Cytokine profiling in human colostrum and milk by protein array
Language English Country Great Britain, England Media print-electronic
Document type Comparative Study, Journal Article, Research Support, Non-U.S. Gov't
PubMed
17363422
DOI
10.1373/clinchem.2006.077107
PII: clinchem.2006.077107
Knihovny.cz E-resources
- MeSH
- Time Factors MeSH
- Chemokines analysis MeSH
- Protein Array Analysis MeSH
- Cytokines analysis MeSH
- Adult MeSH
- Enzyme-Linked Immunosorbent Assay MeSH
- Colostrum chemistry MeSH
- Humans MeSH
- Milk, Human chemistry MeSH
- Intercellular Signaling Peptides and Proteins analysis MeSH
- Postpartum Period MeSH
- Proteomics MeSH
- Check Tag
- Adult MeSH
- Humans MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Comparative Study MeSH
- Names of Substances
- Chemokines MeSH
- Cytokines MeSH
- Intercellular Signaling Peptides and Proteins MeSH
BACKGROUND: Human colostrum and milk contain components that influence development. Our aim was to use a protein array to determine the cytokine profile of human lacteal secretions and changes that occur during the early postpartum period. METHODS: We collected 17 samples of colostrum during the first 2 days postpartum and a 2nd group of 5 sets of 2 to 3 sequential colostrum or milk samples (at 20- to 30-h intervals). We analyzed the samples with array membranes consisting of 42 or 79 antibodies directed against cytokines. RESULTS: In most samples, we detected the previously described cytokines interleukin-8 (IL-8)/CXCL8, epidermal growth factor (EGF), growth-related oncoprotein (GRO)/CXCL1-3, angiogenin, transforming growth factor beta-2, and monocyte chemotactic protein 1 (MCP-1/CCL2). In addition, we found 32 cytokines that have not been described before in colostrum. Cytokine concentrations differed among mothers, and the spectrum of cytokines changed with time after delivery. A significant decrease occurred in IL-12 and macrophage inflammatory protein-1delta/CCL15 and a significant increase in MCP-1/CCL2. The production of angiogenin, vascular endothelial growth factor, GRO/CXCL1-3, EGF, and IL-8/CXCL8 remained high throughout. The concentrations of 2 selected cytokines measured with the array technique and ELISA showed moderate to strong correlation (r = 0.63 for EGF and r = 0.84 for IL-8/CXCL8). CONCLUSION: Despite the lack of precise quantification, the protein array might be suitable for cytokine screening. It allows simultaneous detection of a broad spectrum of cytokines (including those not described before) in lacteal secretions.
References provided by Crossref.org
Colostrum of healthy mothers contains broad spectrum of secretory IgA autoantibodies
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