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Prognostic significance of hypoxia inducible factor-1α and vascular endothelial growth factor expression in patients with diffuse large B-cell lymphoma treated with rituximab.

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We evaluated hypoxia inducible factor-1α (HIF-1α) and vascular endothelial growth factor (VEGF) expression and their prognostic significance in diffuse large B-cell lymphoma (DLBCL). Expression of HIF-1α and VEGF was studied in 78 patients and results correlated with clinicopathological and

Hypoxia inducible factor (HIF)-2α accelerates disease progression in mouse models of leukemia and lymphoma but is not a poor prognosis factor in human AML.

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Hypoxia-inducible factor (HIF)-1α accumulation promotes hematopoietic stem cells' quiescence and is necessary to maintain their self-renewal. However, the role of HIF-2α in hematopoietic cells is less clear. We investigated the role of HIF-2α in leukemia and lymphoma cells. HIF-2α expression was

Expression of hypoxia-inducible factor-1a predicts benefit from rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone in diffuse large B-cell lymphoma.

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Hypoxia-inducible factor-1α (HIF-1α) has been identified as an unfavorable prognostic factor in most solid tumors. However, HIF-1α was suggested to predict improved survival in Western patients with diffuse large B-cell lymphoma (DLBCL) under rituximab plus cyclophosphamide, doxorubicin,

Expression of hypoxia-inducible factor 1α, glucose transporter 1, and hexokinase 2 in primary central nervous system lymphoma and the correlation with the biological behaviors

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Background: It has been indicated that abnormal glucose metabolism mediated by hypoxia-inducible factor 1α (HIF-1α) played an essential role in the development of solid tumor. However, there were rare studies about the role of them in

Hypoxia-activated prodrug TH-302 decreased survival rate of canine lymphoma cells under hypoxic condition.

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We tested the hypotheses that hypoxic stimulation enhances growth potentials of canine lymphoma cells by activating hypoxia-inducible factor 1α (HIF-1α), and that the hypoxia-activated prodrug (TH-302) inhibits growth potentials in the cells. We investigated how hypoxic culture affects the growth

Physiological Hypoxia (Physioxia) Impairs the Early Adhesion of Single Lymphoma Cell to Marrow Stromal Cell and Extracellular Matrix. Optical Tweezers Study.

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Adhesion is critical for the maintenance of cellular structures as well as intercellular communication, and its dysfunction occurs prevalently during cancer progression. Recently, a growing number of studies indicated the ability of oxygen to regulate adhesion molecules expression, however, the

Role of hypoxia in Diffuse Large B-cell Lymphoma: Metabolic repression and selective translation of HK2 facilitates development of DLBCL.

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Published molecular profiling studies in patients with lymphoma suggested the influence of hypoxia inducible factor-1 alpha (HIF1α) targets in prognosis of DLBCL. Yet, the role of hypoxia in hematological malignancies remains unclear. We observed that activation of HIF1α resulted in global

[Intravascular large B-cell lymphoma associated with hypoalbuminemia and hypoxemia].

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A 67-year-old man was referred to our hospital for treatment of hemophagocytic syndrome. Hypotension, hypoxemia, pleural effusion, severe anasarca, and splenomegaly were noticed at the time of admission. Laboratory findings showed anemia (7.7 g/dl), thrombocytopenia (4.5 x 10(4)/microliter), an

Hypoxia inducible factor-alpha activation in lymphoma and relationship to the thioredoxin family.

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Hypoxia inducible factors (HIFs) activate oncogenic pathways, while thioredoxins (Trx), including Trx1 and Trx reductases-1 and -2 (TrxR1 and TrxR2), promote HIF-alpha stabilization. In immunoblotting studies in lymphoma cell lines we found that Raji and SUDHL4 cells exhibited normoxic HIF-2alpha

Hypoxemia associated with right-side cardiac tumor: right atrial lymphoma with patent foramen ovale.

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A 66-year-old man presented with acute type I respiratory failure, and was diagnosed to have a huge mass occupying the right atrium (RA) of the heart, with no evidence of pulmonary embolism. Intra-operative transesophageal echocardiogram identified a patent foramen ovale (PFO) with right-to-left

Hypoxia-associated protein expression in primary central nervous system diffuse large B-cell lymphoma: does it predict prognosis?

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Hypoxia-associated proteins are commonly expressed as a consequence of disturbances in microcirculation. However, the clinical relevance of the proteins has never been studied in primary central nervous system lymphoma (PCNSL). The expression of hypoxia-inducible factor 1α (HIF-1α) and its

Hypoxia-inducible factors in mantle cell lymphoma: implication for an activated mTORC1→HIF-1α pathway.

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Aberrant activation of phosphoinositide-3 kinase/Akt (PI3K/Akt) and mammalian target of rapamycin (mTOR) signaling is implicated in the pathogenesis of mantle cell lymphoma (MCL). We previously showed oncogenic activation of PI3K/Akt pathway in a subset of MCL patients. In this study, we

Hypoxia inducible factor-1α/B-cell lymphoma 2 signaling impacts radiosensitivity of H1299 non-small cell lung cancer cells in a normoxic environment.

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Hypoxia inducible factor-1α (HIF-1α) is a critical transcriptional factor for the response of cells to hypoxic microenvironment and its expression induces resistance of hypoxic non-small-cell lung cancer (NSCLC) cells to radiotherapy. This study investigated how the activation of HIF-1α/B-cell

Useful Strategy of Pulmonary Microvascular Cytology in the Early Diagnosis of Intravascular Large B-cell Lymphoma in a Patient with Hypoxemia: A Case Report and Literature Review.

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Intravascular large B-cell lymphoma (IVLBCL) is a rare extranodal lymphoma characterized by the presence of tumor cells within blood vessels, and it is considered to be a subtype of diffuse large B-cell lymphoma. We report a case of IVLBCL presenting as progressive hypoxemia. In this case, a

Heterozygosity for hypoxia inducible factor 1alpha decreases the incidence of thymic lymphomas in a p53 mutant mouse model.

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Hypoxia inducible factors (HIF) are critical mediators of the cellular response to decreased oxygen tension and are overexpressed in a number of tumors. Although HIF1alpha and HIF2alpha share a high degree of sequence homology, recent work has shown that the two alpha subunits can have contrasting

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