T437. ADMINISTRATION OF HUMAN CHORIONIC GONADOTROPIN (hCG) ALTERS CELLULAR EXPRESSION OF VASCULAR ENDOTHELIAL GROWTH FACTOR RECEPTOR-2 (VEGFR-2) IN THE TESTES OF VEGFR-2 LACZ MICE. Clopton, Debra¹, Bott, Rebecca¹, Ten Broeck, Robin¹, Tepfer, April¹, Baltes, Michelle¹, Schulz, Joseph¹, Cupp, Andrea¹, ¹ University of Nebraska - Lincoln, Lincoln, NE

W438. WITHDRAWN. Nelson, John¹, Laughlin, Andy¹, Bryan, Tina ¹, Forrest, David¹, Welsh, Thomas ¹, Ing, Nancy¹, ¹ Texas A&M University, College Station, TX

M439. EXPRESSION OF GREMLIN, A BMP ANTAGONIST, IN THE MOUSE TESTIS. Hampton, James¹, Johnston, Daniel², Eppig, John¹, Handel, Mary Ann¹, ¹ The Jackson Laboratory, Bar Harbor, ME² Wyeth Research, Collegeville, PA

T440. siRNA SUPPRESSION OF GDF-9 mRNA IN VITRO BLOCKS THE FORMATION OF PRIMORDIAL FOLLICLES IN THE HAMSTER. Wang, Cheng¹, Roy, Shyamal K¹, ¹ University of Nebraska Medical Center, Omaha, NE

W441. RELATIONSHIP BETWEEN LEVELS OF mRNA ENCODING GLUCOSE TRANSPORTER (GLUT) 1 AND 3 AND CONCENTRATIONS OF GLUCOSE IN BOVINE FOLLICLES. Nishimoto, Hiromi¹, Baba, Youhei¹, Kato, Fumiyo¹, Ogawara, Sumika¹, Yamana, Atsuko¹, Yamamoto, Sawa², Hamano, Seizo², Tetsuka, M.¹, ¹ Obihiro University of Agriculture & Veterinary Medicine, Obihiro, Japan² Livestock Improvement Association of Japan Inc, Tokyo, Japan

M442. THE REGULATION OF EXPRESSION OF MEMBERS OF THE PEA3 TRANSCRIPTION FACTOR FAMILY AND THEIR DOWNSTREAM TARGETS IN THE RAT EPIDIDYMIS. Yang, Ling¹, Kirby, Jennifer¹, Troan, Brigid¹, Fox, Sallie¹, Hinton, Barry¹, ¹ University of Virginia, Charlottesville, Virginia

T443. TRANSCRIPTIONAL REGULATION OF INSL3 EXPRESSION IN TESTICULAR LEYDIG CELLS. Robert, Nicholas¹, Tremblay, Jacques^{1, 2}, ¹ CHUL Research Centre, Ste-Foy, QC, Canada² Université Laval, Ste-Foy, QC, Canada

W444. INDUCTION OF SMAD8 BY MLLERIAN INHIBITING SUBSTANCE. Clarke, Trent¹, Kabbaj, Marie-Helene¹, Fritz, Dillon¹, Zhan, Yong^{2, 3}, Manganaro, Thomas^{2, 3}, MacLaughlin, David^{2, 3}, Lorenzen, Mary^{2, 3}, Donahoe, Patricia^{2, 3}, ¹ Florida State University College of Medicine, Tallahassee, FL² Massachusetts General Hospital, Boston, MA³ Harvard Medical School, Boston, MA

M445. EVIDENCE FOR DIFFERENTIAL EXPRESSION OF FSH RECEPTOR EXONS 10 AND 11 DURING FOLLICULAR WAVE DEVELOPMENT IN THE COW. Rozell, Timothy ¹, Monteiro, Ana², Baker, Paul², Mihm, Monika², ¹ Kansas State University, Manhattan, KS² University of Glasgow, Glasgow, UK

T446. ESTREN BEHAVES AS A WEAK ESTROGEN RATHER THAN A NON-GENOMIC SELECTIVE ACTIVATOR IN THE UTERUS. Hewitt, Sylvia¹, Korach, Kenneth¹, ¹ National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC

W447. DIFFERENTIAL EXPRESSION OF INTRACELLULAR SIGNALLING MOLECULES IN DOMINANT COMPARED TO SUBORDINATE FOLLICLES DURING DIFFERENT STAGES OF THE FOLLICLE WAVE IN CATTLE. Forde, Niamh¹, Canty, Mary¹, Zielak, Anna¹, Lonergan, Pat¹, Smith, George², Ireland, James², Evans, Alex¹, ¹ University College Dublin, Dublin, Ireland² Michigan State University, East Lansing, MI

M448. CHANGES IN THE CELLULAR DISTRIBUTION OF HEPATOCYTE GROWTH FACTOR (HGF), C-MET, AND HGF ACTIVATOR PROTEIN DURING RAT FOLLICULOGENESIS. Zachow, Rob^{1, 2}, Uzumcu, Mehmet ², ¹ Robert Wood Johnson Medical School, Piscataway, NJ² Rutgers, New Brunswick, NJ

T449. MURINE HOMOLOGUES OF THE DROSOPHILA GUS GENE ARE EXPRESSED IN OVARIAN GRANULOSA CELLS. Xing, Yan ^{1, 2}, Gosden, Roger³, Lasko, Paul ¹, Clarke, Hugh^{1, 2}, ¹ McGill University, Montreal, QC, Canada² Royal Victoria Hospital, McGill University Health Center, Montreal, QC, Canada³ Weill Medical College, Cornell University, New York, NY

W450. IN SITU STEROIDOGENIC PATTERN OF FOLLICULAR MICROENVIRONMENT IN MURRAH BUFFALOES: CHANGE IN HORMONAL ENVIRONMENT OF OOCYTES WITH CYCLICITY. Ramesh, Chandolia¹, Pradeep, S¹, Sandeep, Gera¹, ¹ CCS Haryana Agricultural University, Hisar, Haryana, India

M451. INFLUENCE OF DURATION OF PROESTRUS ON PREOVULATORY ESTRADIOL CONCENTRATIONS AND UTERINE GENE EXPRESSION FOLLOWING INDUCED OVULATION IN CATTLE. Bridges, Glen¹, Mussard, Martin¹, Winkler, Jodi¹, Gasser, Chad¹, Grum, David¹, Pate, Joy¹, Day, Michael¹, ¹ The Ohio State University, Columbus, OH

T452. CAVEOLIN-1 (CAV1) IS UP-REGULATED IN GRANULOSA CELLS OF BOVINE OVULATORY FOLLICLES: MOLECULAR CLONING AND SPATIO-TEMPORAL EXPRESSION STUDIES. Diouf, Mame¹, Lefebvre, Réjean¹, Lévesque, Valérie¹, Silversides, David¹, Sirois, Jean¹, Lussier, Jacques¹, ¹ Université de Montréal, St-Hyacinthe, Québec, Canada

W453. DYNAMIC EXPRESSION OF mRNAs ENCODING EPOXYEICOSATRIENOIC ACID SYNTHESIZING AND METABOLIZING ENZYMES IN THE PRIMATE CORPUS LUTEUM. Perez, Wilma¹, Irusta, Griselda¹, Hennebold, Jon^{1, 2}, ¹ Oregon Health & Science University, Beaverton, OR² Oregon Health & Science University, Portland, OR

M454. A CALCIUM BINDING PROTEIN, CALBINDIN-D9k, IS MAINLY REGULATED BY ESTROGEN IN THE PITUITARY GLAND OF RATS DURING ESTROUS CYCLE. Nguyen, Thi Hoa¹, Jung, Yong-Woo¹, Choi, Kyung-Chul², Jeung, Eui-Bae ¹, ¹ Chungbuk National University, Cheongju, Chungbuk, Republic of Korea² University of British Columbia, Vancouver, BC, Canada

T455. SEX-SPECIFIC GENE EXPRESSION PROFILING IN FETAL MOUSE LUNG DURING THE SURFACTANT SURGE. Simard, Marc^{1, 2}, Provost, Pierre ^{1, 2}, Tremblay, Yves ^{1, 2}, ¹ Centre de Recherche du CHUL, Quebec, QC, Canada² Laval University, Quebec, QC, Canada

W456. Mouse Type I 3-Hydroxysteroid Dehydrogenase (3-HSD) Promoter Regulation by Vascular Endothelial Growth Factor (VEGF) in MA-10 Leydig Cells. Xie, Qin ¹, Holder, Amber¹, Stalvey, John¹, ¹ Kent State University, Kent, OH

M457. DYNAMIC EXPRESSION OF NEUREGULIN-1 AND THE ERbB FAMILY OF RECEPTORS DURING FOLLICULOGENESIS IN THE RAT OVARY. Branch, Alicia¹, Chowdhury, Indrajit¹, Ford, Byron¹, Tsang, Benjamin², Thompson, Winston¹, ¹ Morehouse School of Medicine, Atlanta, GA² University of Ottawa, Ottawa, ON, Canada

T458. CLONING AND ANALYSIS OF THE OVINE GALECTIN-15 PROMOTER. Lewis, Shaye¹, Carpenter, Karen¹, Gray, Allison¹, Fleming, Jo-Ann¹, Bazer, Fuller¹, Spencer, Thomas¹, ¹ Texas A&M University, College Station, Texas

W459. JUN/AP-1 ADENOVIRAL OVEREXPRESSION RECIPROCALLY REGULATES UTERINE ARTERY ENDOTHELIAL CELL eNOS AND CAVEOLIN-1 EXPRESSION. Chen, Dongbao¹, ¹ University of California San Diego, La Jolla, CA

M460. THE PUTATIVE HMGA PROTEIN p8 IS ESSENTIAL FOR GNRH INDUCTION OF EGR1 IN LT2 CELLS. Chauvin, Theodore^{1, 2}, Nilson, John^{1, 2}, ¹ Washington State University, Pullman, WA² Center for Reproductive Biology, Pullman, WA

T461. MOLECULAR CLONING AND EXPRESSION OF PORCINE STAT3 IN REPRODUCTIVE TISSUES. Wen, Lihua ¹, Craig, Jesse¹, Dyce, Paul¹, Li, Julang¹, ¹ University of Guelph, Guelph, ON, Canada

W462. EXPRESSION OF GAP JUNCTIONAL CONNEXINS (Cx) 26, 32, 37 AND 43 IN THE OVINE OVARIAN FOLLICLES DURING THE PERIOVULATORY PERIOD IN SHEEP. Borowczyk, Ewa ¹, Johnson, Mary Lynn ¹, Redmer, Dale ¹, Reynolds, Lawrence ¹, Navanukraw , Chainarong ¹, Grazul-Bilska, Anna ¹, ¹ North Dakota State University, Fargo, ND

M463. INITIATION OF PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR (PPAR) EXPRESSION IN THE NEONATAL RAT OVARY. Komar, Carolyn¹, ¹ Iowa State University, Ames, IA

T464. ESTROGEN INDUCES RECRUITMENT OF HYPOXIA-INDUCIBLE FACTOR 1 (HIF-1) TO THE PROXIMAL PROMOTER OF THE VASCULAR ENDOTHELIAL GROWTH FACTOR (VEGF) GENE. Kazi, Armina¹, Koos, Robert¹, ¹ University of Maryland School of Medicine, Baltimore, MD

W465. CHOLESTEROL SIDE-CHAIN CLEAVAGE CYTOCHROME P450 (P450scc) TRANSCRIPTION REVISITED: SF-1 WAS ONLY A PROLOGUE. Sher, Noa¹, Orly, Joseph¹, ¹ The Hebrew University of Jerusalem, Jerusalem, Israel

M466. INVERSE RELATIONSHIP BETWEEN NITRIC OXIDE SYNTHASES AND ENDOTHELIN-1 IN BOVINE CORPUS LUTEUM : INTERACTIONS AT THE LEVEL OF THE LUTEAL ENDOTHELIAL CELL. Meidan, Rina¹, Kisliouk, Tatiana¹, Klipper, Eyal¹, Spanel-Borowski, Katharina², Rosiansky, Maya¹, ¹ The Hebrew University of Jerusalem, Rehovot, Israel² University of Leipzig, Leipzig, Germany

T467. mRNA AND PROTEIN EXPRESSION OF P450 AROMATASE (AROM) AND ESTROGEN RECEPTORS (ER) AND DURING EARLY DEVELOPMENT OF BOVINE FETAL OVARIES. Garverick, H Allen¹, Juengel, Jenny², Smith, Peter², Heath, Derek², Burkhart, Malinda¹, Schenk, John³, Perry, George¹, Smith, Michael¹, McNatty, Ken², ¹ University of Missouri, Columbia, MO² AgResearch, Wallaceville, Upper Hutt, NZ³ XY, Inc., Fort Collins, CO

W468. EXPRESSION OF EXTRACELLULAR MATRIX METALLOPROTEINASE INDUCER (EMMPRIN) IN REPRODUCTIVE TISSUES OF ESTROGEN RECEPTOR- AND - KNOCKOUT MICE. Nowak, Romana¹, Bunick, David ¹, Nakai, Masaaki¹, Couse, John², Korach, Ken², Chen, Li¹, ¹ University of Illinois, Urbana, IL² National Institute of Environmental Sciences, Research Triangle Park, NC

M469. EXPRESSION LEVELS OF APOPTOSIS-RELATED GENES IN THE TESTIS OF LEPTIN-DEFICIENT MICE. Bhat, Ganapathy¹, Olatinwo, Moshood¹, Ford, Gregory¹, Ford, Byron¹, Mann, David¹, ¹ Morehouse School of Medicine, Atlanta, GA

T470. EXPRESSION AND REGULATION OF MULLERIAN INHIBITING SUBSTANCE IN THE OVARY OF THE HEN. Johnson, Patricia¹, Kent, Tera¹, Giles, James¹, ¹ Cornell University, Ithaca, NY

W471. ISOLATION OF THE RAT Nur77 PROMOTER AND CHARACTERIZATION OF ITS REGULATORY ELEMENTS IN TESTICULAR LEYDIG CELLS. Boucher, Nicolas¹, Tremblay, Jacques J.^{1, 2}, ¹ CHUL Research Centre, Ste-Foy, QC, Canada² Université Laval, Ste-Foy, QC, Canada

M472. EXPRESSION OF MULTIDRUG RESISTANCE TYPE I GENE IN PORCINE GRANULOSA CELLS AND ITS STEROID HORMONE REGULATION. Fukuda, Hiroaki¹, Arai, Manabu¹, Soh, Tomoki¹, Yamauchi, Nobuhiko¹, Hattori, Masa-aki¹, ¹ Kyushu University, Fukuoka, Japan

T473. LOCALIZATION OF PROTEINS ENCODING ESTROGEN RECEPTORS (ER) AND DURING DAYS 110 TO 250+ OF DEVELOPMENT OF BOVINE FETAL OVARIES. Burkhart, Malinda¹, Garverick, H Allen¹, Juengel, Jenny², Smith, Peter², Heath, Derek², Perry, George¹, Smith, Michael¹, ¹ University of Missouri, Columbia, MO² AgResearch, Wallaceville, Upper Hutt, NZ

W474. LONG PROMOTER AND TRANSCRIPTIONAL REGULATION OF PROSTAGLANDIN F AND E SYNTHASES BY IL1B IN HUMAN ENDOMETRIAL CELLS. Chapdelaine, Pierre¹, Fortier, Michel^{1, 2}, ¹ Laval University Hospital Center, Quebec, Qc, Canada² Laval University, Quebec, Qc, Canada

M475. SEARCHING A MULTI-LEVEL DEVELOPMENTAL COMPETENCE BOVINE OOCYTE GENE. Mourot, Marina¹, Duffort, Isabelle¹, Gravel, Catherine ¹, Algryani , Omran², Dieleman , Steph ², Sirard, Marc Andre¹, ¹ Université Laval, Québec, QC, CANADA.² Utrecht University, Utrecht, The Netherlands.

T476. EXPRESSION PROFILES OF ENDOMETRIA FROM WOMEN WITH NATURAL, MODERATE AND HYPERSTIMULATED CYCLE DURING IN VITRO FERTILIZATION TREATMENT. Liu, Yunao¹, Lee, Kai-Fai¹, Ng, Ernest ¹, Ho, Pak-Chung¹, ¹ The University of Hong Kong, Hong Kong, China

W477. IMPLICATION OF ADIPOGENESIS ON REPRODUCTION IN SOW; NEW CANDIDATE GENES? Labrecque, Benoit¹, Murphy, Bruce¹, Mathieu, Olivier², Palin, Marie-France ², ¹ University of Montreal, St-Hyacinthe, QC, Canada² Dairy and Swine Research and Development Centre, AAFC, Lennoxville, QC, Canada

M478. UNRAVELING THE INTRAFOLLICULAR MECHANISM OF OVULATION: PROSTAGLANDIN DEPENDENT REGULATION OF SELECT EXTRACELLULAR MATRIX DEGRADING PROTEINASES AND THEIR INHIBITORS IN BOVINE PREOVULATORY FOLLICLES. Li, Qinglei¹, Jimenez-Krassel, Fermin¹, Kobayashi, Yasuhiro¹, Ireland, James¹, Smith, George¹, ¹ Michigan State University, East Lansing, MI

T479. PATTERN OF ENDOCRINE GLAND-DERIVED VASCULAR ENDOTHELIAL GROWTH FACTOR (EG-VEGF)/ PROKINETICIN-1 mRNA EXPRESSION IN BOVINE OVARIES THROUGHOUT THE ESTROUS CYCLE: MORE THAN ANGIOGENIC FACTOR. Kisliouk, Tatiana¹, Podlovni, Helena¹, Zhou, Qun-Yong², Meidan, Rina¹, ¹ The Hebrew University of Jerusalem, Rehovot, Israel² University of California, Irvine, CA

W480. EXPRESSION AND REGULATION OF PROGESTERONE RECEPTOR ISOFORMS IN THE MOUSE FALLOPIAN TUBE AND UTERUS. Shao, Ruijin¹, Weijdegård, Birgitta¹, Billig, Håkan¹, ¹ Göteborg University, Göteborg, Sweden

M481. MICROARRAY ANALYSIS OF OVARIAN GENE EXPRESSION IN FORKO MICE: INSIGHTS INTO THE MECHANISM OF FOLLITROPIN RECEPTOR SIGNALLING. Aravindakshan, Jayaprakash¹, Chen, Xin Lei¹, Yang, Yinzhi¹, Sairam, M Ram¹, ¹ Clinical Research Institute of Montréal, Montreal, Quebec, Canada

T482. MOLECULAR CHARACTERIZATION OF THE EQUINE PROSTAGLANDIN F2 RECEPTOR AND ITS REGULATION DURING THE OVULATORY PROCESS. Sayasith, Khampoune¹, Bouchard, Nadine¹, Brown, Kristy A¹, Sirois, Jean¹, ¹ Université de Montréal, St-Hyacinthe, Qué, Canada

W483. DIFFERENTIAL GENE EXPRESSION IN THE OVARAIN CORTEX OF COWS SELECTED FOR MULTIPLE OVULATIONS. Cushman, Robert¹, Allan, Mark¹, Christenson, Ronald¹, Echternkamp, Sherrill¹, ¹ USDA-ARS, Roman L. Hruska U.S. Meat Animal Research Center, Clay Center, NE

M484. ANALYSIS OF ALTERNATIVE PROMOTER USAGE OF THE CYTOCHROME P450 AROMATASE GENE IN BOVINE GRANULOSA CELLS. Nicola, Edmir¹, Cao, Mingju², Goncalves, Paulo¹, Price, Christopher², ¹ Universidade Federal de Santa Maria, Santa Maria, RS, Brazil² University of Montreal, Saint-Hyacinthe, QC, Canada

T485. CELLULAR LOCALIZATION AND EXPRESSION OF OVARIAN MMP-13 mRNA DURING FUNCTIONAL AND STRUCTURAL LUTEOLYSIS IN THE RAT. Wheeler-Price, Sarah¹, McDonnel-Smedts, Anna¹, Curry, Thomas¹, ¹ University of Kentucky Chandler Medical Center, Lexington, KY

W486. CLONING AND CHARACTERIZATION OF ZEBRAFISH GROWTH AND DIFFERENTIATION FACTOR-9 (GDF-9) AND ITS REGULATION BY GONADOTROPIN IN THE OVARY. Liu, Lin¹, Ge, Wei¹, ¹ The Chinese University of Hong Kong, Shatin, Hong Kong

M487. GENES REGULATED BY THE PEM (RHOX5) HOMEODOMAIN PROTEIN IN SERTOLI CELLS. Hu, Zhiying ¹, MacLean, James ¹, Wilkinson, Miles ¹, ¹ M.D. Anderson Cancer Center, University of Texas, Houston, TX

T488. MOLECULAR CHARACTERIZATION OF BOVINE APOLIPOPROTEIN E RECEPTOR 2 AND SPATIO-TEMPORAL EXPRESSION STUDY IN OVARIAN FOLLICLES. Fayad, Tania¹, Sirois, Jean¹, Silversides, David¹, Lussier, Jacques¹, ¹ Université de Montréal, St-Hyacinthe, Québec, Canada

W489. GENE EXPRESSION DURING THE PERI-FOLLICULOGENIC PERIOD IN THE NEONATAL HAMSTER OVARY. Bowser, Jessica¹, Srikanthan, Sowmya¹, Hendry, William¹, May, Jeffrey¹, ¹ Wichita State University, Wichita, KS

M490. BOTH DECIDUALIZATION AND PROGESTERONE (P) WITHDRAWAL STIMULATE THE EXPRESSION OF VASCULAR ENDOTHELIAL GROWTH FACTOR (VEGF), PLASMINOGEN ACTIVATOR (uPA), AND PLASMINOGEN ACTIVATOR INHIBITOR 1 (PAI-1) IN THE MOUSE ENDOMETRIUM. Koos, Robert¹, Jones, Jenny ¹, ¹ University of Maryland School of Medicine, Baltimore, MD

T491. GROWTH DIFFERENTIATION FACTOR-8 FUNCTION IN CHICKEN EMBRYONIC MYOBLASTS ANALYZED BY RNA INTERFERENCE. Sato, Fuminori ¹, Soh, Tomoki ¹, Yamauchi, Nobuhiko¹, Hattori, Masa-aki¹, ¹ Kyushu University, Fukuoka, Japan

W492. REGULATION OF FIBROBLAST GROWTH FACTOR RECEPTOR 2b (FGFR-2b) GENE EXPRESSION IN CULTURED BOVINE GRANULOSA CELLS. Buratini, Jose¹, Castilho, Anthony¹, Cao, Mingju², Nicola, Edmir², Costa, Isabela¹, Price, Christopher², ¹ Sao Paulo State University, Botucatu, Sao Paulo, Brazil² University of Montreal, Saint Hyacinthe, Quebec, Canada

M493. CONTRASTING IN VIVO VERSUS IN VITRO UTERINE EFFECTS OF THE SELECTIVE ESTROGEN RECEPTOR MODULATORS MPP AND RALOXIFENE. Davis, Angela¹, Rosenfeld, Cheryl ¹, ¹ University of Missouri-Columbia, Columbia, MO

T494. Wnt SIGNALING IN THE NEONATAL OVINE UTERUS AND POTENTIAL SPECIFICATION OF ENDOMETRIAL GLAND MORPHOGENESIS BY sFRP-2. Hayashi, Kanako¹, Spencer, Thomas¹, ¹ Texas A&M University, College Station, TX

W495. LIVER X RECEPTORS (LXRS) IN THE MURINE EPIDIDYMIS: TISSUE DISTRIBUTION AND TARGET GENES. Saez, Fabrice¹, Chabory, Eleonore¹, Kocer, Ayhan¹, Britan, Aurore¹, Lobaccaro, Jean-Marc¹, Drevet, Joel¹, ¹ Blaise Pascal University, Aubiere, France

M496. WITHDRAWN. Julio-Pieper, Marcela¹, Lara, Hernán¹, Vantman, David¹, Miranda, Cristian¹, Alba, Francisco¹, Cortinez, Armando¹, Romero, Carmen¹, ¹ Universidad de Chile, Santiago, Chile

T497. Rhox5 REGULATES ADJACENT HOMEOBOX GENES ON THE X CHROMOSOME DURING DEVELOPMENT. MacLean, James¹, Wayne, Chad¹, Rao, Manjeet¹, Chaillet, Richard², Wilkinson, Miles¹, ¹ UT MD Anderson Cancer Center, Houston, TX² University of Pittsburgh School of Medicine, Pittsburgh, PA

W498. EFFECTS OF GONADOTROPINS ON BOVINE OOCYTE MATURATION IN VITRO AND EXPRESSION OF ITS RECEPTOR mRNA IN GRANULOSA AND CUMULUS CELLS. Jin, Zong-Xuan¹, Chung, Jin-Tae¹, Ock, Sun-A¹, Chian, Ri-Cheng ¹, ¹ McGill University, Montreal, Quebec, Canada

M499. ASSESSING VINCLOZOLIN FOR ANTIANDROGENIC ACTIVITY: A DOSE-RESPONSE STUDY OF GENE EXPRESSION IN THE RAT VENTRAL PROSTATE. Jackson, Tymissha¹, Rosen, Mitchell², Furr, Jonathan², Schmid, Judith², Gray, L. Earl², ¹ North Carolina Central University, Durham, NC² United States Environmental Protection Agency, Durham, NC

T500. INABILITY OF MOUSE TESTIS TO ADAPT TO BODY TEMPERATURE -- A STUDY WITH OLIGO DNA ARRAY. Li, Yin-chuan¹, Hu, Xiao-qian¹, Han, Chun-sheng¹, Hu, Zhao-yuan¹, Liu, Tao¹, Guo, Jian¹, Song, Xin-xin¹, Xiao, Li-juan¹, Shi, Yu-qiang¹, Zhang, Ke-ying¹, Zhang, Zhu-qiang¹, Liu, Yi-Xun¹, ¹ Chinese Academy of Sciences, Beijing, China

W501. DEVELOPMENTAL PATTERNS OF PPAR/RXR GENE EXPRESSION DURING SPERMATOGENESIS. Thomas, Kelwyn¹, Sung, Dae-Yong¹, Chen, Xing¹, Gibbs, Robert², McCarrey, John³, Walker, William², ¹ Morehouse School of Medicine, Atlanta, GA² University of Pittsburgh, Pittsburgh, PA³ University of Texas, San Antonio, TX

M502. CROSS-SPECIES COMPARISON OF GENE EXPRESSION PROFILE IN THE OOCYTE USING OLIGONUCLEOTIDE ARRAYS. Vallee, Maud¹, Aiba, Kazuhiro², Piao, Yulan², Palin, Marie-France³, Ko, Minoru², Sirard, Marc-Andre¹, ¹ CRBR, Universite Laval, Quebec, QC, Canada² National Institute on Aging, NIH, Baltimore, MD³ Dairy and Swine Research and Development Centre, AAFC, Lennoxville, QC, Canada

T503. THE ISWI PROTEIN Snf2L REGULATES THE INITIATION OF TRANSCRIPTION OF THE STEROIDOGENIC ACUTE REGULATORY PROTEIN (StAR) IN TERMINALLY DIFFERENTIATING GRANULOSA AND LEYDIG CELLS. Pepin, David¹, Lazzaro, Maribeth ², Pescador, Nazario³, Murphy, Bruce³, Picketts, David⁴, Vanderhyden, Barbara^{1, 4}, ¹ University of Ottawa, Ottawa, ON, Canada² Health Canada, Therapeutics Products Directorate, Ottawa, ON, Canada³ Universite de Montreal, St. Hyacinthe, PQ, Canada⁴ The Ottawa Health Research Institute, Ottawa, ON, Canada

W504. CELLULAR AND BIOCHEMICAL CHARACTERIZATION OF A NOVEL OVARY-SELECTIVE PROTEASE AND ITS HOMOLOG. Miyakoshi, Kei¹, Murphy, Melinda¹, Hennebold, Jon¹, ¹ Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, OR

M505. GLUT 1 AND GLUT 4 mRNA AND PROTEIN IN THE DOG CORPUS LUTEUM DURING DIESTRUS. Paarmann, Fabio A¹, Marques Jr, Jose E B¹, Barros, Rodrigo P A¹, Machado, Ubiratan F¹, Campos, Danila B¹, Papa, Paula C¹, ¹ University of Sao Paulo, Sao Paulo, Brazil

T506. IFN-GAMMA AND TNF-ALPHA INHIBIT EXPRESSION OF TGF-BETA-1, ITS RECEPTORS TBETAR-I AND TBETAR-II IN THE CORPUS LUTEUM OF eCG/hCG TREATED RHESUS MONKEY. Gao, Hongjuan¹, Chen, Xin-Lei¹, Zhang, Zhi-Hong¹, Song, Xin-Xin¹, Hu, Zhao-Yuan¹, Liu, Yi-Xun¹, ¹ Chinese Academy of Sciences, Beijing, China

W507. ANDROGEN AND GLUCOCORTICOID SYNTHESIS IN THE DEVELOPING LUNG: TWO STEROIDS WITH OPPOSING ACTIONS ON THE MATURATION OF ALVEOLAR EPITHELIAL CELLS. Tremblay, Yves¹, Pierre, Provost¹, ¹ Laval University, Quebec, Quebec, Canada

M508. EFFECTS OF DEVELOPMENT, THE ESTROUS CYCLE, AND 17-ESTRADIOL ON ADIPOCYTE LEPTIN, ER, AND ER GENE EXPRESSION IN GILTS. Matsumoto, Yuiko¹, O'Gorman, Chad¹, Torres, Elizabeth¹, Stanko, Randy^{1, 2}, Garcia, Michelle¹, ¹ Texas A&M University-Kingsville, Kingsville, TX² Texas A&M University Agricultural Research Station, Beeville, TX

T509. MEVASTATIN SELECTIVELY DOWN–REGULATES LH RECEPTOR (LHR) mRNA IN CULTURED BOVINE GRANULOSA (GC) AND THECA (TC). Marsters, Peter¹, Kendall, Nigel², Campbell, Bruce¹, ¹ University of Nottingham, Nottingham, Nottinghamshire, UK² University of Nottingham, Sutton Bonington Campus, Loughborough, Leicestershire, UK

W510. UPSTREAM STIMULATORY FACTOR 1 (USF1) AND USF2 ARE EXPRESSED IN THE MOUSE TESTIS: IMPLICATIONS FOR TESTICULAR GENE EXPRESSION. Pons, Eric¹, Tremblay, Jacques^{1, 2}, ¹ CHUL Research Centre, Sainte-Foy, QC, Canada² Université Laval, Sainte-Foy, QC, Canada

M511. ACCURATE IDENTIFICATION OF MONOHORMONAL GONADOTROPES WITH DUAL BRIGHT FIELD IN SITU HYBRIDIZATION AND PROBES FOR GONADOTROPIN BETA SUBUNIT mRNA OR hnRNA. Childs, Gwen¹, ¹ University of Arkansas for Medical Sciences, Little Rock, AR

T512. PROMOTER 2 DERIVED CYP19 EXPRESSION IN BOVINE GRANULOSA CELLS COINCIDES WITH GENE-SPECIFIC DNA HYPO-METHYLATION. Vanselow, Jens¹, Pöhland, Ralf¹, Fürbass, Rainer¹, ¹ Research Institute for the Biology of Farm Animals, Dummerstorf, Germany

W513. SODIUM DEPENDENT VITAMIN C TRANSPORTER IN THE SHEEP CORPUS LUTEUM: SEQUENCE ANALYSIS. Ceddia, Ryan¹, Wick, Macdonald¹, Ottobre, Joseph¹, ¹ Ohio State University, Columbus, OH

M514. EXPRESSION OF TEX101 mRNA DIRECTED BY ALTERNATIVE PROMOTERS IN MOUSE GONADAL ORGANS. Tsukamoto, Hiroki¹, Jin, Hong¹, Takamori, Kenji¹, Ogawa, Hideoki¹, Araki, Yoshihiko¹, ¹ Juntendo University Graduate School of Medicine, Urayasu, Japan

T515. GENE EXPRESSION OF GLUCOCORTICOID RECEPTOR AND 11 -HSD IN BOVINE FOLLICLE AND CORPUS LUTEUM. Tetsuka, Masa¹, Nishimoto, Hiromi¹, Yamamoto, Sawa², Hamano, Seizo², ¹ Obihiro University of Agriculture & Veterinary Medicine, Obihiro, Japan² Livestock Improvement Association of Japan Inc, Tokyo, Japan

W516. TEMPORAL AND SPATIAL EXPRESSION OF MMP-1,-9,-14 AND THEIR INHIBITORS TIMP-1,-2,-3 IN THE CORPUS LUTEUM OF THE CYCLING RHESUS MONKEY. Chen, Xin-Lei¹, Gao, Hong-Juan ¹, Gao, Fei ¹, Wei, Peng ¹, Hu, Zhao-Yuan ¹, Liu, Yi-Xun¹, ¹ Chinese Academy of Sciences, Beijing, China

M517. CHANGES OF UTERINE OXYTOCIN RECEPTOR AND ESTROGEN RECEPTOR mRNA LEVELS IN PSEUDOPREGNANT OR ESTROGEN-TREATED OVARIECTOMIZED RATS. Murata, Takuya¹, Narita, Kazumi¹, Higuchi, Takashi¹, ¹ University of Fukui, Fukui, Japan

T518. REGULATION OF C-IAP1 AND C-IAP2 EXPRESSION DURING THE SEMINIFEROUS EPITHELIAL CYCLE AND THE ROLE THESE PROTEINS PLAY IN THE PROTECTION OF GERM CELLS FROM FAS-MEDIATED APOPTOSIS IN RAT TESTIS. Wang, Yangyang¹, Suominen, Janne S¹, Parvinen, Martti ¹, Rivero-Muller, Adolfo¹, Kiiveri, Sanne², Heikinheimo, Markku ², Robbins, Ian ³, Toppari, Jorma¹, ¹ University of Turku, Turku, Finland² University of Helsinki, Helsinki, Finland³ Université Montpellier, Montpellier, France

W519. EFFECTS OF ESTRADIOL ON EXPRESSION OF CONNEXIN (Cx)43, Cx37, Cx32, AND Cx26 IN ENDOMETRIAL TISSUES OF OVARIECTOMIZED (OVX) EWES. Johnson, Mary Lynn¹, Grazul-Bilska, Anna¹, Borowczyk, Ewa¹, Redmer, Dale¹, Reynolds, Lawrence¹, ¹ North Dakota State University, Fargo, ND

M520. EXPRESSION OF GnRH AND ITS RECEPTORS IN THE OVARY OF PRIMATES. Sridaran, Rajagopala¹, Pattabiraman, Vaishnavi¹, Khan, Firyal², Stouffer, Richard³, Subbarao, Thenmozhi¹, ¹ Morehouse School of Medicine, Atlanta, GA² West Virginia University, Morgantown, WV³ Oregon Health and Science University, Beaverton, OR

T521. POSSIBLE ROLE OF IGF BINDING PROTEIN-7 ON STEROIDOGENESIS IN GRANULOSA CELLS DERIVED FROM PREOVULATORY FOLLICLE IN RATS. Tamura, Kazuhiro¹, Matsushita, Mayumi¹, Kutsukake, Masahiko¹, Kogo, Hiroshi¹, ¹ Tokyo University of Pharmacy and Life Science, Tokyo, Japan

W522. THE IMPORT OF SULFOCONJUGATED STEROIDS IS REPRESSED IN PREOVULATORY FOLLICLES DURING HUMAN CHORIONIC GONADOTROPIN-INDUCED OVULATION. Brown, Kristy¹, Lussier, Jacques¹, Sirois, Jean¹, ¹ Université de Montréal, Saint-Hyacinthe, Québec, Canada

M523. PROTEIN PROFILES OF OVARIAN FOLLICULAR FLUID DURING DIFFERENT PHASES OF ESTROUS CYCLE IN MURRAH BUFFALOES. Pradeep, V¹, Ramesh, Chandolia¹, Harpreet, Singh¹, Ajit, Singh¹, ¹ CCS Haryana Agricultural University, Hisar, Haryana, India

T524. MOLECULAR CHARACTERIZATION OF THE LYSOSOMAL-ASSOCIATED PROTEIN TRANSMEMBRANE-4 BETA (LAPTM4B) REVEALS A DIFFERENTIAL EXPRESSION PATTERN IN GRANULOSA CELLS OF BOVINE DOMINANT FOLLICLES. Ndiaye, Kalidou¹, Carrière, Paul¹, Sirois, Jean¹, Silversides, David¹, Lussier, Jacques¹, ¹ Université de Montréal, St-Hyacinthe, Québec, Canada