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Gray-level co-occurrence matrix analysis of chromatin architecture in periportal and perivenous hepatocytes

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Abstract

Periportal hepatocytes (PPHs) and perivenous hepatocytes (PVHs) in standard optical microscopy appear to be morphologically identical. However, the functional properties of these two cell populations and their roles in liver lobules are not the same. Despite significant differences in gene expression between these two hepatocyte populations, it is still unclear whether the differences are present at the higher levels of chromatin organization. In this study, we present results, indicating that periportal and perivenous hepatocytes, when stained using toluidine blue histological dye, have different chromatin textural patterns quantified with gray-level co-occurrence matrix (GLCM) method. Hepatic tissue was obtained from ten male, healthy mice. Chromatin structures were analyzed using GLCM. For each structure, we measured the values of angular second moment, inverse difference moment, GLCM Contrast, GLCM Variance, and GLCM Sum Variance. The results indicate that there is a statistically significant difference in all GLCM mathematical parameters except the contrast. In addition, some chromatin GLCM features were in correlation with serum aminotransferase levels in perivenous, but not in periportal hepatocytes. To the best of our knowledge, this is the first study to test the nuclear morphological differences between hepatocytes using GLCM and to investigate the respective relation with serum liver enzymes.

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Acknowledgements

The authors are grateful to the project 92018 of the Mediterranean Society for Metabolic Syndrome, Diabetes and Hypertension in Pregnancy DEGU (Dr. Igor Pantic, principal author of this manuscript, is the Head of the project), as well as to the projects of the Ministry of Education and Science, Republic of Serbia (projects 175015, 175059, and 41027). Prof. Igor Pantic is also grateful to NSF Center for Advanced Knowledge Enablement, Miami, FL, USA (I. Pantic is an external research associate). The authors are also grateful to Tatijana Paunovic, MA from University of Craiova, for her valuable help for English translation and writing of manuscript.

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Correspondence to Igor Pantic.

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Paunovic, J., Vucevic, D., Radosavljevic, T. et al. Gray-level co-occurrence matrix analysis of chromatin architecture in periportal and perivenous hepatocytes. Histochem Cell Biol 151, 75–83 (2019). https://doi.org/10.1007/s00418-018-1714-5

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  • DOI: https://doi.org/10.1007/s00418-018-1714-5

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