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Li M, Zhang J, Li Z, Xu Z, Qian S, Tay LJ, Zhang Z, Yang F, Huang Y. The role and mechanism of SUMO modification in liver disease. Biomed Pharmacother 2024; 177:116898. [PMID: 38878635 DOI: 10.1016/j.biopha.2024.116898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 07/28/2024] Open
Abstract
Liver disease affects millions of people in the world, and China has the highest prevalence of liver disease in the world. Small ubiquitin-related modifier (SUMO) modification is a highly conserved post-translational modification of proteins. They are widely expressed in a variety of tissues, including the heart, liver, kidney and lung. SUMOylation of protein plays a key role in the occurrence and development of liver disease. Therefore, this study reviewed the effects of SUMO protein on non-alcoholic fatty liver disease (NAFLD), alcoholic liver disease (ALD), viral hepatitis, hepatic fibrosis (HF), hepatocellular carcinoma (HCC), and other liver diseases to provide novel strategies for targeted treatment of liver disease.
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Affiliation(s)
- Mengxue Li
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China
| | - Jingrong Zhang
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China
| | - Zihao Li
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China
| | - Zhou Xu
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China
| | - Shishun Qian
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China
| | - Lynn Jia Tay
- School of International Education, Anhui Medical University, Hefei 230032, China
| | - Ziwen Zhang
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China
| | - Furong Yang
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China.
| | - Yan Huang
- Anhui Provincial laboratory of inflammatory and immunity Disease, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei 230032, China; School of International Education, Anhui Medical University, Hefei 230032, China.
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Zhou Y, Zhang Y, Li F, Lian X, Zhu Q, Zhu F, Qiu Y. SISPRO: signature identification for spatial proteomics. J Mol Biol 2023. [DOI: 10.1016/j.jmb.2022.167944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Abstract
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There is a continuous demand to improve our
understanding of fundamental
processes that underlie human health and disease. Therefore, novel
strategies that can assist in these efforts are required. For example,
molecular biology and genetic approaches have revolutionized our understanding
of protein-mediated processes by facilitating their direct visualization
and analyses in living cells. Despite these developments, genetic
manipulation has limitations in controlling events that occur after
translation such as posttranslational modifications (PTMs), which
are imperative regulatory elements. As a result, developing new methods
to study PTMs in live cells is a major bottleneck in deciphering their
exact roles in the myriad cellular processes. Synthetic and
semisynthetic proteins are prepared by combining
solid phase peptide synthesis (SPPS) and chemoselective ligation approaches
with synthetic or recombinant peptides. Employing protein synthesis
allows chemists to incorporate natural and unnatural modifications
with virtually unlimited number of functional groups into the protein’s
sequence, such as PTMs and their mimics. In addition, synthetic proteins
can include additional elements such as fluorescent tags, reactive
groups, caged units, and enrichment handles. Therefore, harnessing
the power of chemical protein synthesis offers great opportunities
to study fundamental biological processes. Unfortunately, the
low cell permeability of proteins limits their
applications mainly to in vitro settings, excluding
live cell studies. As a result, chemical biologists have been attempting
to overcome these limitations by developing protein delivery methods
that would enable the study of custom-made proteins in a biological
context. Success with these strategies should enable accurate determination
of protein localization, degradation, folding, interactions, and involvement
in the assembly of membrane-less organelles formed by liquid–liquid
phase separation inside cells. Importantly, protein delivery approaches
are complementary to genetic manipulations, and combining these approaches
should pave the way to new discoveries. In this Account, we
describe recent developments in protein delivery
methods, with emphasis on those most compatible with synthetic proteins.
We highlight experimental approaches and conceptual adaptations required
to design and study synthetic proteins in live cells, with or without
genetic manipulation. In addition, we highlight the strength and weakness
of these approaches for both the delivery and the subsequent studies.
We also describe our endeavors to deliver synthetic proteins to cells
via cell penetrating peptides (CPPs) and multiplexed bead loading
(MBL), as showcases of the applications of these methods to shed light
on biological processes. Lastly, we contemplate other future applications
of synthetic proteins to answer questions that are currently unapproachable.
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Affiliation(s)
- Guy Mann
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 3200008, Israel
| | - Pradeep Sadhu
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 3200008, Israel
| | - Ashraf Brik
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 3200008, Israel
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Mann G, Sadhu P, Brik A. Multiplexed Delivery of Synthetic (Un)Conjugatable Ubiquitin and SUMO2 Enables Simultaneous Monitoring of Their Localization and Function in Live Cells. Chembiochem 2022; 23:e202200122. [PMID: 35235714 PMCID: PMC9401080 DOI: 10.1002/cbic.202200122] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Indexed: 11/17/2022]
Abstract
Ubiquitin (Ub) and its related small Ub like modifier (SUMO) are among the most influential protein post-translational modifications in eukaryotes. Unfortunately, visualizing these modifications in live cells is a challenging task. Chemical protein synthesis offers great opportunities in studying and further understanding Ub and SUMO biology. Nevertheless, the low cell permeability of proteins limits these studies mainly for in vitro applications. Here, we introduce a multiplexed protein cell delivery approach, termed MBL (multiplexed bead loading), for simultaneous loading of up to four differentially labeled proteins with organic fluorophores. We applied MBL to visualize ubiquitination and SUMOylation events in live and untransfected cells without fluorescent protein tags or perturbation to their endogenous levels. Our study reveals unprecedented involvements of Ub and SUMO2 in lysosomes depending on conjugation states. We envision that this approach will improve our understanding of dynamic cellular processes such as formation and disassembly of membraneless organelles.
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Affiliation(s)
- Guy Mann
- Schulich Faculty of ChemistryTechnion-Israel Institute of TechnologyHaifa3200008Israel
| | - Pradeep Sadhu
- Schulich Faculty of ChemistryTechnion-Israel Institute of TechnologyHaifa3200008Israel
| | - Ashraf Brik
- Schulich Faculty of ChemistryTechnion-Israel Institute of TechnologyHaifa3200008Israel
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