000 02884nab a2200349 a 4500
003 AR-ReUNN
005 20260702004712.0
008 260701s2021 ag |||||||||||||||||eng
041 0 _aeng
100 1 _aJohannessen, Anne Christine
_9197172
700 1 _aNeppelberg, Evelyn
_9197173
700 1 _aLiang, Xiao
_9197174
700 1 _aDas, Ridhima
_9197175
700 1 _aKitajima, Kayoto
_9197176
700 1 _aIgarashi, Masaru
_9197177
700 1 _aCostea, Daniela Elena
_9197178
700 1 _aIgarashi, Masaru
_9197177
245 1 0 _aAislamiento y caracterización de células derivadas de restos epiteliales humanos de Malassez
246 1 3 _aIsolation and characterization of cells derived from human epithelial rests of malassez
264 1 _c2021
300 _a10 páginas
520 _aThe epithelial rests of Malassez (ERMs) might represent a valuable source of oral epithelial cells with stem cell properties. The purpose of this study was to isolate and characterize cells derived from human ERM, and compare them with cells derived from matched normal oral mucosa (NOM). Matched tissue specimens of the periodontal ligament of extracted tooth and NOM were collected. Cells were isolated in culture, then characterized by immunohistochemistry and flow cytometry for expression of pancytokeratin, ESA, PDGFRB, CD31 and CD44. 3D organotypic cultures were constructed by growing epithelial cells on top of fibroblast-populated collagen gels. Both ERM and NOM-isolated cells expressed the markers of epithelial lineage (ESA and pancytokeratin), and to some extent PDGFR, an indicator of a more mesenchymal phenotype, but not the endothelial cell marker CD31. Cells with epithelial morphology were isolated from periodontium of cervical, middle and apical parts of the root, but contained a significantly lower percentage of ESA and pancytokeratin-positive cells than when isolating cells from NOM (p?<?0.001). ERM cells expressed a significantly higher percentage of the stem cell-related molecule CD44 (cervical 92.93?±?0.25%, middle 93.8?±?0.26%, apical 94.36?±?0.41%) than cells isolated from NOM (27.8?±?1.47%, p?<?0.001). When grown in 3D organotypic cultures and in collagen gels, ERM cells formed a less differentiated epithelium than NOM cells, but expressing pancytokeratin and vimentin. In conclusion, epithelial cells could be isolated from human periodontium and grown in culture; their in vitro characterization indicates that they have a less differentiated phenotype compared with cells derived from normal oral epithelium.
650 4 _aRestos de Malassez
_9197179
650 4 _aLigamento Periodontal
_9166272
650 4 _aInmunohistoquimica
_9125622
650 4 _aHumano
_9122622
650 4 _aMucosa Oral
_9167435
773 0 _tOdontology
_x1618-1247
_gv. 107 n. 3 (2019)
_w257190
942 _cART
035 _a(ODN)64362
001 265476
999 _c265476
_d265476
040 _aAR-ReUNN
_bspa
_cAR-ReUNN
_eaacr2