scholarly journals Growth ofListeria monocytogenesin the Guinea Pig Placenta and Role of Cell‐to‐Cell Spread in Fetal Infection

2005 ◽  
Vol 191 (11) ◽  
pp. 1889-1897 ◽  
Author(s):  
Anna I. Bakardjiev ◽  
Brian A. Stacy ◽  
Daniel A. Portnoy
Keyword(s):  
Guinea Pig ◽  
Guinea Pig Placenta ◽  
Fetal Infection ◽  
Pig Placenta ◽  
Cell Spread

scholarly journals Foetal glutamate as a possible precursor of placental glutamine in the guinea pig

1981 ◽  
Vol 198 (2) ◽  
pp. 397-401 ◽  
Author(s):  
D L Bloxam ◽  
C F Tyler ◽  
M Young
Keyword(s):  
Amino Acid ◽  
Guinea Pig ◽  
Foetal Circulation ◽  
Guinea Pig Placenta ◽  
Near Term ◽  
Pig Placenta ◽  
Amino Acid Concentrations ◽  
Net Release

The role of foetal glutamate as a source of placental glutamine was investigated in the near-term pregnant guinea-pig placenta perfused in situ through the umbilical vessels. With normal foetal amino acid concentrations there was a significant two-way exchange of glutamate between the placenta and foetal perfusate, but a net release of the amino acid from the placenta. Radioactively labelled glutamate carbon entering the placenta by this exchange was freely incorporated into intracellular glutamine, but only 1.5% of it was found in glutamine transported out into the foetal circulation. In the guinea pig, therefore, foetal glutamate does not appear to be a precursor of glutamine released from the placenta on the foetal side.

Transfer of lipids across the guinea pig placenta

1969 ◽  
Vol 104 (4) ◽  
pp. 564-572 ◽  
Author(s):  
Herbert J. Kayden ◽  
Joseph Dancis ◽  
William L. Money
Keyword(s):  
Guinea Pig ◽  
Guinea Pig Placenta ◽  
Pig Placenta

Molecular charge effects on the protein permeability of the guinea-pig placenta

Placenta ◽  
1987 ◽  
Vol 8 (4) ◽  
pp. 365-380 ◽  
Author(s):  
A. Berhe ◽  
W.G. Bardsley ◽  
A. Harkes ◽  
C.P. Sibley
Keyword(s):  
Guinea Pig ◽  
Charge Effects ◽  
Guinea Pig Placenta ◽  
Molecular Charge ◽  
Pig Placenta ◽  
Protein Permeability

THE LIPID COMPOSITION OF THE GUINEA PIG PLACENTA

1936 ◽  
Vol 14b (5) ◽  
pp. 155-159 ◽  
Author(s):  
Eldon M. Boyd
Keyword(s):  
Lipid Metabolism ◽  
Guinea Pig ◽  
Lipid Composition ◽  
Guinea Pigs ◽  
Free Cholesterol ◽  
Gradual Change ◽  
Cholesterol Esters ◽  
Guinea Pig Placenta ◽  
Pig Placenta ◽  
Duration Of Pregnancy

The lipid composition of the guinea pig placenta was found to vary with the duration of pregnancy. Between the 20th and the 40th days there occurred an increase in phospholipid and free cholesterol, both of which remained elevated from then on to term. There was no significant change at any time in the amount of cholesterol esters, but that of neutral fat increased steadily sixfold and more during pregnancy. These changes were interpreted as signifying a gradual change in placental lipid metabolism during pregnancy. The relation of this change to the transfer of lipids from mother to fetus, and its relation to the etiology of the lipemia of pregnancy in guinea pigs, are discussed.

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