ANXA2 promotes osteogenic differentiation and inhibits cellular senescence of periodontal ligament cells (PDLCs) in high glucose conditions

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Biochemistry, Biophysics and Molecular Biology

Main article text

 

Introduction

Material and Methods

Isolation and culture of PDLCs

Cell viability assay

Presentation of experimental groups and drug concentrations

Western Blot Analysis

Alkaline Phosphatase (ALP) activity analysis

Alizarin Red S staining

Senescence-Associated β-Galactosidase (SA-β-Gal) Staining

Observation of intracellular ROS

Activity of malonaldehyde (MDA)

Quantitative real-time PCR (qRT-PCR)

Statistical analysis

Result

The viability of PDLCs was attenuated in high glucose conditions

ANXA2 expression was decreased in PDLCs under high-glucose condition

rANXA2 was not toxic and was able to resist the impact of high glucose on the cellular activity of PDLCs

High glucose inhibits the osteogenic differentiation of PDLCs, which can be attenuated by administration of rANXA2

High glucose induces cellular senescence of PDLCs, which can be inhibited by the application of rANXA2

rANXA2 reduce oxidative damage of PDLCs induced by high glucose

rANXA2 enhances autophagy in PDLCs under high glucose conditions

Discussion

Summarization

Supplemental Information

WB origin figure.

DOI: 10.7717/peerj.18064/supp-3

Additional Information and Declarations

Competing Interests

The authors declare there are no competing interests.

Author Contributions

Yanlin Huang conceived and designed the experiments, performed the experiments, authored or reviewed drafts of the article, and approved the final draft.

Jiaye Wang performed the experiments, prepared figures and/or tables, and approved the final draft.

Chunhui Jiang analyzed the data, prepared figures and/or tables, and approved the final draft.

Minghe Zheng analyzed the data, prepared figures and/or tables, and approved the final draft.

Mingfang Han analyzed the data, prepared figures and/or tables, and approved the final draft.

Qian Fang analyzed the data, prepared figures and/or tables, and approved the final draft.

Yizhao Liu analyzed the data, prepared figures and/or tables, and approved the final draft.

Ru Li analyzed the data, prepared figures and/or tables, and approved the final draft.

Liangjun Zhong analyzed the data, prepared figures and/or tables, and approved the final draft.

Zehui Li conceived and designed the experiments, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

The study was approved by the Ethics Committee of the Affiliated Hospital of Hangzhou Normal University (2023(E2)-KS-034).

Data Availability

The following information was supplied regarding data availability:

The raw data in the experiment are available in the Supplementary Files.

Funding

This study was supported by the Affiliated Hospital of Hangzhou Normal University, Zhejiang, China (PYJH202303). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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