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Szymański M, Bonowicz K, Antosik P, Jerka D, Głowacka M, Soroka M, Steinbrink K, Kleszczyński K, Gagat M. Role of Cyclins and Cytoskeletal Proteins in Endometriosis: Insights into Pathophysiology. Cancers (Basel) 2024; 16:836. [PMID: 38398227 PMCID: PMC10886501 DOI: 10.3390/cancers16040836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/21/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
Endometriosis is a gynecological condition where endometrium-like tissue grows outside the uterus, posing challenges in understanding and treatment. This article delves into the deep cellular and molecular processes underlying endometriosis, with a focus on the crucial roles played by cyclins and cytoskeletal proteins in its pathogenesis, particularly in the context of Epithelial-Mesenchymal Transition (EMT). The investigation begins by examining the activities of cyclins, elucidating their diverse biological roles such as cell cycle control, proliferation, evasion of apoptosis, and angiogenesis among ectopic endometrial cells. A comprehensive analysis of cytoskeletal proteins follows, emphasizing their fundamental biological roles and their specific significance to endometriotic cell features. This review sheds light on the interconnected pathways through which cyclins and cytoskeletal proteins converge, contributing to the genesis and progression of endometriosis. Understanding these molecular complexities not only provides insight into the underlying causes of the disease but also holds promise for the development of specific therapeutic approaches, ushering in a new era in the management of this devastating disorder.
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Affiliation(s)
- Marcin Szymański
- Department of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland; (M.S.); (K.B.); (D.J.)
| | - Klaudia Bonowicz
- Department of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland; (M.S.); (K.B.); (D.J.)
- Faculty of Medicine, Collegium Medicum, Mazovian Academy in Płock, 08-110 Płock, Poland; (M.G.); (M.S.)
| | - Paulina Antosik
- Department of Clinical Pathomorphology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland;
| | - Dominika Jerka
- Department of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland; (M.S.); (K.B.); (D.J.)
| | - Mariola Głowacka
- Faculty of Medicine, Collegium Medicum, Mazovian Academy in Płock, 08-110 Płock, Poland; (M.G.); (M.S.)
| | - Małgorzata Soroka
- Faculty of Medicine, Collegium Medicum, Mazovian Academy in Płock, 08-110 Płock, Poland; (M.G.); (M.S.)
| | - Kerstin Steinbrink
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (K.S.); (K.K.)
| | - Konrad Kleszczyński
- Department of Dermatology, University of Münster, Von-Esmarch-Str. 58, 48149 Münster, Germany; (K.S.); (K.K.)
| | - Maciej Gagat
- Department of Histology and Embryology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-092 Bydgoszcz, Poland; (M.S.); (K.B.); (D.J.)
- Faculty of Medicine, Collegium Medicum, Mazovian Academy in Płock, 08-110 Płock, Poland; (M.G.); (M.S.)
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Pikma ML, Ilisson M, Zalite R, Lavogina D, Haljasorg T, Mäeorg U. The effect of substituents on carbon–carbon double bond isomerization in heterocyclic hydrazine derivatives. Chem Heterocycl Compd (N Y) 2022. [DOI: 10.1007/s10593-022-03074-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lavogina D, Lust H, Tahk MJ, Laasfeld T, Vellama H, Nasirova N, Vardja M, Eskla KL, Salumets A, Rinken A, Jaal J. Revisiting the Resazurin-Based Sensing of Cellular Viability: Widening the Application Horizon. BIOSENSORS 2022; 12:bios12040196. [PMID: 35448256 PMCID: PMC9032648 DOI: 10.3390/bios12040196] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/20/2022] [Accepted: 03/24/2022] [Indexed: 05/08/2023]
Abstract
Since 1991, the NAD(P)H-aided conversion of resazurin to fluorescent resorufin has been widely used to measure viability based on the metabolic activity in mammalian cell culture and primary cells. However, different research groups have used divergent assay protocols, scarcely reporting the systematic optimization of the assay. Here, we perform extensive studies to fine-tune the experimental protocols utilizing resazurin-based viability sensing. Specifically, we focus on (A) optimization of the assay dynamic range in individual cell lines for the correct measurement of cytostatic and cytotoxic properties of the compounds; (B) dependence of the dynamic range on the physical quantity detected (fluorescence intensity versus change of absorbance spectrum); (C) calibration of the assay for the correct interpretation of data measured in hypoxic conditions; and (D) possibilities for combining the resazurin assay with other methods including measurement of necrosis and apoptosis. We also demonstrate the enhanced precision and flexibility of the resazurin-based assay regarding the readout format and kinetic measurement mode as compared to the widely used analogous assay which utilizes tetrazolium dye MTT. The discussed assay optimization guidelines provide useful instructions for the beginners in the field and for the experienced scientists exploring new ways for measurement of cellular viability using resazurin.
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Affiliation(s)
- Darja Lavogina
- Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia; (H.L.); (A.S.); (J.J.)
- Institute of Chemistry, University of Tartu, 50411 Tartu, Estonia; (M.-J.T.); (T.L.); (N.N.); (A.R.)
- Competence Centre on Health Technologies, 50411 Tartu, Estonia
- Correspondence: ; Tel.: +372-737-5296
| | - Helen Lust
- Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia; (H.L.); (A.S.); (J.J.)
| | - Maris-Johanna Tahk
- Institute of Chemistry, University of Tartu, 50411 Tartu, Estonia; (M.-J.T.); (T.L.); (N.N.); (A.R.)
| | - Tõnis Laasfeld
- Institute of Chemistry, University of Tartu, 50411 Tartu, Estonia; (M.-J.T.); (T.L.); (N.N.); (A.R.)
- Department of Computer Science, University of Tartu, 51009 Tartu, Estonia
| | - Hans Vellama
- Department of Physiology, Institute of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia; (H.V.); (K.-L.E.)
- Centre of Excellence for Genomics and Translational Medicine, University of Tartu, 51010 Tartu, Estonia
| | - Naila Nasirova
- Institute of Chemistry, University of Tartu, 50411 Tartu, Estonia; (M.-J.T.); (T.L.); (N.N.); (A.R.)
| | - Markus Vardja
- Department of Radiotherapy and Oncological Therapy, Tartu University Hospital, 50406 Tartu, Estonia;
| | - Kattri-Liis Eskla
- Department of Physiology, Institute of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia; (H.V.); (K.-L.E.)
- Centre of Excellence for Genomics and Translational Medicine, University of Tartu, 51010 Tartu, Estonia
| | - Andres Salumets
- Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia; (H.L.); (A.S.); (J.J.)
- Competence Centre on Health Technologies, 50411 Tartu, Estonia
- Division of Obstetrics and Gynaecology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, 14186 Stockholm, Sweden
| | - Ago Rinken
- Institute of Chemistry, University of Tartu, 50411 Tartu, Estonia; (M.-J.T.); (T.L.); (N.N.); (A.R.)
| | - Jana Jaal
- Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia; (H.L.); (A.S.); (J.J.)
- Department of Radiotherapy and Oncological Therapy, Tartu University Hospital, 50406 Tartu, Estonia;
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Simón-Gracia L, Kiisholts K, Petrikaitė V, Tobi A, Saare M, Lingasamy P, Peters M, Salumets A, Teesalu T. Homing Peptide-Based Targeting of Tenascin-C and Fibronectin in Endometriosis. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3257. [PMID: 34947606 PMCID: PMC8708492 DOI: 10.3390/nano11123257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/19/2021] [Accepted: 11/20/2021] [Indexed: 11/16/2022]
Abstract
The current diagnostic and therapeutic strategies for endometriosis are limited. Although endometriosis is a benign condition, some of its traits, such as increased cell invasion, migration, tissue inflammation, and angiogenesis are similar to cancer. Here we explored the application of homing peptides for precision delivery of diagnostic and therapeutic compounds to endometriotic lesions. First, we audited a panel of peptide phages for the binding to the cultured immortalized endometriotic epithelial 12Z and eutopic stromal HESC cell lines. The bacteriophages displaying PL1 peptide that engages with angiogenic extracellular matrix overexpressed in solid tumors showed the strongest binding to both cell lines. The receptors of PL1 peptide, tenascin C domain C (TNC-C) and fibronectin Extra Domain-B (Fn-EDB), were expressed in both cells. Silver nanoparticles functionalized with synthetic PL1 peptide showed specific internalization in 12Z and HESC cells. Treatment with PL1-nanoparticles loaded with the potent antimitotic drug monomethyl auristatin E decreased the viability of endometriotic cells in 2D and 3D cultures. Finally, PL1-nanoparticless bound to the cryosections of clinical peritoneal endometriotic lesions in the areas positive for TNC-C and Fn-EDB immunoreactivities and not to sections of normal endometrium. Our findings suggest potential applications for PL1-guided nanoparticles in precision diagnosis and therapy of endometriosis.
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Affiliation(s)
- Lorena Simón-Gracia
- Laboratory of Precision and Nanomedicine, Department of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia; (L.S.-G.); (A.T.); (P.L.)
| | - Kristina Kiisholts
- Competence Centre on Health Technologies, 50411 Tartu, Estonia; (K.K.); (M.S.); (M.P.); (A.S.)
| | - Vilma Petrikaitė
- Laboratory of Drug Target Histopathology, Institute of Cardiology, Lithuanian University of Health Sciences, 44307 Kaunas, Lithuania;
- Life Sciences Center, Institute of Biotechnology, Vilnius University, 10257 Vilnius, Lithuania
| | - Allan Tobi
- Laboratory of Precision and Nanomedicine, Department of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia; (L.S.-G.); (A.T.); (P.L.)
| | - Merli Saare
- Competence Centre on Health Technologies, 50411 Tartu, Estonia; (K.K.); (M.S.); (M.P.); (A.S.)
- Department of Obstetrics and Gynecology, Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia
| | - Prakash Lingasamy
- Laboratory of Precision and Nanomedicine, Department of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia; (L.S.-G.); (A.T.); (P.L.)
| | - Maire Peters
- Competence Centre on Health Technologies, 50411 Tartu, Estonia; (K.K.); (M.S.); (M.P.); (A.S.)
- Department of Obstetrics and Gynecology, Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia
| | - Andres Salumets
- Competence Centre on Health Technologies, 50411 Tartu, Estonia; (K.K.); (M.S.); (M.P.); (A.S.)
- Department of Obstetrics and Gynecology, Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia
- Institute of Genomics, University of Tartu, 51010 Tartu, Estonia
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, 14152 Stockholm, Sweden
| | - Tambet Teesalu
- Laboratory of Precision and Nanomedicine, Department of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia; (L.S.-G.); (A.T.); (P.L.)
- Center for Nanomedicine, Department of Cell, Molecular and Developmental Biology, University of California at Santa Barbara, Santa Barbara, CA 93106, USA
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Lavogina D, Laasfeld T, Vardja M, Lust H, Jaal J. Viability fingerprint of glioblastoma cell lines: roles of mitotic, proliferative, and epigenetic targets. Sci Rep 2021; 11:20338. [PMID: 34645858 PMCID: PMC8514540 DOI: 10.1038/s41598-021-99630-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 09/24/2021] [Indexed: 01/03/2023] Open
Abstract
Despite the use of multimodal treatment combinations, the prognosis of glioblastoma (GB) is still poor. To prevent rapid tumor recurrence, targeted strategies for the treatment of GB are widely sought. Here, we compared the efficacy of focused modulation of a set of signaling pathways in two GB cell lines, U-251 MG and T98-G, using a panel of thirteen compounds targeting cell cycle progression, proliferation, epigenetic modifications, and DNA repair mechanism. In parallel, we tested combinations of these compounds with temozolomide and lomustine, the standard chemotherapy agents used in GB treatment. Two major trends were found: within individual compounds, the lowest IC50 values were exhibited by the Aurora kinase inhibitors, whereas in the case of mixtures, the addition of DNA methyltransferase 1 inhibitor azacytidine to lomustine proved the most beneficial. The efficacy of cell cycle-targeting compounds was further augmented by combination with radiation therapy using two different treatment regimes. The potency of azacytidine and lomustine mixtures was validated using a unique assay pipeline that utilizes automated imaging and machine learning-based data analysis algorithm for assessment of cell number and DNA damage extent. Based on our results, the combination of azacytidine and lomustine should be tested in GB clinical trials.
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Affiliation(s)
- Darja Lavogina
- grid.10939.320000 0001 0943 7661Institute of Clinical Medicine, University of Tartu, L. Puusepa 8, 50406 Tartu, Estonia ,grid.10939.320000 0001 0943 7661Institute of Chemistry, University of Tartu, Tartu, Estonia
| | - Tõnis Laasfeld
- grid.10939.320000 0001 0943 7661Institute of Chemistry, University of Tartu, Tartu, Estonia ,grid.10939.320000 0001 0943 7661Department of Computer Science, University of Tartu, Tartu, Estonia
| | - Markus Vardja
- grid.412269.a0000 0001 0585 7044Department of Radiotherapy and Oncological Therapy, Tartu University Hospital, Tartu, Estonia
| | - Helen Lust
- grid.10939.320000 0001 0943 7661Institute of Clinical Medicine, University of Tartu, L. Puusepa 8, 50406 Tartu, Estonia
| | - Jana Jaal
- grid.10939.320000 0001 0943 7661Institute of Clinical Medicine, University of Tartu, L. Puusepa 8, 50406 Tartu, Estonia ,grid.412269.a0000 0001 0585 7044Department of Radiotherapy and Oncological Therapy, Tartu University Hospital, Tartu, Estonia
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Nonga OE, Lavogina D, Ivan T, Viht K, Enkvist E, Uri A. Discovery of strong inhibitory properties of a monoclonal antibody of PKA and use of the antibody and a competitive photoluminescent orthosteric probe for analysis of the protein kinase. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2020; 1868:140427. [PMID: 32283249 DOI: 10.1016/j.bbapap.2020.140427] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/01/2020] [Accepted: 04/07/2020] [Indexed: 11/16/2022]
Abstract
We show that the antibody, clone mAb(D38C6), of the α isoform of the catalytic subunit of PKA (PKAcα) inhibits the kinase-catalyzed phosphorylation with low-nanomolar inhibitory potency (Ki = 2.4 nM). This property of the antibody was established by its capacity to displace a synthetic small-molecule active site-binding (orthosteric) photoluminescent ARC-Lum(Fluo) probe from the complex with PKAcα. Likely, the competitiveness of association of the two binders with the protein is coming from two excluding conformations of PKAcα to which the binders bind. mAb(D38C6) possesses a linear peptide epitope and it binds to the disordered C-tail of unliganded inactive conformer of PKAcα. ARC-Lum(Fluo) probes bind to the ordered and active conformation of PKAcα with Phe327 residue from the C-tail taking part in the formation of the active core. Consecutive application of these competitive PKAcα binders was used to develop an immunoassay allowing the determination of PKAcα concentration in complex biological solutions. At first, PKAcα was captured from the solution by the isoform-specific antibody and thereafter a high-affinity ARC-Lum(Fluo) probe was used to displace PKAcα from the binary complex. The developed immunoassay could be used for quantification of small amounts (starting from 93 pg, 2.3 fmol) of PKAcα in cell lysates.
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Affiliation(s)
- Olivier Etebe Nonga
- Institute of Chemistry, University of Tartu, 14A Ravila St., 50411 Tartu, Estonia
| | - Darja Lavogina
- Institute of Chemistry, University of Tartu, 14A Ravila St., 50411 Tartu, Estonia
| | - Taavi Ivan
- Institute of Chemistry, University of Tartu, 14A Ravila St., 50411 Tartu, Estonia
| | - Kaido Viht
- Institute of Chemistry, University of Tartu, 14A Ravila St., 50411 Tartu, Estonia
| | - Erki Enkvist
- Institute of Chemistry, University of Tartu, 14A Ravila St., 50411 Tartu, Estonia
| | - Asko Uri
- Institute of Chemistry, University of Tartu, 14A Ravila St., 50411 Tartu, Estonia.
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