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  1. Content type: Research

    Female opossums are induced into estrus by direct exposure to a non-volatile pheromone in male scentmarks. Juvenile females develop this responsiveness by 150 days of age (days), and earlier (130 days) if expo...

    Authors: John D Harder and Leslie M Jackson

    Citation: Reproductive Biology and Endocrinology 2003 1:21

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  2. Content type: Research

    We recently reported that immature porcine Leydig cells express both somatostatin (SRIF) and SRIF receptor type-2 (sst-2) transcripts. The present study was therefore undertaken to assess whether SRIF might ex...

    Authors: Joanna Fombonne, Zsolt Csaba, Ysander von Boxberg, Amandine Valayer, Catherine Rey, Mohamed Benahmed, Pascal Dournaud and Slavica Krantic

    Citation: Reproductive Biology and Endocrinology 2003 1:19

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  3. Content type: Research

    A characterization of the Amphibian Bufo arenarum oocyte envelope is presented. It was made in different functional conditions of the oocyte: 1) when it has been released into the coelomic cavity during ovulation...

    Authors: Gustavo A Barisone, Isabel E Albertali, Mercedes Sánchez and Marcelo O Cabada

    Citation: Reproductive Biology and Endocrinology 2003 1:18

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  4. Content type: Research

    The microvasculature of the corpus luteum (CL), which comprises greater than 50% of the total number of cells in the CL, is thought to be the first structure to undergo degeneration via apoptosis during luteol...

    Authors: James K Pru, Maureen P Lynch, John S Davis and Bo R Rueda

    Citation: Reproductive Biology and Endocrinology 2003 1:17

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  5. Content type: Research

    Substantially less development to the blastocyst stage occurs in vitro than in vivo and this may be due to deficiencies in oocyte competence. Although a large proportion of bovine oocytes undergo spontaneous n...

    Authors: Michele D Calder, Anita N Caveney, Lawrence C Smith and Andrew J Watson

    Citation: Reproductive Biology and Endocrinology 2003 1:14

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  6. Content type: Research

    Estrogens play an important role in the regulation of placental function, and 17-beta-estradiol (E2) production rises eighty fold during human pregnancy. Although term placenta has been found to specifically b...

    Authors: Antonin Bukovsky, Maria Cekanova, Michael R Caudle, Jay Wimalasena, James S Foster, Donald C Henley and Robert F Elder

    Citation: Reproductive Biology and Endocrinology 2003 1:13

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  7. Content type: Research

    Prolactin (PRL) exerts pleiotropic physiological effects in various cells and tissues, and is mainly considered as a regulator of reproduction and cell growth. Null mutation of the PRL receptor (R) gene leads ...

    Authors: Isabelle Grosdemouge, Anne Bachelot, Aurélie Lucas, Nathalie Baran, Paul A Kelly and Nadine Binart

    Citation: Reproductive Biology and Endocrinology 2003 1:12

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  8. Content type: Research

    For the extrapolation of data obtained from experimental animals to the human situation, it is important to know the similarities and differences between human and animal species. Some important characteristic...

    Authors: S Batra, C Iosif, J Al-Hijji and I Larsson

    Citation: Reproductive Biology and Endocrinology 2003 1:10

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  9. Content type: Research

    In the mammalian ovary, great interest in the expression and function of the bone morphogenetic protein (BMP) family has been recently generated from evidence of their critical role in determining folliculogen...

    Authors: Gregory F Erickson and Shunichi Shimasaki

    Citation: Reproductive Biology and Endocrinology 2003 1:9

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  10. Content type: Research

    There is now considerable evidence for the involvement of K+ channels in nitric oxide (NO) induced relaxation of smooth muscles including the myometrium. In order to assess whether apamin-sensitive K+ channels pl...

    Authors: Beata Modzelewska, Anna Kostrzewska, Marek Sipowicz, Tomasz Kleszczewski and Satish Batra

    Citation: Reproductive Biology and Endocrinology 2003 1:8

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  11. Content type: Research

    The progesterone receptor (PR) and androgen receptor (AR) belong to the nuclear receptor superfamily. Two isoforms of PR (A and B) have been identified with different functions. The expression of AR, each isof...

    Authors: Hong Wang, Erika Isaksson, Bo von Schoultz, J Mark Cline and Lena Sahlin

    Citation: Reproductive Biology and Endocrinology 2003 1:7

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  12. Content type: Research

    In most mammals oogonia proliferate by mitosis and begin meiotic development during fetal life. Previous studies indicated that there is a delay in the progression to the first stage of meiotic arrest in germ ...

    Authors: William J Murdoch, Edward A Van Kirk, Kimberly A Vonnahme and Stephen P Ford

    Citation: Reproductive Biology and Endocrinology 2003 1:6

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  13. Content type: Research

    During mammalian testis development distinct generations of fetal and adult Leydig cells arise. Luteinising hormone (LH) is required for normal adult Leydig cell function and for the establishment of normal ad...

    Authors: PJ Baker, H Johnston, M Abel, HM Charlton and PJ O'Shaughnessy

    Citation: Reproductive Biology and Endocrinology 2003 1:4

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  14. Content type: Research

    Several in vivo studies have reported the presence of immunoreactive transforming growth factor-β's (TGF-β's) in testicular cells at defined stages of their differentiation. The most pronounced changes in TGF-β1 ...

    Authors: Bart L Haagmans, Jos W Hoogerbrugge, Axel PN Themmen and Katja J Teerds

    Citation: Reproductive Biology and Endocrinology 2003 1:3

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  15. Content type: Research

    The cell surface mucin MUC1 is expressed by endometrial epithelial cells with increased abundance in the secretory phase of the menstrual cycle, when it is found both at the apical cell surface and in secretio...

    Authors: Neil A Hey, Marcos Meseguer, Carlos Simón, Nechama I Smorodinsky, Daniel H Wreschner, María Elena Ortíz and John D Aplin

    Citation: Reproductive Biology and Endocrinology 2003 1:2

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