Establishment of a promising human nucleus pulposus cell line for intervertebral disc tissue engineering

Ming Che Liu, Wei Hong Chen, Ling Chiao Wu, Wei Che Hsu, Wen Cheng Lo, Shauh Der Yeh, Ming Fu Wang, Rong Zeng, Win Ping Deng

研究成果: 雜誌貢獻文章

22 引文 (Scopus)

摘要

Low-back pain caused by intervertebral disc degeneration could be recovered by the regeneration of the nucleus pulposus (NP). This study aimed to establish a chondrogenic recovery model with promising a human NP (hNP) cell line, an immortalized hNP (ihNP), which could be a screening platform to identify regenerative drugs. The ihNP cells were created from primary human NP cells transfected with a retroviral vector-driven HPV16 E6/E7. Growth properties and characteristics of ihNP were evaluated by comparing with parental NP cells. Successful immortalization of ihNP cells stably expressed HPV 16 E6/E7 mRNA. The doubling time of ihNP was shortened to 53.16±2.63 h compared with parental hNP-P1. Cell cycle regulators, including p53, p21, and pRB were downregulated compared to parental hNP-P1. The in vivo neoplastic forming assay also demonstrated that the ihNP was nontumorigenic. After 25 generations of cell cultures, the ihNP cells, yet stably expressed chondrogenic genes, including (SOX9), type II collagen (Col II), aggrecan, decorin, biglycan, and versican. Higher expressions of chondrogenic proteins, including Col II, phosphorylated SOX9 (p-SOX9), and CD44 were also determined. Under the stressful inflammatory conditions induced by lipopolysaccharides (LPS), the regenerative and anti-inflammatory potentials of ihNP in two-dimensional culture with the presence of platelet-rich plasma (PRP) were evaluated by reverse transcriptase polymerase chain reaction. PRP showed significant effects on restoring diminished chondrogenic markers and deleterious inflammatory responses induced by LPS in ihNP. The therapeutic potentials of ihNP in three-dimensional neocartilage model could also be exerted by PRP using histological evaluation and immunological staining. Hence, the established ihNP cells can provide a chondrogenic recovery model as a regenerative drug screening tool for further regenerative drug discovery and development.
原文英語
頁(從 - 到)1-10
頁數10
期刊Tissue Engineering - Part C: Methods
20
發行號1
DOIs
出版狀態已發佈 - 一月 1 2014

指紋

Intervertebral Disc
Tissue Engineering
Platelets
Tissue engineering
Cells
Plasmas
Cell Line
Platelet-Rich Plasma
Lipopolysaccharides
Screening
Versicans
Biglycan
Decorin
Aggrecans
Recovery
Collagen Type II
Polymerase chain reaction
RNA-Directed DNA Polymerase
Cell culture
Collagen

ASJC Scopus subject areas

  • Biomedical Engineering
  • Bioengineering
  • Medicine (miscellaneous)

引用此文

Establishment of a promising human nucleus pulposus cell line for intervertebral disc tissue engineering. / Liu, Ming Che; Chen, Wei Hong; Wu, Ling Chiao; Hsu, Wei Che; Lo, Wen Cheng; Yeh, Shauh Der; Wang, Ming Fu; Zeng, Rong; Deng, Win Ping.

於: Tissue Engineering - Part C: Methods, 卷 20, 編號 1, 01.01.2014, p. 1-10.

研究成果: 雜誌貢獻文章

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abstract = "Low-back pain caused by intervertebral disc degeneration could be recovered by the regeneration of the nucleus pulposus (NP). This study aimed to establish a chondrogenic recovery model with promising a human NP (hNP) cell line, an immortalized hNP (ihNP), which could be a screening platform to identify regenerative drugs. The ihNP cells were created from primary human NP cells transfected with a retroviral vector-driven HPV16 E6/E7. Growth properties and characteristics of ihNP were evaluated by comparing with parental NP cells. Successful immortalization of ihNP cells stably expressed HPV 16 E6/E7 mRNA. The doubling time of ihNP was shortened to 53.16±2.63 h compared with parental hNP-P1. Cell cycle regulators, including p53, p21, and pRB were downregulated compared to parental hNP-P1. The in vivo neoplastic forming assay also demonstrated that the ihNP was nontumorigenic. After 25 generations of cell cultures, the ihNP cells, yet stably expressed chondrogenic genes, including (SOX9), type II collagen (Col II), aggrecan, decorin, biglycan, and versican. Higher expressions of chondrogenic proteins, including Col II, phosphorylated SOX9 (p-SOX9), and CD44 were also determined. Under the stressful inflammatory conditions induced by lipopolysaccharides (LPS), the regenerative and anti-inflammatory potentials of ihNP in two-dimensional culture with the presence of platelet-rich plasma (PRP) were evaluated by reverse transcriptase polymerase chain reaction. PRP showed significant effects on restoring diminished chondrogenic markers and deleterious inflammatory responses induced by LPS in ihNP. The therapeutic potentials of ihNP in three-dimensional neocartilage model could also be exerted by PRP using histological evaluation and immunological staining. Hence, the established ihNP cells can provide a chondrogenic recovery model as a regenerative drug screening tool for further regenerative drug discovery and development.",
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AU - Liu, Ming Che

AU - Chen, Wei Hong

AU - Wu, Ling Chiao

AU - Hsu, Wei Che

AU - Lo, Wen Cheng

AU - Yeh, Shauh Der

AU - Wang, Ming Fu

AU - Zeng, Rong

AU - Deng, Win Ping

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N2 - Low-back pain caused by intervertebral disc degeneration could be recovered by the regeneration of the nucleus pulposus (NP). This study aimed to establish a chondrogenic recovery model with promising a human NP (hNP) cell line, an immortalized hNP (ihNP), which could be a screening platform to identify regenerative drugs. The ihNP cells were created from primary human NP cells transfected with a retroviral vector-driven HPV16 E6/E7. Growth properties and characteristics of ihNP were evaluated by comparing with parental NP cells. Successful immortalization of ihNP cells stably expressed HPV 16 E6/E7 mRNA. The doubling time of ihNP was shortened to 53.16±2.63 h compared with parental hNP-P1. Cell cycle regulators, including p53, p21, and pRB were downregulated compared to parental hNP-P1. The in vivo neoplastic forming assay also demonstrated that the ihNP was nontumorigenic. After 25 generations of cell cultures, the ihNP cells, yet stably expressed chondrogenic genes, including (SOX9), type II collagen (Col II), aggrecan, decorin, biglycan, and versican. Higher expressions of chondrogenic proteins, including Col II, phosphorylated SOX9 (p-SOX9), and CD44 were also determined. Under the stressful inflammatory conditions induced by lipopolysaccharides (LPS), the regenerative and anti-inflammatory potentials of ihNP in two-dimensional culture with the presence of platelet-rich plasma (PRP) were evaluated by reverse transcriptase polymerase chain reaction. PRP showed significant effects on restoring diminished chondrogenic markers and deleterious inflammatory responses induced by LPS in ihNP. The therapeutic potentials of ihNP in three-dimensional neocartilage model could also be exerted by PRP using histological evaluation and immunological staining. Hence, the established ihNP cells can provide a chondrogenic recovery model as a regenerative drug screening tool for further regenerative drug discovery and development.

AB - Low-back pain caused by intervertebral disc degeneration could be recovered by the regeneration of the nucleus pulposus (NP). This study aimed to establish a chondrogenic recovery model with promising a human NP (hNP) cell line, an immortalized hNP (ihNP), which could be a screening platform to identify regenerative drugs. The ihNP cells were created from primary human NP cells transfected with a retroviral vector-driven HPV16 E6/E7. Growth properties and characteristics of ihNP were evaluated by comparing with parental NP cells. Successful immortalization of ihNP cells stably expressed HPV 16 E6/E7 mRNA. The doubling time of ihNP was shortened to 53.16±2.63 h compared with parental hNP-P1. Cell cycle regulators, including p53, p21, and pRB were downregulated compared to parental hNP-P1. The in vivo neoplastic forming assay also demonstrated that the ihNP was nontumorigenic. After 25 generations of cell cultures, the ihNP cells, yet stably expressed chondrogenic genes, including (SOX9), type II collagen (Col II), aggrecan, decorin, biglycan, and versican. Higher expressions of chondrogenic proteins, including Col II, phosphorylated SOX9 (p-SOX9), and CD44 were also determined. Under the stressful inflammatory conditions induced by lipopolysaccharides (LPS), the regenerative and anti-inflammatory potentials of ihNP in two-dimensional culture with the presence of platelet-rich plasma (PRP) were evaluated by reverse transcriptase polymerase chain reaction. PRP showed significant effects on restoring diminished chondrogenic markers and deleterious inflammatory responses induced by LPS in ihNP. The therapeutic potentials of ihNP in three-dimensional neocartilage model could also be exerted by PRP using histological evaluation and immunological staining. Hence, the established ihNP cells can provide a chondrogenic recovery model as a regenerative drug screening tool for further regenerative drug discovery and development.

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