Quantitation of human milk proteins and their glycoforms using multiple reaction monitoring (MRM)

Jincui Huang, Muchena J. Kailemia, Elisha Goonatilleke, Evan A. Parker, Qiuting Hong, Rocchina Sabia, Jennifer T. Smilowitz, J. Bruce German, Carlito B Lebrilla

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Human milk plays a substantial role in the child growth, development and determines their nutritional and health status. Despite the importance of the proteins and glycoproteins in human milk, very little quantitative information especially on their site-specific glycosylation is known. As more functions of milk proteins and other components continue to emerge, their fine-detailed quantitative information is becoming a key factor in milk research efforts. The present work utilizes a sensitive label-free MRM method to quantify seven milk proteins (α-lactalbumin, lactoferrin, secretory immunoglobulin A, immunoglobulin G, immunoglobulin M, α1-antitrypsin, and lysozyme) using their unique peptides while at the same time, quantifying their site-specific N-glycosylation relative to the protein abundance. The method is highly reproducible, has low limit of quantitation, and accounts for differences in glycosylation due to variations in protein amounts. The method described here expands our knowledge about human milk proteins and provides vital details that could be used in monitoring the health of the infant and even the mother. [Figure not available: see fulltext.]

Original languageEnglish (US)
Pages (from-to)589-606
Number of pages18
JournalAnalytical and Bioanalytical Chemistry
Volume409
Issue number2
DOIs
StatePublished - Jan 1 2017

Fingerprint

Glycosylation
Milk Proteins
Human Milk
Monitoring
Health
Lactalbumin
Secretory Immunoglobulin A
Proteins
Lactoferrin
Muramidase
Child Development
Nutritional Status
Growth and Development
Health Status
Labels
Glycoproteins
Milk
Peptides
Research

Keywords

  • Glycoproteomics
  • Human milk
  • Mass spectrometry
  • MRM
  • UPLC

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry

Cite this

Huang, J., Kailemia, M. J., Goonatilleke, E., Parker, E. A., Hong, Q., Sabia, R., ... Lebrilla, C. B. (2017). Quantitation of human milk proteins and their glycoforms using multiple reaction monitoring (MRM). Analytical and Bioanalytical Chemistry, 409(2), 589-606. https://doi.org/10.1007/s00216-016-0029-4

Quantitation of human milk proteins and their glycoforms using multiple reaction monitoring (MRM). / Huang, Jincui; Kailemia, Muchena J.; Goonatilleke, Elisha; Parker, Evan A.; Hong, Qiuting; Sabia, Rocchina; Smilowitz, Jennifer T.; German, J. Bruce; Lebrilla, Carlito B.

In: Analytical and Bioanalytical Chemistry, Vol. 409, No. 2, 01.01.2017, p. 589-606.

Research output: Contribution to journalArticle

Huang, J, Kailemia, MJ, Goonatilleke, E, Parker, EA, Hong, Q, Sabia, R, Smilowitz, JT, German, JB & Lebrilla, CB 2017, 'Quantitation of human milk proteins and their glycoforms using multiple reaction monitoring (MRM)', Analytical and Bioanalytical Chemistry, vol. 409, no. 2, pp. 589-606. https://doi.org/10.1007/s00216-016-0029-4
Huang, Jincui ; Kailemia, Muchena J. ; Goonatilleke, Elisha ; Parker, Evan A. ; Hong, Qiuting ; Sabia, Rocchina ; Smilowitz, Jennifer T. ; German, J. Bruce ; Lebrilla, Carlito B. / Quantitation of human milk proteins and their glycoforms using multiple reaction monitoring (MRM). In: Analytical and Bioanalytical Chemistry. 2017 ; Vol. 409, No. 2. pp. 589-606.
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