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Lee JH, Samsuzzaman M, Park MG, Park SJ, Kim SY. Methylglyoxal-derived hemoglobin advanced glycation end products induce apoptosis and oxidative stress in human umbilical vein endothelial cells. Int J Biol Macromol 2021; 187:409-421. [PMID: 34271050 DOI: 10.1016/j.ijbiomac.2021.07.058] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/08/2021] [Accepted: 07/08/2021] [Indexed: 12/30/2022]
Abstract
The presence of excess glucose promotes hemoglobin glycation via the biochemical modification of hemoglobin by dicarbonyl products. However, the precise effects of Hb-AGEs in human umbilical vein endothelial cells (HUVECs) are not known to date. Therefore, we investigated the tentative effects of Hb-AGEs in HUVECs. Initially, we used the AGE formation assay to examine the selectivity of MGO toward various proteins. Among all proteins, MGO-Hb-AGEs formation was higher compared to the formation of other dicarbonyl-mediated AGEs. Our next data demonstrated that treatment with 0.5 mg/mL of Hb-AGEs-4w significantly reduced cell viability in HUVECs. Further, we evaluated the role of MGO in conformational and structural changes in Hb. The results showed that Hb demonstrated a highly altered conformation upon incubation with MGO. Moreover, Hb-AGEs-4w treatment strongly increased ROS production, and decreased mitochondrial membrane potential in HUVECs, and moderately reduced the expression of phosphorylated forms of p-38 and JNK. We observed that Hb-AGEs-4w treatment increased the number of apoptotic cells and the Bax/Bcl-2 ratio and cleaved the nuclear enzyme PARP in HUVECs. Finally, Hb-AGEs also inhibited migration and proliferation of HUVECs, thus be physiologically significant in endothelial dysfunction. Taken together, our data suggest that Hb-AGEs may play a critical role in inducing vascular endothelial cell damage. Therefore, this study may provide a plausible explanation for the potential Hb-AGEs in human endothelial cell dysfunction of diabetic patients.
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Affiliation(s)
- Jae Hyuk Lee
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Md Samsuzzaman
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Myoung Gyu Park
- MetaCen Therapeutics Company, # Changnyong-daero 256 beon-gil, Yeongtong-gu, Suwon-si, Gyeonggi-do 16229, Republic of Korea
| | - Sung Jean Park
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Science, Gachon University, #191, Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Republic of Korea.
| | - Sun Yeou Kim
- College of Pharmacy, Gachon University, #191, Hambakmoero, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Science, Gachon University, #191, Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Republic of Korea.
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Zheng Q, Omans ND, Leicher R, Osunsade A, Agustinus AS, Finkin-Groner E, D'Ambrosio H, Liu B, Chandarlapaty S, Liu S, David Y. Reversible histone glycation is associated with disease-related changes in chromatin architecture. Nat Commun 2019; 10:1289. [PMID: 30894531 PMCID: PMC6426841 DOI: 10.1038/s41467-019-09192-z] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 02/22/2019] [Indexed: 12/16/2022] Open
Abstract
Cellular proteins continuously undergo non-enzymatic covalent modifications (NECMs) that accumulate under normal physiological conditions and are stimulated by changes in the cellular microenvironment. Glycation, the hallmark of diabetes, is a prevalent NECM associated with an array of pathologies. Histone proteins are particularly susceptible to NECMs due to their long half-lives and nucleophilic disordered tails that undergo extensive regulatory modifications; however, histone NECMs remain poorly understood. Here we perform a detailed analysis of histone glycation in vitro and in vivo and find it has global ramifications on histone enzymatic PTMs, the assembly and stability of nucleosomes, and chromatin architecture. Importantly, we identify a physiologic regulation mechanism, the enzyme DJ-1, which functions as a potent histone deglycase. Finally, we detect intense histone glycation and DJ-1 overexpression in breast cancer tumors. Collectively, our results suggest an additional mechanism for cellular metabolic damage through epigenetic perturbation, with implications in pathogenesis.
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Affiliation(s)
- Qingfei Zheng
- Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Nathaniel D Omans
- Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
- Tri-Institutional Training Program in Computational Biology and Medicine, New York, NY, 10065, USA
| | - Rachel Leicher
- Laboratory of Nanoscale Biophysics and Biochemistry, Rockefeller University, New York, NY, 10065, USA
- Tri-institutional PhD Program in Chemical Biology, New York, NY, 10065, USA
| | - Adewola Osunsade
- Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
- Tri-institutional PhD Program in Chemical Biology, New York, NY, 10065, USA
| | - Albert S Agustinus
- Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Efrat Finkin-Groner
- Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Hannah D'Ambrosio
- Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Bo Liu
- Human Oncology & Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Sarat Chandarlapaty
- Human Oncology & Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Shixin Liu
- Laboratory of Nanoscale Biophysics and Biochemistry, Rockefeller University, New York, NY, 10065, USA
| | - Yael David
- Chemical Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA.
- Tri-institutional PhD Program in Chemical Biology, New York, NY, 10065, USA.
- Department of Pharmacology, Weill Cornell Medical College, New York, NY, 10065, USA.
- Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medical College, New York, NY, 10065, USA.
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Park SH, Do MH, Lee JH, Jeong M, Lim OK, Kim SY. Inhibitory Effect of Arachis hypogaea (Peanut) and Its Phenolics against Methylglyoxal-Derived Advanced Glycation End Product Toxicity. Nutrients 2017; 9:E1214. [PMID: 29113063 PMCID: PMC5707686 DOI: 10.3390/nu9111214] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 09/07/2017] [Accepted: 10/31/2017] [Indexed: 01/06/2023] Open
Abstract
Methylglyoxal (MGO) is a highly reactive dicarbonyl compound that causes endothelial dysfunction and plays important roles in the development of diabetic complications. Peanuts are rich in energy, minerals, and antioxidants. Here, we report the potential beneficial effects of peanuts, and particularly the phenolic contents, against MGO-mediated cytotoxicity. Firstly, we optimized the extraction conditions for maximum yield of phenolics from peanuts by examining different processing methods and extraction solvents. To estimate the phenolic contents of peanut extracts, a simultaneous analysis method was developed and validated by ultra-high-performance liquid chromatography-tandem mass spectrometry. We found that roasted peanuts and their 80% methanol extracts showed the highest amount of total phenolics. Secondly, we evaluated the inhibitory effects of phenolics and peanut extracts against MGO-mediated cytotoxicity. Phenolics and peanut extracts were observed to inhibit advanced glycation end product (AGE) formation as well as to break preformed AGEs. Furthermore, pretreatment with peanut extracts significantly inhibited MGO-induced cell death and reactive oxygen species production in human umbilical vein endothelial cells. Peanut extracts prevented MGO-induced apoptosis by increasing Bcl-2 expression and decreasing Bax expression, and MGO-mediated activation of mitogen-activated protein kinases (MAPKs). In conclusion, the constituents of peanuts may prevent endothelial dysfunction and diabetic complications.
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Affiliation(s)
- Sin Hee Park
- Food and Drug Research Division, Gyeonggi Province Institute of Health and Environment, 95 Pajang cheon-ro, Jangan-gu, Suwon-si, Gyeonggi-do 16205, Korea.
| | - Moon Ho Do
- College of Pharmacy, Gachon University, 191 Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Korea.
- Division of Functional Food Research, Korea Food Research Institute, 245 Nongsaengmyeong-ro, Iseo-myeon, Wanju_gun, Jeollabuk-do 55365, Korea.
| | - Jae Hyuk Lee
- College of Pharmacy, Gachon University, 191 Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Korea.
| | - Minsun Jeong
- College of Pharmacy, Gachon University, 191 Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Korea.
| | - Oh Kyung Lim
- Department of Physical Medicine and Rehabilitation, Gil Medical Center, Gachon University, Inchon 21565, Korea.
| | - Sun Yeou Kim
- College of Pharmacy, Gachon University, 191 Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Korea.
- Gachon Institute of Pharmaceutical Science, Gachon University, 191 Hambakmoe-ro, Yeonsu-gu, Incheon 21936, Korea.
- Gachon Medical Research Institute, Gil Medical Center, Inchon 21565, Korea.
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Kaur C, Kushwaha HR, Mustafiz A, Pareek A, Sopory SK, Singla-Pareek SL. Analysis of global gene expression profile of rice in response to methylglyoxal indicates its possible role as a stress signal molecule. FRONTIERS IN PLANT SCIENCE 2015; 6:682. [PMID: 26388885 PMCID: PMC4558467 DOI: 10.3389/fpls.2015.00682] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 08/17/2015] [Indexed: 05/21/2023]
Abstract
Methylglyoxal (MG) is a toxic metabolite produced primarily as a byproduct of glycolysis. Being a potent glycating agent, it can readily bind macromolecules like DNA, RNA, or proteins, modulating their expression and activity. In plants, despite the known inhibitory effects of MG on growth and development, still limited information is available about the molecular mechanisms and response pathways elicited upon elevation in MG levels. To gain insight into the molecular basis of MG response, we have investigated changes in global gene expression profiles in rice upon exposure to exogenous MG using GeneChip microarrays. Initially, growth of rice seedlings was monitored in response to increasing MG concentrations which could retard plant growth in a dose-dependent manner. Upon exposure to 10 mM concentration of MG, a total of 1685 probe sets were up- or down-regulated by more than 1.5-fold in shoot tissues within 16 h. These were classified into 10 functional categories. The genes involved in signal transduction such as, protein kinases and transcription factors, were significantly over-represented in the perturbed transcriptome, of which several are known to be involved in abiotic and biotic stress response indicating a cross-talk between MG-responsive and stress-responsive signal transduction pathways. Through in silico studies, we could predict 7-8 bp long conserved motif as a possible MG-responsive element (MGRE) in the 1 kb upstream region of genes that were more than 10-fold up- or down-regulated in the analysis. Since several perturbations were found in signaling cascades in response to MG, we hereby suggest that it plays an important role in signal transduction probably acting as a stress signal molecule.
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Affiliation(s)
- Charanpreet Kaur
- Plant Molecular Biology Group, International Centre for Genetic Engineering and BiotechnologyNew Delhi, India
| | - Hemant R. Kushwaha
- Synthetic Biology and Biofuels Group, International Centre for Genetic Engineering and BiotechnologyNew Delhi, India
| | - Ananda Mustafiz
- Plant Molecular Biology Group, International Centre for Genetic Engineering and BiotechnologyNew Delhi, India
| | - Ashwani Pareek
- Stress Physiology and Molecular Biology Laboratory, School of Life Sciences, Jawaharlal Nehru UniversityNew Delhi, India
| | - Sudhir K. Sopory
- Plant Molecular Biology Group, International Centre for Genetic Engineering and BiotechnologyNew Delhi, India
| | - Sneh L. Singla-Pareek
- Plant Molecular Biology Group, International Centre for Genetic Engineering and BiotechnologyNew Delhi, India
- *Correspondence: Sneh L. Singla-Pareek, Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi 110067, India
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Figarola JL, Singhal J, Rahbar S, Awasthi S, Singhal SS. LR-90 prevents methylglyoxal-induced oxidative stress and apoptosis in human endothelial cells. Apoptosis 2014; 19:776-88. [PMID: 24615331 DOI: 10.1007/s10495-014-0974-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Methylglyoxal (MGO) is a highly reactive dicarbonyl compound known to induce cellular injury and cytoxicity, including apoptosis in vascular cells. Vascular endothelial cell apoptosis has been implicated in the pathophysiology and progression of atherosclerosis. We investigated whether the advanced glycation end-product inhibitor LR-90 could prevent MGO-induced apoptosis in human umbilical vascular endothelial cells (HUVECs). HUVECs were pre-treated with LR-90 and then stimulated with MGO. Cell morphology, cytotoxicity and apoptosis were evaluated by light microscopy, MTT assay, and Annexin V-FITC and propidium iodide double staining, respectively. Levels of Bax, Bcl-2, cytochrome c, mitogen-activated protein kinases (MAPKs) and caspase activities were assessed by Western blotting. Reactive oxygen species (ROS) generation and mitochondrial membrane potential (MMP) were measured with fluorescent probes. LR-90 dose-dependently prevented MGO-associated HUVEC cytotoxicity and apoptotic biochemical changes such as loss of MMP, increased Bax/Bcl-2 protein ratio, mitochondrial cytochrome c release and activation of caspase-3 and 9. Additionally, LR-90 blocked intracellular ROS formation and MAPK (p44/p42, p38, JNK) activation, though the latter seem to be not directly involved in MGO-induced HUVEC apoptosis. LR-90 prevents MGO-induced HUVEC apoptosis by inhibiting ROS and associated mitochondrial-dependent apoptotic signaling cascades, suggesting that LR-90 possess cytoprotective ability which could be beneficial in prevention of diabetic related-atherosclerosis.
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Affiliation(s)
- James L Figarola
- Departments of Diabetes and Metabolic Diseases Research, Beckman Research Institute of the City of Hope National Medical Center, NCI Designated Comprehensive Cancer Center, Gonda North, RM # 2108, 1500 E. Duarte Rd, Duarte, CA, 91010, USA
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Yang H, Kim GD, Park HR, Park YS. Comparative mRNA and microRNA expression profiling of methylglyoxal-exposed human endothelial cells. BIOCHIP JOURNAL 2013. [DOI: 10.1007/s13206-013-7207-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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An integrated analysis of microRNA and mRNA expression in salvianolic acid B-treated human umbilical vein endothelial cells. Mol Cell Toxicol 2013. [DOI: 10.1007/s13273-013-0001-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Differentially-expressed genes associated with glycophosphatidylinositol (GPI)-anchored proteins by diabetes-related toxic substances in human endothelial cells. BIOCHIP JOURNAL 2012. [DOI: 10.1007/s13206-012-6309-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Jeong SI, Lee SE, Yang H, Park CS, Cho JJ, Park YS. MicroRNA microarray analysis of human umbilical vein endothelial cells exposed to benzo(a)pyrene. BIOCHIP JOURNAL 2012. [DOI: 10.1007/s13206-012-6212-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Molecular analysis of melatonin-induced changes in breast cancer cells: microarray study of anti-cancer effect of melatonin. BIOCHIP JOURNAL 2011. [DOI: 10.1007/s13206-011-5409-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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