Highlights:

Highlights
Biol Reprod 2006 74: 771. [Full Text] [PDF]  

Embryo:

Lioudmila Romanova, Farida Korobova, Ekaterina Noniashvilli, Andrei Dyban, and Olga Zatsepina

High Resolution Mapping of Ribosomal DNA in Early Mouse Embryos by Fluorescence In Situ Hybridization
Biol Reprod 2006 74: 807-815. [Abstract] [Full Text] [PDF]  

Summary: The nucleolar precursor bodies assembled in one- and two-mouse cell embryos are heterogeneous in their ability to recruit rRNA genes

Nguyen Van Thuan, Sayaka Wakayama, Satoshi Kishigami, Hiroshi Ohta, Takafusa Hikichi, Eiji Mizutani, Hong-Thuy Bui, and Teruhiko Wakayama

Injection of Somatic Cell Cytoplasm into Oocytes Before Intracytoplasmic Sperm Injection Impairs Full-Term Development and Increases Placental Weight in Mice
Biol Reprod 2006 74: 865-873. [Abstract] [Full Text] [PDF]  

Summary: The injection of somatic cytoplasm into oocytes before ICSI causes a decrease in preimplantation development, clearly impairs full-term development, and causes placental overgrowth in fertilized embryos

Melanie L. Sutton-McDowall, Megan Mitchell, Pablo Cetica, Gabriel Dalvit, Marie Pantaleon, Michelle Lane, Robert B. Gilchrist, and Jeremy G. Thompson

Glucosamine Supplementation During In Vitro Maturation Inhibits Subsequent Embryo Development: Possible Role of the Hexosamine Pathway as a Regulator of Developmental Competence
Biol Reprod 2006 74: 881-888. [Abstract] [Full Text] [PDF]  

Summary: Glucosamine addition during IVM of bovine and porcine oocytes inhibits embryo development to the blastocyst stage

Humphrey Hung-Chang Yao, Jorie Aardema, and Kirsten Holthusen

Sexually Dimorphic Regulation of Inhibin Beta B in Establishing Gonadal Vasculature in Mice
Biol Reprod 2006 74: 978-983. [Abstract] [Full Text] [PDF]  

Summary: WNT4 and follistatin antagonize inhibin beta B in the embryonic ovary to prevent the formation of testis vasculature

Female Reproductive Tract:

Jorunn M. Andersen, Dina Al-Khairy, and Robin R. Ingalls

Innate Immunity at the Mucosal Surface: Role of Toll-Like Receptor 3 and Toll-Like Receptor 9 in Cervical Epithelial Cell Responses to Microbial Pathogens
Biol Reprod 2006 74: 824-831. [Abstract] [Full Text] [PDF]  

Summary: Cervical epithelium expresses functional TLR3 and TLR9, but not TLR7/8

Zhanquan Shi, Koji Y. Arai, Wanzhu Jin, Qiang Weng, Gen Watanabe, Akira K. Suzuki, and Kazuyoshi Taya

Expression of Nerve Growth Factor and Its Receptors NTRK1 and TNFRSF1B Is Regulated by Estrogen and Progesterone in the Uteri of Golden Hamsters
Biol Reprod 2006 74: 850-856. [Abstract] [Full Text] [PDF]  

Summary: Nerve growth factor (NGF) and its receptors NTRK1 and TNFRSF1B are distributed in uterus of golden hamster, expressed cyclically, and stimulated by estrogen and progesterone during the estrous cycle.

Gamete Biology:

Nguyen Van Thuan, Sayaka Wakayama, Satoshi Kishigami, and Teruhiko Wakayama

Donor Centrosome Regulation of Initial Spindle Formation in Mouse Somatic Cell Nuclear Transfer: Roles of Gamma-Tubulin and Nuclear Mitotic Apparatus Protein 1
Biol Reprod 2006 74: 777-787. [Abstract] [Full Text] [PDF]  

Summary: Initial assembly of a metaphase-like spindle is regulated by the centrosome from the donor cell, and donor cell NUMA1 is not affected by this process but contributes to the organic poles of the bipolar spindle

Danielle E. Buttke, Jacquelyn L. Nelson, Peter N. Schlegel, Gary R. Hunnicutt, and Alexander J. Travis

Visualization of G_M1 with Cholera Toxin B in Live Epididymal Versus Ejaculated Bull, Mouse, and Human Spermatozoa
Biol Reprod 2006 74: 889-895. [Abstract] [Full Text] [PDF]  

Summary: Visualization of the ganglioside GM1 is obscured in ejaculated spermatozoa by seminal vesicle secretions in the bull, mouse, and human; the head of epididymal sperm, GM1 is segregated to a membrane subdomain overlying the acrosome

Lucie Jelínková and Michal Kubelka

Neither Aurora B Activity nor Histone H3 Phosphorylation Is Essential for Chromosome Condensation During Meiotic Maturation of Porcine Oocytes
Biol Reprod 2006 74: 905-912. [Abstract] [Full Text] [PDF]  

Summary: Aurora B and histone H3 phosphorylation are not required for chromosome condensation during pig oocyte maturation

George A. Thouas, Alan O. Trounson, and Gayle M. Jones

Developmental Effects of Sublethal Mitochondrial Injury in Mouse Oocytes
Biol Reprod 2006 74: 969-977. [Abstract] [Full Text] [PDF]  

Summary: Low-level mitochondrial dysfunction in mouse oocytes is heritable and can negatively affect fetal development

Male Reproductive Tract:

Hong Chen, Genevieve Griffiths, Deni S. Galileo, and Patricia A. Martin-DeLeon

Epididymal SPAM1 Is a Marker for Sperm Maturation in the Mouse
Biol Reprod 2006 74: 923-930. [Abstract] [Full Text] [PDF]  

Summary: In vitro acquisition of murine epididymal SPAM1 on sperm enhances cumulus penetration efficiency

Michael A. Nolan, Leeying Wu, Hyun J. Bang, Scott A. Jelinsky, Kenneth P. Roberts, Terry T. Turner, Gregory S. Kopf, and Daniel S. Johnston

Identification of Rat Cysteine-Rich Secretory Protein 4 (Crisp4) as the Ortholog to Human CRISP1 and Mouse Crisp4
Biol Reprod 2006 74: 984-991. [Abstract] [Full Text] [PDF] Supplemental Figures  

Summary: Rat Crisp4 is the ortholog of human CRISP1 and mouse Crisp4; it is solely expressed in the male reproductive tract and associates with spermatozoa in the epididymis

Minireviews:

Holger Stepan, Renaldo Faber, Nadja Dornhöfer, Berthold Huppertz, Andrea Robitzki, and Thomas Walther

New Insights into the Biology of Preeclampsia
Biol Reprod 2006 74: 772-776. [Abstract] [Full Text] [PDF]  

Summary: This review is focused on the most recent insights into the biology of preeclampsia and hypothesizes possible links between factors like angiogenesis and the involvement of G-protein coupled receptors

Neuroendocrinology:

Justyna Pielecka and Suzanne M. Moenter

Effect of Steroid Milieu on Gonadotropin-Releasing Hormone-1 Neuron Firing Pattern and Luteinizing Hormone Levels in Male Mice
Biol Reprod 2006 74: 931-937. [Abstract] [Full Text] [PDF]  

Summary: Androgens in combination with estradiol activate GnRH neurons while suppressing pituitary response

Ovary:

Ten-Tsao Wong, Shigeho Ijiri, and Yonathan Zohar

Molecular Biology of Ovarian Aromatase in Sex Reversal: Complementary DNA and 5'-Flanking Region Isolation and Differential Expression of Ovarian Aromatase in the Gilthead Seabream (Sparus aurata)
Biol Reprod 2006 74: 857-864. [Abstract] [Full Text] [PDF]  

Summary: The differential expression of aromatase transcript is associated with sex reversal, and gonadotropin signals (particularly LH) may serve as major players in controlling the expression of aromatase.

Pituitary:

Amy M. Navratil, Todd A. Farmerie, Jan Bogerd, Terry M. Nett, and Colin M. Clay

Differential Impact of Intracellular Carboxyl Terminal Domains on Lipid Raft Localization of the Murine Gonadotropin-Releasing Hormone Receptor
Biol Reprod 2006 74: 788-797. [Abstract] [Full Text] [PDF]  

Summary: The presence of a heterologous intracellular C-terminus alters the localization of the mammalian type I GNRH receptor to lipid rafts

Pregnancy:

Dong-bao Chen, Steve Jia, Adam G. King, Adrian Barker, Su-min Li, Eugenia Mata-Greenwood, Jing Zheng, and Ronald R. Magness

Global Protein Expression Profiling Underlines Reciprocal Regulation of Caveolin 1 and Endothelial Nitric Oxide Synthase Expression in Ovariectomized Sheep Uterine Artery by Estrogen/Progesterone Replacement Therapy
Biol Reprod 2006 74: 832-838. [Abstract] [Full Text] [PDF]  

Summary: Decreased uterine artery caveolin 1 facilitates nitric oxide-mediated uterine vasodilatation because estrogen and progesterone increase NOS3; only estrogen, but not progesterone, decreases caveolin I expression in association with uterine vasodilation

Oksana Shynlova, Alexandra Oldenhof, Anna Dorogin, Quang Xu, Junwu Mu, Natty Nashman, and Stephen J. Lye

Myometrial Apoptosis: Activation of the Caspase Cascade in the Pregnant Rat Myometrium at Midgestation
Biol Reprod 2006 74: 839-849. [Abstract] [Full Text] [PDF]  

Summary: There are two distinct phases of myometrial growth in the pregnant uterus: hyperplasia and hypertrophy, and the transition between phases is associated with the activation of caspase cascade that triggers the differentiation of uterine smooth muscle.

Natalie J. Hannan, Rebecca L. Jones, Christine A. White, and Lois A. Salamonsen

The Chemokines, CX3CL1, CCL14, and CCL4, Promote Human Trophoblast Migration at the Feto-Maternal Interface
Biol Reprod 2006 74: 896-904. [Abstract] [Full Text] [PDF]  

Summary: The expression and function of CX3C and CC chemokine ligand-receptor networks present at the human feto-maternal interface support a role for these chemokines in regulating trophoblast migration during the early events of embryo implantation

Gwonhwa Song, Fuller W. Bazer, Graham F. Wagner, and Thomas E. Spencer

Stanniocalcin (STC) in the Endometrial Glands of the Ovine Uterus: Regulation by Progesterone and Placental Hormones
Biol Reprod 2006 74: 913-922. [Abstract] [Full Text] [PDF]  

Summary: STC1 is regulated by progesterone and placental hormones, secreted by the endometrial glands, and hypothesized to regulate growth and differentiation of the fetus and placenta

P.A. Elustondo, G.E. Hannigan, I. Caniggia, and D.J. MacPhee

Integrin-Linked Kinase (ILK) Is Highly Expressed in First Trimester Human Chorionic Villi and Regulates Migration of a Human Cytotrophoblast-Derived Cell Line
Biol Reprod 2006 74: 959-968. [Abstract] [Full Text] [PDF]  

Summary: ILK is highly expressed in human chorionic villi and regulates migration of a human trophoblast cell line

Testis:

Gerard A. Tarulli, Peter G. Stanton, Alexander Lerchl, and Sarah J. Meachem

Adult Sertoli Cells Are Not Terminally Differentiated in the Djungarian Hamster: Effect of FSH on Proliferation and Junction Protein Organization
Biol Reprod 2006 74: 798-806. [Abstract] [Full Text] [PDF]  

Summary: Adult Sertoli cells are not terminally differentiated in the Djungarian hamster, and FSH plays an important role in governing the differentiation process

C. Serres, K. Peoc'h, A.M. Courtot, C. Lesaffre, P. Jouannet, and J.L. Laplanche

Spatio-Developmental Distribution of the Prion-Like Protein Doppel in Mammalian Testis: A Comparative Analysis Focusing on Its Presence in the Acrosome of Spermatids
Biol Reprod 2006 74: 816-823. [Abstract] [Full Text] [PDF]  

Summary: Doppel is found in both germ cells and Sertoli cells of mouse, rat, boar, and human testes, with permanent expression in the Sertoli cells and transient location in the acrosome of spermatids of human testis

Charles M. Allan, Alvaro Garcia, Jenny Spaliviero, Mark Jimenez, and David J. Handelsman

Maintenance of Spermatogenesis by the Activated Human (Asp567Gly) FSH Receptor During Testicular Regression Due to Hormonal Withdrawal
Biol Reprod 2006 74: 938-944. [Abstract] [Full Text] [PDF]  

Summary: The human activated Asp567Gly mutant FSH receptor increases Sertoli and early germ cell development in adult transgenic mice, but has limited ability to maintain spermatogenesis or steroidogenic-like actions under gonadotropin/androgen-deficiency

Ravinder J.K. Anand-Ivell, Vandana Relan, Marga Balvers, Isabelle Coiffec-Dorval, Martin Fritsch, Ross A.D. Bathgate, and Richard Ivell

Expression of the Insulin-Like Peptide 3 (INSL3) Hormone-Receptor (LGR8) System in the Testis
Biol Reprod 2006 74: 945-953. [Abstract] [Full Text] [PDF]  

Summary: The LGR8 receptor for the peptide hormone INSL3 is expressed in both germ and Leydig cells of the testis, as shown by mRNA analysis, immunohistochemistry, and/or ligand binding

Sudha Srivastava, Prashant Desai, Evans Coutinho, and Girjesh Govil

Mechanism of Action of L-arginine on the Vitality of Spermatozoa is Primarily Through Increased Biosynthesis of Nitric Oxide
Biol Reprod 2006 74: 954-958. [Abstract] [Full Text] [PDF]  

Summary: L-arginine exerts its effects on spermatozoa through increased biosynthesis of nitric oxide.

Toxicology:

Kelly Brant, Wei Guan, Patricia Tithof, and Rita Loch Caruso

Gestation Age-Related Increase in 50-kDa Rat Uterine Calcium-Independent Phospholipase A2 Expression Influences Uterine Sensitivity to Polychlorinated Biphenyl Stimulation
Biol Reprod 2006 74: 874-880. [Abstract] [Full Text] [PDF]  

Summary: Pregnant rat uterine tissue exhibits PLA2G6 activity; increases in uterine PLA2G6 expression and activity with advancing gestation influence sensitivity to stimulation by PCBs

Additions and Corrections:

Mitch Eddy, John Eppig, Mary Ann Handel, and Sue Moenter

Additions and Corrections
Biol Reprod 2006 74: 992. [Full Text] [PDF]  

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