1
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Yamanaka T, Takemura K, Hayashida M, Suyama K, Urakami S, Miura Y. Cabozantinib-induced serum creatine kinase elevation and rhabdomyolysis: a retrospective case series. Cancer Chemother Pharmacol 2023:10.1007/s00280-023-04557-0. [PMID: 37380798 DOI: 10.1007/s00280-023-04557-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 06/13/2023] [Indexed: 06/30/2023]
Abstract
PURPOSE Rhabdomyolysis, which is primarily characterized by serum creatine kinase (CK) elevation, is a potentially fatal disease, and it can occur in a variety of etiologies, including drug-induced. Cabozantinib is one of the standard treatments for patients with renal cell carcinoma (RCC). This retrospective case series aimed to investigate the frequency of cabozantinib-induced CK elevation and rhabdomyolysis, and to reveal their detailed clinical features. METHODS To investigate the frequency of cabozantinib-induced serum CK elevation and rhabdomyolysis, we retrospectively reviewed the clinical information and laboratory data of the patients with advanced RCC who received cabozantinib monotherapy at our institution from April 2020 to April 2023. Data were retrieved from the electronic medical records and the RCC database of our institution. Primary endpoint of the current case series was the frequency of CK elevation and rhabdomyolysis. RESULTS Sixteen patients were retrieved form the database and 13 were included in the case series (excluded by clinical trial enrollment [n = 2] and short-term administration [n = 1]). Eight (61.5%) patients among them experienced serum CK elevation, including five patients who were classified into grade 1. CK elevation occurred a median of 14 days after initiation of cabozantinib. Two patients with grade 2 or 3 of CK elevation developed rhabdomyolysis with muscle weakness and/or acute kidney injury. CONCLUSIONS CK elevation may frequently happen during cabozantinib treatment, and in most cases, it may be asymptomatic and may not be clinically problematic. However, medical providers should be aware that symptomatic CK elevations suggestive of rhabdomyolysis may occasionally occur.
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Affiliation(s)
- Taro Yamanaka
- Department of Medical Oncology, Toranomon Hospital, 2-2-2 Toranomon Minato-ku, Tokyo, 105-8470, Japan
| | - Kohji Takemura
- Department of Medical Oncology, Toranomon Hospital, 2-2-2 Toranomon Minato-ku, Tokyo, 105-8470, Japan
| | | | - Koichi Suyama
- Department of Medical Oncology, Toranomon Hospital, 2-2-2 Toranomon Minato-ku, Tokyo, 105-8470, Japan
| | | | - Yuji Miura
- Department of Medical Oncology, Toranomon Hospital, 2-2-2 Toranomon Minato-ku, Tokyo, 105-8470, Japan.
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2
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Waldemer-Streyer RJ, Kim D, Chen J. Muscle cell-derived cytokines in skeletal muscle regeneration. FEBS J 2022; 289:6463-6483. [PMID: 35073461 PMCID: PMC9308828 DOI: 10.1111/febs.16372] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 01/13/2022] [Accepted: 01/21/2022] [Indexed: 12/14/2022]
Abstract
Regeneration of the mammalian adult skeletal muscle is a well-orchestrated process regulated by multiple proteins and signalling pathways. Cytokines constitute a major class of regulators of skeletal myogenesis. It is well established that infiltrating immune cells at the site of muscle injury secrete cytokines, which play critical roles in the myofibre repair and regeneration process. In the past 10-15 years, skeletal muscle itself has emerged as a prolific producer of cytokines. Much attention in the field has been focused on the endocrine effects of muscle-secreted cytokines (myokines) on metabolic regulation. However, ample evidence suggests that muscle-derived cytokines also regulate myogenic differentiation and muscle regeneration in an autocrine manner. In this review, we survey cytokines that meet two criteria: (a) evidence of expression by muscle cells; (b) evidence demonstrating a myogenic function. Dozens of cytokines representing several major classes make up this group, and together they regulate all steps of the myogenic process. How such a large array of cytokines coordinate their signalling to form a regulatory network is a fascinating, pressing question. Functional studies that can distinguish the source of the cytokines in vivo are also much needed in order to facilitate exploration of their full therapeutic potential.
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Affiliation(s)
| | | | - Jie Chen
- Department of Cell & Developmental Biology, University of Illinois at Urbana-Champaign, 601 S. Goodwin Ave., Urbana, IL 61801
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3
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Della Verde G, Mochizuki M, Lorenz V, Roux J, Xu L, Ramin-Wright L, Pfister O, Kuster GM. Fms-like tyrosine kinase 3 is a regulator of the cardiac side population in mice. Life Sci Alliance 2021; 5:5/3/e202101112. [PMID: 34903561 PMCID: PMC8711848 DOI: 10.26508/lsa.202101112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/13/2022] Open
Abstract
Fms-like tyrosine kinase 3 (Flt3) is a regulator of hematopoietic progenitor cells and a target of tyrosine kinase inhibitors. Flt3-targeting tyrosine kinase inhibitors can have cardiovascular side effects. Flt3 and its ligand (Flt3L) are expressed in the heart, but little is known about their physiological functions. Here, we show that cardiac side population progenitor cells (SP-CPCs) from mice produce and are responsive to Flt3L. Compared with wild-type, flt3L-/- mice have less SP-CPCs with less contribution of CD45-CD34+ cells and lower expression of genes related to epithelial-to-mesenchymal transition, cardiovascular development and stem cell differentiation. Upon culturing, flt3L-/- SP-CPCs show increased proliferation and less vasculogenic commitment, whereas Akt phosphorylation is lower. Notably, proliferation and differentiation can be partially restored towards wild-type levels in the presence of alternative receptor tyrosine kinase-activating growth factors signaling through Akt. The lower vasculogenic potential of flt3L-/- SP-CPCs reflects in decreased microvascularisation and lower systolic function of flt3L-/- hearts. Thus, Flt3 regulates phenotype and function of murine SP-CPCs and contributes to cellular and molecular properties that are relevant for their cardiovasculogenic potential.
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Affiliation(s)
- Giacomo Della Verde
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Michika Mochizuki
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Vera Lorenz
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Julien Roux
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland.,Swiss Institute of Bioinformatics, Basel, Switzerland
| | - Lifen Xu
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Leandra Ramin-Wright
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Otmar Pfister
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland.,Department of Cardiology, University Hospital Basel, Basel, Switzerland
| | - Gabriela M Kuster
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland .,Department of Cardiology, University Hospital Basel, Basel, Switzerland
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4
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Kim D, Singh N, Waldemer-Streyer RJ, Yoon MS, Chen J. Muscle-derived TRAIL negatively regulates myogenic differentiation. Exp Cell Res 2020; 394:112165. [PMID: 32645396 DOI: 10.1016/j.yexcr.2020.112165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 07/03/2020] [Accepted: 07/05/2020] [Indexed: 01/02/2023]
Abstract
TNF-related apoptosis-inducing ligand (TRAIL) is known to induce apoptosis in cancer cells, although non-apoptotic functions have also been reported for this cytokine in various cell types. TRAIL and its receptor TRAIL-R2 are expressed in skeletal muscles, but a potential role of muscle-derived TRAIL in myogenesis has not been explored. Here we report that TRAIL is an autocrine regulator of myogenic differentiation. Knockdown of TRAIL or TRAIL-R2 enhanced C2C12 myoblast differentiation, and recombinant TRAIL inhibited expression of the cell cycle inhibitor p21, accompanied by suppression of myoblasts from exiting the cell cycle, a requisite step in the myogenic differentiation process. Blocking cell cycle progression restored differentiation from inhibition by recombinant TRAIL, supporting the notion that TRAIL exerts its effect in myogenesis through modulating cell cycle exit. We also found that TRAIL knockdown led to enhanced muscle regeneration in mice upon injury, recapitulating the in vitro observation. Additionally, inhibition of ERK activation reversed the negative effect of recombinant TRAIL on p21 expression and myoblast differentiation, suggesting that ERK signaling may be a mediator of TRAIL's function to suppress cell cycle withdrawal and inhibit differentiation. Taken together, our findings uncover a muscle cell-autonomous non-apoptotic function of TRAIL in skeletal myogenesis.
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Affiliation(s)
- Dongwook Kim
- Department of Cell & Developmental Biology, University of Illinois at Urbana-Champaign, 601 S. Goodwin Ave. B107, Urbana, IL, 61801, USA
| | - Nilmani Singh
- Department of Cell & Developmental Biology, University of Illinois at Urbana-Champaign, 601 S. Goodwin Ave. B107, Urbana, IL, 61801, USA
| | - Rachel J Waldemer-Streyer
- Department of Cell & Developmental Biology, University of Illinois at Urbana-Champaign, 601 S. Goodwin Ave. B107, Urbana, IL, 61801, USA
| | - Mee-Sup Yoon
- Department of Molecular Medicine, Graduate School of Medicine, Gachon University, Incheon, 406-840, Republic of Korea
| | - Jie Chen
- Department of Cell & Developmental Biology, University of Illinois at Urbana-Champaign, 601 S. Goodwin Ave. B107, Urbana, IL, 61801, USA.
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5
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Sun C, Choi IY, Gonzalez YIR, Andersen P, Talbot CC, Iyer SR, Lovering RM, Wagner KR, Lee G. Duchenne muscular dystrophy hiPSC-derived myoblast drug screen identifies compounds that ameliorate disease in mdx mice. JCI Insight 2020; 5:134287. [PMID: 32343677 PMCID: PMC7308059 DOI: 10.1172/jci.insight.134287] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 04/23/2020] [Indexed: 12/18/2022] Open
Abstract
Duchenne muscular dystrophy (DMD) is the most common muscular dystrophy. In the present study, when human induced pluripotent stem cells (hiPSCs) were differentiated into myoblasts, the myoblasts derived from DMD patient hiPSCs (DMD hiPSC-derived myoblasts) exhibited an identifiable DMD-relevant phenotype: myogenic fusion deficiency. Based on this model, we developed a DMD hiPSC-derived myoblast screening platform employing a high-content imaging (BD Pathway 855) approach to generate parameters describing morphological as well as myogenic marker protein expression. Following treatment of the cells with 1524 compounds from the Johns Hopkins Clinical Compound Library, compounds that enhanced myogenic fusion of DMD hiPSC-derived myoblasts were identified. The final hits were ginsenoside Rd and fenofibrate. Transcriptional profiling revealed that ginsenoside Rd is functionally related to FLT3 signaling, while fenofibrate is linked to TGF-β signaling. Preclinical tests in mdx mice showed that treatment with these 2 hit compounds can significantly ameliorate some of the skeletal muscle phenotypes caused by dystrophin deficiency, supporting their therapeutic potential. Further study revealed that fenofibrate could inhibit mitochondrion-induced apoptosis in DMD hiPSC-derived cardiomyocytes. We have developed a platform based on DMD hiPSC-derived myoblasts for drug screening and identified 2 promising small molecules with in vivo efficacy.
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Affiliation(s)
- Congshan Sun
- Departments of Neurology and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Center for Genetic Muscle Disorders, Hugo W. Moser Research Institute at Kennedy Krieger Institute, Baltimore, Maryland, USA
| | | | - Yazmin I. Rovira Gonzalez
- Center for Genetic Muscle Disorders, Hugo W. Moser Research Institute at Kennedy Krieger Institute, Baltimore, Maryland, USA
- Cellular and Molecular Medicine Graduate Program, and
| | - Peter Andersen
- Institute for Cell Engineering
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - C. Conover Talbot
- The Johns Hopkins School of Medicine Institute for Basic Biomedical Sciences, Baltimore, Maryland, USA
| | | | - Richard M. Lovering
- Department of Orthopaedics and
- Department of Physiology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Kathryn R. Wagner
- Departments of Neurology and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Center for Genetic Muscle Disorders, Hugo W. Moser Research Institute at Kennedy Krieger Institute, Baltimore, Maryland, USA
| | - Gabsang Lee
- Departments of Neurology and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Institute for Cell Engineering
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6
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Zhang Y, Yang J, Li M, Cui M, Fu ZF, Zhao L, Zhou M. A Recombinant Rabies Virus Expressing Fms-like Tyrosine Kinase 3 Ligand (Flt3L) Induces Enhanced Immunogenicity in Mice. Virol Sin 2019; 34:662-672. [PMID: 31254272 DOI: 10.1007/s12250-019-00144-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 05/29/2019] [Indexed: 02/07/2023] Open
Abstract
Rabies is a zoonotic disease that still causes 59,000 human deaths each year, and rabies vaccine is the most effective way to control the disease. Our previous studies suggested that the maturation of DC plays an important role in enhancing the immunogenicity of rabies vaccine. Flt3L has been reported to own the ability to accelerate the DC maturation, therefore, in this study, a recombinant rabies virus expressing mouse Flt3L, designated as LBNSE-Flt3L, was constructed, and its immunogenicity was characterized. It was found that LBNSE-Flt3L could enhance the maturation of DC both in vitro and in vivo, and significantly more TFH cells and Germinal Center B (GC B) cells were generated in mice immunized with LBNSE-Flt3L than those immunized with the parent virus LBNSE. Consequently, expressing of Flt3L could elevate the level of virus-neutralizing antibodies (VNA) in immunized mice which provides a better protection from a lethal rabies virus challenge. Taken together, our study extends the potential of Flt3L as a good adjuvant to develop novel rabies vaccine by enhancing the VNA production through activating the DC-TFH-GC B axis in immunized mice.
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Affiliation(s)
- Yachun Zhang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jie Yang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, China
| | - Mingming Li
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, China
| | - Min Cui
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhen F Fu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, China.,Department of Pathology, University of Georgia, Athens, GA, 30602, USA
| | - Ling Zhao
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China. .,Key Laboratory of Preventive Veterinary Medicine of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Ming Zhou
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China. .,Key Laboratory of Preventive Veterinary Medicine of Hubei Province, Huazhong Agricultural University, Wuhan, 430070, China.
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7
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Irazoqui AP, De Genaro P, Buitrago C, Bachmann H, González-Pardo V, Russo de Boland A. 1α,25(OH) 2D 3-glycosides from Solanum glaucophyllum leaves extract induce myoblasts differentiation through p38 MAPK and AKT activation. Biol Open 2018; 7:bio.033670. [PMID: 29685991 PMCID: PMC5992525 DOI: 10.1242/bio.033670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We have previously shown that Solanum glaucophyllum leaf extract (SGE) increases VDR protein levels and promotes myoblast differentiation. Here, we investigated whether p38 MAPK and AKT are involved in SGE actions. Cell-cycle studies showed that SGE prompted a peak of S-phase followed by an arrest in the G0/G1-phase through p38 MAPK. Time course studies showed that p38 MAPK and AKT phosphorylation were statistically increased by SGE (10 nM) or synthetic 1α,25(OH)2D3 (1 nM) treatment. Furthermore, p38 MAPK and AKT inhibitors, SB203580 and LY294002 respectively, suppressed myoblasts fusion induced by SGE or synthetic 1α,25(OH)2D3 We have also studied differentiation genes by qRT-PCR. myoD1 mRNA increased significantly by SGE (24-72 h) or 1α,25(OH)2D3 (24 h) treatment. mRNA expression of myogenin also increased upon SGE or 1α,25(OH)2D3 treatment. Finally, MHC2b mRNA expression, a late differentiation marker, was increased significantly by both compounds at 72 h compared to control. Taken together, these results suggest that SGE, as synthetic 1α,25(OH)2D3, promotes myotube formation through p38 MAPK and AKT activation.
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Affiliation(s)
- Ana Paula Irazoqui
- Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Universidad Nacional del Sur-CONICET, 8000 Bahía Blanca, Argentina
| | - Pablo De Genaro
- Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Universidad Nacional del Sur-CONICET, 8000 Bahía Blanca, Argentina
| | - Claudia Buitrago
- Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Universidad Nacional del Sur-CONICET, 8000 Bahía Blanca, Argentina.,Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur, 8000 Bahía Blanca, Argentina
| | | | - Verónica González-Pardo
- Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Universidad Nacional del Sur-CONICET, 8000 Bahía Blanca, Argentina .,Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur, 8000 Bahía Blanca, Argentina
| | - Ana Russo de Boland
- Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Universidad Nacional del Sur-CONICET, 8000 Bahía Blanca, Argentina
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8
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Narasimhan A, Greiner R, Bathe OF, Baracos V, Damaraju S. Differentially expressed alternatively spliced genes in skeletal muscle from cancer patients with cachexia. J Cachexia Sarcopenia Muscle 2018; 9:60-70. [PMID: 28984045 PMCID: PMC5803615 DOI: 10.1002/jcsm.12235] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 07/20/2017] [Accepted: 08/03/2017] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Alternative splicing (AS) is a post-transcriptional gene regulatory mechanism that contributes to proteome diversity. Aberrant splicing mechanisms contribute to various cancers and muscle-related conditions such as Duchenne muscular dystrophy. However, dysregulation of AS in cancer cachexia (CC) remains unexplored. Our objectives were (i) to profile alternatively spliced genes (ASGs) on a genome-wide scale and (ii) to identify differentially expressed alternatively spliced genes (DASGs) associated with CC. METHODS Rectus abdominis muscle biopsies obtained from cancer patients were stratified into cachectic cases (n = 21, classified based on International consensus diagnostic framework for CC) and non-cachectic controls (n = 19, weight stable cancer patients). Human transcriptome array 2.0 was used for profiling ASGs using the total RNA isolated from muscle biopsies. Representative DASG signatures were validated using semi-quantitative RT-PCR. RESULTS We identified 8960 ASGs, of which 922 DASGs (772 up-regulated and 150 down-regulated) were identified at ≥1.4 fold-change and P < 0.05. Representative DASGs validated by semi-quantitative RT-PCR confirmed the primary findings from the human transcriptome arrays. Identified DASGs were associated with myogenesis, adipogenesis, protein ubiquitination, and inflammation. Up to 10% of the DASGs exhibited cassette exon (exon included or skipped) as a predominant form of AS event. We also observed other forms of AS events such as intron retention, alternate promoters. CONCLUSIONS Overall, we have, for the first time, conducted global profiling of muscle tissue to identify DASGs associated with CC. The mechanistic roles of the identified DASGs in CC pathophysiology using model systems is warranted, as well as replication of findings in independent cohorts.
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Affiliation(s)
- Ashok Narasimhan
- Department of Laboratory Medicine and PathologyUniversity of AlbertaEdmontonABT6G 1Z2Canada
| | - Russell Greiner
- Department of Computing SciencesUniversity of AlbertaEdmontonABT6G 2E8Canada
| | - Oliver F. Bathe
- Departments of Surgery and OncologyUniversity of CalgaryCalgaryABT2N 1N4Canada
| | - Vickie Baracos
- Department of OncologyUniversity of AlbertaEdmontonABT6G 1Z2Canada
- Cross Cancer InstituteEdmontonABT6G 1Z2Canada
| | - Sambasivarao Damaraju
- Department of Laboratory Medicine and PathologyUniversity of AlbertaEdmontonABT6G 1Z2Canada
- Cross Cancer InstituteEdmontonABT6G 1Z2Canada
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9
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Waldemer-Streyer RJ, Reyes-Ordoñez A, Kim D, Zhang R, Singh N, Chen J. Cxcl14 depletion accelerates skeletal myogenesis by promoting cell cycle withdrawal. NPJ Regen Med 2017; 2. [PMID: 28775895 PMCID: PMC5537738 DOI: 10.1038/npjregenmed.2016.17] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Skeletal muscle in adults retains a robust ability to regenerate after injury, which progressively declines with age. Many of the regulators of skeletal myogenesis are unknown or incompletely understood. Intriguingly, muscle cells secrete a wide variety of factors, such as cytokines, which can influence muscle development and regeneration in an autocrine or paracrine manner. Here we describe chemokine (C-X-C motif) ligand 14 (Cxcl14) as a novel negative regulator of skeletal myogenesis. We found that Cxcl14 expression in myoblasts prevented cell cycle withdrawal, thereby inhibiting subsequent differentiation. Knockdown of Cxcl14 in vitro enhanced myogenic differentiation through promoting cell cycle withdrawal in an ERK1/2-dependent manner. Recapitulating these in vitro observations, the process of muscle regeneration following injury in young adult mice was accelerated by Cxcl14 depletion, accompanied by reduced cell proliferation. Furthermore, impaired capacity for muscle regeneration in aging mice was fully restored by Cxcl14 depletion. Our results indicate that Cxcl14 may be a promising target for development of therapeutics to treat muscle disease, especially aging-related muscle wasting.
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Affiliation(s)
- Rachel J Waldemer-Streyer
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Adriana Reyes-Ordoñez
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Dongwook Kim
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Rongping Zhang
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Nilmani Singh
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Jie Chen
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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10
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Zhong Y, Zou L, Wang Z, Pan Y, Dai Z, Liu X, Cui L, Zuo C. Lrrc75b is a novel negative regulator of C2C12 myogenic differentiation. Int J Mol Med 2016; 38:1411-1418. [PMID: 27633041 PMCID: PMC5065307 DOI: 10.3892/ijmm.2016.2738] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 09/08/2016] [Indexed: 12/20/2022] Open
Abstract
Many transcription factors and signaling molecules involved in the guidance of myogenic differentiation have been investigated in previous studies. However, the precise molecular mechanisms of myogenic differentiation remain largely unknown. In the present study, by performing a meta-analysis of C2C12 myogenic differentiation microarray data, we found that leucine-rich repeat-containing 75B (Lrrc75b), also known as AI646023, a molecule of unknown biological function, was downregulated during C2C12 myogenic differentiation. The knockdown of Lrrc75b using specific siRNA in C2C12 myoblasts markedly enhanced the expression of muscle-specific myogenin and increased myoblast fusion and the myotube diameter. By contrast, the adenovirus-mediated overexpression of Lrrc75b in C2C12 cells markedly inhibited myoblast differentiation accompanied by a decrease in myogenin expression. In addition, the phosphorylation of extracellular signal-regulated kinase 1/2 (Erk1/2) was suppressed in the cells in which Lrrc75b was silenced. Taken together, our results demonstrate that Lrrc75b is a novel suppressor of C2C12 myogenic differentiation by modulating myogenin and Erk1/2 signaling.
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Affiliation(s)
- Yuechun Zhong
- Department of Pharmacology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Liyi Zou
- Department of Pharmacology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Zonggui Wang
- Department of Biochemistry and Molecular Biology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Yaqiong Pan
- Department of Pharmacology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Zhong Dai
- Department of Pharmacology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Xinguang Liu
- Department of Biochemistry and Molecular Biology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Liao Cui
- Department of Pharmacology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
| | - Changqing Zuo
- Department of Pharmacology, Guangdong Medical University, Dongguan, Guangdong 523808, P.R. China
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11
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Waldemer-Streyer RJ, Chen J. Myocyte-derived Tnfsf14 is a survival factor necessary for myoblast differentiation and skeletal muscle regeneration. Cell Death Dis 2015; 6:e2026. [PMID: 26720335 PMCID: PMC4720906 DOI: 10.1038/cddis.2015.375] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/16/2015] [Accepted: 11/19/2015] [Indexed: 02/07/2023]
Abstract
Adult skeletal muscle tissue has a uniquely robust capacity for regeneration, which gradually declines with aging or is compromised in muscle diseases. The cellular mechanisms regulating adult myogenesis remain incompletely understood. Here we identify the cytokine tumor necrosis factor superfamily member 14 (Tnfsf14) as a positive regulator of myoblast differentiation in culture and muscle regeneration in vivo. We find that Tnfsf14, as well as its cognate receptors herpes virus entry mediator (HVEM) and lymphotoxin β receptor (LTβR), are expressed in both differentiating myocytes and regenerating myofibers. Depletion of Tnfsf14 or either receptor inhibits myoblast differentiation and promotes apoptosis. Our results also suggest that Tnfsf14 regulates myogenesis by supporting cell survival and maintaining a sufficient pool of cells for fusion. In addition, we show that Akt mediates the survival and myogenic function of Tnfsf14. Importantly, local knockdown of Tnfsf14 is found to impair injury-induced muscle regeneration in a mouse model, affirming an important physiological role for Tnfsf14 in myogenesis in vivo. Furthermore, we demonstrate that localized overexpression of Tnfsf14 potently enhances muscle regeneration, and that this regenerative capacity of Tnfsf14 is dependent on Akt signaling. Taken together, our findings reveal a novel regulator of skeletal myogenesis and implicate Tnfsf14 in future therapeutic development.
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Affiliation(s)
- R J Waldemer-Streyer
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - J Chen
- Department of Cell and Developmental Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
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Ge Y, Waldemer RJ, Nalluri R, Nuzzi PD, Chen J. Flt3L is a novel regulator of skeletal myogenesis. Development 2013. [DOI: 10.1242/dev.101865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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