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Fizikova A, Subcheva E, Kozlov N, Tvorogova V, Samarina L, Lutova L, Khlestkina E. Agrobacterium Transformation of Tea Plants ( Camellia sinensis (L.) KUNTZE): A Small Experiment with Great Prospects. Plants (Basel) 2024; 13:675. [PMID: 38475520 DOI: 10.3390/plants13050675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/16/2024] [Accepted: 02/24/2024] [Indexed: 03/14/2024]
Abstract
Tea has historically been one of the most popular beverages, and it is currently an economically significant crop cultivated in over 50 countries. The Northwestern Caucasus is one of the northernmost regions for industrial tea cultivation worldwide. The domestication of the tea plant in this region took approximately 150 years, during which plantations spreading from the Ozurgeti region in northern Georgia to the southern city of Maykop in Russia. Consequently, tea plantations in the Northern Caucasus can serve as a source of unique genotypes with exceptional cold tolerance. Tea plants are known to be recalcitrant to Agrobacterium-mediated transfection. Research into optimal transfection and regeneration methodologies, as well as the identification of tea varieties with enhanced transformation efficiency, is an advanced strategy for improving tea plant culture. The aim of this study was to search for the optimal Agrobacterium tumefaciens-mediated transfection protocol for the Kolkhida tea variety. As a result of optimizing the transfection medium with potassium phosphate buffer at the stages of pre-inoculation, inoculation and co-cultivation, the restoration of normal morphology and improvement in the attachment of Agrobacterium cells to the surface of tea explants were observed by scanning electron microscopy. And an effective method of high-efficiency Agrobacteria tumefaciens-mediated transfection of the best local tea cultivar, Kolkhida, was demonstrated for the first time.
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Affiliation(s)
- Anastasia Fizikova
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 2/28, Yana Fabritsiusa Street, 354002 Sochi, Russia
| | - Elena Subcheva
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia
| | - Nikolay Kozlov
- Department of Genetics and Biotechnology, Saint Petersburg State University, Universitetskaya Emb 7/9, 199034 Saint-Petersburg, Russia
| | - Varvara Tvorogova
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia
- Department of Genetics and Biotechnology, Saint Petersburg State University, Universitetskaya Emb 7/9, 199034 Saint-Petersburg, Russia
| | - Lidia Samarina
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia
- Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences, 2/28, Yana Fabritsiusa Street, 354002 Sochi, Russia
| | - Ludmila Lutova
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia
- Department of Genetics and Biotechnology, Saint Petersburg State University, Universitetskaya Emb 7/9, 199034 Saint-Petersburg, Russia
| | - Elena Khlestkina
- Plant Biology and Biotechnology Department, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia
- N.I. Vavilov All-Russian Research Institute of Plant Genetic Resources (VIR), B. Morskaya Street, 42-44, 190000 St. Petersburg, Russia
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Gurtsieva D, Minskaia E, Zhuravleva S, Subcheva E, Sakhibgaraeva E, Brovin A, Tumaev A, Karabelsky A. Engineered AAV2.7m8 Serotype Shows Significantly Higher Transduction Efficiency of ARPE-19 and HEK293 Cell Lines Compared to AAV5, AAV8 and AAV9 Serotypes. Pharmaceutics 2024; 16:138. [PMID: 38276507 PMCID: PMC10818700 DOI: 10.3390/pharmaceutics16010138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
The level of transduction efficiency of the target retinal cells affects the choice of AAV serotype and the outcome of gene replacement therapy for inherited retinal diseases. This study focused on the tropism and transduction efficiency of AAV2.7m8-, AAV5-, AAV8-, and AAV9-GFP in ARPE-19 and HEK293 cells. Fluorescence intensity was assessed bi-hourly by means of IncuCyte S3 live imaging microscopy. Within 12 h, AAV2.7m8 demonstrated the highest transduction efficiency at four viral concentrations of 1-, 3-, 6-, and 8 × 104 VG/cell in a dose-dependent manner, followed by AAV5 in ARPE-19 and AAV9 in HEK293 cells. The transduction efficiency of AAV2.7m8 at a dose of 6 × 104 VG/cell was 21, 202, and 323 times higher in ARPE-19 cells and 324, 100, and 52 times higher in HEK293 cells compared to AAV5, AAV8, and AAV9, respectively. This trend remained for 4 days at all viral concentrations, as additionally shown by flow cytometry. At a dose of 6 × 104 VG/cell, AAV2.7m8 (97% GFP-positive cells, GFP +) was nearly two and 10 times as efficient as AAV5 (52% GFP+) and AAV9 or AAV8 (both 9%), respectively, in ARPE-19 cells. In HEK293 cells, 95% of AAV2.7m8-, 26% of AAV9-, 17% of AAV8-, and 12% of AAV5-transduced cells were GFP-positive.
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Ryapolova A, Minskaia E, Gasanov N, Moroz V, Krapivin B, Egorov AD, Laktyushkin V, Zhuravleva S, Nagornych M, Subcheva E, Malogolovkin A, Ivanov R, Karabelsky A. Development of Recombinant Oncolytic rVSV-mIL12-mGMCSF for Cancer Immunotherapy. Int J Mol Sci 2023; 25:211. [PMID: 38203382 PMCID: PMC10779112 DOI: 10.3390/ijms25010211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/15/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Anti-cancer therapy based on oncolytic viruses (OVs) is a targeted approach that takes advantage of OVs' ability to selectively infect and replicate in tumor cells, activate the host immune response, and destroy malignant cells over healthy ones. Vesicular stomatitis virus (VSV) is known for its wide range of advantages: a lack of pre-existing immunity, a genome that is easily amenable to manipulation, and rapid growth to high titers in a broad range of cell lines, to name a few. VSV-induced tumor immunity can be enhanced by the delivery of immunostimulatory cytokines. The targeted cytokine delivery to tumors avoids the significant toxicity associated with systemic delivery while also boosting the immune response. To demonstrate this enhanced effect on both tumor growth and survival, a novel recombinant VSV (rVSV)-mIL12-mGMCSF, co-expressing mouse IL-12 (interleukin-12) and GM-CSF (granulocyte-macrophage colony-stimulating factor), was tested alongside rVSV-dM51-GFP (rVSV-GFP) that was injected intratumorally in a syngeneic in vivo C57BL/6 mouse model infused subcutaneously with B16-F10 melanoma cells. The pilot study tested the effect of two viral injections 4 days apart and demonstrated that treatment with the two rVSVs resulted in partial inhibition of tumor growth (TGII of around 40%) and an increased survival rate in animals from the treatment groups. The effect of the two VSVs on immune cell populations will be investigated in future in vivo studies with an optimized experimental design with multiple higher viral doses, as a lack of this information presents a limitation of this study.
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Affiliation(s)
- Anastasia Ryapolova
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Ekaterina Minskaia
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Nizami Gasanov
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Vasiliy Moroz
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Bogdan Krapivin
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Alexander D. Egorov
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Victor Laktyushkin
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Sofia Zhuravleva
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Maksim Nagornych
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Elena Subcheva
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Alexander Malogolovkin
- Department of Molecular Virology, First Moscow State Medical University (Sechenov University), 20 Pirogovskaya, 119991 Moscow, Russia;
| | - Roman Ivanov
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
| | - Alexander Karabelsky
- Department of Gene Therapy, Sirius University of Science and Technology, Olympic Avenue, 1, 354340 Sochi, Russia; (A.R.); (N.G.); (V.M.); (B.K.); (A.D.E.); (V.L.); (S.Z.); (M.N.); (E.S.); (R.I.); (A.K.)
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