1
|
Bogdanov A, Verlov N, Bogdanov A, Burdakov V, Semiletov V, Egorenkov V, Volkov N, Moiseyenko V. Tumor alkalization therapy: misconception or good therapeutics perspective? - the case of malignant ascites. Front Oncol 2024; 14:1342802. [PMID: 38390269 PMCID: PMC10881708 DOI: 10.3389/fonc.2024.1342802] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 01/24/2024] [Indexed: 02/24/2024] Open
Abstract
Tumor acidity has been identified as a key factor in promoting cancer progression, metastasis, and resistance. Tumor alkalization therapy has emerged as a potential strategy for cancer treatment. This article provides preclinical and clinical evidence for tumor alkalization therapy as a promising cancer treatment strategy. The potential of tumor alkalization therapy using sodium bicarbonate in the treatment of malignant ascites was studied. The concept of intraperitoneal perfusion with an alkalizing solution to increase the extracellular pH and its antitumor effect were explored. The significant extension in the overall survival of the Ehrlich ascites carcinoma mice treated with sodium bicarbonate solution compared to those treated with a sodium chloride solution was observed. In the sodium bicarbonate group, mice had a median survival of 30 days after tumor cell injection, which was significantly (p<0.05) different from the median survival of 18 days in the sodium chloride group and 14 days in the intact group. We also performed a case study of a patient with ovarian cancer malignant ascites resistant to previous lines of chemotherapy who underwent intraperitoneal perfusions with a sodium bicarbonate solution, resulting in a significant drop of CA-125 levels from 5600 U/mL to 2200 U/mL in and disappearance of ascites, indicating the potential effectiveness of the treatment. The preclinical and clinical results obtained using sodium bicarbonate perfusion in the treatment of malignant ascites represent a small yet significant contribution to the evolving field of tumor alkalization as a cancer therapy. They unequivocally affirm the good prospects of this concept.
Collapse
Affiliation(s)
- Alexey Bogdanov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Nikolay Verlov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Andrey Bogdanov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Vladimir Burdakov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Valeriy Semiletov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Vitaliy Egorenkov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Nikita Volkov
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| | - Vladimir Moiseyenko
- Napalkov Saint Petersburg Clinical Research and Practical Center of Specialized Types of Medical Care (Oncological), Saint Petersburg, Russia
| |
Collapse
|
2
|
Konoplev G, Agafonova D, Bakhchova L, Mukhin N, Kurachkina M, Schmidt MP, Verlov N, Sidorov A, Oseev A, Stepanova O, Kozyrev A, Dmitriev A, Hirsch S. Label-Free Physical Techniques and Methodologies for Proteins Detection in Microfluidic Biosensor Structures. Biomedicines 2022; 10:207. [PMID: 35203416 PMCID: PMC8868674 DOI: 10.3390/biomedicines10020207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/01/2022] [Accepted: 01/11/2022] [Indexed: 12/25/2022] Open
Abstract
Proteins in biological fluids (blood, urine, cerebrospinal fluid) are important biomarkers of various pathological conditions. Protein biomarkers detection and quantification have been proven to be an indispensable diagnostic tool in clinical practice. There is a growing tendency towards using portable diagnostic biosensor devices for point-of-care (POC) analysis based on microfluidic technology as an alternative to conventional laboratory protein assays. In contrast to universally accepted analytical methods involving protein labeling, label-free approaches often allow the development of biosensors with minimal requirements for sample preparation by omitting expensive labelling reagents. The aim of the present work is to review the variety of physical label-free techniques of protein detection and characterization which are suitable for application in micro-fluidic structures and analyze the technological and material aspects of label-free biosensors that implement these methods. The most widely used optical and impedance spectroscopy techniques: absorption, fluorescence, surface plasmon resonance, Raman scattering, and interferometry, as well as new trends in photonics are reviewed. The challenges of materials selection, surfaces tailoring in microfluidic structures, and enhancement of the sensitivity and miniaturization of biosensor systems are discussed. The review provides an overview for current advances and future trends in microfluidics integrated technologies for label-free protein biomarkers detection and discusses existing challenges and a way towards novel solutions.
Collapse
Affiliation(s)
- Georgii Konoplev
- Faculty of Electronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (D.A.); (A.S.); (O.S.); (A.K.)
| | - Darina Agafonova
- Faculty of Electronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (D.A.); (A.S.); (O.S.); (A.K.)
| | - Liubov Bakhchova
- Institute for Automation Technology, Otto-von-Guericke-University Magdeburg, 39106 Magdeburg, Germany;
| | - Nikolay Mukhin
- Faculty of Electronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (D.A.); (A.S.); (O.S.); (A.K.)
- Department of Engineering, University of Applied Sciences Brandenburg, 14770 Brandenburg an der Havel, Germany; (M.K.); (S.H.)
| | - Marharyta Kurachkina
- Department of Engineering, University of Applied Sciences Brandenburg, 14770 Brandenburg an der Havel, Germany; (M.K.); (S.H.)
| | - Marc-Peter Schmidt
- Faculty of Electrical Engineering, University of Applied Sciences Dresden, 01069 Dresden, Germany;
| | - Nikolay Verlov
- Molecular and Radiation Biophysics Division, Petersburg Nuclear Physics Institute Named by B.P. Konstantinov, National Research Centre Kurchatov Institute, 188300 Gatchina, Russia;
| | - Alexander Sidorov
- Faculty of Electronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (D.A.); (A.S.); (O.S.); (A.K.)
- Fuculty of Photonics, ITMO University, 197101 Saint Petersburg, Russia
| | - Aleksandr Oseev
- FEMTO-ST Institute, CNRS UMR-6174, University Bourgogne Franche-Comté, 25000 Besançon, France;
| | - Oksana Stepanova
- Faculty of Electronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (D.A.); (A.S.); (O.S.); (A.K.)
| | - Andrey Kozyrev
- Faculty of Electronics, Saint Petersburg Electrotechnical University “LETI”, 197376 Saint Petersburg, Russia; (D.A.); (A.S.); (O.S.); (A.K.)
| | - Alexander Dmitriev
- Department of Ecological Physiology, Federal State Budgetary Scientific Institution “Institute of Experimental Medicine” (FSBSI “IEM”), 197376 Saint Petersburg, Russia;
| | - Soeren Hirsch
- Department of Engineering, University of Applied Sciences Brandenburg, 14770 Brandenburg an der Havel, Germany; (M.K.); (S.H.)
| |
Collapse
|
3
|
Shtam T, Evtushenko V, Samsonov R, Zabrodskaya Y, Kamyshinsky R, Zabegina L, Verlov N, Burdakov V, Garaeva L, Slyusarenko M, Nikiforova N, Konevega A, Malek A. Evaluation of immune and chemical precipitation methods for plasma exosome isolation. PLoS One 2020; 15:e0242732. [PMID: 33232386 PMCID: PMC7685508 DOI: 10.1371/journal.pone.0242732] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 11/06/2020] [Indexed: 01/08/2023] Open
Abstract
Exosomes are a type of extracellular vesicles (EVs) secreted by multiple mammalian cell types and involved in intercellular communication. Numerous studies have explored the diagnostic and therapeutic potential of exosomes. The key challenge is the lack of efficient and standard techniques for isolation and downstream analysis of nanovesicles. Conventional isolation methods, such as ultracentrifugation, precipitation, filtration, chromatography, and immune-affinity-based approaches, rely on specific physical properties or on surface biomarkers. However, any of the existing methods has its limitations. Various parameters, such as efficacy, specificity, labor input, cost and scalability, and standardization options, must be considered for the correct choice of appropriate approach. The isolation of exosomes from biological fluids is especially challenged by the complex nature and variability of these liquids. Here, we present a comparison of five protocols for exosome isolation from human plasma: two chemical affinity precipitation methods (lectin-based purification and SubX™ technology), immunoaffinity precipitation, and reference ultracentrifugation-based exosome isolation method in two modifications. An approach for the isolation of exosomes based on the phenomenon of binding and aggregation of these particles via clusters of outer membrane phosphate groups in the presence of SubX™ molecules has been put forward in the present study. The isolated EVs were characterized based upon size, quantity, and protein content.
Collapse
Affiliation(s)
- Tatiana Shtam
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center "Kurchatov Institute", Gatchina, Russia
- N.N. Petrov National Medical Research Center of Oncology, St. Petersburg, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
- * E-mail: (TS); (AM)
| | - Vladimir Evtushenko
- Russian Scientific Center of Radiology and Surgical Technologies named by academician A.M. Granov, St. Petersburg, Russia
| | - Roman Samsonov
- N.N. Petrov National Medical Research Center of Oncology, St. Petersburg, Russia
- Russian Scientific Center of Radiology and Surgical Technologies named by academician A.M. Granov, St. Petersburg, Russia
| | - Yana Zabrodskaya
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center "Kurchatov Institute", Gatchina, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia
| | - Roman Kamyshinsky
- National Research Center “Kurchatov Institute”, Moscow, Russia
- Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, Moscow, Russia
| | - Lidia Zabegina
- N.N. Petrov National Medical Research Center of Oncology, St. Petersburg, Russia
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia
- Ltd Oncosystem, Skolkovo Innovation Center, Moscow, Russia
| | - Nikolay Verlov
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center "Kurchatov Institute", Gatchina, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
| | - Vladimir Burdakov
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center "Kurchatov Institute", Gatchina, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
| | - Luiza Garaeva
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center "Kurchatov Institute", Gatchina, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia
| | - Maria Slyusarenko
- N.N. Petrov National Medical Research Center of Oncology, St. Petersburg, Russia
- Ltd Oncosystem, Skolkovo Innovation Center, Moscow, Russia
| | - Nadezhda Nikiforova
- N.N. Petrov National Medical Research Center of Oncology, St. Petersburg, Russia
- Ltd Oncosystem, Skolkovo Innovation Center, Moscow, Russia
| | - Andrey Konevega
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center "Kurchatov Institute", Gatchina, Russia
- National Research Center “Kurchatov Institute”, Moscow, Russia
- Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russia
| | - Anastasia Malek
- N.N. Petrov National Medical Research Center of Oncology, St. Petersburg, Russia
- Ltd Oncosystem, Skolkovo Innovation Center, Moscow, Russia
- * E-mail: (TS); (AM)
| |
Collapse
|
4
|
Bogdanov A, Klimenko V, Verlov N, Bogdanov A, Knyazev N. Pulse mode irradiation regimen of PDT results in high progression free and overall survival in mice with model tumour. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz238.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|