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Ilhan M, Hastar N, Kampfrath B, Spierling DN, Jatzlau J, Knaus P. BMP Stimulation Differentially Affects Phosphorylation and Protein Stability of β-Catenin in Breast Cancer Cell Lines. Int J Mol Sci 2024; 25:4593. [PMID: 38731813 PMCID: PMC11083028 DOI: 10.3390/ijms25094593] [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: 02/19/2024] [Revised: 04/18/2024] [Accepted: 04/19/2024] [Indexed: 05/13/2024] Open
Abstract
Increased expression and nuclear translocation of β-CATENIN is frequently observed in breast cancer, and it correlates with poor prognosis. Current treatment strategies targeting β-CATENIN are not as efficient as desired. Therefore, detailed understanding of β-CATENIN regulation is crucial. Bone morphogenetic proteins (BMP) and Wingless/Integrated (WNT) pathway crosstalk is well-studied for many cancer types including colorectal cancer, whereas it is still poorly understood for breast cancer. Analysis of breast cancer patient data revealed that BMP2 and BMP6 were significantly downregulated in tumors. Since mutation frequency in genes enhancing β-CATENIN protein stability is relatively low in breast cancer, we aimed to investigate whether decreased BMP ligand expression could contribute to a high protein level of β-CATENIN in breast cancer cells. We demonstrated that downstream of BMP stimulation, SMAD4 is required to reduce β-CATENIN protein stability through the phosphorylation in MCF7 and T47D cells. Consequently, BMP stimulation reduces β-CATENIN levels and prevents its nuclear translocation and target gene expression in MCF7 cells. Conversely, BMP stimulation has no effect on β-CATENIN phosphorylation or stability in MDA-MB-231 and MDA-MB-468 cells. Likewise, SMAD4 modulation does not alter the response of those cells, indicating that SMAD4 alone is insufficient for BMP-induced β-CATENIN phosphorylation. While our data suggest that considering BMP activity may serve as a prognostic marker for understanding β-CATENIN accumulation risk, further investigation is needed to elucidate the differential responsiveness of breast cancer cell lines.
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Affiliation(s)
- Mustafa Ilhan
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany; (M.I.); (N.H.); (B.K.); (D.N.S.)
- Berlin School of Integrative Oncology, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Nurcan Hastar
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany; (M.I.); (N.H.); (B.K.); (D.N.S.)
- Brandenburg School for Regenerative Therapies, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Branka Kampfrath
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany; (M.I.); (N.H.); (B.K.); (D.N.S.)
| | - Deniz Neslihan Spierling
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany; (M.I.); (N.H.); (B.K.); (D.N.S.)
| | - Jerome Jatzlau
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany; (M.I.); (N.H.); (B.K.); (D.N.S.)
- Brandenburg School for Regenerative Therapies, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Petra Knaus
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany; (M.I.); (N.H.); (B.K.); (D.N.S.)
- Berlin School of Integrative Oncology, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
- Brandenburg School for Regenerative Therapies, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
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Niu R, Zhang X, Yu Y, Bao Z, Yang J, Yuan J, Li F. Identification of Growth-Related Gene BAMBI and Analysis of Gene Structure and Function in the Pacific White Shrimp Litopenaeus vannamei. Animals (Basel) 2024; 14:1074. [PMID: 38612313 PMCID: PMC11011141 DOI: 10.3390/ani14071074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 03/30/2024] [Accepted: 03/30/2024] [Indexed: 04/14/2024] Open
Abstract
As one of the most important aquaculture species in the world, the improvement of growth traits of the Pacific white shrimp (Litopenaeus vannamei), has always been a primary focus. In this study, we conducted SNP-specific locus analysis and identified a growth-related gene, BAMBI, in L. vannamei. We analyzed the structure and function of LvBAMBI using genomic, transcriptomic, metabolomic, and RNA interference (RNAi) assays. The LvBAMBI possessed highly conserved structural domains and widely expressed in various tissues. Knockdown of LvBAMBI significantly inhibited the gain of body length and weight of the shrimp, underscoring its role as a growth-promoting factor. Specifically, knockdown of LvBAMBI resulted in a significant downregulation of genes involved in lipid metabolism, protein synthesis, catabolism and transport, and immunity. Conversely, genes related to glucose metabolism exhibited significant upregulations. Analysis of differential metabolites (DMs) in metabolomics further revealed that LvBAMBI knockdown may primarily affect shrimp growth by regulating biological processes related to lipid and glucose metabolism. These results suggested that LvBAMBI plays a crucial role in regulating lipid metabolism, glucose metabolism, and protein transport in shrimp. This study provides valuable insights for future research and utilization of BAMBI genes in shrimp and crustaceans.
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Affiliation(s)
- Ruigang Niu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (R.N.); (Y.Y.); (Z.B.); (J.Y.); (J.Y.); (F.L.)
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaojun Zhang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (R.N.); (Y.Y.); (Z.B.); (J.Y.); (J.Y.); (F.L.)
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Wuhan 430072, China
| | - Yang Yu
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (R.N.); (Y.Y.); (Z.B.); (J.Y.); (J.Y.); (F.L.)
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Wuhan 430072, China
| | - Zhenning Bao
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (R.N.); (Y.Y.); (Z.B.); (J.Y.); (J.Y.); (F.L.)
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Junqing Yang
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (R.N.); (Y.Y.); (Z.B.); (J.Y.); (J.Y.); (F.L.)
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jianbo Yuan
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (R.N.); (Y.Y.); (Z.B.); (J.Y.); (J.Y.); (F.L.)
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Wuhan 430072, China
| | - Fuhua Li
- CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; (R.N.); (Y.Y.); (Z.B.); (J.Y.); (J.Y.); (F.L.)
- College of Earth Science, University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Chinese Academy of Sciences, Wuhan 430072, China
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3
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Chen X, Li J, Xiang A, Guan H, Su P, Zhang L, Zhang D, Yu Q. BMP and activin receptor membrane bound inhibitor: BAMBI has multiple roles in gene expression and diseases (Review). Exp Ther Med 2024; 27:28. [PMID: 38125356 PMCID: PMC10728939 DOI: 10.3892/etm.2023.12316] [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: 06/16/2023] [Accepted: 10/20/2023] [Indexed: 12/23/2023] Open
Abstract
BMP and activin membrane-bound inhibitor (BAMBI) is a transmembrane glycoprotein, known as a pseudo-receptor for TGFβ, as, while its extracellular domain is similar to that of type I TGFβ receptors, its intracellular structure is shorter and lacks a serine/threonine phosphokinase signaling motif. BAMBI can regulate numerous biological phenomena, including glucose and lipid metabolism, inflammatory responses, and cell proliferation and differentiation. Furthermore, abnormal expression of BAMBI at the mRNA and protein levels contributes to various human pathologies, including obesity and cancer. In the present review, the structure of BAMBI is briefly introduced and its associated signaling pathways and physiological functions are described. Understanding of BAMBI structure and function may contribute to knowledge regarding the occurrence of diseases, including obesity and diabetes, among others. The present review provides a theoretical foundation for the development of BAMBI as a potential biomarker or therapeutic target.
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Affiliation(s)
- Xiaochang Chen
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi'an, Shaanxi 710021, P.R. China
- Department of Basic Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Jue Li
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi'an, Shaanxi 710021, P.R. China
| | - Aoqi Xiang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi'an, Shaanxi 710021, P.R. China
| | - Hua Guan
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi'an, Shaanxi 710021, P.R. China
| | - Peihong Su
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi'an, Shaanxi 710021, P.R. China
| | - Lusha Zhang
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi'an, Shaanxi 710021, P.R. China
| | - Dian Zhang
- Department of Basic Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Qi Yu
- Shaanxi Key Laboratory of Ischemic Cardiovascular Diseases, Institute of Basic and Translational Medicine, Xi'an, Shaanxi 710021, P.R. China
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Lee SM, Meyer MB, Benkusky NA, Pike JW. Genome-wide analyses of gene expression profile identify key genes and pathways involved in skeletal response to phosphate and 1,25-dihydroxyvitamin D 3 in vivo. J Steroid Biochem Mol Biol 2023; 232:106335. [PMID: 37245694 PMCID: PMC10527973 DOI: 10.1016/j.jsbmb.2023.106335] [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: 01/17/2023] [Revised: 04/11/2023] [Accepted: 05/25/2023] [Indexed: 05/30/2023]
Abstract
Phosphate (P) is an essential element involved in various biological actions, such as bone integrity, energy production, cell signaling and molecular component. P homeostasis is modulated by 4 main tissues; intestine, kidney, bone, and parathyroid gland, where 1,25-dihydroxyvitamin D3 (1,25(OH)2D3), parathyroid hormone and fibroblast growth factor 23 (FGF23) are produced and/or have an influence. In bone, serum P level modulates the production of FGF23 which then controls not only P excretion but also vitamin D metabolism in kidney in an endocrine manner. The hormonally active form of vitamin D, 1,25(OH)2D3, also has a significant effect on skeletal cells via its receptor, the vitamin D receptor, to control gene expression which mediates bone metabolism as well as mineral homeostasis. In this study, we adopted RNA-seq analysis to understand genome-wide skeletal gene expression regulation in response to P and 1,25(OH)2D3. We examined lumbar 5 vertebrae from the mice that were fed P deficient diet for a week followed by an acute high P diet for 3, 6, and 24 h as well as mice treated with 1,25(OH)2D3 intraperitoneally for 6 h. Further identification and exploration of the genes regulated by P and 1,25(OH)2D3 showed that P dynamically modulates the expression of skeletal genes involved in various biological processes while 1,25(OH)2D3 regulates genes highly related to bone metabolism. Our in vivo data were then compared with in vitro data that we previously obtained, which suggests that the gene expression profiles presented in this report mainly represent those of osteocytes. Interestingly, it was found that even though the skeletal response to P is distinguished from that to 1,25(OH)2D3, both factors have an effect on Wnt signaling pathway to modulate bone homeostasis. Taken together, this report presents genome-wide data that provide a foundation to understand molecular mechanisms by which skeletal cells respond to P and 1,25(OH)2D3.
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Affiliation(s)
- Seong Min Lee
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA.
| | - Mark B Meyer
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Nancy A Benkusky
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - J Wesley Pike
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI 53706, USA
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5
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Kis D, Csordás IB, Persa E, Jezsó B, Hargitai R, Szatmári T, Sándor N, Kis E, Balázs K, Sáfrány G, Lumniczky K. Extracellular Vesicles Derived from Bone Marrow in an Early Stage of Ionizing Radiation Damage Are Able to Induce Bystander Responses in the Bone Marrow. Cells 2022; 11:cells11010155. [PMID: 35011718 PMCID: PMC8750882 DOI: 10.3390/cells11010155] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/22/2021] [Accepted: 12/24/2021] [Indexed: 02/01/2023] Open
Abstract
Ionizing radiation (IR)-induced bystander effects contribute to biological responses to radiation, and extracellular vesicles (EVs) play important roles in mediating these effects. In this study we investigated the role of bone marrow (BM)-derived EVs in the bystander transfer of radiation damage. Mice were irradiated with 0.1Gy, 0.25Gy and 2Gy, EVs were extracted from the BM supernatant 24 h or 3 months after irradiation and injected into bystander mice. Acute effects on directly irradiated or EV-treated mice were investigated after 4 and 24 h, while late effects were investigated 3 months after treatment. The acute effects of EVs on the hematopoietic stem and progenitor cell pools were similar to direct irradiation effects and persisted for up to 3 months, with the hematopoietic stem cells showing the strongest bystander responses. EVs isolated 3 months after irradiation elicited no bystander responses. The level of seven microRNAs (miR-33a-3p, miR-140-3p, miR-152-3p, miR-199a-5p, miR-200c-5p, miR-375-3p and miR-669o-5p) was altered in the EVs isolated 24 hour but not 3 months after irradiation. They regulated pathways highly relevant for the cellular response to IR, indicating their role in EV-mediated bystander responses. In conclusion, we showed that only EVs from an early stage of radiation damage could transmit IR-induced bystander effects.
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Affiliation(s)
- Dávid Kis
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
- Doctoral School of Pathological Sciences, Semmelweis University, 1085 Budapest, Hungary
| | - Ilona Barbara Csordás
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Eszter Persa
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Bálint Jezsó
- Doctoral School of Biology and Institute of Biology, Eötvös Loránd University, 1053 Budapest, Hungary;
- Research Centre for Natural Sciences, Institute of Enzymology, 1117 Budapest, Hungary
| | - Rita Hargitai
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Tünde Szatmári
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Nikolett Sándor
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Enikő Kis
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Katalin Balázs
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
- Doctoral School of Pathological Sciences, Semmelweis University, 1085 Budapest, Hungary
| | - Géza Sáfrány
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
| | - Katalin Lumniczky
- National Public Health Center, Department of Radiobiology and Radiohygiene, Unit of Radiation Medicine, 1097 Budapest, Hungary; (D.K.); (I.B.C.); (E.P.); (R.H.); (T.S.); (N.S.); (E.K.); (K.B.); (G.S.)
- Correspondence:
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KRAS Affects Adipogenic Differentiation by Regulating Autophagy and MAPK Activation in 3T3-L1 and C2C12 Cells. Int J Mol Sci 2021; 22:ijms222413630. [PMID: 34948427 PMCID: PMC8707842 DOI: 10.3390/ijms222413630] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 12/15/2021] [Accepted: 12/17/2021] [Indexed: 12/16/2022] Open
Abstract
Kirsten rat sarcoma 2 viral oncogene homolog (Kras) is a proto-oncogene that encodes the small GTPase transductor protein KRAS, which has previously been found to promote cytokine secretion, cell survival, and chemotaxis. However, its effects on preadipocyte differentiation and lipid accumulation are unclear. In this study, the effects of KRAS inhibition on proliferation, autophagy, and adipogenic differentiation as well as its potential mechanisms were analyzed in the 3T3-L1 and C2C12 cell lines. The results showed that KRAS was localized mainly in the nuclei of 3T3-L1 and C2C12 cells. Inhibition of KRAS altered mammalian target of rapamycin (Mtor), proliferating cell nuclear antigen (Pcna), Myc, peroxisome proliferator-activated receptor γ (PPARγ), CCAAT/enhancer binding protein beta (C/ebp-β), diacylglycerol O-acyltransferase 1 (Dgat1), and stearoyl-coenzyme A desaturase 1 (Scd1) expression, thereby reducing cell proliferation capacity while inducing autophagy, enhancing differentiation of 3T3-L1 and C2C12 cells into mature adipocytes, and increasing adipogenesis and the capacity to store lipids. Moreover, during differentiation, KRAS inhibition reduced the levels of extracellular regulated protein kinases (ERK), c-Jun N-terminal kinase (JNK), p38, and phosphatidylinositol 3 kinase (PI3K) activation. These results show that KRAS has unique regulatory effects on cell proliferation, autophagy, adipogenic differentiation, and lipid accumulation.
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Liu X, Zu E, Chang X, Ma X, Wang Z, Song X, Li X, Yu Q, Kamei KI, Hayashi T, Mizuno K, Hattori S, Fujisaki H, Ikejima T, Wang DO. Bi-phasic effect of gelatin in myogenesis and skeletal muscle regeneration. Dis Model Mech 2021; 14:273524. [PMID: 34821368 PMCID: PMC8713995 DOI: 10.1242/dmm.049290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/25/2021] [Indexed: 11/20/2022] Open
Abstract
Skeletal muscle regeneration requires extracellular matrix (ECM) remodeling, including an acute and transient breakdown of collagen that produces gelatin. Although the physiological function of this process is unclear, it has inspired the application of gelatin to injured skeletal muscle for a potential pro-regenerative effect. Here, we investigated a bi-phasic effect of gelatin in skeletal muscle regeneration, mediated by the hormetic effects of reactive oxygen species (ROS). Low-dose gelatin stimulated ROS production from NADPH oxidase 2 (NOX2) and simultaneously upregulated the antioxidant system for cellular defense, reminiscent of the adaptive compensatory process during mild stress. This response triggered the release of the myokine IL-6, which stimulates myogenesis and facilitates muscle regeneration. By contrast, high-dose gelatin stimulated ROS overproduction from NOX2 and the mitochondrial chain complex, and ROS accumulation by suppressing the antioxidant system, triggering the release of TNFα, which inhibits myogenesis and regeneration. Our results have revealed a bi-phasic role of gelatin in regulating skeletal muscle repair mediated by intracellular ROS, the antioxidant system and cytokine (IL-6 and TNFα) signaling. Summary: Application of high- and low-dose gelatin to skeletal muscle revealed a bi-phasic role of gelatin in regulating skeletal muscle repair, which has translational implications for regenerative medicine.
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Affiliation(s)
- Xiaoling Liu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Er Zu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Xinyu Chang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Xiaowei Ma
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Ziqi Wang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Xintong Song
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Xiangru Li
- School of Life Science and Biopharmaceutic, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Qing Yu
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Ken-Ichiro Kamei
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China.,Institute for Integrated Cell-Material Science (iCeMS), Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-850, Japan
| | - Toshihiko Hayashi
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China.,Department of Chemistry and Life Science, School of Advance Engineering, Kogakuin University, 2665-1, Nakanomachi, Hachioji, Tokyo 192-0015, Japan.,Nippi Research Institute of Biomatrix, Toride, Ibaraki 302-0017, Japan
| | - Kazunori Mizuno
- Nippi Research Institute of Biomatrix, Toride, Ibaraki 302-0017, Japan
| | - Shunji Hattori
- Nippi Research Institute of Biomatrix, Toride, Ibaraki 302-0017, Japan
| | - Hitomi Fujisaki
- Nippi Research Institute of Biomatrix, Toride, Ibaraki 302-0017, Japan
| | - Takashi Ikejima
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China.,Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research and Development, Shenyang Pharmaceutical University, Shenyang 110016, Liaoning, China
| | - Dan Ohtan Wang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, China.,Center for Biosystems Dynamics Research (BDR), RIKEN, 2-2-3 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan
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8
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Chen X, Zhao C, Xu Y, Huang K, Wang Y, Wang X, Zhou X, Pang W, Yang G, Yu T. Adipose-specific BMP and activin membrane-bound inhibitor (BAMBI) deletion promotes adipogenesis by accelerating ROS production. J Biol Chem 2021; 296:100037. [PMID: 33158991 PMCID: PMC7949090 DOI: 10.1074/jbc.ra120.014793] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 10/24/2020] [Accepted: 11/06/2020] [Indexed: 12/14/2022] Open
Abstract
With the improvement of people's living standards, the number of obese patients has also grown rapidly. It is reported that the level of oxidative stress in obese patients has significantly increased, mainly caused by the increase in reactive oxygen species (ROS) levels in adipose tissue. Studies have shown that the use of siRNA to interfere with bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI) expression could promote adipocyte differentiation, and under hypoxic conditions, BAMBI could act as a regulator of HIF1α to regulate the polarity damage of epithelial cells. In view of these results, we speculated that BAMBI may regulate adipogenesis by regulating the level of ROS. In this study, we generated adipose-specific BAMBI knockout mice (BAMBI AKO) and found that compared with control mice, BAMBI AKO mice showed obesity when fed with high-fat diet, accompanied by insulin resistance, glucose intolerance, hypercholesterolemia, and increased inflammation in adipose tissue. Interestingly, adipose-specific deficiency of BAMBI could cause an increase in the expression level of Nox4, thereby promoting ROS production in cytoplasm and mitochondria and the DNA-binding activity of C/EBPβ and ultimately promoting adipogenesis. Consistently, our findings indicated that BAMBI may be a reactive oxygen regulator to affect adipogenesis, thereby controlling obesity and metabolic syndrome.
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Affiliation(s)
- Xiaochang Chen
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Chen Zhao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Yanting Xu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Kuilong Huang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Yulong Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiaoyu Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiaoge Zhou
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Weijun Pang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Gongshe Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Taiyong Yu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China.
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9
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Sun E, Karaoz E. Can Wharton jelly derived or adipose tissue derived mesenchymal stem cell can be a treatment option for duchenne muscular dystrophy? Answers as transcriptomic aspect. AMERICAN JOURNAL OF STEM CELLS 2020; 9:57-67. [PMID: 32929392 PMCID: PMC7486554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 07/08/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Mesenchymal stem cells (MSCs) are able to differentiate into several cell lineages including skeletal muscle. In addition to their differentiation capacities, they have the ability to transfer their content genomic information horizontally through their exosomes and fusion abilities, as we have shown in our previous clinic study on Duchenne Muscular Dystrophy (DMD) patients, dystrophin expression increased after MSC treatment. Therefore, this study aimed to compare the transcriptomic properties of Wharton's jelly derived (WJ-) MSC and Adipose tissue (AT-) derived MSC, which are the two most preferred sources in MSC treatments applied in DMD. METHODS Both MSC cell lines obtained from ATCC (PCS-500-010; PCS-500-011) were characterized by flow cytometry then WJ-MSC and AT-MSC cell lines were sequenced via RNA-SEQ. R language was used to obtain the differentially expressed genes (DEGs) and differentially expressed miRNAs, respectively. Additionally, in order to support the results of our study, a gene expression profile data set of DMD patients (GSE1004) were acquired from Gene Expression Omnibus (GEO) database. RESULTS Here, we demonstrated that activated WNT signaling and downregulated TGF-β pathways under the control of decreased mir-24 which are involved in myogenic differentiation are differentially expressed in WJ-MSC. We have shown that the expression of mir-199a-5p, which is known to increase in exosomes of DMD patients, is less in WJ-MSC. Additionally, we have shown activated PI3K/Akt pathway, which is controlling mitochondria transfer via Tunnelling Nanotube as a new perspective in cellular therapies in myodegenerative diseases, in WJ-MSC more than in AT-MSCs. CONCLUSION Summing up, WJ-MSC, which we recommend as an appropriate source candidate due to its immune-regulation properties, stands forward as a preferable source in the cellular treatment of DMD patients due to its transcriptomic aspect.
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Affiliation(s)
- Eda Sun
- Histology and Embriology Department, Faculty of Medicine, İstinye Universityİstanbul, Turkey
- Center for Stem Cell and Tissue Engineering Research & Practice, İstinye Universityİstanbul, Turkey
| | - Erdal Karaoz
- Histology and Embriology Department, Faculty of Medicine, İstinye Universityİstanbul, Turkey
- Center for Stem Cell and Tissue Engineering Research & Practice, İstinye Universityİstanbul, Turkey
- Center for Regenerative Medicine and Stem Cell Research and Manufacturing, Liv Hospitalİstanbul, Turkey
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10
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Yang X, Ning Y, Mei C, Zhang W, Sun J, Wang S, Zan L. The role of BAMBI in regulating adipogenesis and myogenesis and the association between its polymorphisms and growth traits in cattle. Mol Biol Rep 2020; 47:5963-5974. [PMID: 32740798 DOI: 10.1007/s11033-020-05670-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Accepted: 07/17/2020] [Indexed: 11/30/2022]
Abstract
Bone morphogenic protein and activin membrane-bound inhibitor (BAMBI) is a transmembrane protein that affects the growth, development and muscle regeneration of the body by regulating the TGF-β, BMP and Wnt signaling pathways. Studies have found that BAMBI has important regulatory functions in skeletal muscle and preadipocytes in vivo and in vitro. However, research on this protein in cattle is lacking. In this study, to determine the role of BAMBI in the growth and development of cattle, we first found that the expression of BAMBI in adipose tissue and longissimus muscle of newborn and adult Qinchuan beef cattle was significantly different. Then we showed that BAMBI knockdown promoted the differentiation of bovine preadipocytes and suppressed myoblast myogenesis, as indicated by the increased lipid droplets and the decreased myotubes, as well as the corresponding significant changes in the expression of PPARγ, C/EBPα, C/EBPβ, FABP4, MyoD, MyoG and Myf6. Finally, to further verify the effect of BAMBI on the growth performance of cattle, we identified seven novel SNPs in the BAMBI genomic region, which were significantly correlated with one or more growth traits (p < 0.05). Furthermore, individuals with haplotype H1H4 (TC-GA-CT-CA-AT-AT-AG) had a higher body and carcass quality than those with other haplotypes (p < 0.05). In brief, BAMBI may be a functional gene for the differentiation of bovine preadipocytes and myoblasts, and variations in the BAMBI genomic region, especially the combined haplotype H1H4, may benefit marker-assisted selection in cattle.
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Affiliation(s)
- Xinran Yang
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, Shaanxi, China
| | - Yue Ning
- College of Chemistry and Chemical Engineering, Xianyang Normal University, Xianyang, 712000, Shaanxi, China
| | - Chugang Mei
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, Shaanxi, China.,National Beef Cattle Improvement Center, Yangling, 712100, Shaanxi, China
| | - Weiyi Zhang
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, Shaanxi, China
| | - Jingchun Sun
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, Shaanxi, China
| | - Sihu Wang
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, Shaanxi, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A & F University, Yangling, 712100, Shaanxi, China. .,National Beef Cattle Improvement Center, Yangling, 712100, Shaanxi, China.
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11
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Ramalingam V, Hwang I. Zinc oxide nanoparticles promoting the formation of myogenic differentiation into myotubes in mouse myoblast C2C12 cells. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2019.12.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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12
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Bone morphogenetic protein 2 induces the activation of WNT/β-catenin signaling and human trophoblast invasion through up-regulating BAMBI. Cell Signal 2020; 67:109489. [DOI: 10.1016/j.cellsig.2019.109489] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 11/27/2019] [Accepted: 11/28/2019] [Indexed: 12/28/2022]
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13
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Zhao H, Klausen C, Zhu H, Chang H, Li Y, Leung PCK. Bone morphogenetic protein 2 promotes human trophoblast cell invasion and endothelial‐like tube formation through ID1‐mediated upregulation of IGF binding protein‐3. FASEB J 2020; 34:3151-3164. [PMID: 31908038 DOI: 10.1096/fj.201902168rr] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 12/11/2019] [Accepted: 12/19/2019] [Indexed: 02/06/2023]
Affiliation(s)
- Hong‐Jin Zhao
- Department of Cardiology Shandong Provincial Hospital affiliated to Shandong University Jinan P.R. China
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver BC Canada
| | - Christian Klausen
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver BC Canada
| | - Hua Zhu
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver BC Canada
| | - Hsun‐Ming Chang
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver BC Canada
| | - Yan Li
- School of Medicine Shandong University Jinan China
- Center for Reproductive Medicine Shandong University Jinan China
- The Key Laboratory of Reproductive Endocrinology Ministry of Education Jinan China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics Jinan China
| | - Peter C. K. Leung
- Department of Obstetrics and Gynaecology BC Children's Hospital Research Institute University of British Columbia Vancouver BC Canada
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14
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Wang Y, Liu S, Yan Y, Li S, Tong H. SPARCL1 promotes C2C12 cell differentiation via BMP7-mediated BMP/TGF-β cell signaling pathway. Cell Death Dis 2019; 10:852. [PMID: 31699966 PMCID: PMC6838091 DOI: 10.1038/s41419-019-2049-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/23/2019] [Accepted: 10/07/2019] [Indexed: 12/21/2022]
Abstract
The extracellular matrix (ECM) is known to regulate tissue development and cell morphology, movement, and differentiation. SPARCL1 is an ECM protein, but its role in mouse cell differentiation has not been widely investigated. The results of western blotting and immunofluorescence showed that SPARCL1 is associated with the repair of muscle damage in mice and that SPARCL1 binds to bone morphogenetic protein 7 (BMP7) by regulating BMP/transforming growth factor (TGF)-β cell signaling. This pathway promotes the differentiation of C2C12 cells. Using CRISPR/Cas9 technology, we also showed that SPARCL1 activates BMP/TGF-β to promote the differentiation of C2C12 cells. BMP7 molecules were found to interact with SPARCL1 by immunoprecipitation analysis. Western blotting and immunofluorescence were performed to verify the effect of BMP7 on C2C12 cell differentiation. Furthermore, SPARCL1 was shown to influence the expression of BMP7 and activity of the BMP/TGF-β signaling pathway. Finally, SPARCL1 activation was accompanied by BMP7 inhibition in C2C12 cells, which confirmed that SPARCL1 affects BMP7 expression and can promote C2C12 cell differentiation through the BMP/TGF-β pathway. The ECM is essential for muscle regeneration and damage repair. This study intends to improve the understanding of the molecular mechanisms of muscle development and provide new treatment ideas for muscle injury diseases.
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Affiliation(s)
- YuXin Wang
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - ShuaiYu Liu
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - YunQin Yan
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - ShuFeng Li
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - HuiLi Tong
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China. .,Life Science and Biotechnology Research Center, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China.
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15
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A Chalcone from Ashitaba ( Angelica keiskei) Stimulates Myoblast Differentiation and Inhibits Dexamethasone-Induced Muscle Atrophy. Nutrients 2019; 11:nu11102419. [PMID: 31658768 PMCID: PMC6835314 DOI: 10.3390/nu11102419] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 09/30/2019] [Accepted: 10/05/2019] [Indexed: 02/07/2023] Open
Abstract
Ashitaba, Angelica keiskei Koidzumi (AK), as a traditional medicine in Korea, Japan, and China, has been known as an elixir of life having therapeutic potential. However, there is no scientific evidence to support that Ashitaba can enhance or maintain muscle strength. To find a new therapeutic agent from the medicinal plant, we evaluated the anti-myopathy effect of chalcones from ethanol extract of AK (EAK) in cellular and animal models of muscle atrophy. To examine anti-myopathy activity, EAK was treated into dexamethasone injected rats and muscle thickness and histopathological images were analyzed. Oral administration of EAK (250 or 500 mg/kg) alleviated muscle atrophic damages and down-regulated the mRNA levels of muscle-specific ubiquitin-E3 ligases. Among ten compounds isolated from EAK, 4-hydroxyderricin was the most effective principle in stimulating myogenesis of C2C12 myoblasts via activation of p38 mitogen-activated protein kinase (MAPK). In three cellular muscle atrophy models with C2C12 myoblasts damaged by dexamethasone or cancer cell-conditioned medium, 4-hydroxyderricin protected the myosin heavy chain (MHC) degradation through suppressing expressions of MAFbx, MuRF-1 and myostatin. These results suggest that the ethanol extract and its active principle, 4-hydroxyderricin from AK, can overcome the muscle atrophy through double mechanisms of decreasing muscle protein degradation and activating myoblast differentiation.
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16
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Liu D, Li S, Cui Y, Tong H, Li S, Yan Y. Podocan affects C2C12 myogenic differentiation by enhancing Wnt/β-catenin signaling. J Cell Physiol 2019; 234:11130-11139. [PMID: 30652305 DOI: 10.1002/jcp.27763] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Accepted: 10/29/2018] [Indexed: 12/20/2022]
Abstract
Podocan, a small leucine-rich repeat protein, is a negative regulator of cell proliferation. In this study, we demonstrated that podocan is involved in the differentiation of C2C12 murine myoblasts. Podocan expression increased with the progression of C2C12 differentiation. As expect, siRNA-mediated podocan knockdown inhibited C2C12 differentiation, as indicated by inhibition of MYOG, MYH2, and desmin expression, as well as reductions in the differentiation and fusion indices. Overexpression of podocan using dCas9 technology promoted C2C12 cell differentiation. In addition, supplementation of culture medium with podocan influenced C2C12 differentiation. Podocan knockdown reduced Wnt/β-catenin signaling, characterized by a reduction in the nuclear translocation of β-catenin, whereas podocan overexpression had the opposite effect. Furthermore, treatment with XAV939, an inhibitor of Wnt/β-catenin, reduced the podocan-mediated promotion of C2C12 differentiation. Induction of muscle injury in mice by bupivacaine administration suggested that podocan may play a role in muscle regeneration. In summary, our results suggest that podocan is required for normal C2C12 differentiation and that its role in myogenesis is mediated by the Wnt/β-catenin pathway.
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Affiliation(s)
- Dan Liu
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Shuang Li
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Yafeng Cui
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Huili Tong
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Shufeng Li
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, Heilongjiang, China
| | - Yunqin Yan
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, Heilongjiang, China
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17
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Lu HJ, Yan J, Jin PY, Zheng GH, Zhang HL, Bai M, Wu DM, Lu J, Zheng YL. Mechanism of MicroRNA-708 Targeting BAMBI in Cell Proliferation, Migration, and Apoptosis in Mice With Melanoma via the Wnt and TGF-β Signaling Pathways. Technol Cancer Res Treat 2019; 17:1533034618756784. [PMID: 29466930 PMCID: PMC5826012 DOI: 10.1177/1533034618756784] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Objective: The aim of this study was to evaluate the mechanisms involved with miRNA-708 and its targeting of bone morphogenetic protein and activin membrane-bound inhibitor in cell proliferation, migration, and apoptosis in mice with melanoma via the Wnt and transforming growth factor β signaling pathways. Methods: Sixty mice were recruited of which 40 were subsequently assigned into the experimental group (22 mice were successfully established as melanoma model and 18 mice used in tumor xenograft), and the normal control group consisted of 20 mice. B16 cells were assigned to the normal, blank, and negative control, miR-708 mimics, miR-708 inhibitors, si-BAMBI, and miR-708 inhibitors + si-bone morphogenetic protein and activin membrane-bound inhibitor groups. Western blotting and reverse transcription quantitative polymerase chain reaction were employed to detect the expression levels within the tissues and cell lines. TCF luciferase reporter (TOP-FLASH) or a control vector (FOP-FLASH) was applied to detect the activity of the Wnt signaling pathway. MTT3-(4,5-Dimethylthiazol-2-yl)-2,5 diphenyltetrazolium bromide assay, flow cytometry, scratch test, and Transwell assay were conducted, respectively, for cell proliferation, apoptosis, migration, and invasion, while tumor xenograft procedures were performed on the nude mice recruited for the study. Results: Compared to the normal control group, the model group displayed increased expressions of bone morphogenetic protein and activin membrane-bound inhibitor, Wnt10B, P53, and Bcl-2; TOPflash activity; β-catenin expression; cell proliferation; migration; and invasion capabilities while decreased expressions of miR-708, vascular endothelial growth factor, Fas, Bax, Caspase-3, and cleaved Caspase-3 and apoptosis rate. Compared to the blank and negative control groups, the miR-708 mimics and small-interfering RNA-bone morphogenetic protein and activin membrane-bound inhibitor groups exhibited decreases expressions of bone morphogenetic protein and activin membrane-bound inhibitor, Wnt10B, P53, and Bcl-2 and decreased proliferation, migration, and invasion capabilities, while increases in the apoptosis rate, expressions of vascular endothelial growth factor, Fas, Bax, Caspase-3, and cleaved Caspase-3; however, downregulated levels of TOPflash activity and β-catenin expression were recorded. The miR-708 inhibitors group displayed an opposite trend. Conclusion: Downregulation of miR-708-targeted bone morphogenetic protein and activin membrane-bound inhibitor inhibits the proliferation and migration of melanoma cells through the activation of the transforming growth factor β pathway and the suppression of Wnt pathway.
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Affiliation(s)
- Hong-Jie Lu
- 1 Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou, People's Republic of China.,2 College of Health Sciences, Jiangsu Normal University, Xuzhou, People's Republic of China
| | - Jing Yan
- 3 Emergency Center, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, People's Republic of China
| | - Pei-Ying Jin
- 1 Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou, People's Republic of China.,2 College of Health Sciences, Jiangsu Normal University, Xuzhou, People's Republic of China
| | - Gui-Hong Zheng
- 1 Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou, People's Republic of China.,2 College of Health Sciences, Jiangsu Normal University, Xuzhou, People's Republic of China
| | - Hai-Lin Zhang
- 4 Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People's Republic of China
| | - Ming Bai
- 4 Department of Plastic and Reconstructive Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, People's Republic of China
| | - Dong-Mei Wu
- 1 Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou, People's Republic of China.,2 College of Health Sciences, Jiangsu Normal University, Xuzhou, People's Republic of China
| | - Jun Lu
- 1 Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou, People's Republic of China.,2 College of Health Sciences, Jiangsu Normal University, Xuzhou, People's Republic of China
| | - Yuan-Lin Zheng
- 1 Key Laboratory for Biotechnology on Medicinal Plants of Jiangsu Province, School of Life Science, Jiangsu Normal University, Xuzhou, People's Republic of China.,2 College of Health Sciences, Jiangsu Normal University, Xuzhou, People's Republic of China
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18
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Ge Y, Li S, Hu XY, Tong HL, Li SF, Yan YQ. TCEA3 promotes differentiation of C2C12 cells via an Annexin A1-mediated transforming growth factor-β signaling pathway. J Cell Physiol 2019; 234:10554-10565. [PMID: 30623413 DOI: 10.1002/jcp.27726] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Accepted: 10/18/2018] [Indexed: 12/13/2022]
Abstract
TCEA3 is a member of the transcription elongation factor family that not only promotes transcription but may also participate in other cytoplasmic processes. However, its mechanisms of action remain unclear. Our previous study indicated that TCEA3 may affect muscle differentiation. In this study, we investigated the expression and localization of TCEA3 in C2C12 cells and examined the role of TCEA3 in differentiation, its interaction with other cell proteins, and mechanisms of action. We found that the expression of TCEA3 increased gradually with an increase in the number of differentiation days and that it is mainly expressed in the cytoplasm of C2C12 cells, of which it promotes differentiation. Coimmunoprecipitation experiments and western blot analysis revealed that TCEA3 interacts with Annexin A1 (ANXA1), which is located in the cytoplasm and also promotes cell differentiation. Collectively, our results indicate that TCEA3 promotes cell differentiation by interacting with ANXA1 and affecting transforming growth factor-β signaling pathways.
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Affiliation(s)
- Yao Ge
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, China
| | - Shuang Li
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, China
| | - Xiao-Yang Hu
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, China
| | - Hui-Li Tong
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, China
| | - Shu-Feng Li
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, China
| | - Yun-Qin Yan
- The Laboratory of Cell and Development, Northeast Agricultural University, Harbin, China
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19
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Yao X, Yu T, Xi F, Xu Y, Ma L, Pan X, Chen S, Han M, Yin Y, Dai X, Xu G, Zhang H, Yang G, Xie L. BAMBI shuttling between cytosol and membrane is required for skeletal muscle development and regeneration. Biochem Biophys Res Commun 2018; 509:125-132. [PMID: 30580997 DOI: 10.1016/j.bbrc.2018.12.082] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 12/12/2018] [Indexed: 01/12/2023]
Abstract
Bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI) gene encodes a transmembrane protein and is involved in multiple physiological and pathological processes, such as inflammatory response, tumor development and progression, cell proliferation and differentiation. A previous study suggested that BAMBI may interact with the Wnt/β-catenin signaling pathway via promoting β-catenin nuclear translocation associated with C2C12 myogenic myoblast differentiation. However, its biological function in skeletal muscle still remains unknown and requires further characterization. The present work sought to investigate its biological function in skeletal muscle, especially the physiological roles of BAMBI during skeletal muscle growth and regeneration. Our current work suggests that BAMBI protein is highly expressed in skeletal muscle and is only detected in cytosolic fraction in the resting muscle. Moreover, BAMBI protein is co-localized in fast-twitch (glycolytic) fibers, but not in slow-twitch (oxidative) fibers. Comparing with the cytosolic trapping in resting muscle, BAMBI protein is enriched on cellular membrane during the muscle growth and regeneration, suggesting that BAMBI-mediated a significant signaling pathway may be an essential part of muscle growth and regeneration.
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Affiliation(s)
- Xiangping Yao
- Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China; State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, 510070, China; Guangdong Bide Biotech CO. L.T.D., Guangzhou, Guangdong, China
| | - Taiyong Yu
- Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Fengxue Xi
- Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Yanting Xu
- Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Lu Ma
- Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Xiaohan Pan
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, 510070, China; Guangdong Bide Biotech CO. L.T.D., Guangzhou, Guangdong, China
| | - Shujie Chen
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, 510070, China; Guangdong Bide Biotech CO. L.T.D., Guangzhou, Guangdong, China
| | - Mulan Han
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, 510070, China; Guangdong Bide Biotech CO. L.T.D., Guangzhou, Guangdong, China
| | - Yulong Yin
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, 510070, China
| | - Xiaoshuang Dai
- BGI Institute of Applied Agriculture, BGI-Shenzhen, Shenzhen, 518120, China
| | - Guohuan Xu
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, 510070, China; Guangdong Bide Biotech CO. L.T.D., Guangzhou, Guangdong, China
| | - Huabing Zhang
- Department of Biochemistry & Molecular Biology, School of Basic Medicine, Anhui Medical University, Hefei, 230032, China.
| | - Gongshe Yang
- Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China.
| | - Liwei Xie
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, 510070, China; Guangdong Bide Biotech CO. L.T.D., Guangzhou, Guangdong, China.
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20
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Wu W, Yin Y, Xu K, Peng Y, Zhang J. Knockdown of LGALS12 inhibits porcine adipocyte adipogenesis via PKA-Erk1/2 signaling pathway. Acta Biochim Biophys Sin (Shanghai) 2018; 50:960-967. [PMID: 30165571 DOI: 10.1093/abbs/gmy099] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 07/27/2018] [Indexed: 11/12/2022] Open
Abstract
Increasing intramuscular (IM) fat while concomitantly decreasing subcutaneous (SC) fat content is one major goal of pig breeding. Identifying genes involved in lipid metabolism is critical for this goal. Galectin-12 (LGALS12) has been proven to be an important regulator of fat deposition in mouse models; however, the effect and regulatory mechanisms of LGALS12 on porcine adipogenesis are still unknown. In this study, the effects of LGALS12 on fat deposition were explored with primary culture of porcine SC and IM adipocytes. Analysis of LGALS12 expression across different tissues revealed that LGALS12 was predominantly expressed in adipose tissue. The LGALS12 expression patterns across stages of adipocyte differentiation were also evaluated, with differences observed between SC and IM fat. Small interfering RNA (siRNA) of LGALS12 was designed and transfected into porcine adipocytes derived from SC and IM fat. After transfection, the expression level of LGALS12 was significantly reduced, and the number of lipid droplets was reduced in adipocytes from both SC and IM fat. Simultaneously, the levels of adipogenic markers, including PPARγ and aP2, were decreased, whereas hydrolysis markers, including adipose triglyceride lipase (ATGL) and hormone-sensitive lipase (HSL), were increased. Furthermore, the activation of lipolysis signals, such as the phosphorylation of PKA and Erk1/2, were observed with LGALS12 knockdown in terminally differentiated adipocytes from both SC and IM sources. Taken together, these results suggest that LGALS12 knockdown can inhibit adipogenesis of porcine adipocytes by downregulating lipogenic genes and activating the PKA-Erk1/2 signaling pathway.
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Affiliation(s)
- Wenjing Wu
- College of Biological and Chemical Engineering, Jiaxing University, Jiaxing, China
| | - Yajun Yin
- College of Biological and Chemical Engineering, Jiaxing University, Jiaxing, China
| | - Ke Xu
- College of Agronomy and Biotechnology, Hebei Normal University of Science and Technology, Qinhuangdao, China
| | - Yongjia Peng
- College of Biological and Chemical Engineering, Jiaxing University, Jiaxing, China
| | - Jin Zhang
- College of Biological and Chemical Engineering, Jiaxing University, Jiaxing, China
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21
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MicroRNA-106a-5p Inhibited C2C12 Myogenesis via Targeting PIK3R1 and Modulating the PI3K/AKT Signaling. Genes (Basel) 2018; 9:genes9070333. [PMID: 30004470 PMCID: PMC6070835 DOI: 10.3390/genes9070333] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Accepted: 06/28/2018] [Indexed: 12/13/2022] Open
Abstract
The microRNA (miR)-17 family is widely expressed in mammalian tissues and play important roles in various physiological and pathological processes. Here, the functions of miR-106a-5p, a member of miR-17 family, were explored during myogenic differentiation in C2C12 cell line. First, miR-106a-5p was found to be relatively lower expressed in two-month skeletal muscle tissues and gradually decreased upon myogenic stimuli. Forced expression of miR-106a-5p significantly reduced the differentiation index, fusion index as well as the expression of myogenic markers (MyoD, MyoG, MyHC, Myomixer, Myomarker). Meanwhile, the levels of phosphorylated AKT were reduced by overexpression of miR-106a-5p, and administration of insulin-like growth factor 1 (IGF1), a booster of myogenic differentiation, could recover all the inhibitory effects above of miR-106a-5p. Furthermore, miR-106a-5p was elevated in aged muscles and dexamethasone (DEX)-treated myotubes, and up-regulation of miR-106a-5p significantly reduced the diameters of myotubes accompanied with increased levels of muscular atrophy genes and decreased PI3K/AKT activities. Finally, miR-106a-5p was demonstrated to directly bind to the 3'-UTR of PIK3R1, thus, repress the PI3K/AKT signaling.
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22
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Chang CN, Kioussi C. Location, Location, Location: Signals in Muscle Specification. J Dev Biol 2018; 6:E11. [PMID: 29783715 PMCID: PMC6027348 DOI: 10.3390/jdb6020011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Revised: 05/11/2018] [Accepted: 05/15/2018] [Indexed: 12/15/2022] Open
Abstract
Muscles control body movement and locomotion, posture and body position and soft tissue support. Mesoderm derived cells gives rise to 700 unique muscles in humans as a result of well-orchestrated signaling and transcriptional networks in specific time and space. Although the anatomical structure of skeletal muscles is similar, their functions and locations are specialized. This is the result of specific signaling as the embryo grows and cells migrate to form different structures and organs. As cells progress to their next state, they suppress current sequence specific transcription factors (SSTF) and construct new networks to establish new myogenic features. In this review, we provide an overview of signaling pathways and gene regulatory networks during formation of the craniofacial, cardiac, vascular, trunk, and limb skeletal muscles.
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Affiliation(s)
- Chih-Ning Chang
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA.
- Molecular Cell Biology Graduate Program, Oregon State University, Corvallis, OR 97331, USA.
| | - Chrissa Kioussi
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, OR 97331, USA.
- Molecular Cell Biology Graduate Program, Oregon State University, Corvallis, OR 97331, USA.
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23
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Yao X, Yu T, Zhao C, Li Y, Peng Y, Xi F, Yang G. Evodiamine promotes differentiation and inhibits proliferation of C2C12 muscle cells. Int J Mol Med 2017; 41:1627-1634. [PMID: 29286060 DOI: 10.3892/ijmm.2017.3321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 10/25/2017] [Indexed: 11/06/2022] Open
Abstract
Evodiamine is a botanical alkaloid compound extracted from Tetradium plants. Previous studies have reported that evodiamine (Evo) treatment can reduce food uptake and improve insulin resistance in animals . The skeletal muscle comprises about 40% of the body mass of adults and has a vital role in regulating whole body glucose metabolism and energy metabolism. However, the effect of Evo on skeletal muscle is unclear. The main aim of the present study was to investigate the effect of Evo on the differentiation and proliferation of the mouse C2C12 muscle cell line. The results demonstrated that Evo promoted the expression of myogenic marker genes (Myogenin and muscle myosin heavy chain) and increased myoblast differentiation, potentially via activation of the Wnt/β‑catenin pathway. Furthermore, Evo increased mRNA expression of p21, reduced mRNA expression of Cyclin B, Cyclin D and Cyclin E and reduced the percentage of proliferating cells. Also, phosphorylation of ERK1/2 was decreased by Evo treatment during cell proliferation. In conclusion, these findings indicated that Evo has marked effects on skeletal muscle development.
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Affiliation(s)
- Xiangping Yao
- College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi 712100, P.R. China
| | - Taiyong Yu
- College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi 712100, P.R. China
| | - Chen Zhao
- College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi 712100, P.R. China
| | - Youlei Li
- College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi 712100, P.R. China
| | - Ying Peng
- College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi 712100, P.R. China
| | - Fengxue Xi
- College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi 712100, P.R. China
| | - Gongshe Yang
- College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi 712100, P.R. China
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24
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Bai L, Chu G, Wang W, Xiang A, Yang G. BAMBI promotes porcine granulosa cell steroidogenesis involving TGF-β signaling. Theriogenology 2017; 100:24-31. [DOI: 10.1016/j.theriogenology.2017.05.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Revised: 05/24/2017] [Accepted: 05/24/2017] [Indexed: 12/01/2022]
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25
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Li H, Ma Y, Xu W, Chen H, Day L. MFG-E8 protein promotes C2C12myogenic differentiation by enhancing PI3K/Akt signaling. NEW J CHEM 2017. [DOI: 10.1039/c7nj02216f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The effect of MFG-E8 on C2C12cell differentiation was analysed by immunocytochemistry, qRT-PCR and Western blot.
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Affiliation(s)
- He Li
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Ying Ma
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Weili Xu
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Haoran Chen
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
| | - Li Day
- School of Chemistry and Chemical Engineering
- Harbin Institute of Technology
- Harbin 150090
- P. R. China
- AgResearch Limited
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26
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Li W, Liu H, Liu P, Yin D, Zhang S, Zhao J. Sphingosylphosphorylcholine promotes the differentiation of resident Sca-1 positive cardiac stem cells to cardiomyocytes through lipid raft/JNK/STAT3 and β-catenin signaling pathways. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:1579-88. [DOI: 10.1016/j.bbamcr.2016.04.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 03/24/2016] [Accepted: 04/07/2016] [Indexed: 12/12/2022]
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27
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Poosala P, Ichinose H, Kitaoka T. Spatial Geometries of Self-Assembled Chitohexaose Monolayers Regulate Myoblast Fusion. Int J Mol Sci 2016; 17:ijms17050686. [PMID: 27164094 PMCID: PMC4881512 DOI: 10.3390/ijms17050686] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 04/28/2016] [Accepted: 05/03/2016] [Indexed: 01/31/2023] Open
Abstract
Myoblast fusion into functionally-distinct myotubes to form in vitro skeletal muscle constructs under differentiation serum-free conditions still remains a challenge. Herein, we report that our microtopographical carbohydrate substrates composed of bioactive hexa-N-acetyl-d-glucosamine (GlcNAc6) modulated the efficiency of myoblast fusion without requiring horse serum or any differentiation medium during cell culture. Promotion of the differentiation of dissociated mononucleated skeletal myoblasts (C2C12; a mouse myoblast cell line) into robust myotubes was found only on GlcNAc6 micropatterns, whereas the myoblasts on control, non-patterned GlcNAc6 substrates or GlcNAc6-free patterns exhibited an undifferentiated form. We also examined the possible role of GlcNAc6 micropatterns with various widths in the behavior of C2C12 cells in early and late stages of myogenesis through mRNA expression of myosin heavy chain (MyHC) isoforms. The spontaneous contraction of myotubes was investigated via the regulation of glucose transporter type 4 (GLUT4), which is involved in stimulating glucose uptake during cellular contraction. Narrow patterns demonstrated enhanced glucose uptake rate and generated a fast-twitch muscle fiber type, whereas the slow-twitch muscle fiber type was dominant on wider patterns. Our findings indicated that GlcNAc6-mediated integrin interactions are responsible for guiding myoblast fusion forward along with myotube formation.
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Affiliation(s)
- Pornthida Poosala
- Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 6-10-1, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan.
| | - Hirofumi Ichinose
- Faculty of Agriculture, Kyushu University, 6-10-1, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan.
| | - Takuya Kitaoka
- Faculty of Agriculture, Kyushu University, 6-10-1, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan.
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