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https://hdl.handle.net/2440/7169
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Type: | Journal article |
Title: | Variations in transforming growth factor beta in human milk are not related to levels in plasma |
Author: | Hawkes, J. Bryan, D. Gibson, R. |
Citation: | Cytokine, 2002; 17(4):182-186 |
Publisher: | Acadmic Press |
Issue Date: | 2002 |
ISSN: | 1043-4666 1096-0023 |
Statement of Responsibility: | Joanna S. Hawkes, Dani-Louise Bryan and Robert A. Gibson |
Abstract: | There is considerable variability in the concentrations of transforming growth factor beta (TGFβ) in human milk from individual women which is not readily explained by maternal factors such as smoking or illness. A potential correlate is the maternal plasma level of TGFβ since changes in plasma concentration of TGFβ in response to a number of pathological conditions have been well documented. The purpose of this study was to investigate the relationship between the concentration of TGFβ1 and TGFβ2 in a single sample of human milk and plasma obtained on the same day from 80 lactating mothers at 5 weeks postpartum. The concentration of TGFβ1 and TGFβ2 in the aqueous fraction of human milk ranged from 228 to 3542 pg/ml (647, 438–799; median, 25th–75th percentiles) and 98 to 13 855 pg/ml (955, 535–1999) respectively and in paired samples of plasma from 440 to 19 460 (4026, 3245–6656) and 92 to 1739 (620, 391–925) respectively. Thus, in milk the median ratio of TGFβ1 to TGFβ2 was 1:1.6 whereas the corresponding median ratio in plasma was 7:1. There was no correlation between the concentration of either isoform of TGFβ in milk and the corresponding TGFβ in plasma. |
Keywords: | Transforming growth factor beta cytokines lactation breast milk plasma |
DOI: | 10.1006/cyto.2002.0987 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/622815/description#description |
Published version: | http://dx.doi.org/10.1006/cyto.2002.0987 |
Appears in Collections: | Aurora harvest 5 Paediatrics publications |
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