adenosine diphosphate/sarcoma

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Enhanced poly(adenosine diphosphate ribose) polymerase activity and gene expression in Ewing's sarcoma cells.

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Ewing's sarcoma (ES) is a highly malignant childhood bone tumor and is considered curable by moderate doses of radiotherapy. The addition of chemical inhibitors of the activity of the nuclear enzyme poly(adenosine diphosphate ribose) [poly(ADPR)] polymerase to ES cells in culture results in

Biochemical and cytotoxic actions of 3,6-dihydroxy-4,5-dimethylphthalaldehyde in sarcoma 180 cells.

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The replication of Sarcoma 180 cells in culture was inhibited by 3,6-dihydroxy-4,5-dimethylphthalaldehyde (HMPA). The inhibition of growth caused by HMPA was evident after treatment of cells with drug for only 15 min. This exposure period caused decreased in (a) cloning efficiency, (b) transport

Effect of temozolomide on the viability of musculoskeletal sarcoma cells.

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Musculoskeletal sarcomas (MSS) are a heterogeneous group of malignancies with relatively high mortality rates. The prognosis for patients with MSS is poor, with few drugs inducing measurable activity. Alkylating agents, namely ifosfamide and dacarbazine, which act nonspecifically on proliferating

Foreign body sarcoma: effects of foreign DNA, beta-carotene and paprika applied to the implant surface.

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Sarcoma arises extremely rarely on foreign bodies in man, but is aggressive and often lethal. A coating for implants which would further reduce the risk in man is desirable. The incidence in mice is much greater, and responds to chemical treatment of the implant surface. Coating with histones

Malignant fibrous histiocytoma--pleomorphic sarcoma, NOS gene expression, histology, and clinical course. A pilot study.

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OBJECTIVE The new classification of malignant fibrous histiocytoma leaves only a small group of tumors without further line of differentiation, so-called pleomorphic sarcomas, not otherwise specified (NOS) as a pseudo-entity. This study focused on these tumors and analyzed the association of gene

Depletion of high energy phosphate compouds in the tumor-bearing state and reversal after tumor resection.

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BACKGROUND Cancer cachexia is a syndrome manifested by a variety of metabolic abnormalities that include depletion of host energy stores. We studied liver and skeletal muscle high energy phosphate compounds, inorganic phosphorus (Pi), and the energy charge in tumor-bearing (TB), pair fed

Separate P2T and P2U purinergic receptors with similar second messenger signaling pathways in UMR-106 osteoblasts.

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UMR-106 rat osteogenic sarcoma cells express two calcium signaling P2 purinergic receptors. One is a P2U receptor with EC50's for adenosine triphosphate (ATP) and uridine triphosphate (UTP) of 2.6 and 2.4 microM, respectively. The other is a novel P2T receptor for adenosine diphosphate (ADP) (EC50

Mode of action of 9-beta-D-arabinofuranosyladenine on the synthesis of DNA, RNA, and protein in vivo and in vitro.

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The influence of 9-beta-D-arabinofuranosyladenine (ara-A) and its 5'-triphosphate derivative on programmed synthesis was tested with an intact cell system as well as with isolated enzyme systems. The effect of ara-A was tested in mouse lymphoma cells (L5178Y). The compound reduces cell proliferation

PARP-1 expression as a prognostic factor in Desmoid-type fibromatosis.

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Desmoid-type fibromatoses (or desmoid tumors) are entities of intermediate biological potential and are locally invasive. Radical surgery, as state of the art therapy, is frequently limited by incomplete resections. Hormone modifying therapies are promising but further research is required. Poly

Targeted next-generation sequencing of advanced prostate cancer identifies potential therapeutic targets and disease heterogeneity.

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BACKGROUND Most personalized cancer care strategies involving DNA sequencing are highly reliant on acquiring sufficient fresh or frozen tissue. It has been challenging to comprehensively evaluate the genome of advanced prostate cancer (PCa) because of limited access to metastatic

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