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1999 |
Biochemistry |
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1999 |
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1999 |
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1999 |
Physiol Res |
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1999 |
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1999 |
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1999 |
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2000 |
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2000 |
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2000 |
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1999 |
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2000 |
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Tamoxifen-resistant glioma-cell sub-populations are characterized by increased migration and proliferation. |
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2000 |
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2000 |
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2000 |
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Investigation of the absorption of hypericin into the skin of hairless mice. |
2000 |
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Inhibition of human cytochrome P450 enzymes by constituents of St. John's Wort, an herbal preparation used in the treatment of depression. |
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Effect of topical application of Hypericum perforatum extract (St. John's wort) on skin sensitivity to solar simulated radiation. |
2000 |
Photodermatol Photoimmunol Photomed |
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2000 |
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Hypericin and photodynamic therapy decreases human pancreatic cancer in vitro and in vivo. |
2000 |
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2000 |
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Photodynamic activity of hypericin in human urinary bladder carcinoma cells. |
2000 Jul-Aug |
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2000 |
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2000 |
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Determination of hypericin and pseudohypericin in pharmaceutical preparations by liquid chromatography with fluorescence detection. |
2000 |
J. Chromatogr. B Biomed. Sci. Appl. |
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2000 |
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2000 |
J. Photochem. Photobiol. B, Biol. |
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Pharmacokinetics, safety, and antiviral effects of hypericin, a derivative of St. John's wort plant, in patients with chronic hepatitis C virus infection. |
2001 |
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Photochemical effects and hypericin photosensitized processes in collagen. |
2001 |
J Biomed Opt |
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2000 |
Phytomedicine |
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Hypocrellin and hypericin-induced phototoxicity of HL-60 cells: apoptosis or necrosis? |
2000 |
Phytomedicine |
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Acute effects of LI 160 (extract of Hypericum perforatum, St John's wort) and two of its constituents on neuroendocrine responses in the rat. |
2000 |
J. Psychopharmacol. (Oxford) |
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Absorbance data of hypericin and pseudohypericin used as reference compounds for medicinal plant analysis. |
2001 |
Pharmazie |
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2001 |
Cancer Chemother. Pharmacol. |
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2001 |
Int. J. Oncol. |
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Seasonal variation in hypericin content of Hypericum perforatum L. (St. John's Wort). |
2001 |
Phytochemistry |
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2001 |
Photochem. Photobiol. |
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2001 |
Photochem. Photobiol. |
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2001 |
J. Psychopharmacol. (Oxford) |
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Hypericin photo-induced apoptosis involves the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and activation of caspase-8. |
2001 |
FEBS Lett. |
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2001 |
Int. J. Oncol. |
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Single-dose and steady-state administration of Hypericum perforatum extract (St John's Wort) does not influence skin sensitivity to UV radiation, visible light, and solar-simulated radiation. |
2001 |
Arch Dermatol |
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Serotonin, norepinephrine and dopamine involvement in the antidepressant action of hypericum perforatum. |
2001 |
Pharmacopsychiatry |
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Incidence and clinical relevance of the interactions and side effects of Hypericum preparations. |
2001 |
Phytomedicine |
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Girard's reagent P derivative of beta-Apo-8'-carotenal: a potent photoprotective agent. |
2001 |
Photochem. Photobiol. |
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Effect of light on hypericins contents in fresh flowering top parts and in an extract of St. John's Wort (Hypericum perforatum). |
2001 |
Planta Med. |
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Synergistic effect of photodynamic therapy with hypericin in combination with hyperthermia on loss of clonogenicity of RIF-1 cells. |
2001 |
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Hypericin: an answer for safer blood? |
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Light-induced photoactivation of hypericin inhibits cellular growth in pituitary adenoma cell line AtT20/D16v-F2 (hypericin inhibits cellular growth of AtT20/D16v-F2). |
2001 |
Acta Medica (Hradec Kralove) |
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2001 |
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2000 Nov-Dec |
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Photosensitive chemical and laser light treatments decrease epizootic hemorrhagic disease virus associated with in vitro produced bovine embryos. |
2001 |
Theriogenology |
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Efficacy of antitumoral photodynamic therapy with hypericin: relationship between biodistribution and photodynamic effects in the RIF-1 mouse tumor model. |
2001 |
Int. J. Cancer |
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Effect of St. John's wort on free radical production. |
2001 |
Life Sci. |
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Inhibition of interleukin-12 production in lipopolysaccharide-activated mouse macrophages by hpyericin, an active component of Hypericum perforatum. |
2001 |
Planta Med. |
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Photo-activation of hypericin with low doses of light promotes apparent photo-resistance in human histiocytic lymphoma U937 cells. |
2001 |
J. Photochem. Photobiol. B, Biol. |
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Comparative evaluation of St. John's wort from different Italian regions. |
2001 May-Jul |
Farmaco |
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Role of flavonoids in controlling the phototoxicity of Hypericum perforatum extracts. |
2001 |
Phytomedicine |
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Batch-to-batch reproducibility of St. John's wort preparations. |
2001 |
Pharmacopsychiatry |
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Researching the antidepressant actions of Hypericum perforatum (St. John's wort) in animals and man. |
2001 |
Pharmacopsychiatry |
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Calapai G et al. |
Interleukin-6 involvement in antidepressant action of Hypericum perforatum. |
2001 |
Pharmacopsychiatry |
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St John's wort, hypericin, and imipramine: a comparative analysis of mRNA levels in brain areas involved in HPA axis control following short-term and long-term administration in normal and stressed rats. |
2001 |
Mol. Psychiatry |
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Investigation of some Hypericum species native to Southern of Brazil for antiviral activity. |
2001 |
J Ethnopharmacol |
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Anti-cancer activities of hypericin in the dark. |
2001 |
Photochem. Photobiol. |
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Cellular photodestruction induced by hypericin in AY-27 rat bladder carcinoma cells. |
2001 |
Photochem. Photobiol. |
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Different pathways mediate cytochrome c release after photodynamic therapy with hypericin. |
2001 |
Photochem. Photobiol. |
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Hypericin derivatives: substituent effects on radical-anion formation. |
2001 |
Photochem. Photobiol. |
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Identification of a vibrational frequency corresponding to H-atom translocation in hypericin. |
2001 |
Photochem. Photobiol. |
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In vitro study of the photocytotoxicity of some hypericin analogs on different cell lines. |
2001 |
Photochem. Photobiol. |
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Interaction of hypericin with serum albumins: surface-enhanced Raman spectroscopy, resonance Raman spectroscopy and molecular modeling study. |
2001 |
Photochem. Photobiol. |
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