CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells
Identification of specific cell markers is crucial for recognizing functionally healthy nucleus pulposus (NP) cells. The objective of this study was to investigate the role of CD24 expression in adult human NP cells. Cells were retrieved from NP tissues of 20 patients (aged 17–44) operated on for lu...
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2019-12-01
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| Series: | Artificial Cells, Nanomedicine, and Biotechnology |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/21691401.2019.1642205 |
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| author | Shu-Hua Yang Ming-Hsiao Hu Chang-Chin Wu Chih-Wei Chen Yuan-Hui Sun Kai-Chiang Yang |
| author_facet | Shu-Hua Yang Ming-Hsiao Hu Chang-Chin Wu Chih-Wei Chen Yuan-Hui Sun Kai-Chiang Yang |
| author_sort | Shu-Hua Yang |
| collection | DOAJ |
| description | Identification of specific cell markers is crucial for recognizing functionally healthy nucleus pulposus (NP) cells. The objective of this study was to investigate the role of CD24 expression in adult human NP cells. Cells were retrieved from NP tissues of 20 patients (aged 17–44) operated on for lumbar disc herniation. Based on CD24 expression, NP cells were separated by sorting and then used to examine phenotypic behavior, the effects of culture conditions and cellular senescence pathway related proteins. CD24 expression was positive in 35.5 ± 3.7% (range 9.1–65.2%) of NP cells. Consistently, normoxic expansion and serial passages in monolayers decreased percentage positivity for CD24 in NP cells. CD24– NP cells showed a markedly decreased GSK-3β activity and increased mitogen-activated protein kinase phosphorylation accompanying by an increased β-catenin expression. Higher levels of matrix metalloproteinases, as well as lower levels of ACAN and COL2 in CD24– cells, indicated the breakdown and reduced the formation of key extracellular matrix components. CD24+ NP cells presented a more favorable phenotype while CD24– cells showed a more prominent cellular senescence fate. CD24 in NP cells may be a surrogate marker of healthy cells, in the cell-based therapeutic treatment of degenerative disc disorders. |
| first_indexed | 2024-04-13T07:33:02Z |
| format | Article |
| id | doaj.art-edbe75235493443fb35576e80133c22d |
| institution | Directory Open Access Journal |
| issn | 2169-1401 2169-141X |
| language | English |
| last_indexed | 2024-04-13T07:33:02Z |
| publishDate | 2019-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Artificial Cells, Nanomedicine, and Biotechnology |
| spelling | doaj.art-edbe75235493443fb35576e80133c22d2022-12-22T02:56:18ZengTaylor & Francis GroupArtificial Cells, Nanomedicine, and Biotechnology2169-14012169-141X2019-12-014713021302810.1080/21691401.2019.1642205CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cellsShu-Hua Yang0Ming-Hsiao Hu1Chang-Chin Wu2Chih-Wei Chen3Yuan-Hui Sun4Kai-Chiang Yang5Department of Orthopedics, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, TaiwanDepartment of Orthopedics, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, TaiwanDepartment of Orthopedics, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, TaiwanDepartment of Orthopedics, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, TaiwanDepartment of Orthopedics, National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei, TaiwanDepartment of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei, TaiwanIdentification of specific cell markers is crucial for recognizing functionally healthy nucleus pulposus (NP) cells. The objective of this study was to investigate the role of CD24 expression in adult human NP cells. Cells were retrieved from NP tissues of 20 patients (aged 17–44) operated on for lumbar disc herniation. Based on CD24 expression, NP cells were separated by sorting and then used to examine phenotypic behavior, the effects of culture conditions and cellular senescence pathway related proteins. CD24 expression was positive in 35.5 ± 3.7% (range 9.1–65.2%) of NP cells. Consistently, normoxic expansion and serial passages in monolayers decreased percentage positivity for CD24 in NP cells. CD24– NP cells showed a markedly decreased GSK-3β activity and increased mitogen-activated protein kinase phosphorylation accompanying by an increased β-catenin expression. Higher levels of matrix metalloproteinases, as well as lower levels of ACAN and COL2 in CD24– cells, indicated the breakdown and reduced the formation of key extracellular matrix components. CD24+ NP cells presented a more favorable phenotype while CD24– cells showed a more prominent cellular senescence fate. CD24 in NP cells may be a surrogate marker of healthy cells, in the cell-based therapeutic treatment of degenerative disc disorders.https://www.tandfonline.com/doi/10.1080/21691401.2019.1642205Nucleus pulposuscell therapyCD24phenotypecellular senescence |
| spellingShingle | Shu-Hua Yang Ming-Hsiao Hu Chang-Chin Wu Chih-Wei Chen Yuan-Hui Sun Kai-Chiang Yang CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells Artificial Cells, Nanomedicine, and Biotechnology Nucleus pulposus cell therapy CD24 phenotype cellular senescence |
| title | CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells |
| title_full | CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells |
| title_fullStr | CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells |
| title_full_unstemmed | CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells |
| title_short | CD24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells |
| title_sort | cd24 expression indicates healthier phenotype and less tendency of cellular senescence in human nucleus pulposus cells |
| topic | Nucleus pulposus cell therapy CD24 phenotype cellular senescence |
| url | https://www.tandfonline.com/doi/10.1080/21691401.2019.1642205 |
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