alexa Formation of Cell-To-Cell Connection between Bone Marro
ISSN: 2157-7013

Journal of Cell Science & Therapy
Open Access

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Research Article

Formation of Cell-To-Cell Connection between Bone Marrow Cells and Isolated Rat Cardiomyocytes in a Cocultivation Model

Josef Skopalik1, Michal Pasek2,5, Milan Rychtarik3, Zdenek Koristek1, Evagabrielova4, Peter Scheer1, Peter Matejovic3, Martinmodriansky4 and Martin Klabusay1*

1Integrated Center of Cellular Therapy and Regenerative Medicine, International Clinical Research Center, St. Anne’s University Hospital, Brno, Czech Republic

2Department of Physiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic

3Department of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Brno, Czech Republic

4Department of Medical Chemistry and Biochemistry, Palacky University, Olomouc, Czech Republic

5Institute of Thermomechanics, Academy of Science, Brno, Czech Republic

*Corresponding Author:
Martin Klabusay
Integrated Center of Cellular Therapy and Regenerative Medicine
International Clinical Research Center
Saint Anne’s University Hospital Pekarská 53
Brno 656 91, Czech Republic
Tel: +420603167625
Fax: +420543182002
E-mail: [email protected]

Received Date: October 03, 2014; Accepted Date: November 11, 2014; Published Date: November 13, 2014

Citation: Skopalik J, Pasek M, Rychtarik M, Koristek Z, Evagabrielova, et al. (2014) Formation of Cell-To-Cell Connection between Bone Marrow Cells and Isolated Rat Cardiomyocytes in a Cocultivation Model. J Cell Sci Ther 5:185. doi: 10.4172/2157-7013.1000185

Copyright: © 2014 Skopalik J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Aims: Limited regenerative potential of cardiomyocytes (CMs) causes irreversible changes in heart tissue during pathological processes. However bone marrow mononuclear cells (BM-MNCs) can migrate to this tissue, incorporate to the area of dead or missing myocytes, and improve the global heart function. The mechanism of BMMSCs’ incorporation and interaction with CMs is not clear. Our aim was to create an in vitro model which would enable to study the interaction of BM-MNCs with CMs and to make a microscopy description of these interactions.

Methods and Results: CMs were isolated from adult and newborn rats. BM-MNCs were isolated from bone marrow. BM-MNCs were added to the myocyte culture. Cell-to-cell adherence and Cx43 expression were evaluated by fluorescence microscopy, Ca2+ transients were evaluated in cardiomyocyte-BMC communication under electrical stimulation by fluo-4 fluorescence measurement. Analysis of calcein transport from BM-MNCs to CMs was performed using fluorescence microscopy.

Conclusions: The adherence of BM-MNCs to CMs occurred quickly and was stable. Cx43 was detected in contact zones between BM-MNCs and CMs; pairs which displayed Cx43 positivity represented less than 1% from all BM-MNC-cardiomyocyte pairs in the coculture. Conductive structures between CMs and BM-MNCs were formed and verified by imaging calcein transfer and synchronous Ca2+ transients.

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