A thermosensitive, reactive oxygen species-responsive, MR409-encapsulated hydrogel ameliorates disc degeneration in rats by inhibiting the secretory autophagy pathway.


Journal

Theranostics
ISSN: 1838-7640
Titre abrégé: Theranostics
Pays: Australia
ID NLM: 101552395

Informations de publication

Date de publication:
2021
Historique:
received: 03 05 2020
accepted: 18 09 2020
entrez: 4 1 2021
pubmed: 5 1 2021
medline: 6 8 2021
Statut: epublish

Résumé

Lumbar disc degeneration is a common cause of chronic low back pain and an important contributor to various degenerative lumbar spinal disorders. However, currently there is currently no effective therapeutic strategy for treating disc degeneration. The pro-inflammatory cytokine interleukin-1β (IL-1β) mediates disc degeneration by inducing apoptotic death of nucleus pulposus (NP) cells and degradation of the NP extracellular matrix. Here, we confirmed that extracellular secretion of IL-1β via secretory autophagy contributes to disc degeneration, and demonstrate that a thermosensitive reactive oxygen species (ROS)-responsive hydrogel loaded with a synthetic growth hormone-releasing hormone analog (MR409) can protect against needle puncture-induced disc degeneration in rats.

Identifiants

pubmed: 33391467
doi: 10.7150/thno.47723
pii: thnov11p0147
pmc: PMC7681093
doi:

Substances chimiques

(N-acetyl-tyr1,D-arg2)fragment 1-29 amide 0
Hydrogels 0
Interleukin-1beta 0
LC3 protein, rat 0
MAP1LC3B protein, human 0
Microtubule-Associated Proteins 0
Peptide Fragments 0
Reactive Oxygen Species 0
Tripartite Motif Proteins 0
TRIM16 protein, human EC 2.3.2.27
Ubiquitin-Protein Ligases EC 2.3.2.27

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

147-163

Informations de copyright

© The author(s).

Déclaration de conflit d'intérêts

Competing Interests: The authors have declared that no competing interest exists.

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Auteurs

Qiangqiang Zheng (Q)

Spine lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.

Haotian Shen (H)

Spine lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.

Zongrui Tong (Z)

MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.

Linxiang Cheng (L)

Spine lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.

Yuzi Xu (Y)

Department of Oral Implantology and Prosthodontics, The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, P.R. China.

Zhiyun Feng (Z)

Spine lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.

Shiyao Liao (S)

Department of Orthopedic Surgery, Zhejiang Provincial People's Hospital, Hangzhou Medical College, Hangzhou 310003, China.

Xiaojian Hu (X)

Spine lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.

Zongyou Pan (Z)

Spine lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.
Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, And Department of Orthopedic Surgery of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.

Zhengwei Mao (Z)

MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.

Yue Wang (Y)

Spine lab, Department of Orthopedic Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China.

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Classifications MeSH