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A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
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Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice
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Comparing plasma and urinary proteomes to understand kidney function.

Lulu Jia1

  • 1Department of Pharmacy, Beijing Children's Hospital, Capital Medical University, 56 Nanlishi Road, Beijing, China, jluyu@126.com.

Advances in Experimental Medicine and Biology
|October 31, 2014
PubMed
Summary
This summary is machine-generated.

This study proposes viewing kidney function as a system, using plasma and urine proteomes to analyze kidney input and output. This proteomic approach offers a novel method for understanding organ function.

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Area of Science:

  • Nephrology
  • Proteomics
  • Systems Biology

Background:

  • Kidney function is typically studied in isolation, not as part of a larger biological system.
  • The kidney's role as a regulator of blood and urine composition is complex and not fully understood.
  • Existing methods often overlook the systemic interactions involving the kidney.

Purpose of the Study:

  • To introduce a novel systems-level approach for studying kidney function.
  • To leverage proteomic analysis of plasma and urine to understand kidney input and output.
  • To establish a new paradigm for organ function research using proteomic methodologies.

Main Methods:

  • Treating the kidney as a "black box" in a biological system.
  • Analyzing plasma proteome as the input to the kidney.
  • Analyzing urine proteome as the output from the kidney.
  • Applying proteomic techniques to quantify protein composition in biological fluids.

Main Results:

  • Plasma and urine proteomes serve as effective representations of kidney input and output.
  • The proposed systems-based proteomic approach offers a new lens for kidney research.
  • The study highlights the potential of proteomic methods in elucidating organ functions.

Conclusions:

  • The kidney's unique input (plasma) and output (urine) make it an ideal candidate for proteomic systems analysis.
  • Proteomic analysis of plasma and urine provides a comprehensive view of kidney function.
  • This research predicts the kidney will be a primary focus for future proteomic investigations into organ function.