Highlights:

Highlights
Biol Reprod 2007 77: 905. [Full Text] [PDF]  

Embryo:

Fengchao Wang, Zhaohui Kou, Yu Zhang, and Shaorong Gao

Dynamic Reprogramming of Histone Acetylation and Methylation in the First Cell Cycle of Cloned Mouse Embryos
Biol Reprod 2007 77: 1007-1016. [Abstract] [Full Text] [PDF]  

Summary: Lysine acetylation on core histones of somatic cell genome could be reprogrammed by enucleated oocyte through two different programs in somatic cloned embryos.

Female Reproductive Tract:

Alexis Parada-Bustamante, Pedro A Orihuela, Mariana Ríos, Patricia A Navarrete-Gómez, Catherina A Cuevas, Luis A Velasquez, Manuel J Villalón, and Horacio B Croxatto

Catechol-O-Methyltransferase and Methoxyestradiols Participate in the Intraoviductal Nongenomic Pathway Through Which Estradiol Accelerates Egg Transport in Cycling Rats
Biol Reprod 2007 77: 934-941. [Abstract] [Full Text] [PDF]  

Summary: Methoxyestradiols formed by COMT in the oviduct are essential components of an E2 nongenomic pathway that leads to accelerated egg transport in nonmated rats and mating shuts down this pathway up and downstream of methoxyestradiols

Kotaro Hama, Junken Aoki, Asuka Inoue, Tomoko Endo, Tomokazu Amano, Rie Motoki, Motomu Kanai, Xiaoqin Ye, Jerold Chun, Norio Matsuki, Hiroshi Suzuki, Masakatsu Shibasaki, and Hiroyuki Arai

Embryo Spacing and Implantation Timing Are Differentially Regulated by LPA3-Mediated Lysophosphatidic Acid Signaling in Mice
Biol Reprod 2007 77: 954-959. [Abstract] [Full Text] [PDF]  

Summary: In the establishment of early pregnancy, LPA3 signaling regulates two events; the embryo implantation mediated by prostaglandin signaling and the embryo spacing induced by uterine contraction

Erin M MacDonald, Alison Savoy, Amy Gillgrass, Sherie Fernandez, Marek Smieja, Kenneth L Rosenthal, Ali A Ashkar, and Charu Kaushic

Susceptibility of Human Female Primary Genital Epithelial Cells to Herpes Simplex Virus, Type-2 and the Effect of TLR3 Ligand and Sex Hormones on Infection
Biol Reprod 2007 77: 1049-1059. [Abstract] [Full Text] [PDF]  

Summary: An ex vivo model of human primary genital epithelium has been used to demonstrate the susceptibility of female genital epithelium to HSV; this system provides useful information to understand how sexually transmitted viruses cross female genital mucosa

Gamete Biology:

George G Ignotz, Margaret Y Cho, and Susan S Suarez

Annexins Are Candidate Oviductal Receptors for Bovine Sperm Surface Proteins and Thus May Serve to Hold Bovine Sperm in the Oviductal Reservoir
Biol Reprod 2007 77: 906-913. [Abstract] [Full Text] [PDF]  

Summary: Annexins 1, 2, 4, and 5 are candidate oviductal receptors for bull sperm surface proteins PDC109, BSPA3, and BSP30K and thus may play a key role in holding sperm in the oviductal reservoir

Liane M Correa, Alysia Thomas, and Stuart A Meyers

The Macaque Sperm Actin Cytoskeleton Reorganizes in Response to Osmotic Stress and Contributes to Morphological Defects and Decreased Motility
Biol Reprod 2007 77: 942-953. [Abstract] [Full Text] [PDF] [Supplemental Movies]  

Summary: Hyperosmotic stress induces reorganization of the macaque sperm actin cytoskeleton which in turn leads to altered sperm function, suggesting a mechanism in which F-actin disruption contributes to sub-lethal cell damage following cryopreservation

Sonya M Schuh, Bertil Hille, and Donner F Babcock

Adenosine and Catecholamine Agonists Speed the Flagellar Beat of Mammalian Sperm by a Non-Receptor-Mediated Mechanism
Biol Reprod 2007 77: 960-969. [Abstract] [Full Text] [PDF] Supplemental Data  

Summary: Analogs of adenosine and catecholamines activate sperm motility in a pathway that does not use conventional cell-surface receptors but instead may involve transport into the cell via transporters

Immunology:

Tracy L Davis and Joy L Pate

Bovine Luteal Cells Stimulate Proliferation of Major Histocompatibility Nonrestricted Gamma Delta T Cells
Biol Reprod 2007 77: 914-922. [Abstract] [Full Text] [PDF]  

Summary: Gamma Delta T cells, which are a unique subset of resident T cells that are not MHC restricted, are the primary T cell subset that is activated by interaction with luteal cells in vitro

Mechanisms of Hormone Action:

Takashi Ohta, Hideyuki Miyake, Chiemi Miura, Hiroyasu Kamei, Katsumi Aida, and Takeshi Miura

Follicle-Stimulating Hormone Induces Spermatogenesis Mediated by Androgen Production in Japanese Eel, Anguilla japonica
Biol Reprod 2007 77: 970-977. [Abstract] [Full Text] [PDF]  

Summary: The main function of follicle-stimulating hormone is to induce spermatogenesis via stimulation of androgen, 11-ketotestosterone production

Neuroendocrinology:

Heather A Ferris, Heidi E Walsh, Jonathan Stevens, Patricia C Fallest, and Margaret A Shupnik

Luteinizing Hormone Beta Promoter Stimulation by Adenylyl Cyclase and Cooperation with Gonadotropin-Releasing Hormone 1 in Transgenic Mice and LBetaT2 Cells
Biol Reprod 2007 77: 1073-1080. [Abstract] [Full Text] [PDF]  

Summary: Increased intracellular cAMP and pituitary adenylyl cyclase activating peptide (ADCYAP1) enhance GnRH1 stimulation of luteinizing hormone beta gene transcription through a NR5A1 transcription factor binding site in rodent and clonal pituitary cells

Ovary:

Elisabeth S Feary, Jennifer L Juengel, Peter Smith, Michelle C French, Anne R O'Connell, Stephen B Lawrence, Susan M Galloway, George H Davis, and Kenneth P McNatty

Patterns of Expression of Messenger RNAs Encoding GDF9, BMP15, TGFBR1, BMPR1B, and BMPR2 During Follicular Development and Characterization of Ovarian Follicular Populations in Ewes Carrying the Woodlands FecX2^W Mutation
Biol Reprod 2007 77: 990-998. [Abstract] [Full Text] [PDF]  

Summary: Ewes carrying the Woodlands gene, which enhances ovulation rate, have altered follicular populations and decreased expression of BMPR1B and BMP15 mRNA during follicular development

Pregnancy:

Koji Y Arai and Toshio Nishiyama

Developmental Changes in Extracellular Matrix Messenger RNAs in the Mouse Placenta During the Second Half of Pregnancy: Possible Factors Involved in the Regulation of Placental Extracellular Matrix Expression
Biol Reprod 2007 77: 923-933. [Abstract] [Full Text] [PDF] [Supplemental Figure]  

Summary: Expression of extracellular matrix mRNAs increases as the placenta develops; the expression is regulated by oxygen tension and nutrients rather than TGFB family members

Shaye K Lewis, Jennifer L Farmer, Robert C Burghardt, Gary R Newton, Greg A Johnson, David L Adelson, Fuller W Bazer, and Thomas E Spencer

Galectin 15 (LGALS15): A Gene Uniquely Expressed in the Uteri of Sheep and Goats that Functions in Trophoblast Attachment
Biol Reprod 2007 77: 1027-1036. [Abstract] [Full Text] [PDF]  

Summary: LGALS15 is expressed only in endometria of sheep and goats and is an attachment factor for trophectoderm cells

Testis:

Yu-Chyu Chen, Renate K Cochrum, Michael T Tseng, Dushan T Ghooray, Joseph P Moore, Stephen J Winters, and Barbara J Clark

Effects of CDB-4022 on Leydig Cell Function in Adult Male Rats
Biol Reprod 2007 77: 1017-1026. [Abstract] [Full Text] [PDF]  

Summary: CDB-4022 treatment decreases serum testosterone but increases progesterone levels, possibly via changes in intratesticular actin:inhibin ratio that result in decreased CYP17A1 and increased STAR expression in Leydig cells

Kuljeet S Vaid, Julian A Guttman, Roshni R Singaraja, and A. Wayne Vogl

A Kinesin Is Present at Unique Sertoli/Spermatid Adherens Junctions in Rat and Mouse Testes
Biol Reprod 2007 77: 1037-1048. [Abstract] [Full Text] [PDF]  

Summary: Kinesin at ectoplasmic specializations in Sertoli cells and the motor may be an isoform of KIF20.

Anca Nenicu, Georg H Lüers, Werner Kovacs, Martin Bergmann, and Eveline Baumgart-Vogt

Peroxisomes in Human and Mouse Testis: Differential Expression of Peroxisomal Proteins in Germ Cells and Distinct Somatic Cell Types of the Testis
Biol Reprod 2007 77: 1060-1072. [Abstract] [Full Text] [PDF] [Supplemental Data]  

Summary: Peroxisomes are present in germ cells and undergo significant alterations during spermiogenesis; peroxisomal functions are cell type specific, with the ones in Sertoli cells playing an important role in lipid metabolism of the seminiferous epithelium

Toxicology:

Kamin J Johnson, Janan B Hensley, Michael D Kelso, Duncan G Wallace, and Kevin W Gaido

Mapping Gene Expression Changes in the Fetal Rat Testis Following Acute Dibutyl Phthalate Exposure Defines a Complex Temporal Cascade of Responding Cell Types
Biol Reprod 2007 77: 978-989. [Abstract] [Full Text] [PDF] [Supplemental Data]  

Summary: Acute fetal phthalate exposure produces a complex testicular cellular response characterized by early gene changes in peritubular myoid cells

Richard J Maunder, Peter Matthiessen, John P Sumpter, and Tom G Pottinger

Impaired Reproduction in Three-Spined Sticklebacks Exposed to Ethinyl Estradiol as Juveniles
Biol Reprod 2007 77: 999-1006. [Abstract] [Full Text] [PDF]  

Summary: An exposure to ethinyl estradiol during juvenile development can alter the reproductive output of free-breeding adult sticklebacks, even in fish that have a normal histological appearance

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