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Ruoss S, Nasamran CA, Ball ST, Chen JL, Halter KN, Bruno KA, Whisenant TC, Parekh JN, Dorn SN, Esparza MC, Bremner SN, Fisch KM, Engler AJ, Ward SR. Comparative single-cell transcriptional and proteomic atlas of clinical-grade injectable mesenchymal source tissues. SCIENCE ADVANCES 2024; 10:eadn2831. [PMID: 38996032 PMCID: PMC11244553 DOI: 10.1126/sciadv.adn2831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 06/06/2024] [Indexed: 07/14/2024]
Abstract
Bone marrow aspirate concentrate (BMAC) and adipose-derived stromal vascular fraction (ADSVF) are the most marketed stem cell therapies to treat a variety of conditions in the general population and elite athletes. Both tissues have been used interchangeably clinically even though their detailed composition, heterogeneity, and mechanisms of action have neither been rigorously inventoried nor compared. This lack of information has prevented investigations into ideal dosages and has facilitated anecdata and misinformation. Here, we analyzed single-cell transcriptomes, proteomes, and flow cytometry profiles from paired clinical-grade BMAC and ADSVF. This comparative transcriptional atlas challenges the prevalent notion that there is one therapeutic cell type present in both tissues. We also provide data of surface markers that may enable isolation and investigation of cell (sub)populations. Furthermore, the proteome atlas highlights intertissue and interpatient heterogeneity of injected proteins with potentially regenerative or immunomodulatory capacities. An interactive webtool is available online.
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Affiliation(s)
- Severin Ruoss
- Department of Orthopaedic Surgery, UC San Diego, La Jolla, CA, USA
| | - Chanond A. Nasamran
- Center for Computational Biology and Bioinformatics, UC San Diego, La Jolla, CA, USA
| | - Scott T. Ball
- Department of Orthopaedic Surgery, UC San Diego, La Jolla, CA, USA
| | - Jeffrey L. Chen
- Department of Anesthesiology, Center for Pain, UC San Diego, La Jolla, CA, USA
| | - Kenneth N. Halter
- Department of Anesthesiology, Center for Pain, UC San Diego, La Jolla, CA, USA
| | - Kelly A. Bruno
- Department of Anesthesiology, Center for Pain, UC San Diego, La Jolla, CA, USA
| | - Thomas C. Whisenant
- Center for Computational Biology and Bioinformatics, UC San Diego, La Jolla, CA, USA
| | - Jesal N. Parekh
- Department of Orthopaedic Surgery, UC San Diego, La Jolla, CA, USA
| | - Shanelle N. Dorn
- Department of Orthopaedic Surgery, UC San Diego, La Jolla, CA, USA
| | - Mary C. Esparza
- Department of Orthopaedic Surgery, UC San Diego, La Jolla, CA, USA
| | | | - Kathleen M. Fisch
- Center for Computational Biology and Bioinformatics, UC San Diego, La Jolla, CA, USA
- Department of Obstetrics, Gynecology & Reproductive Sciences, UC San Diego, La Jolla, CA, USA
| | - Adam J. Engler
- Chien-Lay Department of Bioengineering, UC San Diego, La Jolla, CA, USA
- Sanford Consortium for Regenerative Medicine, La Jolla, CA, USA
| | - Samuel R. Ward
- Department of Orthopaedic Surgery, UC San Diego, La Jolla, CA, USA
- Chien-Lay Department of Bioengineering, UC San Diego, La Jolla, CA, USA
- Department of Radiology, UC San Diego, La Jolla, CA, USA
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Sussman WI, Auriemma M, Bodor M, Cianca J, Jayaram P, Knight K, Townsend C, Borg-Stein J. Developing and integrating an orthobiologics curriculum. PM R 2024; 16:785-788. [PMID: 39011829 DOI: 10.1002/pmrj.13252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Accepted: 06/19/2024] [Indexed: 07/17/2024]
Affiliation(s)
- Walter I Sussman
- Boston Sports & Biologics, Wellesley, Massachusetts, USA
- Tufts Medical Center, Boston, Massachusetts, USA
| | - Michael Auriemma
- Regenerative Orthopedics and Sports Medicine, Rockville, Maryland, USA
| | | | - John Cianca
- Human Performance Center, Bellaire, Texas, USA
| | | | - Karen Knight
- Columbia University Medical Center, New York, NY, USA
| | - Christine Townsend
- Montefiore Med Ctr/Albert Einstein COM Yeshiva Univ Sports Medicine Fellowship, Bronx, New York, USA
| | - Joanne Borg-Stein
- Spaulding Rehabilitation Hospital and Harvard Medical School, Boston, Massachusetts, USA
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Aristizabal M, Bruce A, Pincelli T, Arthurs J, Shapiro S. An Academic Dermatology Center's Structured Platelet-rich Plasma Approach to Patients with Androgenetic Alopecia. THE JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY 2024; 17:S28-S30. [PMID: 38872926 PMCID: PMC11168409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Androgenetic alopecia (AGA) is a prevalent cause of hair loss with complex pathophysiologic mechanisms that pose challenges for effective treatment. Despite various therapeutic approaches yielding only partial results, regenerative treatments, such as platelet-rich plasma (PRP), have gained popularity. However, the lack of standardized PRP practices, encompassing product preparation and application, has been a significant concern. This article aims to contribute to fill this gap by presenting a comprehensive overview of PRP practices at a large academic center. Through detailing our protocols, this work not only contributes to the understanding of AGA treatment but also emphasizes the crucial aspect of treatment standardization in the context of PRP therapy. By providing a practical representation of our institutional PRP practices, we aim to contribute to the ongoing discourse on refining and implementing standardized protocols, fostering reproducibility, and improving clinical outcomes in the management of AGA.
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Affiliation(s)
- Miguel Aristizabal
- Drs. Aristizabal, Bruce, and Pincelli are with Department of Dermatology, Mayo Clinic in Jacksonville, Florida
| | - Alison Bruce
- Drs. Aristizabal, Bruce, and Pincelli are with Department of Dermatology, Mayo Clinic in Jacksonville, Florida
| | - Thais Pincelli
- Drs. Aristizabal, Bruce, and Pincelli are with Department of Dermatology, Mayo Clinic in Jacksonville, Florida
| | - Jennifer Arthurs
- Ms. Arthurs is with Center for Regenerative Biotherapeutics, Mayo Clinic in Jacksonville, Florida
| | - Shane Shapiro
- Dr. Shapiro is with Department of Orthopedic Surgery, Mayo Clinic in Jacksonville, Florida
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Matthews KRW, Lowe SJ, Master Z. US state laws on medical freedom and investigational stem cell procedures: a call to focus on state-based legislation. Cytotherapy 2024; 26:404-409. [PMID: 38310500 PMCID: PMC11010147 DOI: 10.1016/j.jcyt.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 01/04/2024] [Accepted: 01/21/2024] [Indexed: 02/05/2024]
Abstract
The premature marketing of investigational stem cell interventions (SCIs) is a growing market in the US. Several US states have passed legislation to permit and promote unproven and experimental SCIs for individuals with terminal or chronic diseases. These SCI medical freedom laws, which are largely based on right-to-try legislation, increase access to experimental SCIs with little to no oversight. They undermine federal regulatory authority and can compromise patient safety and informed decision-making. SCI medical freedom laws have gone largely unnoticed by scientific societies interested in the responsible translation of stem cell medicine. In this article, we analyze state SCI medical freedom laws and describe their detrimental impact on patients and society. We contend that scientific and medical societies are uniquely poised to advocate against state-based policy promoting unproven SCIs but recognize resource and other constraints to advocate for or against legislation in 50 states. We recommend societies establish coalitions and share resources to address state-based SCI medical freedom laws and other legislation surrounding unproven SCIs.
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Affiliation(s)
- Kirstin R W Matthews
- Baker Institute Center for Health and Biosciences, Rice University, Houston, Texas, USA.
| | - Samantha J Lowe
- Baker Institute Center for Health and Biosciences, Rice University, Houston, Texas, USA
| | - Zubin Master
- Baker Institute Center for Health and Biosciences, Rice University, Houston, Texas, USA; Department of Social Sciences and Health Policy, Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.
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Sui H, Dou J, Shi B, Cheng X. The reciprocity of skeletal muscle and bone: an evolving view from mechanical coupling, secretory crosstalk to stem cell exchange. Front Physiol 2024; 15:1349253. [PMID: 38505709 PMCID: PMC10949226 DOI: 10.3389/fphys.2024.1349253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 02/19/2024] [Indexed: 03/21/2024] Open
Abstract
Introduction: Muscle and bone constitute the two main parts of the musculoskeletal system and generate an intricately coordinated motion system. The crosstalk between muscle and bone has been under investigation, leading to revolutionary perspectives in recent years. Method and results: In this review, the evolving concept of muscle-bone interaction from mechanical coupling, secretory crosstalk to stem cell exchange was explained in sequence. The theory of mechanical coupling stems from the observation that the development and maintenance of bone mass are largely dependent on muscle-derived mechanical loads, which was later proved by Wolff's law, Utah paradigm and Mechanostat hypothesis. Then bone and muscle are gradually recognized as endocrine organs, which can secrete various cytokines to modulate the tissue homeostasis and remodeling to each other. The latest view presented muscle-bone interaction in a more direct way: the resident mesenchymal stromal cell in the skeletal muscle, i.e., fibro-adipogenic progenitors (FAPs), could migrate to the bone injury site and contribute to bone regeneration. Emerging evidence even reveals the ectopic source of FAPs from tissue outside the musculoskeletal system, highlighting its dynamic property. Conclusion: FAPs have been established as the critical cell connecting muscle and bone, which provides a new modality to study inter-tissue communication. A comprehensive and integrated perspective of muscle and bone will facilitate in-depth research in the musculoskeletal system and promote novel therapeutic avenues in treating musculoskeletal disorders.
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Affiliation(s)
| | | | | | - Xu Cheng
- State Key Laboratory of Oral Diseases and National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, China
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