Skip to main content

The Cutaneous Telocytes

  • Chapter
  • First Online:
Telocytes

Part of the book series: Advances in Experimental Medicine and Biology ((AEMB,volume 913))

Abstract

Telocytes (TCs) are interstitial cells found in stroma of many organs, including the skin dermis. Ultrastructurally, normal skin TCs recapitulates all the previously documented features in interstitum of other organs. Their (ultra)structural hallmark is the presence of particular shaped cellular prolongations (termed telopodes), along other features as cellular organelles representation and their distribution within cell body and its prolongations. Transmission electron microscopy (TEM) or high magnification light microscopy indicated that the particular shape of telopodes alternate characteristically thin segments (termed podomeres) and dilated segments (called podoms). A new and powerful technique, focused ion beam scanning electron microscopy (FIB-SEM), indicated that, ultrastructurally, telopodes could be either irregular ribbon-like structures, or uneven tubular-like structures. TEM images shown that podoms consists mitochondria, elements of endoplasmic reticulum and caveolae. Immunohisochemical studies on skin TCs revealed their positive expression for CD34 and PDGFRα, but for vimentin and c-kit, also. In normal dermis, TCs are involved in junctions, either homocellular (TCs-TCs), or heterocellular (TCs - other type of cells). The junctional attribute of TCs underlies their ability of forming a 3D network within dermis. Beyond the physical interactions, the connections between TCs and other cells could be also chemical, by paracrine secretion via shed vesicles as ultrastructural studies demonstrated. In normal dermis, TCs were found distributed in particular spatial relationships with other interstitial structures and/or cells: vascular structures, nerves, skin adnexa, stem cells and immune reactive cells.

To date, the study of TCs was approached into two pathologic conditions: systemic sclerosis and psoriasis. In both diseases, the normal ultrastructure of TCs and also their distribution were shown to be altered. Moreover, the pattern of TCs ultrastructural changes differs in systemic sclerosis (cytoplasmic vacuolization, swollen mitochondria, lipofuscin bodies) from those appeared in psoriasis, characterized by important dystrophic changes (telopodes fragmentation, cytoplasmic disintegration, apoptotic nuclei, nuclear extrusions). Furthermore, in psoriasis, the lesional remission is (ultra)structurally displaying a recovery of dermal TCs at values similar to normal.

Considering TCs ultrastructural features, their connections and spatiality in normal dermis and also their pathologic changes, TCs are credited with roles in skin homeostasis and/or pathogeny of dermatological disorders. In our opinion, further researches should be focused on identifying a specific marker for TCs and also on comprehending the pattern of their response in different dermatoses.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

Chapter
USD 29.95
Price excludes VAT (USA)
  • Available as PDF
  • Read on any device
  • Instant download
  • Own it forever
eBook
USD 139.00
Price excludes VAT (USA)
  • Available as EPUB and PDF
  • Read on any device
  • Instant download
  • Own it forever
Softcover Book
USD 179.99
Price excludes VAT (USA)
  • Compact, lightweight edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info
Hardcover Book
USD 249.99
Price excludes VAT (USA)
  • Durable hardcover edition
  • Dispatched in 3 to 5 business days
  • Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

References

  1. Alunno A, Ibba-Manneschi L, Bistoni O, Rosa I, Caterbi S, Gerli R, Manetti M. Telocytes in minor salivary glands of primary Sjögren’s syndrome: association with the extent of inflammation and ectopic lymphoid neogenesis. J Cell Mol Med. 2015;19(7):1689–96.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  2. Bergers G, Song S. The role of pericytes in blood-vessel formation and maintenance. Neuro Oncol. 2005;7(4):452–64.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  3. Bojin FM, Gavriliuc OI, Cristea MI, Tanasie G, Tatu CS, Panaitescu C, Paunescu V. Telocytes within human skeletal muscle stem cell niche. J Cell Mol Med. 2011;15(10):2269–72.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  4. Cantarero Carmona I, Luesma Bartolomé MJ, Junquera Escribano C. Identification of telocytes in the lamina propria of rat duodenum: transmission electron microscopy. J Cell Mol Med. 2011;15(1):26–30.

    Article  CAS  PubMed  Google Scholar 

  5. Cantarero I, Luesma MJ, Alvarez-Dotu JM, Muñoz E, Junquera C. Transmission electron microscopy as key technique for the characterization of telocytes. Curr Stem Cell Res Ther. 2016;11(5):410–4.

    Google Scholar 

  6. Cantarero I, Luesma MJ, Junquera C. The primary cilium of telocytes in the vasculature: electron microscope imaging. J Cell Mol Med. 2011;15(12):2594–600.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  7. Ceafalan L, Gherghiceanu M, Popescu LM, Simionescu O. Telocytes in human skin – are they involved in skin regeneration? J Cell Mol Med. 2012;16(7):1405–20.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  8. Chang Y, Li C, Gan L, Li H, Guo Z. Telocytes in the Spleen. PLoS One. 2015;10(9):e0138851.

    Article  PubMed  PubMed Central  Google Scholar 

  9. Chang Y, Li C, Lu Z, Li H, Guo Z. Multiple immunophenotypes of cardiac telocytes. Exp Cell Res. 2015;338(2):239–44.

    Article  CAS  PubMed  Google Scholar 

  10. Chen X, Zheng Y, Manole CG, Wang X, Wang Q. Telocytes in human oesophagus. J Cell Mol Med. 2013;17(11):1506–12.

    Article  PubMed  PubMed Central  Google Scholar 

  11. Corradi LS, Jesus MM, Fochi RA, Vilamaior PS, Justulin Jr LA, Góes RM, Felisbino SL, Taboga SR. Structural and ultrastructural evidence for telocytes in prostate stroma. J Cell Mol Med. 2013;17(3):398–406.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  12. Cretoiu D, Cretoiu SM, Simionescu AA, Popescu LM. Telocytes, a distinct type of cell among the stromal cells present in the lamina propria of jejunum. Histol Histopathol. 2012;27(8):1067–78.

    CAS  PubMed  Google Scholar 

  13. Cretoiu D, Gherghiceanu M, Hummel E, Zimmermann H, Simionescu O, Popescu LM. FIB-SEM tomography of human skin telocytes and their extracellular vesicles. J Cell Mol Med. 2015;19(4):714–22.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  14. Cretoiu SM, Cretoiu D, Marin A, Radu BM, Popescu LM. Telocytes: ultrastructural, immunohistochemical and electrophysiological characteristics in human myometrium. Reproduction. 2013;145(4):357–70.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  15. Creţoiu SM, Creţoiu D, Popescu LM. Human myometrium – the ultrastructural 3D network of telocytes. J Cell Mol Med. 2012;16(11):2844–9.

    Article  PubMed  PubMed Central  Google Scholar 

  16. Dawidowicz J, Szotek S, Matysiak N, Mielańczyk Ł, Maksymowicz K. Electron microscopy of human fascia lata: focus on telocytes. J Cell Mol Med. 2015;19(10):2500–6.

    Article  PubMed  PubMed Central  Google Scholar 

  17. Díaz-Flores L, Gutiérrez R, Sáez FJ, Díaz-Flores Jr L, Madrid JF. Telocytes in neuromuscular spindles. J Cell Mol Med. 2013;17(4):457–65.

    Article  PubMed  PubMed Central  Google Scholar 

  18. Ehrlich HP, Allison GM, Leggett M. The myofibroblast, cadherin, alpha smooth muscle actin and the collagen effect. Cell Biochem Funct. 2006;24(1):63–70.

    Article  CAS  PubMed  Google Scholar 

  19. Faussone Pellegrini MS, Popescu LM. Telocytes. Biomol Concepts. 2011;2(6):481–9.

    PubMed  Google Scholar 

  20. Franke WW, Rickelt S, Barth M, Pieperhoff S. The junctions that don’t fit the scheme: special symmetrical cell-cell junctions of their own kind. Cell Tissue Res. 2009;338(1):1–17.

    Article  PubMed  PubMed Central  Google Scholar 

  21. Galiger C, Kostin S, Golec A, Ahlbrecht K, Becker S, Gherghiceanu M, Popescu LM, Morty RE, Seeger W, Voswinckel R. Phenotypical and ultrastructural features of Oct4-positive cells in the adult mouse lung. J Cell Mol Med. 2014;18(7):1321–33.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  22. Gevaert T, De Vos R, Van Der Aa F, Joniau S, van den Oord J, Roskams T, De Ridder D. Identification of telocytes in the upper lamina propria of the human urinary tract. J Cell Mol Med. 2012;16(9):2085–93.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  23. Gherghiceanu M, Manole CG, Popescu LM. Telocytes in endocardium: electron microscope evidence. J Cell Mol Med. 2010;14(9):2330–4.

    Article  PubMed  PubMed Central  Google Scholar 

  24. Gherghiceanu M, Popescu LM. Cardiac telocytes – their junctions and functional implications. Cell Tissue Res. 2012;348(2):265–79.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  25. Gherghiceanu M, Popescu LM. Cardiomyocyte precursors and telocytes in epicardial stem cell niche: electron microscope images. J Cell Mol Med. 2010;14(4):871–7.

    Article  PubMed  PubMed Central  Google Scholar 

  26. Hauswirth AW, Florian S, Schernthaner GH, Krauth MT, Sonneck K, Sperr WR, Valent P. Expression of cell surface antigens on mast cells: mast cell phenotyping. Methods Mol Biol. 2006;315:77–90.

    PubMed  Google Scholar 

  27. Hinescu ME, Gherghiceanu M, Suciu L, Popescu LM. Telocytes in pleura: two- and three-dimensional imaging by transmission electron microscopy. Cell Tissue Res. 2011;343(2):389–97.

    Article  PubMed  Google Scholar 

  28. Jackson DE. The unfolding tale of PECAM-1. FEBS Lett. 2003;540(1–3):7–14.

    Article  CAS  PubMed  Google Scholar 

  29. Kang Y, Zhu Z, Zheng Y, Wan W, Manole CG, Zhang Q. Skin telocytes versus fibroblasts: two distinct dermal cell populations. J Cell Mol Med. 2015;19(11):2530–9.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  30. Kostin S. Myocardial telocytes: a specific new cellular entity. J Cell Mol Med. 2010;14(7):1917–21.

    Article  PubMed  PubMed Central  Google Scholar 

  31. Krustrup D, Rossen K, Thomsen HK. Procollagen 1 – a marker of fibroblastic and fibrohistiocytic skin tumors. J Cutan Pathol. 2006;33(9):614–8.

    Article  PubMed  Google Scholar 

  32. Li H, Lu S, Liu H, Ge J, Zhang H. Scanning electron microscope evidence of telocytes in vasculature. J Cell Mol Med. 2014;18(7):1486–9.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  33. Li H, Zhang H, Yang L, Lu S, Ge J. Telocytes in mice bone marrow: electron microscope evidence. J Cell Mol Med. 2014;18(6):975–8.

    Article  PubMed  PubMed Central  Google Scholar 

  34. Li L, Lin M, Li L, Wang R, Zhang C, Qi G, Xu M, Rong R, Zhu T. Renal telocytes contribute to the repair of ischemically injured renal tubules. J Cell Mol Med. 2014;18(6):1144–56.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  35. Luesma MJ, Gherghiceanu M, Popescu LM. Telocytes and stem cells in limbus and uvea of mouse eye. J Cell Mol Med. 2013;17(8):1016–24.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  36. Manetti M, Guiducci S, Ruffo M, Rosa I, Faussone-Pellegrini MS, Matucci-Cerinic M, Ibba-Manneschi L. Evidence for progressive reduction and loss of telocytes in the dermal cellular network of systemic sclerosis. J Cell Mol Med. 2013;17(4):482–96.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  37. Manole CG, Gherghiceanu M, Simionescu O. Telocyte dynamics in psoriasis. J Cell Mol Med. 2015;19(7):1504–19.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  38. Matyja A, Gil K, Pasternak A, Sztefko K, Gajda M, Tomaszewski KA, Matyja M, Walocha JA, Kulig J, Thor P. Telocytes: new insight into the pathogenesis of gallstone disease. J Cell Mol Med. 2013;17(6):734–42.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  39. Mihalcea CE, Moroşanu AM, Murăraşu D, Puiu L, Cinca S, Voinea SC, Mirancea N. Particular molecular and ultrastructural aspects in invasive mammary carcinoma. Rom J Morphol Embryol. 2015;56(4):1371–81.

    PubMed  Google Scholar 

  40. Misharin AV, Morales-Nebreda L, Mutlu GM, Budinger GR, Perlman H. Flow cytometric analysis of macrophages and dendritic cell subsets in the mouse lung. Am J Respir Cell Mol Biol. 2013;49(4):503–10.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  41. Mou Y, Wang Y, Li J, Lü S, Duan C, Du Z, Yang G, Chen W, Zhao S, Zhou J, Wang C. Immunohistochemical characterization and functional identification of mammary gland telocytes in the self-assembly of reconstituted breast cancer tissue in vitro. J Cell Mol Med. 2013;17(1):65–75.

    Article  CAS  PubMed  Google Scholar 

  42. Nakagawa S, Miki Y, Miyashita M, Hata S, Takahashi Y, Rai Y, Sagara Y, Ohi Y, Hirakawa H, Tamaki K, Ishida T, Watanabe M, Suzuki T, Ohuchi N, Sasano H. Tumor microenvironment in invasive lobular carcinoma: possible therapeutic targets. Breast Cancer Res Treat. 2016;155(1):65–75.

    Article  CAS  PubMed  Google Scholar 

  43. Nicolescu MI, Bucur A, Dinca O, Rusu MC, Popescu LM. Telocytes in parotid glands. Anat Rec (Hoboken). 2012;295(3):378–85.

    Article  Google Scholar 

  44. Nicolescu MI, Popescu LM. Telocytes in the interstitium of human exocrine pancreas: ultrastructural evidence. Pancreas. 2012;41(6):949–56.

    Article  PubMed  Google Scholar 

  45. Padhi S, Sarangi R, Mallick S. Pancreatic extragastrointestinal stromal tumors, interstitial Cajal like cells, and telocytes. JOP. 2013;14(1):1–14.

    PubMed  Google Scholar 

  46. Lui PPY. Markers for the identification of tendon-derived stem cells in vitro and tendon stem cells in situ – update and future development. Stem Cell Res Ther. 2015;6:106.

    Article  PubMed  PubMed Central  Google Scholar 

  47. Petre N, Rusu MC, Pop F, Jianu AM. Telocytes of the mammary gland stroma. Folia Morphol (Warsz). 2015. doi:10.5603/FM.a2015.0123.

    Google Scholar 

  48. Popescu BO, Gherghiceanu M, Kostin S, Ceafalan L, Popescu LM. Telocytes in meninges and choroid plexus. Neurosci Lett. 2012;516(2):265–9.

    Article  CAS  PubMed  Google Scholar 

  49. Popescu LM, Faussone-Pellegrini MS. TELOCYTES – a case of serendipity: the winding way from Interstitial Cells of Cajal (ICC), via Interstitial Cajal-Like Cells (ICLC) to TELOCYTES. J Cell Mol Med. 2010;14(4):729–40.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  50. Popescu LM, Gherghiceanu M, Suciu LC, Manole CG, Hinescu ME. Telocytes and putative stem cells in the lungs: electron microscopy, electron tomography and laser scanning microscopy. Cell Tissue Res. 2011;345(3):391–403.

    Article  PubMed  PubMed Central  Google Scholar 

  51. Popescu LM, Manole CG, Gherghiceanu M, Ardelean A, Nicolescu MI, Hinescu ME, Kostin S. Telocytes in human epicardium. J Cell Mol Med. 2010;14(8):2085–93.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  52. Qi G, Lin M, Xu M, Manole CG, Wang X, Zhu T. Telocytes in the human kidney cortex. J Cell Mol Med. 2012;16(12):3116–22.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  53. Richter M, Kostin S. The failing human heart is characterized by decreased numbers of telocytes as result of apoptosis and altered extracellular matrix composition. J Cell Mol Med. 2015;19(11):2597–606.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  54. Roatesi I, Radu BM, Cretoiu D, Cretoiu SM. Uterine telocytes: a review of current knowledge. Biol Reprod. 2015;93(1):10.

    Article  PubMed  Google Scholar 

  55. Rusu MC, Folescu R, Mănoiu VS, Didilescu AC. Suburothelial interstitial cells. Cells Tissues Organs. 2014;199(1):59–72.

    Article  CAS  PubMed  Google Scholar 

  56. Rusu MC, Jianu AM, Mirancea N, Didilescu AC, Mănoiu VS, Păduraru D. Tracheal telocytes. J Cell Mol Med. 2012;16(2):401–5.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  57. Rusu MC, Mirancea N, Mănoiu VS, Vâlcu M, Nicolescu MI, Păduraru D. Skin telocytes. Ann Anat. 2012;194(4):359–67.

    Article  CAS  PubMed  Google Scholar 

  58. Shinohara MM, Deubner H, Argenyi ZB. S100, HMB-45, and Melan-A negative primary melanoma. Dermatol Online J. 2009;15(9):7.

    PubMed  Google Scholar 

  59. Song D, Cretoiu D, Zheng M, Qian M, Zhang M, Cretoiu SM, Chen L, Fang H, Popescu LM, Wang X. Comparison of Chromosome 4 gene expression profile between lung telocytes and other local cell types. J Cell Mol Med. 2015. doi:10.1111/jcmm.12746.

    Google Scholar 

  60. Suciu L, Popescu LM, Gherghiceanu M, Regalia T, Nicolescu MI, Hinescu ME, Faussone-Pellegrini MS. Telocytes in human term placenta: morphology and phenotype. Cells Tissues Organs. 2010;192(5):325–39.

    Article  CAS  PubMed  Google Scholar 

  61. Suciu LC, Popescu BO, Kostin S, Popescu LM. Platelet-derived growth factor receptor-β-positive telocytes in skeletal muscle interstitium. J Cell Mol Med. 2012;16(4):701–7.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  62. Tao L, Wang H, Wang X, Kong X, Li X. Cardiac telocytes. Curr Stem Cell Res Ther. 2016;11(5):404–9.

    Google Scholar 

  63. Tripodo C, Di Bernardo A, Ternullo MP, Guarnotta C, Porcasi R, Ingrao S, Gianelli U, Boveri E, Iannitto E, Franco G, Florena AM. CD146(+) bone marrow osteoprogenitors increase in the advanced stages of primary myelofibrosis. Haematologica. 2009;94(1):127–30.

    Article  PubMed  Google Scholar 

  64. Vannucchi MG, Traini C, Guasti D, Del Popolo G, Faussone-Pellegrini MS. Telocytes subtypes in human urinary bladder. J Cell Mol Med. 2014;18(10):2000–8.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  65. Vannucchi MG, Traini C, Manetti M, Ibba-Manneschi L, Faussone-Pellegrini MS. Telocytes express PDGFRα in the human gastrointestinal tract. J Cell Mol Med. 2013;17(9):1099–108.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  66. Wang F, Song Y, Bei Y, Zhao Y, Xiao J, Yang C. Telocytes in liver regeneration: possible roles. J Cell Mol Med. 2014;18(9):1720–6.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  67. Xiao J, Wang F, Liu Z, Yang C. Telocytes in liver: electron microscopic and immunofluorescent evidence. J Cell Mol Med. 2013;17(12):1537–42.

    Article  PubMed  PubMed Central  Google Scholar 

  68. Yang J, Chi C, Liu Z, Yang G, Shen ZJ, Yang XJ. Ultrastructure damage of oviduct telocytes in rat model of acute salpingitis. J Cell Mol Med. 2015;19(7):1720–8.

    Article  PubMed  PubMed Central  Google Scholar 

  69. Yang Y, Sun W, Wu SM, Xiao J, Kong X. Telocytes in human heart valves. J Cell Mol Med. 2014;18(5):759–65. doi:10.1111/jcmm.12285. PubMed PMID: 24674389, PubMed Central PMCID: PMC4119382, Epub 2014 Mar 26.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  70. Zhang HQ, Lu SS, Xu T, Feng YL, Li H, Ge JB. Morphological evidence of telocytes in mice aorta. Chin Med J (Engl). 2015;128(3):348–52.

    Article  Google Scholar 

  71. Zheng Y, Chen X, Qian M, Zhang M, Zhang D, Bai C, Wang Q, Wang X. Human lung telocytes could promote the proliferation and angiogenesis of human pulmonary microvascular endothelial cells in vitro. Mol Cell Ther. 2014;2:3.

    Article  PubMed  PubMed Central  Google Scholar 

  72. Zheng Y, Li H, Manole CG, Sun A, Ge J, Wang X. Telocytes in trachea and lungs. J Cell Mol Med. 2011;15(10):2262–8.

    Article  CAS  PubMed  PubMed Central  Google Scholar 

  73. Zheng Y, Zhu T, Lin M, Wu D, Wang X. Telocytes in the urinary system. J Transl Med. 2012;10:188.

    Article  PubMed  PubMed Central  Google Scholar 

  74. Zheng YH, Li H, Ge JB, Gao HJ, Wang XD. Location of telocytes in mouse bronchial and pulmonary tissues. Zhonghua Bing Li Xue Za Zhi. 2012;41(3):172–5.

    PubMed  Google Scholar 

  75. Calonje JE, Brenn T, Lazar AJ, McKee PH. Spongiotic, psoriasiform and pustular dermatoses. In: Calonje JE, Brenn T, Lazar AJ, McKee PH, editors. McKee’s pathology of the skin. 4th ed. Philadelphia: Elsevier; 2011. p. 180–218.

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Catalin G. Manole MD, PhD .

Editor information

Editors and Affiliations

Rights and permissions

Reprints and permissions

Copyright information

© 2016 Springer Science+Business Media Singapore

About this chapter

Cite this chapter

Manole, C.G., Simionescu, O. (2016). The Cutaneous Telocytes. In: Wang, X., Cretoiu, D. (eds) Telocytes. Advances in Experimental Medicine and Biology, vol 913. Springer, Singapore. https://doi.org/10.1007/978-981-10-1061-3_20

Download citation

Publish with us

Policies and ethics