Evidence map›Paper›PMID 41808880›Full record

ArticleJournal of orthopaedic translation2026

Engineering multifunctional microspheres for sequential regulation of osteoimmune microenvironment and bone remodeling balance to promote regeneration of osteoporotic bone defects.

Zhiheng Luo, Jianxiong Ma, Yipei Yang, HongJie Zhang, Yuhan Du, Jing Dai, Yan Wang, Wei Zhang, Xinlong Ma, Yuxiao Lai

Abstract read
In one paragraph

Article in Journal of orthopaedic translation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Zhiheng LuoTianjin Hospital, Tianjin University, Tianjin, 300211, China.
Jianxiong MaTianjin Hospital, Tianjin University, Tianjin, 300211, China.
Yipei YangDepartment of Orthopedic Surgery, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, China.
HongJie ZhangTianjin Hospital, Tianjin University, Tianjin, 300211, China.
Yuhan DuCentre for Translational Medicine Research & Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.
Jing DaiTianjin Hospital, Tianjin University, Tianjin, 300211, China.
Yan WangTianjin Hospital, Tianjin University, Tianjin, 300211, China.
Wei ZhangCentre for Translational Medicine Research & Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.
Xinlong MaTianjin Hospital, Tianjin University, Tianjin, 300211, China.
Yuxiao LaiCentre for Translational Medicine Research & Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objectives: Osteoporotic bone defect repair remains clinically challenging due to persistent low-grade inflammation, excessive reactive oxygen species (ROS), and dysregulated bone metabolism. Approaches relying solely on osteoclast inhibition are often insufficient, particularly for irregular osteoporotic bone voids. This study aimed to develop a multifunctional microsphere system capable of sequential osteoimmune regulation and bone metabolic remodeling. Methods: Gelatin microspheres grafted with alendronate and loaded with epigallocatechin gallate (Gel@ALN@E) were fabricated via an emulsion-chemical crosslinking method to enable controlled dual-drug release. In Results: Gel@ALN@E effectively reduced oxidative stress and inflammatory responses by promoting macrophage M2 polarization, while concurrently suppressing osteoclastogenesis and restoring bone metabolic balance. This coordinated regulation significantly enhanced osteogenic differentiation. Transcriptomic analysis revealed the downregulation of related inflammatory pathways. In Conclusion: This sequential drug release system offers a promising platform for both immunomodulation and bone regeneration in osteoporotic defect repair. The Translational Potential of this Article: The composite engineered microsphere system Gel@ALN@E integrates local immunomodulatory and osteoclast-inhibitory functions to directly address key pathological microenvironmental features of osteoporotic bone defects. This integrative design highlights its comprehensive pro-regenerative capacity and provides support for its translational application in the clinical treatment of irregular osteoporotic bone defects.

Indexed as

Bone defectBone regenerationGelatinMicroenvironmentMicrospheresOsteoporosis

Identifiers

PMID41808880
PMCPMC12969011

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.