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Szychowski KA, Skóra B. Elastin-derived peptides (EDPs) as a potential pro-malignancy factor in human leukemia cell lines. Immunol Res 2024:10.1007/s12026-024-09511-7. [PMID: 38967692 DOI: 10.1007/s12026-024-09511-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 06/23/2024] [Indexed: 07/06/2024]
Abstract
The extracellular matrix (ECM) is currently considered to be an important factor influencing the migration and progression of cancer cells. Therefore, the aim of our study was to investigate the mechanism of action of elastin-derived peptides in cancerous cells derived from the immunological system, i.e., HL-60, K562, and MEG-A2 cell lines. Moreover, an attempt to clarify the involvement of c-SRC kinase in EDP mechanism of action was also undertaken. Our data show that the VGVAPG and VVGPGA peptides are not toxic in the studied cell lines. Moreover, due to the involvement of KI67 and PCNA proteins in the cell cycle and proliferation, we can assume that neither peptide stimulates cell proliferation. Our data suggest that both peptides could initiate the differentiation process in all the studied cell lines. However, due to the different origins (HL-60 and K562-leukemic cell line vs. MEG-A2-megakaryoblastic origin) of the cell lines, the mechanism may differ. The increase in the ELANE mRNA expression noted in our experiments may also suggest enhancement of the migration of the tested cells. However, more research is needed to fully explain the mechanism of action of the VGVAPG and VVGPGA peptides in the HL-60, K562, and MEG-A2 cell lines. HIGHLIGHTS: • VGVAPG and VVGPGA peptides do not affect the metabolic activity of HL-60, K562, and MEG-A2 cells. • mTOR and PPARγ proteins are involved in the mechanism of action of VGVAPG and VVGPGA peptides. • Both peptides may initiate differentiation in HL-60, K562, and MEG-A2 cell lines.
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Affiliation(s)
- Konrad A Szychowski
- Department of Biotechnology and Cell Biology, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225, Rzeszow, Poland.
| | - Bartosz Skóra
- Department of Biotechnology and Cell Biology, Medical College, University of Information Technology and Management in Rzeszow, Sucharskiego 2, 35-225, Rzeszow, Poland
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Kosenkov AM, Maiorov SA, Gaidin SG. Astrocytic NMDA Receptors. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:1045-1060. [PMID: 38981700 DOI: 10.1134/s0006297924060063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 07/11/2024]
Abstract
Astrocytic NMDA receptors (NMDARs) are heterotetramers, whose expression and properties are largely determined by their subunit composition. Astrocytic NMDARs are characterized by a low sensitivity to magnesium ions and low calcium conductivity. Their activation plays an important role in the regulation of various intracellular processes, such as gene expression and mitochondrial function. Astrocytic NMDARs are involved in calcium signaling in astrocytes and can act through the ionotropic and metabotropic pathways. Astrocytic NMDARs participate in the interactions of the neuroglia, thus affecting synaptic plasticity. They are also engaged in the astrocyte-vascular interactions and contribute to the regulation of vascular tone. Astrocytic NMDARs are involved in various pathologies, such as ischemia and hyperammonemia, and their blockade prevents negative changes in astrocytes during these diseases.
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Affiliation(s)
- Artem M Kosenkov
- Pushchino Scientific Center for Biological Research, Institute of Cell Biophysics of the Russian Academy of Sciences, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - Sergei A Maiorov
- Pushchino Scientific Center for Biological Research, Institute of Cell Biophysics of the Russian Academy of Sciences, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Sergei G Gaidin
- Pushchino Scientific Center for Biological Research, Institute of Cell Biophysics of the Russian Academy of Sciences, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
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Skóra B, Masicz M, Nowak P, Lachowska J, Sołtysek P, Biskup J, Matuszewska P, Szychowski KA. Suppression of sonic hedgehog pathway-based proliferation in glioblastoma cells by small-size silver nanoparticles in vitro. Arch Toxicol 2023; 97:2385-2398. [PMID: 37407723 PMCID: PMC10404180 DOI: 10.1007/s00204-023-03552-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 06/21/2023] [Indexed: 07/07/2023]
Abstract
Glioblastomas (GBs) are one of the most aggressive and invasive intracranial cancers. Recently, it has been postulated that, among other factors, the hedgehog (HH) pathway may be a key factor in this phenomenon. Moreover, it has been reported that small-size silver nanoparticles (AgNPs) are characterized by a high cytotoxic effect towards GBs. However, their effect on the sonic hedgehog (SHH) pathway has never been demonstrated in any cancer cells. Therefore, the aim of the present study was to evaluate the impact of the anti-proliferative properties of 5-nm AgNPs on the SHH pathway in the GB cell line (U-87MG) in vitro. The results showed a time- and dose-dependent decrease in the metabolic activity in the U-87MG cells treated with AgNPs, with IC50 reaching 30.41 and 21.16 µg/mL after 24 h and 48 h, respectively, followed by an increase in the intracellular reactive oxygen species (ROS) level. The co-treatment of the cells with AgNPs and Robotnikinin (SHH inhibitor) abolished and/or strengthened the effect of AgNPs, especially on the SHH mRNA levels and on the PCNA, PTCH1, Gli1, and SUFU protein levels. Interestingly, no changes in the level of ERK1/2, Akt, and SRC kinase protein expression were detected, suggesting a direct impact of AgNPs and/or ROS on the inhibition of the canonical SHH pathway. However, more studies are needed due to the increase in the mTOR protein expression after the treatment of the cells with AgNPs, as in the Robotnikinin treatment. In conclusion, small-size AgNPs are able to inhibit the proliferation of GB cells in vitro by suppressing the canonical SHH pathway.
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Affiliation(s)
- Bartosz Skóra
- Department of Biotechnology and Cell Biology, Medical College, University of Information Technology and Management in Rzeszow, St. Sucharskiego 2, 35-225, Rzeszow, Poland.
| | - Martyna Masicz
- Medical Biotechnology Student's Science Group "Helisa", Medical College, University of Information Technology and Management, St. Sucharskiego 2, 35-225, Rzeszow, Poland
| | - Patrycja Nowak
- Medical Biotechnology Student's Science Group "Helisa", Medical College, University of Information Technology and Management, St. Sucharskiego 2, 35-225, Rzeszow, Poland
| | - Jagoda Lachowska
- Medical Biotechnology Student's Science Group "Helisa", Medical College, University of Information Technology and Management, St. Sucharskiego 2, 35-225, Rzeszow, Poland
| | - Paulina Sołtysek
- Medical Biotechnology Student's Science Group "Helisa", Medical College, University of Information Technology and Management, St. Sucharskiego 2, 35-225, Rzeszow, Poland
| | - Justyna Biskup
- Medical Biotechnology Student's Science Group "Helisa", Medical College, University of Information Technology and Management, St. Sucharskiego 2, 35-225, Rzeszow, Poland
| | - Paulina Matuszewska
- Medical Biotechnology Student's Science Group "Helisa", Medical College, University of Information Technology and Management, St. Sucharskiego 2, 35-225, Rzeszow, Poland
| | - Konrad A Szychowski
- Department of Biotechnology and Cell Biology, Medical College, University of Information Technology and Management in Rzeszow, St. Sucharskiego 2, 35-225, Rzeszow, Poland
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Szychowski KA, Skóra B, Tabęcka-Łonczyńska A. Calcium channel antagonists interfere with the mechanism of action of elastin-derived peptide VGVAPG in mouse cortical astrocytes in vitro. Neurochem Int 2022; 159:105405. [DOI: 10.1016/j.neuint.2022.105405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/21/2022] [Accepted: 07/25/2022] [Indexed: 11/26/2022]
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Zhang G, Liao Y, Yang H, Tao J, Ma L, Zuo X. Irigenin reduces the expression of caspase-3 and matrix metalloproteinases, thus suppressing apoptosis and extracellular matrix degradation in TNF-α-stimulated nucleus pulposus cells. Chem Biol Interact 2021; 349:109681. [PMID: 34600870 DOI: 10.1016/j.cbi.2021.109681] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 08/26/2021] [Accepted: 09/29/2021] [Indexed: 12/26/2022]
Abstract
Irigenin, an isoflavonoid isolated from the rhizome of Belamcanda chinensis, possess various pharmacological effects. However, the effect and mechanism of irigenin on intervertebral disc degeneration (IDD) remain unclear. The potential targets of irigenin or disease were predicted using PharmMapper or GeneCards databases, respectively. The overlapping targets were inputted into the String database to establish protein-protein interaction (PPI) network. The overlapping targets were also submitted to DAVID webserver to perform gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses. Nucleus pulposus (NP) cells were exposed to 10 ng/mL tumor necrosis factor-α (TNF-α) to establish a cell model of IDD. Cell viability, LDH content, apoptosis and caspase-3 activity were evaluated by CCK-8, LDH release, TUNEL, and caspase-3 activity assays, respectively. The expression of collagen II, aggrecan, matrix metalloproteinase (MMP)-2, MMP-3, MMP-9, and MMP-13 were detected by qRT-PCR and western blot analyses. The network analysis revealed that MMP-2, MMP-3, MMP-9, MMP-13, caspase-3 (CASP3), vitamin D receptor (VDR), insulin-like growth factor 1 (IGF1), and transforming growth factor beta2 (TGFB2) play key roles in the effect of irigenin against IDD. TNF-α stimulation inhibited cell viability and increased LDH content, apoptosis, caspase-3 expression and caspase-3 activity in NP cells, which were reversed by irigenin treatment. TNF-α stimulation inhibited the expression of collagen II and aggrecan and upregulated MMPs (MMP-2, MMP-3, MMP-9, and MMP-13) in NP cells, while such changes were abolished by irigenin treatment. In conclusion, irigenin suppressed apoptosis and ECM degradation in TNF-α-stimulated NP cells by reducing the expression of caspase-3 and MMPs.
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Affiliation(s)
- Gaofeng Zhang
- Department of Spine and Joint, Nanshi Hospital of Nanyang, Nanyang, 473065, China
| | - Yuanmei Liao
- Department of Medical Technology, Gannan Healthcare Vocational College, Ganzhou, 341000, China
| | - Hanshi Yang
- Department of Orthopaedics, The Affiliated Huai'an Hospital of Xuzhou Medical University and Huai'an Second People's Hospital, Huai'an, 223002, China
| | - Jian Tao
- Department of Image, The Affiliated Huai'an Hospital of Xuzhou Medical University and Huai'an Second People's Hospital, Huai'an, 223002, China
| | - Lin Ma
- Department of Image, The Affiliated Huai'an Hospital of Xuzhou Medical University and Huai'an Second People's Hospital, Huai'an, 223002, China
| | - Xiaohua Zuo
- Department of Pain Management, The Affiliated Huai'an Hospital of Xuzhou Medical University and Huai'an Second People's Hospital, Huai'an, 223002, China.
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Spitzer SO, Tkacz A, Savignac HM, Cooper M, Giallourou N, Mann EO, Bannerman DM, Swann JR, Anthony DC, Poole PS, Burnet PW. Postnatal prebiotic supplementation in rats affects adult anxious behaviour, hippocampus, electrophysiology, metabolomics, and gut microbiota. iScience 2021; 24:103113. [PMID: 34611610 PMCID: PMC8476651 DOI: 10.1016/j.isci.2021.103113] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/16/2021] [Accepted: 09/08/2021] [Indexed: 12/13/2022] Open
Abstract
We have shown previously that prebiotic (Bimuno galacto-oligosacharides, B-GOS®) administration to neonatal rats increased hippocampal NMDAR proteins. The present study has investigated the effects of postnatal B-GOS® supplementation on hippocampus-dependent behavior in young, adolescent, and adult rats and applied electrophysiological, metabolomic and metagenomic analyses to explore potential underlying mechanisms. The administration of B-GOS® to suckling, but not post-weaned, rats reduced anxious behavior until adulthood. Neonatal prebiotic intake also reduced the fast decay component of hippocampal NMDAR currents, altered age-specific trajectories of the brain, intestinal, and liver metabolomes, and reduced abundance of fecal Enterococcus and Dorea bacteria. Our data are the first to show that prebiotic administration to rats during a specific postnatal period has long-term effects on behavior and hippocampal physiology. The study also suggests that early-life prebiotic intake may affect host brain function through the reduction of stress-related gut bacteria rather than increasing the proliferation of beneficial microbes.
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Affiliation(s)
- Sonia O. Spitzer
- Department of Psychiatry, University of Oxford, Warneford Lane, Oxford, OX3 7JX, UK
| | - Andrzej Tkacz
- Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, UK
| | - Helene M. Savignac
- Quadram Institute, Rosalind Franklin Road, Norwich Research Park, Norwich NR4 7UQ, UK
| | - Matthew Cooper
- Department of Physiology, Anatomy and Genomics, University of Oxford, Sherrington Building, Parks Road, Oxford OX1 3PT, UK
- Oxford Ion Channel Initiative, University of Oxford, Oxford OX1 3PT, UK
| | - Natasa Giallourou
- Department of Metabolism, Digestion and Reproduction, Imperial College, South Kensington Campus, London SW7 2AZ, UK
| | - Edward O. Mann
- Department of Physiology, Anatomy and Genomics, University of Oxford, Sherrington Building, Parks Road, Oxford OX1 3PT, UK
- Oxford Ion Channel Initiative, University of Oxford, Oxford OX1 3PT, UK
| | - David M. Bannerman
- Oxford Ion Channel Initiative, University of Oxford, Oxford OX1 3PT, UK
- Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Woodstock Road, Oxford OX2 6GG, UK
| | - Jonathan R. Swann
- Department of Metabolism, Digestion and Reproduction, Imperial College, South Kensington Campus, London SW7 2AZ, UK
- School of Human Development and Health, Faculty of Medicine, University of Southampton, Southampton SO16 6YD, UK
| | - Daniel C. Anthony
- Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Philip S. Poole
- Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, UK
| | - Philip W.J. Burnet
- Department of Psychiatry, University of Oxford, Warneford Lane, Oxford, OX3 7JX, UK
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Elastin-Derived Peptides in the Central Nervous System: Friend or Foe. Cell Mol Neurobiol 2021; 42:2473-2487. [PMID: 34374904 PMCID: PMC9560920 DOI: 10.1007/s10571-021-01140-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 08/03/2021] [Indexed: 12/11/2022]
Abstract
Elastin is one of the main structural matrix proteins of the arteries, lung, cartilage, elastic ligaments, brain vessels, and skin. These elastin fibers display incredible resilience and structural stability with long half-life. However, during some physiological and pathophysiological conditions, elastin is prone to proteolytic degradation and, due to the extremely low turnover rate, its degradation is practically an irreversible and irreparable phenomenon. As a result of elastin degradation, new peptides called elastin-derived peptides (EDPs) are formed. A growing body of evidence suggests that these peptides play an important role in the development of age-related vascular disease. They are also detected in the cerebrospinal fluid of healthy people, and their amount increases in patients after ischemic stroke. Recently, elastin-like polypeptides have been reported to induce overproduction of beta-amyloid in a model of Alzheimer's disease. Nevertheless, the role and mechanism of action of EDPs in the nervous system is largely unknown and limited to only a few studies. The article summarizes the current state of knowledge on the role of EDPs in the nervous system.
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