Highlights:

Highlights
Biol Reprod 2007 77: 1. [Full Text] [PDF]  

Embryo:

Ali A. Fouladi-Nashta, Carlos G. Gutierrez, Jin G. Gong, Philip C. Garnsworthy, and Robert Webb

Impact of Dietary Fatty Acids on Oocyte Quality and Development in Lactating Dairy Cows
Biol Reprod 2007 77: 9-17. [Abstract] [Full Text] [PDF]  

Summary: Increased level of dietary fatty acids improved developmental potential of oocytes to the blastocyst stage and also improved blastocyst quality

A.J. Harvey, K.L. Kind, and J.G. Thompson

Regulation of Gene Expression in Bovine Blastocysts in Response to Oxygen and the Iron Chelator Desferrioxamine
Biol Reprod 2007 77: 93-101. [Abstract] [Full Text] [PDF]  

Summary: Gene expression is regulated by hypoxia-inducible factors in bovine blastocysts, in response to reduced oxygen, or in the presence or absence of the iron chelator desferrioxamine

Female Reproductive Tract:

Hakhyun Ka, Saeed Al-Ramadan, David W. Erikson, Greg A. Johnson, Robert C. Burghardt, Thomas E. Spencer, Laurie A. Jaeger, and Fuller W. Bazer

Regulation of Expression of Fibroblast Growth Factor 7 in the Pig Uterus by Progesterone and Estradiol
Biol Reprod 2007 77: 172-180. [Abstract] [Full Text] [PDF]  

Summary: Maximal expression of FGF7 in uterine LE requires progesterone-mediated down-regulation of progesterone receptor in LE, induction of progestamedin(s) in uterine stroma, and direct effects of conceptus estrogens on LE

Gamete Biology:

Mark T. Johnson, Edward A. Freeman, David K. Gardner, and Patricia A. Hunt

Oxidative Metabolism of Pyruvate Is Required for Meiotic Maturation of Murine Oocytes In Vivo
Biol Reprod 2007 77: 2-8. [Abstract] [Full Text] [PDF]  

Summary: Ablation of the Pdha1 subunit gene of pyruvate dehydrogenase in developing oocytes compromises meiotic maturation but not growth or ovulation

Jingling Jin, Nange Jin, Huili Zheng, Seungil Ro, Dora Tafolla, Kenton M. Sanders, and Wei Yan

Catsper3 and Catsper4 Are Essential for Sperm Hyperactivated Motility and Male Fertility in the Mouse
Biol Reprod 2007 77: 37-44. [Abstract] [Full Text] [PDF] [Supplemental Movies]  

Summary: Catsper3 and Catsper4 are essential for sperm hyperactivated motility and male fertility

Fumie Suzuki-Toyota, Chizuru Ito, Yoshiro Toyama, Mamiko Maekawa, Ryoji Yao, Tetsuo Noda, Hiroshi Iida, and Kiyotaka Toshimori

Factors Maintaining Normal Sperm Tail Structure During Epididymal Maturation Studied in Gopc^–/– Mice
Biol Reprod 2007 77: 71-82. [Abstract] [Full Text] [PDF]  

Summary: Tails disorganize during epididymal maturation of Gopc-/- spermatozoa, suggesting the posterior ring, the connecting piece, SPATA19/spergen-1, and GPX4/PHGPx are requisite for maintaining the normal tail morphology in the epididymis.

Gerard M. Gibbs, Deborah M. Bianco, Duangporn Jamsai, Amy Herlihy, Sika Ristevski, R. John Aitken, David M. de Kretser, and Moira K. O'Bryan

Cysteine-Rich Secretory Protein 2 Binds to Mitogen-Activated Protein Kinase Kinase Kinase 11 in Mouse Sperm
Biol Reprod 2007 77: 108-114. [Abstract] [Full Text] [PDF]  

Summary: The C-terminal cysteine-rich domain of cysteine-rich secretory protein 2 (CRISP2) binds to the C-terminus of mitogen-activated protein kinase kinase kinase 11 (MAP3K11) present in the testis and epididymal sperm.

Yasuhiro Yamamoto, Fumitake Usui, Yoshiaki Nakamura, Yohei Ito, Takahiro Tagami, Keijiro Nirasawa, Yuko Matsubara, Tamao Ono, and Hiroshi Kagami

A Novel Method to Isolate Primordial Germ Cells and Its Use for the Generation of Germline Chimeras in Chicken
Biol Reprod 2007 77: 115-119. [Abstract] [Full Text] [PDF]  

Summary: Functional chicken PGCs isolated by a novel method generated germline chimeras

Male Reproductive Tract:

Terry T. Turner, Daniel S. Johnston, Joshua N. Finger, and Scott A. Jelinsky

Differential Gene Expression among the Proximal Segments of the Rat Epididymis Is Lost after Efferent Duct Ligation
Biol Reprod 2007 77: 165-171. [Abstract] [Full Text] [PDF]  

Summary: Efferent duct ligation causes loss of differential gene expression by the proximal segments of the rat epididymis

Mechanisms of Hormone Action:

Yukihide Momozawa, Yukari Takeuchi, Masaru Kitago, Koji Masuda, Yoshie Kakuma, Chie Hashizume, Toru Ichimaru, Kazutaka Mogi, Hiroaki Okamura, Tomohiro Yonezawa, Takefumi Kikusui, and Yuji Mori

Gene Expression Profiles Linked to the Hormonal Induction of Male-Effect Pheromone Synthesis in Goats (Capra hircus)
Biol Reprod 2007 77: 102-107. [Abstract] [Full Text] [PDF] [Supplemental Tables]  

Summary: In parallel with male-effect pheromone biosynthesis, the expression of nine genes were found to increase; SCD1 and ELOVL5 genes increased 100-fold compared with pheromone-negative controls.

Ovary:

L.J. Spicer and P.Y. Aad

Insulin-Like Growth Factor (IGF) 2 Stimulates Steroidogenesis and Mitosis of Bovine Granulosa Cells Through the IGF1 Receptor: Role of Follicle-Stimulating Hormone and IGF2 Receptor
Biol Reprod 2007 77: 18-27. [Abstract] [Full Text] [PDF]  

Summary: IGF2 increases proliferation and stimulates differentiation in granulosa cells via the IGF1 receptor, and the IGF2 receptor may be hormonally regulated and associated with decreased granulosa cell responses

R.S. Robinson, L.T. Nicklin, A.J. Hammond, D. Schams, M.G. Hunter, and G.E. Mann

Fibroblast Growth Factor 2 Is More Dynamic than Vascular Endothelial Growth Factor A During the Follicle-Luteal Transition in the Cow
Biol Reprod 2007 77: 28-36. [Abstract] [Full Text] [PDF]  

Summary: Follicular FGF2 is up-regulated during the preovulatory period by the LH surge and plays an active role in initiation of luteal angiogenesis

Dori C. Woods, Morgan J. Haugen, and A.L. Johnson

Actions of Epidermal Growth Factor Receptor/Mitogen-Activated Protein Kinase and Protein Kinase C Signaling in Granulosa Cells from Gallus gallus Are Dependent upon Stage of Differentiation
Biol Reprod 2007 77: 61-70. [Abstract] [Full Text] [PDF]  

Summary: The actions of EGFR/MAPK and protein kinase C signaling on granulosa cell steroidogenesis are dependent upon stage of differentiation.

Nili Zmora, John Trant, Siu-Ming Chan, and J. Sook Chung

Vitellogenin and Its Messenger RNA During Ovarian Development in the Female Blue Crab, Callinectes sapidus: Gene Expression, Synthesis, Transport, and Cleavage
Biol Reprod 2007 77: 138-146. [Abstract] [Full Text] [PDF] [Supplemental Figure]  

Summary: The temporal and tissue-specific expression, secretion, and uptake of vitellogenin along with the pathway for conversion to vitellin display some differences as compared to other crustaceans and may be related to the reproductive physiology of the female blue crab

Elie Needle, Kathy Piparo, Donna Cole, Carolyn Worrall, Ian Whitehead, Gwen Mahon, and Laura T. Goldsmith

Protein Kinase A-Independent cAMP Stimulation of Progesterone in a Luteal Cell Model Is Tyrosine Kinase Dependent but Phosphatidylinositol-3-Kinase and Mitogen-Activated Protein Kinase Independent
Biol Reprod 2007 77: 147-155. [Abstract] [Full Text] [PDF]  

Summary: cAMP-stimulated progesterone expression is PKA independent but tyrosine dependent

Cristiano Boiti, Margherita Maranesi, Cecilia Dall'Aglio, Luisa Pascucci, Gabriele Brecchia, Anna Gobbetti, and Massimo Zerani

Vasoactive Peptides in the Luteolytic Process Activated by PGF2alpha in Pseudopregnant Rabbits at Different Luteal Stages
Biol Reprod 2007 77: 156-164. [Abstract] [Full Text] [PDF]  

Summary: PGF2alpha up-regulates the expression for the RAS/EDN1 system in CL of pseudopregnant rabbits, but only in midluteal phase does a reciprocal feedback mechanism with EDN1, mediated by ACE, induce luteolysis

Pregnancy:

Nicola K. Hudson, Maureen O'Hara, Helen A. Lacey, Jemma Corcoran, Denise G. Hemmings, Mark Wareing, Philip Baker, and Michael J. Taggart

Modulation of Human Arterial Tone During Pregnancy: The Effect of the Bioactive Metabolite Sphingosine-1-Phosphate
Biol Reprod 2007 77: 45-52. [Abstract] [Full Text] [PDF]  

Summary: Sphingosine-1-phosphate produces dose-dependent vasoconstriction in human omental and myometrial arteries during pregnancy, with tissue specific mechanisms of action

Reproductive Technology:

Annick Bergeron, Yves Brindle, Patrick Blondin, and Puttaswamy Manjunath

Milk Caseins Decrease the Binding of the Major Bovine Seminal Plasma Proteins to Sperm and Prevent Lipid Loss from the Sperm Membrane During Sperm Storage
Biol Reprod 2007 77: 120-126. [Abstract] [Full Text] [PDF]  

Summary: Milk caseins prevent the detrimental effect of BSP proteins on the sperm membrane during sperm preservation

Testis:

Yue Jia, Amiya P. Sinha Hikim, Yan-He Lue, Ronald S. Swerdloff, Yanira Vera, Xue-Shen Zhang, Zhao-Yuan Hu, Yin-Chuan Li, Yi-Xun Liu, and Christina Wang

Signaling Pathways for Germ Cell Death in Adult Cynomolgus Monkeys (Macaca fascicularis) Induced by Mild Testicular Hyperthermia and Exogenous Testosterone Treatment
Biol Reprod 2007 77: 83-92. [Abstract] [Full Text] [PDF]  

Summary: BCL2 phosphorylation and activation of the MAPK14-mediated mitochondria-dependent pathway are critical for male germ cell death in monkey

Sandeep Goel, Miki Sugimoto, Naojiro Minami, Masayasu Yamada, Shinichi Kume, and Hiroshi Imai

Identification, Isolation, and In Vitro Culture of Porcine Gonocytes
Biol Reprod 2007 77: 127-137. [Abstract] [Full Text] [PDF] [Supplemental Figures]  

Summary: The lectin Dolichos biflorus agglutinin (DBA) is a specific marker for porcine gonocytes and primitive spermatogonia, and isolated gonocytes can be cultured for 7 days without addition of any specific growth factors to the medium

Natalia E. Furland, Eduardo N. Maldonado, Pablo Ayuza Aresti, and Marta I. Aveldaño

Changes in Lipids Containing Long- and Very Long-Chain Polyunsaturated Fatty Acids in Cryptorchid Rat Testes
Biol Reprod 2007 77: 181-188. [Abstract] [Full Text] [PDF]  

Summary: The rapid depletion of germ cells occurring in cryptorchidism was accompanied by a massive loss of glycerophospholipids and sphingomyelin and a substantial accumulation of triglycerides and cholesterol esters in the cells remaining in the testes

Toxicology:

Garen S. Wolff, Po Jen Chiang, Susan M. Smith, Roberto Romero, and D. Randall Armant

Epidermal Growth Factor-Like Growth Factors Prevent Apoptosis of Alcohol-Exposed Human Placental Cytotrophoblast Cells
Biol Reprod 2007 77: 53-60. [Abstract] [Full Text] [PDF]  

Summary: Physiologically relevant levels of ethanol rapidly induce human cytotrophoblast cells to apoptosis; however, endogenous production of the survival factor HBEGF could provide the placenta a protective mechanism during prenatal alcohol exposure.

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