Highlights:

Mary Ann Handel, John Eppig, and Ursula Eichenlaub-Ritter

Highlights
Biol Reprod 2005 73: 213. [Full Text] [PDF]  

Female Reproductive Tract:

Mercedes Perusquía, Erika Navarrete, Jaime Jasso-Kamel, and Luis M. Montaño

Androgens Induce Relaxation of Contractile Activity in Pregnant Human Myometrium at Term: A Nongenomic Action on L-Type Calcium Channels
Biol Reprod 2005 73: 214-221. [Abstract] [Full Text] [PDF]  

Summary: Androgens have a biological role in the regulation of human uterine contractility by inducing relaxation

S.K. Banu, J.A. Arosh, P. Chapdelaine, and M.A. Fortier

Expression of Prostaglandin Transporter in the Bovine Uterus and Fetal Membranes During Pregnancy
Biol Reprod 2005 73: 230-236. [Abstract] [Full Text] [PDF]  

Summary: A role for PGT in the exchange of PGs between the maternal and the fetal compartments during pregnancy

D.X. Lin, Z.M. Lei, and Ch.V. Rao

Dependence of Uterine Cyclooxygenase2 Expression on Luteinizing Hormone Signaling
Biol Reprod 2005 73: 256-260. [Abstract] [Full Text] [PDF]  

Summary: Deletion and reinsertion of LH receptors support that uterine COX2 expression is dependent on LH signaling

James J. Salmen, Frank Skufca, Ani Matt, Gene Gushansky, Amy Mason, and Catherine S. Gardiner

Role of Glutathione in Reproductive Tract Secretions on Mouse Preimplantation Embryo Development
Biol Reprod 2005 73: 308-314. [Abstract] [Full Text] [PDF]  

Summary: Examination of the role of extracellular glutathione in development of the preimplantation embryo

John K. Jain, Aimin Li, Deborah L. Nucatola, Parviz Minoo, and Juan C. Felix

Nonoxynol-9 Induces Apoptosis of Endometrial Explants by Both Caspase-Dependent and -Independent Apoptotic Pathways
Biol Reprod 2005 73: 382-388. [Abstract] [Full Text] [PDF]  

Summary: N-9 induced apoptosis in endometrium through caspase-dependent and -independent pathway, mediated by Fas and FasL, followed by caspase-3 activation

Gamete Biology:

Rémi-Martin Laberge and Guylain Boissonneault

On the Nature and Origin of DNA Strand Breaks in Elongating Spermatids
Biol Reprod 2005 73: 289-296. [Abstract] [Full Text] [PDF]  

Summary: Histone acetylation is involved in the topoisomerase II-generated DNA double-stranded breaks in spermatids

Mark A. Baker, Anton Krutskikh, Benjamin J. Curry, Louise Hetherington, and R. John Aitken

Identification of Cytochrome-b5 Reductase as the Enzyme Responsible for NADH-Dependent Lucigenin Chemiluminescence in Human Spermatozoa
Biol Reprod 2005 73: 334-342. [Abstract] [Full Text] [PDF]  

Summary: Analysis of the biochemical basis for NADH-induced lucigenin-dependent chemiluminescence in human spermatazoa has succeeded in identifying cytochrome-b5 reductase as one of the key enzymes responsible for this activity.

John J. Eppig, Frank L. Pendola, Karen Wigglesworth, and Janice K. Pendola

Mouse Oocytes Regulate Metabolic Cooperativity Between Granulosa Cells and Oocytes: Amino Acid Transport
Biol Reprod 2005 73: 351-357. [Abstract] [Full Text] [PDF]  

Summary: Mouse oocytes regulate the uptake of amino acids by cumulus cells, and oocyte competence to carry out this function is developmentally regulated.

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

Effect of Female Age on Mouse Oocyte Developmental Competence Following Mitochondrial Injury
Biol Reprod 2005 73: 366-373. [Abstract] [Full Text] [PDF]  

Summary: Mitochondria are involved in age-related changes in oocyte developmental competence

Immunology:

Magali Le Discorde, Caroline Le Danff, Philippe Moreau, Nathalie Rouas-Freiss, and Edgardo D. Carosella

HLA-G*0105N Null Allele Encodes Functional HLA-G Isoforms
Biol Reprod 2005 73: 280-288. [Abstract] [Full Text] [PDF]  

Summary: HLA-G*0105N null allele-encoded proteins are functional and inhibit NK function.

Mechanisms of Hormone Action:

Pascal Amireault and François Dubé

Serotonin and Its Antidepressant-Sensitive Transport in Mouse Cumulus-Oocyte Complexes and Early Embryos
Biol Reprod 2005 73: 358-365. [Abstract] [Full Text] [PDF]  

Summary: Serotonin and its antidepressant-sensitive transport, shown here in mouse cumulus-oocyte complexes and early embryos, reveal that a larger serotonergic network is likely to regulate much earlier developmental stages than earlier suspected

Ovary:

John J. Peluso, Anna Pappalardo, Ralf Losel, and Martin Wehling

Expression and Function of PAIRBP1 Within Gonadotropin-Primed Immature Rat Ovaries: PAIRBP1 Regulation of Granulosa and Luteal Cell Viability
Biol Reprod 2005 73: 261-270. [Abstract] [Full Text] [PDF]  

Summary: PAIRBP1 expression is induced by gonadotropins and plays an important role in regulating P4's ability to prevent granulosa and luteal cell apoptosis.

O.J. Ginther, E.L. Gastal, M.O. Gastal, and M.A. Beg

Regulation of Circulating Gonadotropins by the Negative Effects of Ovarian Hormones in Mares
Biol Reprod 2005 73: 315-323. [Abstract] [Full Text] [PDF]  

Summary: Surges in circulating gonadotropins reflect the negative effects of ovarian hormones acting to oppose the positive effects of extraovarian control

Kalidou Ndiaye, Tania Fayad, David W. Silversides, Jean Sirois, and Jacques G. Lussier

Identification of Downregulated Messenger RNAs in Bovine Granulosa Cells of Dominant Follicles Following Stimulation with Human Chorionic Gonadotropin
Biol Reprod 2005 73: 324-333. [Abstract] [Full Text] [PDF]  

Summary: Identification of novel genes in granulosa cells associated with follicular growth and ovulation in cattle that are modulated by hCG

Pregnancy:

Stephen J. Renaud, Lynne-Marie Postovit, Shannyn K. Macdonald-Goodfellow, Gail T. McDonald, Jason D. Caldwell, and Charles H. Graham

Activated Macrophages Inhibit Human Cytotrophoblast Invasiveness In Vitro
Biol Reprod 2005 73: 237-243. [Abstract] [Full Text] [PDF]  

Summary: Macrophage-mediated inhibition of trophoblast invasion may be critical to the etiology of pre-eclampsia

Kathrin A. Dunlap, Massimo Palmarini, David L. Adelson, and Thomas E. Spencer

Sheep Endogenous Betaretroviruses (enJSRVs) and the Hyaluronidase 2 (HYAL2) Receptor in the Ovine Uterus and Conceptus
Biol Reprod 2005 73: 271-279. [Abstract] [Full Text] [PDF]  

Summary: Studies find that enJSRVs and the HYAL2 receptor co-expressed in the binucleate cells of the placenta and provide evidence that 20 enJSRV loci are expressed in ovine uteroplacental tissues

Perry J. Blackshear, Ruth S. Phillips, Sanjukta Ghosh, Silvia V.B. Ramos, Eric K. Richfield, and Wi S. Lai

Zfp36l3, a Rodent X Chromosome Gene Encoding a Placenta-Specific Member of the Tristetraprolin Family of CCCH Tandem Zinc Finger Proteins
Biol Reprod 2005 73: 297-307. [Abstract] [Full Text] [PDF]  

Summary: We describe the identification of a novel X chromosome gene in rodents that encodes a new, functional member of the tristetraprolin family of CCCH tandem zinc finger proteins whose expression is limited to the placenta.

Wen Xuan Wu, Turhan Coksaygan, Kaushik Chakrabarty, Valta Collins, James C. Rose, and Peter W. Nathanielsz

Sufficient Progesterone-Priming Prior to Estradiol Stimulation Is Required for Optimal Induction of the Cervical Prostaglandin System in Pregnant Sheep at 0.7 Gestations
Biol Reprod 2005 73: 343-350. [Abstract] [Full Text] [PDF]  

Summary: At 0.7 gestation, additional progesterone synergizes with estradiol to induce cervical COX2, PTGER4, and ESR1, suggesting that sufficient progesterone priming optimizes estradiol's stimulation of the cervical PG system in pregnant sheep cervix.

Gendie E. Lash, Harry A. Otun, Barbara A. Innes, Judith N. Bulmer, Roger F. Searle, and Stephen C. Robson

Inhibition of Trophoblast Cell Invasion by TGFB1, 2, and 3 Is Associated with a Decrease in Active Proteases
Biol Reprod 2005 73: 374-381. [Abstract] [Full Text] [PDF]  

Summary: Inhibition of trophoblast invasion by TGFB1, 2, and 3 is associated with a decrease in active protease levels

Testis:

Gary R. Marshall, Suresh Ramaswamy, and Tony M. Plant

Gonadotropin-Independent Proliferation of the Pale Type A Spermatogonia in the Adult Rhesus Monkey (Macaca mulatta)
Biol Reprod 2005 73: 222-229. [Abstract] [Full Text] [PDF]  

Summary: In the rhesus monkey, Ap spermatogonial proliferation occurs constitutively, independent of gonadotropin stimulation, whereas differentiation of these cells into B spermatogonia is absolutely gonadotropin dependent and may be driven by either LH or FSH

Youngah Jo, Steven R. King, Shafiq A. Khan, and Douglas M. Stocco

Involvement of Protein Kinase C and Cyclic Adenosine 3',5'-Monophosphate-Dependent Kinase in Steroidogenic Acute Regulatory Protein Expression and Steroid Biosynthesis in Leydig Cells
Biol Reprod 2005 73: 244-255. [Abstract] [Full Text] [PDF]  

Summary: This study elucidates for the first time a role for PMA-induced PKC in StAR protein regulation and the requirement for submaximal doses of cAMP

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