angiotensin/sarcoma

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[Angiotensin II-induced hypertension chemotherapy of bone and soft-tissue sarcomas].

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We treated 14 patients with high grade sarcomas by angiotensin II-induced hypertension chemotherapy. The chemotherapy protocol described by Rosen was selected according to histological classification of sarcomas (small cell sarcoma, spindle cell sarcoma, pleomorphic sarcoma). The level of

Kinetics and mechanism of angiotensin phosphorylation by the transforming gene product of Rous sarcoma virus.

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We have studied steady state kinetics of phosphorylation of [Val5]angiotensin II by pp60src, the transforming gene product of Rous sarcoma virus. Results of initial rate studies at varying substrate concentrations indicated that the mechanism was sequential; Michaelis constants for ATP and peptide

Reverse translation of phase I biomarker findings links the activity of angiotensin-(1-7) to repression of hypoxia inducible factor-1α in vascular sarcomas.

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BACKGROUND In a phase I study of angiotensin-(1-7) [Ang-(1-7)], clinical benefit was associated with reduction in plasma placental growth factor (PlGF) concentrations. The current study examines Ang-(1-7) induced changes in biomarkers according to cancer type and investigates mechanisms of action

Angiotensin-(1-7) Attenuates Skeletal Muscle Fibrosis and Stiffening in a Mouse Model of Extremity Sarcoma Radiation Therapy.

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BACKGROUND Radiation-induced fibrosis (RIF) of musculoskeletal tissue is a common complication of radiation therapy for extremity soft-tissue sarcoma, with no standardized strategy for prevention and treatment. Angiotensin-(1-7) (Ang-[1-7]), a well-tolerated endogenous heptapeptide hormone with

Phase II Trial of Angiotensin-(1-7) for the Treatment of Patients with Metastatic Sarcoma.

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Background. Angiotensin-(1-7) [Ang-(1-7)] is an endogenous antiangiogenic hormone with anticancer activity. In a phase I study of Ang-(1-7), two of three patients with metastatic sarcoma experienced disease stabilization. This phase II study examined clinical and biomarker outcomes for patients with

Increased levels of angiotensin-converting enzyme activity in Kaposi's sarcoma.

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Do anti-hypertensive renin-angiotensin system inhibitors contribute to the development of classical Kaposi sarcoma?

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Enhancement of 5-fluorouracil delivery to sarcoma 180 tissue under angiotensin II-induced hypertension chemotherapy.

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Microvascular mechanisms of change in tumor blood flow due to angiotensin II, epinephrine, and methoxamine: a functional morphometric study.

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To elucidate the microvascular mechanisms of change in tumor blood flow elicited by vasopressors, a functional morphometric study of the s.c. microcirculation within a rat transparent chamber was performed. Arteriolar vessels were classified centripetally (a2-a5) according to Strahler's method.

Angiotensin-induced hypertension chemotherapy in children with advanced solid tumors.

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Angiotensin-induced hypertension chemotherapy (IHC) was investigated in six children with the following advanced malignancies: hepatocellular carcinoma, extraskeletal Ewing's sarcoma, sacrococcygeal malignant teratoma, small round cell tumor of the chest wall, hepatoblastoma and osteogenic sarcoma.

Clinical application of measurement of angiotensin-converting enzyme level.

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Assay of angiotensin-converting enzyme (ACE) in the sera of 69 patients demonstrated elevated levels in 19 of 22 (86%) of those with clinically active, biopsy-proved sarcoidosis. Patients with dormant sarcoidosis and generally those with various other disorders had normal levels. Elevated levels

The effects of angiotensin II on Doppler signals from a soft-tissue tumour.

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A 10 mHz continuous-wave Doppler system has been used to detect blood flow within a sarcoma implanted in a rabbit's ear. The effects of vasoconstriction produced by intravenous angiotensin II were studied. Criteria are described that enabled differentiation of the Doppler signals from the tumour

Cytostatic properties of some angiotensin I converting enzyme inhibitors and of angiotensin II type I receptor antagonists.

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Angiotensin converting enzyme (ACE) inhibitors and angiotensin II (AII) type 1 receptor antagonists have strong cytostatic properties on in vitro cultures of many normal and neoplastic cells. They are effective, in particular, in reducing the growth of human lung fibroblasts, renal canine epithelial

Kaposi's sarcoma in a patient with psoriasis vulgaris.

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A 54-year-old woman presented with angiomatous lesions located on the upper extremities and right cruris. Histopathological findings were typical of Kaposi's sarcoma (KS). She had had mild to moderate psoriasis since she was 25 years old. She had been using cilazapril (an angiotensin-converting

Alveolar soft-part sarcoma--A malignant angioreninoma: Histochemical, immunocytochemical, and electron-microscopic study of four cases.

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This combined ultrastructural and immunohistochemical study of four alveolar soft-part sarcomas analyzes the characteristic granules in order to elucidate the histogenesis of this unusual neoplasm. The granules have the ultrastructural features and staining characteristics of renin, react with

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