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REVIEW ARTICLE
            Strategies for constructing rotator cuff organoids: A

            review



            Qiangzhuang Shi 1,2,3  , Weidong Yu , and Zhenlong Liu 1,2,3 *
                                           4
            1 Department of Sports Medicine, Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing, China
            2 Beijing Key Laboratory of Sports Injuries, Beijing, China
            3 Engineering Research Center of Sports Trauma Treatment Technology and Devices, Ministry of Education, Beijing, China
            4 Wellspring TCM technology institute Ltd, Vancouver, British Columbia, Canada
            *Corresponding author: Zhenlong Liu (zhenlong_liu@bjmu.edu.cn)



            Citation: Shi Q, Yu W, Liu Z.   Abstract
            Strategies for constructing rotator cuff
            organoids: A review. Organoid Res.
            2025;1(3):025320025.          Rotator cuff injury is a common disease of the locomotor system, causing a serious
            doi: 10.36922/OR025320025     burden on the individual patient as well as society. The current treatment primarily
                                          involves surgical intervention, but it cannot completely restore the physiological
            Received: August 7, 2025
                                          integrity of the rotator cuff and carries a significant risk of postoperative re-tear.
            1st revised: September 19, 2025  To improve the repair of rotator cuff injuries, regenerative medicine strategies have
            2nd revised: October 9, 2025  been widely explored. Organoids refer to three-dimensional (3D) tissue structures
                                          derived from stem/progenitor cells in vitro, which recapitulate native organ structure
            Accepted: October 13, 2025
                                          and function, providing an emerging platform for disease modeling, drug screening,
            Published online: October 27, 2025   and regenerative medicine. In this paper, we first outline the disease background of
            Copyright: © 2025 Author(s). This   rotator cuff anatomy and current clinical treatments and subsequently summarize
            is an Open-Access article distributed   fabrication strategies for the rotator cuff-relevant organoids, focusing on skeletal
            under the terms of the Creative
            Commons Attribution License,   muscle, tendon, bone, cartilage, and especially regenerative medicine approaches
            permitting distribution, and reproduction  for the tendon-bone interface. Building upon this foundation, we describe in detail
            in any medium, which provided that the  the integrative strategies for rotator cuff organoid biofabrication, encompassing cell
            original work is properly cited.  sources, matrix materials, construction techniques, and strategies. Finally, this work
            Publisher’s Note: AccScience   also addresses the challenges in rotator cuff organoid construction and outlines
            Publishing remains neutral with regard   possible solutions, while re-emphasizing the transformative potential of rotator cuff
            to jurisdictional claims in published
            maps and institutional affiliations.  organoids for promoting fundamental research, accelerating drug screening, and
                                          enabling functional repair of rotator cuff diseases.


                                          Keywords: Rotator cuff; Organoid; Regenerative medicine


            1. Introduction                                   rotator cuff tears has been reported to be 10–40%, while
                                                              the rate of rotator cuff re-tears is 11–68%.  Consequently,
                                                                                                6
            Rotator cuff injury (RCI) is one of the most common   rotator cuff injuries represent a highly prevalent condition
            musculoskeletal disorders, and the main symptoms include   with profound impacts on both individual well-being and
            shoulder pain, restricted mobility, and dysfunction,  which   healthcare systems.
                                                     1
            can cause pain and dyskinesia, thus diminishing the quality
            of life of the patients and placing a substantial burden on the   The rotator cuff consists of the supraspinatus,
            healthcare system.  Based on a study conducted in Japan,   infraspinatus, teres minor, and subscapularis muscles. Their
                           2
            the prevalence of RCI was estimated at approximately   tendons converge  to  attach  to  the  humeral head  through
            20.7%.  In the United States, medical care expenditures for   a specialized transitional architecture, which consists of
                  3
            shoulder disorders had reached approximately US$7 billion   four histologically distinct zones: (1) the tendinous proper,
            in 2000,  with 65–70% of these patients experiencing rotator   (2) uncalcified fibrocartilage, (3) calcified fibrocartilage, and
                   4
            cuff  disorders.   In  addition,  the  prevalence  of  massive   (4) mineralized bone.  The mechanism of RCI is complex
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                        5
            Volume 1 Issue 3 (2025)                         1                            doi: 10.36922/OR025320025
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