Original contributionh-Caldesmon in leiomyosarcoma and tumors with smooth muscle cell-like differentiation: Its specific expression in the smooth muscle cell tumor
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2019, Journal of Oral and Maxillofacial Surgery, Medicine, and PathologyCitation Excerpt :H-Caldesmon is a protein that has been thought to be expressed exclusively in vascular and visceral smooth-muscle cells (SMC). H-Caldesmon demonstrated to be a specific marker of both SMC and its neoplasms, and it may facilitate the differential diagnosis between lesions of smooth muscle and other tumors with SMC-like differentiation, including myofibroblastic tumors [12]. In the present case, h-Caldesmon presented a negative reaction, which may confirm the pericytic nature in the case related.
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2016, American Journal of Human GeneticsCitation Excerpt :Given that known genetic vascular malformations are often caused by deficiencies in vSMC function, VMOS tissue was stained with markers of mature vSMCs.8 Smooth muscle actin (SMA) expression showed the presence of a thin smooth muscle layer in malformed vessels (Figure 4E); however, desmin (Figures 4F and 4G) and h-caldesmon (Figures 4H and 4I) were absent—both proteins are considered markers for mature vSMCs.39–41 Similarly, myofibroblast-like desmin negativity in the mural layer of periorbital intraosseous vascular malformations has also been reported.42
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