Brief reviewStem Cells in Adult Skeletal Muscle
Section snippets
Muscle Hematopoietic Potential Cells and Muscle Regeneration
Goodell et al. (1996) were the first to demonstrate that HSCs in bone marrow from many different species can be purified by fluorescence-activated cell sorting (FACS) of side population (SP) cells. The SP fraction of cells excludes Hoechst 33342 dye through the activity at the cell surface of multidrug resistance-like proteins such as BCRP1/ABCG2 Zhou et al. 2001, Zhou et al. 2002. Gussoni et al. (1999) then showed that these bone marrow SP cells have the capacity to contribute to skeletal
Other Stem Cells in Muscle
During development, it is conceivable that the vascular-associated progenitors of myogenic satellite cells, termed meso-angioblasts in the embryo by De Angelis, Minasi and colleagues, persist in close association with the vasculature as adult stem cells in skeletal muscle De Angelis et al. 1999, Minasi et al. 2002. In addition, connective tissues in skeletal muscle have been reported to contain mesenchymal progenitor cells (Young et al. 2001). Recently, several groups have isolated a
Future Directions
Induction of myogenic specification of stem cells in muscle may involve one or more mechanisms, including secreted factor(s), extracellular matrix, and cell–cell interactions. The molecular mechanism of myogenic specification of these stem cells will be elucidated by combining information from in vitro culture systems and different animal systems, including genetic analysis afforded by gene knockout experiments. Undoubtedly, muscle possesses multiple stem cell populations, for which
Acknowledgements
The author would like to thank M.A. Rudnicki, J. Ishibashi, and S. Morita for critical reading of the manuscript. This work was supported by a development grant from the Muscular Dystrophy Association to A.A.
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Cited by (95)
Effect of mesenchymal stem cells on induced skeletal muscle chemodenervation atrophy in adult male albino rats
2017, International Journal of Biochemistry and Cell BiologyCitation Excerpt :In the BM-MSC treated group, CD34 stained sections showed multiple positive CD34 spindle shaped cells at the periphery of the muscle fiber. Asakura (2003) mentioned that the ability of implanted stem cells to replenish the satellite cell compartment may ensure long term efficacy by restoring the regeneration potential necessary for muscle tissue homeostasis and repair. This result was in agreement also with LaBarge and Blau (2002) who suggested that MSCs homed to injured muscle, first forming satellite cells then fusing to form mature myofibres.
Notch1-mediated signaling regulates proliferation of porcine satellite cells (PSCs)
2013, Cellular SignallingCitation Excerpt :Residing between the basal lamina and plasma membrane of mature skeletal muscle fibers and mononucleated [4], satellite cells are a major source of progenitors in postnatal muscle [5–8]. Numerous previous studies have shown that satellite cells play an important role in supporting postnatal muscle growth and regeneration of myogenic tissues after muscle injury [9–11]. All quiescent satellite cells express the paired-box transcription factor Pax7 [8] and a majority of them express CD34 and M-Cadherin [12].
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