Search Results - "WRENZYCKI, Christine"

The role of sulfated steroid hormones in reproductive processes by Geyer, Joachim, Bakhaus, Katharina, Bernhardt, Rita, Blaschka, Carina, Dezhkam, Yaser, Fietz, Daniela, Grosser, Gary, Hartmann, Katja, Hartmann, Michaela F., Neunzig, Jens, Papadopoulos, Dimitrios, Sánchez-Guijo, Alberto, Scheiner-Bobis, Georgios, Schuler, Gerhard, Shihan, Mazen, Wrenzycki, Christine, Wudy, Stefan A., Bergmann, Martin

“…Sulfated steroid hormones, such as dehydroepiandrosterone sulfate or estrone-3-sulfate, have long been regarded as inactive metabolites as they cannot activate…”
Get full text

Seminal plasma modulates the immune-cytokine network in the porcine uterine tissue and pre-ovulatory follicles by Waberski, Dagmar, Schäfer, Jana, Bölling, Alexandra, Scheld, Manon, Henning, Heiko, Hambruch, Nina, Schuberth, Hans-Joachim, Pfarrer, Christiane, Wrenzycki, Christine, Hunter, Ronald H F

“…Evidence is emerging that the interaction between male seminal fluid and female tissues promotes fertility, pregnancy, and health of offspring. This includes…”
Get full text

Brilliant Cresyl Blue Negative Oocytes Show a Reduced Competence for Embryo Development after In Vitro Fertilisation with Sperm Exposed to Oxidative Stress by Bittner-Schwerda, Lilli, Herrera, Carolina, Wyck, Sarah, Malama, Eleni, Wrenzycki, Christine, Bollwein, Heinrich

“…The extent of oxidative damage transferred by the damaged sperm to the progeny is likely to be limited by the oocyte’s repair and antioxidative capacity. We…”
Get full text

Effects of opening the incubator on morphokinetics in mouse embryos by Nguyen, Quyen, Sommer, Sophia, Greene, Brandon, Wrenzycki, Christine, Wagner, Uwe, Ziller, Volker

“…To evaluate the effects of incubator door openings by the sensitive measurement of morphokinetics using time-lapse imaging. To mimic lab practice and to…”
Get full text

Intrafollicular Oocyte Transfer (IFOT) of Abattoir-Derived and In Vitro-Matured Oocytes Results in Viable Blastocysts and Birth of Healthy Calves by Kassens, Ana, Held, Eva, Salilew-Wondim, Dessie, Sieme, Harald, Wrenzycki, Christine, Tesfaye, Dawit, Schellander, Karl, Hoelker, Michael

“…There are still major differences between in vitro production (IVP)-derived and in vivo-derived bovine blastocysts. Therefore, intrafollicular oocyte transfer…”
Get full text

Effect of IGFBP-4 during In Vitro Maturation on Developmental Competence of Bovine Cumulus Oocyte Complexes by Camacho de Gutiérrez, Adriana Raquel, Calisici, Oguz, Wrenzycki, Christine, Gutiérrez-Añez, Juan Carlos, Hoeflich, Christine, Hoeflich, Andreas, Bajcsy, Árpád Csaba, Schmicke, Marion

“…Insulin-like growth factors (IGFs) are essential for oocyte maturation. Their bioavailability is regulated by their respective binding proteins (IGFBPs) and…”
Get full text

Chronic Effects of Fusarium Mycotoxins in Rations with or without Increased Concentrate Proportion on the Insulin Sensitivity in Lactating Dairy Cows by Kinoshita, Asako, Keese, Christina, Meyer, Ulrich, Starke, Alexander, Wrenzycki, Christine, Dänicke, Sven, Rehage, Jürgen

“…The objective of this study was to investigate the effect of long-term exposure to a toxin deoxynivalenol (DON, 5 mg/kg DM) on the energy metabolism in…”
Get full text

Cellular and Molecular Deviations in Bovine In Vitro-Produced Embryos Are Related to the Large Offspring Syndrome by LAZZARI, Giovanna, WRENZYCKI, Christine, HERRMANN, Doris, DUCHI, Roberto, KRUIP, Theo, NIEMANN, Heiner, GALLI, Cesare

“…The large offspring syndrome (LOS) is observed in bovine and ovine offspring following transfer of in vitro-produced (IVP) or cloned embryos and is…”
Get full text

Profile of bile acid subspecies is similar in blood and follicular fluid of cattle by Blaschka, Carina, Sánchez‐Guijo, Alberto, Wudy, Stefan A., Wrenzycki, Christine

“…The composition of follicular fluid (FF) has an impact on the developmental capacity of the oocyte and the resulting embryo. FF is composed of blood plasma…”
Get full text

Interaction of sperm cells with the female reproductive tract in cattle: Focus on neutrophil extracellular trap formation by Wrenzycki, Christine

“…After insemination of cows, either naturally or artificially, the deposition of semen into the vagina or uterus results in an immune reaction which is based on…”
Get full text

Elevated CCL2 causes Leydig cell malfunction in metabolic syndrome by Jiang, Qingkui, Maresch, Constanze C, Petry, Sebastian Friedrich, Paradowska-Dogan, Agnieszka, Bhushan, Sudhanshu, Chang, Yongsheng, Wrenzycki, Christine, Schuppe, Hans-Christian, Houska, Petr, Hartmann, Michaela F, Wudy, Stefan A, Shi, Lanbo, Linn, Thomas

“…Metabolic syndrome (MetS), which is associated with chronic inflammation, predisposes males to hypogonadism and subfertility. The underlying mechanism of these…”
Get full text

DNA methylation in the IGF2 intragenic DMR is re-established in a sex-specific manner in bovine blastocysts after somatic cloning by Gebert, Claudia, Wrenzycki, Christine, Herrmann, Doris, Gröger, Daniela, Thiel, Janina, Reinhardt, Richard, Lehrach, Hans, Hajkova, Petra, Lucas-Hahn, Andrea, Carnwath, Joseph W., Niemann, Heiner

“…The recent identification of an intragenic differentially methylated region (DMR) within the last exon of the bovine Insulin-like growth factor 2 ( IGF2) gene…”
Get full text

Effects of insulin-like growth factor-1 on cellular and molecular characteristics of bovine blastocysts produced in vitro by Block, Jeremy, Wrenzycki, Christine, Niemann, Heiner, Herrmann, Doris, Hansen, Peter J.

“…Addition of insulin‐like growth factor‐1 (IGF‐1) to culture medium increases the proportion of bovine embryos that develop to the blastocyst stage and…”
Get full text

Parameters to identify good quality oocytes and embryos in cattle by Wrenzycki, Christine

“…Oocyte/embryo selection methodologies are either invasive or noninvasive and can be applied at various stages of development from the oocyte to cleaved embryos…”
Get more information

Evidence for conserved DNA and histone H3 methylation reprogramming in mouse, bovine and rabbit zygotes by Lepikhov, Konstantin, Zakhartchenko, Valeri, Hao, Ru, Yang, Feikun, Wrenzycki, Christine, Niemann, Heiner, Wolf, Eckhard, Walter, Joern

“…In mammals the parental genomes are epigenetically reprogrammed after fertilization. This reprogramming includes a rapid demethylation of the paternal…”
Get full text

Epigenetic reprogramming in early embryonic development: effects of in-vitro production and somatic nuclear transfer by Wrenzycki, Christine, Niemann, Heiner

“…A considerable proportion of offspring, in particular in ruminants and mice, born from nuclear transfer (NT)-derived and in-vitro-produced (IVP) embryos is…”
Get full text

Effects of follicle size and stages of maturation on mRNA expression in bovine in vitro matured oocytes by Racedo, Silvia E., Wrenzycki, Christine, Herrmann, Doris, Salamone, D., Niemann, Heiner

“…Transcription in bovine oocytes: The goal of this study was to unravel the dynamics of transcripts thought to be critically involved in oocyte maturation. The…”
Get full text

Gene expression analysis and in vitro production procedures for bovine preimplantation embryos: Past highlights, present concepts and future prospects by Wrenzycki, Christine

“…Contents Over the past decades in vitro production (IVP) of bovine embryos has been significantly improved and in particular bovine IVP is now widely applied…”
Get full text

Messenger RNA expression patterns of histone-associated genes in bovine preimplantation embryos derived from different origins by Nowak-Imialek, Monika, Wrenzycki, Christine, Herrmann, Doris, Lucas-Hahn, Andrea, Lagutina, Irina, Lemme, Erika, Lazzari, Giovanna, Galli, Cesare, Niemann, Heiner

“…Histone modification genes in bovine embryos: The mRNA expression pattern of histone‐related genes was determined in bovine oocytes and embryos. We compared…”
Get full text

Glucose transporter expression is developmentally regulated in in vitro derived bovine preimplantation embryos by Augustin, Robert, Pocar, Paola, Navarrete-Santos, Anne, Wrenzycki, Christine, Gandolfi, Fulvio, Niemann, Heiner, Fischer, Bernd

“…Glucose is readily been taken up and utilized by preimplantation embryos from different species. However, a comprehensive analysis of the glucose transporter…”
Get full text