Evidence map›Paper›PMID 29751821›Full record

ArticleStem cell research & therapy2018

Improved GMP compliant approach to manipulate lipoaspirates, to cryopreserve stromal vascular fraction, and to expand adipose stem cells in xeno-free media.

Francesco Agostini, Francesca Maria Rossi, Donatella Aldinucci, Monica Battiston, Elisabetta Lombardi, Stefania Zanolin, Samuele Massarut, Pier Camillo Parodi, Alessandro Da Ponte, Giovanni Tessitori and 3 more

Open access · goldAbstract read
In one paragraph

Article in Stem cell research & therapy, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed, 2 pooled it
3.3field-weighted citation impact, top 7% of its field
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

42 citing papers in PubMed, 2 syntheses or guidelines pooled it, 54 citations in OpenAlex.

  1. Pooled it
  2. Comparing mechanical and enzymatic isolation procedures to isolate adipose-derived stromal vascular fraction: A systematic review.Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society
    Pooled it
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  17. Frontiers in immunology · 2024
    Article
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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

13 authors at 5 institutions in 3 countries.

Francesco AgostiniStem Cell Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Francesca Maria RossiClinical-Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Donatella AldinucciMolecular Oncology Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Monica BattistonStem Cell Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Elisabetta LombardiStem Cell Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Stefania ZanolinStem Cell Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Samuele MassarutBreast Surgery Unit; CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Pier Camillo ParodiDepartment of Plastic and Reconstructive Surgery, University of Udine, Udine, Italy.
Alessandro Da PonteStem Cell Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Giovanni TessitoriCytogenetic Unit, AAS 5 Friuli Occidentale, "S. Maria degli Angeli" Hospital, Pordenone, Italy.
Barbara PivettaCytogenetic Unit, AAS 5 Friuli Occidentale, "S. Maria degli Angeli" Hospital, Pordenone, Italy.
Cristina DuranteStem Cell Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy.
Mario MazzucatoStem Cell Unit, CRO Aviano National Cancer Institute, Aviano, PN, Italy. mmazzucato@cro.it.ORCID 0000-0001-8319-053X
Centro di Riferimento Oncologico · ITAzienda Ospedaliera Santa Maria Degli Angeli · ITBreast Center · CHNational Cancer Institute · UAUniversity of Udine · IT

Funding

Italian Ministry of Health RF 2010 2317993
6 · The paper itself

Abstract

backgroundThe stromal vascular fraction (SVF) derived from adipose tissue contains adipose-derived stromal/stem cells (ASC) and can be used for regenerative applications. Thus, a validated protocol for SVF isolation, freezing, and thawing is required to manage product administration. To comply with Good Manufacturing Practice (GMP), fetal bovine serum (FBS), used to expand ASC in vitro, could be replaced by growth factors from platelet concentrates.

methodsThroughout each protocol, GMP-compliant reagents and devices were used. SVF cells were isolated from lipoaspirates by a standardized enzymatic protocol. Cells were cryopreserved in solutions containing different albumin or serum and dimethylsulfoxide (DMSO) concentrations. Before and after cryopreservation, we analyzed: cell viability (by Trypan blue); immunophenotype (by flow cytometry); colony-forming unit-fibroblast (CFU-F) formation; and differentiation potential. ASC, seeded at different densities, were expanded in presence of 10% FBS or 5% supernatant rich in growth factors (SRGF) from platelets. The differentiation potential and cell transformation grade were tested in expanded ASC.

resultsWe demonstrated that SVF can be obtained with a consistent yield (about 185 × 10

conclusionsThis paper reports a GMP-compliant approach for freezing SVF cells isolated from adipose tissue by a standardized protocol. Moreover, an ASC expansion method in controlled culture conditions and without involvement of animal-derived additives was reported.

Indexed as

Adipose TissueCell DifferentiationCells, CulturedCryopreservationHumansAdipose stem/stromal stem cellsAdipose tissueAdvanced therapy medicinal productAnchorage independent growthCell morphologyCell viabilityCFU-FDifferentiation potentialFreezing protocolGood manufacturing practiceGrowth rateImmunophenotype characterizationKaryotypeStromal vascular fraction

Identifiers

PMID29751821
PMCPMC5948766
OpenAlexW2806174774

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.