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Olaf Ortmann

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S Seitz; Luca Szalontay; A Treszl; M Zarandi; Jörg Engel; Florian Hohla; Olaf Ortmann; Ferenc Rick; A V Schally; S Buchholz
Combination of GHRH antagonists and docetaxel shows experimental effectiveness for the treatment of triple-negative breast cancers.
Susanne Schüler; Marvin Ponnath; Jörg Engel; Olaf Ortmann
Ovarian epithelial tumors and reproductive factors: a systematic review.
Claus Lattrich; Olaf Ortmann; Susanne Schüler; Anette Stegerer; Julia Häring; Oliver Treeck
Estrogen receptor β agonists affect growth and gene expression of human breast cancer cell lines.

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2013: S Seitz; Luca Szalontay; A Treszl; M Zarandi; Jörg Engel; Florian Hohla; Olaf Ortmann; Ferenc Rick; A V Schally; S Buchholz
Combination of GHRH antagonists and docetaxel shows experimental effectiveness for the treatment of triple-negative breast cancers.
Oncology reports 2013;30(1):413-8.
2013: Susanne Schüler; Marvin Ponnath; Jörg Engel; Olaf Ortmann
Ovarian epithelial tumors and reproductive factors: a systematic review.
Archives of gynecology and obstetrics 2013;287(6):1187-204.
2013: Claus Lattrich; Olaf Ortmann; Susanne Schüler; Anette Stegerer; Julia Häring; Oliver Treeck
Estrogen receptor β agonists affect growth and gene expression of human breast cancer cell lines.
Steroids 2013;78(2):195-202.
2013: Stephan Seitz; Luca Szalontay; Andrea Treszl; Florian Weber; Arumugam R Jayakumar; Frank Köster; Olaf Ortmann; Andrea Papadia; Ferenc Rick; Andrew V Schally; Stefan Buchholz; Florian Hohla
Targeting triple-negative breast cancer through the somatostatin receptor with the new cytotoxic somatostatin analogue AN-162 [AEZS-124].
Anti-cancer drugs 2013;24(2):150-7.
2012: Julia Häring; Claus Lattrich; Olaf Ortmann; Susanne Schüler; Oliver Treeck
Role of estrogen receptor β in gynecological cancer.
Gynecologic oncology 2012;127(3):673-6.
2012: Simone Diermeier-Daucher; Olaf Ortmann; Stefan Buchholz; Gero Brockhoff
Trifunctional antibody ertumaxomab: Non-immunological effects on Her2 receptor activity and downstream signaling.
mAbs 2012;4(5):614-22.
2012: Claus Lattrich; Anna-Kristin Müller; Alexandra Ruoff; Susanne Schüler; Oliver Treeck; Julia Häring; Olaf Ortmann
Single nucleotide polymorphisms in the regulatory region of gonadotropin-releasing hormone receptor gene and breast cancer susceptibility.
Oncology reports 2012;28(3):1091-5.
2012: Oliver Treeck; Susanne Schüler; Derya Belgutay; Julia Häring; Claus Lattrich; Olaf Ortmann
Network analysis of icb-1 gene function in human breast cancer cells.
Journal of cellular biochemistry 2012;113(9):2979-88.
2012: Jörg Engel; Stefan Buchholz; Günter Emons; Andrew V Schally; S Seitz; Olaf Ortmann
Targeted chemotherapy of endometrial, ovarian and breast cancers with cytotoxic analogs of luteinizing hormone-releasing hormone (LHRH).
Archives of gynecology and obstetrics 2012;286(2):437-42.
2012: Julia Lubig; Olaf Ortmann; Susanne Schüler; Anette Springwald; Julia Häring; Claus Lattrich; Oliver Treeck
Effects of a combined treatment with GPR30 agonist G-1 and herceptin on growth and gene expression of human breast cancer cell lines.
Cancer investigation 2012;30(5):372-9.
2012: Maciej Skrzypczak; Anette Springwald; Julia Häring; Claus Lattrich; Olaf Ortmann; Susanne Schüler; Oliver Treeck
Expression of cysteine protease cathepsin L is increased in endometrial cancer and correlates with expression of growth regulatory genes.
Cancer investigation 2012;30(5):398-403.
2012: Julia Häring; Claus Lattrich; Olaf Ortmann; Maciej Skrzypczak; Anette Stegerer; Regina Görse; Florian Weber; Oliver Treeck
Estrogen receptor β transcript variants associate with oncogene expression in endometrial cancer.
International journal of molecular medicine 2012;29(6):1127-36.
2012: M Moegele; Stefan Buchholz; S Seitz; Olaf Ortmann
Vaginal estrogen therapy in postmenopausal breast cancer patients treated with aromatase inhibitors.
Archives of gynecology and obstetrics 2012;285(5):1397-402.
2012: Olaf Ortmann; Claus Lattrich
The treatment of climacteric symptoms.
Deutsches Ärzteblatt international 2012;109(17):316-23; quiz 324.
2011: Anja K Wege; Judith Eckl; Wolfgang Ernst; Bernhard Frankenberger; Alexander Kroemer; Daniela N Männel; Olaf Ortmann; Arabel Vollmann-Zwerenz; Gero Brockhoff
Humanized tumor mice--a new model to study and manipulate the immune response in advanced cancer therapy.
International journal of cancer. Journal international du cancer 2011;129(9):2194-206.
2011: Ingolf Juhasz-Böss; Claus Lattrich; Eduard Malik; Olaf Ortmann; Maciej Skrzypczak; Claudia Fischer; Oliver Treeck
Endometrial expression of estrogen receptor β and its splice variants in patients with and without endometriosis.
Archives of gynecology and obstetrics 2011;284(4):885-91.
2011: Simone Diermeier-Daucher; Olaf Ortmann; Stefanie Breindl; Stefan Buchholz; Gero Brockhoff
Modular anti-EGFR and anti-Her2 targeting of SK-BR-3 and BT474 breast cancer cell lines in the presence of ErbB receptor-specific growth factors.
Cytometry. Part A : the journal of the International Society for Analytical Cytology 2011;79(9):684-93.
2011: Olaf Ortmann; Eberhard Windler; Martina Dören
Hormone therapy in perimenopause and postmenopause (HT). Interdisciplinary S3 Guideline, Association of the Scientific Medical Societies in Germany AWMF 015/062-short version.
Archives of gynecology and obstetrics 2011;284(2):343-55.
2011: Martina Haselberger; Anette Springwald; Anna Konwisorz; Claus Lattrich; Regina Goerse; Olaf Ortmann; Oliver Treeck
Silencing of the icb-1 gene inhibits the induction of differentiation-associated genes by vitamin D3 and all-trans retinoic acid in gynecological cancer cells.
International journal of molecular medicine 2011;28(1):121-7.
2011: Claus Lattrich; Julia Lubig; Anette Springwald; Regina Goerse; Olaf Ortmann; Oliver Treeck
Additive effects of trastuzumab and genistein on human breast cancer cells.
Anti-cancer drugs 2011;22(3):253-61.
2010: Anette Springwald; Claus Lattrich; Maciej Skrzypczak; Regina Goerse; Olaf Ortmann; Oliver Treeck
Icb-1 Gene expression is elevated in human endometrial adenocarcinoma and is closely associated with HER2 expression.
Cancer investigation 2010;28(9):904-9.
2010: Anette Springwald; Claus Lattrich; Maciek Skrzypczak; Regina Goerse; Olaf Ortmann; Oliver Treeck
Identification of novel transcript variants of estrogen receptor α, β and progesterone receptor gene in human endometrium.
Endocrine 2010;37(3):415-24.
2010: Ingolf Juhasz-Böss; Antje Hofele; Claus Lattrich; Stefan Buchholz; Olaf Ortmann; Eduard Malik
Matrix metalloproteinase messenger RNA expression in human endometriosis grafts cultured on a chicken chorioallantoic membrane.
Fertility and sterility 2010;94(1):40-5.
2010: Arabel Vollmann-Zwerenz; Simone Diermeier-Daucher; Anja Kathrin Wege; Andrea Sassen; Elisabeth Schmidt-Brücken; Ferdinand Hofstaedter; Olaf Ortmann; Frans Nauwelaers; Gero Brockhoff
Multichromatic phenotyping of HER receptor coexpression in breast tumor tissue samples using flow cytometry--possibilities and limitations.
Cytometry. Part A : the journal of the International Society for Analytical Cytology 2010;77(4):387-98.
2010: Ingolf Juhasz-Böss; Claus Lattrich; Alois Fürst; Eduard Malik; Olaf Ortmann
Severe endometriosis: laparoscopic rectum resection.
Archives of gynecology and obstetrics 2010;281(4):657-62.
2010: Oliver Treeck; Claus Lattrich; Anette Springwald; Olaf Ortmann
Estrogen receptor beta exerts growth-inhibitory effects on human mammary epithelial cells.
Breast cancer research and treatment 2010;120(3):557-65.
2010: Anna Konwisorz; Anette Springwald; Martina Haselberger; Regina Goerse; Olaf Ortmann; Oliver Treeck
Knockdown of ICB-1 gene enhanced estrogen responsiveness of ovarian and breast cancer cells.
Endocrine-related cancer 2010;17(1):147-57.
2010: S Schimanski; Peter J Wild; Oliver Treeck; F Horn; Alexander Sigruener; Christian Rudolph; H Blaszyk; Monika Klinkhammer-Schalke; Olaf Ortmann; Arndt Hartmann; Gerd Schmitz
Expression of the lipid transporters ABCA3 and ABCA1 is diminished in human breast cancer tissue.
Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et métabolisme 2010;42(2):102-9.
2010: Maria Giess; Claus Lattrich; Anette Springwald; Regina Goerse; Olaf Ortmann; Oliver Treeck
GPR30 gene polymorphisms are associated with progesterone receptor status and histopathological characteristics of breast cancer patients.
The Journal of steroid biochemistry and molecular biology 2010;118(1-2):7-12.
2010: Claudia Fischer; Ingolf Juhasz-Boess; Claus Lattrich; Olaf Ortmann; Oliver Treeck
Estrogen receptor beta gene polymorphisms and susceptibility to uterine fibroids.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2010;26(1):4-9.
2009: Stefan Buchholz; Stephan Seitz; Andrew V Schally; Jörg Engel; Ferenc Rick; Luca Szalontay; Florian Hohla; AWTAR KRISHAN; Andrea Papadia; Timo Gaiser; Gero Brockhoff; Olaf Ortmann; Klaus Diedrich; Frank Köster
Triple-negative breast cancers express receptors for luteinizing hormone-releasing hormone (LHRH) and respond to LHRH antagonist cetrorelix with growth inhibition.
International journal of oncology 2009;35(4):789-96.
2009: Stephan Seitz; Andrew V Schally; Andrea Treszl; Andrea Papadia; Ferenc Rick; Luca Szalontay; Karoly Szepeshazi; Olaf Ortmann; Gabor Halmos; Florian Hohla; Stefan Buchholz
Preclinical evaluation of properties of a new targeted cytotoxic somatostatin analog, AN-162 (AEZS-124), and its effects on tumor growth inhibition.
Anti-cancer drugs 2009;20(7):553-8.
2009: Georg Pfeiler; Oliver Treeck; Gitte Wenzel; Regina Goerse; Arndt Hartmann; Gerd Schmitz; Olaf Ortmann
Influence of insulin resistance on adiponectin receptor expression in breast cancer.
Maturitas 2009;63(3):253-6.
2009: Anette Springwald; Claus Lattrich; Stephan Seitz; Olaf Ortmann; Oliver Treeck
Single nucleotide polymorphisms in human gene icb-1 and breast cancer susceptibility.
Cancer investigation 2009;27(6):669-72.
2009: Frank Köster; Jörg Engel; Andrew V Schally; Arnd Hönig; Andreas Schröer; Stephan Seitz; Florian Hohla; Olaf Ortmann; Klaus Diedrich; Stefan Buchholz
Triple-negative breast cancers express receptors for growth hormone-releasing hormone (GHRH) and respond to GHRH antagonists with growth inhibition.
Breast cancer research and treatment 2009;116(2):273-9.
2009: Oliver Treeck; Esma Elemenler; Christina Kriener; Felicitas Horn; Anette Springwald; Arndt Hartmann; Olaf Ortmann
Polymorphisms in the promoter region of ESR2 gene and breast cancer susceptibility.
The Journal of steroid biochemistry and molecular biology 2009;114(3-5):207-11.
2009: Georg Pfeiler; Oliver Treeck; Gitte Wenzel; Regina Goerse; Arndt Hartmann; Gerd Schmitz; Olaf Ortmann
Correlation of body mass index and menopausal status with the intra-tumoral estrogen system in invasive breast cancer.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2009;25(3):183-7.
2009: Olaf Ortmann; Tanja Cufer; J Michael Dixon; Nicolai Maass; Paolo Marchetti; Olivia Pagani; Paolo Pronzato; Vladimir Semiglazov; Jean-Philippe Spano; Eduard Vrdoljak; Hans Wildiers
Adjuvant endocrine therapy for perimenopausal women with early breast cancer.
Breast (Edinburgh, Scotland) 2009;18(1):2-7.
2009: Andrea Sassen; Simone Diermeier-Daucher; Manuela Sieben; Olaf Ortmann; Ferdinand Hofstaedter; Stephan Schwarz; Gero Brockhoff
Presence of HER4 associates with increased sensitivity to Herceptin in patients with metastatic breast cancer.
Breast cancer research : BCR 2009;11(4):R50.
2008: Oliver Treeck; Claus Lattrich; I Juhasz-Boess; Stefan Buchholz; Georg Pfeiler; Olaf Ortmann
Adiponectin differentially affects gene expression in human mammary epithelial and breast cancer cells.
British journal of cancer 2008;99(8):1246-50.
2008: Oliver Treeck; Ingolf Juhasz-Boess; Claus Lattrich; Felicitas Horn; Regina Goerse; Olaf Ortmann
Effects of exon-deleted estrogen receptor beta transcript variants on growth, apoptosis and gene expression of human breast cancer cell lines.
Breast cancer research and treatment 2008;110(3):507-20.
2008: Stefan Buchholz; Felicitas Horn; Olaf Ortmann
[Hormone replacement therapy in peri- and postmenopausal women and breast cancer risk].
Therapeutische Umschau. Revue thérapeutique 2008;65(4):231-4.
2008: Claus Lattrich; Ingolf Juhasz-Boess; Olaf Ortmann; Oliver Treeck
Detection of an elevated HER2 expression in MCF-7 breast cancer cells overexpressing estrogen receptor beta1.
Oncology reports 2008;19(3):811-7.
2008: Georg H Pfeiler; Christa Buechler; Markus Neumeier; Andreas Schäffler; Gerd Schmitz; Olaf Ortmann; Oliver Treeck
Adiponectin effects on human breast cancer cells are dependent on 17-beta estradiol.
Oncology reports 2008;19(3):787-93.
2008: Julia Bollmann; Olaf Ortmann; Oliver Treeck
Expression of differentiation-associated gene icb-1 is estrogen-responsive in ovarian and breast cancer cell lines.
The Journal of steroid biochemistry and molecular biology 2008;109(1-2):16-21.
2007: Georg Pfeiler; Felicitas Horn; Claus Lattrich; Stefanie Klappenberger; Olaf Ortmann; Oliver Treeck
Apoptotic effects of signal transduction inhibitors on human tumor cells with different PTEN expression.
Oncology reports 2007;18(5):1305-9.
2007: Oliver Treeck; Georg Pfeiler; Diana Mitter; Claus Lattrich; Gerhard Piendl; Olaf Ortmann
Estrogen receptor {beta}1 exerts antitumoral effects on SK-OV-3 ovarian cancer cells.
The Journal of endocrinology 2007;193(3):421-33.
2007: Christian Rudolph; Alexander Sigruener; A Hartmann; E Orso; Monika Bals-Pratsch; Wolfram Gronwald; B Seifert; Hans Robert Kalbitzer; I Verdorfer; Craig Marc Luetjens; Olaf Ortmann; Stefan R Bornstein; Gerd Schmitz
ApoA-I-binding protein (AI-BP) and its homologues hYjeF_N2 and hYjeF_N3 comprise the YjeF_N domain protein family in humans with a role in spermiogenesis and oogenesis.
Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et métabolisme 2007;39(5):322-35.
2007: Jürgen M Weiss; Heike Hüller; Stephan Polack; Michael Friedrich; Klaus Diedrich; Oliver Treeck; Georg Pfeiler; Olaf Ortmann
Estradiol differentially modulates the exocytotic proteins SNAP-25 and munc-18 in pituitary gonadotrophs.
Journal of molecular endocrinology 2007;38(1-2):305-14.
2007: Jürgen M Weiss; Stanko S Stojilkovic; Klaus Diedrich; Olaf Ortmann
Effects of testosterone on hormonal content and calcium-dependent basal secretion in female rat pituitary cells.
The Journal of steroid biochemistry and molecular biology 2007;103(2):149-57.
2007: Oliver Treeck; Georg Pfeiler; Felicitas Horn; Bettina Federhofer; Helena Houlihan; Angelika Vollmer; Olaf Ortmann
Novel estrogen receptor beta transcript variants identified in human breast cancer cells affect cell growth and apoptosis of COS-1 cells.
Molecular and cellular endocrinology 2007;264(1-2):50-60.
2006: Jürgen M Weiss; YX Xia; Stephan Polack; Klaus Diedrich; Olaf Ortmann
Short-term effects of IGF-I and estradiol on LH secretion from female rat gonadotrophs.
Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society 2006;16(5-6):357-64.
2006: Jürgen M Weiss; Stephan J König; Stephan Polack; Günter Emons; Klaus-Dieter Schulz; Klaus Diedrich; Olaf Ortmann
Actions of gonadotropin-releasing hormone analogues in pituitary gonadotrophs and their modulation by ovarian steroids.
The Journal of steroid biochemistry and molecular biology 2006;101(2-3):118-26.
2006: Jürgen M Weiss; Stephan Polack; Oliver Treeck; Klaus Diedrich; Olaf Ortmann
Regulation of GnRH I receptor gene expression by the GnRH agonist triptorelin, estradiol, and progesterone in the gonadotroph-derived cell line alphaT3-1.
Endocrine 2006;30(1):139-44.
2006: Oliver Treeck; Birgit Wackwitz; Ulrike Haus; Olaf Ortmann
Effects of a combined treatment with mTOR inhibitor RAD001 and tamoxifen in vitro on growth and apoptosis of human cancer cells.
Gynecologic oncology 2006;102(2):292-9.
2006: Oliver Treeck; Chandana Haldar; Olaf Ortmann
Antiestrogens modulate MT1 melatonin receptor expression in breast and ovarian cancer cell lines.
Oncology reports 2006;15(1):231-5.
2005: Oliver Treeck; Ina Kindzorra; Katharina Pauser; Linda Treeck; Olaf Ortmann
Expression of icb-1 gene is interferon-gamma inducible in breast and ovarian cancer cell lines and affects the IFN gamma-response of SK-OV-3 ovarian cancer cells.
Cytokine 2005;32(3-4):137-42.
2005: D Mitter; Olaf Ortmann; Oliver Treeck
[Estrogen receptor Beta isoforms -- functions and clinical relevance in breast cancer].
Zentralblatt für Gynäkologie 2005;127(4):228-34.
2005: Rong Zhou; Oliver Treeck; Felicitas Horn; Olaf Ortmann
Effects of prolonged tamoxifen treatment on receptor expression and apoptosis of ovarian cancer cells.
Gynecologic oncology 2005;96(3):678-83.
2004: Oliver Treeck; Rong Zhou; Klaus Diedrich; Olaf Ortmann
Tamoxifen long-term treatment in vitro alters the apoptotic response of MCF-7 breast cancer cells.
Anti-cancer drugs 2004;15(8):787-93.
2004: Annika K Schröder; Sascha Tauchert; Olaf Ortmann; Klaus Diedrich; Jürgen M Weiss
Insulin resistance in patients with polycystic ovary syndrome.
Annals of medicine 2004;36(6):426-39.
2004: Danqing Chen; Wolfgang Hackl; Olaf Ortmann; Oliver Treeck
Effects of a combination of exemestane and paclitaxel on human tumor cells in vitro.
Anti-cancer drugs 2004;15(1):55-61.
2003: Annika K Schröder; Sascha Tauchert; Olaf Ortmann; Klaus Diedrich; Jürgen M Weiss
[Insulin resistance in polycystic ovary syndrome].
Wiener klinische Wochenschrift 2003;115(23):812-21.
2003: Sascha Tauchert; Annika K Schröder; Olaf Ortmann; Klaus Diedrich; Jürgen M Weiss
[The use of oral antidiabetic drugs in the treatment of polycystic ovary syndrome].
Zentralblatt für Gynäkologie 2003;125(12):507-14.
2003: Jürgen M Weiss; Stephan Polack; Klaus Diedrich; Olaf Ortmann
Effects of insulin on luteinizing hormone and prolactin secretion and calcium signaling in female rat pituitary cells.
Archives of gynecology and obstetrics 2003;269(1):45-50.
2003: Oliver Treeck; Angela Weber; Michaela Boester; Simone Porz; Nicola Frey; Klaus Diedrich; Olaf Ortmann
H-ras dependent estrogenic effects of epidermal growth factor in the estrogen-independent breast cancer cell line MDA-MB-231.
Breast cancer research and treatment 2003;80(2):155-62.
2003: Jürgen M Weiss; B Krautmacher; Stephan Polack; Klaus Diedrich; Olaf Ortmann
Actions of GnRH antagonists on IGF-II, IGF-binding protein-2 and pregnancy-associated plasma protein-A in human granulosa-lutein cells.
European journal of endocrinology / European Federation of Endocrine Societies 2003;149(1):31-7.
2003: Jürgen M Weiss; M Chi; Stephan Polack; Klaus Diedrich; Olaf Ortmann
Interactions of insulin-like growth factors and estradiol in rat pituitary gonadotrophs.
Growth factors (Chur, Switzerland) 2003;21(2):61-9.
2003: Oliver Treeck; Klaus Diedrich; Olaf Ortmann
The activation of an extracellular signal-regulated kinase by oestradiol interferes with the effects of trastuzumab on HER2 signalling in endometrial adenocarcinoma cell lines.
European journal of cancer (Oxford, England : 1990) 2003;39(9):1302-9.
2003: Oliver Treeck; N Bohnert; C Siggel; Klaus Diedrich; Olaf Ortmann
[Impact of the cellular estradiol response on the therapeutic inhibition of growth factor signaling].
Zentralblatt für Gynäkologie 2003;125(2):53-6.
2003: Jürgen M Weiss; Michael Ludwig; Olaf Ortmann; Klaus Diedrich
GnRH antagonists in the treatment of infertility.
Annals of medicine 2003;35(7):512-22.
2002: Jörg Engel; Ricardo Felberbaum; Wiebke Eilers; Stephan Polack; Olaf Ortmann; Klaus Diedrich
Clomiphene-induced LH surges and cetrorelix.
Reproductive biomedicine online 2002;5(2):109-11.
2002: Oliver Treeck; Tomoyuki Odani; Norio Itoh; Harue Imai; Sayaka Fujita; Junya Kohroki; Tsuyoshi Nakanishi; Klaus Diedrich; Olaf Ortmann; Keiichi Tanaka; Günter Vollmer
Detection of increased icb-1 transcript levels in maturing HL-60 cells: a novel marker for granulocytic and monocytic in vitro differentiation.
Leukemia research 2002;26(8):765-9.
2002: Olaf Ortmann; Jürgen M Weiss; Klaus Diedrich
Gonadotrophin-releasing hormone (GnRH) and GnRH agonists: mechanisms of action.
Reproductive biomedicine online 2002;5 Suppl 1():1-7.
2002: Michael Ludwig; Carola Albano; F Olivennes; Ricardo Felberbaum; Johan Smitz; Olaf Ortmann; Peter Romeis; Georg Niebch; Birgit Pechstein; H Riethmüller-Winzen; Paul Devroey; Klaus Diedrich
Plasma and follicular fluid concentrations of LHRH antagonist cetrorelix (Cetrotide) in controlled ovarian stimulation for IVF.
Archives of gynecology and obstetrics 2002;266(1):12-7.
2001: Jürgen M Weiss; Kerstin M Oltmanns; E M Gürke; Stephan Polack; F Eick; Ricardo Felberbaum; Klaus Diedrich; Olaf Ortmann
Actions of gonadotropin-releasing hormone antagonists on steroidogenesis in human granulosa lutein cells.
European journal of endocrinology / European Federation of Endocrine Societies 2001;144(6):677-85.
2001: Olaf Ortmann; Jürgen M Weiss; Klaus Diedrich
Embryo implantation and GnRH antagonists: ovarian actions of GnRH antagonists.
Human reproduction (Oxford, England) 2001;16(4):608-11.
2001: YX Xia; Jürgen M Weiss; Stephan Polack; Klaus Diedrich; Olaf Ortmann
Interactions of insulin-like growth factor-I, insulin and estradiol with GnRH-stimulated luteinizing hormone release from female rat gonadotrophs.
European journal of endocrinology / European Federation of Endocrine Societies 2001;144(1):73-9.
2000: L Cem Demirel; Jürgen M Weiss; Stephan Polack; Cihat Unlü; Klaus Diedrich; Olaf Ortmann
Effect of the gonadotropin-releasing hormone antagonist ganirelix on cyclic adenosine monophosphate accumulation of human granulosa-lutein cells.
Fertility and sterility 2000;74(5):1001-7.
2000: Günter Emons; S Weiss; Olaf Ortmann; Carsten Gründker; Klaus-Dieter Schulz
LHRH might act as a negative autocrine regulator of proliferation of human ovarian cancer.
European journal of endocrinology / European Federation of Endocrine Societies 2000;142(6):665-70.
2000: Askan Schultze-Mosgau; AC Katzur; K K Arora; Stanko S Stojilkovic; Klaus Diedrich; Olaf Ortmann
Characterization of calcium-mobilizing, purinergic P2Y(2) receptors in human ovarian cancer cells.
Molecular human reproduction 2000;6(5):435-42.
2000: Michael Ludwig; H H Klein; Klaus Diedrich; Olaf Ortmann
Serum leptin concentrations throughout the menstrual cycle.
Archives of gynecology and obstetrics 2000;263(3):99-101.
1999: AC Katzur; Taka-aki Koshimizu; M Tomić; Askan Schultze-Mosgau; Olaf Ortmann; Stanko S Stojilkovic
Expression and responsiveness of P2Y2 receptors in human endometrial cancer cell lines.
The Journal of clinical endocrinology and metabolism 1999;84(11):4085-91.
1999: Monika Bals-Pratsch; Safaa Al-Hasani; Beate Schöpper; C Diedrich; A S Hoepfner; J Weiss; Wolfgang Küpker; Ricardo Felberbaum; Olaf Ortmann; Otmar Bauer; Klaus Diedrich
A simple, inexpensive and effective artificial cycle with exogenous transdermal oestradiol and vaginal progesterone for the transfer of cryopreserved pronucleated human oocytes in women with normal cycles.
Human reproduction (Oxford, England) 1999;14 Suppl 1():222-30.
1999: Olaf Ortmann; Klaus Diedrich
Pituitary and extrapituitary actions of gonadotrophin-releasing hormone and its analogues.
Human reproduction (Oxford, England) 1999;14 Suppl 1():194-206.
1999: Olaf Ortmann; W Asmus; Klaus Diedrich; Klaus-Dieter Schulz; G Emons
Interactions of ovarian steroids with pituitary adenylate cyclase-activating polypeptide and GnRH in anterior pituitary cells.
European journal of endocrinology / European Federation of Endocrine Societies 1999;140(3):207-14.
1999: Michael Ludwig; Dominique Finas; Safaa Al-Hasani; Klaus Diedrich; Olaf Ortmann
Oocyte quality and treatment outcome in intracytoplasmic sperm injection cycles of polycystic ovarian syndrome patients.
Human reproduction (Oxford, England) 1999;14(2):354-8.
1998: Olaf Ortmann; Melanija Tomic; J M Weiss; Klaus Diedrich; Stanko S Stojilkovic
Dual action of androgen on calcium signaling and luteinizing hormone secretion in pituitary gonadotrophs.
Cell calcium 1998;24(3):223-31.
1998: Günter Emons; V Müller; Olaf Ortmann; Klaus-Dieter Schulz
Effects of LHRH-analogues on mitogenic signal transduction in cancer cells.
The Journal of steroid biochemistry and molecular biology 1998;65(1-6):199-206.
1997: Günter Emons; Olaf Ortmann; Klaus-Dieter Schulz; Andrew V Schally
Growth-inhibitory actions of analogues of Luteinizing Hormone Releasing Hormone on tumor cells.
Trends in endocrinology and metabolism: TEM 1997;8(9):355-62.
1996: Olaf Ortmann; B Ansari-Pirsarai; P Bloh; Klaus-Dieter Schulz; G Emons
Modulatory actions of progesterone on gonadotropin-releasing hormone-induced arachidonic acid liberation from perifused rat pituitary cells.
European journal of endocrinology / European Federation of Endocrine Societies 1996;135(5):626-30.
1996: G Emons; Olaf Ortmann; H M Teichert; H Fassl; U Löhrs; S Kullander; A Kauppila; D Ayalon; Andrew V Schally; F Oberheuser
Luteinizing hormone-releasing hormone agonist triptorelin in combination with cytotoxic chemotherapy in patients with advanced ovarian carcinoma. A prospective double blind randomized trial. Decapeptyl Ovarian Cancer Study Group.
Cancer 1996;78(7):1452-60.
1995: Olaf Ortmann; M Bakhit; P Bloh; Klaus-Dieter Schulz; G Emons
Ovarian steroids modulate gonadotropin-releasing hormone-induced biphasic luteinizing hormone secretory responses and inositol phosphate accumulation in rat anterior pituitary cells and alpha T3-1 gonadotrophs.
The Journal of steroid biochemistry and molecular biology 1995;54(3-4):101-9.
1995: G Irmer; C Bürger; Rolf Mueller; Olaf Ortmann; U Peter; S S Kakar; Jimmy Neill; Klaus-Dieter Schulz; G Emons
Expression of the messenger RNAs for luteinizing hormone-releasing hormone (LHRH) and its receptor in human ovarian epithelial carcinoma.
Cancer research 1995;55(4):817-22.
1994: G Irmer; C Bürger; Olaf Ortmann; Klaus-Dieter Schulz; G Emons
Expression of luteinizing hormone releasing hormone and its mRNA in human endometrial cancer cell lines.
The Journal of clinical endocrinology and metabolism 1994;79(3):916-9.
1994: Olaf Ortmann; Kevin J Catt; Klaus-Dieter Schulz; G Emons
Modulatory action of progesterone and progesterone antagonists on hypothalamic-pituitary function.
Human reproduction (Oxford, England) 1994;9 Suppl 1():53-62.
1994: Olaf Ortmann; F Merelli; Stanko S Stojilkovic; Klaus-Dieter Schulz; G Emons; Kevin J Catt
Modulation of calcium signaling and LH secretion by progesterone in pituitary gonadotrophs and clonal pituitary cells.
The Journal of steroid biochemistry and molecular biology 1994;48(1):47-54.
1993: G Emons; B Schröder; Olaf Ortmann; S Westphalen; Klaus-Dieter Schulz; Andrew V Schally
High affinity binding and direct antiproliferative effects of luteinizing hormone-releasing hormone analogs in human endometrial cancer cell lines.
The Journal of clinical endocrinology and metabolism 1993;77(6):1458-64.
1993: Olaf Ortmann; D Wassmann; Stanko S Stojilkovic; Kevin J Catt; Klaus-Dieter Schulz; G Emons
Ovarian steroids modulate endothelin-induced luteinizing hormone secretion from cultured rat pituitary cells.
Endocrinology 1993;133(6):2632-8.
1993: G Emons; Olaf Ortmann; M Becker; G Irmer; B Springer; R Laun; F Hölzel; Klaus-Dieter Schulz; Andrew V Schally
High affinity binding and direct antiproliferative effects of LHRH analogues in human ovarian cancer cell lines.
Cancer research 1993;53(22):5439-46.
1993: G Emons; Olaf Ortmann; Klaus-Dieter Schulz
[The role of endocrine therapy in ovarian cancer].
Der Gynäkologe 1993;26(2):123-30.
1992: Olaf Ortmann; B Tilse; G Emons
Modulatory actions of estradiol and progesterone on phorbol ester-stimulated LH secretion from cultured rat pituitary cells.
The Journal of steroid biochemistry and molecular biology 1992;43(7):619-27.
1992: Olaf Ortmann; Stanko S Stojilkovic; Mirjana Cesnjaj; G Emons; Kevin J Catt
Modulation of cytoplasmic calcium signaling in rat pituitary gonadotrophs by estradiol and progesterone.
Endocrinology 1992;131(3):1565-7.
1992: G Emons; J Nill; Rita Sturm; Olaf Ortmann
Effects of progesterone on gonadotropin-releasing hormone receptor concentration in cultured estrogen-primed female rat pituitary cells.
The Journal of steroid biochemistry and molecular biology 1992;42(8):831-9.
1992: G Emons; Olaf Ortmann; G S Pahwa; U Löhrs; Tilman Wetterling; Horst Dilling; F Oberheuser; R Knuppen
[In vivo and in vitro effects of GnRH analogs on ovarian Leydig cell tumor].
Geburtshilfe und Frauenheilkunde 1992;52(8):487-93.
1992: Olaf Ortmann; K Johannsen; R Knuppen; G Emons
Acute effects of oestradiol and progesterone on melittin- and gonadotrophin-releasing hormone-induced LH secretion.
The Journal of endocrinology 1992;132(2):251-9.
1992: G Emons; Olaf Ortmann; G S Pahwa; F Oberheuser; Klaus-Dieter Schulz
LH-RH agonists in the treatment of ovarian cancer.
Recent results in cancer research. Fortschritte der Krebsforschung. Progrès dans les recherches sur le cancer 1992;124():55-68.
1992: G Emons; Olaf Ortmann; G S Pahwa; R Hackenberg; F Oberheuser; Klaus-Dieter Schulz
Intracellular actions of gonadotropic and peptide hormones and the therapeutic value of GnRH-agonists in ovarian cancer.
Acta obstetricia et gynecologica Scandinavica. Supplement 1992;155():31-8.
1990: G Emons; G S Pahwa; Olaf Ortmann; R Knuppen; F Oberheuser; Klaus-Dieter Schulz
LHRH-receptors and LHRH-agonist treatment in ovarian cancer: an overview.
The Journal of steroid biochemistry and molecular biology 1990;37(6):1003-6.
1990: Olaf Ortmann; K Hansemann; R Knuppen; G Emons
Modulatory actions of the new antiprogestins ZK 98.299 and ZK 98.734 and of RU 486 on luteinizing hormone secretion and progesterone effects in pituitary gonadotrophs.
Journal of steroid biochemistry 1990;36(5):431-7.
1990: Olaf Ortmann; Rita Sturm; R Knuppen; G Emons
Weak estrogenic activity of phenol red in the pituitary gonadotroph: re-evaluation of estrogen and antiestrogen effects.
Journal of steroid biochemistry 1990;35(1):17-22.
1989: G Emons; E U Frevert; Olaf Ortmann; U Fingscheidt; Rita Sturm; L Kiesel; R Knuppen
Studies on the subcellular mechanisms mediating the negative estradiol effect on GnRH-induced LH-release by rat pituitary cells in culture.
Acta endocrinologica 1989;121(3):350-60.
1989: Olaf Ortmann; H Wiese; R Knuppen; G Emons
Acute facilitory action of progesterone on gonadotropin secretion of perifused rat pituitary cells.
Acta endocrinologica 1989;121(3):426-34.
1989: Olaf Ortmann; G Emons; R Knuppen; Kevin J Catt
Inhibitory effects of the antiprogestin, RU 486, on progesterone actions and luteinizing hormone secretion in pituitary gonadotrophs.
Journal of steroid biochemistry 1989;32(2):291-7.
1988: G Emons; H G Hoffmann; C Brack; Olaf Ortmann; Rita Sturm; P Ball; R Knuppen
Modulation of gonadotropin-releasing hormone receptor concentration in cultured female rat pituitary cells by estradiol treatment.
Journal of steroid biochemistry 1988;31(5):751-6.
1988: Olaf Ortmann; G Emons; R Knuppen; Kevin J Catt
Inhibitory actions of keoxifene on luteinizing hormone secretion in pituitary gonadotrophs.
Endocrinology 1988;123(2):962-8.
1986: G Emons; Olaf Ortmann; U Fingscheidt; P Ball; R Knuppen
Short-term effects of oestradiol and 4-hydroxyoestradiol on gonadotrophin-releasing hormone induced luteinizing hormone secretion by rat pituitary cells in culture.
Acta endocrinologica 1986;111(3):312-20.
1986: G Emons; Olaf Ortmann; S Thiessen; R Knuppen
Effects of estradiol and some antiestrogens (clomiphene, tamoxifen, and hydroxytamoxifen) on luteinizing hormone secretion by rat pituitary cells in culture.
Archives of gynecology 1986;237(4):199-211.