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Zambrano-Carrasco J, Zou J, Wang W, Sun X, Li J, Su H. Emerging Roles of Cullin-RING Ubiquitin Ligases in Cardiac Development. Cells 2024; 13:235. [PMID: 38334627 PMCID: PMC10854628 DOI: 10.3390/cells13030235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/18/2024] [Accepted: 01/22/2024] [Indexed: 02/10/2024] Open
Abstract
Heart development is a spatiotemporally regulated process that extends from the embryonic phase to postnatal stages. Disruption of this highly orchestrated process can lead to congenital heart disease or predispose the heart to cardiomyopathy or heart failure. Consequently, gaining an in-depth understanding of the molecular mechanisms governing cardiac development holds considerable promise for the development of innovative therapies for various cardiac ailments. While significant progress in uncovering novel transcriptional and epigenetic regulators of heart development has been made, the exploration of post-translational mechanisms that influence this process has lagged. Culling-RING E3 ubiquitin ligases (CRLs), the largest family of ubiquitin ligases, control the ubiquitination and degradation of ~20% of intracellular proteins. Emerging evidence has uncovered the critical roles of CRLs in the regulation of a wide range of cellular, physiological, and pathological processes. In this review, we summarize current findings on the versatile regulation of cardiac morphogenesis and maturation by CRLs and present future perspectives to advance our comprehensive understanding of how CRLs govern cardiac developmental processes.
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Affiliation(s)
- Josue Zambrano-Carrasco
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; (J.Z.-C.); (J.Z.)
| | - Jianqiu Zou
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; (J.Z.-C.); (J.Z.)
| | - Wenjuan Wang
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; (J.Z.-C.); (J.Z.)
| | - Xinghui Sun
- Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, USA;
| | - Jie Li
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; (J.Z.-C.); (J.Z.)
| | - Huabo Su
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA; (J.Z.-C.); (J.Z.)
- Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University, Augusta, GA 30912, USA
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Di Francesco D, Swenerton A, Li WL, Dunham C, Hendson G, Boerkoel CF. Are CUL3 variants an underreported cause of congenital heart disease? Am J Med Genet A 2023; 191:2903-2907. [PMID: 37665043 DOI: 10.1002/ajmg.a.63387] [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: 07/27/2023] [Accepted: 08/22/2023] [Indexed: 09/05/2023]
Abstract
Complex heart defects (CHD) are a common malformation associated with disruption of developmental pathways. The Cullin-RING ligases (CRLs) are multi-subunit E3 ubiquitin ligases in which Cullin 3 (CUL3) serves as a scaffolding subunit. Heterozygous CUL3 variants have been associated with neurodevelopmental disorders and pseudohypoaldosteronism type IIE. We report a fetus with CHD and a de novo CUL3 variant (NM_003590.4:c.[1549_1552del];[=], p.(Ser517Profs*23)) and review CUL3 variants reported with CHD. We postulate that CUL3 variants predispose to CHD and hypothesize mechanisms of pathogenesis.
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Affiliation(s)
- Daniela Di Francesco
- MD Undergraduate Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Anne Swenerton
- Provincial Medical Genetics Program, B.C. Women's Hospital, Vancouver, British Columbia, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Christopher Dunham
- Department of Pathology and Laboratory Medicine, University of British Columbia and BC Children's Hospital, Vancouver, British Columbia, Canada
| | - Glenda Hendson
- Department of Pathology and Laboratory Medicine, University of British Columbia and BC Children's Hospital, Vancouver, British Columbia, Canada
| | - Cornelius F Boerkoel
- Provincial Medical Genetics Program, B.C. Women's Hospital, Vancouver, British Columbia, Canada
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
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Thareja SK, Anfinson M, Cavanaugh M, Kim MS, Lamberton P, Radandt J, Brown R, Liang HL, Stamm K, Afzal MZ, Strande J, Frommelt MA, Lough JW, Fitts RH, Mitchell ME, Tomita-Mitchell A. Altered contractility, Ca 2+ transients, and cell morphology seen in a patient-specific iPSC-CM model of Ebstein's anomaly with left ventricular noncompaction. Am J Physiol Heart Circ Physiol 2023; 325:H149-H162. [PMID: 37204873 PMCID: PMC10312315 DOI: 10.1152/ajpheart.00658.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 05/15/2023] [Accepted: 05/15/2023] [Indexed: 05/21/2023]
Abstract
Patients with two congenital heart diseases (CHDs), Ebstein's anomaly (EA) and left ventricular noncompaction (LVNC), suffer higher morbidity than either CHD alone. The genetic etiology and pathogenesis of combined EA/LVNC remain largely unknown. We investigated a familial EA/LVNC case associated with a variant (p.R237C) in the gene encoding Kelch-like protein 26 (KLHL26) by differentiating induced pluripotent stem cells (iPSCs) generated from affected and unaffected family members into cardiomyocytes (iPSC-CMs) and assessing iPSC-CM morphology, function, gene expression, and protein abundance. Compared with unaffected iPSC-CMs, CMs containing the KLHL26 (p.R237C) variant exhibited aberrant morphology including distended endo(sarco)plasmic reticulum (ER/SR) and dysmorphic mitochondria and aberrant function that included decreased contractions per minute, altered calcium transients, and increased proliferation. Pathway enrichment analyses based on RNASeq data indicated that the "structural constituent of muscle" pathway was suppressed, whereas the "ER lumen" pathway was activated. Taken together, these findings suggest that iPSC-CMs containing this KLHL26 (p.R237C) variant develop dysregulated ER/SR, calcium signaling, contractility, and proliferation.NEW & NOTEWORTHY We demonstrate here that iPSCs derived from patients with Ebstein's anomaly and left ventricular noncompaction, when differentiated into cardiomyocytes, display significant structural and functional changes that offer insight into disease pathogenesis, including altered ER/SR and mitochondrial morphology, contractility, and calcium signaling.
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Affiliation(s)
- Suma K Thareja
- Division of Congenital Heart Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
- Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Melissa Anfinson
- Division of Congenital Heart Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
- Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Matthew Cavanaugh
- Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, United States
| | - Min-Su Kim
- Division of Congenital Heart Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
- Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Peter Lamberton
- Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, United States
| | - Jackson Radandt
- Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, United States
| | - Ryan Brown
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Huan-Ling Liang
- Division of Congenital Heart Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Karl Stamm
- Division of Congenital Heart Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Muhammad Zeeshan Afzal
- Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Jennifer Strande
- Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Michele A Frommelt
- Division of Pediatric Cardiology, Department of Pediatrics, Children's Wisconsin, Milwaukee, Wisconsin, United States
- Herma Heart Institute, Children's Wisconsin, Milwaukee, Wisconsin, United States
| | - John W Lough
- Department of Cell Biology, Neurobiology, and Anatomy, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
| | - Robert H Fitts
- Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, United States
| | - Michael E Mitchell
- Division of Congenital Heart Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
- Herma Heart Institute, Children's Wisconsin, Milwaukee, Wisconsin, United States
| | - Aoy Tomita-Mitchell
- Division of Congenital Heart Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
- Herma Heart Institute, Children's Wisconsin, Milwaukee, Wisconsin, United States
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Maeoka Y, Cornelius RJ, McCormick JA. Cullin 3 and Blood Pressure Regulation: Insights From Familial Hyperkalemic Hypertension. Hypertension 2023; 80:912-923. [PMID: 36861484 PMCID: PMC10133098 DOI: 10.1161/hypertensionaha.123.20525] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
The study of rare monogenic forms of hypertension has led to the elucidation of important physiological pathways controlling blood pressure. Mutations in several genes cause familial hyperkalemic hypertension (also known as Gordon syndrome or pseudohypoaldosteronism type II). The most severe form of familial hyperkalemic hypertension is caused by mutations in CUL3, encoding CUL3 (Cullin 3)-a scaffold protein in an E3 ubiquitin ligase complex that tags substrates for proteasomal degradation. In the kidney, CUL3 mutations cause accumulation of the substrate WNK (with-no-lysine [K]) kinase and ultimately hyperactivation of the renal NaCl cotransporter-the target of the first-line antihypertensive thiazide diuretics. The precise mechanisms by which mutant CUL3 causes WNK kinase accumulation have been unclear, but several functional defects are likely to contribute. The hypertension seen in familial hyperkalemic hypertension also results from effects exerted by mutant CUL3 on several pathways in vascular smooth muscle and endothelium that modulate vascular tone. This review summarizes the mechanisms by which wild type and mutant CUL3 modulate blood pressure through effects on the kidney and vasculature, potential effects in the central nervous system and heart, and future directions for investigation.
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Affiliation(s)
- Yujiro Maeoka
- Division of Nephrology and Hypertension, Department of Medicine, Oregon Health and Science University, Portland, OR
| | - Ryan J Cornelius
- Division of Nephrology and Hypertension, Department of Medicine, Oregon Health and Science University, Portland, OR
| | - James A McCormick
- Division of Nephrology and Hypertension, Department of Medicine, Oregon Health and Science University, Portland, OR
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Li L, Guo H, Lai B, Liang C, Chen H, Chen Y, Guo W, Yuan Z, Huang R, Zeng Z, Liang L, Zhao H, Zheng X, Li Y, Pu Q, Qi X, Cai D. Ablation of cardiomyocyte-derived BDNF during development causes myocardial degeneration and heart failure in the adult mouse heart. Front Cardiovasc Med 2022; 9:967463. [PMID: 36061561 PMCID: PMC9433718 DOI: 10.3389/fcvm.2022.967463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Objective Brain-derived neurotrophic factor (BDNF) and its receptor TrkB-T1 were recently found to be expressed in cardiomyocytes. However, the functional role of cardiomyocyte-derived BDNF in heart pathophysiology is not yet fully known. Recent studies revealed that BDNF-TrkB pathway plays a critical role to maintain integrity of cardiac structure and function, cardiac pathology and regeneration of myocardial infarction (MI). Therefore, the BDNF-TrkB pathway may be a novel target for myocardial pathophysiology in the adult heart. Approach and results In the present study, we established a cardiomyocyte-derived BDNF conditional knockout mouse in which BDNF expression in developing cardiomyocytes is ablated under the control of the Myosin heavy chain 6 (MYH6) promoter. The results of the present study show that ablation of cardiomyocyte-derived BDNF during development does not impair survival, growth or reproduction; however, in the young adult heart, it causes cardiomyocyte death, degeneration of the myocardium, cardiomyocyte hypertrophy, left atrial appendage thrombosis, decreased cardiac function, increased cardiac inflammation and ROS activity, and metabolic disorders, leading to heart failure (HF) in the adult heart and eventually resulting in a decrease in the one-year survival rate. In addition, ablation of cardiomyocyte-derived BDNF during the developmental stage leads to exacerbation of cardiac dysfunction and poor regeneration after MI in adult hearts. Conclusion Cardiomyocyte-derived BDNF is irreplaceable for maintaining the integrity of cardiac structure and function in the adult heart and regeneration after MI. Therefore, the BDNF-TrkB pathway will be a novel target for myocardial pathophysiology in the adult heart.
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Affiliation(s)
- Lilin Li
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Hongyan Guo
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
- Jiangxi Provincial Key Laboratory of Medical Immunology and Immunotherapy, Jiangxi Academy of Medical Sciences, Nanchang, China
| | - Binglin Lai
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Chunbao Liang
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Hongyi Chen
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Yilin Chen
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Weimin Guo
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Ziqiang Yuan
- Department of Medical Oncology, Robert Wood Johnson of Medical School, Cancer Institute of New Jersey, New Brunswick, NJ, United States
| | - Ruijin Huang
- Department of Neuroanatomy, Institute of Anatomy, University of Bonn, Bonn, Germany
- Department of Anatomy and Molecular Embryology, Institute of Anatomy and Cell Biology, University of Freiburg, Freiburg, Germany
| | - Zhaohua Zeng
- Division of Cardiology, Department of Internal Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Liying Liang
- Division of Cardiology, Department of Internal Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hui Zhao
- Stem Cell and Regeneration TRP, School of Biomedical Sciences, Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Xin Zheng
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Yanmei Li
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
| | - Qin Pu
- Department of Neuroanatomy, Institute of Anatomy, University of Bonn, Bonn, Germany
| | - Xufeng Qi
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
- *Correspondence: Xufeng Qi,
| | - Dongqing Cai
- Key Laboratory of Regenerative Medicine, Ministry of Education, Jinan University, Guangzhou, China
- Joint Laboratory for Regenerative Medicine, Chinese University of Hong Kong-Jinan University, Guangzhou, China
- International Base of Collaboration for Science and Technology (JNU), The Ministry of Science and Technology and Guangdong Province, Guangzhou, China
- Department of Developmental and Regenerative Biology, Jinan University, Guangzhou, China
- Dongqing Cai,
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Yang L, Wang ZA, Geng R, Niu S, Zuo H, Weng S, He J, Xu X. A kelch motif-containing protein KLHDC2 regulates immune responses against Vibrio parahaemolyticus and white spot syndrome virus in Penaeus vannamei. FISH & SHELLFISH IMMUNOLOGY 2022; 127:187-194. [PMID: 35716970 DOI: 10.1016/j.fsi.2022.06.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/04/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
The kelch motif-containing proteins are widely present in organisms and known to be involved in various biological processes, but their roles in immunity remain unclear. In this study, a kelch motif-containing protein KLHDC2 was identified from Pacific white shrimp Penaeus vannamei and its immune function was investigated. The klhdc2 gene was widely expressed in shrimp tissues and its protein product was mainly present in the nucleus. Expression of klhdc2 was regulated by shrimp NF-κB family members Dorsal and Relish, and changed after immune stimulation. KLHDC2 could enhance the immune defense against Vibrio parahaemolyticus in shrimp but inhibit that against white spot syndrome virus (WSSV). Further analyses showed that KLHDC2 did not affect the phagocytosis of hemocytes but regulated the expression of a series of immune effector genes. KLHDC2 has a complex regulatory relationship with Dorsal and Relish, which may partly contribute to its positive role in antibacterial response by regulating humoral immunity. Moreover, the regulatory effect of KLHDC2 on WSSV ie1 gene contributed to its negative effect on antiviral response. Therefore, the current study enrichs the knowledge on the Kelch family and helps to learn more about the regulatory mechanism of shrimp immunity.
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Affiliation(s)
- Linwei Yang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Zi-Ang Wang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Ran Geng
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Shengwen Niu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Hongliang Zuo
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Shaoping Weng
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Jianguo He
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China
| | - Xiaopeng Xu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, PR China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, PR China; Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, Sun Yat-sen University, Guangzhou, PR China.
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CUL3 and COPS5 Related to the Ubiquitin-Proteasome Pathway Are Potential Genes for Muscle Atrophy in Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1488905. [PMID: 35815279 PMCID: PMC9262520 DOI: 10.1155/2022/1488905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/29/2022] [Accepted: 05/03/2022] [Indexed: 11/17/2022]
Abstract
Sarcopenia is a condition that reduces muscle mass and exercise capacity. Muscle atrophy is a common manifestation of sarcopenia and can increase morbidity and mortality in specific patient populations. The aim of this study was to identify novel prognostic biomarkers for muscle atrophy and associated pathway analysis using bioinformatics methods. The samples were first divided into different age groups and different muscle type groups, respectively, and each of these samples was analyzed for differences to obtain two groups of differentially expressed genes (DEGs). The two groups of DEGs were intersected using Venn diagrams to obtain 1,630 overlapping genes, and enrichment analysis was performed to observe the Gene Ontology (GO) functional terms of overlapping genes and the enrichment of the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway. Subsequently, WGCNA (weighted gene coexpression network analysis) was used to find gene modules associated with both the age and muscle type to obtain the lightgreen module. The genes in the key modules were analyzed using PPI, and the top five genes were obtained using the MCC (maximum correntropy criterion) algorithm. Finally, CUL3 and COPS5 were obtained by comparing gene expression levels and analyzing the respective KEGG pathways using gene set enrichment analysis (GSEA). In conclusion, we identified that CUL3 and COPS5 may be novel prognostic biomarkers in muscle atrophy based on bioinformatics analysis. CUL3 and COPS5 are associated with the ubiquitin-proteasome pathway.
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Ubiquitin Ligases in Longevity and Aging Skeletal Muscle. Int J Mol Sci 2022; 23:ijms23147602. [PMID: 35886949 PMCID: PMC9315556 DOI: 10.3390/ijms23147602] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/07/2022] [Accepted: 07/08/2022] [Indexed: 12/07/2022] Open
Abstract
The development and prevalence of diseases associated with aging presents a global health burden on society. One hallmark of aging is the loss of proteostasis which is caused in part by alterations to the ubiquitin-proteasome system (UPS) and lysosome-autophagy system leading to impaired function and maintenance of mass in tissues such as skeletal muscle. In the instance of skeletal muscle, the impairment of function occurs early in the aging process and is dependent on proteostatic mechanisms. The UPS plays a pivotal role in degradation of misfolded and aggregated proteins. For the purpose of this review, we will discuss the role of the UPS system in the context of age-related loss of muscle mass and function. We highlight the significant role that E3 ubiquitin ligases play in the turnover of key components (e.g., mitochondria and neuromuscular junction) essential to skeletal muscle function and the influence of aging. In addition, we will briefly discuss the contribution of the UPS system to lifespan. By understanding the UPS system as part of the proteostasis network in age-related diseases and disorders such as sarcopenia, new discoveries can be made and new interventions can be developed which will preserve muscle function and maintain quality of life with advancing age.
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Yin X, Pu C, Wang Z, Li K, Wang H. Clinico-pathological features and mutational spectrum of 16 nemaline myopathy patients from a Chinese neuromuscular center. Acta Neurol Belg 2022; 122:631-639. [PMID: 33742414 PMCID: PMC9170660 DOI: 10.1007/s13760-020-01542-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 10/29/2020] [Indexed: 11/15/2022]
Abstract
Nemaline myopathy (NM) is a congenital myopathy of great heterogeneity, characterized by the presence of rods in the cytoplasm of muscle fibers. The samples of 16 nemaline myopathy patients diagnosed by characteristically pathological features went through whole exon sequencing. Clinico-pathological and genetic features of the cases were systematically analyzed. According to the classification of nemaline myopathy by ENMC, 8 cases are typical congenital subtype, 6 cases are childhood/juvenile onset subtype and 2 case are adult onset subtype. In histological findings, characteristic purple-colored rods are discovered under modified gömöri trichrome staining (MGT). Electron microscopy revealed the presence of high electron-dense nemaline bodies around the submucosa and the nucleus nine patients (9/16 56.3%) were detected pathogenic causative mutations, among whom mutations in the NEB gene were the most frequent (6 patients, 66.7%). KBTBD13 gene mutation was discovered in two patients and ACTA1 gene mutation was discovered in 1 patient. Nemaline myopathy is a congenital myopathy with highly clinico-pathological and genetic heterogeneity. NEB gene mutation is the most common mutation, in which splicing change c.21522 +3A > G is hotspot mutation in Chinese NM patients.
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Roles of Cullin-RING Ubiquitin Ligases in Cardiovascular Diseases. Biomolecules 2022; 12:biom12030416. [PMID: 35327608 PMCID: PMC8946067 DOI: 10.3390/biom12030416] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/03/2022] [Accepted: 03/04/2022] [Indexed: 12/18/2022] Open
Abstract
Maintenance of protein homeostasis is crucial for virtually every aspect of eukaryotic biology. The ubiquitin-proteasome system (UPS) represents a highly regulated quality control machinery that protects cells from a variety of stress conditions as well as toxic proteins. A large body of evidence has shown that UPS dysfunction contributes to the pathogenesis of cardiovascular diseases. This review highlights the latest findings regarding the physiological and pathological roles of cullin-RING ubiquitin ligases (CRLs), an essential player in the UPS, in the cardiovascular system. To inspire potential therapeutic invention, factors regulating CRL activities are also discussed.
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11
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Cullin neddylation inhibitor attenuates hyperglycemia by enhancing hepatic insulin signaling through insulin receptor substrate stabilization. Proc Natl Acad Sci U S A 2022; 119:2111737119. [PMID: 35115401 PMCID: PMC8832973 DOI: 10.1073/pnas.2111737119] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/27/2021] [Indexed: 12/15/2022] Open
Abstract
Hepatic insulin resistance is a hallmark feature of nonalcoholic fatty liver disease and type-2 diabetes and significantly contributes to systemic insulin resistance. Abnormal activation of nutrient and stress-sensing kinases leads to serine/threonine phosphorylation of insulin receptor substrate (IRS) and subsequent IRS proteasome degradation, which is a key underlying cause of hepatic insulin resistance. Recently, members of the cullin-RING E3 ligases (CRLs) have emerged as mediators of IRS protein turnover, but the pathophysiological roles and therapeutic implications of this cellular signaling regulation is largely unknown. CRLs are activated upon cullin neddylation, a process of covalent conjugation of a ubiquitin-like protein called Nedd8 to a cullin scaffold. Here, we report that pharmacological inhibition of cullin neddylation by MLN4924 (Pevonedistat) rapidly decreases hepatic glucose production and attenuates hyperglycemia in mice. Mechanistically, neddylation inhibition delays CRL-mediated IRS protein turnover to prolong insulin action in hepatocytes. In vitro knockdown of either cullin 1 or cullin 3, but not other cullin members, attenuates insulin-induced IRS protein degradation and enhances cellular insulin signaling activation. In contrast, in vivo knockdown of liver cullin 3, but not cullin 1, stabilizes hepatic IRS and decreases blood glucose, which recapitulates the effect of MLN4924 treatment. In summary, these findings suggest that pharmacological inhibition of cullin neddylation represents a therapeutic approach for improving hepatic insulin signaling and lowering blood glucose.
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12
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Morandell J, Schwarz LA, Basilico B, Tasciyan S, Dimchev G, Nicolas A, Sommer C, Kreuzinger C, Dotter CP, Knaus LS, Dobler Z, Cacci E, Schur FKM, Danzl JG, Novarino G. Cul3 regulates cytoskeleton protein homeostasis and cell migration during a critical window of brain development. Nat Commun 2021; 12:3058. [PMID: 34031387 PMCID: PMC8144225 DOI: 10.1038/s41467-021-23123-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 04/14/2021] [Indexed: 01/03/2023] Open
Abstract
De novo loss of function mutations in the ubiquitin ligase-encoding gene Cullin3 (CUL3) lead to autism spectrum disorder (ASD). In mouse, constitutive Cul3 haploinsufficiency leads to motor coordination deficits as well as ASD-relevant social and cognitive impairments. However, induction of Cul3 haploinsufficiency later in life does not lead to ASD-relevant behaviors, pointing to an important role of Cul3 during a critical developmental window. Here we show that Cul3 is essential to regulate neuronal migration and, therefore, constitutive Cul3 heterozygous mutant mice display cortical lamination abnormalities. At the molecular level, we found that Cul3 controls neuronal migration by tightly regulating the amount of Plastin3 (Pls3), a previously unrecognized player of neural migration. Furthermore, we found that Pls3 cell-autonomously regulates cell migration by regulating actin cytoskeleton organization, and its levels are inversely proportional to neural migration speed. Finally, we provide evidence that cellular phenotypes associated with autism-linked gene haploinsufficiency can be rescued by transcriptional activation of the intact allele in vitro, offering a proof of concept for a potential therapeutic approach for ASDs. De novo loss of function mutations in the ubiquitin ligase-encoding gene Cullin3 (CUL3) lead to autism spectrum disorder (ASD). Here, the authors show that Cul3 is essential to regulate neuronal migration by tightly regulating Plastin3 (Pls3). Pls3 cell-autonomously regulates cell migration by regulating the actin cytoskeleton organization.
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Affiliation(s)
- Jasmin Morandell
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Lena A Schwarz
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | | | - Saren Tasciyan
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Georgi Dimchev
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Armel Nicolas
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Christoph Sommer
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | | | - Christoph P Dotter
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Lisa S Knaus
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Zoe Dobler
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Emanuele Cacci
- Department of Biology and Biotechnology "Charles Darwin", Sapienza, University of Rome, Rome, Italy
| | - Florian K M Schur
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Johann G Danzl
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria
| | - Gaia Novarino
- Institute of Science and Technology (IST) Austria, Klosterneuburg, Austria.
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13
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Maintenance of type 2 glycolytic myofibers with age by Mib1-Actn3 axis. Nat Commun 2021; 12:1294. [PMID: 33637766 PMCID: PMC7910585 DOI: 10.1038/s41467-021-21621-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 02/03/2021] [Indexed: 01/31/2023] Open
Abstract
Age-associated muscle atrophy is a debilitating condition associated with loss of muscle mass and function with age that contributes to limitation of mobility and locomotion. However, the underlying mechanisms of how intrinsic muscle changes with age are largely unknown. Here we report that, with age, Mind bomb-1 (Mib1) plays important role in skeletal muscle maintenance via proteasomal degradation-dependent regulation of α-actinin 3 (Actn3). The disruption of Mib1 in myofibers (Mib1ΔMF) results in alteration of type 2 glycolytic myofibers, muscle atrophy, impaired muscle function, and Actn3 accumulation. After chronic exercise, Mib1ΔMF mice show muscle atrophy even at young age. However, when Actn3 level is downregulated, chronic exercise-induced muscle atrophy is ameliorated. Importantly, the Mib1 and Actn3 levels show clinical relevance in human skeletal muscles accompanied by decrease in skeletal muscle function with age. Together, these findings reveal the significance of the Mib1-Actn3 axis in skeletal muscle maintenance with age and suggest the therapeutic potential for the treatment or amelioration of age-related muscle atrophy.
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14
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Rodríguez-Pérez F, Manford AG, Pogson A, Ingersoll AJ, Martínez-González B, Rape M. Ubiquitin-dependent remodeling of the actin cytoskeleton drives cell fusion. Dev Cell 2021; 56:588-601.e9. [PMID: 33609460 DOI: 10.1016/j.devcel.2021.01.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 11/14/2020] [Accepted: 01/24/2021] [Indexed: 12/11/2022]
Abstract
Cell-cell fusion is a frequent and essential event during development, and its dysregulation causes diseases ranging from infertility to muscle weakness. Fusing cells need to repeatedly remodel their plasma membrane through orchestrated formation and disassembly of actin filaments, but how the dynamic reorganization of the cortical actin cytoskeleton is controlled is still poorly understood. Here, we identified a ubiquitin-dependent toggle switch that establishes reversible actin bundling during mammalian cell fusion. We found that EPS8-IRSp53 complexes stabilize cortical actin bundles at sites of cell contact to promote close membrane alignment. EPS8 monoubiquitylation by CUL3KCTD10 displaces EPS8-IRSp53 from membranes and counteracts actin bundling, a dual activity that restricts actin bundling to allow paired cells to progress with fusion. We conclude that cytoskeletal rearrangements during development are precisely controlled by ubiquitylation, raising the possibility of modulating the efficiency of cell-cell fusion for therapeutic benefit.
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Affiliation(s)
- Fernando Rodríguez-Pérez
- Howard Hughes Medical Institute, University of California at Berkeley, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Andrew G Manford
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Angela Pogson
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Andrew J Ingersoll
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Brenda Martínez-González
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA 94720, USA
| | - Michael Rape
- Howard Hughes Medical Institute, University of California at Berkeley, Berkeley, CA 94720, USA; Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley, CA 94720, USA.
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15
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Li J, Zou J, Littlejohn R, Liu J, Su H. Neddylation, an Emerging Mechanism Regulating Cardiac Development and Function. Front Physiol 2020; 11:612927. [PMID: 33391028 PMCID: PMC7773599 DOI: 10.3389/fphys.2020.612927] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Accepted: 11/20/2020] [Indexed: 12/13/2022] Open
Abstract
Defects in protein quality control have been increasingly recognized as pathogenic factors in the development of heart failure, a persistent devastating disease lacking efficacious therapies. Ubiquitin and ubiquitin-like proteins, a family of post-translational modifying polypeptides, play important roles in controlling protein quality by maintaining the stability and functional diversity of the proteome. NEDD8 (neural precursor cell expressed, developmentally downregulated 8), a small ubiquitin-like protein, was discovered two decades ago but until recently the biological significance of NEDD8 modifications (neddylation) in the heart has not been appreciated. In this review, we summarize the current knowledge of the biology of neddylation, highlighting several mechanisms by which neddylation regulates the function of its downstream targets, and discuss the expanding roles for neddylation in cardiac physiology and disease, with an emphasis on cardiac protein quality control. Finally, we outline challenges linked to the study of neddylation in health and disease.
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Affiliation(s)
- Jie Li
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Jianqiu Zou
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Rodney Littlejohn
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Jinbao Liu
- Protein Modification and Degradation Lab, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, China
| | - Huabo Su
- Vascular Biology Center, Medical College of Georgia, Augusta University, Augusta, GA, United States
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16
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Blondelle J, Biju A, Lange S. The Role of Cullin-RING Ligases in Striated Muscle Development, Function, and Disease. Int J Mol Sci 2020; 21:E7936. [PMID: 33114658 PMCID: PMC7672578 DOI: 10.3390/ijms21217936] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/11/2020] [Accepted: 10/13/2020] [Indexed: 02/07/2023] Open
Abstract
The well-orchestrated turnover of proteins in cross-striated muscles is one of the fundamental processes required for muscle cell function and survival. Dysfunction of the intricate protein degradation machinery is often associated with development of cardiac and skeletal muscle myopathies. Most muscle proteins are degraded by the ubiquitin-proteasome system (UPS). The UPS involves a number of enzymes, including E3-ligases, which tightly control which protein substrates are marked for degradation by the proteasome. Recent data reveal that E3-ligases of the cullin family play more diverse and crucial roles in cross striated muscles than previously anticipated. This review highlights some of the findings on the multifaceted functions of cullin-RING E3-ligases, their substrate adapters, muscle protein substrates, and regulatory proteins, such as the Cop9 signalosome, for the development of cross striated muscles, and their roles in the etiology of myopathies.
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Affiliation(s)
- Jordan Blondelle
- Department of Medicine, University of California, La Jolla, CA 92093, USA
| | - Andrea Biju
- Department of Medicine, University of California, La Jolla, CA 92093, USA
| | - Stephan Lange
- Department of Medicine, University of California, La Jolla, CA 92093, USA
- Department of Molecular and Clinical Medicine, University of Gothenburg, 41345 Gothenburg, Sweden
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17
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Manford AG, Rodríguez-Pérez F, Shih KY, Shi Z, Berdan CA, Choe M, Titov DV, Nomura DK, Rape M. A Cellular Mechanism to Detect and Alleviate Reductive Stress. Cell 2020; 183:46-61.e21. [PMID: 32941802 DOI: 10.1016/j.cell.2020.08.034] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 05/28/2020] [Accepted: 08/18/2020] [Indexed: 12/14/2022]
Abstract
Metazoan organisms rely on conserved stress response pathways to alleviate adverse conditions and preserve cellular integrity. Stress responses are particularly important in stem cells that provide lifetime support for tissue formation and repair, but how these protective systems are integrated into developmental programs is poorly understood. Here we used myoblast differentiation to identify the E3 ligase CUL2FEM1B and its substrate FNIP1 as core components of the reductive stress response. Reductive stress, as caused by prolonged antioxidant signaling or mitochondrial inactivity, reverts the oxidation of invariant Cys residues in FNIP1 and allows CUL2FEM1B to recognize its target. The ensuing proteasomal degradation of FNIP1 restores mitochondrial activity to preserve redox homeostasis and stem cell integrity. The reductive stress response is therefore built around a ubiquitin-dependent rheostat that tunes mitochondrial activity to redox needs and implicates metabolic control in coordination of stress and developmental signaling.
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Affiliation(s)
- Andrew G Manford
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA
| | - Fernando Rodríguez-Pérez
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA; Howard Hughes Medical Institute, University of California at Berkeley, Berkeley CA 94720, USA
| | - Karen Y Shih
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA; Howard Hughes Medical Institute, University of California at Berkeley, Berkeley CA 94720, USA
| | - Zhuo Shi
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA
| | - Charles A Berdan
- Department of Nutritional Science and Toxicology, University of California at Berkeley, Berkeley CA 94720, USA
| | - Mangyu Choe
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA; Department of Nutritional Science and Toxicology, University of California at Berkeley, Berkeley CA 94720, USA; Center for Computational Biology, University of California at Berkeley, Berkeley CA 94720, USA
| | - Denis V Titov
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA; Department of Nutritional Science and Toxicology, University of California at Berkeley, Berkeley CA 94720, USA; Center for Computational Biology, University of California at Berkeley, Berkeley CA 94720, USA
| | - Daniel K Nomura
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA; Department of Nutritional Science and Toxicology, University of California at Berkeley, Berkeley CA 94720, USA; Department of Chemistry, University of California at Berkeley, CA 94720, USA
| | - Michael Rape
- Department of Molecular and Cell Biology, University of California at Berkeley, Berkeley CA 94720, USA; Howard Hughes Medical Institute, University of California at Berkeley, Berkeley CA 94720, USA; California Institute for Quantitative Biosciences (QB3), University of California at Berkeley, Berkeley, CA 94720, USA.
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18
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Edwards JJ, Rouillard AD, Fernandez NF, Wang Z, Lachmann A, Shankaran SS, Bisgrove BW, Demarest B, Turan N, Srivastava D, Bernstein D, Deanfield J, Giardini A, Porter G, Kim R, Roberts AE, Newburger JW, Goldmuntz E, Brueckner M, Lifton RP, Seidman CE, Chung WK, Tristani-Firouzi M, Yost HJ, Ma'ayan A, Gelb BD. Systems Analysis Implicates WAVE2 Complex in the Pathogenesis of Developmental Left-Sided Obstructive Heart Defects. JACC Basic Transl Sci 2020; 5:376-386. [PMID: 32368696 PMCID: PMC7188873 DOI: 10.1016/j.jacbts.2020.01.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 12/30/2022]
Abstract
Combining CHD phenotype–driven gene set enrichment and CRISPR knockdown screening in zebrafish is an effective approach to identifying novel CHD genes. Mutations affecting genes coding for the WAVE2 protein complex and small GTPase-mediated signaling are associated with LVOTO lesions. WAVE2 complex genes brk1, nckap1, and wasf2 and regulators of small GTPase signaling cul3a and racgap1 are critical to zebrafish heart development.
Genetic variants are the primary driver of congenital heart disease (CHD) pathogenesis. However, our ability to identify causative variants is limited. To identify causal CHD genes that are associated with specific molecular functions, the study used prior knowledge to filter de novo variants from 2,881 probands with sporadic severe CHD. This approach enabled the authors to identify an association between left ventricular outflow tract obstruction lesions and genes associated with the WAVE2 complex and regulation of small GTPase-mediated signal transduction. Using CRISPR zebrafish knockdowns, the study confirmed that WAVE2 complex proteins brk1, nckap1, and wasf2 and the regulators of small GTPase signaling cul3a and racgap1 are critical to cardiac development.
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Key Words
- CHD, congenital heart disease
- CORUM, Comprehensive Resource of Mammalian Protein Complexes
- CRISPR, clustered regularly interspaced short palindromic repeats
- CTD, conotruncal defect
- GOBP, Gene Ontology biological processes
- HHE, high heart expression
- HLHS, hypoplastic left heart syndrome
- HTX, heterotaxy
- LVOTO, left ventricular outflow tract obstruction
- MGI, Mouse Genome Informatics
- PCGC, Pediatric Cardiac Genomics Consortium
- PPI, protein-protein interaction
- congenital heart disease
- systems biology
- translational genomics
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Affiliation(s)
- Jonathan J Edwards
- Department of Pediatrics, Division of Pediatric Cardiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Andrew D Rouillard
- Department of Pharmacological Sciences, Mount Sinai Center for Bioinformatics, LINCS-BD2K DCIC, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Nicolas F Fernandez
- Department of Pharmacological Sciences, Mount Sinai Center for Bioinformatics, LINCS-BD2K DCIC, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Zichen Wang
- Department of Pharmacological Sciences, Mount Sinai Center for Bioinformatics, LINCS-BD2K DCIC, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Alexander Lachmann
- Department of Pharmacological Sciences, Mount Sinai Center for Bioinformatics, LINCS-BD2K DCIC, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Sunita S Shankaran
- Department of Molecular Physiology and Biophysics, Vanderbilt School of Medicine, Nashville, Tennessee
| | - Brent W Bisgrove
- Molecular Medicine Program, University of Utah School of Medicine, Salt Lake City, Utah
| | - Bradley Demarest
- Molecular Medicine Program, University of Utah School of Medicine, Salt Lake City, Utah
| | | | - Deepak Srivastava
- Gladstone Institute of Cardiovascular Disease, San Francisco, California
| | - Daniel Bernstein
- Division of Pediatric Cardiology, Stanford University School of Medicine, Stanford University, Stanford, California
| | - John Deanfield
- Department of Cardiology, Great Ormond Street Hospital, University College London, London, United Kingdom
| | - Alessandro Giardini
- Department of Cardiology, Great Ormond Street Hospital, University College London, London, United Kingdom
| | - George Porter
- Department of Pediatrics, University of Rochester Medical Center, University of Rochester School of Medicine and Dentistry, Rochester, New York
| | - Richard Kim
- Section of Cardiothoracic Surgery, Keck School of Medicine of USC, University of Southern California, Los Angeles, California
| | - Amy E Roberts
- Department of Cardiology, Children's Hospital Boston, Boston, Massachusetts
| | - Jane W Newburger
- Department of Cardiology, Children's Hospital Boston, Boston, Massachusetts
| | - Elizabeth Goldmuntz
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Martina Brueckner
- Department of Genetics, Yale School of Medicine, New Haven, Connecticut
| | - Richard P Lifton
- Department of Genetics, Yale School of Medicine, New Haven, Connecticut.,Howard Hughes Medical Institute, Yale University, New Haven, Connecticut
| | - Christine E Seidman
- Department of Genetics, Harvard Medical School, Boston, Massachusetts.,Howard Hughes Medical Institute, Harvard University, Boston, Massachusetts.,Cardiovascular Division, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts
| | - Wendy K Chung
- Department of Pediatrics, Columbia University Medical Center, New York, New York.,Department of Medicine, Columbia University Medical Center, New York, New York
| | - Martin Tristani-Firouzi
- Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah School of Medicine, Salt Lake City, Utah
| | - H Joseph Yost
- Molecular Medicine Program, University of Utah School of Medicine, Salt Lake City, Utah
| | - Avi Ma'ayan
- Department of Pharmacological Sciences, Mount Sinai Center for Bioinformatics, LINCS-BD2K DCIC, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Bruce D Gelb
- Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, New York.,Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, New York
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19
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Samudrala SSK, North LM, Stamm KD, Earing MG, Frommelt MA, Willes R, Tripathi S, Dsouza NR, Zimmermann MT, Mahnke DK, Liang HL, Lund M, Lin C, Geddes GC, Mitchell ME, Tomita‐Mitchell A. Novel KLHL26 variant associated with a familial case of Ebstein's anomaly and left ventricular noncompaction. Mol Genet Genomic Med 2020; 8:e1152. [PMID: 31985165 PMCID: PMC7196453 DOI: 10.1002/mgg3.1152] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 01/11/2020] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Ebstein's anomaly (EA) is a rare congenital heart disease of the tricuspid valve and right ventricle. Patients with EA often manifest with left ventricular noncompaction (LVNC), a cardiomyopathy. Despite implication of cardiac sarcomere genes in some cases, very little is understood regarding the genetic etiology of EA/LVNC. Our study describes a multigenerational family with at least 10 of 17 members affected by EA/LVNC. METHODS We performed echocardiography on all family members and conducted exome sequencing of six individuals. After identifying candidate variants using two different bioinformatic strategies, we confirmed segregation with phenotype using Sanger sequencing. We investigated structural implications of candidate variants using protein prediction models. RESULTS Exome sequencing analysis of four affected and two unaffected members identified a novel, rare, and damaging coding variant in the Kelch-like family member 26 (KLHL26) gene located on chromosome 19 at position 237 of the protein (GRCh37). This variant region was confirmed by Sanger sequencing in the remaining family members. KLHL26 (c.709C > T p.R237C) segregates only with EA/LVNC-affected individuals (FBAT p < .05). Investigating structural implications of the candidate variant using protein prediction models suggested that the KLHL26 variant disrupts electrostatic interactions when binding to part of the ubiquitin proteasome, specifically Cullin3 (CUL3), a component of E3 ubiquitin ligase. CONCLUSION In this familial case of EA/LVNC, we have identified a candidate gene variant, KLHL26 (p.R237C), which may have an important role in ubiquitin-mediated protein degradation during cardiac development.
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Affiliation(s)
- Sai Suma K. Samudrala
- Department of Cell Biology, Neurobiology and AnatomyMedical College of WisconsinMilwaukeeWIUSA
| | - Lauren M. North
- Department of Otolaryngology and Communication SciencesMedical College of WisconsinMilwaukeeWIUSA
| | - Karl D. Stamm
- Department of SurgeryDivision of Cardiothoracic SurgeryMedical College of WisconsinMilwaukeeWIUSA
| | - Michael G. Earing
- Department of PediatricsChildren’s Hospital of WisconsinMilwaukeeWIUSA
- Herma Heart InstituteChildren’s Hospital of WisconsinMilwaukeeWIUSA
| | - Michele A. Frommelt
- Department of PediatricsChildren’s Hospital of WisconsinMilwaukeeWIUSA
- Herma Heart InstituteChildren’s Hospital of WisconsinMilwaukeeWIUSA
| | - Richard Willes
- Department of PediatricsChildren’s Hospital of WisconsinMilwaukeeWIUSA
| | - Swarnendu Tripathi
- Bioinformatics Research and Developmental LabGenomic Sciences and Precision Medicine CenterMedical College of WisconsinMilwaukeeWIUSA
| | - Nikita R. Dsouza
- Bioinformatics Research and Developmental LabGenomic Sciences and Precision Medicine CenterMedical College of WisconsinMilwaukeeWIUSA
| | - Michael T. Zimmermann
- Bioinformatics Research and Developmental LabGenomic Sciences and Precision Medicine CenterMedical College of WisconsinMilwaukeeWIUSA
- Clinical and Translational Science InstituteMedical College of WisconsinMilwaukeeWIUSA
| | - Donna K. Mahnke
- Department of SurgeryDivision of Cardiothoracic SurgeryMedical College of WisconsinMilwaukeeWIUSA
| | - Huan Ling Liang
- Department of SurgeryDivision of Cardiothoracic SurgeryMedical College of WisconsinMilwaukeeWIUSA
| | - Michael Lund
- Department of Obstetrics and GynecologyMedical College of WisconsinMilwaukeeWIUSA
| | - Chien‐Wei Lin
- Division of BiostatisticsMedical College of WisconsinMilwaukeeWIUSA
| | | | - Michael E. Mitchell
- Department of SurgeryDivision of Cardiothoracic SurgeryMedical College of WisconsinMilwaukeeWIUSA
- Herma Heart InstituteChildren’s Hospital of WisconsinMilwaukeeWIUSA
| | - Aoy Tomita‐Mitchell
- Department of SurgeryDivision of Cardiothoracic SurgeryMedical College of WisconsinMilwaukeeWIUSA
- Herma Heart InstituteChildren’s Hospital of WisconsinMilwaukeeWIUSA
- Department of Biomedical EngineeringMedical College of WisconsinMilwaukeeWIUSA
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20
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Shaping Striated Muscles with Ubiquitin Proteasome System in Health and Disease. Trends Mol Med 2019; 25:760-774. [PMID: 31235369 DOI: 10.1016/j.molmed.2019.05.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 05/03/2019] [Accepted: 05/23/2019] [Indexed: 02/06/2023]
Abstract
For long-lived contractile cells, such as striated muscle cells, maintaining proteome integrity is a challenging task. These cells require hundreds of components that must be properly synthesized, folded, and incorporated into the basic contractile unit, the sarcomere. Muscle protein quality control in cells is mainly guaranteed by the ubiquitin-proteasome system (UPS), the lysosome-autophagy system, and various molecular chaperones. Recent studies establish the concept of dedicated UPS in the regulation of sarcomere assembly during development and in adult life to maintain the intricate and interwoven organization of protein complexes in muscle. Failure of sarcomere protein quality control often represents the basis of severe myopathies and cardiomyopathies in human, further highlighting its importance in producing and maintaining the contractile machinery of muscle cells in shape.
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21
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What if? Mouse proteomics after gene inactivation. J Proteomics 2019; 199:102-122. [DOI: 10.1016/j.jprot.2019.03.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 03/09/2019] [Accepted: 03/10/2019] [Indexed: 12/17/2022]
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22
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Blondelle J, Tallapaka K, Seto JT, Ghassemian M, Clark M, Laitila JM, Bournazos A, Singer JD, Lange S. Cullin-3 dependent deregulation of ACTN1 represents a new pathogenic mechanism in nemaline myopathy. JCI Insight 2019; 5:125665. [PMID: 30990797 PMCID: PMC6542616 DOI: 10.1172/jci.insight.125665] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 04/11/2019] [Indexed: 12/11/2022] Open
Abstract
Nemaline myopathy is a congenital neuromuscular disorder characterized by muscle weakness, fiber atrophy and presence of nemaline bodies within myofibers. However, the understanding of underlying pathomechanisms is lacking. Recently, mutations in KBTBD13, KLHL40 and KLHL41, three substrate adaptors for the E3-ubiquitin ligase Cullin-3, have been associated with early-onset nemaline myopathies. We hypothesized that deregulation of Cullin-3 and its muscle protein substrates may be responsible for the disease development. Using Cullin-3 knockout mice, we identified accumulation of non-muscle alpha-Actinins (ACTN1 and ACTN4) in muscles of these mice, which we also observed in KBTBD13 patients. Our data reveal that proper regulation of Cullin-3 activity and ACTN1 levels is essential for normal muscle and neuromuscular junction development. While ACTN1 is naturally downregulated during myogenesis, its overexpression in C2C12 myoblasts triggered defects in fusion, myogenesis and acetylcholine receptor clustering; features that we characterized in Cullin-3 deficient mice. Taken together, our data highlight the importance for Cullin-3 mediated degradation of ACTN1 for muscle development, and indicate a new pathomechanism for the etiology of myopathies seen in Cullin-3 knockout mice and nemaline myopathy patients.
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Affiliation(s)
- Jordan Blondelle
- Division of Cardiology, School of Medicine, UCSD, La Jolla, California, USA
| | - Kavya Tallapaka
- Division of Cardiology, School of Medicine, UCSD, La Jolla, California, USA
| | - Jane T. Seto
- Neuromuscular Research, Murdoch Children’s Research Institute, Royal Children’s Hospital, Parkville, Victoria, Australia
- Department of Paediatrics, University of Melbourne, Parkville, Victoria, Australia
| | - Majid Ghassemian
- Department of Chemistry and Biochemistry. UCSD, La Jolla, California, USA
| | - Madison Clark
- Division of Cardiology, School of Medicine, UCSD, La Jolla, California, USA
| | - Jenni M. Laitila
- Folkhälsan Research Center and Medicum, University of Helsinki, Helsinki, Finland
| | - Adam Bournazos
- Kids Neuroscience Centre, Kids Research, Children’s Hospital at Westmead, Sydney, New South Wales, Australia
- Discipline of Child and Adolescent Health, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia
| | - Jeffrey D. Singer
- Department of Biology, Portland State University, Portland, Oregon, USA
| | - Stephan Lange
- Division of Cardiology, School of Medicine, UCSD, La Jolla, California, USA
- Wallenberg Laboratory, Department of Molecular and Clinical Medicine, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
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Zou J, Ma W, Littlejohn R, Li J, Stansfield BK, Kim IM, Liu J, Zhou J, Weintraub NL, Su H. Transient inhibition of neddylation at neonatal stage evokes reversible cardiomyopathy and predisposes the heart to isoproterenol-induced heart failure. Am J Physiol Heart Circ Physiol 2019; 316:H1406-H1416. [PMID: 30925068 DOI: 10.1152/ajpheart.00806.2018] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Alterations in perinatal conditions (such as preterm birth) is linked to adult health and disease, in particular, the cardiovascular system. Neddylation, a novel posttranslational modification through which the ubiquitin-like protein NEDD8 is conjugated to protein substrates, has emerged as an important mechanism regulating embryonic cardiac chamber maturation. However, the importance of neddylation in postpartum cardiac development has not been investigated. Here, we aimed to determine whether transient, postnatal inhibition of neddylation has immediate and prolonged impact on the structure and function of the neonatal and adult hearts. Sprague-Dawley pups were given three intraperitoneal injections of MLN4924 (MLN), a specific neddylation inhibitor, at postnatal days (P)1, 3, and 5. Cardiac structure and function were temporally assessed during aging and after 2 wk of isoproterenol (ISO) infusion in adulthood. MLN treatment resulted in modest reduction of neddylated proteins in neonatal hearts. The MLN-treated rats developed cardiac hypertrophy and dysfunction by P7, which was accompanied by significantly reduced cardiomyocyte proliferation. At 3 mo of age, cardiac contractile function was restored in MLN-treated rats, but MLN-treated hearts displayed hypertrophic phenotype. Whereas ISO infusion triggered compensatory cardiac hypertrophy without impairing cardiac contractility in the control rats, the MLN-treated rats displayed a similar degree of hypertrophy, which quickly progressed to decompensation with ventricular wall thinning, chamber dilatation, and reduced ejection fraction as well as exacerbated pathological cardiac remodeling. Our findings suggest that neddylation is required for postnatal cardiac development and that perturbation of neddylation during development predisposes adult hearts to cardiac failure under stress conditions. NEW & NOTEWORTHY Our study demonstrates that perinatal perturbation of neddylation induces cardiomyopathy, impairs postnatal cardiac development, and increases susceptibility to catecholamine-induced cardiac dysfunction. The results reveal a previously unappreciated role of neddylation in postnatal cardiac maturation and call for close monitoring for the potential cardiotoxicity of MLN4924 (pevonedistat) and other agents that modify neddylation, especially in pregnant women and preadolescents.
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Affiliation(s)
- Jianqiu Zou
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Wenxia Ma
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Rodney Littlejohn
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Jie Li
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Brian K Stansfield
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia.,Department of Pediatrics, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Il-Man Kim
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Jinbao Liu
- Protein Modification and Degradation Laboratory, School of Basic Medical Sciences, Guangzhou Medical University , Guangzhou , China
| | - Jiliang Zhou
- Department of Medicine, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Neal L Weintraub
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia.,Department of Medicine, Medical College of Georgia, Augusta University , Augusta, Georgia
| | - Huabo Su
- Vascular Biology Center, Medical College of Georgia, Augusta University , Augusta, Georgia.,Protein Modification and Degradation Laboratory, School of Basic Medical Sciences, Guangzhou Medical University , Guangzhou , China.,Department of Pharmacology and Toxicology, Medical College of Georgia, Augusta University , Augusta, Georgia
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