Marina Prišlin Šimac, Šimun Naletilić, Vjekoslava Kostanić, Valentina Kunić, Tomaž Mark Zorec, Mario Poljak, Doroteja Vlaj, Rok Kogoj, Nenad Turk, Dragan Brnić
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引用次数: 0
Abstract
Background: Canine adipose-derived mesenchymal stem cells (cAD-MSCs) demonstrate promising tissue repair and regeneration capabilities. However, the procurement and preservation of these cells or their secreted factors for therapeutic applications pose a risk of viral contamination, and the consequences for cAD-MSCs remain unexplored. Consequently, this research sought to assess the impact of canid alphaherpesvirus 1 (CHV) on the functional attributes of cAD-MSCs, including gene expression profiles and secretome composition.
Methods: To this end, abdominal adipose tissue from 12 healthy dogs was harvested to isolate cAD-MSCs. These samples were tested for CHV contamination before introducing a wild-type CHV strain via serial passages. Following CHV infection, real-time reverse transcription-polymerase chain reaction array and liquid chromatography with tandem mass spectrometry assessments enabled analyses of gene expression and secretome's proteomic profile, respectively.
Results: This study showed that the initial cAD-MSC populations were devoid of CHV. cAD-MSCs showed susceptibility to infection with wild-type CHV, leading to notable modifications in gene expression and secretome profile. The observed genomic variations in gene expression indicate potential impacts on the stemness, migration, and other functional properties of cAD-MSCs, highlighting the need for further studies to evaluate their functional capacity post-infection. Moreover, gene expression and secretome analyses suggest a shift in stem cell differentiation toward an adipogenic phenotype.
Conclusion: To the best of our knowledge, this is the first study of the effects of virus infection on gene expression and secretome composition in cAD-MSCs. The outcomes of our study underscore the imperative of routine viral screening prior to the therapeutic use of cAD-MSCs. Moreover, these findings provide novel insights into the pathogenic mechanisms of CHV and pave the way for future canine stem cell and virus research.
期刊介绍：
Virology Journal is an open access, peer reviewed journal that considers articles on all aspects of virology, including research on the viruses of animals, plants and microbes. The journal welcomes basic research as well as pre-clinical and clinical studies of novel diagnostic tools, vaccines and anti-viral therapies.
The Editorial policy of Virology Journal is to publish all research which is assessed by peer reviewers to be a coherent and sound addition to the scientific literature, and puts less emphasis on interest levels or perceived impact.
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