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Sample Preparation and Relative Quantitation using Reductive Methylation of Amines for Peptidomics Studies
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生物化学
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JoVE 杂志 生物化学
Sample Preparation and Relative Quantitation using Reductive Methylation of Amines for Peptidomics Studies

Sample Preparation and Relative Quantitation using Reductive Methylation of Amines for Peptidomics Studies

2,085 Views

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08:00 min

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November 04, 2021

DOI:

10.3791/62971-v

DOI:
10.3791/62971-v

•

08:00 min
November 04, 2021

•

10 Views
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1Department of Biological and Environmental Sciences, Bioscience Institute,Sao Paulo State University (UNESP), 2Biodiversity of Coastal Environments Postgraduate Program, Bioscience Institute,Sao Paulo State University (UNESP)

Summary

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This article describes a sample preparation method based on heat-inactivation to preserve endogenous peptides avoiding degradation post-mortem, followed by relative quantitation using isotopic labeling plus LC-MS.

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Cite this Article

Correa, C. N., Fiametti, L. O., Mazzi Esquinca, M. E., Castro, L. M. d. Sample Preparation and Relative Quantitation using Reductive Methylation of Amines for Peptidomics Studies. J. Vis. Exp. (177), e62971, doi:10.3791/62971 (2021).

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