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Home > Other Heterocycles > 11079-53-1
CAS No: 11079-53-1 Catalog No: AG01DP91 MDL No:MFCD01861497
Title | Journal |
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Accessing the molecular interactions of phthalates and their primary metabolites with the human pregnane X receptor using in silico profiling. | Journal of applied toxicology : JAT 20161201 |
The pregnane X receptor down-regulates organic cation transporter 1 (SLC22A1) in human hepatocytes by competing for ('squelching') SRC-1 coactivator. | British journal of pharmacology 20160501 |
Improved assays for xenosensor activation based on reverse transfection. | Toxicology in vitro : an international journal published in association with BIBRA 20151001 |
No activation of human pregnane X receptor by hyperforin-related phloroglucinols. | The Journal of pharmacology and experimental therapeutics 20140301 |
Exploration of natural compounds as sources of new bifunctional scaffolds targeting cholinesterases and beta amyloid aggregation: the case of chelerythrine. | Bioorganic & medicinal chemistry 20121115 |
Investigating the effectiveness of St John's wort herb as an antimicrobial agent against mycobacteria. | Phytotherapy research : PTR 20120901 |
In vivo photoprotective and anti-inflammatory effect of hyperforin is associated with high antioxidant activity in vitro and ex vivo. | European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V 20120601 |
Mechanisms controlling neurite outgrowth in a pheochromocytoma cell line: the role of TRPC channels. | Journal of cellular physiology 20120401 |
Hyperforin induces apoptosis of chronic lymphocytic leukemia cells through upregulation of the BH3-only protein Noxa. | International journal of oncology 20120101 |
Secondary metabolites of Hypericum leptophyllum Hochst., an endemic Turkish species. | TheScientificWorldJournal 20120101 |
Hyperforin changes the zinc-storage capacities of brain cells. | Neuropharmacology 20111201 |
Hyperforin promotes mitochondrial function and development of oligodendrocytes. | Journal of neurochemistry 20111101 |
The BH3-only protein Noxa is stimulated during apoptosis of chronic lymphocytic leukemia cells triggered by M2YN, a new plant-derived extract. | International journal of oncology 20111001 |
In vitro photochemical and phototoxicological characterization of major constituents in St. John's Wort (Hypericum perforatum) extracts. | Phytochemistry 20111001 |
Up-regulation of P-glycoprotein reduces intracellular accumulation of beta amyloid: investigation of P-glycoprotein as a novel therapeutic target for Alzheimer's disease. | The Journal of pharmacy and pharmacology 20110801 |
In-vitro antitumor activity evaluation of hyperforin derivatives. | Journal of Asian natural products research 20110801 |
Tetrahydrohyperforin prevents cognitive deficit, Aβ deposition, tau phosphorylation and synaptotoxicity in the APPswe/PSEN1ΔE9 model of Alzheimer's disease: a possible effect on APP processing. | Translational psychiatry 20110701 |
Synthesis of novel vitamin K2 analogues with modification at the ω-terminal position and their biological evaluation as potent steroid and xenobiotic receptor (SXR) agonists. | Journal of medicinal chemistry 20110623 |
Induction of apoptosis in K562 cells by dicyclohexylammonium salt of hyperforin through a mitochondrial-related pathway. | Chemico-biological interactions 20110425 |
Use of STAT1 inhibitors in the treatment of brain I/R injury and neurodegenerative diseases. | Central nervous system agents in medicinal chemistry 20110301 |
Isolation and purification of series bioactive components from Hypericum perforatum L. by counter-current chromatography. | Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20110301 |
Metabolism of hyperforin, the active constituent of St. John's wort, in human liver microsomes. | European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences 20110214 |
Pharmacological studies on Hypericum perforatum fractions and constituents. | Pharmaceutical biology 20110101 |
Antidepressant hyperforin up-regulates VEGF in CNS tumour cells. | Pharmacological research 20110101 |
Effects of UV-B on secondary metabolites of St. John's Wort (Hypericum perforatum L.) grown in controlled environments. | Photochemistry and photobiology 20110101 |
Exposure of LS-180 cells to drugs of diverse physicochemical and therapeutic properties up-regulates P-glycoprotein expression and activity. | Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques 20110101 |
Hyperforin inhibits Akt1 kinase activity and promotes caspase-mediated apoptosis involving Bad and Noxa activation in human myeloid tumor cells. | PloS one 20110101 |
Hyperforin is a modulator of inducible nitric oxide synthase and phagocytosis in microglia and macrophages. | Naunyn-Schmiedeberg's archives of pharmacology 20100601 |
Secondary metabolites of Hypericum confertum and their possible chemotaxonomic significance. | Natural product communications 20100601 |
Store-depletion and hyperforin activate distinct types of Ca(2+)-conducting channels in cortical neurons. | Cell calcium 20100601 |
Lessons learned from herbal medicinal products: the example of St. John's Wort (perpendicular). | Journal of natural products 20100528 |
Hyperforin induces Ca(2+)-independent arachidonic acid release in human platelets by facilitating cytosolic phospholipase A(2) activation through select phospholipid interactions. | Biochimica et biophysica acta 20100401 |
Enhanced steatosis by nuclear receptor ligands: a study in cultured human hepatocytes and hepatoma cells with a characterized nuclear receptor expression profile. | Chemico-biological interactions 20100330 |
Study of dynamic accumulation of secondary metabolites in three subspecies of Hypericum perforatum. | Fitoterapia 20100301 |
The hyperforin derivative IDN5706 occludes spatial memory impairments and neuropathological changes in a double transgenic Alzheimer's mouse model. | Current Alzheimer research 20100301 |
Simple 2,4-diacylphloroglucinols as classic transient receptor potential-6 activators--identification of a novel pharmacophore. | Molecular pharmacology 20100301 |
A prolonged protein kinase C-mediated, opioid-related antinociceptive effect of st John's Wort in mice. | The journal of pain : official journal of the American Pain Society 20100201 |
Catalytic asymmetric total synthesis of ent-hyperforin. | Angewandte Chemie (International ed. in English) 20100201 |
Evaluation of cynomolgus monkey pregnane X receptor, primary hepatocyte, and in vivo pharmacokinetic changes in predicting human CYP3A4 induction. | Drug metabolism and disposition: the biological fate of chemicals 20100101 |
The TRPC6 channel activator hyperforin induces the release of zinc and calcium from mitochondria. | Journal of neurochemistry 20100101 |
Neurobiological effects of Hyperforin and its potential in Alzheimer's disease therapy. | Current medicinal chemistry 20100101 |
Tetrahydrohyperforin and octahydrohyperforin are two new potent inhibitors of angiogenesis. | PloS one 20100101 |
St. John's wort components and the brain: uptake, concentrations reached and the mechanisms underlying pharmacological effects. | Current drug metabolism 20091101 |
Hyperforin is a novel type of 5-lipoxygenase inhibitor with high efficacy in vivo. | Cellular and molecular life sciences : CMLS 20090801 |
Kava and St. John's Wort: current evidence for use in mood and anxiety disorders. | Journal of alternative and complementary medicine (New York, N.Y.) 20090801 |
Hyperforin and aristoforin inhibit lymphatic endothelial cell proliferation in vitro and suppress tumor-induced lymphangiogenesis in vivo. | International journal of cancer 20090701 |
Involvement of serotoninergic 5-HT1A/2A, alpha-adrenergic and dopaminergic D1 receptors in St. John's wort-induced prepulse inhibition deficit: a possible role of hyperforin. | Behavioural brain research 20090516 |
Mechanisms of Hyperforin as an anti-angiogenic angioprevention agent. | European journal of cancer (Oxford, England : 1990) 20090501 |
Proapoptotic and prepulse inhibition (PPI) disrupting effects of Hypericum perforatum in rats. | Journal of ethnopharmacology 20090421 |
Pregnane X receptor (PXR) regulates P-glycoprotein at the blood-brain barrier: functional similarities between pig and human PXR. | The Journal of pharmacology and experimental therapeutics 20090401 |
The effect of St. John's wort on the pharmacokinetics, metabolism and biliary excretion of finasteride and its metabolites in healthy men. | European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences 20090302 |
Noxa upregulation is associated with apoptosis of chronic lymphocytic leukemia cells induced by hyperforin but not flavopiridol. | Leukemia 20090301 |
Impact of the haplotypes of the human pregnane X receptor gene on the basal and St John's wort-induced activity of cytochrome P450 3A4 enzyme. | British journal of clinical pharmacology 20090201 |
No clinically relevant CYP3A induction after St. John's wort with low hyperforin content in healthy volunteers. | European journal of clinical pharmacology 20090101 |
Diacylglycerol analogues activate second messenger-operated calcium channels exhibiting TRPC-like properties in cortical neurons. | Journal of neurochemistry 20090101 |
Chemical constituents of Hypericum adenotrichum Spach, an endemic Turkish species. | Natural product research 20090101 |
LC-MS and LC-PDA analysis of Hypericum empetrifolium and Hypericum sinaicum. | Zeitschrift fur Naturforschung. C, Journal of biosciences 20090101 |
Specific TRPC6 channel activation, a novel approach to stimulate keratinocyte differentiation. | The Journal of biological chemistry 20081205 |
[Examination of different factors influencing the vascularization of human cutaneous melanoma]. | Magyar onkologia 20081201 |
Release of acetylcholinesterase (AChE) from beta-amyloid plaques assemblies improves the spatial memory impairments in APP-transgenic mice. | Chemico-biological interactions 20080925 |
Hypericum perforatum extract in burning mouth syndrome: a randomized placebo-controlled study. | Journal of oral pathology & medicine : official publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology 20080801 |
Bioactive constituent production in St. John's Wort in vitro hairy roots. Regenerated plant lines. | Journal of agricultural and food chemistry 20080709 |
Pseudohypericin and hyperforin in Hypericum perforatum from Northern Turkey: variation among populations, plant parts and phenological stages. | Journal of integrative plant biology 20080501 |
Hyperforin down-regulates effector function of activated T lymphocytes and shows efficacy against Th1-triggered CNS inflammatory-demyelinating disease. | Journal of leukocyte biology 20080101 |
HepaRG cells as an in vitro model for evaluation of cytochrome P450 induction in humans. | Drug metabolism and disposition: the biological fate of chemicals 20080101 |
Protective effects of St. John's wort extract and its component hyperforin against cytokine-induced cytotoxicity in a pancreatic beta-cell line. | The international journal of biochemistry & cell biology 20080101 |
Men reporting lasting longer with hyperforin. | International braz j urol : official journal of the Brazilian Society of Urology 20080101 |
Hyperforin--a key constituent of St. John's wort specifically activates TRPC6 channels. | FASEB journal : official publication of the Federation of American Societies for Experimental Biology 20071201 |
Differential accumulation of hyperforin and secohyperforin in Hypericum perforatum tissue cultures. | Phytochemistry 20071101 |
Variation of hyperforin in Hypericum montbretii during its phenological cycle. | Natural product research 20071101 |
Effect of hyperforin-enriched extract on pro-ejaculatory effect of 8-hydroxy-2-(di-N-propylamino)tetralin in anesthetized rats. | Urology 20071001 |
Inhibition of prostaglandin E(2) production by anti-inflammatory hypericum perforatum extracts and constituents in RAW264.7 Mouse Macrophage Cells. | Journal of agricultural and food chemistry 20070905 |
Variability in PXR-mediated induction of CYP3A4 by commercial preparations and dry extracts of St. John's wort. | Naunyn-Schmiedeberg's archives of pharmacology 20070801 |
Hyperforin modulation of drug resistance: saint or sinner? | Leukemia & lymphoma 20070801 |
Hyperforin inhibits P-gp and BCRP activities in chronic lymphocytic leukaemia cells and myeloid cells. | Leukemia & lymphoma 20070801 |
Hypericin and hyperforin production in St. John's wort in vitro culture: influence of saccharose, polyethylene glycol, methyl jasmonate, and Agrobacterium tumefaciens. | Journal of agricultural and food chemistry 20070725 |
Hyperforin accumulates in the translucent glands of Hypericum perforatum. | Annals of botany 20070601 |
Hyperforin blocks neutrophil activation of matrix metalloproteinase-9, motility and recruitment, and restrains inflammation-triggered angiogenesis and lung fibrosis. | The Journal of pharmacology and experimental therapeutics 20070501 |
Matrix proteases, green tea, and St. John's wort: biomedical research catches up with folk medicine. | Clinica chimica acta; international journal of clinical chemistry 20070501 |
Reduction of high-affinity beta2-adrenergic receptor binding by hyperforin and hyperoside on rat C6 glioblastoma cells measured by fluorescence correlation spectroscopy. | Biochemistry 20070501 |
Topical anti-inflammatory activity of extracts and compounds from Hypericum perforatum L. | The Journal of pharmacy and pharmacology 20070501 |
Biosynthesis of hyperforin and adhyperforin from amino acid precursors in shoot cultures of Hypericum perforatum. | Phytochemistry 20070401 |
[Hypericin and hyperforin: bioactive components of St. John's Wort (Hypericum perforatum). Their isolation, analysis and study of physiological effect]. | Ceska a Slovenska farmacie : casopis Ceske farmaceuticke spolecnosti a Slovenske farmaceuticke spolecnosti 20070401 |
In vitro antimalarial activity of hyperforin, a prenylated acylphloroglucinol. A structure-activity study. | Bioorganic & medicinal chemistry letters 20070315 |
A mechanistic study on altered pharmacokinetics of irinotecan by St. John's wort. | Current drug metabolism 20070201 |
The main components of St John's Wort inhibit low-density lipoprotein atherogenic modification: a beneficial 'side effect' of an OTC antidepressant drug? | Free radical research 20070201 |
Simultaneous determination of total hypericin and hyperforin in St. John's wort extracts by HPLC with electrochemical detection. | Phytochemical analysis : PCA 20070101 |
Phloroglucinol derivatives guttiferone G, aristoforin, and hyperforin: inhibitors of human sirtuins SIRT1 and SIRT2. | Angewandte Chemie (International ed. in English) 20070101 |
[New developments in hypericum extracts: data on efficacy and interactions]. | Wiener medizinische Wochenschrift (1946) 20070101 |
St. John's wort: role of active compounds for its mechanism of action and efficacy. | Wiener medizinische Wochenschrift (1946) 20070101 |
Hyperforin and its analogues inhibit CYP3A4 enzyme activity. | Phytochemistry 20061201 |
Hyperforin prevents beta-amyloid neurotoxicity and spatial memory impairments by disaggregation of Alzheimer's amyloid-beta-deposits. | Molecular psychiatry 20061101 |
Hyperforin. | Phytochemistry 20061001 |
Hyperforin, a new lead compound against the progression of cancer and leukemia? | Leukemia 20060901 |
NMDA receptor-antagonistic properties of hyperforin, a constituent of St. John's Wort. | Journal of pharmacological sciences 20060901 |
Hyperforin: more than an antidepressant bioactive compound? | Life sciences 20060606 |
Comparison of methods for the exhaustive extraction of hypericins, flavonoids, and hyperforin from Hypericum perforatum L. | Journal of agricultural and food chemistry 20060405 |
Hyperforin inhibits MMP-9 secretion by B-CLL cells and microtubule formation by endothelial cells. | Leukemia 20060401 |
MDR- and CYP3A4-mediated drug-herbal interactions. | Life sciences 20060327 |
Pro-apoptotic properties of hyperforin in leukemic cells from patients with B-cell chronic lymphocytic leukemia. | Leukemia 20060301 |
Hyperforin in St. John's wort drug interactions. | European journal of clinical pharmacology 20060301 |
St. John's wort (Hypericum perforatum) and breastfeeding: plasma and breast milk concentrations of hyperforin for 5 mothers and 2 infants. | The Journal of clinical psychiatry 20060201 |
The extent of induction of CYP3A by St. John's wort varies among products and is linked to hyperforin dose. | European journal of clinical pharmacology 20060101 |
Effect of eluent pH on the HPLC-UV analysis of hyperforin from St. John's Wort (Hypericum perforatum L.). | Phytochemical analysis : PCA 20060101 |
Hypericum perforatum: a 'modern' herbal antidepressant: pharmacokinetics of active ingredients. | Clinical pharmacokinetics 20060101 |
[The induction of CYP3A regulated by pregnane X receptor and its significance in drug metabolism]. | Yao xue xue bao = Acta pharmaceutica Sinica 20060101 |
Mass spectral characterization of phloroglucinol derivatives hyperforin and adhyperforin. | Rapid communications in mass spectrometry : RCM 20060101 |
Hyperforin, a bio-active compound of St. John's Wort, is a new inhibitor of angiogenesis targeting several key steps of the process. | International journal of cancer 20051210 |
St. John's wort. | American family physician 20051201 |
Quantitative analysis of the major constituents of St John's wort with HPLC-ESI-MS. | The Journal of pharmacy and pharmacology 20051201 |
Single-drop liquid-phase microextraction for the determination of hypericin, pseudohypericin and hyperforin in biological fluids by high performance liquid chromatography. | Journal of chromatography. A 20051104 |
St. John's wort and its constituent hyperforin concordantly regulate expression of genes encoding enzymes involved in basic cellular pathways. | Pharmacogenetics and genomics 20051101 |
Hyperforin acts as an angiogenesis inhibitor. | Planta medica 20051101 |
Approach to novel functional foods for stress control 4. Regulation of serotonin transporter by food factors. | The journal of medical investigation : JMI 20051101 |
Effect of the St. John's wort constituent hyperforin on docetaxel metabolism by human hepatocyte cultures. | Clinical cancer research : an official journal of the American Association for Cancer Research 20051001 |
Reduction of ethanol intake by chronic treatment with Hypericum perforatum, alone or combined with naltrexone in rats. | Journal of psychopharmacology (Oxford, England) 20050901 |
Potential for interaction of kava and St. John's wort with drugs. | Journal of ethnopharmacology 20050822 |
Construction of highly functionalized medium-sized rings: synthesis of hyperforin and perforatumone model systems. | Angewandte Chemie (International ed. in English) 20050620 |
Hyperforin plasma level as a marker of treatment adherence in the National Institutes of Health Hypericum Depression Trial. | Journal of clinical psychopharmacology 20050601 |
Effects of the antidepressant St. John's wort (Hypericum perforatum) on rat and human vas deferens contractility. | The Journal of urology 20050601 |
Hyperforin activates nonselective cation channels (NSCCs). | British journal of pharmacology 20050501 |
Evaluation of hyperforin analogues for inhibition of 5-lipoxygenase. | Medicinal chemistry (Shariqah (United Arab Emirates)) 20050501 |
Functional induction and de-induction of P-glycoprotein by St. John's wort and its ingredients in a human colon adenocarcinoma cell line. | Drug metabolism and disposition: the biological fate of chemicals 20050401 |
No relevant interaction with alprazolam, caffeine, tolbutamide, and digoxin by treatment with a low-hyperforin St John's wort extract. | Planta medica 20050401 |
Potential antidepressant properties of IDN 5491 (hyperforin-trimethoxybenzoate), a semisynthetic ester of hyperforin. | European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology 20050301 |
High-performance liquid chromatography measurement of hyperforin and its reduced derivatives in rodent plasma. | Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20050225 |
Possible involvement of pregnane X receptor-enhanced CYP24 expression in drug-induced osteomalacia. | The Journal of clinical investigation 20050103 |
Aristoforin, a novel stable derivative of hyperforin, is a potent anticancer agent. | Chembiochem : a European journal of chemical biology 20050101 |
The first prenylation step in hyperforin biosynthesis. | Phytochemistry 20050101 |
Biosynthesis of the hyperforin skeleton in Hypericum calycinum cell cultures. | Phytochemistry 20050101 |
Investigation of the bioavailability of hypericin, pseudohypericin, hyperforin and the flavonoids quercetin and isorhamnetin following single and multiple oral dosing of a hypericum extract containing tablet. | Arzneimittel-Forschung 20050101 |
Regulation of gene transcription by botanicals: novel regulatory mechanisms. | Annual review of nutrition 20050101 |
Investigation of pharmacokinetic data of hypericin, pseudohypericin, hyperforin and the flavonoids quercetin and isorhamnetin revealed from single and multiple oral dose studies with a hypericum extract containing tablet in healthy male volunteers. | Arzneimittel-Forschung 20050101 |
Simultaneous determination of hypericin and hyperforin in human plasma with liquid chromatography-tandem mass spectrometry. | Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20041225 |
Air/light-free hyphenated extraction/analysis system: supercritical fluid extraction on-line coupled with liquid chromatography-UV absorbance/electrospray mass spectrometry for the determination of hyperforin and its degradation products in Hypericum pertoratum. | Analytical chemistry 20041115 |
Modulation of chemoselectivity by protein additives. Remarkable effects in the oxidation of hyperforin. | The Journal of organic chemistry 20041112 |
Modulation of P-glycoprotein function by St John's wort extract and its major constituents. | Pharmacopsychiatry 20041101 |
Hyperforin, the active component of St. John's wort, induces IL-8 expression in human intestinal epithelial cells via a MAPK-dependent, NF-kappaB-independent pathway. | Journal of clinical immunology 20041101 |
Hyperforin depletes synaptic vesicles content and induces compartmental redistribution of nerve ending monoamines. | Life sciences 20041022 |
Safety of Hypericum extract in mildly to moderately depressed outpatients: a review based on data from three randomized, placebo-controlled trials. | Journal of affective disorders 20041015 |
Instability of St. John's wort (Hypericum perforatum L.) and degradation of hyperforin in aqueous solutions and functional beverage. | Journal of agricultural and food chemistry 20041006 |
Undeclared exposure to St. John's Wort in hospitalized patients. | British journal of clinical pharmacology 20041001 |
Hyperforin content determines the magnitude of the St John's wort-cyclosporine drug interaction. | Clinical pharmacology and therapeutics 20041001 |
Hyperforin modifies neuronal membrane properties in vivo. | Neuroscience letters 20040902 |
Hyperforin inhibits cancer invasion and metastasis. | Cancer research 20040901 |
The antidepressant mechanism of Hypericum perforatum. | Life sciences 20040716 |
Stimulation of hippocampal acetylcholine release by hyperforin, a constituent of St. John's Wort. | Neuroscience letters 20040708 |
Development of a high-performance liquid chromatographic method with electrochemical detection for the determination of hyperforin. | Journal of chromatography. A 20040702 |
Inhibitory effect of the antidepressant St. John's wort (hypericum perforatum) on rat bladder contractility in vitro. | Urology 20040701 |
In vitro effects of the dicyclohexylammonium salt of hyperforin on interleukin-6 release in different experimental models. | Planta medica 20040701 |
Induction and inhibition of cytochromes P450 by the St. John's wort constituent hyperforin in human hepatocyte cultures. | Drug metabolism and disposition: the biological fate of chemicals 20040501 |
Suppression of receptor-mediated Ca2+ mobilization and functional leukocyte responses by hyperforin. | Biochemical pharmacology 20040415 |
Proteome analysis reveals a distinct molecular profile of cellular stress following incubation of DDT1-MF2 smooth muscle cells in the presence of a high concentration of hyperforin. | Planta medica 20040401 |
Enrichment of hyperforin from St. John's wort (Hypericum perforatum) by pilot-scale supercritical carbon dioxide extraction. | European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences 20040301 |
The production of hypericins and hyperforin by in vitro cultures of St. John's wort (Hypericum perforatum). | Biotechnology and applied biochemistry 20040201 |
Induction of human CYP2C9 by rifampicin, hyperforin, and phenobarbital is mediated by the pregnane X receptor. | The Journal of pharmacology and experimental therapeutics 20040201 |
Extracts of St. John's wort and various constituents affect beta-adrenergic binding in rat frontal cortex. | Life sciences 20040109 |
In vitro metabolism of hyperforin in rat liver microsomal systems. | Drug metabolism and disposition: the biological fate of chemicals 20040101 |
Quantitative characterization of direct P-glycoprotein inhibition by St John's wort constituents hypericin and hyperforin. | The Journal of pharmacy and pharmacology 20040101 |
In vitro interaction of the HIV protease inhibitor ritonavir with herbal constituents: changes in P-gp and CYP3A4 activity. | American journal of therapeutics 20040101 |
Role of hyperforin in the pharmacological activities of St. John's Wort. | CNS drug reviews 20040101 |
Liquid chromatographic determination of St. John's wort components in functional foods. | Journal of AOAC International 20040101 |
Hyperforin-containing extracts of St John's wort fail to alter gene transcription in brain areas involved in HPA axis control in a long-term treatment regimen in rats. | Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology 20031201 |
Enhancement of proteolytic processing of the beta-amyloid precursor protein by hyperforin. | Biochemical pharmacology 20031201 |
Correlation of hyperforin content of Hypericum perforatum (St John's Wort) extracts with their effects on alcohol drinking in C57BL/6J mice: a preliminary study. | Journal of psychopharmacology (Oxford, England) 20031201 |
Induction of hypericins and hyperforins in Hypericum perforatum in response to damage by herbivores. | Journal of chemical ecology 20031201 |
A new synthetic approach to the polycyclic polyprenylated acylphloroglucinols. | Organic letters 20031127 |
Determination of hyperforin in mouse brain by high-performance liquid chromatography/tandem mass spectrometry. | Analytical chemistry 20031115 |
St. John's wort extracts and some of their constituents potently inhibit ultimate carcinogen formation from benzo[a]pyrene-7,8-dihydrodiol by human CYP1A1. | Cancer research 20031115 |
Vitamin K2 regulation of bone homeostasis is mediated by the steroid and xenobiotic receptor SXR. | The Journal of biological chemistry 20031107 |
Hypericum perforatum subspecies angustifolium shows a protective activity on the consequences of unavoidable stress exposure at lower doses than Hypericum perforatum perforatum. | Pharmacopsychiatry 20031101 |
Hyperforin contributes to the hepatic CYP3A-inducing effect of Hypericum perforatum extract in the mouse. | Toxicological sciences : an official journal of the Society of Toxicology 20030901 |
A simple and reliable semipreparative high-performance liquid chromatography technique for the isolation of marker-grade hyperforin from Hypericum perforatum L extract. | Journal of chromatographic science 20030901 |
Further degradation product of hyperforin from Hypericum perforatum (St John's Wort). | Fitoterapia 20030701 |
Hyperforin a constituent of St John's wort (Hypericum perforatum L.) extract induces apoptosis by triggering activation of caspases and with hypericin synergistically exerts cytotoxicity towards human malignant cell lines. | European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V 20030701 |
Comparison of the growth-inhibitory effect of Hypericum perforatum L. extracts, differing in the concentration of phloroglucinols and flavonoids, on leukaemia cells. | The Journal of pharmacy and pharmacology 20030701 |
Step by step removal of hyperforin and hypericin: activity profile of different Hypericum preparations in behavioral models. | Life sciences 20030620 |
Hyperforin inhibits vesicular uptake of monoamines by dissipating pH gradient across synaptic vesicle membrane. | Life sciences 20030613 |
Phosphorylation- and stimulus-dependent inhibition of cellular 5-lipoxygenase activity by nonredox-type inhibitors. | FASEB journal : official publication of the Federation of American Societies for Experimental Biology 20030501 |
[Topical treatment of atopic dermatitis with Hypericum cream. A randomised, placebo-controlled, double-blind half-side comparison study]. | Der Hautarzt; Zeitschrift fur Dermatologie, Venerologie, und verwandte Gebiete 20030301 |
Treatment with Hypericum perforatum L. does not trigger decreased resistance in Staphylococcus aureus against antibiotics and hyperforin. | Phytomedicine : international journal of phytotherapy and phytopharmacology 20030301 |
2.1 A crystal structure of human PXR in complex with the St. John's wort compound hyperforin. | Biochemistry 20030218 |
Current St John's wort research from mode of action to clinical efficacy. | Pharmacological research 20030201 |
Antagonist effect of pseudohypericin at CRF1 receptors. | European journal of pharmacology 20030105 |
Human organic anion transporting polypeptide-C (SLC21A6) is a major determinant of rifampin-mediated pregnane X receptor activation. | The Journal of pharmacology and experimental therapeutics 20030101 |
Hypericum perforatum, a source of neuroactive lead structures. | Current topics in medicinal chemistry 20030101 |
[Dangerous interaction of St. John's wort with chemotherapy?]. | Pharmazie in unserer Zeit 20030101 |
[Formulation of St. John's wort extract. A medicinal obstacle course]. | Pharmazie in unserer Zeit 20030101 |
[Charge conformity and biopharmaceutic characterization. St. John's Wort extract preparations in comparison]. | Pharmazie in unserer Zeit 20030101 |
Structural investigations of isomeric oxidised forms of hyperforin by HPLC-NMR and HPLC-MSn. | Phytochemical analysis : PCA 20030101 |
Fast high-performance liquid chromatographic analysis of naphthodianthrones and phloroglucinols from Hypericum perforatum extracts. | Phytochemical analysis : PCA 20030101 |
Hyperforin is a dual inhibitor of cyclooxygenase-1 and 5-lipoxygenase. | Biochemical pharmacology 20021215 |
Role of hyperforin in the antidepressant-like activity of Hypericum perforatum extracts. | Psychopharmacology 20021201 |
Pharmacological activity of hyperforin acetate in rats. | Behavioural pharmacology 20021201 |
An in vitro and hydroponic growing system for hypericin, pseudohypericin, and hyperforin production of St. John's wort (Hypericum perforatum CV new stem). | Planta medica 20021201 |
Biorelevant dissolution testing of St John's wort products. | The Journal of pharmacy and pharmacology 20021201 |
Determination of hyperforin in human plasma using solid-phase extraction and high-performance liquid chromatography with ultraviolet detection. | Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20021115 |
The involvement of sodium and calcium ions in the release of amino acid neurotransmitters from mouse cortical slices elicited by hyperforin. | Life sciences 20021018 |
Biosynthesis of hyperforin in Hypericum perforatum. | Journal of medicinal chemistry 20021010 |
Inhibition of vesicular uptake of monoamines by hyperforin. | Life sciences 20020927 |
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. | Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20020925 |
Rapid quantification of constituents in St. John's wort extracts by NIR spectroscopy. | Journal of pharmaceutical and biomedical analysis 20020515 |
A preliminary approach to nonenolizable beta,beta-tricarbonyls: assembly of a hyperevolutin prototype. | The Journal of organic chemistry 20020503 |
Dual modulation of striatal acetylcholine release by hyperforin, a constituent of St. John's wort. | The Journal of pharmacology and experimental therapeutics 20020501 |
Regulating natural health products. | Science (New York, N.Y.) 20020405 |
Synthesis and biological evaluation of hyperforin analogues. Part I. Modification of the enolized cyclohexanedione moiety. | Journal of natural products 20020401 |
Determining hyperforin and hypericin content in eight brands of St. John's wort. | American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists 20020315 |
Inhibition of tumour cell growth by hyperforin, a novel anticancer drug from St. John's wort that acts by induction of apoptosis. | Oncogene 20020214 |
Short term treatment with St. John's wort, hypericin or hyperforin fails to induce CYP450 isoforms in the Swiss Webster mouse. | Life sciences 20020201 |
Regulation of multidrug resistance-associated protein 2 (ABCC2) by the nuclear receptors pregnane X receptor, farnesoid X-activated receptor, and constitutive androstane receptor. | The Journal of biological chemistry 20020125 |
Separation of hypericins and hyperforins in extracts of Hypericum perforatum L. using non-aqueous capillary electrophoresis with reversed electro-osmotic flow. | Journal of pharmaceutical and biomedical analysis 20020101 |
Quantitative analysis of the active components and the by-products of eight dry extracts of Hypericum perforatum L. (St John's Wort). | Phytochemical analysis : PCA 20020101 |
[Hyperforin in St. John's wort--drug, extraction and preparations]. | Pharmazie in unserer Zeit 20020101 |
Determination of hyperforin, hypericin, and pseudohypericin in human plasma using high-performance liquid chromatography analysis with fluorescence and ultraviolet detection. | Journal of chromatography. B, Biomedical sciences and applications 20011205 |
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. | Journal of pharmaceutical and biomedical analysis 20011201 |
Antidepressant activity of hyperforin conjugates of the St. John's wort, Hypericum perforatum Linn.: an experimental study. | Indian journal of experimental biology 20011201 |
Is St John's wort a 'Prozac-like' herbal antidepressant? | Trends in pharmacological sciences 20011101 |
High-performance liquid chromatography-electrospray ionization mass spectrometry and multiple mass spectrometry studies of hyperforin degradation products. | Journal of chromatography. A 20010810 |
Effects of two different extracts of St. John's wort and some of their constituents on cytochrome P450 activities in rat liver microsomes. | Pharmacopsychiatry 20010701 |
Stimulation of glutamate, aspartate and gamma-aminobutyric acid release from synaptosomes by hyperforin. | Pharmacopsychiatry 20010701 |
In vivo neurotransmitter release in the locus coeruleus--effects of hyperforin, inescapable shock and fear. | Pharmacopsychiatry 20010701 |
A current review of the antimicrobial activity of Hypericum perforatum L. | Pharmacopsychiatry 20010701 |
Acute and chronic actions of a dry methanolic extract of Hypericum perforatum and a hyperforin-rich extract on dopaminergic and serotonergic neurones in rat nucleus accumbens. | Pharmacopsychiatry 20010701 |
Neuroendocrine effects of Hypericum extract WS 5570 in 12 healthy male volunteers. | Pharmacopsychiatry 20010701 |
In vitro effects of St. John's wort extract and hyperforin on 5 HT uptake and efflux in human blood platelets. | Pharmacopsychiatry 20010701 |
Evaluation of synaptosomal uptake inhibition of most relevant constituents of St. John's wort. | Pharmacopsychiatry 20010701 |
Batch-to-batch reproducibility of St. John's wort preparations. | Pharmacopsychiatry 20010701 |
Effects of hyperforin on the fluidity of brain membranes. | Pharmacopsychiatry 20010701 |
Researching the antidepressant actions of Hypericum perforatum (St. John's wort) in animals and man. | Pharmacopsychiatry 20010701 |
A study of the antidepressant activity of Hypericum perforatum on animal models. | Pharmacopsychiatry 20010701 |
In vitro binding studies with two hypericum perforatum extracts--hyperforin, hypericin and biapigenin--on 5-HT6, 5-HT7, GABA(A)/benzodiazepine, sigma, NPY-Y1/Y2 receptors and dopamine transporters. | Pharmacopsychiatry 20010701 |
Hypericum extract and hyperforin: memory-enhancing properties in rodents. | Pharmacopsychiatry 20010701 |
Hyperforin stimulates intracellular calcium mobilisation and enhances extracellular acidification in DDT1-MF2 smooth muscle cells. | Pharmacopsychiatry 20010701 |
Interleukin-6 involvement in antidepressant action of Hypericum perforatum. | Pharmacopsychiatry 20010701 |
Effects of Hypericum perforatum L. on evoked potentials in guinea pig hippocampal slices. | Pharmacopsychiatry 20010701 |
Hyperforin--antidepressant activity by a novel mechanism of action. | Pharmacopsychiatry 20010701 |
St John's wort: Prozac from the plant kingdom. | Trends in pharmacological sciences 20010601 |
Effect of St. John's wort on free radical production. | Life sciences 20010601 |
St John's Wort and literature quotations. | Archives of internal medicine 20010409 |
Adhyperforin as a contributor to the effect of Hypericum perforatum L. in biochemical models of antidepressant activity. | Life sciences 20010223 |
Pharmacology. How the body's 'garbage disposal' may inactivate drugs. | Science (New York, N.Y.) 20010105 |
Three new hyperforin analogues from Hypericum perforatum. | Journal of natural products 20010101 |
Effects of a methanolic extract and a hyperforin-enriched CO2 extract of Hypericum perforatum on alcohol intake in rats. | Alcohol and alcoholism (Oxford, Oxfordshire) 20010101 |
Comparative evaluation of St. John's wort from different Italian regions. | Farmaco (Societa chimica italiana : 1989) 20010101 |
Comparison of German St. John's wort products according to hyperforin and total hypericin content. | Journal of the American Pharmaceutical Association (Washington,D.C. : 1996) 20010101 |
Variability in St. John's wort formulations is an important consideration. | Alternative therapies in health and medicine 20010101 |
Improved procedure for the quality control of Hypericum perforatum L. | Phytochemical analysis : PCA 20010101 |
St John's wort, a herbal antidepressant, activates the steroid X receptor. | The Journal of endocrinology 20000901 |
St. John's wort induces hepatic drug metabolism through activation of the pregnane X receptor. | Proceedings of the National Academy of Sciences of the United States of America 20000620 |
Hyperforin as a possible antidepressant component of hypericum extracts. | Life sciences 19980101 |
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