Schmitt AC et al. |
Investigation of some Hypericum species native to Southern of Brazil for antiviral activity. |
2001 |
J Ethnopharmacol |
pmid:11535370
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Wilhelm KP et al. |
Role of flavonoids in controlling the phototoxicity of Hypericum perforatum extracts. |
2001 |
Phytomedicine |
pmid:11515722
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Gao Q et al. |
Effect of hypericin on confocal imaging of Ca2+ signaling in cultured human retinal pigment epithelium. |
2001 |
Yan Ke Xue Bao |
pmid:12567741
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Kang BY et al. |
Inhibition of interleukin-12 production in lipopolysaccharide-activated mouse macrophages by hpyericin, an active component of Hypericum perforatum. |
2001 |
Planta Med. |
pmid:11458458
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Barnes J et al. |
St John's wort (Hypericum perforatum L.): a review of its chemistry, pharmacology and clinical properties. |
2001 |
J. Pharm. Pharmacol. |
pmid:11370698
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Calapai G et al. |
Serotonin, norepinephrine and dopamine involvement in the antidepressant action of hypericum perforatum. |
2001 |
Pharmacopsychiatry |
pmid:11302563
|
Nathan PJ |
Hypericum perforatum (St John's Wort): a non-selective reuptake inhibitor? A review of the recent advances in its pharmacology. |
2001 |
J. Psychopharmacol. (Oxford) |
pmid:11277608
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de los Reyes GC and Koda RT |
Development of a simple, rapid and reproducible HPLC assay for the simultaneous determination of hypericins and stabilized hyperforin in commercial St. John's wort preparations. |
2001 |
J Pharm Biomed Anal |
pmid:11600308
|
Yova D et al. |
Photochemical effects and hypericin photosensitized processes in collagen. |
2001 |
J Biomed Opt |
pmid:11178580
|
Southwell IA and Bourke CA |
Seasonal variation in hypericin content of Hypericum perforatum L. (St. John's Wort). |
2001 |
Phytochemistry |
pmid:11261576
|
Fox E et al. |
Plasma pharmacokinetics and cerebrospinal fluid penetration of hypericin in nonhuman primates. |
2001 |
Cancer Chemother. Pharmacol. |
pmid:11221960
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Jacobson JM et al. |
Pharmacokinetics, safety, and antiviral effects of hypericin, a derivative of St. John's wort plant, in patients with chronic hepatitis C virus infection. |
2001 |
Antimicrob. Agents Chemother. |
pmid:11158749
|
Chen B et al. |
Photodynamic therapy with hypericin in a mouse P388 tumor model: vascular effects determine the efficacy. |
2001 |
Int. J. Oncol. |
pmid:11251168
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Peebles KA et al. |
Catalytic inhibition of human DNA topoisomerase IIalpha by hypericin, a naphthodianthrone from St. John's wort (Hypericum perforatum). |
2001 |
Biochem. Pharmacol. |
pmid:11597574
|
Cavarga I et al. |
Photodynamic therapy of murine fibrosarcoma with topical and systemic administration of hypericin. |
2001 |
Phytomedicine |
pmid:11695874
|
Uzdensky AB et al. |
Intracellular localisation of hypericin in human glioblastoma and carcinoma cell lines. |
2001 |
Lasers Med Sci |
pmid:11702633
|
Chan LY et al. |
A study of hypericin-induced teratogenicity during organogenesis using a whole rat embryo culture model. |
2001 |
Fertil. Steril. |
pmid:11704142
|
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Final report on the safety assessment of Hypericum perforatum extract and Hypericum perforatum oil. |
2001 |
Int. J. Toxicol. |
pmid:11558639
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Butterweck V et al. |
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 |
pmid:11526469
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Blank M et al. |
Anti-cancer activities of hypericin in the dark. |
2001 |
Photochem. Photobiol. |
pmid:11547544
|
Kamuhabwa AR et al. |
Cellular photodestruction induced by hypericin in AY-27 rat bladder carcinoma cells. |
2001 |
Photochem. Photobiol. |
pmid:11547545
|
Mirossay A et al. |
The effect of quercetin on light-induced cytotoxicity of hypericin. |
2001 |
Physiol Res |
pmid:11829327
|
Vantieghem A et al. |
Different pathways mediate cytochrome c release after photodynamic therapy with hypericin. |
2001 |
Photochem. Photobiol. |
pmid:11547546
|
Rahimipour S et al. |
Hypericin derivatives: substituent effects on radical-anion formation. |
2001 |
Photochem. Photobiol. |
pmid:11547548
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Obermüller RA et al. |
Toward hypericin-derived potential photodynamic therapy agents. |
2001 |
Photochem. Photobiol. |
pmid:11547557
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Wills NJ et al. |
Tumor cell toxicity of hypericin and related analogs. |
2001 |
Photochem. Photobiol. |
pmid:11547558
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Xie X et al. |
Tumor-specific and photodependent cytotoxicity of hypericin in the human LNCaP prostate tumor model. |
2001 |
Photochem. Photobiol. |
pmid:11547559
|
Bergonzi MC et al. |
Variability in the content of the constituents of Hypericum perforatum L. and some commercial extracts. |
2001 |
Drug Dev Ind Pharm |
pmid:11548855
|
Whiskey E et al. |
A systematic review and meta-analysis of Hypericum perforatum in depression: a comprehensive clinical review. |
2001 |
Int Clin Psychopharmacol |
pmid:11552767
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Paba V et al. |
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. |
pmid:11470563
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Wurglics M et al. |
Batch-to-batch reproducibility of St. John's wort preparations. |
2001 |
Pharmacopsychiatry |
pmid:11518067
|
Franklin M and Cowen PJ |
Researching the antidepressant actions of Hypericum perforatum (St. John's wort) in animals and man. |
2001 |
Pharmacopsychiatry |
pmid:11518072
|
Calapai G et al. |
Interleukin-6 involvement in antidepressant action of Hypericum perforatum. |
2001 |
Pharmacopsychiatry |
pmid:11518082
|
Ali SM et al. |
Hypericin and hypocrellin induced apoptosis in human mucosal carcinoma cells. |
2001 |
J. Photochem. Photobiol. B, Biol. |
pmid:11748006
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Kiniczky M |
[Hyperici herba (Hypericum perforatum L]. |
2001 |
Acta Pharm Hung |
pmid:11769089
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Perloff MD et al. |
Saint John's wort: an in vitro analysis of P-glycoprotein induction due to extended exposure. |
2001 |
Br. J. Pharmacol. |
pmid:11739235
|
Tekel'ová D and Mrlianová M |
[Experimental cultivation of Hypericum perforatum L. in Bratislava]. |
2001 |
Ceska Slov Farm |
pmid:11797201
|
Bauer S et al. |
Determination of hyperforin, hypericin, and pseudohypericin in human plasma using high-performance liquid chromatography analysis with fluorescence and ultraviolet detection. |
2001 |
J. Chromatogr. B Biomed. Sci. Appl. |
pmid:11817306
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Ali SM et al. |
Induction of apoptosis by Hypericin through activation of caspase-3 in human carcinoma cells. |
2001 |
Int. J. Mol. Med. |
pmid:11605021
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Zupkó I et al. |
In vivo photodynamic activity of hypericin in transitional cell carcinoma bladder tumors. |
2001 |
Int. J. Oncol. |
pmid:11295062
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Schempp CM et al. |
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 |
pmid:11295948
|
Poutaraud A et al. |
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. |
pmid:11345698
|
Schulz V |
Incidence and clinical relevance of the interactions and side effects of Hypericum preparations. |
2001 |
Phytomedicine |
pmid:11315759
|
Schempp CM et al. |
Hypericin photo-induced apoptosis involves the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and activation of caspase-8. |
2001 |
FEBS Lett. |
pmid:11277999
|
Chen B et al. |
Synergistic effect of photodynamic therapy with hypericin in combination with hyperthermia on loss of clonogenicity of RIF-1 cells. |
2001 |
Int. J. Oncol. |
pmid:11351263
|
Kanofsky JR and Sima PD |
Girard's reagent P derivative of beta-Apo-8'-carotenal: a potent photoprotective agent. |
2001 |
Photochem. Photobiol. |
pmid:11332029
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Hunt EJ et al. |
Effect of St. John's wort on free radical production. |
2001 |
Life Sci. |
pmid:11441908
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Chen B et al. |
Efficacy of antitumoral photodynamic therapy with hypericin: relationship between biodistribution and photodynamic effects in the RIF-1 mouse tumor model. |
2001 |
Int. J. Cancer |
pmid:11410877
|
Dinkins MB et al. |
Photosensitive chemical and laser light treatments decrease epizootic hemorrhagic disease virus associated with in vitro produced bovine embryos. |
2001 |
Theriogenology |
pmid:11393216
|
Wirz A et al. |
Absorbance data of hypericin and pseudohypericin used as reference compounds for medicinal plant analysis. |
2001 |
Pharmazie |
pmid:11210670
|
Cotterill JA |
Severe phototoxic reaction to laser treatment in a patient taking St John's Wort. |
2001 |
J Cosmet Laser Ther |
pmid:12006194
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Hwang MS et al. |
Inhibition of c-erbB-2 expression an activity in human ovarian carcinoma cells by hypericin. |
2001 Jul-Aug |
Anticancer Res. |
pmid:11724334
|
Pietta P et al. |
Comparative evaluation of St. John's wort from different Italian regions. |
2001 May-Jul |
Farmaco |
pmid:11482784
|
Poutaraud A et al. |
Improved procedure for the quality control of Hypericum perforatum L. |
2001 Nov-Dec |
Phytochem Anal |
pmid:11793812
|
Taher MM et al. |
Mood-enhancing antidepressant St. John's wort inhibits the activation of human immunodeficiency virus gene expression by ultraviolet light. |
2002 |
IUBMB Life |
pmid:12665247
|
Langosch JM et al. |
St John's wort (Hypericum perforatum) modulates evoked potentials in guinea pig hippocampal slices via AMPA and GABA receptors. |
2002 |
Eur Neuropsychopharmacol |
pmid:12007672
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Tolonen A et al. |
Determination of naphthodianthrones and phloroglucinols from Hypericum perforatum extracts by liquid chromatography/tandem mass spectrometry. |
2002 |
Rapid Commun. Mass Spectrom. |
pmid:11857723
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Klier CM et al. |
St. John's wort (Hypericum perforatum)--is it safe during breastfeeding? |
2002 |
Pharmacopsychiatry |
pmid:11819157
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Johne A et al. |
Decreased plasma levels of amitriptyline and its metabolites on comedication with an extract from St. John's wort ( Hypericum perforatum ). |
2002 |
J Clin Psychopharmacol |
pmid:11799342
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Wada A et al. |
Effects of St John's wort and hypericin on cytotoxicity of anticancer drugs. |
2002 |
Drug Metab. Pharmacokinet. |
pmid:15618698
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Kaltschmidt B et al. |
Stimulus-dependent activation of NF-kappaB specifies apoptosis or neuroprotection in cerebellar granule cells. |
2002 |
Neuromolecular Med. |
pmid:12622408
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Pirker R et al. |
Simultaneous determination of hypericin and hyperforin in human plasma and serum using liquid-liquid extraction, high-performance liquid chromatography and liquid chromatography-tandem mass spectrometry. |
2002 |
J. Chromatogr. B Analyt. Technol. Biomed. Life Sci. |
pmid:12270208
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Murch SJ et al. |
An in vitro and hydroponic growing system for hypericin, pseudohypericin, and hyperforin production of St. John's wort (Hypericum perforatum CV new stem). |
2002 |
Planta Med. |
pmid:12494339
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Widy-Tyszkiewicz E et al. |
Long term administration of Hypericum perforatum improves spatial learning and memory in the water maze. |
2002 |
Biol. Pharm. Bull. |
pmid:12392080
|
Mirossay A et al. |
Modulation of the phototoxic effect of hypericin in human leukemia CEM cell line by N-ethylmaleimide, amiloride and omeprazole. |
2002 |
Physiol Res |
pmid:12511190
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Siepmann M et al. |
The effects of St John's wort extract on heart rate variability, cognitive function and quantitative EEG: a comparison with amitriptyline and placebo in healthy men. |
2002 |
Br J Clin Pharmacol |
pmid:12236848
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Chen B et al. |
Antivascular tumor eradication by hypericin-mediated photodynamic therapy. |
2002 |
Photochem. Photobiol. |
pmid:12462645
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Gao Q et al. |
[Effects of hypericin on traumatic proliferative vitreoretinopathy in rabbits]. |
2002 |
Yan Ke Xue Bao |
pmid:15515769
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von Eggelkraut-Gottanka SG et al. |
Roller compaction and tabletting of St. John's wort plant dry extract using a gap width and force controlled roller compactor. I. Granulation and tabletting of eight different extract batches. |
2002 |
Pharm Dev Technol |
pmid:12503525
|
Jensen AG and Hansen SH |
Separation of hypericins and hyperforins in extracts of Hypericum perforatum L. using non-aqueous capillary electrophoresis with reversed electro-osmotic flow. |
2002 |
J Pharm Biomed Anal |
pmid:11682223
|
Ekins S and Erickson JA |
A pharmacophore for human pregnane X receptor ligands. |
2002 |
Drug Metab. Dispos. |
pmid:11744617
|
Bray BJ et al. |
Short term treatment with St. John's wort, hypericin or hyperforin fails to induce CYP450 isoforms in the Swiss Webster mouse. |
2002 |
Life Sci. |
pmid:11883710
|
de los Reyes GC and Koda RT |
Determining hyperforin and hypericin content in eight brands of St. John's wort. |
2002 |
Am J Health Syst Pharm |
pmid:11908248
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Agostinis P et al. |
Hypericin in cancer treatment: more light on the way. |
2002 |
Int. J. Biochem. Cell Biol. |
pmid:11849990
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Varriale L et al. |
Molecular aspects of photodynamic therapy: low energy pre-sensitization of hypericin-loaded human endometrial carcinoma cells enhances photo-tolerance, alters gene expression and affects the cell cycle. |
2002 |
FEBS Lett. |
pmid:11852097
|
Chen B et al. |
Photodynamic therapy with hypericin induces vascular damage and apoptosis in the RIF-1 mouse tumor model. |
2002 |
Int. J. Cancer |
pmid:11857421
|
Schempp CM et al. |
Phototoxic and apoptosis-inducing capacity of pseudohypericin. |
2002 |
Planta Med. |
pmid:11859473
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Pytel A and Schmeller N |
New aspect of photodynamic diagnosis of bladder tumors: fluorescence cytology. |
2002 |
Urology |
pmid:11834388
|
Butterweck V et al. |
Long-term effects of St. John's wort and hypericin on monoamine levels in rat hypothalamus and hippocampus. |
2002 |
Brain Res. |
pmid:11879791
|
Miskovsky P |
Hypericin--a new antiviral and antitumor photosensitizer: mechanism of action and interaction with biological macromolecules. |
2002 |
Curr Drug Targets |
pmid:11899265
|
Derycke AS and De Witte PA |
Transferrin-mediated targeting of hypericin embedded in sterically stabilized PEG-liposomes. |
2002 |
Int. J. Oncol. |
pmid:11743662
|
Kamuhabwa AA et al. |
Biodistribution of hypericin in orthotopic transitional cell carcinoma bladder tumors: implication for whole bladder wall photodynamic therapy. |
2002 |
Int. J. Cancer |
pmid:11774272
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Ali SM and Olivo M |
Bio-distribution and subcellular localization of Hypericin and its role in PDT induced apoptosis in cancer cells. |
2002 |
Int. J. Oncol. |
pmid:12168096
|
Wen J et al. |
Toward the molecular flashlight: preparation, properties, and photophysics of a hypericin-luciferin tethered molecule. |
2002 |
Photochem. Photobiol. |
pmid:12194210
|
Shin I et al. |
Thermal denaturation of Bungarus fasciatus acetylcholinesterase: Is aggregation a driving force in protein unfolding? |
2002 |
Protein Sci. |
pmid:12142456
|
Solár P et al. |
Effect of acetazolamide on hypericin photocytotoxicity. |
2002 |
Planta Med. |
pmid:12143007
|
Romerio F and Zella D |
MEK and ERK inhibitors enhance the anti-proliferative effect of interferon-alpha2b. |
2002 |
FASEB J. |
pmid:12206994
|
Ali SM et al. |
Hypocrellins and Hypericin induced apoptosis in human tumor cells: a possible role of hydrogen peroxide. |
2002 |
Int. J. Mol. Med. |
pmid:11956650
|
Smelcerovic A et al. |
The separation of hypericine and pseudohypericine from Hypericum perforatum L. |
2002 |
Pharmazie |
pmid:11933846
|
Ali SM et al. |
Hypericin induced death receptor-mediated apoptosis in photoactivated tumor cells. |
2002 |
Int. J. Mol. Med. |
pmid:12011977
|
Hritz J et al. |
Influence of structure of human, rat, and bovine serum albumins on binding properties of photoactive drug hypericin. |
2002 |
Biopolymers |
pmid:12012440
|
D'Hallewin MA et al. |
Hypericin-based fluorescence diagnosis of bladder carcinoma. |
2002 |
BJU Int. |
pmid:11966641
|
Vantieghem A et al. |
Phosphorylation of Bcl-2 in G2/M phase-arrested cells following photodynamic therapy with hypericin involves a CDK1-mediated signal and delays the onset of apoptosis. |
2002 |
J. Biol. Chem. |
pmid:12101183
|
Morrey JD et al. |
Identification of active antiviral compounds against a New York isolate of West Nile virus. |
2002 |
Antiviral Res. |
pmid:12076755
|
Walker TS et al. |
Jasmonic acid-induced hypericin production in cell suspension cultures of Hypericum perforatum L. (St. John's wort). |
2002 |
Phytochemistry |
pmid:12031448
|
Conforti F et al. |
Antioxidant activity of methanolic extract of Hypericum triquetrifolium Turra aerial part. |
2002 |
Fitoterapia |
pmid:12385870
|
Wierrani F et al. |
Photodynamic action of some sensitizers by photooxidation of luminol. |
2002 |
Naturwissenschaften |
pmid:12384722
|
Siboni G et al. |
The correlation between hydrophilicity of hypericins and helianthrone: internalization mechanisms, subcellular distribution and photodynamic action in colon carcinoma cells. |
2002 |
Photochem. Photobiol. Sci. |
pmid:12659159
|
Chen B et al. |
Enhancing the antitumoral effect of hypericin-mediated photodynamic therapy by hyperthermia. |
2002 |
Lasers Surg Med |
pmid:12224088
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Droller MJ |
Biodistribution of hypericin in orthotopic transitional cell carcinoma bladder tumors: implication for whole bladder wall photodynamic therapy. |
2002 |
J. Urol. |
pmid:12134841
|