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Articles 61 - 66 of 66
Full-Text Articles in Neoplasms
Dnmt3a Haploinsufficiency Provokes Hematologic Malignancy Of B-Lymphoid, T-Lymphoid, And Myeloid Lineage In Mice, Garland Michael Upchurch
Dnmt3a Haploinsufficiency Provokes Hematologic Malignancy Of B-Lymphoid, T-Lymphoid, And Myeloid Lineage In Mice, Garland Michael Upchurch
Theses & Dissertations
DNA methyltransferase 3A (DNMT3A) is a master epigenetic regulator of benign and malignant hematopoiesis. To dissect the biological consequences of homozygous and heterozygous Dnmt3a inactivation in malignant hematopoiesis, we generated Dnmt3a homozygous null (Dnmt3aΔ/Δ) and Dnmt3a heterozygous (Dnmt3a+/–) mice and compared the presentations of hematologic malignancies between cohorts. Bi-allelic inactivation of Dnmt3a results in the presentation of mature lymphoid neoplasms resembling chronic lymphocytic leukemia (CLL; B220+CD19+CD5+; 88% penetrance (37/42)) and CD8+ peripheral T-cell lymphoma (PTCL; TCRβ+CD3+CD8+CD4—; 40% penetrance (17/42)). …
Plasmablastic Lymphoma: Case Report Of Prolonged Survival Of An Advanced Human Immunodeficiency Patient And Literature Review, Hind Rafei, Ehab El-Bahesh, Antoine Finianos, Min-Ling Liu, Geraldine Schechter
Plasmablastic Lymphoma: Case Report Of Prolonged Survival Of An Advanced Human Immunodeficiency Patient And Literature Review, Hind Rafei, Ehab El-Bahesh, Antoine Finianos, Min-Ling Liu, Geraldine Schechter
Medicine Faculty Publications
Clinical Practice Points. Plasmablastic lymphoma (PBL) is a rare and highly aggressive variant of diffuse large B cell lymphoma with median survival of advanced stage patients varying between 6 and 15 months in previous reports. We report here a human immunodeficiency virus-infected patient surviving over 12 years following treatment for advanced PBL with EPOCH chemotherapy and intrathecal therapy. This case highlights the potential for improved survival in PBL with intensive chemotherapy. Further, literature review suggests promising prospects utilizing novel targeted therapies to increase the rate of prolonged responses.
Health-Related Quality Of Life (Hr-Qol) And Chronic Health Conditions In Survivors Of Childhood Acute Myeloid Leukemia (Aml) With Down Syndrome (Ds): A Report From The Children's Oncology Group., Kris Ann P. Schultz, Lu Chen, Alicia Kunin-Batson, Zhengjia Chen, William G. Woods, A S. Gamis, Toana Kawashima, Kevin C. Oeffinger, H Stacy Stacy Nicholson, Joseph P. Neglia
Health-Related Quality Of Life (Hr-Qol) And Chronic Health Conditions In Survivors Of Childhood Acute Myeloid Leukemia (Aml) With Down Syndrome (Ds): A Report From The Children's Oncology Group., Kris Ann P. Schultz, Lu Chen, Alicia Kunin-Batson, Zhengjia Chen, William G. Woods, A S. Gamis, Toana Kawashima, Kevin C. Oeffinger, H Stacy Stacy Nicholson, Joseph P. Neglia
Manuscripts, Articles, Book Chapters and Other Papers
Survival rates for children with Down syndrome (DS) and acute myeloid leukemia (AML) are high; however, little is known regarding the health-related quality of life (HR-QOL) of these survivors. Individuals who survived ≥5 years following diagnosis of childhood AML were invited to complete parent or patient-report surveys measuring HR-QOL and chronic health conditions. In total, 26 individuals with DS had a median age at diagnosis of 1.8 years (range, 0.77 to 10.9 y) and median age at interview of 15 years (range, 8.3 to 27.6 y). Participants with DS and AML were compared with AML survivors without DS whose caregiver …
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 …
Primary Cutaneous B Cell Lymphoma--Leg Type (New Eortc--Who Classification), With Nasal Sinuses Involvement, Asim Jamal Shaikh, Nehal Masood, Aamir Ahsan, Wasim Memon
Primary Cutaneous B Cell Lymphoma--Leg Type (New Eortc--Who Classification), With Nasal Sinuses Involvement, Asim Jamal Shaikh, Nehal Masood, Aamir Ahsan, Wasim Memon
Department of Radiation Oncology
Primary Cutaneous lymphomas of B cell origin are rare, there remains a controversy in truly classifying these lymphomas and an updated EORTC classification divides them on the basis of their distinct histopthological grounds rather than on the basis of their anatomic location as in WHO classification, while the new WHO- EORTC joint classification maintains some characteristics of both systems, We report an elderly gentleman who primarily had a typical Leg dominant Cutaneous lymphoma of B cell origin uniquely with involvement of nasal Sinusues, bearing the Immunohistochemical staining features of "Cutaneous lymphoma - Leg Type" befitting the new joint WHO-EORTC classification …
Cdx4 Dysregulates Hox Gene Expression And Generates Acute Myeloid Leukemia Alone And In Cooperation With Meis1a In A Murine Model, Dimple Bansal, Claudia Scholl, Stefan Frohling, Elizabeth Mcdowell, Benjamin H. Lee, Konstanze Döhner, Patricia Ernst
Cdx4 Dysregulates Hox Gene Expression And Generates Acute Myeloid Leukemia Alone And In Cooperation With Meis1a In A Murine Model, Dimple Bansal, Claudia Scholl, Stefan Frohling, Elizabeth Mcdowell, Benjamin H. Lee, Konstanze Döhner, Patricia Ernst
Dartmouth Scholarship
HOX genes have emerged as critical effectors of leukemogenesis, but the mechanisms that regulate their expression in leukemia are not well understood. Recent data suggest that the caudal homeobox transcription factors CDX1, CDX2, and CDX4, developmental regulators of HOX gene expression, may contribute to HOX gene dysregulation in leukemia. We report here that CDX4 is expressed normally in early hematopoietic progenitors and is expressed aberrantly in approximately 25% of acute myeloid leukemia (AML) patient samples. Cdx4 regulates Hox gene expression in the adult murine hematopoietic system and dysregulates Hox genes that are implicated in leukemogenesis. Furthermore, bone marrow progenitors that …