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Platelet-derived growth factor receptor-β-positive telocytes in skeletal muscle interstitium.

Suciu LC, Popescu BO, Kostin S, Popescu LM - J. Cell. Mol. Med. (2012)

Bottom Line: We found that in human skeletal muscle TCs were constantly located around intermediate and small blood vessels and endomysial capillaries.Telocytes were constantly located in the perivascular or pericapillary space, as confirmed by double staining of c-kit/CD31, PDGFR-β/CD31 and PDGFR-β/α-smooth muscle actin, respectively.Laminin labelling showed that TCs are not enclosed or surrounded by a basal lamina in contrast to mural cells.

View Article: PubMed Central - PubMed

Affiliation: Department of Cellular and Molecular Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.

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Human skeletal muscle; laser scanning confocal microscopy; volume reconstruction. Double immunofluorescence labelling shows co-localization (A) for CD117/c-kit (B, red) and VEGF (C, green) in endomysial interstitial cells nuclei are counterstained with 4′,6-diamidino-2-phenylindole (blue). Original magnification: 600×.
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fig02: Human skeletal muscle; laser scanning confocal microscopy; volume reconstruction. Double immunofluorescence labelling shows co-localization (A) for CD117/c-kit (B, red) and VEGF (C, green) in endomysial interstitial cells nuclei are counterstained with 4′,6-diamidino-2-phenylindole (blue). Original magnification: 600×.

Mentions: We show here, based on in situ double immunolabelling, the presence of c-kit-positive TCs in skeletal muscle, surrounding small blood vessels marked by the endothelial marker CD31 (Fig. 1A), or located in the vicinity of endomysial capillaries (Fig. 1A and B), results confirmed by electron microscopy (Fig. 1C). As shown previously, perivascular TCs synthesize VEGF (Fig. 2).


Platelet-derived growth factor receptor-β-positive telocytes in skeletal muscle interstitium.

Suciu LC, Popescu BO, Kostin S, Popescu LM - J. Cell. Mol. Med. (2012)

Human skeletal muscle; laser scanning confocal microscopy; volume reconstruction. Double immunofluorescence labelling shows co-localization (A) for CD117/c-kit (B, red) and VEGF (C, green) in endomysial interstitial cells nuclei are counterstained with 4′,6-diamidino-2-phenylindole (blue). Original magnification: 600×.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3822841&req=5

fig02: Human skeletal muscle; laser scanning confocal microscopy; volume reconstruction. Double immunofluorescence labelling shows co-localization (A) for CD117/c-kit (B, red) and VEGF (C, green) in endomysial interstitial cells nuclei are counterstained with 4′,6-diamidino-2-phenylindole (blue). Original magnification: 600×.
Mentions: We show here, based on in situ double immunolabelling, the presence of c-kit-positive TCs in skeletal muscle, surrounding small blood vessels marked by the endothelial marker CD31 (Fig. 1A), or located in the vicinity of endomysial capillaries (Fig. 1A and B), results confirmed by electron microscopy (Fig. 1C). As shown previously, perivascular TCs synthesize VEGF (Fig. 2).

Bottom Line: We found that in human skeletal muscle TCs were constantly located around intermediate and small blood vessels and endomysial capillaries.Telocytes were constantly located in the perivascular or pericapillary space, as confirmed by double staining of c-kit/CD31, PDGFR-β/CD31 and PDGFR-β/α-smooth muscle actin, respectively.Laminin labelling showed that TCs are not enclosed or surrounded by a basal lamina in contrast to mural cells.

View Article: PubMed Central - PubMed

Affiliation: Department of Cellular and Molecular Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.

Show MeSH
Related in: MedlinePlus