Assessment of buffer systems for harvesting proteins from tissue interstitial fluid for proteomic analysis

Pang Ning Teng, Bunja J. Rungruang, Brian L. Hood, Mai Sun, Melanie S. Flint, Nicholas W. Bateman, Rajiv Dhir, Rohit Bhargava, Scott D. Richard, Robert P. Edwards, Thomas P. Conrads

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Tissue interstitial fluid (TIF) bathes cells in tissues, and it is hypothesized that TIF proximal to a developing tumor may contain an enriched population of tumor-specific shed and secreted proteins relative to peripheral blood. Extraction of TIF proteins is typically accomplished through passive incubation of surgically resected tissues in phosphate buffered saline (PBS); however, its influence on cellular activity and viability has not been fully explored. The present investigation sought to characterize whether different buffer systems influence the recovered TIF proteome. Five TIF buffer systems were investigated including PBS, Dulbecco's modified Eagle medium (DMEM), and three organ transplantation preservative solutions: Celsior solution S (CS), histidine-tryptophan-ketoglutarate (HTK), and University of Wisconsin (UW). Kidney tumor, adjacent normal kidney, and ovarian tumor tissues were incubated in each of the buffer systems, and the harvested TIF proteins were analyzed by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Although the present results indicate that no significant differences exist in the recovered proteins from these two neoplasms between the five solution groups, additional sample preparative steps are required prior to LC-MS/MS for TIF proteins harvested from DMEM, UW, CS, and HTK. These data support that PBS is a suitable and convenient solution for harvesting TIF proteins for MS-based proteomics.

Original languageEnglish (US)
Pages (from-to)4161-4169
Number of pages9
JournalJournal of Proteome Research
Volume9
Issue number8
DOIs
StatePublished - Aug 6 2010

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Tissue and Organ Harvesting
Extracellular Fluid
Proteomics
Buffers
Tissue
Fluids
Proteins
Tumors
Eagles
Phosphates
Neoplasm Proteins
Histidine
Tryptophan
Neoplasms
Kidney
Transplantation (surgical)
Organ Transplantation
Proteome
Tandem Mass Spectrometry
Liquid chromatography

Keywords

  • cancer biomarker
  • ovarian cancer
  • renal cell carcinoma
  • tissue interstitial fluid
  • tumor microenvironment

ASJC Scopus subject areas

  • Biochemistry
  • Chemistry(all)

Cite this

Assessment of buffer systems for harvesting proteins from tissue interstitial fluid for proteomic analysis. / Teng, Pang Ning; Rungruang, Bunja J.; Hood, Brian L.; Sun, Mai; Flint, Melanie S.; Bateman, Nicholas W.; Dhir, Rajiv; Bhargava, Rohit; Richard, Scott D.; Edwards, Robert P.; Conrads, Thomas P.

In: Journal of Proteome Research, Vol. 9, No. 8, 06.08.2010, p. 4161-4169.

Research output: Contribution to journalArticle

Teng, PN, Rungruang, BJ, Hood, BL, Sun, M, Flint, MS, Bateman, NW, Dhir, R, Bhargava, R, Richard, SD, Edwards, RP & Conrads, TP 2010, 'Assessment of buffer systems for harvesting proteins from tissue interstitial fluid for proteomic analysis', Journal of Proteome Research, vol. 9, no. 8, pp. 4161-4169. https://doi.org/10.1021/pr100382v
Teng, Pang Ning ; Rungruang, Bunja J. ; Hood, Brian L. ; Sun, Mai ; Flint, Melanie S. ; Bateman, Nicholas W. ; Dhir, Rajiv ; Bhargava, Rohit ; Richard, Scott D. ; Edwards, Robert P. ; Conrads, Thomas P. / Assessment of buffer systems for harvesting proteins from tissue interstitial fluid for proteomic analysis. In: Journal of Proteome Research. 2010 ; Vol. 9, No. 8. pp. 4161-4169.
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