کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5505787 | 1400278 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Efficient direct conversion of human fibroblasts into myogenic lineage induced by co-transduction with MYCL and MYOD1
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
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![عکس صفحه اول مقاله: Efficient direct conversion of human fibroblasts into myogenic lineage induced by co-transduction with MYCL and MYOD1 Efficient direct conversion of human fibroblasts into myogenic lineage induced by co-transduction with MYCL and MYOD1](/preview/png/5505787.png)
چکیده انگلیسی
The skeletal muscle consists of contractile myofibers and plays essential roles for maintenance of body posture, movement, and metabolic regulation. During the development and regeneration of the skeletal muscle tissue, the myoblasts fuse into multinucleated myotubes that subsequently form myofibers. Transplantation of myoblasts may make possible a novel regenerative therapy against defects or dysfunction of the skeletal muscle. It is reported that rodent fibroblasts are converted into myoblast-like cells and fuse to form syncytium after forced expression of exogenous myogenic differentiation 1 (MYOD1) that is a key transcription factor for myoblast differentiation. But human fibroblasts are less efficiently converted into myoblasts and rarely fused by MYOD1 alone. Here we found that transduction of v-myc avian myelocytomatosis viral oncogene lung carcinoma derived homolog (MYCL) gene in combination with MYOD1 gene induced myoblast-like phenotypes in human fibroblasts more strongly than MYOD1 gene alone. The rate of conversion was approximately 90%. The directly converted myoblasts (dMBs) underwent fusion in an ERK5 pathway-dependent manner. The dMBs also formed myofiber-like structure in vivo after an inoculation into mice at the subcutaneous tissue. The present results strongly suggest that the combination of MYCL plus MYOD1 may promote direct conversion of human fibroblasts into functional myoblasts that could potentially be used for regenerative therapy for muscle diseases and congenital muscle defects.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Biochemical and Biophysical Research Communications - Volume 488, Issue 2, 24 June 2017, Pages 368-373
Journal: Biochemical and Biophysical Research Communications - Volume 488, Issue 2, 24 June 2017, Pages 368-373
نویسندگان
Junko Wakao, Tsunao Kishida, Shigehisa Fumino, Koseki Kimura, Kenta Yamamoto, Shin-ichiro Kotani, Katsura Mizushima, Yuji Naito, Toshikazu Yoshikawa, Tatsuro Tajiri, Osam Mazda,