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Culturing of diagnostic muscle biopsies as spheroid-like structures: a pilot study of morphology and viability
Linköping University, Department of Clinical and Experimental Medicine, Neurology. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Neurology. Linköping University, Faculty of Health Sciences.
Östergötlands Läns Landsting, Local Health Care Services in Central Östergötland, Department of Neurology.
Linköping University, Department of Clinical and Experimental Medicine, Clinical Immunology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Center for Diagnostics, Department of Clinical Immunology and Transfusion Medicine.
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2010 (English)In: Neurological Research, ISSN 0161-6412, E-ISSN 1743-1328, Vol. 32, no 6, 650-655 p.Article in journal (Refereed) Published
Abstract [en]

Objective: The aim of this study was to establish three-dimensional cultures originating from muscle biopsies and evaluate the viability and morphology. Method: Muscle biopsies from patients with suspected neuromuscular disorders were obtained and established as primary muscle tissue cultures. Tissue pieces, 1-2 mm of diameters, were placed in culture medium and subjected to sporadic stirring to prevent attachment and outgrowth as monolayer cells. Morphology and ability to attach to the surface were investigated by light microscopy. Viability was evaluated by Tc-99m-tetrofosmin uptake. After 1 month, histology was evaluated by light microscopy and immunocytochemistry. The findings of a healthy muscle and a dystrophic muscle were compared. Results: Initially, the tissue pieces were unshaped but formed spheroid-like structures during the culture period. For dystrophic muscle, attachment capacity to the surface was initially potent and decreased during the culture period, whereas control muscle showed weak attachment from the start that increased during the culture period. The uptake of Tc-99m-tetrofosmin increased in control muscle, while it decreased in dystrophic muscle, during the culture period. The histological investigation demonstrated larger destruction of myofiber, weaker satellite cell activation and reduced myofiber regeneration in the dystrophic muscle as compared to the control muscle. Conclusion: The cellular components of the muscle tissue can survive and proliferate as spheroid-like primary cultures. The cellular composition resembles the in vivo condition, which allows studies of degeneration of the original fibers, and activation and proliferation of the satellite cells. The culture system may provide better understanding of the degeneration and regeneration processes in different muscle disorders and allow investigations of pharmacological interventions.

Place, publisher, year, edition, pages
Forefront Publishing Group , 2010. Vol. 32, no 6, 650-655 p.
Keyword [en]
Muscle biopsy; primary tissue culture; spheroid-like structure
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-58289DOI: 10.1179/016164109X12464612122579ISI: 000279001300013OAI: oai:DiVA.org:liu-58289DiVA: diva2:337907
Available from: 2010-08-10 Created: 2010-08-09 Last updated: 2017-08-30

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Gati, IstvanDanielsson, OlofErnerudh, JanÖllinger, KarinDizdar, Nil

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Gati, IstvanDanielsson, OlofErnerudh, JanÖllinger, KarinDizdar, Nil
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NeurologyFaculty of Health SciencesDepartment of NeurologyClinical ImmunologyDepartment of Clinical Immunology and Transfusion MedicineExperimental PathologyDepartment of Clinical Pathology and Clinical Genetics
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