**Author details**

*Proteoforms - Concept and Applications in Medical Sciences*

sis, prepared figures, and wrote partial manuscript.

FSH follicle-stimulating hormone

PTM post-translational modifications

2DGE two-dimensional gel electrophoresis

PVDF polyvinylidene fluoride

Introduction (to X.Z.).

**Conflict of interest**

other people or organizations.

DTT dithiothreitol

GO gene ontology IEF isoelectric focusing IPG immobilized pH gradient LH luteinizing hormone *Mr* molecular weight MS mass spectrometry p*I* isoelectric point PRL prolactin

**Author's contributions**

**Abbreviations**

(Grant No. 81572278 and 81272798 to X.Z.), China "863" Plan Project (Grant No. 2014AA020610-1 to X.Z.), the Hunan Provincial Natural Science Foundation of China (Grant No. 14JJ7008 to X.Z.), and the Xiangya Hospital Funds for Talent

The authors declare that they have no financial and personal relationships with

X.Z. conceived the concept, designed the manuscript, wrote and critically revised the manuscript, coordinated, and was responsible for the correspondence work and financial support. Q.S. participated in the literature analysis, data analy-

SDS-PAGE sodium dodecyl sulfate polyacrylamide gel electrophoresis

**56**

Xianquan Zhan1,2,3\* and Shehua Qian1,2,3

1 University Creative Research Initiatives Center, Shandong First Medical University, Jinan, Shandong, China

2 Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China

3 State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China

\*Address all correspondence to: yjzhan2011@gmail.com

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
