ArticleMedical molecular morphology2016
Upregulation of TGF-β1 and basic FGF in elastofibroma: an immunohistochemical analysis.
Article in Medical molecular morphology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Rare rectal elastofibroma: diagnostic challenges and case report.Discover oncology · 2025Article
- Increased Occurrence of Cutaneous Leiomyomas and Dermatofibromas in Patients with Uterine Leiomyomas without Fumarate Hydratase Gene Mutations.Dermatopathology (Basel, Switzerland) · 2023Article
- Elastofibroma dorsi: Clinical evaluation of 61 cases and review of the literature.Acta orthopaedica et traumatologica turcica · 2017Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Elastofibroma is a rare tumour that occurs in the subscapular space, and it typically presents in middle-aged and older individuals. The aetiology of elastofibroma remains unknown. Recent, sporadic reports have shown, immunohistologically, that fibroblasts in elastofibroma may produce abnormal elastic and collagen fibres through the action of transforming growth factor-beta (TGF-β), a factor that promotes fibroblast proliferation. However, that finding lacked quantitative measurements and controls. Therefore, in this study, we performed quantitative, immunohistochemical analyses of TGF-β1 and basic fibroblast growth factor (bFGF) in three elastofibromas, and we compared them to ten dermatofibromas and keloids, and five normal skin. In elastofibroma specimens, 16-59 % fibroblasts were positive for TGF-β1 in the cytoplasm, compared to 96 % in dermatofibroma, 93 % in keloid and 2 % in normal dermis specimens. Also, in elastofibroma specimens, 26-67 % of fibroblasts were positive for bFGF in the cytoplasm, compared to 97 % in dermatofibroma, 97 % in keloid, and 22 % in normal dermis specimens. Intriguingly, the tumour size and growth rate were proportional to the percentage of cells positive for bFGF. Finally, greater levels of bFGF expressions in fibroblasts were associated with larger sized elastofibromas. These results suggested that elastofibroma development depended on high expression of TGF-β1 and bFGF.
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