Intra-articular delivery of adipose derived stromal cells attenuates osteoarthritis progression in an experimental rabbit model

Giovanna Desando, Carola Cavallo, Federica Sartoni, Lucia Martini, Annapaola Parrilli, Francesca Veronesi, Milena Fini, Roberto Giardino, Andrea Facchini, Brunella Grigolo

Research output: Contribution to journalArticle

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Abstract

Introduction: Cell therapy is a rapidly growing area of research for the treatment of osteoarthritis (OA). This work is aimed to investigate the efficacy of intra-articular adipose-derived stromal cell (ASC) injection in the healing process on cartilage, synovial membrane and menisci in an experimental rabbit model.Methods: The induction of OA was performed surgically through bilateral anterior cruciate ligament transection (ACLT) to achieve eight weeks from ACLT a mild grade of OA. A total of 2 × 106 and 6 × 106 autologous ASCs isolated from inguinal fat, expanded in vitro and suspended in 4% rabbit serum albumin (RSA) were delivered in the hind limbs; 4% RSA was used as the control. Local bio-distribution of the cells was verified by injecting chloro-methyl-benzamido-1,1'-dioctadecyl-3,3,3'3'-tetra-methyl-indo-carbocyanine per-chlorate (CM-Dil) labeled ASCs in the hind limbs. Cartilage and synovial histological sections were scored by Laverty's scoring system to assess the severity of the pathology. Protein expression of some extracellular matrix molecules (collagen I and II), catabolic (metalloproteinase-1 and -3) and inflammatory (tumor necrosis factor- α) markers were detected by immunohistochemistry. Assessments were carried out at 16 and 24 weeks.Results: Labeled-ASCs were detected unexpectedly in the synovial membrane and medial meniscus but not in cartilage tissue at 3 and 20 days from ASC-treatment. Intra-articular ASC administration decreases OA progression and exerts a healing contribution in the treated animals in comparison to OA and 4% RSA groups.Conclusions: Our data reveal a healing capacity of ASCs in promoting cartilage and menisci repair and attenuating inflammatory events in synovial membrane inhibiting OA progression. On the basis of the local bio-distribution findings, the benefits obtained by ASC treatment could be due to a trophic mechanism of action by the release of growth factors and cytokines.

Original languageEnglish
Article numberR22
JournalArthritis Research and Therapy
Volume15
Issue number1
DOIs
Publication statusPublished - Jan 29 2013

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Stromal Cells
Osteoarthritis
Theoretical Models
Joints
Rabbits
Cartilage
Synovial Membrane
Serum Albumin
Anterior Cruciate Ligament
Extremities
Carbocyanines
Chlorates
Tibial Meniscus
Groin
Metalloproteases
Cell- and Tissue-Based Therapy
Extracellular Matrix
Intercellular Signaling Peptides and Proteins
Collagen
Therapeutics

ASJC Scopus subject areas

  • Rheumatology
  • Immunology
  • Immunology and Allergy
  • Medicine(all)

Cite this

Intra-articular delivery of adipose derived stromal cells attenuates osteoarthritis progression in an experimental rabbit model. / Desando, Giovanna; Cavallo, Carola; Sartoni, Federica; Martini, Lucia; Parrilli, Annapaola; Veronesi, Francesca; Fini, Milena; Giardino, Roberto; Facchini, Andrea; Grigolo, Brunella.

In: Arthritis Research and Therapy, Vol. 15, No. 1, R22, 29.01.2013.

Research output: Contribution to journalArticle

Desando, Giovanna ; Cavallo, Carola ; Sartoni, Federica ; Martini, Lucia ; Parrilli, Annapaola ; Veronesi, Francesca ; Fini, Milena ; Giardino, Roberto ; Facchini, Andrea ; Grigolo, Brunella. / Intra-articular delivery of adipose derived stromal cells attenuates osteoarthritis progression in an experimental rabbit model. In: Arthritis Research and Therapy. 2013 ; Vol. 15, No. 1.
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abstract = "Introduction: Cell therapy is a rapidly growing area of research for the treatment of osteoarthritis (OA). This work is aimed to investigate the efficacy of intra-articular adipose-derived stromal cell (ASC) injection in the healing process on cartilage, synovial membrane and menisci in an experimental rabbit model.Methods: The induction of OA was performed surgically through bilateral anterior cruciate ligament transection (ACLT) to achieve eight weeks from ACLT a mild grade of OA. A total of 2 × 106 and 6 × 106 autologous ASCs isolated from inguinal fat, expanded in vitro and suspended in 4{\%} rabbit serum albumin (RSA) were delivered in the hind limbs; 4{\%} RSA was used as the control. Local bio-distribution of the cells was verified by injecting chloro-methyl-benzamido-1,1'-dioctadecyl-3,3,3'3'-tetra-methyl-indo-carbocyanine per-chlorate (CM-Dil) labeled ASCs in the hind limbs. Cartilage and synovial histological sections were scored by Laverty's scoring system to assess the severity of the pathology. Protein expression of some extracellular matrix molecules (collagen I and II), catabolic (metalloproteinase-1 and -3) and inflammatory (tumor necrosis factor- α) markers were detected by immunohistochemistry. Assessments were carried out at 16 and 24 weeks.Results: Labeled-ASCs were detected unexpectedly in the synovial membrane and medial meniscus but not in cartilage tissue at 3 and 20 days from ASC-treatment. Intra-articular ASC administration decreases OA progression and exerts a healing contribution in the treated animals in comparison to OA and 4{\%} RSA groups.Conclusions: Our data reveal a healing capacity of ASCs in promoting cartilage and menisci repair and attenuating inflammatory events in synovial membrane inhibiting OA progression. On the basis of the local bio-distribution findings, the benefits obtained by ASC treatment could be due to a trophic mechanism of action by the release of growth factors and cytokines.",
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AU - Desando, Giovanna

AU - Cavallo, Carola

AU - Sartoni, Federica

AU - Martini, Lucia

AU - Parrilli, Annapaola

AU - Veronesi, Francesca

AU - Fini, Milena

AU - Giardino, Roberto

AU - Facchini, Andrea

AU - Grigolo, Brunella

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AB - Introduction: Cell therapy is a rapidly growing area of research for the treatment of osteoarthritis (OA). This work is aimed to investigate the efficacy of intra-articular adipose-derived stromal cell (ASC) injection in the healing process on cartilage, synovial membrane and menisci in an experimental rabbit model.Methods: The induction of OA was performed surgically through bilateral anterior cruciate ligament transection (ACLT) to achieve eight weeks from ACLT a mild grade of OA. A total of 2 × 106 and 6 × 106 autologous ASCs isolated from inguinal fat, expanded in vitro and suspended in 4% rabbit serum albumin (RSA) were delivered in the hind limbs; 4% RSA was used as the control. Local bio-distribution of the cells was verified by injecting chloro-methyl-benzamido-1,1'-dioctadecyl-3,3,3'3'-tetra-methyl-indo-carbocyanine per-chlorate (CM-Dil) labeled ASCs in the hind limbs. Cartilage and synovial histological sections were scored by Laverty's scoring system to assess the severity of the pathology. Protein expression of some extracellular matrix molecules (collagen I and II), catabolic (metalloproteinase-1 and -3) and inflammatory (tumor necrosis factor- α) markers were detected by immunohistochemistry. Assessments were carried out at 16 and 24 weeks.Results: Labeled-ASCs were detected unexpectedly in the synovial membrane and medial meniscus but not in cartilage tissue at 3 and 20 days from ASC-treatment. Intra-articular ASC administration decreases OA progression and exerts a healing contribution in the treated animals in comparison to OA and 4% RSA groups.Conclusions: Our data reveal a healing capacity of ASCs in promoting cartilage and menisci repair and attenuating inflammatory events in synovial membrane inhibiting OA progression. On the basis of the local bio-distribution findings, the benefits obtained by ASC treatment could be due to a trophic mechanism of action by the release of growth factors and cytokines.

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