beta glucuronidase/sarcoma

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Gene therapy for sarcoma utilizing adenoviral transfer of the beta-glucuronidase and bax genes and an anthracyline prodrug.

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BACKGROUND When acted on by beta-glucuronidase (BG), HMR1826 is metabolized to doxorubicin. Use of this prodrug with adenoviral transfer of beta-glucuronidase (AdBG) is limited by the drug's inability to enter cells and intracellular retention of BG after transduction. We evaluated a system

Biochemical changes in tumor cells caused by antitumor agents. II. Effect of several antitumor agents in vivo and in vitro on beta-glucuronidase and two other lysosomal enzymes of Yoshida sarcoma cells.

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Selection of suitable reference genes for normalization of genes of interest in canine soft tissue sarcomas using quantitative real-time polymerase chain reaction.

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Quantitative real-time reverse transcription polymerase chain reaction (RT-qPCR) is a sensitive technique for quantifying gene expression. Stably expressed reference genes are necessary for normalization of RT-qPCR data. Only a few articles have been published on reference genes in canine tumours.

On the histogenesis of Ewing's sarcoma. An ultrastructural, immunohistochemical, and cytochemical study.

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Forty-two cases of Ewing's sarcoma (ES) have been studied with light microscopy during the 9-year period 1974 to 1982. Thirty-three patients had ES of bone, and in 9 patients the tumor was located in the extraskeletal soft tissues. Cases which fulfilled all the morphologic criteria were accepted as

Malignant histiocytosis (histiocytic sarcoma). A (the?) major cause of the 'midline granuloma syndrome'.

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Five out of eight consecutive cases with initial symptoms of a 'midline granuloma' were identified as malignant histiocytosis (histiocytic sarcoma) which within 5 months to 4 years led to generalization and death. The three remaining cases also fulfilled the morphological criteria of this type of

[Immunoblastic sarcoma (author's transl)].

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A case of immunoblastic sarcoma in a 56-year-old man is presented. He had no history of predisposing diseases. His clinical condition was typical of a highly aggressive disseminated malignant lymphoma and he presented important heterogenous hypergammaglobulinemia. The patient died 9 months after the

Differences in targeting and secretion of cathepsins B and L by BALB/3T3 fibroblasts and Moloney murine sarcoma virus-transformed BALB/3T3 fibroblasts.

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BALB/3T3 fibroblasts (3T3) were observed to secrete latent, pepsin-activatable forms of cathepsin B and cathepsin L as well as an active form of beta-glucuronidase when cultured in the absence of serum. The secretion of these proteins was stimulated by the cation ionophore monensin: cathepsin B,

Cytotoxicity of aniline mustard glucuronide alone or in a combination with glucose in Walker cells in culture and sarcoma-180 tumour bearing animals.

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The effect of aniline mustard glucuronide (AMG), p-hydroxyaniline mustard (HAM), and aniline mustard (AM), on Walker ascites tumour cells in vitro showed that AM in about 80 times more toxic than its glucuronide but HAM is at least 800 times more toxic. A non toxic dose of AMG became completely

Alveolar soft part sarcoma: an analysis of 8 cases. Review of the literature.

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Eight cases of alveolar soft part carcinoma (ASPS) are presented. The average age of the patients was 28 years. There were 6 women and 2 men. The left sided and right sided tumours were equal in number. Local recurrence was not observed in any of the patient treated, but lung metastases occurred in

Metastatic melanoma cell heparanase. Characterization of heparan sulfate degradation fragments produced by B16 melanoma endoglucuronidase.

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Heparan sulfate (HS), a prominent component of vascular endothelial basal lamina, is cleaved into large Mr fragments and solubilized from subendothelial basal lamina-like matrix by metastatic murine B16 melanoma cells. We have examined the degradation products of HS and other purified

Development of gene expression system in a marine diatom using viral promoters of a wide variety of origin.

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Promoter sequences of the cytomegalovirus (PCMV), the rous sarcoma virus long terminal repeat (PRSV-LTR) and the cauliflower mosaic virus 35s (PCaMV35s) were ligated with the beta-glucuronidase (GUS) gene, uidA, and were introduced into cells of the marine diatom, Phaeodactylum tricornutum.

Characterization of hamster tumors induced by simian virus 40 small t deletion mutants as true histiocytic lymphomas.

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Random bred Syrian hamsters given s.c. injections of SV40 small t deletion mutants dl883, dl884, and dl890 rapidly develop reticulum cell sarcomas in the abdominal cavity in addition to slowly developing s.c. fibrosarcomas at the site of virus inoculation. Injection of wild type SV40 s.c. induces

Differences in the enzymatic profile in human lymphoid tumors.

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In order to evaluate the utility of enzyme galleries in the differential diagnosis of human lymphoid malignancies, we have determined ninety-three cytosolic enzymic activities in four human lymphomas (Hodgkin's disease, nodular esclerosing type; immunoblastic sarcoma, B-cell type; plasmacytoid

Metabolism of trabectedin (ET-743, Yondelis) in patients with advanced cancer.

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OBJECTIVE Trabectedin (ET-743, Yondelis) is a novel anti-cancer drug currently undergoing phase II-III evaluation, that has shown remarkable activity in pre-treated patients with soft tissue sarcoma. Despite extensive pharmacokinetic studies, the human disposition and metabolism of trabectedin

The cells of giant cell tumor of tendon sheath resemble osteoclasts.

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To determine whether the mononuclear cells (MC) and multinucleated giant cells (GC) of giant cell tumor of tendon sheath (GCTTS) exhibit evidence of monocyte/macrophage lineage, we studied their antigenic features (seven cases, paraffin sections; two cases, frozen sections) and enzymatic features in

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