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Abstract

Introduction: Uterine leiomyoma is the most widespread benign tumor affecting women of childbearing age. There are still gaps in the understanding of its pathogenesiss. Telocytes are unique cells described in greater than 50 different locations inside the human body. The functional relationship of cells could clarify the pathogenesis of leiomyomata. In the current study, we focused on the identification of telocytes in all regions of the human uterus to explain their involvement in leiomyoma development.

Materials and Methods: Tissue samples from a healthy and myomatous uterus were stained for c-kit, tryptase, CD34 and PDGFRα to identify telocytes. Routine histology was performed to analyze tissue morphology and collagen deposits.

Results: Telocytes were detected in the cervix, corpus of the uterus and leiomyoma. The density of telocytes in fibroid foci was reduced compared with normal myometrium.

Conclusions: Our results demonstrated the existence of telocytes in all parts of the human body affected and unaff ected by leiomyoma of the uterus. In addition, telocytes were also present in leiomyoma foci. Our results suggest that the reduced density of telocytes is important for the pathomechanisms of myometrial growth, demonstrating its value as a main component of the myomatous architecture.

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Authors and Affiliations

Veronika Aleksandrovych
Magdalena Białas
Artur Pasternak
Tomasz Bereza
Marek Sajewicz
Jerzy Walocha
Krzysztof Gil
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Abstract

Telocyte (TC) is an interstitial cell type with a small cellular body and extremely long tentacle-like extensions. TCs were discovered a decade ago and have specific morphological characteristics, immunohistochemical and secretome profi les, electrophysiological properties, microRNA expression. Moreover, they are different in gene expression from other cells. TCs play an important role in plenty of processes. Apparently, they are involved in homeostasis, remodelling, regeneration, repair, embryogenesis, angiogenesis and even tumorigenesis. “Telocytes need the world”, was emphasized by Professor Popescu and it will be actual at any time. This review summarizes particular features of TCs in different organs and systems, emphasizing their involvement in physiological and pathophysiological processes.

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Authors and Affiliations

Veronika Aleksandrovych
Artur Pasternak
Paweł Basta
Marek Sajewicz
Jerzy A. Walocha
Krzysztof Gil

Authors and Affiliations

Bernard Solewski
Tomasz Bereza
Veronika Aleksandrovych
Marek Sajewicz
Monika Konarska
Anna Natalia Wrona
Kinga Komnata
Aleksandra Maleszka
Paweł Depukat
Łukasz Warchoł

Authors and Affiliations

Maciej Lis
Bernard Solewski
Tomasz Bereza
Veronika Aleksandrovych
Marek Sajewicz
Monika Konarska
Anna Natalia Wrona
Barbara Gach-Kuniewicz
Kinga Komnata
Mateusz Paziewski
Aleksandra Maleszka
Paweł Depukat
Łukasz Warchoł

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