Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:Q06643 (non-Hodgkin's lymphoma)
 11,307 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Red cell reduced glutatione (GSH) and pyrimidine 5'-nucleotidase (Pry 5'-NT) were measured in a variety of myeloproliferative and lymphoproliferative disorders. Raised levels of GSH were found in chronic lymphocytic leukaemia, Hodgkin's disease, non-Hodgkin's lymphoma, Waldenstrom's macroglobulinaemia and myeloma. Decreased activity of Pyr 5'-NT was found in acute myeloblastic leukaemia, acute lymphoblastic leukaemia, chronic granulocytic leukaemia, chronic lymphocytic leukaemia, Hodgkin's disease and non-Hodgkin's lymphoma. There was no correlation between the raised GSH levels and decrease Pry 5'-NT levels.
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PMID:Red cell pyrimidine 5'-nucleotidase and glutathione in myeloproliferative and lymphoproliferative disorders. 624 15

Metabolism of perchloroethylene (Perc) occurs by cytochrome P450-dependent oxidation and glutathione (GSH) conjugation. The cytochrome P450 pathway generates tri- and dichloroacetate as metabolites of Perc, and these are associated with hepatic toxicity and carcinogenicity. The GSH conjugation pathway is associated with generation of reactive metabolites selectively in the kidneys and with Perc-induced renal toxicity and carcinogenicity. Physiologically based pharmacokinetic models have been developed for Perc in rodents and in humans. We propose the addition of a submodel that incorporates the GSH conjugation pathway and the kidneys as a target organ. Long-term bioassays of Perc exposure in laboratory animals have identified liver tumors in male and female mice, kidney tumors in male rats, and mononuclear cell leukemia in male and female rats. Increases in incidence of non-Hodgkin's lymphoma and of cervical, esophageal, and urinary bladder cancer have been observed for workers exposed to Perc. Limited, and not always consistent, evidence is available concerning the kidneys as a target organ for Perc in humans. Three potential modes of action for Perc-induced liver tumorigenesis are: 1) modification of signaling pathways; 2) cytotoxicity, cell death, and reparative hyperplasia; and 3) direct DNA damage. Four potential modes of action for Perc-induced renal tumorigenesis are: 1) peroxisome proliferation, 2) alpha-2u-globulin nephropathy, 3) genotoxicity leading to somatic mutation, and 4) acute cytotoxicity and necrosis leading to cell proliferation. Finally, the epidemiological and experimental data are assessed and use of toxicity information in the development of a reference dose and a reference concentration for human Perc exposure are presented.
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PMID:Hepatic and renal toxicities associated with perchloroethylene. 1135 83

Curcumin is the pigment of turmeric and has been reported as a signal transduction modulator and inhibitor of transcription factors, for example, NF-kappaB. In our article we found a concentration-dependent cytotoxic activity of curcumin in a panel of eight leukemic cell lines (SKW-3, CEM, U-937, HL-60, HL-60/Dox, K-562, LAMA-84, and AR-230). Additive to synergistic interactions was recorded for combinations with bendamustine and idarubicine in SKW-3 and LAMA-84 cells. Noteworthy, in multiple myeloma cells (RPMI-8226 and U-266) a potentiation of the efficacy of bendamustine by curcumin application was found. Moreover, curcumin increased the bendamustine cytotoxicity in cultures of cells isolated from the bone marrow of a patient with non-Hodgkin's lymphoma (NHL). The increased bendamustine efficacy could be explained by NF-kappaB inhibition, because this factor is activated in many cancers, especially leukemia and multiple myeloma. Curcumin is characterized by low toxicity and was described to have a chemoprotective activity. Therefore, the level of reduced glutathione (GSH) was measured and a concentration-dependent increase of GSH levels was recorded in AR-230 and SKW-3 cells (concentration range 5-25 muM). Experiments with mice showed significant protection against cisplatin-induced chromosomal aberrations (clastogenic effect) and inhibition of mitoses in bone marrow cells. Curcumin alone caused reduction of the mitotic index. In combination with cisplatin, however, this parameter was increased when compared to cisplatin alone. Our data indicate that curcumin has pleiotropic effects on signal transduction by inhibiting transcription thus exerting antitumor activity. In addition, curcumin has protective and anticlastogenic activity by enhancing the scavenging of free radicals.
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PMID:Antineoplastic and anticlastogenic properties of curcumin. 1740 48