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Articles 1 - 10 of 10
Full-Text Articles in Oncology
Development Of A Muc16-Targeted Near-Infrared Antibody Probe For Fluorescence-Guided Surgery Of Pancreatic Cancer, Madeline T. Olson
Development Of A Muc16-Targeted Near-Infrared Antibody Probe For Fluorescence-Guided Surgery Of Pancreatic Cancer, Madeline T. Olson
Theses & Dissertations
Pancreatic cancer (PDAC) is an extremely lethal disease with an overall survival rate of 10%. Surgery remains the only potentially curative treatment option, but resections are complicated by infiltrative disease, proximity of critical vasculature, peritumoral inflammation, and dense stroma. Surgeons are limited to tactile and visual cues to differentiate cancerous tissue from normal tissue. Furthermore, translating preoperative images to the intraoperative setting poses additional challenges for tumor detection, and can result in undetected and unresected lesions. Thus, PDAC has high rates of incomplete resections, and subsequently, disease recurrence. Fluorescence-guided surgery (FGS) has emerged as a method to improve intraoperative detection …
Apixaban To Prevent Thrombosis In Adult Patients Treated With Asparaginase, Krishna Gundabolu
Apixaban To Prevent Thrombosis In Adult Patients Treated With Asparaginase, Krishna Gundabolu
Theses & Dissertations
The outcomes of pediatric acute lymphoblastic leukemia (ALL) have improved dramatically after intensification of the multi-agent chemotherapy backbone over a period of time starting from 1960’s, and asparaginase (ASP) is an important part of this success story. Adoption of such strategy in adult ALL and other high grade lymphoid neoplasms had been difficult due to higher anticipated toxicities including thrombosis. Many thrombosis prevention strategies including antithrombin (AT) replacement, Enoxaparin, unfractionated heparin (UFH) was studied but there is no firmly established evidence-based approach yet. We report the safety and efficacy of thrombosis prophylaxis with apixaban 2.5 mg orally twice daily for …
Molecular Pathogenesis Of A Novel Subgroup Of Peripheral T-Cell Lymphomas, Jiayu Yu
Molecular Pathogenesis Of A Novel Subgroup Of Peripheral T-Cell Lymphomas, Jiayu Yu
Theses & Dissertations
Peripheral T-cell Lymphoma (PTCL) consists of numerous distinct disease entities. With the current diagnostic criteria over a third of the cases cannot be further classified and are called "not otherwise specified" (PTCL-NOS). Using gene expression profiling (GEP) of tumors, we identified two novels PTCL-NOS molecular subgroups either characterized by high expression of GATA3 (33%), which is associated with Th2 cell differentiation, or high expression of TBX21 (49%) which regulates Th1 cell maturation. Therefore, stratifying patients for diagnosis and identifying the underlying genetic basis to improve clinical therapy becomes critical to prognosis.
First, we performed DNA copy number analysis by using …
Gene Expression Profiling Of Mapk Pathway Inhibitor Resistance In Cutaneous Melanoma: Can Bioinformatics Be Used To Select Better Melanoma Cell Lines?, Stephen Luebker
Gene Expression Profiling Of Mapk Pathway Inhibitor Resistance In Cutaneous Melanoma: Can Bioinformatics Be Used To Select Better Melanoma Cell Lines?, Stephen Luebker
Theses & Dissertations
Melanoma is the deadliest form of skin cancer, and incidence has continued to increase. Half of all melanomas have a BRAF V600E mutation and respond to MAPK pathway inhibitors, including BRAF inhibitor therapy or BRAF/MEK inhibitor combination therapy, but nearly all patients develop treatment resistance. Melanoma cell lines produce variable results as models of MAPK pathway inhibitor resistance. To better understand how the genomic similarity of a melanoma cell line to patient-derived tumors affects resistance mechanisms, differences in DNA mutations and copy-number alterations were compared between melanoma cell lines profiled by the Cancer Cell Line Encyclopedia and cutaneous melanoma tumors …
Mucin And Splice Variant Profiles Of Pancreatic Adenocarcinoma Predict Patient Survival And Subtyping, Christopher M. Thompson
Mucin And Splice Variant Profiles Of Pancreatic Adenocarcinoma Predict Patient Survival And Subtyping, Christopher M. Thompson
Theses & Dissertations
PDAC is a pancreatic epithelial malignancy and demonstrates aggressive progression and bleak patient prognosis. Despite decades of research, the evolution of novel diagnostics and intervention modalities for PDAC is stagnant. This dissertation explores the characteristic aberrant and elevated expression of mucins in PDAC. Beginning with the hypothesis that mucins are associated with disease aggressiveness, analysis of PDAC patient survival in TCGA revealed no associations between single mucin expression and patient survival. This led to the underlying issue of PDAC tumor cellularity since this disease demonstrates variability in the proportion of cancer cells within the tumor. Tumor purity assessed with the …
Secreted Mucin 5ac-Mediated Epithelial And Stromal Modulations Augment Pancreatic Cancer Aggressiveness, Koelina Ganguly
Secreted Mucin 5ac-Mediated Epithelial And Stromal Modulations Augment Pancreatic Cancer Aggressiveness, Koelina Ganguly
Theses & Dissertations
The mucosal layer that shields the epithelium of the body cavities is made up of high molecular weight, heavily glycosylated proteins called mucins that are broadly categorized into transmembrane and secreted members. Aberrant expression of secreted mucin MUC5AC has been implicated in lung, stomach, and colon cancer pathologies. MUC5AC is expressed de novo in the pancreas upon oncogenic insult, and its abundance in pancreatic tumor and circulation correlates to disease progression. However, few studies have explored beyond the diagnostic and prognostic significance of MUC5AC in pancreatic cancer (PC).
In this dissertation, we sought to investigate the mechanistic contribution of MUC5AC …
The Role Of Vgll4 And Mark2-Hdac Axis In Mitosis And Cancer, Yongji Zeng
The Role Of Vgll4 And Mark2-Hdac Axis In Mitosis And Cancer, Yongji Zeng
Theses & Dissertations
The Hippo pathway is an evolutionarily conserved signaling pathway that plays important roles in stem cell biology, tissue homeostasis, and cancer development. The Hippo core signaling pathway features a kinase cascade consisting of mammalian sterile-20 like protein 1/2 (Mst1/2) and large tumor suppressor 1/2 (Lats1/2). Inactivation of the Hippo pathway is correlated with the promotion of proliferation and anti-apoptosis through activation of the transcriptional co-activator Yes-associated protein (YAP). YAP functions through binding with TEA-domain transcription factors (TEAD1–4) to activate target genes.
Vestigial-like 4 (Vgll4) functions as a transcriptional co-repressor in the Hippo-Yes associated protein (YAP) pathway. Vgll4 inhibits cell proliferation …
Novel Mouse Model For Analysis Of Macrophage Function In Neuroblastoma, Gabrielle L. Brumfield, Shelby M. Knoche, Alaina C. Larson, Brittany Poelaert, Benjamin T. Goetz, Poomy Pandey, Don W. Coulter, Joyce C. Solheim
Novel Mouse Model For Analysis Of Macrophage Function In Neuroblastoma, Gabrielle L. Brumfield, Shelby M. Knoche, Alaina C. Larson, Brittany Poelaert, Benjamin T. Goetz, Poomy Pandey, Don W. Coulter, Joyce C. Solheim
Child Health Research Institute Pediatric Research Forum
Background: Neuroblastoma is the third most common childhood cancer and accounts for 12% of cancer-associated deaths in children under the age of 15. Patients with high risk neuroblastoma have a poor 5-year survival rate of less than 50%. Neuroblastoma tumors treated with the histone deacetylase inhibitor (HDACi) vorinostat have increased infiltration of macrophages with upregulated immune cell-surface receptors. Neuroblastoma cells release VEGF and M-CSF, which may alter intratumoral macrophage populations. VEGF has also been implicated in alteration of amyloid precursor protein family processing. Our lab demonstrated that amyloid precursor protein 2 (APLP2), a member of the amyloid precursor protein …
Impact Of Proton Pump Inhibitor Use On Effectiveness Of Immune Checkpoint Inhibitors In Advanced Cancer Patients, Ken Chen
Capstone Experience
Background: Gut microbiome plays a critical role in modulating therapeutic effect of immune checkpoint inhibitors (ICIs). Proton pump inhibitors (PPIs) may affect the gut microbiome by altering gut pH.
Objective: To evaluate if concurrent use of PPI 0-30 days before or after initiation of ICIs (nivolumab or pembrolizumab) is associated with poorer overall survival (OS) and progression-free survival (PFS) for patients with stage IV non-small cell lung cancer (NSCLC), melanoma, renal cell carcinoma, transitional cell carcinoma or head and neck squamous cell carcinoma compared with no PPI use.
Methods: This was a single-center retrospective cohort study of advanced cancer patients …
Collagen Fiber Regulation In Human Pediatric Aortic Valve Development And Disease, Cassandra L. Clift, Yan Ru Su, David Bichell, Heather Jensen Smith, Jennifer R. Bethard, Kim Norris-Caneda, Susana Comte-Walters, Lauren E. Ball, Michael A. Hollingsworth, Anand S. Mehta, Richard R. Drake, Peggi M. Angel
Collagen Fiber Regulation In Human Pediatric Aortic Valve Development And Disease, Cassandra L. Clift, Yan Ru Su, David Bichell, Heather Jensen Smith, Jennifer R. Bethard, Kim Norris-Caneda, Susana Comte-Walters, Lauren E. Ball, Michael A. Hollingsworth, Anand S. Mehta, Richard R. Drake, Peggi M. Angel
Journal Articles: Eppley Institute
Congenital aortic valve stenosis (CAVS) affects up to 10% of the world population without medical therapies to treat the disease. New molecular targets are continually being sought that can halt CAVS progression. Collagen deregulation is a hallmark of CAVS yet remains mostly undefined. Here, histological studies were paired with high resolution accurate mass (HRAM) collagen-targeting proteomics to investigate collagen fiber production with collagen regulation associated with human AV development and pediatric end-stage CAVS (pCAVS). Histological studies identified collagen fiber realignment and unique regions of high-density collagen in pCAVS. Proteomic analysis reported specific collagen peptides are modified by hydroxylated prolines (HYP), …