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author:

Xue, Borui (Xue, Borui.) [1] | Peng, Yan (Peng, Yan.) [2] | Zhang, Yongfeng (Zhang, Yongfeng.) [3] | Yang, Shijie (Yang, Shijie.) [4] | Zheng, Yi (Zheng, Yi.) [5] | Hu, Huiling (Hu, Huiling.) [6] | Gao, Xueli (Gao, Xueli.) [7] | Yu, Beibei (Yu, Beibei.) [8] | Gao, Xue (Gao, Xue.) [9] | Li, Shengyou (Li, Shengyou.) [10] | Wu, Haining (Wu, Haining.) [11] | Ma, Teng (Ma, Teng.) [12] | Hao, Yiming (Hao, Yiming.) [13] | Wei, Yitao (Wei, Yitao.) [14] | Guo, Lingli (Guo, Lingli.) [15] | Yang, Yujie (Yang, Yujie.) [16] | Wang, Zhenguo (Wang, Zhenguo.) [17] | Xue, Tingfeng (Xue, Tingfeng.) [18] | Zhang, Jin (Zhang, Jin.) [19] (Scholars:张进) | Luo, Beier (Luo, Beier.) [20] | Xia, Bing (Xia, Bing.) [21] | Huang, Jinghui (Huang, Jinghui.) [22]

Indexed by:

EI Scopus SCIE

Abstract:

In situ disc regeneration is a meticulously orchestrated process, which involves cell recruitment, proliferation and differentiation within a local inflammatory niche. Thus far, it remains a challenge to establish a multi-staged regulatory framework for coordinating these cellular events, therefore leading to unsatisfactory outcome. This study constructs a super paramagnetically-responsive cellular gel, incorporating superparamagnetic iron oxide nanoparticles (SPIONs) and aptamer-modified palladium-hydrogen nanozymes (PdH-Apt) into a double-network polyacrylamide/hyaluronic acid (PAAm/HA) hydrogel. The Aptamer DB67 within magnetic hydrogel (Mag-gel) showed a high affinity for disialoganglioside (GD2), a specific membrane ligand of nucleus pulposus stem cells (NPSCs), to precisely recruit them to the injury site. The Mag-gel exhibits remarkable sensitivity to a magnetic field (MF), which exerts tunable micro/nano-scale forces on recruited NPSCs and triggers cytoskeletal remodeling, consequently boosting cell expansion in the early stage. By altering the parameters of MF, the mechanical cues within the hydrogel facilitates differentiation of NPSCs into nucleus pulposus cells to restore disc structure in the later stage. Furthermore, the PdH nanozymes within the Mag-gel mitigate the harsh inflammatory microenvironment, favoring cell survival and disc regeneration. This study presents a remote and multi-staged strategy for chronologically regulating endogenous stem cell fate, supporting disc regeneration without invasive procedures. The superparamagnetic-responsive hydrogel integrates SPIONs and aptamer-modified PdH nanozymes to selectively recruit endogenous stem cells and enhance their proliferation and differentiation through adjustable magnetic fields, while also improving the inflammatory microenvironment. This study introduces a remote and multi-staged strategy for chronologically regulating endogenous stem cell fate in endogenous regeneration. image

Keyword:

intervertebral disc regeneration mechanical stimulation nucleus pulposus stem cells superparamagnetic hydrogel

Community:

  • [ 1 ] [Xue, Borui]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 2 ] [Zheng, Yi]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 3 ] [Gao, Xueli]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 4 ] [Li, Shengyou]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 5 ] [Wu, Haining]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 6 ] [Ma, Teng]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 7 ] [Hao, Yiming]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 8 ] [Wei, Yitao]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 9 ] [Guo, Lingli]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 10 ] [Yang, Yujie]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 11 ] [Wang, Zhenguo]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 12 ] [Xia, Bing]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 13 ] [Huang, Jinghui]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China
  • [ 14 ] [Xue, Borui]Fourth Mil Med Univ, Air Force 986th Hosp, Xian 710032, Peoples R China
  • [ 15 ] [Hu, Huiling]Fourth Mil Med Univ, Air Force 986th Hosp, Xian 710032, Peoples R China
  • [ 16 ] [Peng, Yan]Fuzhou Univ, Coll Adv Mfg, Jinjiang 362200, Peoples R China
  • [ 17 ] [Zhang, Yongfeng]Xi An Jiao Tong Univ, Affiliated Hosp 2, Dept Neurosurg, Xian 710032, Peoples R China
  • [ 18 ] [Yang, Shijie]Xi An Jiao Tong Univ, Affiliated Hosp 2, Dept Neurosurg, Xian 710032, Peoples R China
  • [ 19 ] [Yu, Beibei]Xi An Jiao Tong Univ, Affiliated Hosp 2, Dept Neurosurg, Xian 710032, Peoples R China
  • [ 20 ] [Gao, Xue]Northwestern Polytech Univ, Sch Ecol & Environm, Xian 710072, Peoples R China
  • [ 21 ] [Xue, Tingfeng]Northwestern Polytech Univ, Sch Ecol & Environm, Xian 710072, Peoples R China
  • [ 22 ] [Zhang, Jin]Fuzhou Univ, Coll Chem Engn, Xueyuan Rd, Fuzhou 350108, Peoples R China
  • [ 23 ] [Luo, Beier]Naval Med Univ, Shanghai Changhai Hosp, Dept Spinal Surg, Shanghai 200433, Peoples R China

Reprint 's Address:

  • [Xia, Bing]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China;;[Huang, Jinghui]Fourth Mil Med Univ, Xijing Hosp, Dept Orthopaed, Xian 710032, Peoples R China;;[Zhang, Jin]Fuzhou Univ, Coll Chem Engn, Xueyuan Rd, Fuzhou 350108, Peoples R China;;[Luo, Beier]Naval Med Univ, Shanghai Changhai Hosp, Dept Spinal Surg, Shanghai 200433, Peoples R China;;

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Source :

ADVANCED SCIENCE

Year: 2024

Issue: 44

Volume: 11

1 4 . 3 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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