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Liutsko L, Leonov S, Pashenko A, Polikanova I. Is Frequency of Practice of Different Types of Physical Activity Associated with Health and a Healthy Lifestyle at Different Ages? Eur J Investig Health Psychol Educ 2024; 14:256-271. [PMID: 38275342 PMCID: PMC10814358 DOI: 10.3390/ejihpe14010017] [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: 10/22/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024] Open
Abstract
Physical activity (PA) has been shown to be related to physical and mental health. Yet there are few studies on how the frequency of PA relates to health and a healthy lifestyle. We aimed to investigate how the frequency of different PAs is associated with the following health indicators: body mass index (BMI), substance consumption, physical health, and mental health. We focused on three types of PA: (1) medium- to high-intensity aerobic exercise; (2) low- to medium-intensity relaxing exercise; and (3) outdoor leisure PA. A total of 9617 volunteers, aged 19 to 81, participated in the study. The relationships between the frequencies of the three types of PA and health-related and sociodemographic factors were analyzed using multinomial logistic regression. We found that women more frequently engaged in PA type 2, and men in types 1 and 3. A higher frequency of PA was associated with lower BMI and less or no smoking behavior; higher education (PAs 1 and 3); higher age (PAs 2 and 3); better physical health (PAs 1 and 3); and better mental health (PA 3). In conclusion, higher frequency of different PAs was significantly associated with better physical and mental health, less smoking, higher age, and a higher level of education.
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Affiliation(s)
- Liudmila Liutsko
- ISAN, International Society of Applied Neuropsychology, 08787 La Pobla de Claramunt, Spain
- IDIAP JGol, 08007 Barcelona, Spain
| | - Sergey Leonov
- Federal Scientific Centre for Psychological and Interdisciplinary Research, Moscow 125009, Russia; (S.L.); (A.P.)
| | - Alexander Pashenko
- Federal Scientific Centre for Psychological and Interdisciplinary Research, Moscow 125009, Russia; (S.L.); (A.P.)
| | - Irina Polikanova
- Federal Scientific Centre for Psychological and Interdisciplinary Research, Moscow 125009, Russia; (S.L.); (A.P.)
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2
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Merkher Y, Kontareva E, Alexandrova A, Javaraiah R, Pustovalova M, Leonov S. Anti-Cancer Properties of Flaxseed Proteome. Proteomes 2023; 11:37. [PMID: 37987317 PMCID: PMC10661269 DOI: 10.3390/proteomes11040037] [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: 08/28/2023] [Revised: 11/06/2023] [Accepted: 11/10/2023] [Indexed: 11/22/2023] Open
Abstract
Flaxseed has been recognized as a valuable source of nutrients and bioactive compounds, including proteins that possess various health benefits. In recent years, studies have shown that flaxseed proteins, including albumins, globulins, glutelin, and prolamins, possess anti-cancer properties. These properties are attributed to their ability to inhibit cancer cell proliferation, induce apoptosis, and interfere with cancer cell signaling pathways, ultimately leading to the inhibition of metastasis. Moreover, flaxseed proteins have been reported to modulate cancer cell mechanobiology, leading to changes in cell behavior and reduced cancer cell migration and invasion. This review provides an overview of the anti-cancer properties of flaxseed proteins, with a focus on their potential use in cancer treatment. Additionally, it highlights the need for further research to fully establish the potential of flaxseed proteins in cancer therapy.
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Affiliation(s)
- Yulia Merkher
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Moscow Region, Russia (S.L.)
- Faculty of Biomedical Engineering, Technion–Israel Institute of Technology, Haifa 3200003, Israel
| | - Elizaveta Kontareva
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Moscow Region, Russia (S.L.)
| | - Anastasia Alexandrova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Moscow Region, Russia (S.L.)
| | - Rajesha Javaraiah
- Department of Biochemistry, Yuvaraja’s College, University of Mysore Mysuru, Karnataka 570005, India
| | - Margarita Pustovalova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Moscow Region, Russia (S.L.)
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Moscow Region, Russia (S.L.)
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino 142290, Moscow Region, Russia
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3
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Kononova S, Kashparov M, Xue W, Bobkova N, Leonov S, Zagorodny N. Gut Microbiome Dysbiosis as a Potential Risk Factor for Idiopathic Toe-Walking in Children: A Review. Int J Mol Sci 2023; 24:13204. [PMID: 37686011 PMCID: PMC10488280 DOI: 10.3390/ijms241713204] [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: 07/29/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023] Open
Abstract
Idiopathic toe walking (ITW) occurs in about 5% of children. Orthopedic treatment of ITW is complicated by the lack of a known etiology. Only half of the conservative and surgical methods of treatment give a stable positive result of normalizing gait. Available data indicate that the disease is heterogeneous and multifactorial. Recently, some children with ITW have been found to have genetic variants of mutations that can lead to the development of toe walking. At the same time, some children show sensorimotor impairment, but these studies are very limited. Sensorimotor dysfunction could potentially arise from an imbalanced production of neurotransmitters that play a crucial role in motor control. Using the data obtained in the studies of several pathologies manifested by the association of sensory-motor dysfunction and intestinal dysbiosis, we attempt to substantiate the notion that malfunction of neurotransmitter production is caused by the imbalance of gut microbiota metabolites as a result of dysbiosis. This review delves into the exciting possibility of a connection between variations in the microbiome and ITW. The purpose of this review is to establish a strong theoretical foundation and highlight the benefits of further exploring the possible connection between alterations in the microbiome and TW for further studies of ITW etiology.
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Affiliation(s)
- Svetlana Kononova
- Institute of Protein Research, Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Mikhail Kashparov
- Department of Traumatology and Orthopedics, Peoples’ Friendship University of Russia, 117198 Moscow, Russia; (M.K.); (N.Z.)
- Scientific and Practical Center for Child Psychoneurology, 119602 Moscow, Russia
| | - Wenyu Xue
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (W.X.); (S.L.)
| | - Natalia Bobkova
- Institute of Cell Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (W.X.); (S.L.)
- Institute of Cell Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia;
| | - Nikolaj Zagorodny
- Department of Traumatology and Orthopedics, Peoples’ Friendship University of Russia, 117198 Moscow, Russia; (M.K.); (N.Z.)
- N.N. Priorov Central Research Institute of Traumatology and Orthopedics, 127299 Moscow, Russia
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4
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Merkher Y, Kontareva E, Bogdan E, Achkasov K, Maximova K, Grolman JM, Leonov S. Encapsulation and adhesion of nanoparticles as a potential biomarker for TNBC cells metastatic propensity. Sci Rep 2023; 13:12289. [PMID: 37516753 PMCID: PMC10387085 DOI: 10.1038/s41598-023-33540-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 04/14/2023] [Indexed: 07/31/2023] Open
Abstract
Metastasis is the main cause of cancer-related mortality; therefore, the ability to predict its propensity can remarkably affect survival rate. Metastasis development is predicted nowadays by lymph-node status, tumor size, histopathology, and genetic testing. However, all these methods may have inaccuracies, and some require weeks to complete. Identifying novel prognostic markers will open an essential source for risk prediction, possibly guiding to elevated patient treatment by personalized strategies. Cancer cell invasion is a critical step in metastasis. The cytoskeletal mechanisms used by metastatic cells for the invasion process are very similar to the utilization of actin cytoskeleton in the endocytosis process. In the current study, the adhesion and encapsulation efficiency of low-cost carboxylate-modified fluorescent nanoparticles by breast cancer cells with high (HM) and low metastatic potential (LM) have been evaluated; benign cells were used as control. Using high-content fluorescence imaging and analysis, we have revealed (within a short time of 1 h), that efficiency of nanoparticles adherence and encapsulation is sufficiently higher in HM cells compared to LM cells, while benign cells are not encapsulating or adhering the particles during experiment time at all. We have utilized custom-made automatic image analysis algorithms to find quantitative co-localization (Pearson's coefficients) of the nanoparticles with the imaged cells. The method proposed here is straightforward; it does not require especial equipment or expensive materials nor complicated cell manipulations, it may be potentially applicable for various cells, including patient-derived cells. Effortless and quantitative determination of the metastatic likelihood has the potential to be performed using patient-specific biopsy/surgery sample, which will directly influence the choice of protocols for cancer patient's treatment and, as a result, increase their life expectancy.
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Affiliation(s)
- Yulia Merkher
- Laboratory of Innovative Medicine and Agrobiotechnology, Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russia.
| | - Elizaveta Kontareva
- Laboratory of Innovative Medicine and Agrobiotechnology, Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russia
| | - Elizaveta Bogdan
- Laboratory of Innovative Medicine and Agrobiotechnology, Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russia
| | - Konstantin Achkasov
- Laboratory of Innovative Medicine and Agrobiotechnology, Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russia
| | - Ksenia Maximova
- Laboratory of Innovative Medicine and Agrobiotechnology, Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russia
| | - Joshua M Grolman
- The Biomechanic Materials Lab, Technion Israel Institute of Technology, Haifa, Israel
| | - Sergey Leonov
- Laboratory of Innovative Medicine and Agrobiotechnology, Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russia.
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Leonov S, Inyang O, Achkasov K, Bogdan E, Kontareva E, Chen Y, Fu Y, Osipov AN, Pustovalova M, Merkher Y. Proteomic Markers for Mechanobiological Properties of Metastatic Cancer Cells. Int J Mol Sci 2023; 24:ijms24054773. [PMID: 36902201 PMCID: PMC10003476 DOI: 10.3390/ijms24054773] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/26/2023] [Accepted: 02/17/2023] [Indexed: 03/06/2023] Open
Abstract
The major cause (more than 90%) of all cancer-related deaths is metastasis, thus its prediction can critically affect the survival rate. Metastases are currently predicted by lymph-node status, tumor size, histopathology and genetic testing; however, all these are not infallible, and obtaining results may require weeks. The identification of new potential prognostic factors will be an important source of risk information for the practicing oncologist, potentially leading to enhanced patient care through the proactive optimization of treatment strategies. Recently, the new mechanobiology-related techniques, independent of genetics, based on the mechanical invasiveness of cancer cells (microfluidic, gel indentation assays, migration assays etc.), demonstrated a high success rate for the detection of tumor cell metastasis propensity. However, they are still far away from clinical implementation due to complexity. Hence, the exploration of novel markers related to the mechanobiological properties of tumor cells may have a direct impact on the prognosis of metastasis. Our concise review deepens our knowledge of the factors that regulate cancer cell mechanotype and invasion, and incites further studies to develop therapeutics that target multiple mechanisms of invasion for improved clinical benefit. It may open a new clinical dimension that will improve cancer prognosis and increase the effectiveness of tumor therapies.
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Affiliation(s)
- Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow Region, Russia
- Institute of Cell Biophysics, Russian Academy of Sciences, 142290 Pushchino, Moscow Region, Russia
| | - Olumide Inyang
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow Region, Russia
| | - Konstantin Achkasov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow Region, Russia
| | - Elizaveta Bogdan
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow Region, Russia
| | - Elizaveta Kontareva
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow Region, Russia
| | - Yongheng Chen
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics & State Local Joint Engineering Laboratory for Anticancer Drugs, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Ying Fu
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics & State Local Joint Engineering Laboratory for Anticancer Drugs, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Andreyan N. Osipov
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical-Biological Agency, 123098 Moscow, Russia
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia
- Correspondence:
| | - Margarita Pustovalova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow Region, Russia
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical-Biological Agency, 123098 Moscow, Russia
| | - Yulia Merkher
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Moscow Region, Russia
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Alhaddad L, Nofal Z, Pustovalova M, Osipov AN, Leonov S. Long-Term Cultured Human Glioblastoma Multiforme Cells Demonstrate Increased Radiosensitivity and Senescence-Associated Secretory Phenotype in Response to Irradiation. Int J Mol Sci 2023; 24:ijms24032002. [PMID: 36768320 PMCID: PMC9916727 DOI: 10.3390/ijms24032002] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/14/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023] Open
Abstract
The overall effect of senescence on cancer progression and cancer cell resistance to X-ray radiation (IR) is still not fully understood and remains controversial. How to induce tumor cell senescence and which senescent cell characteristics will ensure the safest therapeutic strategy for cancer treatment are under extensive investigation. While the evidence for passage number-related effects on malignant primary cells or cell lines is compelling, much less is known about how the changes affect safety and Senescence-Associated Secretory Phenotype (SASP), both of which are needed for the senescence cell-based vaccine to be effective against cancer. The present study aimed to investigate the effects of repeated passaging on the biological (self-renewal capacity and radioresistance) and functional (senescence) characteristics of the different populations of short- and long-term passaging glioblastoma multiforme (GBM) cells responding to senescence-inducing DNA-damaging IR stress. For this purpose, we compared radiobiological effects of X-ray exposure on two isogenic human U87 cell lines: U87L, minimally cultured cells (<15 passages after obtaining from the ATCC) and U87H, long-term cultured cells (>3 years of continuous culturing after obtaining from the ATCC). U87L cells displayed IR dose-related changes in the signs of IR stress-induced premature senescence. These included an increase in the proportion of senescence-associated β-galactosidase (SA-β-Gal)-positive cells, and concomitant decrease in the proportion of Ki67-positive cells and metabolically active cells. However, reproductive survival of irradiated short-term cultured U87L cells was higher compared to long-term cultured U87H cells, as the clonogenic activity results demonstrated. In contrast, the irradiated long-term cultured U87H cells possessed dose-related increases in the proportion of multinucleated giant cancer cells (MGCCs), while demonstrating higher radiosensitivity (lower self-renewal) and a significantly reduced fraction of DNA-replicating cells compared to short-term cultured U87L cells. Conditioned culture medium from U87H cells induced a significant rise of SA-β-Gal staining in U87L cells in a paracrine manner suggesting inherent SASP. Our data suggested that low-dose irradiated long-term cultured GBM cells might be a safer candidate for a recently proposed senescence cell-based vaccine against cancer.
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Affiliation(s)
- Lina Alhaddad
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Russia
- Department of Environmental Sciences, Faculty of Sciences, Damascus University, Damascus P.O. Box 30621, Syria
| | - Zain Nofal
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Russia
| | - Margarita Pustovalova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Russia
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
| | - Andreyan N. Osipov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Russia
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia
- Correspondence:
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology (National Research University), 141701 Dolgoprudny, Russia
- Institute of Cell Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
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Alhaddad L, Chuprov-Netochin R, Pustovalova M, Osipov AN, Leonov S. Polyploid/Multinucleated Giant and Slow-Cycling Cancer Cell Enrichment in Response to X-ray Irradiation of Human Glioblastoma Multiforme Cells Differing in Radioresistance and TP53/PTEN Status. Int J Mol Sci 2023; 24:ijms24021228. [PMID: 36674747 PMCID: PMC9865596 DOI: 10.3390/ijms24021228] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/27/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Radioresistance compromises the efficacy of radiotherapy for glioblastoma multiforme (GBM), the most devastating and common brain tumor. The present study investigated the relationship between radiation tolerance and formation of polyploid/multinucleated giant (PGCC/MGCC) and quiescent/senescent slow-cycling cancer cells in human U-87, LN-229, and U-251 cell lines differing in TP53/PTEN status and radioresistance. We found significant enrichment in MGCC populations of U-87 and LN-229 cell lines, and generation of numerous small mononuclear (called Raju cells, or RJ cells) U-87-derived cells that eventually form cell colonies, in a process termed neosis, in response to X-ray irradiation (IR) at single acute therapeutic doses of 2-6 Gy. For the first time, single-cell high-content imaging and analysis of Ki-67- and EdU-coupled fluorescence demonstrated that the IR exposure dose-dependently augments two distinct GBM cell populations. Bifurcation of Ki-67 staining suggests fast-cycling and slow-cycling populations with a normal-sized nuclear area, and with an enlarged nuclear area, including one resembling the size of PGCC/MGCCs, that likely underlie the highest radioresistance and propensity for repopulation of U-87 cells. Proliferative activity and anchorage-independent survival of GBM cell lines seem to be related to neosis, low level of apoptosis, fraction of prematurely stress-induced senescent MGCCs, and the expression of p63 and p73, members of p53 family transcription factors, but not to the mutant p53. Collectively, our data support the importance of the TP53wt/PTENmut genotype for the maintenance of cycling radioresistant U-87 cells to produce a significant amount of senescent MGCCs as an IR stress-induced adaptation response to therapeutic irradiation doses.
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Affiliation(s)
- Lina Alhaddad
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
| | - Roman Chuprov-Netochin
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
| | - Margarita Pustovalova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
| | - Andreyan N. Osipov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia
- Correspondence:
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia
- Institute of Cell Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
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Marchenko V, Danilenko A, Kolosova N, Bragina M, Molchanova M, Bulanovich Y, Gorodov V, Leonov S, Gudymo A, Onkhonova G, Svyatchenko S, Ryzhikov A. Diversity of gammacoronaviruses and deltacoronaviruses in wild birds and poultry in Russia. Sci Rep 2022; 12:19412. [PMID: 36371465 PMCID: PMC9653423 DOI: 10.1038/s41598-022-23925-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/07/2022] [Indexed: 11/14/2022] Open
Abstract
Coronaviruses of the genera Gammacoronavirus and Deltacoronavirus are globally widespread and circulate primarily in wild and domestic birds. Prior studies have established frequently occurring crossover events from avian to mammalian reservoirs. However, there is limited understanding of the diversity and geographical distribution of coronaviruses among birds. In this study, the surveillance of coronaviruses in birds in Russia during 2020 revealed the presence of coronaviruses in 12% of samples from birds. Targeted NGS approach was used for the evaluation of genetic diversity based on RdRp gene. While gammacoronviruses were found in both wild birds and poultry, deltacoronaviruses were found in wild birds only and represent the first detections for Russia. A number of cases with the simultaneous detection of gamma- and deltacoronaviruses in one bird was reported. The results of this study highlight the importance of further research concerning the spread and diversity of coronaviruses among birds within and migrating throughout the territory of Russia across the globe.
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Affiliation(s)
- Vasily Marchenko
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Alexey Danilenko
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Natalia Kolosova
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Maria Bragina
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Marina Molchanova
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Yuliya Bulanovich
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Vladimir Gorodov
- Siberian Federal Scientific Centre of Agro-BioTechnologies, RAS, Novosibirsk, Russia
| | - Sergey Leonov
- Siberian Federal Scientific Centre of Agro-BioTechnologies, RAS, Novosibirsk, Russia
| | - Andrey Gudymo
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Galina Onkhonova
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Svetlana Svyatchenko
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
| | - Alexander Ryzhikov
- grid.419755.bState Research Center of Virology and Biotechnology Vector Rospotrebnadzor, Koltsovo, 630559 Russia
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Li Y, Zhang H, Merkher Y, Chen L, Liu N, Leonov S, Chen Y. Recent advances in therapeutic strategies for triple-negative breast cancer. J Hematol Oncol 2022; 15:121. [PMID: 36038913 PMCID: PMC9422136 DOI: 10.1186/s13045-022-01341-0] [Citation(s) in RCA: 137] [Impact Index Per Article: 68.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/18/2022] [Indexed: 01/03/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is the most malignant subtype of breast cancer (BC) with a poor prognosis. Current treatment options are limited to surgery, adjuvant chemotherapy and radiotherapy; however, a proportion of patients have missed the surgical window at the time of diagnosis. TNBC is a highly heterogeneous cancer with specific mutations and aberrant activation of signaling pathways. Hence, targeted therapies, such as those targeting DNA repair pathways, androgen receptor signaling pathways, and kinases, represent promising treatment options against TNBC. In addition, immunotherapy has also been demonstrated to improve overall survival and response in TNBC. In this review, we summarize recent key advances in therapeutic strategies based on molecular subtypes in TNBC.
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Affiliation(s)
- Yun Li
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Huajun Zhang
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Yulia Merkher
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia, 141700
| | - Lin Chen
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Na Liu
- Department of Endocrinology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russia, 141700. .,Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Russia, 142290.
| | - Yongheng Chen
- Department of Oncology, NHC Key Laboratory of Cancer Proteomics, Laboratory of Structural Biology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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Chernyshev VS, Chuprov-Netochin RN, Tsydenzhapova E, Svirshchevskaya EV, Poltavtseva RA, Merdalimova A, Yashchenok A, Keshelava A, Sorokin K, Keshelava V, Sukhikh GT, Gorin D, Leonov S, Skliar M. Asymmetric depth-filtration: A versatile and scalable method for high-yield isolation of extracellular vesicles with low contamination. J Extracell Vesicles 2022; 11:e12256. [PMID: 35942823 PMCID: PMC9451526 DOI: 10.1002/jev2.12256] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 04/19/2022] [Accepted: 04/30/2022] [Indexed: 11/24/2022] Open
Abstract
We developed a novel asymmetric depth filtration (DF) approach to isolate extracellular vesicles (EVs) from biological fluids that outperforms ultracentrifugation and size‐exclusion chromatography in purity and yield of isolated EVs. By these metrics, a single‐step DF matches or exceeds the performance of multistep protocols with dedicated purification procedures in the isolation of plasma EVs. We demonstrate the selective transit and capture of biological nanoparticles in asymmetric pores by size and elasticity, low surface binding to the filtration medium, and the ability to cleanse EVs held by the filter before their recovery with the reversed flow all contribute to the achieved purity and yield of preparations. We further demonstrate the method's versatility by applying it to isolate EVs from different biofluids (plasma, urine, and cell culture growth medium). The DF workflow is simple, fast, and inexpensive. Only standard laboratory equipment is required for its implementation, making DF suitable for low‐resource and point‐of‐use locations. The method may be used for EV isolation from small biological samples in diagnostic and treatment guidance applications. It can also be scaled up to harvest therapeutic EVs from large volumes of cell culture medium.
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Affiliation(s)
- Vasiliy S Chernyshev
- Skolkovo Institute of Science and Technology, Moscow, Russian Federation.,School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russian Federation
| | - Roman N Chuprov-Netochin
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russian Federation
| | - Ekaterina Tsydenzhapova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russian Federation
| | | | - Rimma A Poltavtseva
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov, Ministry of Healthcare of the Russian Federation, Moscow, Russian Federation
| | | | - Alexey Yashchenok
- Skolkovo Institute of Science and Technology, Moscow, Russian Federation
| | | | | | - Varlam Keshelava
- Institute for Biological Instrumentation RAS, Pushchino, Russian Federation
| | - Gennadiy T Sukhikh
- National Medical Research Center for Obstetrics, Gynecology and Perinatology named after Academician V.I. Kulakov, Ministry of Healthcare of the Russian Federation, Moscow, Russian Federation
| | - Dmitry Gorin
- Skolkovo Institute of Science and Technology, Moscow, Russian Federation
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, Russian Federation
| | - Mikhail Skliar
- Department of Chemical Engineering, University of Utah, Salt Lake City, UT, USA.,The Nano Institute of Utah, University of Utah, Salt Lake City, UT, USA
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11
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Polikanova I, Yakushina A, Leonov S, Kruchinina A, Chertopolokhov V, Liutsko L. What Differences Exist in Professional Ice Hockey Performance Using Virtual Reality (VR) Technology between Professional Hockey Players and Freestyle Wrestlers? (a Pilot Study). Sports (Basel) 2022; 10:sports10080116. [PMID: 36006083 PMCID: PMC9414154 DOI: 10.3390/sports10080116] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 07/14/2022] [Accepted: 07/25/2022] [Indexed: 11/16/2022] Open
Abstract
There is little research on the study of specific characteristics that contribute to the faster adaptation of athletes during the transition from one sport to another. We used virtual reality (VR) to study the differences between professional ice hockey players and other sport professionals (freestyle wrestlers), who were novices in hockey in terms of motor responses and efficiency performance, on different levels of difficulty. In the VR environment, four levels of difficulty (four blocks) were simulated, depended on the speed of the puck and the distance to it (Bl1—60–80 km/h and 18 m; Bl2—60–100 km/h, distances 12 and 18 m; Bl3—speeds up to 170 km/h and 6, 12, and 18 m; Bl4—the pucks are presented in a series of two (in sequence with a 1 s interval)). The results of the study showed that the hockey professionals proved to have more stable movement patterns of the knee and hip joints. They also made fewer head movements as a response to stimuli during all runs (0.66 vs. 1.25, p = 0.043). Thus, working out on these parameters can contribute to the faster adaptation of wrestlers in developing professional ice hockey skills.
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Affiliation(s)
- Irina Polikanova
- Department of Psychology, Lomonosov Moscow State University, 125009 Moscow, Russia;
- Department of Biology and Biotechnology, Higher School of Economics (HSE University), 117418 Moscow, Russia
- Correspondence: (I.P.); (S.L.); (L.L.)
| | - Anastasia Yakushina
- Department of Psychology, Lomonosov Moscow State University, 125009 Moscow, Russia;
| | - Sergey Leonov
- Department of Psychology, Lomonosov Moscow State University, 125009 Moscow, Russia;
- Correspondence: (I.P.); (S.L.); (L.L.)
| | - Anna Kruchinina
- Department of Mechanics and Mathematics, Lomonosov Moscow State University, 119234 Moscow, Russia; (A.K.); (V.C.)
| | - Victor Chertopolokhov
- Department of Mechanics and Mathematics, Lomonosov Moscow State University, 119234 Moscow, Russia; (A.K.); (V.C.)
| | - Liudmila Liutsko
- Department of Psychology, Lomonosov Moscow State University, 125009 Moscow, Russia;
- Correspondence: (I.P.); (S.L.); (L.L.)
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12
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Chernyshev VS, Chuprov-Netochin RN, Tsydenzhapova E, Van Devener B, Leonov S, Gorin D, Skliar M. Dynamic surface tension probe for measuring the concentration of extracellular vesicles. Biochem Biophys Res Commun 2022; 609:189-194. [PMID: 35452960 DOI: 10.1016/j.bbrc.2022.04.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [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: 03/31/2022] [Accepted: 04/06/2022] [Indexed: 11/02/2022]
Abstract
The concentration of extracellular vesicles (EVs) is an essential attribute of biofluids and EV preparations. EV concentration in body fluids was correlated with health status. The abundance of EV secreted by cultured cells into growth medium is vital in signaling studies, tissue and disease models, and biomanufacturing of acellular therapeutic secretome. A limited number of physical principles sensitive to EV concertation have been discovered so far. Particle-by-particle counting methods enumerate individual particles scattering light, modulating the Coulter current, or appearing in EM images. The available ensemble techniques in current use rely on the concentration-dependent signal intensity, as in the case of ELISA. In this study, we propose for the first-time the ensemble-based characterization of EV concentration by dynamic surface tension (DST) probe and demonstrate its implementation. We show that DST measurements agree with the widely used NTA measurements of EV concertation. The proposed method is low-cost and requires only basic laboratory equipment for implementation.
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Affiliation(s)
- Vasiliy S Chernyshev
- Center for Photonic Science and Engineering, Skolkovo Institute of Science and Technology, Skolkovo Innovation Center, Building 3, Moscow, 143026, Russian Federation; School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Institutsky per. 9/7, Dolgoprudny, Moscow Region, 141700, Russian Federation.
| | - Roman N Chuprov-Netochin
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Institutsky per. 9/7, Dolgoprudny, Moscow Region, 141700, Russian Federation
| | - Ekaterina Tsydenzhapova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Institutsky per. 9/7, Dolgoprudny, Moscow Region, 141700, Russian Federation
| | - Brian Van Devener
- Utah Nanofab, Nano-Scale Imaging and Surface Analysis Lab, University of Utah, 36 S. Wasatch Dr, Salt Lake City, UT, 84112, USA
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Institutsky per. 9/7, Dolgoprudny, Moscow Region, 141700, Russian Federation
| | - Dmitry Gorin
- Center for Photonic Science and Engineering, Skolkovo Institute of Science and Technology, Skolkovo Innovation Center, Building 3, Moscow, 143026, Russian Federation
| | - Mikhail Skliar
- The Nano Institute of Utah, University of Utah, 36 S. Wasatch Dr, Salt Lake City, UT, 84112, USA; Department of Chemical Engineering, University of Utah, 50 S. Central Campus Dr, Salt Lake City, UT, 84112, USA
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13
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Mohamed H, Marusich E, Afanasev Y, Leonov S. Bacterial Outer Membrane Permeability Increase Underlies the Bactericidal Effect of Fatty Acids From Hermetia illucens (Black Soldier Fly) Larvae Fat Against Hypermucoviscous Isolates of Klebsiella pneumoniae. Front Microbiol 2022; 13:844811. [PMID: 35602017 PMCID: PMC9121012 DOI: 10.3389/fmicb.2022.844811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/08/2022] [Indexed: 11/25/2022] Open
Abstract
Behind expensive treatments, Klebsiella pneumoniae infections account for extended hospitalization’s high mortality rates. This study aimed to evaluate the activity and mechanism of the antimicrobial action of a fatty acid-containing extract (AWME3) isolated from Hermetia illucens (HI) larvae fat against K. pneumoniae subsp. pneumoniae standard NDM-1 carbapenemase-producing ATCC BAA-2473 strain, along with a wild-type hypermucoviscous clinical isolate, strain K. pneumoniae subsp. pneumoniae KPi1627, and an environmental isolate, strain K. pneumoniae subsp. pneumoniae KPM9. We classified these strains as extensive multidrug-resistant (XDR) or multiple antibiotic-resistant (MDR) demonstrated by a susceptibility assay against 14 antibiotics belonging to ten classes of antibiotics. Antibacterial properties of fatty acids extracted from the HI larvae fat were evaluated using disk diffusion method, microdilution, minimum inhibitory concentration (MIC), minimum bactericidal concentration (MBC), half of the inhibitory concentration (MIC50), and bactericidal assays. In addition, the cytotoxocity of AWME3 was tested on human HEK293 cells, and AWME3 lipid profile was determined by gas chromatography-mass spectrometry (GC-MS) analysis. For the first time, we demonstrated that the inhibition zone diameter (IZD) of fatty acid-containing extract (AWME3) of the HI larvae fat tested at 20 mg/ml was 16.52 ± 0.74 and 14.23 ± 0.35 mm against colistin-resistant KPi1627 and KPM9, respectively. It was 19.72 ± 0.51 mm against the colistin-susceptible K. pneumoniae ATCC BAA-2473 strain. The MIC and MBC were 250 μg/ml for all the tested bacteria strains, indicating the bactericidal effect of AWME3. The MIC50 values were 155.6 ± 0.009 and 160.1 ± 0.008 μg/ml against the KPi1627 and KPM9 isolates, respectively, and 149.5 ± 0.013 μg/ml against the ATCC BAA-2473 strain in the micro-dilution assay. For the first time, we demonstrated that AWME3 dose-dependently increased bacterial cell membrane permeability as determined by the relative electric conductivity (REC) of the K. pneumoniae ATCC BAA-2473 suspension, and that none of the strains did not build up resistance to extended AWME3 treatment using the antibiotic resistance assay. Cytotoxicity assay showed that AWME3 is safe for human HEK293 cells at IC50 266.1 μg/ml, while bactericidal for all the strains of bacteria at the same concentration. Free fatty acids (FFAs) and their derivatives were the significant substances among 33 compounds identified by the GC-MS analysis of AWME3. Cis-oleic and palmitoleic acids represent the most abundant unsaturated FAs (UFAs), while palmitic, lauric, stearic, and myristic acids were the most abundant saturated FAs (SFAs) of the AWME3 content. Bactericidal resistant-free AWM3 mechanism of action provides a rationale interpretations and the utility of HI larvae fat to develop natural biocidal resistance-free formulations that might be promising therapeutic against Gram-negative MDR bacteria causing nosocomial infections.
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Affiliation(s)
- Heakal Mohamed
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Elena Marusich
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
- *Correspondence: Elena Marusich,
| | - Yuriy Afanasev
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
- Institute of Cell Biophysics, Russian Academy of Sciences, Moscow, Russia
- Sergey Leonov,
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Pustovalova M, Blokhina T, Alhaddad L, Chigasova A, Chuprov-Netochin R, Veviorskiy A, Filkov G, Osipov AN, Leonov S. CD44+ and CD133+ Non-Small Cell Lung Cancer Cells Exhibit DNA Damage Response Pathways and Dormant Polyploid Giant Cancer Cell Enrichment Relating to Their p53 Status. Int J Mol Sci 2022; 23:ijms23094922. [PMID: 35563313 PMCID: PMC9101266 DOI: 10.3390/ijms23094922] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 01/10/2023] Open
Abstract
Cancer stem cells (CSCs) play a critical role in the initiation, progression and therapy relapse of many cancers including non-small cell lung cancer (NSCLC). Here, we aimed to address the question of whether the FACS-sorted CSC-like (CD44 + &CD133 +) vs. non-CSC (CD44-/CD133- isogenic subpopulations of p53wt A549 and p53null H1299 cells differ in terms of DNA-damage signaling and the appearance of "dormant" features, including polyploidy, which are early markers (predictors) of their sensitivity to genotoxic stress. X-ray irradiation (IR) at 5 Gy provoked significantly higher levels of the ATR-Chk1/Chk2-pathway activity in CD44-/CD133- and CD133+ subpopulations of H1299 cells compared to the respective subpopulations of A549 cells, which only excited ATR-Chk2 activation as demonstrated by the Multiplex DNA-Damage/Genotoxicity profiling. The CD44+ subpopulations did not demonstrate IR-induced activation of ATR, while significantly augmenting only Chk2 and Chk1/2 in the A549- and H1299-derived cells, respectively. Compared to the A549 cells, all the subpopulations of H1299 cells established an increased IR-induced expression of the γH2AX DNA-repair protein. The CD44-/CD133- and CD133+ subpopulations of the A549 cells revealed IR-induced activation of ATR-p53-p21 cell dormancy signaling-mediated pathway, while none of the CD44+ subpopulations of either cell line possessed any signs of such activity. Our data indicated, for the first time, the transcription factor MITF-FAM3C axis operative in p53-deficient H1299 cells, specifically their CD44+ and CD133+ populations, in response to IR, which warrants further investigation. The p21-mediated quiescence is likely the predominant surviving pathway in CD44-/CD133- and CD133+ populations of A549 cells as indicated by single-cell high-content imaging and analysis of Ki67- and EdU-coupled fluorescence after IR stress. SA-beta-galhistology revealed that cellular-stress-induced premature senescence (SIPS) likely has a significant influence on the temporary dormant state of H1299 cells. For the first time, we demonstrated polyploid giant and/or multinucleated cancer-cell (PGCC/MGCC) fractions mainly featuring the progressively augmenting Ki67low phenotype in CD44+ and CD133+ A549 cells at 24-48 h after IR. In contrast, the Ki67high phenotype enrichment in the same fractions of all the sorted H1299 cells suggested an increase in their cycling/heterochromatin reorganization activity after IR stress. Our results proposed that entering the "quiescence" state rather than p21-mediated SIPS may play a significant role in the survival of p53wt CSC-like NSCLC cells after IR. The results obtained are important for the selection of therapeutic schemes for the treatment of patients with NSCLC, depending on the functioning of the p53 system in tumor cells.
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Affiliation(s)
- Margarita Pustovalova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
- Correspondence: (M.P.); (S.L.)
| | - Taisia Blokhina
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Lina Alhaddad
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
| | - Anna Chigasova
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Roman Chuprov-Netochin
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
| | - Alexander Veviorskiy
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Gleb Filkov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
- Laboratory of Medical Informatics, Novgorod Technical School, Yaroslav-the-Wise Novgorod State University, 173003 Veliky Novgorod, Russia
| | - Andreyan N. Osipov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, 119991 Moscow, Russia;
| | - Sergey Leonov
- School of Biological and Medical Physics, Moscow Institute of Physics and Technology, 141700 Dolgoprudny, Russia; (T.B.); (L.A.); (A.C.); (R.C.-N.); (G.F.); (A.N.O.)
- Institute of Cell Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
- Correspondence: (M.P.); (S.L.)
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Mohamed H, Marusich E, Afanasev Y, Leonov S. Fatty Acids-Enriched Fractions of Hermetia illucens (Black Soldier Fly) Larvae Fat Can Combat MDR Pathogenic Fish Bacteria Aeromonas spp. Int J Mol Sci 2021; 22:ijms22168829. [PMID: 34445533 PMCID: PMC8396364 DOI: 10.3390/ijms22168829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/03/2021] [Accepted: 08/11/2021] [Indexed: 11/29/2022] Open
Abstract
Aeromonas spp. cause many diseases in aquaculture habitats. Hermetia illucens (Hi) larvae were used as feed-in aquacultures and in eradicating pathogenic fish bacteria. In the present study, we applied consecutive extractions of the same biomass of BSFL fat using the acidic water–methanol solution. The major constituents of the sequential extracts (SEs) were free fatty acids (FFAs), and fatty acids derivatives as identified by gas chromatography spectrometry (GC-MS). Our improved procedure enabled gradual enrichment in the unsaturated fatty acids (USFAs) content in our SEs. The present study aimed to compare the composition and antimicrobial properties of SEs. Among actual fish pathogens, A. hydrophila and A. salmonicida demonstrated multiple drug resistance (MDR) against different recommended standard antibiotics: A. salmonicida was resistant to six, while A. hydrophila was resistant to four antibiotics from ten used in the present study. For the first time, we demonstrated the high dose-dependent antibacterial activity of each SE against Aeromonas spp., especially MDR A. salmonicida. The bacteriostatic and bactericidal (MIC/MBC) activity of SEs was significantly enhanced through the sequential extractions. The third sequential extract (AWME3) possessed the highest activity against Aeromonas spp.: inhibition zone diameters were in the range (21.47 ± 0.14–20.83 ± 0.22 mm) at a concentration of 40 mg/mL, MIC values ranged between 0.09 and 0.38 mg/mL for A. hydrophila and A. salmonicida, respectively. AWME3 MBC values recorded 0.19 and 0.38 mg/mL, while MIC50 values were 0.065 ± 0.004 and 0.22 ± 0.005 mg/mL against A. hydrophila and A. salmonicida, respectively. Thus, the larvae fat from Hermitia illucens may serve as an excellent reservoir of bioactive molecules with good capacity to eradicate the multidrug-resistant bacteria, having promising potential for practical application in the aquaculture field.
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Affiliation(s)
- Heakal Mohamed
- Moscow Institute of Physics and Technology, School of Biological and Medical Physics, 141700 Dolgoprudny, Russia; (H.M.); (Y.A.)
| | - Elena Marusich
- Moscow Institute of Physics and Technology, School of Biological and Medical Physics, 141700 Dolgoprudny, Russia; (H.M.); (Y.A.)
- Correspondence: (E.M.); (S.L.); Tel.: +7-965-247-1982 (E.M.); +7-915-055-5643 (S.L.)
| | - Yuriy Afanasev
- Moscow Institute of Physics and Technology, School of Biological and Medical Physics, 141700 Dolgoprudny, Russia; (H.M.); (Y.A.)
| | - Sergey Leonov
- Moscow Institute of Physics and Technology, School of Biological and Medical Physics, 141700 Dolgoprudny, Russia; (H.M.); (Y.A.)
- Institute of Cell Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
- Correspondence: (E.M.); (S.L.); Tel.: +7-965-247-1982 (E.M.); +7-915-055-5643 (S.L.)
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Yavorovskaya A, Leonov S, Rasskazova E. Coping with sport trauma and well-being in athletes. Eur Psychiatry 2021. [PMCID: PMC9475786 DOI: 10.1192/j.eurpsy.2021.1231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
IntroductionSport trauma is a stressful situation demanding not only physical but also psychological rehabilitation (Clement et al, 2015, Ardern et al, 2012) including prevention of mental health symptoms. Revealing coping strategies that are related not only to rehabilitation effectiveness but also to well-being of athletes is important for rehabilitation programs (Crowther et al, 2017, Hamson-Utley, Vazquez, 2008, Johnston, Carroll, 1998).ObjectivesThe aim was to reveal coping strategies that are related to better well-being in athletes after trauma after adjusting for trauma perception.Methods61 athletes (15-25 years old, 31 males) rehabilitating after sport trauma filled COPE with specific instruction about trauma (Carver et al., 1989), Illness Perception Questionnaire (Moss-Morris et al., 2002) modified for trauma situation, Satisfaction with Life Scale (Diener et al., 1985), Scale of Positive and Negative Experience (Diener et al., 2009).ResultsAfter adjusting for subjective trauma representation humor related to trauma predicted better satisfaction with life (β=.43, R2=43.7%). Active coping with trauma was related to more positive emotions (β=.31, R2=9.8%) while emotion venting, substance use and lower instrumental support are related to negative emotions (β=.39, β=.24, β=-.29, respectively, R2=30.5%), although these effects eliminate after adjusting for trauma representation.ConclusionsHumor, active coping and instrumental support as well as control of emotion venting and substance use could be helpful strategies of promotion of better well-being in athletes after sport trauma. Research is supported by the Russian Science Foundation, project No. 19-78-10134.Conflict of interestResearch is supported by the Russian Science Foundation, project No. 19-78-10134.
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Sobolev I, Sharshov K, Dubovitskiy N, Kurskaya O, Alekseev A, Leonov S, Yushkov Y, Irza V, Komissarov A, Fadeev A, Danilenko D, Mine J, Tsunekuni R, Uchida Y, Saito T, Shestopalov A. Highly Pathogenic Avian Influenza A(H5N8) Virus Clade 2.3.4.4b, Western Siberia, Russia, 2020. Emerg Infect Dis 2021; 27:2224-2227. [PMID: 34287138 PMCID: PMC8314819 DOI: 10.3201/eid2708.204969] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Two variants of highly pathogenic avian influenza A(H5N8) virus were detected in dead poultry in Western Siberia, Russia, during August and September 2020. One variant was represented by viruses of clade 2.3.4.4b and the other by a novel reassortant between clade 2.3.4.4b and Eurasian low pathogenicity avian influenza viruses circulating in wild birds.
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Yavorovskaya A, Polikanova I, Semenov Y, Leonov S, Rasskazova E. Emotional regulation as factor of commitment to paralympic sports. Eur Psychiatry 2021. [PMCID: PMC9470938 DOI: 10.1192/j.eurpsy.2021.1230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Introduction Commitment to sports is especially important for well-being in people with disabilities (Malm et al., 2019), although mental health problems are common among Paralympic athletes (Hunt et al., 2019). Importance of representations of and regulation in sport situations was supported for different kind of sports (Moran, 1993, Suinn R., 1982, Hardy et al., 1996) but Paralympic ones. Objectives The aim was to reveal aspects of psychological regulation important for achievement and longer commitment to Paralympic sports comparing to non-Paralympic sports. Methods 51 athletes from Paralympic sports (49.1% candidates and masters of sports) filled Questionnaire of Image Representations of Professional Activity of Athletes (Leonov et al., 2020) measuring general importance and self-appraisals of different aspects of image representation and regulation in sport activities: control of temporal, spatial, informational, technical and tactical, energetic aspects, game intelligence, motivational, emotional and social aspects (Cronbach’s alphas .61-.89). Data were compared to 399 athletes without disabilities (48.4% candidates and masters of sports). Results Comparing to athletes without disabilities, Paralympic athletes higher appraise general importance and their capacities for emotion regulation during sport situation (t=2.26-3.35, p<.01). High-level Paralympic atheletes report marginally better emotion regulation (t=1.74, p<.10). Longer experience in sport in Paralympic athletes is associated with better representations of spatial and social aspects of sport situations and better emotion regulation (r=.25-.29, p<.05). Conclusions Data suggest that improvement of emotion regulation in sport situation in Paralympic athletes could be helpful for longer participation and better achievement. Research is supported by the Russian Science Foundation, project No. 19-78-10134. Conflict of interest Research is supported by the Russian Science Foundation, project No. 19-78-10134
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Merkher Y, Kontareva E, Melekhova A, Leonov S. Abstract PO-042: Nanoparticles imaging for cancer metastasis diagnosis. Clin Cancer Res 2021. [DOI: 10.1158/1557-3265.adi21-po-042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
The main cause of cancer-related mortality is metastasis; thus, its prediction can critically affect the survival rate. Metastases are currently predicted by lymph-node status, tumor size, histopathology and genetic testing, however, all these are not infallible and getting the results may require weeks. The identification new potential prognostic factors will be an important source of risk information for the practicing oncologist, potentially leading to enhanced patient care through the proactive optimization of treatment strategies. We propose to use fluorescent nanoparticles for metastasis detection. Nowadays nanoparticles are widely used for targeted drug delivery, while particles with specific coatings are encapsulated by cancer cells via endocytosis. We have used low-cost carboxylate-modified fluorescent 200 nm particles to achieve the adhesion and encapsulation efficiency of breast cancer cells with high (MDA-MB-231) and low (MCF7) metastatic potential. Using high-content fluorescence imaging microscope (ImageXpress Micro XL), we have discovered that during short time (up to 1h) highly metastatic cells are able to adhere and encapsulate sufficiently more (p<0.05) nanoparticles than lowly metastatic cells. We have created automatic image analysis algorithms to find quantitative colocalization (Pearson’s and Overlap coefficients) of fluorescent nanoparticles with imaged cells. Migration and invasion of cancer cells is a critical step in metastases formation. The cytoskeleton machinery mechanisms (i.e. actin network), utilized by metastatic cells for invasion process have been found similar to the involvement of actin cytoskeleton in endocytosis process. From the other side, for migration process cells use adhesive structures (developed also by nano-particles adhesion) to probe their surroundings and adapt their mechanical properties. We have previously characterized the invasive and migrative abilities of breast cancer cells, as well as patient-derived tumor cells, by indentation and migration assays. We have achieved quantitative and significantly different results for various cancer cells; however, the data-acquisition of such kind assays requires 4-72hs. The obtained results of encapsulation and adhesion efficiency may lead to developing novel clinical tool for metastasis prediction. The proposed here method is very simple, it does not require neither expensive materials and equipment nor cell manipulations (e.g. serum starvation, staining, expansion), it is potentially suitable for a variety of cells. Rapid (up to 1h), quantitative, patient-specific determination of the metastatic likelihood from biopsy/surgery sample, will directly affect the choice of treatment protocols for cancer patients and eventually increase their life-expectancy.
Citation Format: Yulia Merkher, Elizaveta Kontareva, Anna Melekhova, Sergey Leonov. Nanoparticles imaging for cancer metastasis diagnosis [abstract]. In: Proceedings of the AACR Virtual Special Conference on Artificial Intelligence, Diagnosis, and Imaging; 2021 Jan 13-14. Philadelphia (PA): AACR; Clin Cancer Res 2021;27(5_Suppl):Abstract nr PO-042.
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Affiliation(s)
- Yulia Merkher
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russian Federation
| | - Elizaveta Kontareva
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russian Federation
| | - Anna Melekhova
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russian Federation
| | - Sergey Leonov
- Moscow Institute of Physics and Technology (MIPT), Dolgoprudny, Moscow Region, Russian Federation
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20
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Zorin V, Grekhova A, Pustovalova M, Zorina A, Smetanina N, Vorobyeva N, Kopnin P, Gilmutdinova I, Moskalev A, Osipov AN, Leonov S. Spontaneous γH2AX foci in human dermal fibroblasts in relation to proliferation activity and aging. Aging (Albany NY) 2020; 11:4536-4546. [PMID: 31289256 PMCID: PMC6660037 DOI: 10.18632/aging.102067] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 06/26/2019] [Indexed: 12/12/2022]
Abstract
We assessed the effects of donor age on clonogenicity, proliferative potential, and spontaneous γH2AX foci in the proliferating (Ki67 +) and senescent (SA β-gal +) cultures of skin fibroblasts isolated from 34 donors of different age (23-82 years). Here, we demonstrated that neither the colony forming effectiveness of proliferating (Ki67+) fraction of the fibroblasts nor the average number of γH2AX foci of the same fraction does not depend on the age of the donor. The correlation between the number of γH2AX foci and the donor's age was reliable in quiescent (Ki67-) cells. The average number of γH2AX foci in quiescent fibroblasts of donors older than 68 years was about two times higher than in the same cells of up to 30 years old donors. The number of γH2AX foci demonstrated a statistically significant positive correlation with the fraction of proliferating cells in fibroblast cultures. On average, proliferating cells have twice as many the γH2AX foci in comparison with the quiescent cells. Within a population of proliferating (Ki67+) cells, the degree of senescence correlated with a relative declining of constitutive γH2AX foci number, whereas in the population of quiescent (Ki67-) cells, it was proportional to augmenting the number of the γH2AX foci. Our data on a statistically significant (p=0.001) correlation between the age of the donor and the number of constitutive γH2AX foci in quiescent cells, could point out the ongoing DNA-damage response due in the maintenance of the senescent state of cells.
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Affiliation(s)
- Vadim Zorin
- Human Stem Cells Institute, Moscow 119333, Russia
| | - Anna Grekhova
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Emanuel Institute for Biochemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Margarita Pustovalova
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia
| | - Alla Zorina
- Human Stem Cells Institute, Moscow 119333, Russia
| | - Nadezhda Smetanina
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Natalia Vorobyeva
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Pavel Kopnin
- N.N. Blokhin National Medical Research Oncology Center, Ministry of Health of Russia, Moscow 115478, Russia
| | - Ilmira Gilmutdinova
- FSBI "National Medical Research Center for Rehabilitation and Balneology", Ministry of Health of Russia, Moscow 121099, Russia
| | - Alexey Moskalev
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia.,Laboratory of Molecular Radiobiology and Gerontology, Institute of Biology of Komi Science Center of Ural Division of Russian Academy of Sciences, Syktyvkar, Russia.,Laboratory of Post-Genomic Research, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Andreyan N Osipov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Sergey Leonov
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia.,Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia
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21
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Guvatova Z, Dalina A, Marusich E, Pudova E, Snezhkina A, Krasnov G, Kudryavtseva A, Leonov S, Moskalev A. Protective effects of carotenoid fucoxanthin in fibroblasts cellular senescence. Mech Ageing Dev 2020; 189:111260. [DOI: 10.1016/j.mad.2020.111260] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/05/2020] [Accepted: 05/07/2020] [Indexed: 12/27/2022]
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22
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Sobolev I, Kurskaya O, Leonov S, Kabilov M, Alikina T, Alekseev A, Yushkov Y, Saito T, Uchida Y, Mine J, Shestopalov A, Sharshov K. Novel reassortant of H1N1 swine influenza virus detected in pig population in Russia. Emerg Microbes Infect 2020; 8:1456-1464. [PMID: 31603050 PMCID: PMC6818105 DOI: 10.1080/22221751.2019.1673136] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Pigs play an important role in interspecies transmission of the influenza virus, particularly as "mixing vessels" for reassortment. Two influenza A/H1N1 virus strains, A/swine/Siberia/1sw/2016 and A/swine/Siberia/4sw/2017, were isolated during a surveillance of pigs from private farms in Russia from 2016 to 2017. There was a 10% identity difference between the HA and NA nucleotide sequences of isolated strains and the most phylogenetically related sequences (human influenza viruses of 1980s). Simultaneously, genome segments encoding internal proteins were found to be phylogenetically related to the A/H1N1pdm09 influenza virus. In addition, two amino acids (129-130) were deleted in the HA of A/swine/Siberia/4sw/2017 compared to that of A/swine/Siberia/1sw/2016 HA.
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Affiliation(s)
- Ivan Sobolev
- Department of Experimental Modeling and Pathogenesis of Infectious Diseases, Federal Research Center of Fundamental and Translational Medicine , Novosibirsk , Russia
| | - Olga Kurskaya
- Department of Experimental Modeling and Pathogenesis of Infectious Diseases, Federal Research Center of Fundamental and Translational Medicine , Novosibirsk , Russia
| | - Sergey Leonov
- Siberian Federal Scientific Centre of Agro- BioTechnologies , Krasnoobsk , Russia
| | - Marsel Kabilov
- Institute of Chemical Biology and Fundamental Medicine , Novosibirsk , Russia
| | - Tatyana Alikina
- Institute of Chemical Biology and Fundamental Medicine , Novosibirsk , Russia
| | - Alexander Alekseev
- Department of Experimental Modeling and Pathogenesis of Infectious Diseases, Federal Research Center of Fundamental and Translational Medicine , Novosibirsk , Russia
| | - Yuriy Yushkov
- Siberian Federal Scientific Centre of Agro- BioTechnologies , Krasnoobsk , Russia
| | - Takehiko Saito
- Division of Transboundary Animal Disease, National Institute of Animal Health , Tsukuba , Japan
| | - Yuko Uchida
- Division of Transboundary Animal Disease, National Institute of Animal Health , Tsukuba , Japan
| | - Junki Mine
- Division of Transboundary Animal Disease, National Institute of Animal Health , Tsukuba , Japan
| | - Alexander Shestopalov
- Department of Experimental Modeling and Pathogenesis of Infectious Diseases, Federal Research Center of Fundamental and Translational Medicine , Novosibirsk , Russia
| | - Kirill Sharshov
- Department of Experimental Modeling and Pathogenesis of Infectious Diseases, Federal Research Center of Fundamental and Translational Medicine , Novosibirsk , Russia
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23
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Atroshchenko MM, Arkhangelskaya E, Isaev DA, Stavitsky SB, Zaitsev AM, Kalaschnikov VV, Leonov S, Osipov AN. Reproductive Characteristics of Thawed Stallion Sperm. Animals (Basel) 2019; 9:ani9121099. [PMID: 31818047 PMCID: PMC6940853 DOI: 10.3390/ani9121099] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/26/2019] [Accepted: 12/06/2019] [Indexed: 11/16/2022] Open
Abstract
The main goal of our study was to determine a set of thawed stallion sperm characteristics that have predictive value for the pregnancy rate (PR) of mares after artificial insemination (AI). DNA fragmentation and survival of sperm during hypothermic storage were studied in addition to routinely determined semen characteristics such as concentration, percentage of motile spermatozoa, and morphology. To estimate DNA fragmentation, a modified hallo assay was applied. Sperm survival was determined within hours as the ability of spermatozoa to maintain progressive motility (PM) during the storage of ejaculate diluted with lactose-chelate-citrate-yolk (LCCY) medium at +4 °C. Strong positive correlation between PR and thawed sperm motility (r = 0.90, p < 0.05) as well as between PR and sperm survival (r = 084, p < 0.05) was revealed. There was also a strong negative correlation between PR and DNA damages in spermatozoa (r = -0.94, p < 0.05). We found no dependence of PR on normal morphology spermatozoa percentage in thawed semen. We concluded that the sperm activity, survival, and DNA fragmentation should be considered as the sufficient reproductive characteristics of semen to evaluate the quality of frozen/thawed sperm and prediction of PR.
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Affiliation(s)
- Mikhail M. Atroshchenko
- All-Russian Scientific Research Institute for Horse Breeding (ARRIH), Ryazan Oblast, Rybnovskij District 391105, Russia; (M.M.A.); (A.M.Z.); (V.V.K.)
| | - Ekaterina Arkhangelskaya
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 46, Zhivopisnaya Str, Moscow 123098, Russia; (E.A.); (D.A.I.)
- Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Dmitry A. Isaev
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 46, Zhivopisnaya Str, Moscow 123098, Russia; (E.A.); (D.A.I.)
| | - Sergey B. Stavitsky
- Center for Veterinary Cell Medicine, 8/1 Tvardovsky Str, Moscow 123458, Russia;
| | - Alexander M. Zaitsev
- All-Russian Scientific Research Institute for Horse Breeding (ARRIH), Ryazan Oblast, Rybnovskij District 391105, Russia; (M.M.A.); (A.M.Z.); (V.V.K.)
| | - Valery V. Kalaschnikov
- All-Russian Scientific Research Institute for Horse Breeding (ARRIH), Ryazan Oblast, Rybnovskij District 391105, Russia; (M.M.A.); (A.M.Z.); (V.V.K.)
| | - Sergey Leonov
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia;
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region 142290, Russia
| | - Andreyan N. Osipov
- State Research Center—Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 46, Zhivopisnaya Str, Moscow 123098, Russia; (E.A.); (D.A.I.)
- Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia;
- Correspondence: ; Tel.: +7-499-190-96-83
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24
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Ulyanenko S, Pustovalova M, Koryakin S, Beketov E, Lychagin A, Ulyanenko L, Kaprin A, Grekhova A, M Ozerova A, V Ozerov I, Vorobyeva N, Shegay P, Ivanov S, Leonov S, Klokov D, Osipov AN. Formation of γH2AX and pATM Foci in Human Mesenchymal Stem Cells Exposed to Low Dose-Rate Gamma-Radiation. Int J Mol Sci 2019; 20:E2645. [PMID: 31146367 PMCID: PMC6600277 DOI: 10.3390/ijms20112645] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 05/21/2019] [Accepted: 05/23/2019] [Indexed: 12/12/2022] Open
Abstract
DNA double-strand breaks (DSB) are among the most harmful DNA lesions induced by ionizing radiation (IR). Although the induction and repair of radiation-induced DSB is well studied for acute irradiation, responses to DSB produced by chronic IR exposures are poorly understood, especially in human stem cells. The aim of this study was to examine the formation of DSB markers (γH2AX and phosphorylated kinase ATM, pATM, foci) in human mesenchymal stem cells (MSCs) exposed to chronic gamma-radiation (0.1 mGy/min) in comparison with acute irradiation (30 mGy/min) at cumulative doses of 30, 100, 160, 240 and 300 mGy. A linear dose-dependent increase in the number of both γH2AX and pATM foci, as well as co-localized γH2AX/pATM foci ("true" DSB), were observed after an acute radiation exposure. In contrast, the response of MSCs to a chronic low dose-rate IR exposure deviated from linearity towards a threshold model, for γH2AX, pATM foci and γH2AX/pATM foci, with an indication of a "plateau". The state of equilibrium between newly formed DSB at a low rate during the protracted exposure time and the elimination of a fraction of DSB is proposed as a mechanistic explanation of the non-linear DSB responses following a low dose-rate irradiation. This notion is supported by the observation of the elimination of a substantial fraction of DSB 6 h after the cessation of the exposures. Our results demonstrate non-linear dose responses for γH2AX and pATM foci in human MSCs exposed to low dose-rate IR and showed the existence of a threshold, which may have implications for radiation protection in humans.
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Affiliation(s)
- Stepan Ulyanenko
- A. Tsyb Medical Radiological Research Centre-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
| | - Margarita Pustovalova
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.
- Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia.
- Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia.
| | - Sergey Koryakin
- A. Tsyb Medical Radiological Research Centre-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
| | - Evgenii Beketov
- A. Tsyb Medical Radiological Research Centre-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
| | - Anatolii Lychagin
- A. Tsyb Medical Radiological Research Centre-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
| | - Liliya Ulyanenko
- A. Tsyb Medical Radiological Research Centre-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
| | - Andrey Kaprin
- National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, Moscow 125284, Russia.
| | - Anna Grekhova
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.
- Emanuel Institute for Biochemical Physics, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Alexandra M Ozerova
- Faculty of Biology, Lomonosov Moscow State University, GSP-1, Leninskie Gory, Moscow 119991, Russia.
| | - Ivan V Ozerov
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.
| | - Natalia Vorobyeva
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.
- Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia.
| | - Peter Shegay
- Center for Innovative Radiological and Regenerative Technologies of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
| | - Sergey Ivanov
- A. Tsyb Medical Radiological Research Centre-Branch of the National Medical Research Radiological Centre of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
| | - Sergey Leonov
- Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia.
- Institute of Cell Biophysics, Russian Academy of Sciences, Institutskaya St., 3, Pushchino 142290, Russia.
| | - Dmitry Klokov
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1N 6N5, Canada.
| | - Andreyan N Osipov
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.
- Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia.
- Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia.
- Center for Innovative Radiological and Regenerative Technologies of the Ministry of Health of the Russian Federation, Koroleva 4, Obninsk 249030, Russia.
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25
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Zorin V, Zorina A, Smetanina N, Kopnin P, Ozerov IV, Leonov S, Isaev A, Klokov D, Osipov AN. Diffuse colonies of human skin fibroblasts in relation to cellular senescence and proliferation. Aging (Albany NY) 2018; 9:1404-1413. [PMID: 28522793 PMCID: PMC5472740 DOI: 10.18632/aging.101240] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Accepted: 05/11/2017] [Indexed: 01/13/2023]
Abstract
Development of personalized skin treatment in medicine and skin care may benefit from simple and accurate evaluation of the fraction of senescent skin fibroblasts that lost their proliferative capacity. We examined whether enriched analysis of colonies formed by primary human skin fibroblasts, a simple and widely available cellular assay, could reveal correlations with the fraction of senescent cells in heterogenic cell population. We measured fractions of senescence associated β-galactosidase (SA-βgal) positive cells in either mass cultures or colonies of various morphological types (dense, mixed and diffuse) formed by skin fibroblasts from 10 human donors. Although the donors were chosen to be within the same age group (33-54 years), the colony forming efficiency of their fibroblasts (ECO-f) and the percentage of dense, mixed and diffuse colonies varied greatly among the donors. We showed, for the first time, that the SA-βgal positive fraction was the largest in diffuse colonies, confirming that they originated from cells with the least proliferative capacity. The percentage of diffuse colonies was also found to correlate with the SA-βgal positive cells in mass culture. Using Ki67 as a cell proliferation marker, we further demonstrated a strong inverse correlation (r=-0.85, p=0.02) between the percentage of diffuse colonies and the fraction of Ki67+ cells. Moreover, a significant inverse correlation (r=-0.94, p=0.0001) between the percentage of diffuse colonies and ECO-f was found. Our data indicate that quantification of a fraction of diffuse colonies may provide a simple and useful method to evaluate the extent of cellular senescence in human skin fibroblasts.
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Affiliation(s)
- Vadim Zorin
- Human Stem Cells Institute, Moscow, 119333, Russia
| | - Alla Zorina
- Human Stem Cells Institute, Moscow, 119333, Russia
| | - Nadezhda Smetanina
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow, 123098, Russia
| | - Pavel Kopnin
- Blokhin Cancer Research Center, Moscow, 115478, Russia
| | - Ivan V Ozerov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow, 123098, Russia
| | - Sergey Leonov
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141700, Russia.,Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Artur Isaev
- Human Stem Cells Institute, Moscow, 119333, Russia
| | - Dmitry Klokov
- Canadian Nuclear Laboratories, Chalk River, Ontario, K0J1J0, Canada
| | - Andreyan N Osipov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow, 123098, Russia.,Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region, 141700, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 119991, Russia
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26
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Pustovalova M, Astrelina ТA, Grekhova A, Vorobyeva N, Tsvetkova A, Blokhina T, Nikitina V, Suchkova Y, Usupzhanova D, Brunchukov V, Kobzeva I, Karaseva Т, Ozerov IV, Samoylov A, Bushmanov A, Leonov S, Izumchenko E, Zhavoronkov A, Klokov D, Osipov AN. Residual γH2AX foci induced by low dose x-ray radiation in bone marrow mesenchymal stem cells do not cause accelerated senescence in the progeny of irradiated cells. Aging (Albany NY) 2018; 9:2397-2410. [PMID: 29165316 PMCID: PMC5723693 DOI: 10.18632/aging.101327] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 11/11/2017] [Indexed: 01/09/2023]
Abstract
Mechanisms underlying the effects of low-dose ionizing radiation (IR) exposure (10-100 mGy) remain unknown. Here we present a comparative study of early (less than 24h) and delayed (up to 11 post-irradiation passages) radiation effects caused by low (80 mGy) vs intermediate (1000 mGy) dose X-ray exposure in cultured human bone marrow mesenchymal stem cells (MSCs). We show that γН2АХ foci induced by an intermediate dose returned back to the control value by 24 h post-irradiation. In contrast, low-dose irradiation resulted in residual γН2АХ foci still present at 24 h. Notably, these low dose induced residual γН2АХ foci were not co-localized with рАТМ foci and were observed predominantly in the proliferating Кi67 positive (Кi67+) cells. The number of γН2АХ foci and the fraction of nonproliferating (Кi67-) and senescent (SA-β-gal+) cells measured at passage 11 were increased in cultures exposed to an intermediate dose compared to unirradiated controls. These delayed effects were not seen in the progeny of cells that were irradiated with low-dose X-rays, although such exposure resulted in residual γН2АХ foci in directly irradiated cells. Taken together, our results support the hypothesis that the low-dose IR induced residual γH2AХ foci do not play a role in delayed irradiation consequences, associated with cellular senescence in cultured MSCs.
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Affiliation(s)
- Margarita Pustovalova
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Тatiana A Astrelina
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Anna Grekhova
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia.,Emanuel Institute for Biochemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Natalia Vorobyeva
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Anastasia Tsvetkova
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia
| | - Taisia Blokhina
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia
| | - Victoria Nikitina
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Yulia Suchkova
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Daria Usupzhanova
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Vitalyi Brunchukov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Irina Kobzeva
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Тatiana Karaseva
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Ivan V Ozerov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Insilico Medicine, Inc, ETC, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Aleksandr Samoylov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Andrey Bushmanov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia
| | - Sergey Leonov
- Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia.,Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Evgeny Izumchenko
- Department of Otolaryngology-Head and Neck Cancer Research, Johns Hopkins University, School of Medicine, Baltimore, MD 21218, USA
| | - Alex Zhavoronkov
- Insilico Medicine, Inc, ETC, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Dmitry Klokov
- Canadian Nuclear Laboratories, Chalk River, Ontario K0J1P0, Canada.,University of Ottawa, Ottawa, Ontario K1N6N5, Canada
| | - Andreyan N Osipov
- State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency, Moscow 123098, Russia.,Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow 119991, Russia.,Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia.,Insilico Medicine, Inc, ETC, Johns Hopkins University, Baltimore, MD 21218, USA
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27
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Anumala UR, Waaler J, Nkizinkiko Y, Ignatev A, Lazarow K, Lindemann P, Olsen PA, Murthy S, Obaji E, Majouga AG, Leonov S, von Kries JP, Lehtiö L, Krauss S, Nazaré M. Discovery of a Novel Series of Tankyrase Inhibitors by a Hybridization Approach. J Med Chem 2017; 60:10013-10025. [PMID: 29155568 DOI: 10.1021/acs.jmedchem.7b00883] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A structure-guided hybridization approach using two privileged substructures gave instant access to a new series of tankyrase inhibitors. The identified inhibitor 16 displays high target affinity on tankyrase 1 and 2 with biochemical and cellular IC50 values of 29 nM, 6.3 nM and 19 nM, respectively, and high selectivity toward other poly (ADP-ribose) polymerase enzymes. The identified inhibitor shows a favorable in vitro ADME profile as well as good oral bioavailability in mice, rats, and dogs. Critical for the approach was the utilization of an appropriate linker between 1,2,4-triazole and benzimidazolone moieties, whereby a cyclobutyl linker displayed superior affinity compared to a cyclohexane and phenyl linker.
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Affiliation(s)
- Upendra Rao Anumala
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) , Campus Berlin-Buch, 13125 Berlin, Germany
| | - Jo Waaler
- Unit for Cell Signaling, Institute of Medical Microbiology, Oslo University Hospital , Gaustadalleen 34, 0372 Oslo, Norway.,Hybrid Technology Hub, Centre of Excellence, Institute of Basic Medical Sciences, University of Oslo , 0372 Oslo, Norway
| | - Yves Nkizinkiko
- Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu , P.O. Box 5400, 90014 Oulu, Finland
| | - Alexander Ignatev
- Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu , P.O. Box 5400, 90014 Oulu, Finland
| | - Katina Lazarow
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) , Campus Berlin-Buch, 13125 Berlin, Germany
| | - Peter Lindemann
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) , Campus Berlin-Buch, 13125 Berlin, Germany
| | - Petter Angell Olsen
- Unit for Cell Signaling, Institute of Medical Microbiology, Oslo University Hospital , Gaustadalleen 34, 0372 Oslo, Norway.,Hybrid Technology Hub, Centre of Excellence, Institute of Basic Medical Sciences, University of Oslo , 0372 Oslo, Norway
| | - Sudarshan Murthy
- Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu , P.O. Box 5400, 90014 Oulu, Finland
| | - Ezeogo Obaji
- Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu , P.O. Box 5400, 90014 Oulu, Finland
| | - Alexander G Majouga
- Department of Chemistry, Moscow State University , Leninskie Gory 1/3, Moscow 119991, Russia
| | - Sergey Leonov
- National University of Science and Technology MISiS , Leninsky Avenue 4, Moscow 119049, Russia.,Moscow Institute of Physics and Technology (State University) , Institutskiy Lane 9, 141700 Dolgoprudny, Russia
| | - Jens Peter von Kries
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) , Campus Berlin-Buch, 13125 Berlin, Germany.,Berlin Institute of Health (BIH) , Anna-Louisa-Karsch-Strasse 2, 10178 Berlin, Germany
| | - Lari Lehtiö
- Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu , P.O. Box 5400, 90014 Oulu, Finland
| | - Stefan Krauss
- Unit for Cell Signaling, Institute of Medical Microbiology, Oslo University Hospital , Gaustadalleen 34, 0372 Oslo, Norway.,Hybrid Technology Hub, Centre of Excellence, Institute of Basic Medical Sciences, University of Oslo , 0372 Oslo, Norway
| | - Marc Nazaré
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) , Campus Berlin-Buch, 13125 Berlin, Germany.,Berlin Institute of Health (BIH) , Anna-Louisa-Karsch-Strasse 2, 10178 Berlin, Germany
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28
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Lashmanova E, Zemskaya N, Proshkina E, Kudryavtseva A, Volosnikova M, Marusich E, Leonov S, Zhavoronkov A, Moskalev A. The Evaluation of Geroprotective Effects of Selected Flavonoids in Drosophila melanogaster and Caenorhabditis elegans. Front Pharmacol 2017; 8:884. [PMID: 29375370 PMCID: PMC5770640 DOI: 10.3389/fphar.2017.00884] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 11/16/2017] [Indexed: 01/13/2023] Open
Abstract
Flavonoids is an intensively studied group of natural compounds with antioxidant, antineoplastic, antihyperglycemic, cardioprotective, and neuroprotective properties. The present study intends to investigate the geroprotective action of three selected flavonoids (naringin, luteolin, chrysin) in two model organisms, Caenorhabditis elegans and Drosophila melanogaster. Luteolin and chrysin were shown to improve lifespan parameters when administered to both model organisms. The observed positive effects of these flavonoids in D. melanogaster were limited to females and were not associated with reduced fecundity or locomotor impairment. The life-extending effects of flavonoids were observed in N2 wild-type worms but absent in aak-2(gt33) mutants implying that these effects can be associated with AMP-activated protein kinase activity. Naringin improved lifespan parameters of C. elegans, but had no effect on D. melanogaster females; in some cases, naringin was found to decrease the lifespan of males. Compared to chrysin and luteolin, however, naringin more effectively activates Nrf2 target genes (particularly, GstD1) under oxidative stress. Then we compared molecular mechanisms of studied compounds and a well-known geroprotector rapamycin, using software tool GeroScope. There are no transcriptomic data on luteolin or chrysin provided by LINCS Project database. The bioinformatics comparison of transcriptomics data for A549 and MCF7 human cell lines treated with rapamycin or naringin revealed that these compounds share just a few common signaling pathways and quite distinct in their geroprotective action. Thus, based on C. elegans effects of naringin, luteolin, chrysin on lifespan we have revealed new potential geroprotectors.
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Affiliation(s)
- Ekaterina Lashmanova
- Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Nadezhda Zemskaya
- Institute of Biology, Komi Scientific Center of Ural Branch of RAS, Syktyvkar, Russia
| | - Ekaterina Proshkina
- Institute of Biology, Komi Scientific Center of Ural Branch of RAS, Syktyvkar, Russia.,Department of Ecology, Syktyvkar State University, Syktyvkar, Russia
| | - Anna Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Marina Volosnikova
- Insilico Medicine, Inc., Johns Hopkins University, Baltimore, MD, United States
| | - Elena Marusich
- Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Sergey Leonov
- Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Alex Zhavoronkov
- Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,Insilico Medicine, Inc., Johns Hopkins University, Baltimore, MD, United States
| | - Alexey Moskalev
- Department of Biological and Medical Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia.,Institute of Biology, Komi Scientific Center of Ural Branch of RAS, Syktyvkar, Russia.,Department of Ecology, Syktyvkar State University, Syktyvkar, Russia.,Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
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29
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Pustovalova M, Grekhova A, Astrelina Т, Nikitina V, Dobrovolskaya E, Suchkova Y, Kobzeva I, Usupzhanova D, Vorobyeva N, Samoylov A, Bushmanov A, Ozerov IV, Zhavoronkov A, Leonov S, Klokov D, Osipov AN. Accumulation of spontaneous γH2AX foci in long-term cultured mesenchymal stromal cells. Aging (Albany NY) 2017; 8:3498-3506. [PMID: 27959319 PMCID: PMC5270682 DOI: 10.18632/aging.101142] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 12/03/2016] [Indexed: 01/15/2023]
Abstract
Expansion of mesenchymal stromal/stem cells (MSCs) used in clinical practices may be associated with accumulation of genetic instability. Understanding temporal and mechanistic aspects of this process is important for improving stem cell therapy protocols. We used γH2AX foci as a marker of a genetic instability event and quantified it in MSCs that undergone various numbers of passage (3-22). We found that γH2AX foci numbers increased in cells of late passages, with a sharp increase at passage 16-18. By measuring in parallel foci of ATM phosphorylated at Ser-1981 and their co-localization with γH2AX foci, along with differentiating cells into proliferating and resting by using a Ki67 marker, we conclude that the sharp increase in γH2AX foci numbers was ATM-independent and happened predominantly in proliferating cells. At the same time, gradual and moderate increase in γH2AX foci with passage number seen in both resting and proliferating cells may represent a slow, DNA double-strand break related component of the accumulation of genetic instability in MSCs. Our results provide important information on selecting appropriate passage numbers exceeding which would be associated with substantial risks to a patient-recipient, both with respect to therapeutic efficiency and side-effects related to potential neoplastic transformations due to genetic instability acquired by MSCs during expansion.
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Affiliation(s)
- Margarita Pustovalova
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Anna Grekhova
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Тatiana Astrelina
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Viktoria Nikitina
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Ekaterina Dobrovolskaya
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Yulia Suchkova
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Irina Kobzeva
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Darya Usupzhanova
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Natalia Vorobyeva
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Aleksandr Samoylov
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Andrey Bushmanov
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia
| | - Ivan V Ozerov
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia.,Insilico Medicine, Inc., Emerging Technology Centers, Johns Hopkins University at Eastern, Baltimore, MD 21218, USA
| | - Alex Zhavoronkov
- Insilico Medicine, Inc., Emerging Technology Centers, Johns Hopkins University at Eastern, Baltimore, MD 21218, USA.,Life Sciences Center, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia
| | - Sergey Leonov
- Life Sciences Center, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia
| | - Dmitry Klokov
- Canadian Nuclear Laboratories, Chalk River, ON K0J1P0, Canada
| | - Andreyan N Osipov
- State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), Moscow 123098, Russia.,Insilico Medicine, Inc., Emerging Technology Centers, Johns Hopkins University at Eastern, Baltimore, MD 21218, USA.,Life Sciences Center, Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141700, Russia
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30
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Chuprov–Netochin R, Neskorodov Y, Marusich E, Mishutkina Y, Volynchuk P, Leonov S, Skryabin K, Ivashenko A, Palme K, Touraev A. Novel small molecule modulators of plant growth and development identified by high-content screening with plant pollen. BMC Plant Biol 2016; 16:192. [PMID: 27596094 PMCID: PMC5011872 DOI: 10.1186/s12870-016-0875-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 08/16/2016] [Indexed: 05/03/2023]
Abstract
BACKGROUND Small synthetic molecules provide valuable tools to agricultural biotechnology to circumvent the need for genetic engineering and provide unique benefits to modulate plant growth and development. RESULTS We developed a method to explore molecular mechanisms of plant growth by high-throughput phenotypic screening of haploid populations of pollen cells. These cells rapidly germinate to develop pollen tubes. Compounds acting as growth inhibitors or stimulators of pollen tube growth are identified in a screen lasting not longer than 8 h high-lighting the potential broad applicability of this assay to prioritize chemicals for future mechanism focused investigations in plants. We identified 65 chemical compounds that influenced pollen development. We demonstrated the usefulness of the identified compounds as promotors or inhibitors of tobacco and Arabidopsis thaliana seed growth. When 7 days old seedlings were grown in the presence of these chemicals twenty two of these compounds caused a reduction in Arabidopsis root length in the range from 4.76 to 49.20 % when compared to controls grown in the absence of the chemicals. Two of the chemicals sharing structural homology with thiazolidines stimulated root growth and increased root length by 129.23 and 119.09 %, respectively. The pollen tube growth stimulating compound (S-02) belongs to benzazepin-type chemicals and increased Arabidopsis root length by 126.24 %. CONCLUSIONS In this study we demonstrate the usefulness of plant pollen tube based assay for screening small chemical compound libraries for new biologically active compounds. The pollen tubes represent an ultra-rapid screening tool with which even large compound libraries can be analyzed in very short time intervals. The broadly applicable high-throughput protocol is suitable for automated phenotypic screening of germinating pollen resulting in combination with seed germination assays in identification of plant growth inhibitors and stimulators.
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Affiliation(s)
- Roman Chuprov–Netochin
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow region Russian Federation
| | - Yaroslav Neskorodov
- Research Centerof Biotechnology of the Russian Academy of Science, 117312 Moscow, Russian Federation
| | - Elena Marusich
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow region Russian Federation
| | - Yana Mishutkina
- Research Centerof Biotechnology of the Russian Academy of Science, 117312 Moscow, Russian Federation
| | - Polina Volynchuk
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow region Russian Federation
| | - Sergey Leonov
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow region Russian Federation
| | - Konstantin Skryabin
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow region Russian Federation
- Research Centerof Biotechnology of the Russian Academy of Science, 117312 Moscow, Russian Federation
- Lomonosov Moscow State University, 119991 Moscow, Russian Federation
| | - Andrey Ivashenko
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow region Russian Federation
| | - Klaus Palme
- Faculty of Biology; BIOSS Centre for Biological Signaling Studies; ZBSA Centre for Biological Systems Analysis, University of Freiburg, Schänzlestr.1, 79104 Freiburg, Germany
| | - Alisher Touraev
- Moscow Institute of Physics and Technology, Dolgoprudny, 141700 Moscow region Russian Federation
- Lomonosov Moscow State University, 119991 Moscow, Russian Federation
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31
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Lashmanova E, Proshkina E, Zhikrivetskaya S, Shevchenko O, Marusich E, Leonov S, Melerzanov A, Zhavoronkov A, Moskalev A. Fucoxanthin increases lifespan of Drosophila melanogaster and Caenorhabditis elegans. Pharmacol Res 2015; 100:228-41. [DOI: 10.1016/j.phrs.2015.08.009] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2015] [Revised: 08/07/2015] [Accepted: 08/13/2015] [Indexed: 12/19/2022]
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32
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Leonov S, Zemskova E, Timoshenko T, Ivanov P. Enhancing forensic efficiency of STR typing using mass spectrometry-based assay. Forensic Science International: Genetics Supplement Series 2013. [DOI: 10.1016/j.fsigss.2013.10.143] [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: 10/26/2022]
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33
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34
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Xiong F, Leonov S, Howard AC, Xiong S, Zhang B, Mei L, McNeil P, Simon S, Xiong WC. Receptor for advanced glycation end products (RAGE) prevents endothelial cell membrane resealing and regulates F-actin remodeling in a beta-catenin-dependent manner. J Biol Chem 2011; 286:35061-70. [PMID: 21844192 PMCID: PMC3186364 DOI: 10.1074/jbc.m111.261073] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [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: 05/15/2011] [Revised: 08/10/2011] [Indexed: 12/20/2022] Open
Abstract
Receptor for advanced glycation end products (RAGE), an immunoglobin superfamily cell surface receptor, contributes to the vascular pathology associated with multiple disorders, including Alzheimer disease (AD), diabetic complications, and inflammatory conditions. However, the underlying mechanisms remain largely unclear. Here, using the human umbilical vein endothelial cell line (ECV-304) expressing human RAGE, we report that RAGE expression leads to an altered F-actin organization and impaired membrane resealing. To investigate the underlying mechanisms, we showed that RAGE expression increases β-catenin level, which decreases F-actin stress fibers and attenuates plasma membrane resealing. These results thus suggest a negative function for RAGE in endothelial cell membrane repair and reveal a new mechanism underlying RAGE regulation of F-actin remodeling and membrane resealing.
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Affiliation(s)
- Fei Xiong
- From the Institute of Molecular Medicine and Genetics and Department of Neurology, Georgia Health Sciences University, Augusta, Georgia 30912
- the School of Medicine, Wuhan University, Wuhan, Hubei 430071, China
| | - Sergey Leonov
- the Departments of Neuroscience and Translational Sciences, CNS and Pain Innovative Medicines, AstraZeneca R&D Sodertalje, S-15185 Sodertalje, Sweden
| | - Amber Cyan Howard
- the Department of Cell Biology and Anatomy, Georgia Health Sciences University, Augusta, Georgia 30912, and
| | - Shan Xiong
- From the Institute of Molecular Medicine and Genetics and Department of Neurology, Georgia Health Sciences University, Augusta, Georgia 30912
| | - Bin Zhang
- From the Institute of Molecular Medicine and Genetics and Department of Neurology, Georgia Health Sciences University, Augusta, Georgia 30912
| | - Lin Mei
- From the Institute of Molecular Medicine and Genetics and Department of Neurology, Georgia Health Sciences University, Augusta, Georgia 30912
| | - Paul McNeil
- the Department of Cell Biology and Anatomy, Georgia Health Sciences University, Augusta, Georgia 30912, and
| | - Sylvia Simon
- the Departments of Neuroscience and Translational Sciences, CNS and Pain Innovative Medicines, AstraZeneca R&D Sodertalje, S-15185 Sodertalje, Sweden
| | - Wen-Cheng Xiong
- From the Institute of Molecular Medicine and Genetics and Department of Neurology, Georgia Health Sciences University, Augusta, Georgia 30912
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35
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36
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Lundkvist J, Kim LM, Gustafsson E, Hagström E, Zetterberg H, Hanse E, Von Euler G, Leonov S, Näslund J, Dahlqvist C, Trojanowski JQ, Lee VM. P4‐278: The Abeta Oligomer Selective Antibody Nab61 Recognizes Abeta Oligomers In The AD And APP Transgenic Mouse Brains And Neutralizes Abeta Mediated Synaptic Dysfunction. Alzheimers Dement 2009. [DOI: 10.1016/j.jalz.2009.07.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Leo M. Kim
- University of PennsylvaniaPhiladelphiaPAUSA
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37
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Bihovets I, Kitaev A, Leonov S, Sharapov G. 378 POSTER Influence of intraperitoneal hypertermic chemotherapy on the immune status in a patients with advanced colorectal cancer. Eur J Surg Oncol 2006. [DOI: 10.1016/s0748-7983(06)70813-7] [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: 11/29/2022] Open
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38
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Kitaev A, Leonov S, Petrov V, Lasarev G, Mikhaylova E. 401 POSTER Intraperitoneal hypertermic chemotherapy is real method of improvement results of treatment of the widespread forms of a colorectal cancer. Eur J Surg Oncol 2006. [DOI: 10.1016/s0748-7983(06)70836-8] [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: 11/24/2022] Open
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39
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Bhat RV, Leonov S, Luthman J, Scott CW, Lee CM. Interactions between GSK3beta and caspase signalling pathways during NGF deprivation induced cell death. J Alzheimers Dis 2002; 4:291-301. [PMID: 12446931 DOI: 10.3233/jad-2002-4404] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Withdrawal of NGF (NGF-W) in PC12 cells leads to caspase and GSK3beta activation which results in cell death. Our recent findings suggest that inhibition of GSK3beta promotes PC12 cell survival after NGF-W. To determine whether these pathways interact from a signalling perspective, we compared the effects of BAF (a general caspase inhibitor), Li+ (a GSK3beta inhibitor) and insulin on NGF-W induced PC12 cell death. Maximal increase in DNA fragmentation was observed 3 h after NGF-W and was inhibited by BAF (7.5 microM), Li+ (IC(50) = 2 mM) and insulin (IC(50) = 100 nM). BAF inhibited caspase-3 activity and delayed cell death up to 6 h after NGF-W indicating that caspase inhibition is sufficient to prevent apoptosis. BAF had no major effect on GSK3betaactive site phosphorylation or activity suggesting the caspase pathway does not regulate GSK3beta activity. Conversely, Li+ inhibited caspase activity by only 20% but promoted cell survival for 24 h after NGF-W. Overexpression of dominant negative mutants of GSK3beta also inhibited apoptosis, but had only a minor effect on caspase activity after NGF-W. Taken together, these results suggest that GSK3beta is upstream of caspase signalling, and exerts a small effect on the caspase pathway.
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Affiliation(s)
- Ratan V Bhat
- Department of Bioscience, AstraZeneca R&D Södertälje, Novum, Huddinge, Sweden.
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40
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Abstract
Aquaporin-1 (AQP1) is a member of the membrane intrinsic protein (MIP) gene family and is known to provide pathways for water flux across cell membranes. We show here that cloned human AQP1 not only mediates water flux but also serves as a cGMP-gated ion channel. Two-electrode voltage-clamp analyses showed consistent activation of an ionic conductance in wild-type AQP1-expressing oocytes after the direct injection of cGMP (50 nl of 100 mM). Current activation was not observed in control (water-injected) oocytes or in AQP5-expressing oocytes with osmotic water permeabilities equivalent to those seen with AQP1. Patch-clamp recordings revealed large conductance channels (150 pS in K(+) saline) in excised patches from AQP1-expressing oocytes after the application of cGMP to the internal side. Amino acid sequence alignments between AQP1 and sensory cyclic-nucleotide-gated channels showed similarities between the cyclic-nucleotide-gated binding domain and the AQP1 carboxyl terminus that were not present in AQP5. Competitive radioligand-binding assays with [(3)H]cGMP demonstrated specific binding (K(D) = 0.2 microM) in AQP1-expressing Sf9 cells but not in controls. These results indicate that AQP1 channels have the capacity to participate in ionic signaling after the activation of cGMP second-messenger pathways.
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Affiliation(s)
- T L Anthony
- Department of Pharmacology, University of Arizona College of Pharmacy, Tucson, Arizona, USA
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41
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Korostelev A, Leonov S. BAHADUR-TYPE RISKS AND OPTIMAL DESIGNS IN REGRESSION PROBLEMS. Statistics & Risk Modeling 1998. [DOI: 10.1524/strm.1998.16.4.333] [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: 11/24/2022]
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42
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Trescol-Biémont MC, Leonov S, Rabourdin-Combe C, Gerlier D. Quantification of measles virus by a virus receptor-dependent and haemagglutinin-specific T cell stimulation assay. J Immunol Methods 1995; 187:253-8. [PMID: 7499884 DOI: 10.1016/0022-1759(95)00191-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The human measles virus receptor CD46 plays a major role in the uptake of measles virus (MV) for antigen presentation by major histocompatibility complex class II molecules to T cells. On this basis, a new bioassay has been set up to quantify measles virus in a cell free tissue culture supernatant. A stable mouse B cell transfectant expressing CD46 was used as the antigen presenting cell for presentation of measles virus to a haemagglutinin-specific and class II-restricted mouse T cell hybridoma. The measles virus haemagglutinin was quantified by its ability to stimulate IL-2 secretion by the T cells. A good correlation was found between the amount of haemagglutinin measured in supernatants from infected cells using the CD46-dependent T cell stimulation assay and the number of infectious viral particles as determined in a plaque assay. When MV was purified on a discontinuous sucrose gradient, most of the infectious virus and the haemagglutinin antigen were recovered in the same fraction. These data indicate that the CD46-dependent haemagglutinin-specific T cell assay could be used to measure the production of measles virus in the supernatant of infected cells. The assay required only 48 h, was sensitive, highly specific, and did not rely on the replication of the virus. This new bioassay would be applicable for the detection of any other virus provided that antigen presenting cells expressing the corresponding virus receptor and virus envelope glycoprotein-specific T cells are available. Moreover, it would be an interesting tool to monitor the receptor binding properties of attenuated vaccine virus and envelope glycoprotein subunit vaccines.
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