Highlights:

Highlights
Biol Reprod 2008 78: 795. [Full Text] [PDF]  

Gamete Biology:

V.J. Grant, R.J. Irwin, N.T. Standley, A.N. Shelling, and L.W. Chamley

Sex of Bovine Embryos May Be Related to Mothers' Preovulatory Follicular Testosterone
Biol Reprod 2008 78: 812-815. [Abstract] [Full Text] [PDF]  

Summary: The level of maternal preovulatory follicular testosterone in vivo may be related to the subsequent sex of the embryo, produced in vitro

Chiaki Maeda, Shun Sato, Naoko Hattori, Satoshi Tanaka, Shintaro Yagi, and Kunio Shiota

DNA Hypomethylation Circuit of the Mouse Oocyte-Specific Histone H1foo Gene in Female Germ Cell Lineage
Biol Reprod 2008 78: 816-821. [Abstract] [Full Text] [PDF] [Supplemental Table]  

Summary: The upstream region of the oocyte-specific histone H1foo gene is uniquely unmethylated throughout female germ cell development; the unmethylated status of DNA is essential for gene expression

Rebecca M. Perrett, Lee Turnpenny, Judith J. Eckert, Marie O'Shea, Si Brask Sonne, Iain T. Cameron, David I. Wilson, Ewa Rajpert-De Meyts, and Neil A. Hanley

The Early Human Germ Cell Lineage Does Not Express SOX2 During In Vivo Development or upon In Vitro Culture
Biol Reprod 2008 78: 852-858. [Abstract] [Full Text] [PDF] Supplemental Tables  

Summary: The transcription factor SOX2 is not detected in human primordial germ cells, in contrast to their murine counterparts, highlighting a major interspecies difference relevant to both gamete and stem cell biology.

Julie Girouard, Gilles Frenette, and Robert Sullivan

Seminal Plasma Proteins Regulate the Association of Lipids and Proteins Within Detergent-Resistant Membrane Domains of Bovine Spermatozoa
Biol Reprod 2008 78: 921-931. [Abstract] [Full Text] [PDF] [Supplemental Data]  

Summary: Detergent-resistant membrane (DRM) domains of ejaculated bovine spermatozoa are reorganized by NPC2 which induces lipid efflux as well as dissociation of DRM-anchored proteins

Male Reproductive Tract:

Brett Nixon, Russell C. Jones, and Michael K. Holland

Molecular and Functional Characterization of the Rabbit Epididymal Secretory Protein 52, REP52
Biol Reprod 2008 78: 910-920. [Abstract] [Full Text] [PDF]  

Summary: Binding of the rabbit epididymal secretory protein, REP52, to spermatozoa is associated with the acquisition of their functional maturity

Christopher Bond, Yi Tang, and Carol A. Podlasek

Neural Influences on Sonic Hedgehog and Apoptosis in the Rat Penis
Biol Reprod 2008 78: 947-956. [Abstract] [Full Text] [PDF]  

Summary: Neural activity and a trophic factor from the pelvic ganglia/CN influences SHH protein abundance and induction of smooth muscle apoptosis in the penis

Mechanisms of Hormone Action:

Denise Vizziano, Daniel Baron, Gwenaëlle Randuineau, Sophie Mahè, Chantal Cauty, and Yann Guiguen

Rainbow Trout Gonadal Masculinization Induced by Inhibition of Estrogen Synthesis Is More Physiological Than Masculinization Induced by Androgen Supplementation
Biol Reprod 2008 78: 939-946. [Abstract] [Full Text] [PDF] [Supplemental Table]  

Summary: Gonad fish masculinization, induced by the inhibition of estrogen synthesis capacity, restores a pattern of gene expression similar to that observed during natural testis differentiation.

Minireviews:

Ghylène Goudet, Sylvie Mugnier, Isabelle Callebaut, and Philippe Monget

Phylogenetic Analysis and Identification of Pseudogenes Reveal a Progressive Loss of Zona Pellucida Genes During Evolution of Vertebrates
Biol Reprod 2008 78: 796-806. [Abstract] [Full Text] [PDF] [Supplemental Data]  

Summary: The evolution of the zona pellucida gene family is clarified to provide new directions for investigation of the molecular basis of sperm-egg recognition in mammals

Neuroendocrinology:

Aída Uribe, Teresa Zariñán, Marco A. Pérez-Solis, Rubén Gutiérrez-Sagal, Eduardo Jardón-Valadez, Ángel Piñeiro, James A. Dias, and Alfredo Ulloa-Aguirre

Functional and Structural Roles of Conserved Cysteine Residues in the Carboxyl-Terminal Domain of the Follicle-Stimulating Hormone Receptor in Human Embryonic Kidney 293 Cells
Biol Reprod 2008 78: 869-882. [Abstract] [Full Text] [PDF] [Supplemental Data]  

Summary: Palmitoylation of cysteine residues of the human FSH receptor carboxyl-terminal domain is essential for its expression.

Ovary:

Junichi Komiyama, Ryo Nishimura, Hwa-Yong Lee, Ryosuke Sakumoto, Masafumi Tetsuka, Tomas J. Acosta, Dariusz J. Skarzynski, and Kiyoshi Okuda

Cortisol Is a Suppressor of Apoptosis in Bovine Corpus Luteum
Biol Reprod 2008 78: 888-895. [Abstract] [Full Text] [PDF]  

Summary: Cortisol is a suppressor of apoptosis in bovine corpus luteum.

Eva Nagyova, Antonella Camaioni, Radek Prochazka, Anthony J. Day, and Antonietta Salustri

Synthesis of Tumor Necrosis Factor Alpha-Induced Protein 6 in Porcine Preovulatory Follicles: A Study with A38 Antibody
Biol Reprod 2008 78: 903-909. [Abstract] [Full Text] [PDF]  

Summary: TNFAIP6, which is synthesized by cumulus cells in porcine follicle, is not absolutely necessary for cumulus extracellular matrix formation

Pregnancy:

Miao Chang, Debashree Mukherjea, Ryan M. Gobble, Kathleen A. Groesch, Ronald J. Torry, and Donald S. Torry

Glial Cell Missing 1 Regulates Placental Growth Factor (PGF) Gene Transcription in Human Trophoblast
Biol Reprod 2008 78: 841-851. [Abstract] [Full Text] [PDF]  

Summary: The transcription factor glial cell missing 1 (GCM1), selectively produced in trophoblast, augments transcriptional activity of human placenta growth factor (PGF) gene in trophoblast

Eric C. Su, Kirby L. Johnson, Hocine Tighiouart, and Diana W. Bianchi

Murine Maternal Cell Microchimerism: Analysis Using Real-Time PCR and In Vivo Imaging
Biol Reprod 2008 78: 883-887. [Abstract] [Full Text] [PDF] [Supplemental Tables]  

Summary: Maternal cell microchimerism is a widespread occurrence in mice and may be influenced by maternal and neonatal factors.

Reproductive Technology:

Hiroshi Ohta, Yuko Sakaide, and Teruhiko Wakayama

The Birth of Mice from Testicular Spermatozoa Retrieved from Frozen Testicular Sections
Biol Reprod 2008 78: 807-811. [Abstract] [Full Text] [PDF] [Supplemental Figure]  

Summary: Testicular spermatozoa prepared from frozen testicular sections promote the development of normal progeny after injection into oocytes

Angelica M. Giraldo, Darin A. Hylan, Casey B. Ballard, Megan N. Purpera, Todd D. Vaught, John W. Lynn, Robert A. Godke, and Kenneth R. Bondioli

Effect of Epigenetic Modifications of Donor Somatic Cells on the Subsequent Chromatin Remodeling of Cloned Bovine Embryos
Biol Reprod 2008 78: 832-840. [Abstract] [Full Text] [PDF]  

Summary: Expression levels of DNA methyltransferase 1 in donor cells may influence the developmental potential of cloned embryos

Ingrid Segers, Tom Adriaenssens, Wim Coucke, Rita Cortvrindt, and Johan Smitz

Timing of Nuclear Maturation and Postovulatory Aging in Oocytes of In Vitro-Grown Mouse Follicles with or Without Oil Overlay
Biol Reprod 2008 78: 859-868. [Abstract] [Full Text] [PDF]  

Summary: Mineral oil overlay during in vitro growth of mouse oocytes induced a progesterone-independent delay in nuclear maturation

Wei Yan, Kazuto Morozumi, Jie Zhang, Seungil Ro, Chanjae Park, and Ryuzo Yanagimachi

Birth of Mice after Intracytoplasmic Injection of Single Purified Sperm Nuclei and Detection of Messenger RNAs and MicroRNAs in the Sperm Nuclei
Biol Reprod 2008 78: 896-902. [Abstract] [Full Text] [PDF]  

Summary: Sperm nuclei contain RNA, and injection of single sperm nuclei into eggs can produce normal pups in mice

Toxicology:

Michael G. Wade, Alice Kawata, Andrew Williams, and Carole Yauk

Methoxyacetic Acid-Induced Spermatocyte Death Is Associated with Histone Hyperacetylation in Rats
Biol Reprod 2008 78: 822-831. [Abstract] [Full Text] [PDF]  

Summary: The death of pachytene spermatocytes in response to methoxyacetic acid exposure is preceded by a marked increase in acetylation of the amino terminal tails of histones H3 and H4 possibly due to inhibition of histone deacetylase activity

Matthew R. Milnes, Teresa A. Bryan, Yoshinao Katsu, Satomi Kohno, Brandon C. Moore, Taisen Iguchi, and Louis J. Guillette, Jr.

Increased Posthatching Mortality and Loss of Sexually Dimorphic Gene Expression in Alligators (Alligator mississippiensis) from a Contaminated Environment
Biol Reprod 2008 78: 932-938. [Abstract] [Full Text] [PDF]  

Summary: Embryonic exposure to environmental contaminants increases mortality and alters mRNA expression in alligators one year after hatching

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