Comparison of Different Albumin Removal Methods for Evaluation of Human Serum Proteome

Sadegh Fatahi; Nasrin Kazemipour; Jafar Valizadeh; Mohammad Hashemi; Hamideh Ghazizade

Zahedan Journal of Research in Medical Sciences

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Comparison of Different Albumin Removal Methods for Evaluation of Human Serum Proteome

Author(s):

Sadegh Fatahi¹,

Nasrin Kazemipour^1,*,

Jafar Valizadeh¹,

Mohammad Hashemi²,

Hamideh Ghazizade¹

1Faculty of Science, University of Sistan & Balouchestan, Zahedan, Iran

2Department of Clinical Biochemistry, Zahedan University of Medical Sciences, Zahedan, Iran

Zahedan Journal of Research in Medical Sciences:Vol. 14, issue 4; e93467

Published online:Oct 16, 2010

Article type:Research Article

Received:Oct 05, 2010

Accepted:Nov 18, 2010

How to Cite:Fatahi S, Kazemipour N, Valizadeh J, Hashemi M, Ghazizade H. Comparison of Different Albumin Removal Methods for Evaluation of Human Serum Proteome. Zahedan J Res Med Sci. 2012;14(4):e93467. doi:

Abstract

Background: Proteomics examines the protein content of a cell, tissue or physiological fluid in certain developmental or pathological conditions. Serum, a rich source of protein, is easily accessible and represents the physiological and clinical status of individuals. Emergence of a disease can cause qualitative and quantitative changes in the concentration of certain proteins in the serum. Nevertheless, separation and examination of low abundance proteins at presence of high abundance proteins such as albumin and immunoglobulin, which comprise over 60% of total protein, are limited.
Materials and Methods: In this experimental study, in order to remove albumin, serum samples from four different removal methods including two trichloroacetic acid (TCA) precipitation, ammonium sulfate fractionation and using specific kits to remove albumin and immunoglobulin were compared.
Results: The results indicated that precipitation and fractionation techniques considerably remove albumin. Due to its specific performance, using kit removes larger amounts of albumin and immunoglobulin. However, the protein patterns derived from different albumin removal methods were different.
Conclusion: It is suggested that several albumin removal methods should be used during the examination of serum protein content.

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Author(s):

Sadegh Fatahi:[PubMed][Scholar]
Nasrin Kazemipour:[PubMed][Scholar]
Jafar Valizadeh:[PubMed][Scholar]
Mohammad Hashemi:[PubMed][Scholar]
Hamideh Ghazizade:[PubMed][Scholar]

The Official Journal of Zahedan University of Medical Sciences

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Comparison of Different Albumin Removal Methods for Evaluation of Human Serum Proteome

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