Placental Growth Throughout the Last Two Thirds of Pregnancy in Sheep: Vascular Development and Angiogenic Factor Expression1

Mechanisms of angiogenesis

1997 • 5,696 citations

Abnormal blood vessel development and lethality in embryos lacking a single VEGF allele

1996 • 4,143 citations

Mechanisms of angiogenesis and arteriogenesis

2000 • 4,120 citations

Failure of blood-island formation and vasculogenesis in Flk-1-deficient mice

1995 • 3,977 citations

Activation of Vascular Endothelial Growth Factor Gene Transcription by Hypoxia-Inducible Factor 1

1996 • 3,851 citations

Angiogenic Factors

1987 • 3,702 citations

Vascular-specific growth factors and blood vessel formation

2000 • 3,667 citations

Heterozygous embryonic lethality induced by targeted inactivation of the VEGF gene

1996 • 3,664 citations

Vascular Endothelial Growth Factor: Basic Science and Clinical Progress

2004 • 3,543 citations

Regulation of Mammalian O₂Homeostasis by Hypoxia-Inducible Factor 1

1999 • 1,882 citations

Vasculogenesis

1995 • 1,344 citations

Fetal nutrition and adult disease

2000 • 1,332 citations

Nutrient Requirements of Sheep

1975 • 1,171 citations

Regulators of Angiogenesis

1991 • 959 citations

Fibroblast Growth Factor-2 (FGF-2) Induces Vascular Endothelial Growth Factor (VEGF) Expression in the Endothelial Cells of Forming Capillaries: An Autocrine Mechanism Contributing to Angiogenesis

1998 • 829 citations

Increased Vascularization in Mice Overexpressing Angiopoietin-1

1998 • 818 citations

Growth factors acting via endothelial cell-specific receptor tyrosine kinases: VEGFs, Angiopoietins, and ephrins in vascular development

1999 • 795 citations

Vascular Permeability Factor/Vascular Endothelial Growth Factor and the Significance of Microvascular Hyperpermeability in Angiogenesis

1999 • 752 citations

Fetal umbilical artery flow velocity waveforms and placental resistance: pathological correlation

1985 • 728 citations

Elevated Placental Soluble Vascular Endothelial Growth Factor Receptor-1 Inhibits Angiogenesis in Preeclampsia

2004 • 499 citations

Angiopoietin-1 induces sprouting angiogenesis in vitro

1998 • 467 citations

Utero-placental vascular development and placental function

1995 • 419 citations

Aspects of Human Fetoplacental Vasculogenesis and Angiogenesis. II. Changes During Normal Pregnancy

2003 • 411 citations

Induction of vasculogenesis and hematopoiesis in vitro

1992 • 345 citations

Evidence for altered placental blood flow and vascularity in compromised pregnancies

2006 • 341 citations

Diagnostic Value of Blood Sampling in Fetuses with Growth Retardation

1993 • 340 citations

The Endocrinology of Pregnancy

1997 • 276 citations

Uterine artery Doppler flow velocity waveforms in the second trimester for the prediction of preeclampsia and fetal growth retardation.

1994 • 272 citations

The role of FGF and VEGF in angioblast induction and migration during vascular development

2001 • 240 citations

Maternal Undernutrition from Early- to Mid-Gestation Leads to Growth Retardation, Cardiac Ventricular Hypertrophy, and Increased Liver Weight in the Fetal Sheep

2003 • 240 citations

Animal models of placental angiogenesis

2005 • 184 citations

Angiogenesis and Vascular Remodeling by Intussusception: From Form to Function

2003 • 161 citations

Expression of the angiogenic factors, basic fibroblast growth factor and vascular endothelial growth factor, in the ovary.

1998 • 144 citations

Maternal Cardiovascular and Other Physiologic Responses to the Endocrinology of Pregnancy

1998 • 143 citations

The Placenta : Human and Animal

1982 • 126 citations

Growth and Microvascular Development of the Uterus during Early Pregnancy in Ewes1

1992 • 123 citations

Immunohistochemical Localization of 3β-Hydroxysteroid Dehydrogenase and P450 17α-Hydroxylase during Follicular and Luteal Development in Pigs, Sheep, and Cows1

1995 • 123 citations

Embryonic Stem Cell-Derived Embryoid Bodies Development in Collagen Gels Recapitulates Sprouting Angiogenesis

2001 • 122 citations

Growth and in-vitro metabolism of placental tissues of cows from Day 100 to Day 250 of gestation

1990 • 108 citations

Influence of Maternal Nutrition on Messenger RNA Expression of Placental Angiogenic Factors and Their Receptors at Midgestation in Adolescent Sheep1

2004 • 102 citations

In Vivo Control of Soluble Guanylate Cyclase Activation by Nitric Oxide: A Kinetic Analysis

2001 • 88 citations

Observations upon the form and relations of the maternal and fetal vessels in the placenta of the sheep

1946 • 80 citations

Placental Development in the Sheep and its Relation to Fetal Development

1974 • 79 citations

Blood Flow, Steroid Secretion and Nutrient Uptake of the Gravid Bovine Uterus and Fetus2

1983 • 64 citations

Effect of Prostaglandin F2α-Induced Luteolysis on In Vivo and In Vitro Progesterone Production by Individual Placentomes of Cows1

1987 • 56 citations

Numerical density of nuclei in the sheep placenta

1976 • 51 citations

Transplacental clearance and blood flows of bovine gravid uterus at several stages of gestation

1987 • 46 citations

Effects of Gonadotropin Treatment and Withdrawal on Follicular Growth, Cell Proliferation, and Atresia in Ewes1

1996 • 37 citations

Free nitric oxide diffusion in the bronchial microcirculation

2002 • 15 citations