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Lai H, Yang Y, Zhang J. Advances in post-translational modifications and recurrent spontaneous abortion. Gene 2024; 927:148700. [PMID: 38880188 DOI: 10.1016/j.gene.2024.148700] [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: 01/31/2024] [Revised: 05/25/2024] [Accepted: 06/13/2024] [Indexed: 06/18/2024]
Abstract
Recurrent spontaneous abortion (RSA) is defined as two or more pregnancy loss, which affects approximately 1-2% of women's fertility. The etiology of RSA has not yet been fully revealed, which poses a great problem for clinical treatment. Post- translational modifications(PTMs) are chemical modifications that play a crucial role in the functional proteome. A considerable number of published studies have shown the relationship between post-translational modifications of various proteins and RSA. The study of PTMs contributes to elucidating the role of modified proteins in the pathogenesis of RSA, as well as the design of more effective diagnostic/prognostic tools and more targeted treatments. Most reviews in the field of RSA have only focused on RNA epigenomics research. The present review reports the latest research developments of PTMs related to RSA, such as glycosylation, phosphorylation, Methylation, Acetylation, Ubiquitination, etc.
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Affiliation(s)
- Hanhong Lai
- Jinan University, Guangzhou, Guangdong 510632, People's Republic of China
| | - Yi Yang
- Jinan University, Guangzhou, Guangdong 510632, People's Republic of China
| | - Jun Zhang
- Jinan University, Guangzhou, Guangdong 510632, People's Republic of China.
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2
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Qu Z, Li Y, Li W, Zhang N, Olajide JS, Mi X, Fu B. Global profiling of protein S-palmitoylation in the second-generation merozoites of Eimeria tenella. Parasitol Res 2024; 123:190. [PMID: 38647704 DOI: 10.1007/s00436-024-08204-2] [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: 11/18/2023] [Accepted: 04/04/2024] [Indexed: 04/25/2024]
Abstract
The intracellular protozoan Eimeria tenella is responsible for avian coccidiosis which is characterized by host intestinal damage. During developmental cycle, E. tenella undergoes versatile transitional stages such as oocyst, sporozoites, merozoites, and gametocytes. These developmental transitions involve changes in cell shape and cell size requiring cytoskeletal remodeling and changes in membrane proteins, which may require transcriptional and translational regulations as well as post-translational modification of proteins. Palmitoylation is a post-translational modification (PTM) of protein that orchestrates protein targeting, folding, stability, regulated enzymatic activity and even epigenetic regulation of gene expression. Previous research revealed that protein palmitoylation play essential role in Toxoplasma gondii, Trypanosoma cruzi, Trichomonas vaginalis, and several Plasmodium parasites. Until now, there is little information on the enzymes related to palmitoylation and role of protein acylation or palmitoylation in E. tenella. Therefore, palmitome of the second-generation merozoite of E. tenella was investigated. We identified a total of 2569 palmitoyl-sites that were assigned to 2145 palmitoyl-peptides belonging to 1561 protein-groups that participated in biological processes including parasite morphology, motility and host cell invasion. In addition, RNA biosynthesis, protein biosynthesis, folding, proteasome-ubiquitin degradation, and enzymes involved in PTMs, carbohydrate metabolism, glycan biosynthesis, and mitochondrial respiratory chain as well as vesicle trafficking were identified. The study allowed us to decipher the broad influence of palmitoylation in E. tenella biology, and its potential roles in the pathobiology of E. tenella infection. Raw data are publicly available at iProX with the dataset identifier PXD045061.
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Affiliation(s)
- Zigang Qu
- State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Public Health of the Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China
| | - Yuqiong Li
- Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan, 750002, People's Republic of China
| | - Wenhui Li
- State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Public Health of the Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China
| | - Nianzhang Zhang
- State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Public Health of the Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China
| | - Joshua Seun Olajide
- State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Public Health of the Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
- Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China
| | - Xiaoyun Mi
- Xinjiang Key Laboratory of Animal Infectious Diseases, Institute of Veterinary Medicine, Xinjiang Academy of Animal Sciences, Urumqi, Xinjiang, 830013, People's Republic of China.
| | - Baoquan Fu
- State Key Laboratory for Animal Disease Control and Prevention, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China.
- Key Laboratory of Veterinary Public Health of the Ministry of Agriculture, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China.
- Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, Gansu Province, 730046, People's Republic of China.
- Jiangsu Co-Innovation Center for Prevention and Control of Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu Province, 225009, People's Republic of China.
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Bagh MB, Appu AP, Sadhukhan T, Mondal A, Plavelil N, Raghavankutty M, Supran AM, Sadhukhan S, Liu A, Mukherjee AB. Disruption of lysosomal nutrient sensing scaffold contributes to pathogenesis of a fatal neurodegenerative lysosomal storage disease. J Biol Chem 2024; 300:105641. [PMID: 38211816 PMCID: PMC10862020 DOI: 10.1016/j.jbc.2024.105641] [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: 06/06/2023] [Revised: 11/27/2023] [Accepted: 12/17/2023] [Indexed: 01/13/2024] Open
Abstract
The ceroid lipofuscinosis neuronal 1 (CLN1) disease, formerly called infantile neuronal ceroid lipofuscinosis, is a fatal hereditary neurodegenerative lysosomal storage disorder. This disease is caused by loss-of-function mutations in the CLN1 gene, encoding palmitoyl-protein thioesterase-1 (PPT1). PPT1 catalyzes depalmitoylation of S-palmitoylated proteins for degradation and clearance by lysosomal hydrolases. Numerous proteins, especially in the brain, require dynamic S-palmitoylation (palmitoylation-depalmitoylation cycles) for endosomal trafficking to their destination. While 23 palmitoyl-acyl transferases in the mammalian genome catalyze S-palmitoylation, depalmitoylation is catalyzed by thioesterases such as PPT1. Despite these discoveries, the pathogenic mechanism of CLN1 disease has remained elusive. Here, we report that in the brain of Cln1-/- mice, which mimic CLN1 disease, the mechanistic target of rapamycin complex-1 (mTORC1) kinase is hyperactivated. The activation of mTORC1 by nutrients requires its anchorage to lysosomal limiting membrane by Rag GTPases and Ragulator complex. These proteins form the lysosomal nutrient sensing scaffold to which mTORC1 must attach to activate. We found that in Cln1-/- mice, two constituent proteins of the Ragulator complex (vacuolar (H+)-ATPase and Lamtor1) require dynamic S-palmitoylation for endosomal trafficking to the lysosomal limiting membrane. Intriguingly, Ppt1 deficiency in Cln1-/- mice misrouted these proteins to the plasma membrane disrupting the lysosomal nutrient sensing scaffold. Despite this defect, mTORC1 was hyperactivated via the IGF1/PI3K/Akt-signaling pathway, which suppressed autophagy contributing to neuropathology. Importantly, pharmacological inhibition of PI3K/Akt suppressed mTORC1 activation, restored autophagy, and ameliorated neurodegeneration in Cln1-/- mice. Our findings reveal a previously unrecognized role of Cln1/Ppt1 in regulating mTORC1 activation and suggest that IGF1/PI3K/Akt may be a targetable pathway for CLN1 disease.
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Affiliation(s)
- Maria B Bagh
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Abhilash P Appu
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Tamal Sadhukhan
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Avisek Mondal
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Nisha Plavelil
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Mahadevan Raghavankutty
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Ajayan M Supran
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Sriparna Sadhukhan
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Aiyi Liu
- Biostatistics and Bioinformatics Branch (HNT72), Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA
| | - Anil B Mukherjee
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, USA.
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4
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Ma L, Zhang L, Liao Z, Xiu C, Luo X, Luo N, Zhang L, He G, Chen J. Pharmacological inhibition of protein S-palmitoylation suppresses osteoclastogenesis and ameliorates ovariectomy-induced bone loss. J Orthop Translat 2023; 42:1-14. [PMID: 37521493 PMCID: PMC10372326 DOI: 10.1016/j.jot.2023.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/16/2023] [Accepted: 06/28/2023] [Indexed: 08/01/2023] Open
Abstract
Background Excessive osteoclast formation disrupts bone homeostasis, thereby significantly contributing to pathological bone loss associated with a variety of diseases. Protein S-palmitoylation is a reversible post-translational lipid modification catalyzed by ZDHHC family of palmitoyl acyltransferases, which plays an important role in various physiological and pathological processes. However, the role of palmitoylation in osteoclastogenesis has never been explored. Consequently, it is unclear whether this process can be targeted to treat osteolytic bone diseases that are mainly caused by excessive osteoclast formation. Materials and methods In this study, we employed acyl-biotin exchange (ABE) assay to reveal protein S-palmitoylation in differentiating osteoclasts (OCs). We utilized 2-bromopalmitic acid (2-BP), a pharmacological inhibitor of protein S-palmitoylation, to inhibit protein palmitoylation in mouse bone marrow-derived macrophages (BMMs), and tested its effect on receptor activator of nuclear factor κβ ligand (RANKL)-induced osteoclast differentiation and activity by TRAP staining, phalloidin staining, qPCR analyses, and pit formation assays. We also evaluated the protective effect of 2-BP against estrogen deficiency-induced bone loss and bone resorption in ovariectomized (OVX) mice using μCT, H&E staining, TRAP staining, and ELISA assay. Furthermore, we performed western blot analyses to explore the molecular mechanism underlying the inhibitory effect of 2-BP on osteoclastogenesis. Results We found that many proteins were palmitoylated in differentiating OCs and that pharmacological inhibition of palmitoylation impeded RANKL-induced osteoclastogenesis, osteoclast-specific gene expression, F-actin ring formation and osteoclastic bone resorption in vitro, and to a lesser extent, osteoblast formation from MC3T3-E1 cells. Furthermore, we demonstrated that administration of 2-BP protected mice from ovariectomy-induced osteoporosis and bone resorption in vivo. Mechanistically, we showed that 2-BP treatment inhibited osteoclastogenesis partly by downregulating the expression of c-Fos and NFATc1 without overtly affecting RANKL-induced activation of osteoclastogenic AKT, MAPK, and NF-κB pathways. Conclusion Pharmacological inhibition of palmitoylation potently suppresses RANKL-mediated osteoclast differentiation in vitro and protects mice against OVX-induced osteoporosis in vivo. Mechanistically, palmitoylation regulates osteoclast differentiation partly by promoting the expression of c-Fos and NFATc1. Thus, palmitoylation plays a key role in promoting osteoclast differentiation and activity, and could serve as a potential therapeutic target for the treatment of osteoporosis and other osteoclast-related diseases. The translational potential of this article The translation potential of this article is that we first revealed palmitoylation as a key mechanism regulating osteoclast differentiation, and therefore provided a potential therapeutic target for treating osteolytic bone diseases.
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Affiliation(s)
- Linghui Ma
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, Department of Clinical Medicine, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Liwei Zhang
- Department of Orthopedics, Taizhou Hospital of Zhejiang Province, Zhejiang University, Taizhou, Zhejiang, China
| | - Zirui Liao
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Chunmei Xiu
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, Department of Clinical Medicine, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
| | - Xi Luo
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Na Luo
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Lei Zhang
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Guangxu He
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jianquan Chen
- Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, Department of Clinical Medicine, School of Medicine, Hangzhou City University, Hangzhou, Zhejiang, China
- Orthopedic Institute, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
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5
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Nůsková H, Cortizo FG, Schwenker LS, Sachsenheimer T, Diakonov EE, Tiebe M, Schneider M, Lohbeck J, Reid C, Kopp-Schneider A, Helm D, Brügger B, Miller AK, Teleman AA. Competition for cysteine acylation by C16:0 and C18:0 derived lipids is a global phenomenon in the proteome. J Biol Chem 2023; 299:105088. [PMID: 37495107 PMCID: PMC10470219 DOI: 10.1016/j.jbc.2023.105088] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/28/2023] Open
Abstract
S-acylation is a reversible posttranslational protein modification consisting of attachment of a fatty acid to a cysteine via a thioester bond. Research over the last few years has shown that a variety of different fatty acids, such as palmitic acid (C16:0), stearate (C18:0), or oleate (C18:1), are used in cells to S-acylate proteins. We recently showed that GNAI proteins can be acylated on a single residue, Cys3, with either C16:0 or C18:1, and that the relative proportion of acylation with these fatty acids depends on the level of the respective fatty acid in the cell's environment. This has functional consequences for GNAI proteins, with the identity of the acylating fatty acid affecting the subcellular localization of GNAIs. Unclear is whether this competitive acylation is specific to GNAI proteins or a more general phenomenon in the proteome. We perform here a proteome screen to identify proteins acylated with different fatty acids. We identify 218 proteins acylated with C16:0 and 308 proteins acylated with C18-lipids, thereby uncovering novel targets of acylation. We find that most proteins that can be acylated by C16:0 can also be acylated with C18-fatty acids. For proteins with more than one acylation site, we find that this competitive acylation occurs on each individual cysteine residue. This raises the possibility that the function of many different proteins can be regulated by the lipid environment via differential S-acylation.
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Affiliation(s)
- Hana Nůsková
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Fabiola Garcia Cortizo
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Lena Sophie Schwenker
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Egor E Diakonov
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Marcel Tiebe
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Martin Schneider
- Mass Spectrometry Based Protein Analysis Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jasmin Lohbeck
- Research Group Cancer Drug Development, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Carissa Reid
- Division of Biostatistics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Dominic Helm
- Mass Spectrometry Based Protein Analysis Unit, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Britta Brügger
- Heidelberg University Biochemistry Center (BZH), Heidelberg, Germany
| | - Aubry K Miller
- Research Group Cancer Drug Development, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Aurelio A Teleman
- Division of Signal Transduction in Cancer and Metabolism, German Cancer Research Center (DKFZ), Heidelberg, Germany.
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6
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Wu X, Xu M, Geng M, Chen S, Little PJ, Xu S, Weng J. Targeting protein modifications in metabolic diseases: molecular mechanisms and targeted therapies. Signal Transduct Target Ther 2023; 8:220. [PMID: 37244925 DOI: 10.1038/s41392-023-01439-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/01/2023] [Accepted: 04/06/2023] [Indexed: 05/29/2023] Open
Abstract
The ever-increasing prevalence of noncommunicable diseases (NCDs) represents a major public health burden worldwide. The most common form of NCD is metabolic diseases, which affect people of all ages and usually manifest their pathobiology through life-threatening cardiovascular complications. A comprehensive understanding of the pathobiology of metabolic diseases will generate novel targets for improved therapies across the common metabolic spectrum. Protein posttranslational modification (PTM) is an important term that refers to biochemical modification of specific amino acid residues in target proteins, which immensely increases the functional diversity of the proteome. The range of PTMs includes phosphorylation, acetylation, methylation, ubiquitination, SUMOylation, neddylation, glycosylation, palmitoylation, myristoylation, prenylation, cholesterylation, glutathionylation, S-nitrosylation, sulfhydration, citrullination, ADP ribosylation, and several novel PTMs. Here, we offer a comprehensive review of PTMs and their roles in common metabolic diseases and pathological consequences, including diabetes, obesity, fatty liver diseases, hyperlipidemia, and atherosclerosis. Building upon this framework, we afford a through description of proteins and pathways involved in metabolic diseases by focusing on PTM-based protein modifications, showcase the pharmaceutical intervention of PTMs in preclinical studies and clinical trials, and offer future perspectives. Fundamental research defining the mechanisms whereby PTMs of proteins regulate metabolic diseases will open new avenues for therapeutic intervention.
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Affiliation(s)
- Xiumei Wu
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, Anhui, 230001, China
- Department of Endocrinology and Metabolism, Guangdong Provincial Key Laboratory of Diabetology, The Third Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, China
| | - Mengyun Xu
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Mengya Geng
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Shuo Chen
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Peter J Little
- School of Pharmacy, University of Queensland, Pharmacy Australia Centre of Excellence, Woolloongabba, QLD, 4102, Australia
- Sunshine Coast Health Institute and School of Health and Behavioural Sciences, University of the Sunshine Coast, Birtinya, QLD, 4575, Australia
| | - Suowen Xu
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, Anhui, 230001, China
| | - Jianping Weng
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, Anhui, 230001, China.
- Department of Endocrinology and Metabolism, Guangdong Provincial Key Laboratory of Diabetology, The Third Affiliated Hospital of Sun Yat-sen University, 510000, Guangzhou, China.
- Bengbu Medical College, Bengbu, 233000, China.
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7
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Jain V, Singh MP, Amaravadi RK. Recent advances in targeting autophagy in cancer. Trends Pharmacol Sci 2023; 44:290-302. [PMID: 36931971 PMCID: PMC10106406 DOI: 10.1016/j.tips.2023.02.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/20/2023] [Accepted: 02/20/2023] [Indexed: 03/17/2023]
Abstract
Autophagy is a cellular homeostasis mechanism that fuels the proliferation and survival of advanced cancers by degrading and recycling organelles and proteins. Preclinical studies have identified that within an established tumor, tumor cell autophagy and host cell autophagy conspire to support tumor growth. A growing body of evidence suggests that autophagy inhibition can augment the efficacy of chemotherapy, targeted therapy, or immunotherapy to enhance tumor shrinkage. First-generation autophagy inhibition trials in cancer using the lysosomal inhibitor hydroxychloroquine (HCQ) have produced mixed results but have guided the way for the development of more potent and specific autophagy inhibitors in clinical trials. In this review, we will discuss the role of autophagy in cancer, newly discovered molecular mechanisms of the autophagy pathway, the effects of autophagy modulation in cancer and host cells, and novel autophagy inhibitors that are entering clinical trials.
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Affiliation(s)
- Vaibhav Jain
- Abramson Cancer Center and Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Mahendra Pal Singh
- Abramson Cancer Center and Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ravi K Amaravadi
- Abramson Cancer Center and Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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8
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Pham TV, Hsiao WY, Wang YT, Yeh SD, Wang SW. Protein S-palmitoylation regulates different stages of meiosis in Schizosaccharomyces pombe. Life Sci Alliance 2023; 6:e202201755. [PMID: 36650056 PMCID: PMC9845910 DOI: 10.26508/lsa.202201755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 01/06/2023] [Accepted: 01/06/2023] [Indexed: 01/19/2023] Open
Abstract
Posttranslational protein S-palmitoylation regulates the localization and function of its target proteins involved in diverse cellular processes including meiosis. In this study, we demonstrate that S-palmitoylation mediated by Erf2-Erf4 and Akr1 palmitoylacyltransferases is required at multiple meiotic stages in the fission yeast Schizosaccharomyces pombe We find that S-palmitoylation by Erf2-Erf4 is required for Ras1 localization at the cell periphery to enrich at the cell conjugation site for mating pheromone response. In the absence of Erf2 or Erf4, mutant cells are sterile. A role of Akr1 S-palmitoylating the nuclear fusion protein Tht1 to function in karyogamy is identified. We demonstrate that S-palmitoylation stabilizes and localizes Tht1 to ER, interacting with Sey1 ER fusion GTPase for proper meiotic nuclear fusion. In akr1, tht1, or sey1 mutant, meiotic cells, haploid nuclei are unfused with subsequent chromosome segregation defects. Erf2-Erf4 has an additional substrate of the spore coat protein Isp3. In the absence of Erf2, Isp3 is mislocalized from the spore coat. Together, these results highlight the versatility of the cellular processes in which protein S-palmitoylation participates.
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Affiliation(s)
- Thanh-Vy Pham
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan Town, Taiwan
- Department of Life Sciences, National Central University, Taoyuan, Taiwan
| | - Wan-Yi Hsiao
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan Town, Taiwan
| | - Yi-Ting Wang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan Town, Taiwan
| | - Shu-Dan Yeh
- Department of Life Sciences, National Central University, Taoyuan, Taiwan
| | - Shao-Win Wang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan Town, Taiwan
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Palmitoyl Transferase FonPAT2-Catalyzed Palmitoylation of the FonAP-2 Complex Is Essential for Growth, Development, Stress Response, and Virulence in Fusarium oxysporum f. sp. niveum. Microbiol Spectr 2023; 11:e0386122. [PMID: 36533963 PMCID: PMC9927311 DOI: 10.1128/spectrum.03861-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Protein palmitoylation, one of posttranslational modifications, is catalyzed by a group of palmitoyl transferases (PATs) and plays critical roles in the regulation of protein functions. However, little is known about the function and mechanism of PATs in plant pathogenic fungi. The present study reports the function and molecular mechanism of FonPATs in Fusarium oxysporum f. sp. niveum (Fon), the causal agent of watermelon Fusarium wilt. The Fon genome contains six FonPAT genes with distinct functions in vegetative growth, conidiation and conidial morphology, and stress response. FonPAT1, FonPAT2, and FonPAT4 have PAT activity and are required for Fon virulence on watermelon mainly through regulating in planta fungal growth within host plants. Comparative proteomics analysis identified a set of proteins that were palmitoylated by FonPAT2, and some of them are previously reported pathogenicity-related proteins in fungi. The FonAP-2 complex core subunits FonAP-2α, FonAP-2β, and FonAP-2μ were palmitoylated by FonPAT2 in vivo. FonPAT2-catalyzed palmitoylation contributed to the stability and interaction ability of the core subunits to ensure the formation of the FonAP-2 complex, which is essential for vegetative growth, asexual reproduction, cell wall integrity, and virulence in Fon. These findings demonstrate that FonPAT1, FonPAT2, and FonPAT4 play important roles in Fon virulence and that FonPAT2-catalyzed palmitoylation of the FonAP-2 complex is critical to Fon virulence, providing novel insights into the importance of protein palmitoylation in the virulence of plant fungal pathogens. IMPORTANCE Fusarium oxysporum f. sp. niveum (Fon), the causal agent of watermelon Fusarium wilt, is one of the most serious threats for the sustainable development of the watermelon industry worldwide. However, little is known about the underlying molecular mechanism of pathogenicity in Fon. Here, we found that the palmitoyl transferase (FonPAT) genes play distinct and diverse roles in basic biological processes and stress response and demonstrated that FonPAT1, FonPAT2, and FonPAT4 have PAT activity and are required for virulence in Fon. We also found that FonPAT2 palmitoylates the core subunits of the FonAP-2 complex to maintain the stability and the formation of the FonAP-2 complex, which is essential for basic biological processes, stress response, and virulence in Fon. Our study provides new insights into the understanding of the molecular mechanism involved in Fon virulence and will be helpful in the development of novel strategies for disease management.
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Palmitoyl transferases act as potential regulators of tumor-infiltrating immune cells and glioma progression. MOLECULAR THERAPY - NUCLEIC ACIDS 2022; 28:716-731. [PMID: 35664705 PMCID: PMC9126852 DOI: 10.1016/j.omtn.2022.04.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 04/29/2022] [Indexed: 12/20/2022]
Abstract
High immune-cell infiltration in glioblastomas (GBMs) leads to immunotherapy resistance. Emerging evidence has shown that zinc finger Asp-His-His-Cyc-type (ZDHHC) palmitoyl transferases participate in regulating tumor progression and the immune microenvironment. In the present study, a large cohort of patients with gliomas from The Cancer Genome Atlas (TCGA) and Rembrandt databases was included to perform omics analysis of ZDHHCs in gliomas. CCK-8, flow cytometry, quantitative real-time PCR, western blotting, and transwell assays were performed to determine the effects of ZDHHC inhibition on glioma cells and microglia. We found that five (ZDHHC11, ZDHHC12, ZDHHC15, ZDHHC22, and ZDHHC23) out of 23 ZDHHCs were aberrantly expressed in gliomas and might play their roles through the phosphatidylinositol 3-kinase/protein kinase B (PI3K/AKT) signaling pathway. Further results indicated that inhibition of ZDHHCs with 2-bromopalmitate (2-BP) suppressed glioma-cell viability and autophagy, as well as promoted apoptosis. Targeting ZDHHCs also promoted the sensitivity of glioma cells to temozolomide (TMZ) chemotherapy. In addition, the inhibition of ZDHHCs weakened the migratory ability of microglia induced by glioma cells in vitro and in vivo. Taken together, our findings suggest that the inhibition of ZDHHCs suppresses glioma-cell viability and microglial infiltration. Targeting ZDHHCs may be promising for glioma treatments.
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Tan X, Sun Y, Chen L, Hu J, Meng Y, Yuan M, Wang Q, Li S, Zheng G, Qiu Z. Caffeine Ameliorates AKT-Driven Nonalcoholic Steatohepatitis by Suppressing De Novo Lipogenesis and MyD88 Palmitoylation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6108-6122. [PMID: 35536225 DOI: 10.1021/acs.jafc.2c01013] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Dysregulated hepatic lipogenesis represents a promising druggable target for treating nonalcoholic steatohepatitis (NASH). This work aims to evaluate the therapeutic efficacy of caffeine in a NASH mouse model displaying increased hepatic lipogenesis driven by constitutive hepatic overexpression of the active v-akt murine thymoma viral oncogene homolog (AKT). Caffeine was administered in the AKT mice to study the efficacy in vivo. AKT-transfected and insulin-stimulated human hepatoma cells were used for in vitro experiments. The results demonstrated that caffeine ameliorated hepatic steatosis and inflammatory injury in vivo. Mechanistically, caffeine repressed the AKT/mTORC1 and SREBP-1/ACC/FASN signaling in mice and in vitro. Furthermore, caffeine impaired NF-κB activation by stabilizing IκBα, resulting in a reduction of proinflammatory mediators interleukin-6 (IL-6) and tumor necrosis factor α (TNF-α). Notably, caffeine abolished mTORC1/FASN-dependent MyD88 palmitoylation, which could be essential for its anti-inflammatory potential. Collectively, these results suggest that caffeine consumption could be advantageous in the prevention and therapy of NASH, especially in the subset accompanied by increased de novo lipogenesis.
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Affiliation(s)
- Xiangyun Tan
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Yi Sun
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Liang Chen
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Junjie Hu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Yan Meng
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Ming Yuan
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Qi Wang
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Shan Li
- Hubei Key Laboratory of Wudang Local Chinese Medicine Research, Hubei University of Medicine, Shiyan 442000, People's Republic of China
| | - Guohua Zheng
- Key Laboratory of Chinese Medicine Resource and Compound Prescription, Ministry of Education, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
| | - Zhenpeng Qiu
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
- Hubei Key Laboratory of Resources and Chemistry of Chinese Medicine, Hubei University of Chinese Medicine, Wuhan 430065, People's Republic of China
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12
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Zhou J, Liu H, Lin Y, Zhao J. Membrane Occupation and Recognition Nexus (MORN) motif controls protein localization and function. FEBS Lett 2022; 596:1839-1850. [PMID: 35568981 DOI: 10.1002/1873-3468.14378] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/23/2022] [Accepted: 05/07/2022] [Indexed: 11/06/2022]
Abstract
Membrane Occupation and Recognition Nexus (MORN) motif was first defined in 2000, when it was identified in the junctophilin protein family. Dozens of studies have been published ever since, mainly focusing on the function of a given MORN motif-containing protein in parasites, plants or animal cells. Proteins with MORN motifs are not only expressed in most animal and plant cell types but also significantly differ in their intracellular localization, suggesting that the MORN motifs may fulfil multiple physiological functions. Recent studies have found that MORN motif-containing proteins junctophilin 1/2 and MORN3 play a role in cardiac hypertrophy, skeletal muscle fiber stability and cancer. Hence, MORN motif-containing proteins may be exploited to develop improved treatments for various pathological conditions, such as cardiovascular diseases. Here, we review current research on MORN motif-containing proteins in different organisms and provide both ideas and approaches for follow-up exploration of their functions and applications.
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Affiliation(s)
- Jinrun Zhou
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
| | - Honghong Liu
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
| | - Yushuang Lin
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
| | - Jing Zhao
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, 266237, P. R. China
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13
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Sun Y, Guan Z, Sheng Q, Duan W, Zhao H, Zhou J, Deng Q, Pei X. N-myristoyltransferase-1 deficiency blocks myristoylation of LAMTOR1 and inhibits bladder cancer progression. Cancer Lett 2022; 529:126-138. [PMID: 34999170 DOI: 10.1016/j.canlet.2022.01.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 12/23/2021] [Accepted: 01/03/2022] [Indexed: 11/19/2022]
Abstract
N-myristoyltransferase-1 (NMT1) catalyzes protein posttranslational myristoylation and functions as an oncogene in various cancers, although its roles in bladder cancer remain elusive. Here, we demonstrated that NMT1 was obviously upregulated in bladder cancer and correlated with overall survival and poor prognosis. Elevation of NMT1 promotes cancer progression and inhibits autophagy in vitro and in vivo. Furthermore, we confirm that LAMTOR1 was myristoylated by NMT1 at Gly 2, resulting in increased LAMTOR1 protein stability and lysosomal localization. Importantly, B13, an inhibitor of NMT1 enzymatic activity, exerted its anti-tumor effects against bladder cancer cells in vitro and in vivo. Taken together, these findings uncover a molecular mechanism of NMT1 in modulating bladder cancer progression and indicate that targeting NMT1 may represent a novel clinical intervention in bladder cancer.
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Affiliation(s)
- Yi Sun
- Department of Urology, Shaanxi Provincial People's Hospital, 710068, Xi'an, PR China.
| | - Zhenfeng Guan
- Department of Urology, Shaanxi Provincial People's Hospital, 710068, Xi'an, PR China
| | - Qiu Sheng
- Department of Prevention and Health Care, Hospital of Northwestern Polytechnical University, 710072, Xi'an, PR China
| | - Wanli Duan
- Department of Urology, Shaanxi Provincial People's Hospital, 710068, Xi'an, PR China
| | - Huacai Zhao
- Department of Urology, Shaanxi Provincial People's Hospital, 710068, Xi'an, PR China
| | - Jiancheng Zhou
- Department of Urology, Shaanxi Provincial People's Hospital, 710068, Xi'an, PR China
| | - Qian Deng
- Department of Urology, Shaanxi Provincial People's Hospital, 710068, Xi'an, PR China
| | - Xinqi Pei
- Department of Urology, Shaanxi Provincial People's Hospital, 710068, Xi'an, PR China
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Garst EH, Das T, Hang HC. Chemical approaches for investigating site-specific protein S-fatty acylation. Curr Opin Chem Biol 2021; 65:109-117. [PMID: 34333222 PMCID: PMC8671186 DOI: 10.1016/j.cbpa.2021.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/09/2021] [Accepted: 06/18/2021] [Indexed: 12/27/2022]
Abstract
Protein S-fatty acylation or S-palmitoylation is a reversible and regulated lipid post-translational modification (PTM) in eukaryotes. Loss-of-function mutagenesis studies have suggested important roles for protein S-fatty acylation in many fundamental biological pathways in development, neurobiology, and immunity that are also associated with human diseases. However, the hydrophobicity and reversibility of this PTM have made site-specific gain-of-function studies more challenging to investigate. In this review, we summarize recent chemical biology approaches and methods that have enabled site-specific gain-of-function studies of protein S-fatty acylation and the investigation of the mechanisms and significance of this PTM in eukaryotic biology.
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Affiliation(s)
- Emma H Garst
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY 10065, United States; Tri-Institutional Ph.D. Program in Chemical Biology, New York, NY 10065, United States
| | - Tandrila Das
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY 10065, United States; Tri-Institutional Ph.D. Program in Chemical Biology, New York, NY 10065, United States
| | - Howard C Hang
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY 10065, United States; Departments of Immunology and Microbiology and Chemistry, Scripps Research, La Jolla, CA 92037, United States.
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15
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Uzbekova S, Teixeira-Gomes AP, Marestaing A, Jarrier-Gaillard P, Papillier P, Shedova EN, Singina GN, Uzbekov R, Labas V. Protein Palmitoylation in Bovine Ovarian Follicle. Int J Mol Sci 2021; 22:ijms222111757. [PMID: 34769186 PMCID: PMC8583988 DOI: 10.3390/ijms222111757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 11/16/2022] Open
Abstract
Protein palmitoylation is a reversible post-translational modification by fatty acids (FA), mainly a palmitate (C16:0). Palmitoylation allows protein shuttling between the plasma membrane and cytosol to regulate protein stability, sorting and signaling activity and its deficiency leads to diseases. We aimed to characterize the palmitoyl-proteome of ovarian follicular cells and molecular machinery regulating protein palmitoylation within the follicle. For the first time, 84 palmitoylated proteins were identified from bovine granulosa cells (GC), cumulus cells (CC) and oocytes by acyl-biotin exchange proteomics. Of these, 32 were transmembrane proteins and 27 proteins were detected in bovine follicular fluid extracellular vesicles (ffEVs). Expression of palmitoylation and depalmitoylation enzymes as palmitoyltransferases (ZDHHCs), acylthioesterases (LYPLA1 and LYPLA2) and palmitoylthioesterases (PPT1 and PPT2) were analysed using transcriptome and proteome data in oocytes, CC and GC. By immunofluorescence, ZDHHC16, PPT1, PPT2 and LYPLA2 proteins were localized in GC, CC and oocyte. In oocyte and CC, abundance of palmitoylation-related enzymes significantly varied during oocyte maturation. These variations and the involvement of identified palmitoyl-proteins in oxidation-reduction processes, energy metabolism, protein localization, vesicle-mediated transport, response to stress, G-protein mediated and other signaling pathways suggests that protein palmitoylation may play important roles in oocyte maturation and ffEV-mediated communications within the follicle.
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Affiliation(s)
- Svetlana Uzbekova
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (A.M.); (P.J.-G.); (P.P.); (V.L.)
- Correspondence: ; Tel.: +33-247-427-951
| | | | - Aurélie Marestaing
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (A.M.); (P.J.-G.); (P.P.); (V.L.)
| | - Peggy Jarrier-Gaillard
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (A.M.); (P.J.-G.); (P.P.); (V.L.)
| | - Pascal Papillier
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (A.M.); (P.J.-G.); (P.P.); (V.L.)
| | - Ekaterina N. Shedova
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitzy 60, 142132 Podolsk, Russia; (E.N.S.); (G.N.S.)
| | - Galina N. Singina
- L.K. Ernst Federal Research Center for Animal Husbandry, Dubrovitzy 60, 142132 Podolsk, Russia; (E.N.S.); (G.N.S.)
| | - Rustem Uzbekov
- Laboratoire Biologie Cellulaire et Microscopie Électronique, Faculté de Médecine, Université de Tours, 37032 Tours, France;
| | - Valerie Labas
- CNRS, IFCE, INRAE, Université de Tours, PRC, 37380 Nouzilly, France; (A.M.); (P.J.-G.); (P.P.); (V.L.)
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16
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Chytła A, Gajdzik-Nowak W, Biernatowska A, Sikorski AF, Czogalla A. High-Level Expression of Palmitoylated MPP1 Recombinant Protein in Mammalian Cells. MEMBRANES 2021; 11:membranes11090715. [PMID: 34564532 PMCID: PMC8470630 DOI: 10.3390/membranes11090715] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 11/24/2022]
Abstract
Our recent studies have pointed to an important role of the MAGUK family member, MPP1, as a crucial molecule interacting with flotillins and involved in the lateral organization of the erythroid plasma membrane. The palmitoylation of MPP1 seems to be an important element in this process; however, studies on the direct effect of palmitoylation on protein–protein or protein–membrane interactions in vitro are still challenging due to the difficulties in obtaining functional post-translationally modified recombinant proteins and the lack of comprehensive protocols for the purification of palmitoylated proteins. In this work, we present an optimized approach for the high-yield overexpression and purification of palmitoylated recombinant MPP1 protein in mammalian HEK-293F cells. The presented approach facilitates further studies on the molecular mechanism of lateral membrane organization and the functional impact of the palmitoylation of MPP1, which could also be carried out for other palmitoylated proteins.
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Affiliation(s)
- Agnieszka Chytła
- Department of Cytobiochemistry, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland; (A.C.); (W.G.-N.)
| | - Weronika Gajdzik-Nowak
- Department of Cytobiochemistry, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland; (A.C.); (W.G.-N.)
| | - Agnieszka Biernatowska
- Department of Cytobiochemistry, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland; (A.C.); (W.G.-N.)
- Correspondence: (A.B.); (A.C.); Tel.: +48-7-1375-417 (A.B.); +48-7-1375-6356 (A.C.)
| | - Aleksander F. Sikorski
- Research and Development Center, Regional Specialist Hospital, Kamieńskiego 73a, 51-154 Wroclaw, Poland;
| | - Aleksander Czogalla
- Department of Cytobiochemistry, Faculty of Biotechnology, University of Wroclaw, 50-383 Wroclaw, Poland; (A.C.); (W.G.-N.)
- Correspondence: (A.B.); (A.C.); Tel.: +48-7-1375-417 (A.B.); +48-7-1375-6356 (A.C.)
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17
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Bandyopadhyay SS, Halder AK, Zaręba-Kozioł M, Bartkowiak-Kaczmarek A, Dutta A, Chatterjee P, Nasipuri M, Wójtowicz T, Wlodarczyk J, Basu S. RFCM-PALM: In-Silico Prediction of S-Palmitoylation Sites in the Synaptic Proteins for Male/Female Mouse Data. Int J Mol Sci 2021; 22:ijms22189901. [PMID: 34576064 PMCID: PMC8467992 DOI: 10.3390/ijms22189901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 11/16/2022] Open
Abstract
S-palmitoylation is a reversible covalent post-translational modification of cysteine thiol side chain by palmitic acid. S-palmitoylation plays a critical role in a variety of biological processes and is engaged in several human diseases. Therefore, identifying specific sites of this modification is crucial for understanding their functional consequences in physiology and pathology. We present a random forest (RF) classifier-based consensus strategy (RFCM-PALM) for predicting the palmitoylated cysteine sites on synaptic proteins from male/female mouse data. To design the prediction model, we have introduced a heuristic strategy for selection of the optimum set of physicochemical features from the AAIndex dataset using (a) K-Best (KB) features, (b) genetic algorithm (GA), and (c) a union (UN) of KB and GA based features. Furthermore, decisions from best-trained models of the KB, GA, and UN-based classifiers are combined by designing a three-star quality consensus strategy to further refine and enhance the scores of the individual models. The experiment is carried out on three categorized synaptic protein datasets of a male mouse, female mouse, and combined (male + female), whereas in each group, weighted data is used as training, and knock-out is used as the hold-out set for performance evaluation and comparison. RFCM-PALM shows ~80% area under curve (AUC) score in all three categories of datasets and achieve 10% average accuracy (male—15%, female—15%, and combined—7%) improvements on the hold-out set compared to the state-of-the-art approaches. To summarize, our method with efficient feature selection and novel consensus strategy shows significant performance gains in the prediction of S-palmitoylation sites in mouse datasets.
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Affiliation(s)
- Soumyendu Sekhar Bandyopadhyay
- Department of Computer Science and Engineering, Jadvapur University, Kolkata 700032, India; (S.S.B.); (A.K.H.); (A.D.); (M.N.)
- Department of Computer Science and Engineering, School of Engineering and Technology, Adamas University, Barasat, Kolkata 700126, India
| | - Anup Kumar Halder
- Department of Computer Science and Engineering, Jadvapur University, Kolkata 700032, India; (S.S.B.); (A.K.H.); (A.D.); (M.N.)
- Department of Computer Science and Engineering, University of Engineering & Management, Kolkata 700156, India
| | - Monika Zaręba-Kozioł
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland; (M.Z.-K.); (A.B.-K.); (T.W.)
| | - Anna Bartkowiak-Kaczmarek
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland; (M.Z.-K.); (A.B.-K.); (T.W.)
| | - Aviinandaan Dutta
- Department of Computer Science and Engineering, Jadvapur University, Kolkata 700032, India; (S.S.B.); (A.K.H.); (A.D.); (M.N.)
| | - Piyali Chatterjee
- Department of Computer Science and Engineering, Netaji Subhash Engineering College, Kolkata 700152, India;
| | - Mita Nasipuri
- Department of Computer Science and Engineering, Jadvapur University, Kolkata 700032, India; (S.S.B.); (A.K.H.); (A.D.); (M.N.)
| | - Tomasz Wójtowicz
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland; (M.Z.-K.); (A.B.-K.); (T.W.)
| | - Jakub Wlodarczyk
- The Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland; (M.Z.-K.); (A.B.-K.); (T.W.)
- Correspondence: (J.W.); (S.B.)
| | - Subhadip Basu
- Department of Computer Science and Engineering, Jadvapur University, Kolkata 700032, India; (S.S.B.); (A.K.H.); (A.D.); (M.N.)
- Correspondence: (J.W.); (S.B.)
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Du W, Hua F, Li X, Zhang J, Li S, Wang W, Zhou J, Wang W, Liao P, Yan Y, Li G, Wei S, Grove S, Vatan L, Zgodziński W, Majewski M, Wallner G, Chen H, Kryczek I, Fang JY, Zou W. Loss of Optineurin Drives Cancer Immune Evasion via Palmitoylation-Dependent IFNGR1 Lysosomal Sorting and Degradation. Cancer Discov 2021; 11:1826-1843. [PMID: 33627378 PMCID: PMC8292167 DOI: 10.1158/2159-8290.cd-20-1571] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/23/2021] [Accepted: 02/19/2021] [Indexed: 02/07/2023]
Abstract
Mutations in IFN and MHC signaling genes endow immunotherapy resistance. Patients with colorectal cancer infrequently exhibit IFN and MHC signaling gene mutations and are generally resistant to immunotherapy. In exploring the integrity of IFN and MHC signaling in colorectal cancer, we found that optineurin was a shared node between the two pathways and predicted colorectal cancer patient outcome. Loss of optineurin occurs in early-stage human colorectal cancer. Immunologically, optineurin deficiency was shown to attenuate IFNGR1 and MHC-I expression, impair T-cell immunity, and diminish immunotherapy efficacy in murine cancer models and patients with cancer. Mechanistically, we observed that IFNGR1 was S-palmitoylated on Cys122, and AP3D1 bound with and sorted palmitoylated IFNGR1 to lysosome for degradation. Unexpectedly, optineurin interacted with AP3D1 to prevent palmitoylated IFNGR1 lysosomal sorting and degradation, thereby maintaining IFNγ and MHC-I signaling integrity. Furthermore, pharmacologically targeting IFNGR1 palmitoylation stabilized IFNGR1, augmented tumor immunity, and sensitized checkpoint therapy. Thus, loss of optineurin drives immune evasion and intrinsic immunotherapy resistance in colorectal cancer. SIGNIFICANCE: Loss of optineurin impairs the integrity of both IFNγ and MHC-I signaling pathways via palmitoylation-dependent IFNGR1 lysosomal sorting and degradation, thereby driving immune evasion and intrinsic immunotherapy resistance in colorectal cancer. Our work suggests that pharmacologically targeting IFNGR1 palmitoylation can stabilize IFNGR1, enhance T-cell immunity, and sensitize checkpoint therapy in colorectal cancer.See related commentary by Salvagno and Cubillos-Ruiz, p. 1623.This article is highlighted in the In This Issue feature, p. 1601.
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Affiliation(s)
- Wan Du
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Fang Hua
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Xiong Li
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Jian Zhang
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Shasha Li
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Weichao Wang
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Jiajia Zhou
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Weimin Wang
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Peng Liao
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Yijian Yan
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Gaopeng Li
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Shuang Wei
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Sara Grove
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Linda Vatan
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Witold Zgodziński
- The 2nd Department of General Surgery, Medical University of Lublin, Lublin, Poland
| | - Marek Majewski
- The 2nd Department of General Surgery, Medical University of Lublin, Lublin, Poland
| | - Grzegorz Wallner
- The 2nd Department of General Surgery, Medical University of Lublin, Lublin, Poland
| | - Haoyan Chen
- State Key Laboratory for Oncogenes and Related Genes, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Division of Gastroenterology and Hepatology, Shanghai Institute of Digestive Disease, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ilona Kryczek
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
| | - Jing-Yuan Fang
- The 2nd Department of General Surgery, Medical University of Lublin, Lublin, Poland
| | - Weiping Zou
- Department of Surgery, University of Michigan School of Medicine, Ann Arbor, Michigan.
- Center of Excellence for Cancer Immunology and Immunotherapy, University of Michigan School of Medicine, Ann Arbor, Michigan
- Department of Pathology, University of Michigan School of Medicine, Ann Arbor, Michigan
- Graduate Program in Immunology, University of Michigan School of Medicine, Ann Arbor, Michigan
- Graduate Program in Tumor Biology, University of Michigan School of Medicine, Ann Arbor, Michigan
- University of Michigan Rogel Cancer Center, University of Michigan School of Medicine, Ann Arbor, Michigan
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19
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Sadhukhan T, Bagh MB, Appu AP, Mondal A, Zhang W, Liu A, Mukherjee AB. In a mouse model of INCL reduced S-palmitoylation of cytosolic thioesterase APT1 contributes to microglia proliferation and neuroinflammation. J Inherit Metab Dis 2021; 44:1051-1069. [PMID: 33739454 DOI: 10.1002/jimd.12379] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 03/13/2021] [Accepted: 03/17/2021] [Indexed: 01/19/2023]
Abstract
S-palmitoylation is a reversible posttranslational modification in which a 16-carbon saturated fatty acid (generally palmitate) is attached to specific cysteine residues in polypeptides via thioester linkage. Dynamic S-palmitoylation (palmitoylation-depalmitoylation), like phosphorylation-dephosphorylation, regulates the function of numerous proteins, especially in the brain. While a family of 23 palmitoyl-acyl transferases (PATS), commonly known as ZDHHCs, catalyze S-palmitoylation of proteins, the thioesterases, localized either in the cytoplasm (eg, APT1) or in the lysosome (eg, PPT1) mediate depalmitoylation. Previously, we reported that APT1 requires dynamic S-palmitoylation for shuttling between the cytosol and the plasma membrane. APT1 depalmitoylated H-Ras to regulate its signaling pathway that stimulates cell proliferation. Although we demonstrated that APT1 catalyzed its own depalmitoylation, the ZDHHC(s) that S-palmitoylated APT1 had remained unidentified. We report here that ZDHHC5 and ZDHHC23 catalyze APT1 S-palmitoylation. Intriguingly, lysosomal Ppt1-deficiency in Cln1-/- mouse, a reliable animal model of INCL, markedly reduced ZDHHC5 and ZDHHC23 levels. Remarkably, in the brain of these mice decreased ZDHHC5 and ZDHHC23 levels suppressed membrane-bound APT1, thereby, increasing plasma membrane-localized H-Ras, which activated its signaling pathway stimulating microglia proliferation. Increased inflammatory cytokines produced by microglia together with increased complement C1q level contributed to the transformation of astrocytes to neurotoxic A1 phenotype. Importantly, neuroinflammation was ameliorated by treatment of Cln1-/- mice with a PPT1-mimetic small molecule, N-tert(Butyl)hydroxylamine (NtBuHA). Our results revealed a novel pathway to neuropathology in an INCL mouse model and uncovered a previously unrecognized mechanism of the neuroprotective actions of NtBuHA and its potential as a drug target.
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Affiliation(s)
- Tamal Sadhukhan
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, The National Institutes of Health, Bethesda, Maryland, USA
| | - Maria B Bagh
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, The National Institutes of Health, Bethesda, Maryland, USA
| | - Abhilash P Appu
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, The National Institutes of Health, Bethesda, Maryland, USA
| | - Avisek Mondal
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, The National Institutes of Health, Bethesda, Maryland, USA
| | - Wei Zhang
- Biostatistics and Bioinformatics Branch (HNT72), Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, Maryland, USA
| | - Aiyi Liu
- Biostatistics and Bioinformatics Branch (HNT72), Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, Maryland, USA
| | - Anil B Mukherjee
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, The National Institutes of Health, Bethesda, Maryland, USA
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20
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S-acylation of P2K1 mediates extracellular ATP-induced immune signaling in Arabidopsis. Nat Commun 2021; 12:2750. [PMID: 33980819 PMCID: PMC8115640 DOI: 10.1038/s41467-021-22854-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Accepted: 03/25/2021] [Indexed: 01/01/2023] Open
Abstract
S-acylation is a reversible protein post-translational modification mediated by protein S-acyltransferases (PATs). How S-acylation regulates plant innate immunity is our main concern. Here, we show that the plant immune receptor P2K1 (DORN1, LecRK-I.9; extracellular ATP receptor) directly interacts with and phosphorylates Arabidopsis PAT5 and PAT9 to stimulate their S-acyltransferase activity. This leads, in a time-dependent manner, to greater S-acylation of P2K1, which dampens the immune response. pat5 and pat9 mutants have an elevated extracellular ATP-induced immune response, limited bacterial invasion, increased phosphorylation and decreased degradation of P2K1 during immune signaling. Mutation of S-acylated cysteine residues in P2K1 results in a similar phenotype. Our study reveals that S-acylation effects the temporal dynamics of P2K1 receptor activity, through autophosphorylation and protein degradation, suggesting an important role for this modification in regulating the ability of plants in respond to external stimuli.
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21
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Ramazi S, Zahiri J. Posttranslational modifications in proteins: resources, tools and prediction methods. DATABASE-THE JOURNAL OF BIOLOGICAL DATABASES AND CURATION 2021; 2021:6214407. [PMID: 33826699 DOI: 10.1093/database/baab012] [Citation(s) in RCA: 284] [Impact Index Per Article: 94.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 02/20/2021] [Indexed: 12/21/2022]
Abstract
Posttranslational modifications (PTMs) refer to amino acid side chain modification in some proteins after their biosynthesis. There are more than 400 different types of PTMs affecting many aspects of protein functions. Such modifications happen as crucial molecular regulatory mechanisms to regulate diverse cellular processes. These processes have a significant impact on the structure and function of proteins. Disruption in PTMs can lead to the dysfunction of vital biological processes and hence to various diseases. High-throughput experimental methods for discovery of PTMs are very laborious and time-consuming. Therefore, there is an urgent need for computational methods and powerful tools to predict PTMs. There are vast amounts of PTMs data, which are publicly accessible through many online databases. In this survey, we comprehensively reviewed the major online databases and related tools. The current challenges of computational methods were reviewed in detail as well.
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Affiliation(s)
- Shahin Ramazi
- Bioinformatics and Computational Omics Lab (BioCOOL), Department of Biophysics, Faculty of Biological Sciences Tarbiat Modares University, Jalal Ale Ahmad Highway, P.O. Box: 14115-111, Tehran, Iran
| | - Javad Zahiri
- Bioinformatics and Computational Omics Lab (BioCOOL), Department of Biophysics, Faculty of Biological Sciences Tarbiat Modares University, Jalal Ale Ahmad Highway, P.O. Box: 14115-111, Tehran, Iran
- Department of Neuroscience, University of California San Diego, La Jolla, CA, USA
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
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22
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Abstract
S-palmitoylation is a reversible posttranslational lipid modification of proteins. It controls protein activity, stability, trafficking and protein–protein interactions. Recent global profiling of immune cells and targeted analysis have identified many S-palmitoylated immunity-associated proteins. Here, we review S-palmitoylated immune receptors and effectors, and their dynamic regulation at cellular membranes to generate specific and balanced immune responses. We also highlight how this understanding can drive therapeutic advances to pharmacologically modulate immune responses.
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Affiliation(s)
- Tandrila Das
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY 10065, USA
| | - Jacob S Yount
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH 43210, USA
| | - Howard C Hang
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY 10065, USA.,Departments of Immunology and Microbiology, Chemistry, Scripps Research, La Jolla, CA 92037, USA
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23
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Wen W, Li P, Liu P, Xu S, Wang F, Huang JH. Post-Translational Modifications of BACE1 in Alzheimer's Disease. Curr Neuropharmacol 2021; 20:211-222. [PMID: 33475074 PMCID: PMC9199555 DOI: 10.2174/1570159x19666210121163224] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/27/2020] [Accepted: 01/21/2021] [Indexed: 11/23/2022] Open
Abstract
Beta-Amyloid Cleaving Enzyme1 (BACE1) is a monospecific enzyme for the key rate-limiting step in the synthesis of beta-amyloid(Aβ) from cleavage of amyloid precursor protein (APP), to form senile plaques and causes cognitive dysfunction in Alzheimer's disease (AD). Post-translation modifications of BACE1, such as acetylation, glycosylation, palmitoylation, phosphorylation, play a crucial role in the trafficking and maturation process of BACE1. The study of BACE1 is of great importance not only for understanding the formation of toxic Aβ but also for the development of an effective therapeutic target for the treatment of AD. This paper review recent advances in the studies about BACE1, with focuses being paid to the relationship of Aβ, BACE1 with post- translational regulation of BACE1. In addition, we specially reviewed studies about the compounds that can be used to affect post-translational regulation of BACE1 or regulate BACE1 in the literature, which can be used for subsequent research on whether BACE1 is a post-translationally modified drug.
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Affiliation(s)
- Wen Wen
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137. China
| | - Ping Li
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137. China
| | - Panwang Liu
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137. China
| | - Shijun Xu
- Institute of Meterial Medica Integration and Transformation for Brain Disorders, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137. China
| | - Fushun Wang
- Institute of Brain and Psychological Sciences, Sichuan Normal University, Chengdu, Sichuan 610000. China
| | - Jason H Huang
- Department of Neurosurgery, Baylor Scott & White Health Science Center, Temple, TX 79409. United States
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24
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Jin J, Zhi X, Wang X, Meng D. Protein palmitoylation and its pathophysiological relevance. J Cell Physiol 2020; 236:3220-3233. [PMID: 33094504 DOI: 10.1002/jcp.30122] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/25/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022]
Abstract
Protein palmitoylation, in which C16 fatty acid chains are attached to cysteine residues via a reversible thioester linkage, is one of the most common lipid modifications and plays important roles in regulating protein stability, subcellular localization, membrane trafficking, interactions with effector proteins, enzymatic activity, and a variety of other cellular processes. Moreover, the unique reversibility of palmitoylation allows proteins to be rapidly shuttled between biological membranes and cytoplasmic substrates in a process usually controlled by a member of the DHHC family of protein palmitoyl transferases (PATs). Notably, mutations in PATs are closely related to a variety of human diseases, such as cancer, neurological disorders, and immune deficiency conditions. In addition to PATs, intracellular palmitoylation dynamics are also regulated by the interplay between distinct posttranslational modifications, including ubiquitination and phosphorylation. Understanding the specific mechanisms of palmitoylation may reveal novel potential therapeutic targets for many human diseases.
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Affiliation(s)
- Jiayu Jin
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, Fudan University, Shanghai, China
| | - Xiuling Zhi
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, Fudan University, Shanghai, China
| | - Xinhong Wang
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, Fudan University, Shanghai, China
| | - Dan Meng
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Physiology and Pathophysiology, Fudan University, Shanghai, China
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25
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Yun HR, Jo YH, Kim J, Nguyen NNY, Shin Y, Kim SS, Choi TG. Palmitoyl Protein Thioesterase 1 Is Essential for Myogenic Autophagy of C2C12 Skeletal Myoblast. Front Physiol 2020; 11:569221. [PMID: 33178040 PMCID: PMC7593845 DOI: 10.3389/fphys.2020.569221] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 09/10/2020] [Indexed: 01/20/2023] Open
Abstract
Skeletal muscle differentiation is an essential process for the maintenance of muscle development and homeostasis. Reactive oxygen species (ROS) are critical signaling molecules involved in muscle differentiation. Palmitoyl protein thioesterase 1 (PPT1), a lysosomal enzyme, is involved in removing thioester-linked fatty acid groups from modified cysteine residues in proteins. However, the role of PPT1 in muscle differentiation remains to be elucidated. Here, we found that PPT1 plays a critical role in the differentiation of C2C12 skeletal myoblasts. The expression of PPT1 gradually increased in response to mitochondrial ROS (mtROS) during muscle differentiation, which was attenuated by treatment with antioxidants. Moreover, we revealed that PPT1 transactivation occurs through nuclear factor erythroid 2-regulated factor 2 (Nrf2) binding the antioxidant response element (ARE) in its promoter region. Knockdown of PPT1 with specific small interference RNA (siRNA) disrupted lysosomal function by increasing its pH. Subsequently, it caused excessive accumulation of autophagy flux, thereby impairing muscle fiber formation. In conclusion, we suggest that PPT1 is factor a responsible for myogenic autophagy in differentiating C2C12 myoblasts.
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Affiliation(s)
- Hyeong Rok Yun
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul, South Korea
- Biomedical Science Institute, Kyung Hee University, Seoul, South Korea
| | - Yong Hwa Jo
- Biomedical Science Institute, Kyung Hee University, Seoul, South Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul, South Korea
| | - Jieun Kim
- Biomedical Science Institute, Kyung Hee University, Seoul, South Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul, South Korea
| | - Ngoc Ngo Yen Nguyen
- Biomedical Science Institute, Kyung Hee University, Seoul, South Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul, South Korea
| | - Yoonhwa Shin
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul, South Korea
- Biomedical Science Institute, Kyung Hee University, Seoul, South Korea
| | - Sung Soo Kim
- Biomedical Science Institute, Kyung Hee University, Seoul, South Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul, South Korea
- *Correspondence: Sung Soo Kim,
| | - Tae Gyu Choi
- Biomedical Science Institute, Kyung Hee University, Seoul, South Korea
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul, South Korea
- Tae Gyu Choi,
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26
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Sarkar C, Sadhukhan T, Bagh MB, Appu AP, Chandra G, Mondal A, Saha A, Mukherjee AB. Cln1-mutations suppress Rab7-RILP interaction and impair autophagy contributing to neuropathology in a mouse model of infantile neuronal ceroid lipofuscinosis. J Inherit Metab Dis 2020; 43:1082-1101. [PMID: 32279353 PMCID: PMC8261861 DOI: 10.1002/jimd.12242] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 03/12/2020] [Accepted: 04/08/2020] [Indexed: 12/14/2022]
Abstract
Infantile neuronal ceroid lipofuscinosis (INCL) is a devastating neurodegenerative lysosomal storage disease (LSD) caused by inactivating mutations in the CLN1 gene. CLN1 encodes palmitoyl-protein thioesterase-1 (PPT1), a lysosomal enzyme that catalyzes the deacylation of S-palmitoylated proteins to facilitate their degradation and clearance by lysosomal hydrolases. Despite the discovery more than two decades ago that CLN1 mutations causing PPT1-deficiency underlies INCL, the precise molecular mechanism(s) of pathogenesis has remained elusive. Here, we report that autophagy is dysregulated in Cln1-/- mice, which mimic INCL and in postmortem brain tissues as well as cultured fibroblasts from INCL patients. Moreover, Rab7, a small GTPase, critical for autophagosome-lysosome fusion, requires S-palmitoylation for trafficking to the late endosomal/lysosomal membrane where it interacts with Rab-interacting lysosomal protein (RILP), essential for autophagosome-lysosome fusion. Notably, PPT1-deficiency in Cln1-/- mice, dysregulated Rab7-RILP interaction and preventing autophagosome-lysosome fusion, which impaired degradative functions of the autolysosome leading to INCL pathogenesis. Importantly, treatment of Cln1-/- mice with a brain-penetrant, PPT1-mimetic, small molecule, N-tert (butyl)hydroxylamine (NtBuHA), ameliorated this defect. Our findings reveal a previously unrecognized role of CLN1/PPT1 in autophagy and suggest that small molecules functionally mimicking PPT1 may have therapeutic implications.
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Affiliation(s)
- Chinmoy Sarkar
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
- Department of Anesthesiology, University of Maryland School of Medicine, 655 West Baltimore Street, MSTF # 6-00, Baltimore, MD, USA
| | - Tamal Sadhukhan
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
| | - Maria B Bagh
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
| | - Abhilash P Appu
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
| | - Goutam Chandra
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
- Center for Development and Aging Research, Inter University Center for Biomedical Research & Super Specialty Hospital, Mahatma Gandhi University Campus at Thalappady, Kottayam, Kerala, India
| | - Avisek Mondal
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
| | - Arjun Saha
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
- Robertson Clinical and Translational Cell Therapy Program, Marcus Center for Cellular Cures, Duke University School of Medicine, Chesterfield Building, Room 5413, 701 W Main Street, Durham, NC, USA
| | - Anil B Mukherjee
- Section on Developmental Genetics, Division of Translational Medicine, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA
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27
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Wei X, Adak S, Zayed M, Yin L, Feng C, Speck SL, Kathayat RS, Zhang Q, Dickinson BC, Semenkovich CF. Endothelial Palmitoylation Cycling Coordinates Vessel Remodeling in Peripheral Artery Disease. Circ Res 2020; 127:249-265. [PMID: 32233916 DOI: 10.1161/circresaha.120.316752] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
RATIONALE Peripheral artery disease, common in metabolic syndrome and diabetes mellitus, responds poorly to medical interventions and is characterized by chronic vessel immaturity leading to lower extremity amputations. OBJECTIVE To define the role of reversible palmitoylation at the endothelium in the maintenance of vascular maturity. METHODS AND RESULTS Endothelial knockout of the depalmitoylation enzyme APT-1 (acyl-protein thioesterase 1) in mice impaired recovery from chronic hindlimb ischemia, a model of peripheral artery disease. Endothelial APT-1 deficiency decreased fibronectin processing, disrupted adherens junctions, and inhibited in vitro lumen formation. In an unbiased palmitoylation proteomic screen of endothelial cells from genetically modified mice, R-Ras, known to promote vessel maturation, was preferentially affected by APT-1 deficiency. R-Ras was validated as an APT-1 substrate, and click chemistry analyses demonstrated increased R-Ras palmitoylation in cells with APT-1 deficiency. APT-1 enzyme activity was decreased in endothelial cells from db/db mice. Hyperglycemia decreased APT-1 activity in human umbilical vein endothelial cells, due, in part, to altered acetylation of the APT-1 protein. Click chemistry analyses demonstrated increased R-Ras palmitoylation in the setting of hyperglycemia. Altered R-Ras trafficking, increased R-Ras palmitoylation, and fibronectin retention were found in diabetes mellitus models. Loss of R-Ras depalmitoylation caused by APT-1 deficiency constrained R-Ras membrane trafficking, as shown by total internal reflection fluorescence imaging. To rescue cellular phenotypes, we generated an R-Ras molecule with an inserted hydrophilic domain to circumvent membrane rigidity caused by defective palmitoylation turnover. This modification corrected R-Ras membrane trafficking, restored fibronectin processing, increased adherens junctions, and rescued defective lumen formation induced by APT-1 deficiency. CONCLUSIONS These results suggest that endothelial depalmitoylation is regulated by the metabolic milieu and controls plasma membrane partitioning to maintain vascular homeostasis.
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Affiliation(s)
- Xiaochao Wei
- From the Division of Endocrinology, Metabolism and Lipid Research (X.W., S.A., L.Y., C.F., S.L.S., Q.Z., C.F.S.), Washington University, St Louis, MO
| | - Sangeeta Adak
- From the Division of Endocrinology, Metabolism and Lipid Research (X.W., S.A., L.Y., C.F., S.L.S., Q.Z., C.F.S.), Washington University, St Louis, MO
| | - Mohamed Zayed
- Section of Vascular Surgery, Department of Surgery (M.Z.), Washington University, St Louis, MO.,Veterans Affairs St Louis Health Care System, MO (M.Z.)
| | - Li Yin
- From the Division of Endocrinology, Metabolism and Lipid Research (X.W., S.A., L.Y., C.F., S.L.S., Q.Z., C.F.S.), Washington University, St Louis, MO
| | - Chu Feng
- From the Division of Endocrinology, Metabolism and Lipid Research (X.W., S.A., L.Y., C.F., S.L.S., Q.Z., C.F.S.), Washington University, St Louis, MO
| | - Sarah L Speck
- From the Division of Endocrinology, Metabolism and Lipid Research (X.W., S.A., L.Y., C.F., S.L.S., Q.Z., C.F.S.), Washington University, St Louis, MO
| | - Rahul S Kathayat
- Department of Chemistry, University of Chicago, IL (R.S.K., B.C.D.)
| | - Qiang Zhang
- From the Division of Endocrinology, Metabolism and Lipid Research (X.W., S.A., L.Y., C.F., S.L.S., Q.Z., C.F.S.), Washington University, St Louis, MO
| | | | - Clay F Semenkovich
- From the Division of Endocrinology, Metabolism and Lipid Research (X.W., S.A., L.Y., C.F., S.L.S., Q.Z., C.F.S.), Washington University, St Louis, MO.,Department of Cell Biology and Physiology (C.F.S.), Washington University, St Louis, MO
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28
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Wu B, Wang B. Comparative analysis of ascorbate peroxidases (APXs) from selected plants with a special focus on Oryza sativa employing public databases. PLoS One 2019; 14:e0226543. [PMID: 31856232 PMCID: PMC6922425 DOI: 10.1371/journal.pone.0226543] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 11/29/2019] [Indexed: 12/28/2022] Open
Abstract
Reactive oxygen species (ROS) are produced by plants. Hydrogen peroxide (H2O2) is one important component of ROS and able to modulate plant growth and development at low level and damage plant cells at high concentrations. Ascorbate peroxidase (APX) shows high affinity towards H2O2 and plays vital roles in H2O2-scavenging. In order to explore the differences of APXs from selected plant species, bioinformatics methods and public databases were used to evaluate the physicochemical properties, conserved motifs, potential modifications and cis-elements in all the APXs, and protein-protein network and expression profiles of rice APXs. The results suggested that APXs in the selected plant species showed high evolutionary conservation and were able to divide into seven groups, group I to VII. Members in the groups contained abundant phosphorylation sites. Interestingly, group I and VII had only PKC site. Additionally, promoters of the APXs contained abundant stress-related cis-elements. APXs in rice plant were able to interact with dehydroascorbate reductase 2. The eight APXs expressed differently in root, leaf, panicle, anther, pistil and seed. Drought, Pi-free, Cd and Xanthomonas oryzae pv. oryzicola B8-12 treatments were able to significantly alter the expression profiles of rice APXs. This study increases our knowledge to further explore functions and mechanisms of APXs and also guides their applications.
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Affiliation(s)
- Baomei Wu
- International Center for Plant Molecular Genetics, School of Life Science, Shanxi Normal University, Linfen, PR China
- * E-mail:
| | - Binbin Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, PR China
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29
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Lu W, Wang J, Li Y, Tao H, Xiong H, Lian F, Gao J, Ma H, Lu T, Zhang D, Ye X, Ding H, Yue L, Zhang Y, Tang H, Zhang N, Yang Y, Jiang H, Chen K, Zhou B, Luo C. Discovery and biological evaluation of vinylsulfonamide derivatives as highly potent, covalent TEAD autopalmitoylation inhibitors. Eur J Med Chem 2019; 184:111767. [PMID: 31622854 DOI: 10.1016/j.ejmech.2019.111767] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/24/2019] [Accepted: 10/06/2019] [Indexed: 01/09/2023]
Abstract
Transcriptional enhancer associated domain family members (TEADs) are the most important downstream effectors that play the pivotal role in the development, regeneration and tissue homeostasis. Recent biochemical studies have demonstrated that TEADs could undergo autopalmitoylation that is indispensable for its function making the lipid-binding pocket an attractive target for chemical intervention. Herein, through structure-based virtual screen and rational medicinal chemistry optimization, we identified DC-TEADin02 as the most potent, selective, covalent TEAD autopalmitoylation inhibitor with the IC50 value of 197 ± 19 nM while it showed minimal effect on TEAD-YAP interaction. Further biochemical counter-screens demonstrate the specific thiol reactivity and selectivity of DC-TEADin02 over the kinase family, lipid-binding proteins and epigenetic targets. Notably, DC-TEADin02 inhibited TEADs transcription activity leading to downregulation of YAP-related downstream gene expression. Taken together, our findings proved the validity of modulating transcriptional output in the Hippo signaling pathway through irreversible chemical interventions of TEADs autopalmitoylation activity, which may serve as a qualified chemical tool for TEADs palmitoylation-related studies in the future.
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Affiliation(s)
- Wenchao Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China; Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, 02215, USA
| | - Jun Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Yong Li
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China; Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Hongru Tao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Road, Shanghai, 200444, China
| | - Huan Xiong
- Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Fulin Lian
- Department of Analytical Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Jing Gao
- Department of Analytical Chemistry and CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Hongna Ma
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; Department of Pharmacy, Guiyang University of Traditional Chinese Medicine, South Dong Qing Road, Guizhou, 550025, China
| | - Tian Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing, 210023, China
| | - Dan Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; Key Laboratory of Guizhou for Fermentation Engineering and Biomedicine, School of Pharmaceutical Sciences, Guizhou University, Guizhou, 550025, China
| | - Xiaoqing Ye
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; College of Life Sciences, Zhejiang Sci-Tech University, 928 No.2 Street, Hangzhou, 310018, China
| | - Hong Ding
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Liyan Yue
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Yuanyuan Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Huanyu Tang
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China; Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Naixia Zhang
- Department of Analytical Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Yaxi Yang
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China; Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China
| | - Hualiang Jiang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China
| | - Kaixian Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China; Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, China
| | - Bing Zhou
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China; Department of Medicinal Chemistry, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China.
| | - Cheng Luo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai, 201203, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, China; Open Studio for Druggability Research of Marine Natural Products, Pilot National Laboratory for Marine Science and Technology (Qingdao), 1 Wenhai Road, Aoshanwei, Jimo, Qingdao, 266237, China.
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30
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Bittel DC, Jaiswal JK. Contribution of Extracellular Vesicles in Rebuilding Injured Muscles. Front Physiol 2019; 10:828. [PMID: 31379590 PMCID: PMC6658195 DOI: 10.3389/fphys.2019.00828] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 06/13/2019] [Indexed: 12/22/2022] Open
Abstract
Skeletal myofibers are injured due to mechanical stresses experienced during physical activity, or due to myofiber fragility caused by genetic diseases. The injured myofiber needs to be repaired or regenerated to restore the loss in muscle tissue function. Myofiber repair and regeneration requires coordinated action of various intercellular signaling factors-including proteins, inflammatory cytokines, miRNAs, and membrane lipids. It is increasingly being recognized release and transmission of these signaling factors involves extracellular vesicle (EV) released by myofibers and other cells in the injured muscle. Intercellular signaling by these EVs alters the phenotype of their target cells either by directly delivering the functional proteins and lipids or by modifying longer-term gene expression. These changes in the target cells activate downstream pathways involved in tissue homeostasis and repair. The EVs are heterogeneous with regards to their size, composition, cargo, location, as well as time-course of genesis and release. These differences impact on the subsequent repair and regeneration of injured skeletal muscles. This review focuses on how intracellular vesicle production, cargo packaging, and secretion by injured muscle, modulates specific reparative, and regenerative processes. Insights into the formation of these vesicles and their signaling properties offer new understandings of the orchestrated response necessary for optimal muscle repair and regeneration.
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Affiliation(s)
- Daniel C Bittel
- Children's National Health System, Center for Genetic Medicine Research, Washington, DC, United States
| | - Jyoti K Jaiswal
- Children's National Health System, Center for Genetic Medicine Research, Washington, DC, United States.,Department of Genomics and Precision Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
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31
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Li N, Saitou M, Atilla-Gokcumen GE. The Role of p38 MAPK in Triacylglycerol Accumulation during Apoptosis. Proteomics 2019; 19:e1900160. [PMID: 31099964 DOI: 10.1002/pmic.201900160] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 05/14/2019] [Indexed: 12/21/2022]
Abstract
Lipids are emerging as key regulators of apoptosis. Specific lipid species are associated with apoptosis with important functional roles, but the understanding of the regulation of these lipid species is still limited. It has been previously shown by our laboratory that polyunsaturated triacylglycerols accumulate and get stored within lipid droplets during apoptosis via activated glycerolipid biosynthesis. In this work, the biochemical mechanisms that result in the activation of glycerolipid biosynthesis and, consequently, triacylglycerol and lipid droplet accumulation during apoptosis are investigated. The transcriptomes of control and apoptotic HCT-116 cells are compared and gene enrichment analysis revealed the upregulation of p38 mitogen-activated protein kinase (MAPK). It is shown that p38 MAPK regulates triacylglycerol biosynthesis through diacylglycerol acyltransferase1 during apoptosis. Perilipin 2 and cytosolic phospholipase A2delta are also shown to be involved in lipid droplet and polyunsaturated triacylglycerol accumulation in this process. Overall, the results provide new insights into the upregulation of glycerolipid synthesis during apoptosis.
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Affiliation(s)
- Nasi Li
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY, 14260, USA
| | - Marie Saitou
- Department of Biological Sciences, State University of New York at Buffalo, Buffalo, NY, 14260, USA
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Mohammadzadeh F, Hosseini V, Mehdizadeh A, Dani C, Darabi M. A method for the gross analysis of global protein acylation by gas-liquid chromatography. IUBMB Life 2018; 71:340-346. [DOI: 10.1002/iub.1975] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 11/05/2018] [Accepted: 11/06/2018] [Indexed: 01/24/2023]
Affiliation(s)
- Fatemeh Mohammadzadeh
- Liver and Gastrointestinal Diseases Research Center; Tabriz University of Medical Sciences; 5166614756, Tabriz Iran
| | - Vahid Hosseini
- Department of Biochemistry and Clinical Laboratories; Tabriz University of Medical Sciences, Faculty of Medicine; 5166615731, Tabriz Iran
| | - Amir Mehdizadeh
- Liver and Gastrointestinal Diseases Research Center; Tabriz University of Medical Sciences; 5166614756, Tabriz Iran
- Endocrine Research Center; Tabriz University of Medical Sciences; 5166614756, Tabriz Iran
| | - Christian Dani
- Université Côte d'Azur, CNRS, Inserm, iBV; 06107, Nice France
| | - Masoud Darabi
- Liver and Gastrointestinal Diseases Research Center; Tabriz University of Medical Sciences; 5166614756, Tabriz Iran
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33
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Spinelli M, Fusco S, Grassi C. Nutrient-Dependent Changes of Protein Palmitoylation: Impact on Nuclear Enzymes and Regulation of Gene Expression. Int J Mol Sci 2018; 19:ijms19123820. [PMID: 30513609 PMCID: PMC6320809 DOI: 10.3390/ijms19123820] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/22/2018] [Accepted: 11/27/2018] [Indexed: 12/13/2022] Open
Abstract
Diet is the main environmental stimulus chronically impinging on the organism throughout the entire life. Nutrients impact cells via a plethora of mechanisms including the regulation of both protein post-translational modifications and gene expression. Palmitoylation is the most-studied protein lipidation, which consists of the attachment of a molecule of palmitic acid to residues of proteins. S-palmitoylation is a reversible cysteine modification finely regulated by palmitoyl-transferases and acyl-thioesterases that is involved in the regulation of protein trafficking and activity. Recently, several studies have demonstrated that diet-dependent molecules such as insulin and fatty acids may affect protein palmitoylation. Here, we examine the role of protein palmitoylation on the regulation of gene expression focusing on the impact of this modification on the activity of chromatin remodeler enzymes, transcription factors, and nuclear proteins. We also discuss how this physiological phenomenon may represent a pivotal mechanism underlying the impact of diet and nutrient-dependent signals on human diseases.
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Affiliation(s)
- Matteo Spinelli
- Institute of Human Physiology, Università Cattolica del Sacro Cuore, Rome 00168, Italy.
| | - Salvatore Fusco
- Institute of Human Physiology, Università Cattolica del Sacro Cuore, Rome 00168, Italy.
- Fondazione Policlinico Universitario A. Gemelli IRCSS, Rome 00168, Italy.
| | - Claudio Grassi
- Institute of Human Physiology, Università Cattolica del Sacro Cuore, Rome 00168, Italy.
- Fondazione Policlinico Universitario A. Gemelli IRCSS, Rome 00168, Italy.
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34
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Palmitoylation as a Functional Regulator of Neurotransmitter Receptors. Neural Plast 2018; 2018:5701348. [PMID: 29849559 PMCID: PMC5903346 DOI: 10.1155/2018/5701348] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 01/29/2018] [Indexed: 12/11/2022] Open
Abstract
The majority of neuronal proteins involved in cellular signaling undergo different posttranslational modifications significantly affecting their functions. One of these modifications is a covalent attachment of a 16-C palmitic acid to one or more cysteine residues (S-palmitoylation) within the target protein. Palmitoylation is a reversible modification, and repeated cycles of palmitoylation/depalmitoylation might be critically involved in the regulation of multiple signaling processes. Palmitoylation also represents a common posttranslational modification of the neurotransmitter receptors, including G protein-coupled receptors (GPCRs) and ligand-gated ion channels (LICs). From the functional point of view, palmitoylation affects a wide span of neurotransmitter receptors activities including their trafficking, sorting, stability, residence lifetime at the cell surface, endocytosis, recycling, and synaptic clustering. This review summarizes the current knowledge on the palmitoylation of neurotransmitter receptors and its role in the regulation of receptors functions as well as in the control of different kinds of physiological and pathological behavior.
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35
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Peng T, Hang HC. Chemical Proteomic Profiling of Protein Fatty-Acylation in Microbial Pathogens. Curr Top Microbiol Immunol 2018; 420:93-110. [PMID: 30128826 DOI: 10.1007/82_2018_126] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Protein fatty-acylation describes the covalent modification of protein with fatty acids during or after translation. Chemical proteomic profiling methods have provided new opportunities to explore protein fatty-acylation in microbial pathogens. Recent studies suggest that protein fatty-acylation is essential to survival and pathogenesis of eukaryotic pathogens such as parasites and fungi. Moreover, fatty-acylation in host cells can be exploited or manipulated by pathogenic bacteria. Herein, we first review the prevalent classes of fatty-acylation in microbial pathogens and the chemical proteomic profiling methods for their global analysis. We then summarize recent fatty-acylation profiling studies performed in eukaryotic pathogens and during bacterial infections, highlighting how they contribute to functional characterization of fatty-acylation under these contexts.
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Affiliation(s)
- Tao Peng
- State Key Laboratory of Chemical Oncogenomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, 518055, China.
| | - Howard C Hang
- Laboratory of Chemical Biology and Microbial Pathogenesis, The Rockefeller University, New York, NY, 10065, USA.
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36
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Lemonidis K, MacLeod R, Baillie GS, Chamberlain LH. Peptide array-based screening reveals a large number of proteins interacting with the ankyrin-repeat domain of the zDHHC17 S-acyltransferase. J Biol Chem 2017; 292:17190-17202. [PMID: 28882895 PMCID: PMC5655499 DOI: 10.1074/jbc.m117.799650] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 08/29/2017] [Indexed: 01/08/2023] Open
Abstract
zDHHC S-acyltransferases are enzymes catalyzing protein S-acylation, a common post-translational modification on proteins frequently affecting their membrane targeting and trafficking. The ankyrin repeat (AR) domain of zDHHC17 (HIP14) and zDHHC13 (HIP14L) S-acyltransferases, which is involved in both substrate recruitment and S-acylation-independent functions, was recently shown to bind at least six proteins, by specific recognition of a consensus sequence in them. To further refine the rules governing binding to the AR of zDHHC17, we employed peptide arrays based on zDHHC AR-binding motif (zDABM) sequences of synaptosomal-associated protein 25 (SNAP25) and cysteine string protein α (CSPα). Quantitative comparisons of the binding preferences of 400 peptides allowed us to construct a position-specific scoring matrix (PSSM) for zDHHC17 AR binding, with which we predicted and subsequently validated many putative zDHHC17 interactors. We identified 95 human zDABM sequences with unexpected versatility in amino acid usage; these sequences were distributed among 90 proteins, of which 62 have not been previously implicated in zDHHC17/13 binding. These zDABM-containing proteins included all family members of the SNAP25, sprouty, cornifelin, ankyrin, and SLAIN-motif containing families; seven endogenous Gag polyproteins sharing the same binding sequence; and several proteins involved in cytoskeletal organization, cell communication, and regulation of signaling. A dozen of the zDABM-containing proteins had more than one zDABM sequence, whereas isoform-specific binding to the AR of zDHHC17 was identified for the Ena/VASP-like protein. The large number of zDABM sequences within the human proteome suggests that zDHHC17 may be an interaction hub regulating many cellular processes.
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Affiliation(s)
- Kimon Lemonidis
- From The Strathclyde Institute of Pharmacy and Biomedical Sciences, 161 Cathedral Street, University of Strathclyde, Glasgow G4 0RE and
| | - Ruth MacLeod
- the Institute of Cardiovascular and Medical Sciences, University of Glasgow, Wolfson Link Building, Glasgow G12 8QQ, Scotland, United Kingdom
| | - George S Baillie
- the Institute of Cardiovascular and Medical Sciences, University of Glasgow, Wolfson Link Building, Glasgow G12 8QQ, Scotland, United Kingdom
| | - Luke H Chamberlain
- From The Strathclyde Institute of Pharmacy and Biomedical Sciences, 161 Cathedral Street, University of Strathclyde, Glasgow G4 0RE and
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