Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane Repair

Fer1L5 is a dysferlin and myoferlin related protein, which has been predicted to have a role in vesicle trafficking and muscle membrane fusion events. Mutations in dysferlin and otoferlin genes cause heredity diseases: muscular dystrophy and deafness in humans, respectively. Dysferlin is implicated...

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Main Authors: R. Usha Kalyani, K. Perinbam, P. Jeyanthi, Naif Abdullah Al-Dhabi, Mariadhas Valan Arasu, Galal Ali Esmail, Young Ock Kim, Hyungsuk Kim, Hak-Jae Kim
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Biology
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Online Access:https://www.mdpi.com/2079-7737/9/11/386
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author R. Usha Kalyani
K. Perinbam
P. Jeyanthi
Naif Abdullah Al-Dhabi
Mariadhas Valan Arasu
Galal Ali Esmail
Young Ock Kim
Hyungsuk Kim
Hak-Jae Kim
author_facet R. Usha Kalyani
K. Perinbam
P. Jeyanthi
Naif Abdullah Al-Dhabi
Mariadhas Valan Arasu
Galal Ali Esmail
Young Ock Kim
Hyungsuk Kim
Hak-Jae Kim
author_sort R. Usha Kalyani
collection DOAJ
description Fer1L5 is a dysferlin and myoferlin related protein, which has been predicted to have a role in vesicle trafficking and muscle membrane fusion events. Mutations in dysferlin and otoferlin genes cause heredity diseases: muscular dystrophy and deafness in humans, respectively. Dysferlin is implicated in membrane repair. Myoferlin has a role in myogenesis. In this study, we investigated the role of the Fer1L5 protein during myoblast fusion and membrane repair. To study the functions of Fer1L5 we used confocal microscopy, biochemical fractionation, Western blot analysis and multiphoton laser wounding assay. By immunolabelling, Fer1L5 was detected in vesicular structures. By biochemical fractionation Fer1L5 was observed in low density vesicles. Our studies show that the membranes of Fer1L5 vesicles are non-resistant to non-ionic detergent. Partial co-staining of Fer1L5 with other two ferlin vesicles, respectively, was observed. Fer1L5 expression was highly detected at the fusion sites of two apposed C2C12 myoblast membranes and its expression level gradually increased at D2 and reached a maximum at day 4 before decreasing during further differentiation. Our studies showed that Fer1L5 has fusion defects during myoblast fusion and impaired membrane repair when the C2C12 cultures were incubated with inhibitory Fer1L5 antibodies. In C2C12 cells Fer1L5 vesicles are involved in two stages, the fusion of myoblasts and the formation of large myotubes. Fer1L5 also plays a role in membrane repair.
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spelling doaj.art-17a3b5cdca734c3a946c700947ad92542023-11-20T20:13:57ZengMDPI AGBiology2079-77372020-11-0191138610.3390/biology9110386Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane RepairR. Usha Kalyani0K. Perinbam1P. Jeyanthi2Naif Abdullah Al-Dhabi3Mariadhas Valan Arasu4Galal Ali Esmail5Young Ock Kim6Hyungsuk Kim7Hak-Jae Kim8PG and Research Department of Botany, Government Arts College for Men (Autonomous), Affiliated to Univerity of Madras, Chennai 600035, IndiaPG and Research Department of Botany, Government Arts College for Men (Autonomous), Affiliated to Univerity of Madras, Chennai 600035, IndiaSathyabama Institute of Science and Technology, Chennai 600119, IndiaDepartment of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi ArabiaDepartment of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi ArabiaDepartment of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi ArabiaDepartment of Clinical Pharmacology, College of Medicine, Soonchunhyang University, Cheonan 31538, KoreaDepartment of Rehabilitation Medicine of Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, KoreaDepartment of Clinical Pharmacology, College of Medicine, Soonchunhyang University, Cheonan 31538, KoreaFer1L5 is a dysferlin and myoferlin related protein, which has been predicted to have a role in vesicle trafficking and muscle membrane fusion events. Mutations in dysferlin and otoferlin genes cause heredity diseases: muscular dystrophy and deafness in humans, respectively. Dysferlin is implicated in membrane repair. Myoferlin has a role in myogenesis. In this study, we investigated the role of the Fer1L5 protein during myoblast fusion and membrane repair. To study the functions of Fer1L5 we used confocal microscopy, biochemical fractionation, Western blot analysis and multiphoton laser wounding assay. By immunolabelling, Fer1L5 was detected in vesicular structures. By biochemical fractionation Fer1L5 was observed in low density vesicles. Our studies show that the membranes of Fer1L5 vesicles are non-resistant to non-ionic detergent. Partial co-staining of Fer1L5 with other two ferlin vesicles, respectively, was observed. Fer1L5 expression was highly detected at the fusion sites of two apposed C2C12 myoblast membranes and its expression level gradually increased at D2 and reached a maximum at day 4 before decreasing during further differentiation. Our studies showed that Fer1L5 has fusion defects during myoblast fusion and impaired membrane repair when the C2C12 cultures were incubated with inhibitory Fer1L5 antibodies. In C2C12 cells Fer1L5 vesicles are involved in two stages, the fusion of myoblasts and the formation of large myotubes. Fer1L5 also plays a role in membrane repair.https://www.mdpi.com/2079-7737/9/11/386Fer1L5dysferlinmyoferlinvesiclesmyoblast fusionmembrane repair
spellingShingle R. Usha Kalyani
K. Perinbam
P. Jeyanthi
Naif Abdullah Al-Dhabi
Mariadhas Valan Arasu
Galal Ali Esmail
Young Ock Kim
Hyungsuk Kim
Hak-Jae Kim
Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane Repair
Biology
Fer1L5
dysferlin
myoferlin
vesicles
myoblast fusion
membrane repair
title Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane Repair
title_full Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane Repair
title_fullStr Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane Repair
title_full_unstemmed Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane Repair
title_short Fer1L5, a Dysferlin Homologue Present in Vesicles and Involved in C2C12 Myoblast Fusion and Membrane Repair
title_sort fer1l5 a dysferlin homologue present in vesicles and involved in c2c12 myoblast fusion and membrane repair
topic Fer1L5
dysferlin
myoferlin
vesicles
myoblast fusion
membrane repair
url https://www.mdpi.com/2079-7737/9/11/386
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