نتایج جستجو برای: placental transfer

تعداد نتایج: 311164  

Journal: :American journal of physiology. Endocrinology and metabolism 2004
Kirsten R McDonald Neva J Fudge Janine P Woodrow James K Friel Ana O Hoff Robert F Gagel Christopher S Kovacs

We used the calcitonin/calcitonin gene-related peptide (CGRP)-alpha gene knockout model (Ct/Cgrp null) to determine whether calcitonin and CGRPalpha are required for normal fetal mineral homeostasis and placental calcium transfer. Heterozygous (Ct/Cgrp(+/-)) and Ct/Cgrp null females were mated to Ct/Cgrp(+/-) males. One or two days before term, blood was collected from mothers and fetuses and a...

2016
E M Lofthouse S Perazzolo S Brooks I P Crocker J D Glazier E D Johnstone N Panitchob C P Sibley K L Widdows B G Sengers R M Lewis

Membrane transporters are considered essential for placental amino acid transfer, but the contribution of other factors, such as blood flow and metabolism, is poorly defined. In this study we combine experimental and modeling approaches to understand the determinants of [(14)C]phenylalanine transfer across the isolated perfused human placenta. Transfer of [(14)C]phenylalanine across the isolate...

Journal: :The Proceedings of the Nutrition Society 1991
W W Hay

The exchange of nutrients between placenta and fetus involves three major mechanisms: (1) direct placental transfer of nutrients from the maternal to the fetal plasma, (2) placental metabolism and consumption of nutrients, (3) placental metabolism of nutrient substrates to alternate substrate forms. Additionally, placental size, architecture, developmental and pathological processes, and intera...

2005
WILLIAM W. H A Y JR

The exchange of nutrients between placenta and fetus involves three major mechanisms: (1) direct placental transfer of nutrients from the maternal to the fetal plasma, (2) placental metabolism and consumption of nutrients, (3) placental metabolism of nutrient substrates to alternate substrate forms. Additionally, placental size, architecture, developmental and pathological processes, and intera...

Journal: :British Journal of Anaesthesia 1979

Journal: :Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene) 1989

Journal: :Acta Radiologica: Therapy, Physics, Biology 1965

Journal: :Antimicrobial agents and chemotherapy 2013
C Vinot L Gavard J M Tréluyer S Manceau E Courbon J M Scherrmann X Declèves D Duro G Peytavin L Mandelbrot C Giraud

Nowadays, antiretroviral therapy is recommended during pregnancy to prevent mother-to-child transmission of HIV. However, for many antiretroviral drugs, including maraviroc, a CCR5 antagonist, very little data exist regarding placental transfer. Besides, various factors may modulate this transfer, including efflux transporters belonging to the ATP-binding cassette (ABC) transporter superfamily....

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