYN upregulation.
Transduction of active Ras or Fyn was …
The Symptom Experience Of Patients Receiving Epidermal Growth Factor Receptor Inhibitors, Josephine Ann Howard-Ruben
The Symptom Experience Of Patients Receiving Epidermal Growth Factor Receptor Inhibitors, Josephine Ann Howard-Ruben
Dissertations
This study explored the symptom experience of patients receiving epidermal growth factor receptor inhibitors (EGFRIs) for breast, colon, head and neck, and colon cancer. EGFRIs are targeted therapies used at various points along the treatment continuum for these solid tumors, and may be first, second or third-line agents which can be used as single agents or in combination with other therapies. The most common side effect of these agents include dermatologic effects, such as rashes, hair, and nail changes, but they can also contribute to other side effects such as fatigue, anxiety and diarrhea. Most previous work has addressed the …
Notch-1 Activates Nf-Кb Activity In Cervical Cancer And Estrogen Receptor Negative Breast Cancer, Yin Peng
Notch-1 Activates Nf-Кb Activity In Cervical Cancer And Estrogen Receptor Negative Breast Cancer, Yin Peng
Dissertations
Breast and cervical cancer are two common cancers that severely endanger women's health. The fatality rates of breast and cervical cancer are ranked first and fifth, respectively, in cancer related deaths in women worldwide. Continuous dedication to cancer research is urgently required to elucidate the cancer cell survival mechanism that is responsible for disease aggressiveness and poor prognosis.
Emerging data indicate that Notch-1 is aberrantly regulated in human cervical and ER- breast cancer and inhibiting Notch-1 sensitizes cancer cells to apoptosis. However, the mechanism by which Notch-1 promotes cell survival is not known. NF-КB is also deregulated in these two …