نتایج جستجو برای: endostatin
تعداد نتایج: 1047 فیلتر نتایج به سال:
PURPOSE We tested the combined effects of antiangiogenic endostatin and epidermal growth factor receptor (EGFR) antisense gene therapy on squamous cell carcinoma (SCC). EXPERIMENTAL DESIGN AND RESULTS The 1483 cell line of human head and neck SCC (HNSCC) and SCC-VII/SF murine SCC cells was used to establish tumors in nude mice and immunocompetent C3H mice, respectively. Tumor-bearing mice wer...
PURPOSE In a recent study, we presented preliminary evidence for biological activity in a Phase I dose-finding study (15-600 mg/m(2)) of recombinant human endostatin in patients with refractory solid tumors. Here, we conducted additional biomarker analyses to correlate changes in tumor biology with dose. EXPERIMENTAL DESIGN Excisional tumor biopsies were obtained at baseline and after 56 days...
PURPOSE The purpose of this study was to determine the effect of the angiogenesis inhibitor endostatin on blood vessels in tumors and wound sites. EXPERIMENTAL DESIGN In a Phase I dose escalation study, cancer patients were treated with daily infusions of human recombinant endostatin. Tumor biopsies were obtained prior to and 8 weeks after initiation of treatment. Blood vessel formation in no...
Infantile hemangiomas are composed of endothelial cells (ECs), endothelial progenitor cells (EPCs), as well as perivascular and hematopoietic cells. Our hypothesis is that hemangioma-derived EPCs (HemEPCs) differentiate into the mature ECs that comprise the major compartment of the tumor. To test this, we isolated EPCs (CD133 /Ulex europeus– I ) and mature ECs (CD133 /Ulex europeus– I ) from pr...
PURPOSE To localize endostatin and collagen type XVIII in human corneas and to characterize the enzymatic action of matrix metalloproteinases (MMPs) in the cleavage of collagen type XVIII and generation of endostatin in the cornea. METHODS Anti-endostatin and anti-hinge antibodies were generated using peptide fragments corresponding to the endostatin region and the adjacent nonendostatin hing...
Endostatin is an important inhibitory molecule which mediates the sequential steps involved in angiogenesis. Lower level or impaired function of endostatin is associated with a higher risk of developing malignant solid tumors and with a worse prognosis of the disease. The endostatin N104 polymorphism might be associated with an impaired ability to inhibit angiogenesis. We analyzed the tissues f...
BACKGROUND Disseminated intravascular coagulation (DIC) is characterized by platelet and neutrophil activation. Platelets are the major source of circulating vascular endothelial growth factor (VEGF). Endostatin, an anti-angiogenic factor, is a fragment of collagen that is released from the extracellular matrix via the active cleavage of neutrophil elastase, thereby increasing the circulating l...
Infantile hemangiomas are composed of endothelial cells (ECs), endothelial progenitor cells (EPCs), as well as perivascular and hematopoietic cells. Our hypothesis is that hemangioma-derived EPCs (HemEPCs) differentiate into the mature ECs that comprise the major compartment of the tumor. To test this, we isolated EPCs (CD133(+)/Ulex europeus- I(+)) and mature ECs (CD133(-)/Ulex europeus-I(+)) ...
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