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The effect of vitamin B-6 deficiency on in vivo host susceptibility to primary Moloney sarcoma virus (MSV)-induced tumor growth and to secondary challenge with MSB sarcoma cells was examined in mice. Female C57BL/6 mice, 6 weeks of age, were fed 20% casein diets with pyridoxine (PN) added at 1, 0.5,
Analogues of pyridoxal and of pyridoxal phosphate in which the 4-CHO group is replaced with CH = CH2 were synthesized and were found to be potent inhibitors of pyridoxal kinase and pyridoxine phosphate oxidase of rat liver. They also inhibited the growth of mouse Sarcoma 180 and mammary
2-Formyl-3-hydroxy-4,5-bis(hydroxymethyl)pyridine thiosemicarbazone was synthesized in an attempt to direct the chelating potential of this agent to the active site of the zinc-requiring enzyme pyridoxal phosphokinase. Evaluation of the antineoplastic activity of this agent in the sarcoma 180 and
In AIDS, only a few types of tumors (mainly Kaposi's sarcoma and non-Hodgkin's lymphoma) increase in incidence despite global abnormalities in the immune system. In addition, the reason for the higher incidence of these tumors is not immunosuppression but other agents. This shows that the immune
Previously we have hypothesized that the small molecules which are selectively accumulated in cancer cells might participate in a non-immunological antitumor surveillance mechanism. We demonstrated earlier that a mixture of experimentally selected substances ("active mixture", AM: L-arginine,
Olaratumab (Lartruvo) for the treatment of soft tissue sarcoma; bezlotoxumab (Zinplava) for use with an antibiotic to reduce recurrence of C. difficile infection; and doxylamine succinate/pyridoxine hydrochloride (Bonjesta) for the treatment of nausea and vomiting during pregnancy.