Comparative proteomic analysis of rodent plasma and mesenteric lymph

Kuo Ching Yuan, Jen Feng Fang, Sen Yung Hsieh, Hsin Nung Shih

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The lymph has long been considered as the plasma filtrate and the proteomes of the lymph have received scanty attention. Currently, mesenteric lymph is reported to play an important role in the pathogenesis of multiple organ dysfunction syndrome in some critical illnesses. A better understanding of the composition and proteomes of mesenteric lymph becomes imperative to disclose the mechanistic role of mesenteric lymph. Seven male Sprague-Dawley rats were fasted overnight, and anesthetized to collect plasma and mesenteric lymph. The specimens were subjected to proteomic analysis using twodimensional gel electrophoresis (2-DE) and matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS). An average of 434 and 412 protein spots were found in the gels of the plasma and mesenteric lymph respectively. Peptide mass fingerprint analysis identified 77 proteins for 212 protein spots. The 2-DE proteomic pattern of mesenteric lymph was largely similar to that of the plasma. As in the plasma, large protein spots of albumin dominated the protein pattern in mesenteric lymph. Other major proteins identified in 2-DE gels included immunoglobulin heavy and light chains, fibrinogen α-, β-and γ-chains, serotransferrin, protease inhibitors, kininogens, macroglobulins, haptoglobin, and apolipoproteins. Meanwhile, mesenteric lymph contained an array of proteins that differentiated it from the plasma. The most differentially expressed proteins in mesenteric lymph were γ-fibrinogen, protease inhibitors, and proteins related to lipid transport/metabolism. The study presents a detailed description of mesenteric lymph proteomes of a common experimental animal in physiological status using a common proteomic approach. These results provide the basis for future research.

Original languageEnglish
JournalChinese Journal of Physiology
Volume56
Issue number3
DOIs
Publication statusPublished - Jan 1 2013
Externally publishedYes

Fingerprint

Lymph
Proteomics
Rodentia
Proteome
Proteins
Gels
Protease Inhibitors
Fibrinogen
Kininogens
Immunoglobulin Light Chains
Macroglobulins
Protein Array Analysis
Immunoglobulin Heavy Chains
Peptide Mapping
Haptoglobins
Multiple Organ Failure
Apolipoproteins
Transferrin
Lipid Metabolism
Critical Illness

Keywords

  • Comparative proteomics
  • Mesenteric lymph
  • Plasma
  • Two-dimensional gel electrophoresis (2-DE)

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)

Cite this

Comparative proteomic analysis of rodent plasma and mesenteric lymph. / Yuan, Kuo Ching; Fang, Jen Feng; Hsieh, Sen Yung; Shih, Hsin Nung.

In: Chinese Journal of Physiology, Vol. 56, No. 3, 01.01.2013.

Research output: Contribution to journalArticle

Yuan, Kuo Ching ; Fang, Jen Feng ; Hsieh, Sen Yung ; Shih, Hsin Nung. / Comparative proteomic analysis of rodent plasma and mesenteric lymph. In: Chinese Journal of Physiology. 2013 ; Vol. 56, No. 3.
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