Characterization of human plasma proteome dynamics using deuterium oxide

Ding Wang, David A. Liem, Edward Lau, Dominic C.M. Ng, Brian J. Bleakley, Martin Cadeiras, Mario C. Deng, Maggie P.Y. Lam, Peipei Ping

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Purpose: High-throughput quantification of human protein turnover via in vivo administration of deuterium oxide (2H2O) is a powerful new approach to examine potential disease mechanisms. Its immediate clinical translation is contingent upon characterizations of the safety and hemodynamic effects of in vivo administration of 2H2O to human subjects. Experimental design: We recruited ten healthy human subjects with a broad demographic variety to evaluate the safety, feasibility, efficacy, and reproducibility of 2H2O intake for studying protein dynamics. We designed a protocol where each subject orally consumed weight-adjusted doses of 70% 2H2O daily for 14 days to enrich body water and proteins with deuterium. Plasma proteome dynamics was measured using a high-resolution MS method we recently developed. Results: This protocol was successfully applied in ten human subjects to characterize the endogenous turnover rates of 542 human plasma proteins, the largest such human dataset to-date. Throughout the study, we did not detect physiological effects or signs of discomfort from 2H2O consumption. Conclusions and clinical relevance: Our investigation supports the utility of a 2H2O intake protocol that is safe, accessible, and effective for clinical investigations of large-scale human protein turnover dynamics. This workflow shows promising clinical translational value for examining plasma protein dynamics in human diseases.

Original languageEnglish (US)
Pages (from-to)610-619
Number of pages10
JournalProteomics - Clinical Applications
Volume8
Issue number7-8
DOIs
StatePublished - Aug 2014
Externally publishedYes

Fingerprint

Deuterium Oxide
Plasma (human)
Proteome
Blood Proteins
Proteins
Deuterium
Hemodynamics
Design of experiments
Throughput
Plasmas
Safety
Workflow
Water
Body Water
Healthy Volunteers
Research Design
Demography
Weights and Measures

Keywords

  • Deuterium oxide
  • Heavy water
  • Plasma proteome
  • Protein dynamics
  • Protein turnover

ASJC Scopus subject areas

  • Clinical Biochemistry

Cite this

Characterization of human plasma proteome dynamics using deuterium oxide. / Wang, Ding; Liem, David A.; Lau, Edward; Ng, Dominic C.M.; Bleakley, Brian J.; Cadeiras, Martin; Deng, Mario C.; Lam, Maggie P.Y.; Ping, Peipei.

In: Proteomics - Clinical Applications, Vol. 8, No. 7-8, 08.2014, p. 610-619.

Research output: Contribution to journalArticle

Wang, D, Liem, DA, Lau, E, Ng, DCM, Bleakley, BJ, Cadeiras, M, Deng, MC, Lam, MPY & Ping, P 2014, 'Characterization of human plasma proteome dynamics using deuterium oxide', Proteomics - Clinical Applications, vol. 8, no. 7-8, pp. 610-619. https://doi.org/10.1002/prca.201400038
Wang, Ding ; Liem, David A. ; Lau, Edward ; Ng, Dominic C.M. ; Bleakley, Brian J. ; Cadeiras, Martin ; Deng, Mario C. ; Lam, Maggie P.Y. ; Ping, Peipei. / Characterization of human plasma proteome dynamics using deuterium oxide. In: Proteomics - Clinical Applications. 2014 ; Vol. 8, No. 7-8. pp. 610-619.
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