phenylethylamine/neoplasms

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A longevity study with enhancer substances (selegiline, BPAP) detected an unknown tumor-manifestation-suppressing regulation in rat brain.

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OBJECTIVE First proof to show that (-)-deprenyl/selegiline (DEP), the first selective inhibitor of MAO-B, later identified as the first β-phenylethylamine (PEA)-derived synthetic catecholaminergic activity enhancer (CAE) substance and (2R)-1-(1-benzofuran-2-yl)-N-propylpentane-2-amine (BPAP), the

Enhanced 3-methoxytyramine levels in crown gall tumours and other undifferentiated plant tissues.

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An amine, after dansylation, has been isolated from Nicotiana tabacum crown gall tumours for the first time and characterized as 4-hydroxy-3-methoxy-beta-phenylethylamine (3-methoxytyramine). The compound cannot be detected in differentiated N. tabacum tissues but appears in the corresponding callus

Total Synthesis and Stereochemical Assignment of Delavatine A: Rh-Catalyzed Asymmetric Hydrogenation of Indene-Type Tetrasubstituted Olefins and Kinetic Resolution through Pd-Catalyzed Triflamide-Directed C-H Olefination.

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Delavatine A (1) is a structurally unusual isoquinoline alkaloid isolated from Incarvillea delavayi. The first and gram-scale total synthesis of 1 was accomplished in 13 steps (the longest linear sequence) from commercially available starting materials. We exploited an isoquinoline construction

Dirty electricity, chronic stress, neurotransmitters and disease.

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Dirty electricity, also called electrical pollution, is high-frequency voltage transients riding along the 50 or 60 Hz electricity provided by the electric utilities. It is generated by arcing, by sparking and by any device that interrupts current flow, especially switching power supplies. It has

Dopamine agonists and analogues have an antiproliferative effect on CHO-K1 cells.

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Epidemiological studies have shown a reduced incidence of cancer in Parkinson's disease. Since nearly all parkinsonian patients with clinical impairment are treated with L-beta-3,4-dihydroxyphenylalanine (L-DOPA) and dopamine (DA)ergic agonists, a possibility exists that these therapeutic agents can

Anticancer, anti-inflammatory, and analgesic activities of synthesized 2-(substituted phenoxy) acetamide derivatives.

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The aphorism was to develop new chemical entities as potential anticancer, anti-inflammatory, and analgesic agents. The Leuckart synthetic pathway was utilized in development of novel series of 2-(substituted phenoxy)-N-(1-phenylethyl)acetamide derivatives. The compounds containing

Specific metabolic activation of FK973, a new antitumor antibiotic, in L1210 leukemia cells.

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FK973 (11-acetyl-8-carbamoyloxymethyl-4-formyl-14-oxa-1,11- diazatetracyclo[7.4.1.O2,7O10,12]tetradeca-2,4,6-trien -6,9-diyl diacetate), a new substituted dihydrobenzoxazine, has potent cytotoxic and antitumor effects on murine and human tumors in vivo and in vitro, and forms interstrand DNA-DNA and

Discovery of novel 17-phenylethylaminegeldanamycin derivatives as potent Hsp90 inhibitors.

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Twenty-six 17-phenylethylamine-modified geldanamycin derivatives were synthesized and evaluated for antiproliferation activity in human cancer cell lines, LNCaP and MDA-MB-231. Five derivatives (2j, 2q, 2v, 2x, and 2 y) showed excellent in vitro antitumor activities. Among them, compound 2 y was the

Mirror-image organometallic osmium arene iminopyridine halido complexes exhibit similar potent anticancer activity.

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Four chiral Os(II) arene anticancer complexes have been isolated by fractional crystallization. The two iodido complexes, (S(Os),S(C))-[Os(η(6)-p-cym)(ImpyMe)I]PF6 (complex 2, (S)-ImpyMe: N-(2-pyridylmethylene)-(S)-1-phenylethylamine) and (R(Os),R(C))-[Os(η(6)-p-cym)(ImpyMe)I]PF6 (complex 4,

Involvement of glutathione metabolism in the cytotoxicity of the phenethyl isothiocyanate and its cysteine conjugate to human leukaemia cells in vitro.

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The dietary isothiocyanate and cancer chemopreventive agent, phenethyl isothiocyanate, induced apoptosis of human leukaemia HL60 and human myeloblastic leukaemia ML-1 cells in vitro. Cytotoxicity was associated with an initial decrease in GSH and GSSG, with a concomitant formation of the GSH adduct

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