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Articles 391 - 395 of 395
Full-Text Articles in Hematology
Dynamic Assessment Of Nk Cell Interactions With Pediatric Tumor Cells To Predict Response To Immunotherapy, Arianexys Aquino Lopez
Dynamic Assessment Of Nk Cell Interactions With Pediatric Tumor Cells To Predict Response To Immunotherapy, Arianexys Aquino Lopez
Dissertations and Theses (Open Access)
Due to Natural Killer (NK) cells’ capacity to target tumor cells without prior sensitization, adoptive NK cell therapy represents a promising immunotherapy approach for pediatric cancer patients. Our laboratory has developed an NK cell expansion protocol that generates large quantities of NK cells for therapeutic infusion. Given that NK cells are heterogeneous, with variable receptor expression and potential to target tumor cells, the purpose of my study was to determine whether subpopulations of NK cells with enhanced anti-tumor potential could be identified for increased potency of the NK cell infusion product. In addition, we previously showed that our expanded NK …
Cll Metabolism Is Regulated By Prognostic Factors, Modulated By Stroma And Abrogated By Pi3k Inhibition, Hima Vangapandu
Cll Metabolism Is Regulated By Prognostic Factors, Modulated By Stroma And Abrogated By Pi3k Inhibition, Hima Vangapandu
Dissertations and Theses (Open Access)
Metabolism of chronic lymphocytic leukemia (CLL), a disease characterized by the relentless accumulation of mature B cells has been little explored. Bone marrow stromal cells provide a survival benefit to CLL cells, in part through PI3K/AKT pathway. Compared with proliferative B-cell lines, metabolic fluxes of oxygen and lactate were low in quiescent malignant B lymphocytes from CLL patients. Glycolysis (extracellular acidification rate, ECAR) was consistently low in CLL samples, but oxygen consumption (OCR) varied considerably. Higher OCR was associated with poor prognostic factors such as ZAP 70 positivity, unmutated IgVH, high β2M levels, and higher Rai stage. Co-culture with the …
Multilevel Deregulation Of Survival Mechanisms In Npm-Alk+ T-Cell Lymphoma, Deeksha Vishwamitra
Multilevel Deregulation Of Survival Mechanisms In Npm-Alk+ T-Cell Lymphoma, Deeksha Vishwamitra
Dissertations and Theses (Open Access)
The anaplastic lymphoma kinase (ALK) is a single chain transmembrane receptor tyrosine kinase that belongs to the insulin receptor superfamily. Other members of this superfamily include the insulin receptor (IR), type I insulin-like growth factor receptor (IGF-IR), and the leukocyte tyrosine kinase. The common structural finding among these tyrosine kinases is the YXXXYY motif present within their respective tyrosine kinase domains. Binding of its ligands causes ALK receptor homodimerization and protein kinase activation. ALK has been previously shown to play a significant role during early developmental stages. In human embryos, the expression of ALK is mainly seen in …
Correlation Matrix Analysis Identifies Gene Signatures Of Immune Cell Subsets And Their Interactions In Follicular Lymphoma, Jason R. Westin
Correlation Matrix Analysis Identifies Gene Signatures Of Immune Cell Subsets And Their Interactions In Follicular Lymphoma, Jason R. Westin
Dissertations and Theses (Open Access)
There are important but ill-defined interactions between benign immune cell subsets and neoplastic B cells within follicular lymphoma (FL). Using the novel technique of correlation matrix analysis (CMA) of publicly available FL whole-tumor gene expression profiling (GEP) data, we have identified signatures of immune cell subsets. Overall survival correlated most highly with a model using signatures of macrophages, T cells, and stroma, which was able to add significantly to existing clinical prognostic tools. From our own data of a cohort of 43 FL tumors sorted into B-cell and non-B cell (NB) fractions for GEP, CMA of the tumor infiltrating NB …
Skeletal Abnormalities In Mice Lacking Extracellular Matrix Proteins, Thrombospondin-1, Thrombospondin-3, Thrombospondin-5, And Type Ix Collagen, Karen L Posey, Kurt Hankenson, Alka C Veerisetty, Paul Bornstein, Jack Lawler, Jacqueline T Hecht
Skeletal Abnormalities In Mice Lacking Extracellular Matrix Proteins, Thrombospondin-1, Thrombospondin-3, Thrombospondin-5, And Type Ix Collagen, Karen L Posey, Kurt Hankenson, Alka C Veerisetty, Paul Bornstein, Jack Lawler, Jacqueline T Hecht
Faculty, Staff and Student Publications
Thrombospondin-5 (TSP5) is a large extracellular matrix glycoprotein found in musculoskeletal tissues. TSP5 mutations cause two skeletal dysplasias, pseudoachondroplasia and multiple epiphyseal dysplasia; both show a characteristic growth plate phenotype with retention of TSP5, type IX collagen (Col9), and matrillin-3 in the rough endoplasmic reticulum. Whereas most studies focus on defining the disease process, few functional studies have been performed. TSP5 knockout mice have no obvious skeletal abnormalities, suggesting that TSP5 is not essential in the growth plate and/or that other TSPs may compensate. In contrast, Col9 knockout mice have diminished matrillin-3 levels in the extracellular matrix and early-onset osteoarthritis. …