Mother-to-infant transmission of SIV via breast-feeding in rhesus macaques

: To decipher the mechanisms involved in oral transmission of human immunodeficiency virus/simian immunodeficiency virus (HIV/SIV) through breast‐feeding, we have developed an animal model using SIV‐infected lactating rhesus macaques (Macaca mulatta) and their infants. Five of eight macaque infants...

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Veröffentlicht in:Journal of medical primatology 2003-08, Vol.32 (4-5), p.187-193
Hauptverfasser: Amedee, A.M., Lacour, N., Ratterree, M.
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creator Amedee, A.M.
Lacour, N.
Ratterree, M.
description : To decipher the mechanisms involved in oral transmission of human immunodeficiency virus/simian immunodeficiency virus (HIV/SIV) through breast‐feeding, we have developed an animal model using SIV‐infected lactating rhesus macaques (Macaca mulatta) and their infants. Five of eight macaque infants became infected during a 10‐month study course after SIV inoculation of lactating dams. In a second study, three of four chronically infected female macaques transmitted virus to their infants through breast‐feeding within 4 months of birth. Transmission of virus to infants did not correlate with viral loads in either milk or plasma. Infants were infected with homogeneous virus populations, while milk samples near the time of transmission were more diverse. These studies suggest that specific viral phenotypes are selectively transmitted through breast‐feeding.
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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects Animals
Disease Models, Animal
DNA Primers
Female
Infectious Disease Transmission, Vertical - veterinary
Lactation
Macaca mulatta
milk
oral transmission
Reverse Transcriptase Polymerase Chain Reaction
Simian Acquired Immunodeficiency Syndrome - blood
Simian Acquired Immunodeficiency Syndrome - transmission
Simian Immunodeficiency Virus - genetics
Simian Immunodeficiency Virus - pathogenicity
viral diversity
Viral Envelope Proteins - genetics
title Mother-to-infant transmission of SIV via breast-feeding in rhesus macaques
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