Advancements in Mesenchymal Stem Cell-Derived Secretome

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Cell Biology".

Deadline for manuscript submissions: closed (28 February 2026) | Viewed by 1169

Special Issue Editor


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Guest Editor
Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy
Interests: adipose-derived stem/stromal cells

Special Issue Information

Dear Colleagues,

In recent years, mesenchymal stem cell (MSC)-derived secretome, including its subcomponents such as extracellular vesicles, has garnered increasing attention due to its remarkable regenerative and immunomodulatory potential, underscoring its applicability across a wide range of clinical scenarios. Encompassing a diverse repertoire of bioactive molecules—including cytokines, chemokines, growth factors, and microRNAs—the MSC secretome has demonstrated therapeutic efficacy comparable to cell transplantation. Indeed, MSCs primarily exert their beneficial effects through paracrine signaling rather than direct cell engraftment. Consequently, the MSC secretome mirrors the actions of its cells of origin by promoting tissue repair and regeneration, modulating immune responses, and mitigating inflammation. Moreover, compared to cell-based therapies, the secretome-based approach offers advantages such as reduced costs, simplified handling, and easier storage.

This Special Issue will highlight recent advancements in MSC secretome research, focusing on innovative applications, mechanistic insights, and future translational directions. By exploring this rapidly evolving field, we aim to gather scientific evidence that can accelerate the development and facilitate the clinical translation of innovative, cell-free therapeutic strategies.

In this Special Issue, the submission of reviews, perspectives, opinions, and original research articles on topics related to “Advancements in Mesenchymal Stem Cell-Derived Secretome” is welcome. Submissions may investigate the secretome composition and evaluate its efficacy using in vitro, ex vivo, and in vivo experimental models covering diverse medical fields, including but not limited to immunology, orthopedics, maxillofacial medicine, neurology, and cardiology.

Dr. Chiara Giannasi
Guest Editor

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Keywords

  • mesenchymal stem cells
  • secretome
  • extracellular vesicles
  • conditioned medium
  • cell-free therapeutics
  • regeneration
  • immunomodulation
  • inflammation

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Published Papers (1 paper)

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16 pages, 670 KB  
Brief Report
Comparative Effects of Dexamethasone and ASC Secretome in an Ex Vivo Osteoarthritis Co-Culture Model
by Elena Della Morte, Francesca Cadelano, Andrea Pasquini, Luigi Zagra, Alessandro Baj, Chiara Giannasi and Stefania Niada
Biology 2026, 15(6), 493; https://doi.org/10.3390/biology15060493 - 20 Mar 2026
Viewed by 526
Abstract
Osteoarthritis (OA) is a multifactorial disease characterized by inflammation, extracellular matrix remodeling, and joint degeneration, and it still lacks disease-modifying treatments. Here, we applied an ex vivo OA model based on transwell co-cultures of cartilage and synovial membrane explants harvested from OA patients [...] Read more.
Osteoarthritis (OA) is a multifactorial disease characterized by inflammation, extracellular matrix remodeling, and joint degeneration, and it still lacks disease-modifying treatments. Here, we applied an ex vivo OA model based on transwell co-cultures of cartilage and synovial membrane explants harvested from OA patients to compare the effects of adipose-derived stem/stromal cell (ASC) conditioned medium (CM) with dexamethasone (DEX), a clinically used corticosteroid. Explants were treated for 48 h with 100 nM DEX, CM derived from 5 × 105 ASCs, or left untreated. Outcomes included gene and protein expression of key mediators, metalloprotease and aggrecanase activities, and nitric oxide release. DEX significantly reduced inflammatory markers (e.g., PTGS, IL-1β, and IDO) and VEGF expression in both tissues, while CM did not elicit consistent anti-inflammatory effects. Regarding matrix remodeling, both treatments reduced metalloprotease activity, with DEX modulating MMP3 and MMP13 expression in both tissues and CM reducing only MMP3 expression in cartilage while presenting high levels of TIMP-1. These results confirm the robustness of the model, demonstrated by reproducible responses to DEX and its high-throughput potential, and underscore the need for mechanistic studies to optimize novel biotherapeutics. Full article
(This article belongs to the Special Issue Advancements in Mesenchymal Stem Cell-Derived Secretome)
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