Highlights:

Highlights
Biol Reprod 2007 76: 925. [Full Text] [PDF]  

Embryo:

Annegret Wuensch, Felix A. Habermann, Satoshi Kurosaka, Regina Klose, Valeri Zakhartchenko, Horst-Dieter Reichenbach, Fred Sinowatz, K. John McLaughlin, and Eckhard Wolf

Quantitative Monitoring of Pluripotency Gene Activation after Somatic Cloning in Cattle
Biol Reprod 2007 76: 983-991. [Abstract] [Full Text] [PDF] [Supplemental Figure]  

Summary: A Pou5f1-EGFP reporter gene construct is a functional tool for studying the Pou5f1 promoter activation after nuclear transfer in cattle

Gamete Biology:

Roderick Nigel Finn

The Maturational Disassembly and Differential Proteolysis of Paralogous Vitellogenins in a Marine Pelagophil Teleost: A Conserved Mechanism of Oocyte Hydration
Biol Reprod 2007 76: 936-948. [Abstract] [Full Text] [PDF]  

Summary: Conserved cleavage sites of the maturational proteolytic events in vertebrate vitellogenins are revealed to yield a model of yolk proteolysis and the origin of the organic free amino acid pool that drives hydration of the oocyte

Susan L. Barrett and David F. Albertini

Allocation of Gamma-Tubulin Between Oocyte Cortex and Meiotic Spindle Influences Asymmetric Cytokinesis in the Mouse Oocyte
Biol Reprod 2007 76: 949-957. [Abstract] [Full Text] [PDF]  

Summary: First polar body extrusion in mouse oocytes is modulated by differential allocation of gamma-tubulin between the cortex and meiotic spindle during in vitro maturation

Lucie Nemcová, Eva Nagyová, Michal Petlach, Milan Tománek, and Radek Procházka

Molecular Mechanisms of Insulin-Like Growth Factor 1 Promoted Synthesis and Retention of Hyaluronic Acid in Porcine Oocyte-Cumulus Complexes
Biol Reprod 2007 76: 1016-1024. [Abstract] [Full Text] [PDF]  

Summary: IGF1 acts synergistically with FSH to activate AKT and MAPK3/1 signaling pathways in pig oocyte-cumulus complexes and to promote synthesis of hyaluronic acid and its retention within cumulus cells

Immunology:

Silke Jantra, Elisa Bigliardi, Rossana Brizzi, Francesca Ietta, Nicoletta Bechi, and Luana Paulesu

Interleukin 1 in Oviductal Tissues of Viviparous, Oviparous, and Ovuliparous Species of Amphibians
Biol Reprod 2007 76: 1009-1015. [Abstract] [Full Text] [PDF]  

Summary: The progressive increase in the cell types expressing IL1B and IL1R1 in reproductive tissues of amphibians from ovuliparity to oviparity and viviparity suggests differential roles for IL1 system in the various reproductive modes

Male Reproductive Tract:

M.A. Palladino, T.A. Johnson, R. Gupta, J.L. Chapman, and P. Ojha

Members of the Toll-Like Receptor Family of Innate Immunity Pattern-Recognition Receptors Are Abundant in the Male Rat Reproductive Tract
Biol Reprod 2007 76: 958-964. [Abstract] [Full Text] [PDF]  

Summary: Toll-like receptors, which are important pathogen-recognition receptor molecules required for innate immunity, are widely expressed in the testis and epididymis

Evemie Dubé, Peter T.K. Chan, Louis Hermo, and Daniel G. Cyr

Gene Expression Profiling and Its Relevance to the Blood-Epididymal Barrier in the Human Epididymis
Biol Reprod 2007 76: 1034-1044. [Abstract] [Full Text] [PDF] [Supplemental Tables]  

Summary: The human epididymis displays a complex gene expression pattern including several genes that are implicated in the formation of the blood-epididymal barrier

C.A. Herbert, D.C. Eckery, T.E. Trigg, and D.W. Cooper

Chronic Treatment of Male Tammar Wallabies with Deslorelin Implants During Pouch Life: Effects on Development, Puberty, and Reproduction in Adulthood
Biol Reprod 2007 76: 1054-1061. [Abstract] [Full Text] [PDF]  

Summary: Pre-pubertal GnRH agonist treatment retards neuroendocrine and testicular development during infancy, but does not alter the timing of puberty in male tammar wallabies

Maria Christina W. Avellar, Luciana Honda, Katherine G. Hamil, Yashwanth Radhakrishnan, Suresh Yenugu, Gail Grossman, Peter Petrusz, Frank S. French, and Susan H. Hall

Novel Aspects of the Sperm-Associated Antigen 11 (SPAG11) Gene Organization and Expression in Cattle (Bos taurus)
Biol Reprod 2007 76: 1103-1116. [Abstract] [Full Text] [PDF] [Supplemental Data]  

Summary: Bovine SPAG11 gene presents conserved chromosomal location within a cluster of beta-defensin genes, multiple transcripts, species-specific exons, abundant expression in the male reproductive tract, association with sperm and antibacterial activity

Minireviews:

Roderick Nigel Finn

Vertebrate Yolk Complexes and the Functional Implications of Phosvitins and Other Subdomains in Vitellogenins
Biol Reprod 2007 76: 926-935. [Abstract] [Full Text] [PDF]  

Summary: A review of vitellogenin-derived yolk protein conjugates and putative functions of the phosvitin and von Willebrand domains is presented

Ovary:

Koumei Shirasuna, Takashi Shimizu, Ken-Go Hayashi, Kaya Nagai, Motozumi Matsui, and Akio Miyamoto

Positive Association, in Local Release, of Luteal Oxytocin with Endothelin 1 and Prostaglandin F_2alpha During Spontaneous Luteolysis in the Cow: A Possible Intermediatory Role for Luteolytic Cascade Within the Corpus Luteum
Biol Reprod 2007 76: 965-970. [Abstract] [Full Text] [PDF]  

Summary: Intraluteal OT may locally modulate secretion of vasoactive substances, particularly EDN1 and PGF2alpha within the CL, and thus might be one of the luteal mediators of spontaneous luteolysis in the cow

Irina Neganova, Hind Al-Qassab, Helen Heffron, Colin Selman, Agharul I. Choudhury, Steven J. Lingard, Ivan Diakonov, Michael Patterson, Mohammad Ghatei, Stephen R. Bloom, Stephen Franks, Ilpo Huhtaniemi, Kate Hardy, and Dominic J. Withers

Role of Central Nervous System and Ovarian Insulin Receptor Substrate 2 Signaling in Female Reproductive Function in the Mouse
Biol Reprod 2007 76: 1045-1053. [Abstract] [Full Text] [PDF]  

Summary: Insulin receptor substrate 2 signaling acts in the ovary but not the central nervous system to regulate female reproductive function in mice

Kimberly R. Barnett, Dragana Tomic, Rupesh K. Gupta, Kimberly P. Miller, Sharon Meachum, Tessie Paulose, and Jodi A. Flaws

The Aryl Hydrocarbon Receptor Affects Mouse Ovarian Follicle Growth via Mechanisms Involving Estradiol Regulation and Responsiveness
Biol Reprod 2007 76: 1062-1070. [Abstract] [Full Text] [PDF]  

Summary: The aryl hydrocarbon receptor (AHR) affects mouse ovarian follicle growth via mechanisms involving estradiol regulation and responsiveness

Pituitary:

Weiming Zheng, Mercedes Jimenez-Linan, Beverly S. Rubin, and Lisa M. Halvorson

Anterior Pituitary Gene Expression with Reproductive Aging in the Female Rat
Biol Reprod 2007 76: 1091-1102. [Abstract] [Full Text] [PDF]  

Summary: Gene-specific blunting of pituitary gene expression postovariectomy and during the steroid-induced surge in middle-aged female rats may contribute to reproductive senescence

Pregnancy:

J. Lartey, M. Smith, J. Pawade, B. Strachan, H. Mellor, and A. López Bernal

Up-Regulation of Myometrial RHO Effector Proteins (PKN1 and DIAPH1) and CPI-17 (PPP1R14A) Phosphorylation in Human Pregnancy Is Associated with Increased GTP-RHOA in Spontaneous Preterm Labor
Biol Reprod 2007 76: 971-982. [Abstract] [Full Text] [PDF]  

Summary: Human pregnancy is associated with upregulated expression of RHO effector proteins PKN1 and DIAPH1 and PPP1R14A phosphorylation in myometrium, whilst idiopathic preterm labor is characterized by an increase in GTP-bound RHOA

Reproductive Technology:

Yasuhiro Yamauchi and Monika A. Ward

Preservation of Ejaculated Mouse Spermatozoa from Fertile C57BL/6 and Infertile Hook1/Hook1 Mice Collected from the Uteri of Mated Females
Biol Reprod 2007 76: 1002-1008. [Abstract] [Full Text] [PDF]  

Summary: ICSI with ejaculated sperm from fertile C57BL/6 and infertile Hook1/Hook1 males preserved by cryopreservation and rapid freezing results in viable offspring with similar efficiency for both types of males and both preservation methods

Testis:

Rumela Chakrabarti, Douglas Kline, Jing Lu, Joanne Orth, Stephen Pilder, and Srinivasan Vijayaraghavan

Analysis of Ppp1cc-Null Mice Suggests a Role for PP1gamma2 in Sperm Morphogenesis
Biol Reprod 2007 76: 992-1001. [Abstract] [Full Text] [PDF]  

Summary: Testicular spermatids of Ppp1cc-null mice are malformed, suggesting a role for the protein phosphatase 1 gamma isoform in sperm tail morphogenesis

Mingang Xu and Norman B. Hecht

Polypyrimidine Tract Binding Protein 2 Stabilizes Phosphoglycerate Kinase 2 mRNA in Murine Male Germ Cells by Binding to Its 3'UTR
Biol Reprod 2007 76: 1025-1033. [Abstract] [Full Text] [PDF]  

Summary: Polypyrimidine tract binding protein 2 is a trans-acting factor that helps stabilize phosphoglycerate kinase 2 mRNA in male germ cells of the mouse

Jonathan A. Schmidt, Jeanene M. de Avila, and Derek J. McLean

Analysis of Gene Expression in Bovine Testis Tissue Prior to Ectopic Testis Tissue Xenografting and During the Grafting Period
Biol Reprod 2007 76: 1071-1080. [Abstract] [Full Text] [PDF]  

Summary: Differential gene expression in bovine testis may contribute to the efficiency of sperm production in bovine ectopic testis tissue xenografts

Tomohiko Wakayama, Yoshimichi Sai, Akihiko Ito, Yukio Kato, Miho Kurobo, Yoshinori Murakami, Emi Nakashima, Akira Tsuji, Yukihiko Kitamura, and Shoichi Iseki

Heterophilic Binding of the Adhesion Molecules Poliovirus Receptor and Immunoglobulin Superfamily 4A in the Interaction Between Mouse Spermatogenic and Sertoli Cells
Biol Reprod 2007 76: 1081-1090. [Abstract] [Full Text] [PDF]  

Summary: The heterophilic binding between adhesion molecules poliovirus receptor and immunoglobulin superfamily 4A is responsible for the interaction between Sertoli and spermatogenic cells during mouse spermatogenesis

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