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Biology
Isolamento e identificazione di cellule staminali mesenchimali derivate dal tessuto adiposo di ra...
Isolamento e identificazione di cellule staminali mesenchimali derivate dal tessuto adiposo di ra...
JoVE Journal
Biology
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JoVE Journal Biology
Isolation and Identification of Mesenchymal Stem Cells Derived from Adipose Tissue of Sprague Dawley Rats

Isolamento e identificazione di cellule staminali mesenchimali derivate dal tessuto adiposo di ratti Sprague Dawley

Full Text
4,140 Views
10:50 min
April 7, 2023

DOI: 10.3791/65172-v

Aymé Oliva Cárdenas1,2, Blanca C. Zamora-Rodríguez2, Kevin A. Batalla-García2, Alejandro Ávalos-Rodríguez3, Alejandra Contreras-Ramos4, Clara Ortega-Camarillo2

1Doctorado en Ciencias Biológicas y de la Salud,Universidad Autónoma Metropolitana, 2Medical Research Unit in Biochemistry, Specialties Hospital, National Medical Center SXXI,Instituto Mexicano de Seguro Social, 3Department of Agricultural and Animal Production, Division of Biological and Health Science,Universidad Autónoma Metropolitana-Xochimilco, 4Molecular Biology Research Laboratory, Center for Congenital Malformations,Children Hospital of Mexico Federico Gomez (HIMFG)

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Overview

This study presents a protocol for isolating and characterizing adipose tissue-derived mesenchymal stem cells (MSCs) from Sprague Dawley rats. These MSCs possess significant potential for application in therapies aimed at pancreatic regeneration and the treatment of diabetes.

Key Study Components

Research Area

  • Mesenchymal stem cells
  • Cell therapies for diabetes
  • Pancreatic tissue regeneration

Background

  • The role of MSCs in cellular communication
  • Paracrine functions of stem cells
  • Current challenges in cellular therapy for diabetes

Methods Used

  • Isolation and identification of adipose-derived mesenchymal stem cells
  • Use of Sprague Dawley rats
  • Functional assessments of stem cells

Main Results

  • Successful isolation of MSCs with expected morphological and immunophenotypical characteristics
  • Utilization of stem cells for evaluating diabetes-related therapies
  • Contribution of miRNAs to pancreatic tissue degeneration

Conclusions

  • The study confirms the potential of adipose MSCs in cellular therapy for pancreatic diseases.
  • This research enhances understanding of diabetes treatment strategies using stem cells.

Frequently Asked Questions

What are mesenchymal stem cells?
Mesenchymal stem cells are multipotent stem cells capable of differentiating into various cell types and are known for their roles in healing and tissue regeneration.
Why use adipose tissue for isolating stem cells?
Adipose tissue is an abundant source of mesenchymal stem cells and is relatively easier to procure than other stem cell sources.
How do MSCs contribute to diabetes therapies?
MSCs can participate in tissue repair and regeneration processes, which may help to restore insulin production and improve glucose metabolism in diabetic patients.
What role do miRNAs play in this research?
miRNAs are investigated for their contributions to pancreatic tissue degeneration, particularly under oxidative stress conditions.
What is the significance of paracrine function in MSCs?
Paracrine signaling allows MSCs to communicate with other cells, influencing their behavior and promoting repair processes.
What technologies are used in this study?
Techniques like microarrays and next-generation sequencing are employed to study the functions of miRNAs and their impact on cellular processes.
What are the implications of this research?
This research provides insight into enhancing cell therapy strategies for diabetes, ultimately aiming to improve patient outcomes through regenerative medicine.

Questo protocollo descrive una metodologia per isolare e identificare le cellule staminali mesenchimali (MSC) derivate dal tessuto adiposo da ratti Sprague Dawley.

Le cellule staminali mesenchimali hanno un ruolo molto ampio nella comunicazione cellulare a causa della loro funzione paracrina. Questo protocollo ottiene cellule staminali mesenchimali di derivazione adiposa con funzionalità morfologiche, immunofenotipiche e adeguate da utilizzare nello studio di terapie per la rigenerazione pancreatica e il diabete. C'è stato un aumento dell'uso di terapie cellulari nel trattamento del diabete.

Queste terapie includono trapianti allogenici di cellule pancreatiche, prodotti derivati da cellule staminali autologhe di cellule produttrici di insulina e tessuto pancreatico stampato in 3D utilizzando inchiostri biologici. La maggior parte delle ricerche ha studiato principalmente i componenti del secretoma e il ruolo nella regolazione di diversi processi cellulari. Nuove tecniche come i microarray e il sequenziamento di prossima generazione possono studiare la funzione dei miRNA.

Una sfida in quest'area è quella di ottenere una maggiore stimolazione delle cellule mesenchimali, raggiungendo una precisa composizione molecolare nel secretoma e indirizzandolo al trattamento di una condizione specifica. Valuteremo come un miRNA contribuisce alla degenerazione del tessuto pancreatico esposto allo stress ossidativo. Lo studio comporterà l'utilizzo di cellule staminali dal tessuto adiposo.

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Biologia Numero 194

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