Evidence map›Paper›PMID 34279481›Full record

ReviewJournal of clinical medicine2021

Alloreactive Immune Response Associated to Human Mesenchymal Stromal Cells Treatment: A Systematic Review.

Raquel Sanabria-de la Torre, María I Quiñones-Vico, Ana Fernández-González, Manuel Sánchez-Díaz, Trinidad Montero-Vílchez, Álvaro Sierra-Sánchez, Salvador Arias-Santiago

Abstract readReview
In one paragraph

Review in Journal of clinical medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed, 2 pooled it
–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

37 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  16. Biomaterials and cell-based therapy post spinal cord injury.Journal of translational medicine · 2025
    Review
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  19. Advancements in diabetes research and stem cell therapy: a concise review.Journal of diabetes and metabolic disorders · 2025
    Review
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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

7 authors.

Raquel Sanabria-de la TorreCell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, 18014 Granada, Spain.ORCID 0000-0002-3261-6745
María I Quiñones-VicoCell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, 18014 Granada, Spain.
Ana Fernández-GonzálezCell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, 18014 Granada, Spain.ORCID 0000-0001-6852-0836
Manuel Sánchez-DíazBiosanitary Institute of Granada (ibs.GRANADA), 18012 Granada, Spain.ORCID 0000-0002-3626-1558
Trinidad Montero-VílchezBiosanitary Institute of Granada (ibs.GRANADA), 18012 Granada, Spain.ORCID 0000-0003-4035-7955
Álvaro Sierra-SánchezCell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, 18014 Granada, Spain.ORCID 0000-0003-4511-408X
Salvador Arias-SantiagoCell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, 18014 Granada, Spain.

Funding

Research, Development and Innovation in Biomedicine and Health Sciences in Andalusia PIGE-0242-2019Research, Development and Innovation in Biomedicine and Health Sciences in Andalusia PIGE-0247-2019
6 · The paper itself

Abstract

The well-known immunomodulatory and regenerative properties of mesenchymal stromal cells (MSCs) are the reason why they are being used for the treatment of many diseases. Because they are considered hypoimmunogenic, MSCs treatments are performed without considering histocompatibility barriers and without anticipating possible immune rejections. However, recent preclinical studies describe the generation of alloantibodies and the immune rejection of MSCs. This has led to an increasing number of clinical trials evaluating the immunological profile of patients after treatment with MSCs. The objective of this systematic review was to evaluate the generation of donor specific antibodies (DSA) after allogeneic MSC (allo-MSC) therapy and the impact on safety or tolerability. Data from 555 patients were included in the systematic review, 356 were treated with allo-MSC and the rest were treated with placebo or control drugs. A mean of 11.51% of allo-MSC-treated patients developed DSA. Specifically, 14.95% of these patients developed DSA and 6.33% of them developed cPRA. Neither the production of DSA after treatment nor the presence of DSA at baseline (presensitization) were correlated with safety and/or tolerability of the treatment. The number of doses administrated and human leucocyte antigen (HLA) mismatches between donor and recipient did not affect the production of DSA. The safety of allo-MSC therapy has been proved in all the studies and the generation of alloantibodies might not have clinical relevance. However, there are very few studies in the area. More studies with adequate designs are needed to confirm these results.

Indexed as

adverse eventsalloantibodiesclinical trialsdonor specific antibodiesimmunogenicitymesenchymal stromal cellssafety

Identifiers

PMID34279481
PMCPMC8269175

What OpenQuestion holds

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Registered trials

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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 OpenQuestion graph.