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Articles 1 - 4 of 4
Full-Text Articles in Molecular Biology
Regulation Of Alteration/Deficiency In Activation 3 (Ada3) By Acetylation And Its Role In Cell Cycle Regulation And Oncogenesis, Shashank Srivastava
Regulation Of Alteration/Deficiency In Activation 3 (Ada3) By Acetylation And Its Role In Cell Cycle Regulation And Oncogenesis, Shashank Srivastava
Theses & Dissertations
The ADA3 (Alteration/Deficiency in Activation 3) protein is a transcriptional adaptor protein that was initially discovered as a component of several HAT (Histone Acetyltransferase) complexes, the enzyme complex responsible for histone acetylation, which is a prerequisite for transcription. Earlier the studies from Dr. Band’s laboratory and that of others’ have deciphered a crucial role of ADA3 in cell cycle regulation (both through G1/S and G2/M phase transitions) and in maintaining the genomic stability.
While our laboratory investigated the mechanism behind the role of ADA3 in G1/S transition, the same remained unknown for G2 …
Role Of Ddr1 In Pancreatic Cancer, Huocong Huang
Role Of Ddr1 In Pancreatic Cancer, Huocong Huang
Theses & Dissertations
Pancreatic ductal adenocarcinomas are highly malignant cancers, characterized by extensive invasion into surrounding tissues, metastasis to distant organs at a very early stage, and a limited response to therapy. One of the main features of pancreatic ductal adenocarcinomas is desmoplasia, which leads to extensive deposition of collagen I. We have demonstrated that collagen I can induce epithelial-mesenchymal transition (EMT) in pancreatic cancer cells. A hallmark of EMT is an increase in the expression of a mesenchymal cadherin, N-cadherin. Our previous studies have shown that up-regulation of N-cadherin can promote tumor cell invasion and that collagen I-induced EMT is through two …
Exploitation Of The Ligand-Binding Properties Of The Mannose 6-Phosphate/Insulin-Like Growth Factor Ii (Igf-Ii) Receptor To Inhibit Igf-Ii-Dependent Growth Of Cancer Cells, Megan Zavorka Thomas
Exploitation Of The Ligand-Binding Properties Of The Mannose 6-Phosphate/Insulin-Like Growth Factor Ii (Igf-Ii) Receptor To Inhibit Igf-Ii-Dependent Growth Of Cancer Cells, Megan Zavorka Thomas
Theses & Dissertations
The mannose 6-phosphate/insulin-like growth factor II receptor (M6P/IGF2R) is a multifunctional, type I transmembrane receptor that is a member of the P-type lectin family. A large, extracytoplasmic (EC) region of the M6P/IGF2R binds various ligands, allowing the receptor to regulate multiple biological functions, including the role as a tumor suppressor. Two major classes of ligands, M6P-glycosylated (i.e. any proteins that bear M6P due to post-translational modification in the trans-Golgi network (TGN)) and non-glycosylated (i.e., the mitogen insulin-like growth factor II (IGF-II)), bind within distinct regions of the EC of the receptor and are trafficked to the lysosome. The M6P/IGF2R as …
Molecular Mechanisms Regulating Myc And Pgc1Β Expression In Colon Cancer, Jamie L. Mccall
Molecular Mechanisms Regulating Myc And Pgc1Β Expression In Colon Cancer, Jamie L. Mccall
Theses & Dissertations
Identification and characterization of pathways specific to tumor cell survival, but absent in normal tissues, provide opportunities to develop effective cancer therapies with reduced toxicity to the patient. Kinase suppressor of Ras 1 (KSR1) is required for the survival of colorectal cancer (CRC) cells, but dispensable in normal cells. Using KSR1 as a reference standard, we identified EPH (erythropoietin-producing hepatocellular carcinoma) receptor (EPHB4) as a KSR1 functional analog.
We show here that, like KSR1, EPHB4 is aberrantly overexpressed in human CRC cells and selectively required for their survival. Both KSR1 and EPHB4 support tumor cell survival by promoting the expression …