M604. IN VIVO SHEDDING OF THE GERMINAL ANGIOTENSIN-CONVERTING ENZYME (gACE) INVOLVES A SERINE PROTEASE AND IS CONTROLLED BY EPIDIDYMAL FACTOR(S). Thimon, Veronique¹, Metayer, Sonia¹, Belghazi, Maya¹, Dacheux, Francoise¹, Dacheux, Jean-Louis¹, Gatti, Jean-Luc¹, ¹ Institut National de la Recherche Agronomique, Nouzilly, France

T605. EXPRESSION AND POSSIBLE ROLE OF ARYLSULFATASE A (AS-A) IN MOUSE OVARY. Anupriwan, Araya¹, Costa Santos, Daniela², Schenk, Matthias², Kongmanas, Kessiri², Carmona, Euridice^{2, 4}, Sretarugsa, Prapee¹, Tanphaichitr, Nongnuj^{2, 3}, ¹ Department of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand² Ottawa Health Research Institue, Ottawa, Canada⁴ Centre de Recherche Guy-Bemier Hospital Maisoneuve-Rosemont, Montreal, Canada³ Departments of Obstetrics/Gynecology and Biochemistry/Microbiology/Immunology, University of Ottawa, Ottawa, Canada

W606. THE INITIAL SEGMENT OF THE EPIDIDYMIS UNDERGOES AN EARLY SHIFT TO AN APOPTOTIC FATE THAT MAY NOT INVOLVE CASPASES. Fox, Sallie¹, Hinton, Barry¹, ¹ University of Virginia, Charlottesville, Virginia

M607. IMMUNOLOCALIZATION OF ESTROGEN RECEPTOR ALPHA, ESTROGEN RECEPTOR BETA, AND ANDROGEN RECEPTOR IN THE BOAR EPIDIDYMIS THROUGHOUT DEVELOPMENT AND AFTER AROMATASE INHIBITION. Pearl, Christopher ¹, Berger, Trish ¹, Roser, Janet¹, ¹ University of California, Davis, CA

T608. CHANGES IN TESTICULAR LEVELS OF THE P63 AND NOTCH SIGNALING SYSTEMS DURING POSTNATAL DEVELOPMENT IN THE RAT. Hayashi, Tetsuo¹, Yoshida, Soichiro¹, Yoshinaga, Atsushi¹, Ohno, Rena¹, Ishii, Nobuyuki¹, Terao, Toshiya¹, Yamada, Takumi¹, ¹ Saitama Medical Center, Saitama Medical School, Kawagoe, Saitama, Japan

W609. INTERLEUKIN-6 REGULATES THE EXPRESSION OF CELLULAR FLICE-LIKE INHIBITORY PROTEIN IN GRANULOSA CELLS OF OVARIES. Maeda, Akihisa¹, Goto, Yasufumi ¹, Matsuda-Minehata, Fuko ¹, Cheng, Yuan ¹, Sai, Takafumi ¹, Manabe, Noboru¹, ¹ University of Tokyo, Ibaraki-Iwama, Japan

M610. DIFFERENTIAL GENE EXPRESSION OF OOCYTES OBTAINED FROM GROWING AND PERSISTENT FOLLICLES. Lingenfelter, Brandon¹, Dailey, Robert¹, Inskeep, E. Keith¹, Vernon, Michael¹, Poole, Daniel¹, Rhinehart, Justin¹, Yao, Jianbo¹, ¹ West Virginia University, Morgantown, WV

T611. THE EFFECT OF GLYCOSAMINOGLYCANS AND HORMONAL SUPPLEMENT ON MEIOTIC RESUMPTION OF CANINE OOCYTE. Fibrianto, Yuda Heru¹, Hossein, Mohammad Shamim¹, Oh, Hyun Ju¹, Goo, Jang¹, Kim, Hye Jin¹, Kim, Min Kyu¹, Kang, Seun Keun^{1, 2}, Lee, Byong Chun^{1, 2}, Hwang, Woo Suk^{1, 2, 3}, ¹ College of Veterinary Medicine, Seoul, South Korea² Seoul National University Hospital, Seoul, South Korea³ Seoul National University, Seoul, South Korea

W612. CIRCULATING LEVELS OF LEPTIN DURING PUBERTY IN JAPANESE MACAQUES: SEX DIFFERENCES AND RELATIONSHIP TO CHANGES IN REPRODUCTIVE HORMONES. Shimizu, Keiko¹, Itoh, Mariko¹, Takumi, Ken¹, Watanabe, Gen², Hayashi, Motoharu¹, Taya, Kazuyoshi², ¹ Kyoto University, Inuyama, JAPAN² Tokyo University of Agriculture and Technology, Fuchu, JAPAN

M613. SEX STERIODS ARE POTENT AND RAPID TRIGGERS OF MOUSE OOCYTE MATURATION IN OVARIAN FOLLICLES. Jamnongjit, Michelle¹, Gill, Arvind , Hammes, Stephen¹, ¹ University of Texas Southwestern Medical Center, Dallas, Texas

T614. DEFINING THE SEQUENTIAL EVENTS RELATED TO CERAMIDE-INDUCED LOSS OF STEROIDOGENESIS AND THE INDUCTION OF APOPTOSIS IN CULTURED LUTEINIZED MURINE GRANULOSA CELLS. Sullivan, Brian ¹, Henkes, Luiz^{1, 2}, Bruemmer, Jason^{1, 3}, Lynch, Maureen^{1, 2}, Rueda, Bo^{1, 2}, ¹ Massachusetts General Hospital, Boston, MA² Harvard Medical School, Boston, MA³ Colorado State University, Fort Collins, CO

W615. GRANULOSA CELL IS A TYPE II APOPTOTIC CELL THAT REGULATES FOLLICULAR ATRESIA IN PIG OVARIES. Sai, Takafumi¹, Matsui, Toshikatsu¹, Goto, Yasufumi¹, Matsuda-Minehata, Fuko¹, Inoue, Naoko², Maeda, Akihisa¹, Cheng, Yuan¹, Li, Junyou¹, Manabe, Noboru¹, ¹ University of Tokyo, Ibaraki-Iwama, Japan² Nagoya University, Nagoya, Japan

M616. INVOLVEMENT OF INTERLEUKIN-4 AND INTERLEUKIN-6 IN REGULATING PORCINE CORPUS LUTEUM FUNCTION. Sakumoto, Ryosuke¹, Komatsu, Tokushi², Kasuya, Etsuko¹, Saito, Toshiyuki¹, Okuda, Kiyoshi³, ¹ National Institute of Agrobiological Sciences, Tsukuba, Japan² National Institute of Livestock and Grassland Science, Tsukuba, Japan³ Okayama University, Okayama, Japan

T617. SPERM PROTEIN 22 (SP22) IN THE OVARY OF THE RAT. Benoit, Allison¹, LaVoie, Holly ¹, McCoy, George², Blake, Charles¹, ¹ University of South Carolina School of Medicine, Columbia, SC² Benedict College, Columbia, SC

W618. NITRIC OXIDE ALTERS PROGESTERONE SECRETION RATE AND BLOOD FLOW IN VIVO AND LUTEAL CELL PRODUCTION OF PROGESTERONE IN VITRO IN SHEEP. Keator, Christopher¹, Schreiber, David¹, Milvae, Robert¹, McCracken, John, ¹ University of Connecticut, Storrs, CT

M619. MICROVASCULAR ENDOTHELIAL CELLS OF THE BOVINE CORPUS LUTEUM: DO DIFFERENCES EXIST BETWEEN THE ESTROUS CYCLE AND PREGNANCY? Cherry, Jessica¹, Hou, Xiaoying², Henkes, Luiz³, Rueda, Bo³, Davis, John², Townson, David¹, ¹ University of New Hampshire, Durham, NH² University of Nebraska Medical Center, Omaha, NE³ Massachusetts General Hospitial/Harvard Medical School, Boston, MA

T620. THE EFFECT OF POLYVINYLPYRROLIDONE ON BOVINE OOCYTE MATURATION IN VITRO. Chung, Jin-Tae¹, Tosca, Lucie¹, Huang, Tianhua², Chian, Ri-Cheng¹, ¹ McGill University, Montreal, QC, Canada² Santou University, Santou, Guangdong, P. R. of China

W621. EXPRESSION AND ACTIVITY OF CASPASE-2, -3, -8, AND -9 IN THE RAT CORPUS LUTEUM AT DIFFERENT STAGES DURING THE NATURAL ESTROUS CYCLE. Peluffo, Marina¹, Bussmann, Leonardo¹, Stouffer, Richard², Tesone, Marta¹, ¹ IBYME (Instituto de Biologia y Medicina Experimental), Buenos Aires, Argentina² ONPRC-OHSU (Oregon National Primate Research Center- Oregon Health and Science University), Beaverton, Oregon

M622. EXPRESSION OF ANTI-MULLERIAN HORMONE DURING THE DEVELOPMENT OF BOVINE FETAL OVARIES. Fortune, Joanne¹, Yang, Ming¹, ¹ Cornell University, Ithaca, NY

T623. cFLIP REGULATES GRANULOSA CELL APOPTOSIS DURING FOLLICULAR ATRESIA IN PORCINE OVARIES. Matsuda-Minehata, Fuko¹, Goto, Yasufumi², Inoue, Naoko³, Manabe, Noboru², ¹ University of Tokyo, Tokyo, Japan² University of Tokyo, Ibaraki-Iwama, Japan³ Nagoya University, Nagoya, Japan

W624. DEFINING THE TEMPORAL RELATIONSHIP OF NOTCH FAMILY MEMBERS WITH THE PROLIFERATION AND DIFFERENTIATION (LUTEINIZATION) OF MURINE GRANULOSA IN VIVO. Bruemmer, Jason^{1, 2}, Henkes, Luiz ¹, Sullivan, Brian¹, Lynch, Maureen¹, Davis, John^{3, 4}, Townson, David⁵, Rueda, Bo¹, ¹ Massachusetts General Hospital, Boston, Massachusetts² Colorado State University, Fort Collins, Colorado³ University of Nebraska Medical Center, Omaha, Nebraska⁴ VA Medical Center, Omaha, Nebraska⁵ University of New Hampshire, Durham, New Hampshire

M625. CROSSING STYX: ROLES FOR ACTIVE- AND DEAD-PHOSPHATASES IN CELL SIGNALING, REPRODUCTION, AND DISEASE. Wishart, Matthew¹, Torgersen, Knut¹, Yen, Catherine¹, ¹ University of Michigan Medical School, Ann Arbor, Michigan

T626. EXPRESSION OF HYALURONIDASES IN THE MOUSE OVARY: POSSIBLE INVOLVEMENT IN FOLLICULAR ATRESIA. Orimoto, Adriana¹, Dumaresq-Doiron, Karine¹, Triggs-Raine, Barbara², Carmona, Euridice^{1, 3}, ¹ Hopital Maisonneuve-Rosemont, Montreal, QC, Canada² U. Manitoba, Winnipeg, MB, Canada³ U. Montreal, Montreal, QC, Canada

W627. RAPID DECLINES IN TESTICULAR MASS ARE ASSOCIATED WITH INCREASED APOPTOSIS IN AMERICAN CROWS (Corvus brachyrhynchos). Jenkins, Luwanda¹, Ross, Wallace², Young, Kelly¹, ¹ California State University, Long Beach, CA² California Department of Fish and Game, San Diego, CA

M628. CHANGES IN SERUM GONADOTROPIN, TESTOSTERONE, TESTICULAR INTERLEUKIN-1 (IL-1), AND INTERLEUKIN-6 (IL-6) DURING SEXUAL MATURATION IN BEEF BULL CALVES. Bagu, Edward¹, Gordon, John², Rawlings, Norman¹, Barrett, David¹, Gratton, Chantelle¹, ¹ University of Saskatchewan, Saskatoon, SK, Canada² University of Saskatchewan, Saskatoon, SK, Canada

T629. CERAMIDE MODULATES DXR-INDUCED APOPTOSIS BY ALTERING DRUG TRAFFICKING AND NUCLEAR RETENTION. Perez, Gloria ¹, Nakad, Toufic², Kujjo, Loro¹, ¹ Michigan State University, East Lansing, MI² St. George's Hospital Medical Center, Beirut, Lebanon

W630. EARLY OVARIAN FAILURE ACCELERATES THE RATE OF BONE MINERAL DENSITY LOSS IN AGED C57BL/6 MICE. Rivera, Zelieann¹, Funk, Janet¹, Christian, Patricia ¹, Hoyer, Patricia¹, ¹ University of Arizona, Tucson, AZ

M631. DYNAMIC MODULATION OF StAR (STEROIDOGENIC ACUTE REGULATORY PROTEIN) AND CYTOCHROME P450C17 BY A GONADOTROPIN-RELEASING HORMONE (GnRH) AGONIST IN RAT OVARIAN FOLLICLES. Irusta, Griselda¹, Parborell, Fernanda¹, Gonzalez, Olga¹, Tesone, Marta, ¹ Instituto de Biología y Medicina Experimental, Ciudad de Buenos Aires, Argentina

T632. IN VIVO EFFECT OF GONADOTROPIN-RELEASING HORMONE ANALOGS ON CASPASE-3 EXPRESSION IN RAT OVARIAN FOLLICLES. Parborell, Fernanda¹, Abramovich, Dalhia¹, Tesone, Marta¹, ¹ Instituto de Biología y Medicina Experimental, Buenos Aires, Argentina

W633. SHORT PHOTOPERIOD-INDUCED APOPTOSIS INITIATES A LOSS OF OVARIAN FUNCTION IN SIBERIAN HAMSTERS (Phodopus sungorus). Moffatt-Blue, Chantelle¹, Sury, Jonathan¹, Young, Kelly¹, ¹ California State University, Long Beach, CA

M634. IMPACT OF NUCLEAR STATUS AND MATURATION PERIOD ON ENERGY SUBSTRATE USE BY IN VITRO-CULTURED DOG OOCYTES. Songsasen, Nucharin¹, Spindler, Rebecca², Wildt, David¹, ¹ Smithsonian's National Zoological Park, Front Royal, Virginia² Toronto Zoo, Scarborough, Ontario, Canada

T635. ONTOGENY OF ESTROGEN AND ANDROGEN RECEPTOR EXPRESSION IN PORCINE SERTOLI CELLS: EFFECT OF REDUCING LOCAL TESTICULAR ESTROGEN SYNTHESIS USING AN AROMATASE INHIBITOR. Ramesh, Revathi¹, Berger, Trish ¹, At-Taras, Eeman ¹, Pearl, Chris ¹, Conley, Alan¹, Roser, Janet¹, ¹ University of California, Davis, CA

W636. ESTROGEN INDUCES ALTERED LUMINAL EPITHELIAL HISTO-ARCHITECTURE AND INCREASED UTERINE GLAND DEVELOPMENT IN TIMP-1 NULL MICE. Zhang, Xuan¹, Nothnick, Warren¹, ¹ University of Kansas School of Medicine, Kansas City, KS

M637. OVARIAN ACTIVITY IS DIFFERENTIALLY REGULATED ACROSS THE BREEDING SEASON IN IMMATURE AS COMPARED TO ADULT AMERICAN CROWS (Corvus brachyrhynchos). Dougherty, Coventry ¹, Ross, Wallace², Young, Kelly¹, ¹ California State University, Long Beach, Long Beach, CA² Predator Management, San Diego, CA

T638. REDUCED FOLLICLE DEPLETION AND INCREASED SPERM QUALITY IN AGING MICE SELECTED FOR REPRODUCTIVE LONGEVITY. MacLaren, Leslie¹, Saccary, Laurelle¹, Logan, Sandra ¹, Farid, A. Hossain¹, ¹ Nova Scotia Agricultural College, Truro, NS, Canada

W639. DEVELOPMENT OF A MODEL FOR OVULATION OF FOLLICLES ORIGINATING FROM DIFFERENT FOLLICULAR WAVES IN EWES. Wurst, A.¹, Knights, M., Dailey, R., Inskeep, E., ¹ West Virginia University, Morgantown, WV

M640. MMPs IN BOVINE THECA CELLS. Rodgers, Raymond¹, Harland, M¹, Irving-Rodgers, Helen¹, ¹ University of Adelaide, Adelaide, SA, Australia

T641. CONNEXIN-43 HAS RELATION TO REGULATION OF GRANULOSA CELL APOPTOSIS DURING ATRESIA IN PIG OVARIAN FOLLICLES. Cheng, Yuan¹, Inoue, Naoko², Matsuda-Minehata, Fuko¹, Goto, Yasufumi¹, Maeda, Akihisa¹, Li, Junyou¹, Manabe, Noboru¹, ¹ University of Tokyo, Ibaraki-Iwama, Japan² Nagoya University, Nagoya, Japan

W642. APOPTOSIS IS REGULATED BY SOLUBLE FAS DURING LUTEOLYSIS IN LUTEAL CELLS OF MOUSE OVARIES. Manabe, Noboru¹, Komatsu, Kohji ¹, Kiso, Minako¹, Goto, Yasufumi¹, Anan, Sayuri ¹, Li, Junyou¹, ¹ University of Tokyo, Ibaraki-Iwama, Japan

M643. TESTOSTERONE VERSUS DIHYDROTESTOSTERONE IN THE DEVELOPING LUNG. Provost, Pierre^{1, 2}, Blomquist, Charles³, Tremblay, Yves^{1, 2}, ¹ Centre de Recherche du CHUL, Quebec, QC, Canada² Laval University, Quebec, QC, Canada³ University of Minnesota Medical School, Minneapolis, MN