Search Results - "Christoffel, Volker"

In vitro assays for bioactivity-guided isolation of endocrine active compounds in Vitex agnus-castus by Jarry, Hubertus, Spengler, Barbara, Wuttke, Wolfgang, Christoffel, Volker

“…Extracts of Vitex agnus-castus (VAC) are used for the treatment of premenstrual symptoms. The mechanism of action was proposed to be dopaminergic and…”
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Apigenin drives the production of reactive oxygen species and initiates a mitochondrial mediated cell death pathway in prostate epithelial cells by Morrissey, Colm, O'Neill, Amanda, Spengler, Barbara, Christoffel, Volker, Fitzpatrick, John M., Watson, R. William G.

“…BACKGROUND Phytoestrogens may reduce tumorigenesis in prostate cancer. We screened five phytoestrogens for their effect on cell growth and apoptosis in PWR‐1E,…”
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Cannabidiol revisited by Mayr, Tobias, Grassl, Tobias, Korber, Nikolaus, Christoffel, Volker, Bodensteiner, Michael

“…The crystal structure of cannabidiol, C 21 H 30 O 2 , {systematic name: 2-[(1 R ,6 R )-3-methyl-6-(prop-1-en-2-yl)cyclohex-2-enyl]-5-pentylbenzene-1,3-diol},…”
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Step by step removal of hyperforin and hypericin: activity profile of different Hypericum preparations in behavioral models by Butterweck, Veronika, Christoffel, Volker, Nahrstedt, Adolf, Petereit, Frank, Spengler, Barbara, Winterhoff, Hilke

“…Herbal extracts of Hypericum perfora tum L. (St. John's wort, SJW) are now successfully competing for status as a standard antidepressant therapy. Because of…”
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Evidence for selective estrogen receptor modulator activity in a black cohosh (Cimicifuga racemosa) extract: comparison with estradiol-17β by SEIDLOVA-WUTTKE, Dana, HESSE, Oda, JARRY, Hubertus, CHRISTOFFEL, Volker, SPENGLER, Barbara, BECKER, Tamara, WUTTKE, Wolfgang

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In vitro effects of the Cimicifuga racemosa extract BNO 1055 by Jarry, Hubertus, Metten, Maria, Spengler, Barbara, Christoffel, Volker, Wuttke, Wolfgang

“…Objectives: Extracts of Black cohosh ( Cimicifuga racemosa or CR) have been used for the treatment of climacteric complaints since decades. Efficacy,…”
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Tectorigenin and other phytochemicals extracted from leopard lily Belamcanda chinensis affect new and established targets for therapies in prostate cancer by Thelen, Paul, Scharf, Jens-Gerd, Burfeind, Peter, Hemmerlein, Bernhard, Wuttke, Wolfgang, Spengler, Barbara, Christoffel, Volker, Ringert, Rolf-Hermann, Seidlová-Wuttke, Dana

“…Isoflavones have been shown to exert antiproliferative effects on cancer cells by steroid receptor signaling. In this study, we demonstrate the potential of…”
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Evidence for estrogen receptor beta-selective activity of Vitex agnus-castus and isolated flavones by Jarry, Hubertus, Spengler, Barbara, Porzel, Andrea, Schmidt, Juergen, Wuttke, Wolfgang, Christoffel, Volker

“…Recent cell culture experiments indicated that extracts of Vitex agnus-castus (VAC) may contain yet unidentified phytoestrogens. Estrogenic actions are…”
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Phytoestrogens derived from Belamcanda chinensis have an antiproliferative effect on prostate cancer cells in vitro by Morrissey, Colm, Bektic, Jasmin, Spengler, Barbara, Galvin, David, Christoffel, Volker, Klocker, Helmut, Fitzpatrick, John M, Watson, R William G

“…Phytoestrogens are nonsteroidal plant derived compounds with estrogenic activity that have been implicated in protecting against prostate cancer progression…”
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Cimicifuga extract BNO 1055: reduction of hot flushes and hints on antidepressant activity by Winterhoff, Hilke, Spengler, Barbara, Christoffel, Volker, Butterweck, Veronika, Löhning, Anke

“…Ethanolic- and isopropanolic-aqueous extracts of Cimicifuga racemosa are used for the treatment of climacteric complaints. As hot flushes and psychic…”
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The flavonoid apigenin inhibits the proliferation of prostatic stromal cells via the MAPK-pathway and cell-cycle arrest in G1/S by Bektic, Jasmin, Guggenberger, Roman, Spengler, Barbara, Christoffel, Volker, Pelzer, Alexandre, Berger, Andreas P., Ramoner, Reinhold, Bartsch, Georg, Klocker, Helmut

“…Phytoestrogen apigenin, a member of flavonoids, has been described for its ability to induce growth arrest in carcinomas of colon, breast and prostate. In…”
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Phytoestrogens: endocrine disrupters or replacement for hormone replacement therapy? by Wuttke, Wolfgang, Jarry, Hubertus, Becker, Tamara, Schultens, Alexander, Christoffel, Volker, Gorkow, Christoph, Seidlová-Wuttke, Dana

“…This review presents findings with clear statements from the literature as well as own results of effects of soy, red clover and their isoflavones as well as…”
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Phytoestrogens: endocrine disrupters or replacement for hormone replacement therapy? by Wuttke, Wolfgang, Jarry, Hubertus, Becker, Tamara, Schultens, Alexander, Christoffel, Volker, Gorkow, Christoph, Seidlová-Wuttke, Dana

“…Objectives: This review presents findings with clear statements from the literature as well as own results of effects of soy, red clover and their isoflavones…”
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Antispasmodic activity of Thymus vulgaris extract on the isolated guinea-pig trachea: discrimination between drug and ethanol effects by Meister, A, Bernhardt, G, Christoffel, V, Buschauer, A

“…The effect of an extract of Thymus vulgaris on induced spasms was investigated on guinea-pig trachea preparations. By the experimental setup used, effects of…”
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Analysis of DNA in endometrial cancer cells treated with phyto-estrogenic compounds using comparative genomic hybridisation microarrays by O'Toole, Sharon A, Sheppard, Brian L, Sheils, Orla, O'Leary, John J, Spengler, Barbara, Christoffel, Volker

“…The aim of this study was to identify genomic aberrations in endometrial cancer cells treated with the phyto-estrogenic compounds tectorigenin, irigenin and…”
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Reprint of Phytoestrogens: endocrine disrupters or replacement for hormone replacement therapy? by Wuttke, Wolfgang, Jarry, Hubertus, Becker, Tamara, Schultens, Alexander, Christoffel, Volker, Gorkow, Christoph, Seidlová-Wuttke, Dana

“…Abstract Objectives: This review presents findings with clear statements from the literature as well as own results of effects of soy, red clover and their…”
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Evidence for selective estrogen receptor modulator activity in a black cohosh (Cimicifuga racemosa) extract: comparison with estradiol-17beta by Seidlova-Wuttke, Dana, Hesse, Oda, Jarry, Hubertus, Christoffel, Volker, Spengler, Barbara, Becker, Tamara, Wuttke, Wolfgang

“…Some phytoestrogens are believed to have selective estrogen receptor modulator (SERM) activity with no action in the uterus but beneficial effects in the…”
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Isoflavone tectorigenin down-regulates proliferation factors and up-regulates pro-apoptotic factors in LNCaP prostate cancer cells by Thelen, Paul, Christoffel, Volker, Spengler, Barbara, Ringert, Rolf-Hermann, Wuttke, Wolfgang

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Apigenin and silybinin induce apoptosis and cause cell cycle arrest in prostate epithelial cells by Morrissey, Colm, O.'Neill, Amanda, Spengler, Barbara, Christoffel, Volker, Fitzpatrick, John M, William, R, Watson, G

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A phosphodiester bridge between two arabinose residues as a structural element of an extracellular glycöprotein of Volvox carteri by HOLST, Otto, CHRISTOFFEL, Volker, FRÜND, Rüdiger, MOLL, Hermann, SUMPER, Manfred

“…The sulphated glycoprotein SSG 185 is the monomeric precursor of a highly aggregated structural element in the extracellular matrix of the multicellular green…”
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