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Skeletal diseases pose a significant threat to both physical and mental health, emerging as a critical global issue. A thorough understanding of bone physiology and the development of effective clinical interventions necessitate robust research methodologies. Recently, organoids have gained widespread attention as three-dimensionalmodels capable of recapitulating complexenvironments, addressing key limitations of traditional two-dimensional cell cultures and animal models. As an innovative frontier in bone tissue engineering, bone organoids have shown great promise in applications such as disease modeling, drug screening, and regenerative medicine. Despite notable advances, bone organoids research is still in its early stages, with many challenges yet to be addressed. This review explores the structural characteristics of natural bone, outlines the methodologies for constructing different types of bone organoids, and discusses their potential applications. Additionally, we summarize the current challenges and propose future directions for improving bone organoids technology. By offering theoretical insights and technical guidance, this review aims to facilitate the development of bone organoids with enhanced functionality and biomimetic properties.
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http://dx.doi.org/10.1088/1758-5090/adffb9 | DOI Listing |
Mol Cancer Ther
September 2025
University of Pittsburgh, Pittsburgh, PA, United States.
Ewing sarcoma (EwS) is an aggressive bone and soft tissue cancer affecting adolescents and young adults. In vitro and in vivo models of EwS have been instrumental in advancing our understanding of EwS biology and essential in evaluating potential therapies, particularly for metastatic or relapsed disease where effective treatment options remain limited. Through an international collaborative effort between the Children's Oncology Group (COG) Bone Tumor Committee and the Euro Ewing Consortium (EEC), we review the current landscape of preclinical modeling used in EwS research encompassing both in vitro (cell lines and tumor organoids) and in vivo (mouse and non-mammalian xenografts) model systems.
View Article and Find Full Text PDFAdv Healthc Mater
September 2025
Stem Cell Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea.
Kidney organoids are powerful tools for renal disease modeling and nephrotoxicity screening, yet their limited structural complexity-particularly the underdevelopment of ureteric bud (UB) lineages-remains a major limitation. A novel differentiation protocol is developed that short-term activation of retinoic acid (RA) signaling during the early intermediate mesoderm (IM) stage, enabling co-induction of anterior and posterior IM lineages. This eliminates the need for UB co-culture and supports the formation of kidney organoids containing complete nephron segments.
View Article and Find Full Text PDFCirc Res
September 2025
MRC Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Birmingham, United Kingdom. (Y.S., A.O.K.).
Acta Biomater
August 2025
The Second Rehabilitation Hospital of Shanghai, Shanghai, China; Institute of Rehabilitation Medicine, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China. Electronic address:
Osteoarthritis (OA) is a degenerative joint disease closely associated with aging for which current treatments are limited primarily to symptomatic relief and fail to reverse pathological progression. A growing body of evidence indicates that the accumulation of senescent cells is a central driver of OA pathogenesis. This review systematically summarizes the latest advancements in antisenescence biomaterials for OA therapy, emphasizing their potential to overcome the limitations of conventional approaches by improving drug targeting, prolonging drug release kinetics, and increasing bioavailability.
View Article and Find Full Text PDFBioinform Adv
August 2025
School of Mathematics, Sun Yat-sen University, Guangzhou 510275, China.
Motivation: Embryonic cells finally evolve into various types of mature cells, where cell fate determinations play pivotal roles, but dynamic features of this process remain elusive.
Results: We analyze four single-cell RNA sequencing datasets on mouse embryo cells, mouse embryonic fibroblasts, human bone marrow, and intestine organoid. We show that key (high expression) genes of each organism exhibit different statistical features and expression patterns before and after branch, e.