Abstract
Background
Galectins—galactose-specific lectins are involved in various types of cell activities, including apoptosis, cell cycle regulation, inflammation and cell transformation. Galectins are implicated in prostate malignat transformation. It is not known yet if prostate glands with different grade of pathologies are expressing different galectins and if these galectins express different effects on the cell viability.
Methods
Cytosolic galactose-spesific lectin fractions from prostate tissue with different diagnosis were purified by affinity chromatography and analyzed by electrophoresis in polyacrylamide gel electrophoresis with sodium dodecyl sulphate. The lectin effects in a source-dependent maner were studied on cell viability on peripheral lymphocytes by MTT reduction method and on apoptosis by flow cytometry method.
Results
Affinity purified galactose-specific lectins fractions from normal and pathological tissue samples are characterized with different protein composition and they express different effects on cell viability and apoptosis.
Conclusion
The effects of cytosolic galactose-specific lectins depend on the source of lectin fraction (glandular tissue disease). We suppose that the released cytosolic galectins from prostatic high grade intraepithelial neoplasia and adenocarcinoma tissue could suppress the immune status of the host patients.
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Data availability
The authors confirm that the data supporting the findings of this study are available within the article.
Code availability
Not applicable.
Abbreviations
- AAH:
-
Atypical adenomatous hyperplasia;
- BPH:
-
Benign prostate hyperplasia
- HGPIN:
-
High-grade intraepithelial neoplasia
- LGPIN:
-
Low-grade intraepithelial neoplasia
- PC:
-
Prostate adenocarcinoma
- post-op:
-
Post operation
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The authors confirm contribution to the paper as follows: data collection and preparation of the figures—GB and MK. Investigation of lectins’ effect on cell cycle—TT and NM. Supplying the prostate post-operational tissue for further observations and tissue analyzes—GK (Surgeon) and OT. Statistical analyzes, co-writing and revision of the manuscript—NK and RS. Supervision, writing of the manuscript, revision and preparation for the submission, corresponding author—ED.
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Approval for the use of the tissues was obtained from the local ethical committee at A. Tsulukidze Urology National Modern Center, Pathomorphology Laboratory at the 1st Clinical Hospital and Clinic of SJC "Modern Medical Technologies", and the patients' written consent. However, through dissemination process, we made sure that the patients' data protection system is firmly implemented and that no leakage of personal data or the results of the diagnosis, prognosis etc. into public domain takes place. This was insured through the implementation of modern guidelines of ethics and data protection as planned in this application. The study design was approved by the internal review board of the institution. The scientific research was carried out at Ivane Javakhishvili Tbilisi State University, Faculty of Exact and Natural Sciences, Department of Biology, in tight coordination of chairs of Biochemistry and Immunology/Microbiology. The ethical approval of the study as long as the guidelines followed to carry out the study was also obtained from National Center for disease control and public health (Institutional Review Board Letter 2021-069).
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Davitashvili, E., Burjanadze, G., Koshoridze, M. et al. Galactose specific lectins from prostate tissue with different pathologies: biochemical and cellular studies. Mol Biol Rep 49, 443–450 (2022). https://doi.org/10.1007/s11033-021-06894-w
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DOI: https://doi.org/10.1007/s11033-021-06894-w