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Rashid MM, Hamano M, Iida M, Iwata M, Ko T, Nomura S, Komuro I, Yamanishi Y. Network-based identification of diagnosis-specific trans-omic biomarkers via integration of multiple omics data. Biosystems 2024; 236:105122. [PMID: 38199520 DOI: 10.1016/j.biosystems.2024.105122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 01/01/2024] [Accepted: 01/07/2024] [Indexed: 01/12/2024]
Abstract
The integration of multiple omics data promises to reveal new insights into the pathogenic mechanisms of complex human diseases, with the potential to identify avenues for the development of targeted therapies for disease subtypes. However, the extraction of diagnostic/disease-specific biomarkers from multiple omics data with biological pathway knowledge is a challenging issue in precision medicine. In this paper, we present a novel computational method to identify diagnosis-specific trans-omic biomarkers from multiple omics data. In the algorithm, we integrated multi-class sparse canonical correlation analysis (MSCCA) and molecular pathway analysis in order to derive discriminative molecular features that are correlated across different omics layers. We applied our proposed method to analyzing proteome and metabolome data of heart failure (HF), and extracted trans-omic biomarkers for HF subtypes; specifically, ischemic cardiomyopathy (ICM) and dilated cardiomyopathy (DCM). We were able to detect not only individual proteins that were previously reported from single-omics studies but also correlated protein-metabolite pairs characteristic of HF disease subtypes. For example, we identified hexokinase1(HK1)-d-fructose-6-phosphate as a paired trans-omic biomarker for DCM, which could significantly perturb amino-sugar metabolism. Our proposed method is expected to be useful for various applications in precision medicine.
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Affiliation(s)
- Md Mamunur Rashid
- Department of Bioscience and Bioinformatics, School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka, 820-8502, Japan; Bioinformatics Institute (BII), Agency for Science, Technology and Research (A(∗)STAR), Singapore 138671, Singapore
| | - Momoko Hamano
- Department of Bioscience and Bioinformatics, School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka, 820-8502, Japan
| | - Midori Iida
- Department of Bioscience and Bioinformatics, School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka, 820-8502, Japan; Department of Physics and Information Technology, School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka, 820-8502, Japan
| | - Michio Iwata
- Department of Bioscience and Bioinformatics, School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka, 820-8502, Japan
| | - Toshiyuki Ko
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Seitaro Nomura
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Issei Komuro
- Department of Cardiovascular Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan; International University of Health and Welafare, 4-1-26 Akasaka, Minato, Tokyo, 107-8402, Japan
| | - Yoshihiro Yamanishi
- Department of Bioscience and Bioinformatics, School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka, Fukuoka, 820-8502, Japan; Graduate School of Informatics, Nagoya University, Chikusa, Nagoya 464-8601, Japan.
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2
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Wang Y, Xie Y, Mahara G, Xiong Y, Xiong Y, Zheng Q, Chen J, Zhang W, Zhou H, Li Q. Intestinal microbiota and metabolome perturbations in ischemic and idiopathic dilated cardiomyopathy. J Transl Med 2024; 22:89. [PMID: 38254195 PMCID: PMC10804607 DOI: 10.1186/s12967-023-04605-6] [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: 06/17/2023] [Accepted: 10/06/2023] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND Various clinical similarities are present in ischemic (ICM) and idiopathic dilated cardiomyopathy (IDCM), leading to ambiguity on some occasions. Previous studies have reported that intestinal microbiota appeared dysbiosis in ICM, whether implicating in the IDCM remains unclear. The aim of this study was to assess the alterations in intestinal microbiota and fecal metabolites in ICM and IDCM. METHODS ICM (n = 20), IDCM (n = 22), and healthy controls (HC, n = 20) were enrolled in this study. Stool samples were collected for 16S rRNA gene sequencing and gas chromatography-mass spectrometry (GC-MS) analysis. RESULTS Both ICM and IDCM exhibited reduced alpha diversity and altered microbial community structure compared to HC. At the genus level, nine taxa including Blautia, [Ruminococcus]_torques_group, Christensenellaceae_R-7_group, UCG-002, Corynebacterium, Oceanobacillus, Gracilibacillus, Klebsiella and Citrobacter was specific to ICM, whereas one taxa Alistipes uniquely altered in IDCM. Likewise, these changes were accompanied by significant metabolic differences. Further differential analysis displayed that 18 and 14 specific metabolites uniquely changed in ICM and IDCM, respectively. The heatmap was generated to display the association between genera and metabolites. Receiver operating characteristic curve (ROC) analysis confirmed the predictive value of the distinct microbial-metabolite features in disease status. The results showed that microbial (area under curve, AUC = 0.95) and metabolic signatures (AUC = 0.84) were effective in discriminating ICM from HC. Based on the specific microbial and metabolic features, the patients with IDCM could be separated from HC with an AUC of 0.80 and 0.87, respectively. Furthermore, the gut microbial genus (AUC = 0.88) and metabolite model (AUC = 0.89) were comparable in predicting IDCM from ICM. Especially, the combination of fecal microbial-metabolic features improved the ability to differentiate IDCM from ICM with an AUC of 0.96. CONCLUSION Our findings highlighted the alterations of gut microbiota and metabolites in different types of cardiomyopathies, providing insights into the pathophysiological mechanisms of myocardial diseases. Moreover, multi-omics analysis of fecal samples holds promise as a non-invasive tool for distinguishing disease status.
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Affiliation(s)
- Yusheng Wang
- Department of Cardiovascular Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Yandan Xie
- Department of Cardiovascular Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Gehendra Mahara
- Clinical Research Center, Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Yanling Xiong
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Yalan Xiong
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Qifang Zheng
- Department of Cardiovascular Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Jianqin Chen
- Department of Cardiovascular Internal Medicine, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, Guangdong, China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Honghao Zhou
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
| | - Qing Li
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China.
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3
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Belosludtseva NV, Pavlik LL, Mikheeva IB, Talanov EY, Serov DA, Khurtin DA, Belosludtsev KN, Mironova GD. Protective Effect of Uridine on Structural and Functional Rearrangements in Heart Mitochondria after a High-Dose Isoprenaline Exposure Modelling Stress-Induced Cardiomyopathy in Rats. Int J Mol Sci 2023; 24:17300. [PMID: 38139129 PMCID: PMC10744270 DOI: 10.3390/ijms242417300] [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: 11/22/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
The pyrimidine nucleoside uridine and its phosphorylated derivates have been shown to be involved in the systemic regulation of energy and redox balance and promote the regeneration of many tissues, including the myocardium, although the underlying mechanisms are not fully understood. Moreover, rearrangements in mitochondrial structure and function within cardiomyocytes are the predominant signs of myocardial injury. Accordingly, this study aimed to investigate whether uridine could alleviate acute myocardial injury induced by isoprenaline (ISO) exposure, a rat model of stress-induced cardiomyopathy, and to elucidate the mechanisms of its action related to mitochondrial dysfunction. For this purpose, a biochemical analysis of the relevant serum biomarkers and ECG monitoring were performed in combination with transmission electron microscopy and a comprehensive study of cardiac mitochondrial functions. The administration of ISO (150 mg/kg, twice with an interval of 24 h, s.c.) to rats caused myocardial degenerative changes, a sharp increase in the serum cardiospecific markers troponin I and the AST/ALT ratio, and a decline in the ATP level in the left ventricular myocardium. In parallel, alterations in the organization of sarcomeres with focal disorganization of myofibrils, and ultrastructural and morphological defects in mitochondria, including disturbances in the orientation and packing density of crista membranes, were detected. These malfunctions were improved by pretreatment with uridine (30 mg/kg, twice with an interval of 24 h, i.p.). Uridine also led to the normalization of the QT interval. Moreover, uridine effectively inhibited ISO-induced ROS overproduction and lipid peroxidation in rat heart mitochondria. The administration of uridine partially recovered the protein level of the respiratory chain complex V, along with the rates of ATP synthesis and mitochondrial potassium transport, suggesting the activation of the potassium cycle through the mitoKATP channel. Taken together, these results indicate that uridine ameliorates acute ISO-induced myocardial injury and mitochondrial malfunction, which may be due to the activation of mitochondrial potassium recycling and a mild uncoupling leading to decreased ROS generation and oxidative damage.
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Affiliation(s)
- Natalia V. Belosludtseva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia; (L.L.P.); (I.B.M.); (E.Y.T.); (K.N.B.)
| | - Lubov L. Pavlik
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia; (L.L.P.); (I.B.M.); (E.Y.T.); (K.N.B.)
| | - Irina B. Mikheeva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia; (L.L.P.); (I.B.M.); (E.Y.T.); (K.N.B.)
| | - Eugeny Yu. Talanov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia; (L.L.P.); (I.B.M.); (E.Y.T.); (K.N.B.)
| | - Dmitriy A. Serov
- Prokhorov General Physics Institute, Russian Academy of Sciences, Vavilov St. 38, 119991 Moscow, Russia;
| | - Dmitriy A. Khurtin
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia;
| | - Konstantin N. Belosludtsev
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia; (L.L.P.); (I.B.M.); (E.Y.T.); (K.N.B.)
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia;
| | - Galina D. Mironova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia; (L.L.P.); (I.B.M.); (E.Y.T.); (K.N.B.)
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Venediktova N, Solomadin I, Nikiforova A, Belosludtsev KN, Mironova G. Effects of the Long-Term Administration of Uridine on the Functioning of Rat Liver Mitochondria in Hyperthyroidism. Int J Mol Sci 2023; 24:16730. [PMID: 38069053 PMCID: PMC10706195 DOI: 10.3390/ijms242316730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
The effect of uridine (30 mg/kg for 7 days; intraperitoneally) on the functions of liver mitochondria in rats with experimentally induced hyperthyroidism (HT) (200 µg/100 g for 7 days, intraperitoneally) is studied in this paper. An excess of thyroid hormones (THs) led to an intensification of energy metabolism, the development of oxidative stress, a significant increase in the biogenesis, and changes in the content of proteins responsible for the fusion and fission of mitochondria. The injection of uridine did not change the concentration of THs in the blood of hyperthyroid rats (HRs) but normalized their body weight. The exposure to uridine improved the parameters of oxidative phosphorylation and corrected the activity of some complexes of the electron transport chain (ETC) in the liver mitochondria of HRs. The analysis of ETC complexes showed that the level of CI-CV did not change by the action of uridine in rats with the condition of HT. The application of uridine caused a significant increase in the activity of superoxide dismutase and lowered the rate of hydrogen peroxide production. It was found that uridine affected mitochondrial biogenesis by increasing the expression of the genes Ppargc1a and NRF1 and diminishing the expression of the Parkin gene responsible for mitophagy compared with the control animals. In addition, the mRNA level of the OPA1 gene was restored, which may indicate an improvement in the ETC activity and oxidative phosphorylation in the mitochondria of HR. As a whole, the results obtained demonstrate that uridine has a protective effect against HT-mediated functional disorders in the metabolism of rat liver mitochondria.
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Affiliation(s)
- Natalya Venediktova
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Ilya Solomadin
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Anna Nikiforova
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
| | - Konstantin N. Belosludtsev
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Galina Mironova
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, 142290 Pushchino, Russia
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5
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Xu X, Zhang X, Cheng S, Li Q, Chen C, Ouyang M. Protective effect of uridine on atrial fibrillation: a Mendelian randomisation study. Sci Rep 2023; 13:19639. [PMID: 37950049 PMCID: PMC10638443 DOI: 10.1038/s41598-023-47025-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 11/08/2023] [Indexed: 11/12/2023] Open
Abstract
Uridine, a pyrimidine nucleoside, is crucial in the synthesis of metabolites. According to observational studies, a higher plasma uridine level is associated with a lower risk of atrial fibrillation (AF). However, the casual relationship between uridine and AF is still unknown. In this study, we used the Mendelian randomisation (MR) approach to explore causality. Three genetic variants associated with uridine were identified from the Metabolomics GWAS server (7824 participants); summary-level datasets associated with AF were acquired from a genome-wide association study (GWAS) meta-analysis with 1,030,836 European participants (60,620 AF cases). We duplicated the MR analyses using datasets from AF HRC studies and the FinnGen Consortium, and then conducted a meta-analysis which combined the main results. The risk of AF was significantly associated with the genetically determined plasma uridine level (odds ratio [OR] 0.27; 95% confidence interval [CI] 0.16, 0.47; p = 2.39 × 10-6). The association remained consistent in the meta-analysis of the various datasets (OR 0.27; 95% CI 0.17, 0.42; p = 1.34 × 10-8). In conclusion, the plasma uridine level is inversely associated with the risk of AF. Raising the plasma uridine level may have prophylactic potential against AF.
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Affiliation(s)
- Xintian Xu
- Department of Cardiology, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuancun Erheng Road, Guangzhou, 510655, Guangdong, People's Republic of China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China
| | - Xiaoyu Zhang
- Department of Cardiology, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuancun Erheng Road, Guangzhou, 510655, Guangdong, People's Republic of China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China
| | - Shiyao Cheng
- Department of Cardiology, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuancun Erheng Road, Guangzhou, 510655, Guangdong, People's Republic of China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China
| | - Qinglang Li
- Department of Cardiology, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuancun Erheng Road, Guangzhou, 510655, Guangdong, People's Republic of China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China
| | - Cai Chen
- Department of Cardiology, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuancun Erheng Road, Guangzhou, 510655, Guangdong, People's Republic of China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China
| | - Mao Ouyang
- Department of Cardiology, The Sixth Affiliated Hospital, Sun Yat-Sen University, 26 Yuancun Erheng Road, Guangzhou, 510655, Guangdong, People's Republic of China.
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, People's Republic of China.
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Dubinin MV, Belosludtseva NV, Mikheeva IB, Chelyadnikova YA, Penkina DK, Vafina AB, Starinets VS, Kireev II, Belosludtsev KN. Uridine Administration Promotes Normalization of Heart Mitochondrial Function in Dystrophin-Deficient Mice and Decreases Tissue Fibrosis. Bull Exp Biol Med 2023; 176:54-59. [PMID: 38091140 DOI: 10.1007/s10517-023-05966-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Indexed: 12/19/2023]
Abstract
The work shows the effect of the metabolic modulator uridine on the functioning and ultrastructure of heart mitochondria in dystrophin-deficient mdx mice. Intraperitoneal administration of uridine (30 mg/kg/day for 28 days) improved K+ transport and increased its content in the heart mitochondria of mdx mice to the level of wild-type animals. This was accompanied by a significant decrease in the level of malondialdehyde and an increase in the number of mitochondria in the heart of mdx mice. At the same time, uridine did not affect the hyperfunctionality of mitochondria in mdx mice, which manifested in an increase in the calcium retention capacity. Nevertheless, we noted that uridine causes a significant decrease in the level of fibrosis in the heart of mdx mice, which attested to a positive effect of therapy.
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Affiliation(s)
- M V Dubinin
- Mari State University, Yoshkar-Ola, Mari El Republic, Russia.
| | - N V Belosludtseva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow region, Russia
| | - I B Mikheeva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow region, Russia
| | | | - D K Penkina
- Mari State University, Yoshkar-Ola, Mari El Republic, Russia
| | - A B Vafina
- Mari State University, Yoshkar-Ola, Mari El Republic, Russia
| | - V S Starinets
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow region, Russia
| | - I I Kireev
- A. N. Belozersky Institute of Physico-Chemical Biology, M. V. Lomonosov Moscow State University, Moscow, Russia
| | - K N Belosludtsev
- Mari State University, Yoshkar-Ola, Mari El Republic, Russia
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow region, Russia
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7
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Uspalenko NI, Mosentsov AA, Khmil NV, Pavlik LL, Belosludtseva NV, Khunderyakova NV, Shigaeva MI, Medvedeva VP, Malkov AE, Kitchigina VF, Mironova GD. Uridine as a Regulator of Functional and Ultrastructural Changes in the Brain of Rats in a Model of 6-OHDA-Induced Parkinson's Disease. Int J Mol Sci 2023; 24:14304. [PMID: 37762607 PMCID: PMC10531918 DOI: 10.3390/ijms241814304] [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: 07/31/2023] [Revised: 09/12/2023] [Accepted: 09/16/2023] [Indexed: 09/29/2023] Open
Abstract
Using a model of Parkinson's disease (PD) induced by the bilateral injection of neurotoxin 6-hydroxydopamine (6-OHDA) into rat brain substantia nigra (SN), we showed uridine to exert a protective effect associated with activation of the mitochondrial ATP-dependent potassium (mitoK-ATP) channel. Injection of 4 µg neurotoxin evoked a 70% decrease in the time the experimental animal spent on the rod in the RotaRod test, an increase in the amount of lipid peroxides in blood serum and cerebral-cortex mitochondria and the rate of reactive oxygen species formation, and a decrease in Ca2+ retention in mitochondria. Herewith, lymphocytes featured an increase in the activity of lactate dehydrogenase, a cytosolic enzyme of glycolysis, without changes in succinate-dehydrogenase activity. Structural changes occurring in the SN and striatum manifested themselves in the destruction of mitochondria, degeneration of neurons and synapses, and stratification of myelin sheaths in them. Subcutaneous injections of 30 µg/kg uridine for 22 days restored the neurotoxin-induced changes in these parameters to levels close to the control. 5-Hydroxydecanoate (5 mg/kg), a specific mitoK-ATP channel inhibitor, eliminated the beneficial effect of uridine for almost all characteristics tested, indicating the involvement of the mitoK-ATP channel in the protective effect of uridine. The mechanism of the protective effect of uridine and its therapeutic applications for the prevention and treatment of PD are discussed.
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Affiliation(s)
- Nina I. Uspalenko
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
- Pushchino State Natural Science Institute, Pushchino 142290, Russia
| | - Alexei A. Mosentsov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
| | - Natalia V. Khmil
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
| | - Lyubov L. Pavlik
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
| | - Natalia V. Belosludtseva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
- Pushchino State Natural Science Institute, Pushchino 142290, Russia
| | - Natalia V. Khunderyakova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
- Pushchino State Natural Science Institute, Pushchino 142290, Russia
| | - Maria I. Shigaeva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
| | - Vasilisa P. Medvedeva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
- Pushchino State Natural Science Institute, Pushchino 142290, Russia
| | - Anton E. Malkov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
| | - Valentina F. Kitchigina
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
| | - Galina D. Mironova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia; (N.I.U.); (A.A.M.); (N.V.K.); (L.L.P.); (N.V.B.); (N.V.K.); (M.I.S.); (V.P.M.); (A.E.M.); (V.F.K.)
- Pushchino State Natural Science Institute, Pushchino 142290, Russia
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8
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Cheng T, Wang H, Hu Y. The causal effects of genetically determined human blood metabolites on the risk of atrial fibrillation. Front Cardiovasc Med 2023; 10:1211458. [PMID: 37564907 PMCID: PMC10410273 DOI: 10.3389/fcvm.2023.1211458] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 07/14/2023] [Indexed: 08/12/2023] Open
Abstract
Background Blood metabolites have been found related to atrial fibrillation (AF), but the causal role is still unclear. Mendel randomization (MR) can give information about the causality between blood metabolites and AF. Methods Two-sample MR analysis was used to evaluate the causality between 486 blood metabolites and AF. Firstly, the genome-wide association study (GWAS) data for AF (from Nielsen et al.) was analyzed and some metabolites were identified. Then another GWAS data for AF (from Roselli et al.) was repeatedly analyzed to verify the results. Inverse variance weighted method was mainly used to determine the causality, and MR-egger, Weighted Median, and MR-PRESSO models were used as supplements of MR. Cochran's Q test was used to assess heterogeneity. And MR-Egger intercept and MR-PRESSO global test were performed to measure pleiotropy. Results The study used Bonferroni's corrected P value (P < 1.03 × 10-4) as the significance threshold. After MR analysis and replication analysis, we found two overlapped metabolites. Among which tryptophan betaine was the most significant causal metabolite in both AF GWAS data (from Nielsen et al.) (odds ratio (OR) = 0.83, 95% confidence interval (CI) = 0.76-0.90, P = 9.37 × 10-6) and AF GWAS data (from Roselli et al.) (OR = 0.82, 95% CI = 0.76-0.88, P = 2.00 × 10-7), while uridine was nominally significant metabolites in both AF GWAS data (from Nielsen et al.) (OR = 0.58, 95% CI = 0.40-0.84, P = 0.004) and AF GWAS data (from Roselli et al.) (OR = 0.56, 95% CI = 0.35-0.88, P = 0.01). And the results of sensitivity analysis showed that none of them had obvious heterogeneity or pleiotropy. Conclusion The study identified several blood metabolites that were causally related to AF, which may provide new perspectives on the pathogenesis of AF.
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Affiliation(s)
- Tao Cheng
- Department of Cardiological Medicine, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
- Beijing University of ChineseMedicine, Beijing, China
| | - Huan Wang
- Department of Cardiological Medicine, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
| | - Yuanhui Hu
- Department of Cardiological Medicine, China Academy of Chinese Medical Sciences Guang’anmen Hospital, Beijing, China
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9
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Behera R, Sharma V, Grewal AK, Kumar A, Arora B, Najda A, Albadrani GM, Altyar AE, Abdel-Daim MM, Singh TG. Mechanistic correlation between mitochondrial permeability transition pores and mitochondrial ATP dependent potassium channels in ischemia reperfusion. Biomed Pharmacother 2023; 162:114599. [PMID: 37004326 DOI: 10.1016/j.biopha.2023.114599] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 04/03/2023] Open
Abstract
Mitochondrial dysfunction is one of the fundamental causes of ischemia reperfusion (I/R) damage. I/R refers to the paradoxical progression of cellular dysfunction and death that occurs when blood flow is restored to previously ischemic tissues. I/R causes a significant rise in mitochondrial permeability resulting in the opening of mitochondrial permeability transition pores (MPTP). The MPTP are broad, nonspecific channels present in the inner mitochondrial membrane (IMM), and are known to mediate the deadly permeability alterations that trigger mitochondrial driven cell death. Protection from reperfusion injury occurs when long-term ischemia is accompanied by short-term ischemic episodes or inhibition of MPTP from opening via mitochondrial ATP dependent potassium (mitoKATP) channels. These channels located in the IMM, play an essential role in ischemia preconditioning (PC) and protect against cell death by blocking MPTP opening. This review primarily focuses on the interaction between the MPTP and mitoKATP along with their role in the I/R injury. This article also describes the molecular composition of the MPTP and mitoKATP in order to promote future knowledge and treatment of diverse I/R injuries in various organs.
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10
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Samartsev VN, Khoroshavina EI, Pavlova EK, Dubinin MV, Semenova AA. Bile Acids as Inducers of Protonophore and Ionophore Permeability of Biological and Artificial Membranes. MEMBRANES 2023; 13:membranes13050472. [PMID: 37233533 DOI: 10.3390/membranes13050472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023]
Abstract
It is now generally accepted that the role of bile acids in the organism is not limited to their participation in the process of food digestion. Indeed, bile acids are signaling molecules and being amphiphilic compounds, are also capable of modifying the properties of cell membranes and their organelles. This review is devoted to the analysis of data on the interaction of bile acids with biological and artificial membranes, in particular, their protonophore and ionophore effects. The effects of bile acids were analyzed depending on their physicochemical properties: namely the structure of their molecules, indicators of the hydrophobic-hydrophilic balance, and the critical micelle concentration. Particular attention is paid to the interaction of bile acids with the powerhouse of cells, the mitochondria. It is of note that bile acids, in addition to their protonophore and ionophore actions, can also induce Ca2+-dependent nonspecific permeability of the inner mitochondrial membrane. We consider the unique action of ursodeoxycholic acid as an inducer of potassium conductivity of the inner mitochondrial membrane. We also discuss a possible relationship between this K+ ionophore action of ursodeoxycholic acid and its therapeutic effects.
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Affiliation(s)
- Victor N Samartsev
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Ekaterina I Khoroshavina
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Evgeniya K Pavlova
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Mikhail V Dubinin
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Alena A Semenova
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
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11
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Lai K, Song C, Gao M, Deng Y, Lu Z, Li N, Geng Q. Uridine Alleviates Sepsis-Induced Acute Lung Injury by Inhibiting Ferroptosis of Macrophage. Int J Mol Sci 2023; 24:ijms24065093. [PMID: 36982166 PMCID: PMC10049139 DOI: 10.3390/ijms24065093] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 03/30/2023] Open
Abstract
Uridine metabolism is extensively reported to be involved in combating oxidative stress. Redox-imbalance-mediated ferroptosis plays a pivotal role in sepsis-induced acute lung injury (ALI). This study aims to explore the role of uridine metabolism in sepsis-induced ALI and the regulatory mechanism of uridine in ferroptosis. The Gene Expression Omnibus (GEO) datasets including lung tissues in lipopolysaccharides (LPS) -induced ALI model or human blood sample of sepsis were collected. In vivo and vitro, LPS was injected into mice or administered to THP-1 cells to generate sepsis or inflammatory models. We identified that uridine phosphorylase 1 (UPP1) was upregulated in lung tissues and septic blood samples and uridine significantly alleviated lung injury, inflammation, tissue iron level and lipid peroxidation. Nonetheless, the expression of ferroptosis biomarkers, including SLC7A11, GPX4 and HO-1, were upregulated, while lipid synthesis gene (ACSL4) expression was greatly restricted by uridine supplementation. Moreover, pretreatment of ferroptosis inducer (Erastin or Era) weakened while inhibitor (Ferrostatin-1 or Fer-1) strengthened the protective effects of uridine. Mechanistically, uridine inhibited macrophage ferroptosis by activating Nrf2 signaling pathway. In conclusion, uridine metabolism dysregulation is a novel accelerator for sepsis-induced ALI and uridine supplementation may offer a potential avenue for ameliorating sepsis-induced ALI by suppressing ferroptosis.
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Affiliation(s)
- Kai Lai
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Congkuan Song
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Minglang Gao
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Yu Deng
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Zilong Lu
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Ning Li
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Qing Geng
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
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12
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Marzook H, Gupta A, Tomar D, Saleh MA, Patil K, Semreen MH, Hamoudi R, Soares NC, Qaisar R, Ahmad F. Nicotinamide riboside kinase-2 regulates metabolic adaptation in the ischemic heart. J Mol Med (Berl) 2023; 101:311-326. [PMID: 36808555 DOI: 10.1007/s00109-023-02296-6] [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: 11/22/2022] [Revised: 01/18/2023] [Accepted: 02/06/2023] [Indexed: 02/23/2023]
Abstract
Ischemia-induced metabolic remodeling plays a critical role in the pathogenesis of adverse cardiac remodeling and heart failure however, the underlying molecular mechanism is largely unknown. Here, we assess the potential roles of nicotinamide riboside kinase-2 (NRK-2), a muscle-specific protein, in ischemia-induced metabolic switch and heart failure through employing transcriptomic and metabolomic approaches in ischemic NRK-2 knockout mice. The investigations revealed NRK-2 as a novel regulator of several metabolic processes in the ischemic heart. Cardiac metabolism and mitochondrial function and fibrosis were identified as top dysregulated cellular processes in the KO hearts post-MI. Several genes linked to mitochondrial function, metabolism, and cardiomyocyte structural proteins were severely downregulated in the ischemic NRK-2 KO hearts. Analysis revealed significantly upregulated ECM-related pathways which was accompanied by the upregulation of several key cell signaling pathways including SMAD, MAPK, cGMP, integrin, and Akt in the KO heart post-MI. Metabolomic studies identified profound upregulation of metabolites mevalonic acid, 3,4-dihydroxyphenylglycol, 2-penylbutyric acid, and uridine. However, other metabolites stearic acid, 8,11,14-eicosatrienoic acid, and 2-pyrrolidinone were significantly downregulated in the ischemic KO hearts. Taken together, these findings suggest that NRK-2 promotes metabolic adaptation in the ischemic heart. The aberrant metabolism in the ischemic NRK-2 KO heart is largely driven by dysregulated cGMP and Akt and mitochondrial pathways. KEY MESSAGES: Post-myocardial infarction metabolic switch critically regulates the pathogenesis of adverse cardiac remodeling and heart failure. Here, we report NRK-2 as a novel regulator of several cellular processes including metabolism and mitochondrial function post-MI. NRK-2 deficiency leads to downregulation of genes important for mitochondrial pathway, metabolism, and cardiomyocyte structural proteins in the ischemic heart. It was accompanied by upregulation of several key cell signaling pathways including SMAD, MAPK, cGMP, integrin, and Akt and dysregulation of numerous metabolites essential for cardiac bioenergetics. Taken together, these findings suggest that NRK-2 is critical for metabolic adaptation of the ischemic heart.
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Affiliation(s)
- Hezlin Marzook
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
| | - Anamika Gupta
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
| | - Dhanendra Tomar
- Department of Internal Medicine, Section On Cardiovascular Medicine, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Mohamed A Saleh
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
| | - Kiran Patil
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
| | - Mohammad H Semreen
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, P.O. 27272, Sharjah, United Arab Emirates
| | - Rifat Hamoudi
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
- Division of Surgery and Interventional Science, University College London, London, W1W 7EJ, UK
| | - Nelson C Soares
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, P.O. 27272, Sharjah, United Arab Emirates
- Laboratory of Proteomics, Department of Human Genetics, National Institute of Health Doutor Ricardo Jorge (INSA), Av.a Padre Cruz, Lisbon, 1649-016, Portugal
| | - Rizwan Qaisar
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, 27272, UAE
| | - Firdos Ahmad
- Research Institute of Medical and Health Sciences, University of Sharjah, P.O. 27272 , Sharjah, United Arab Emirates.
- Department of Biomedical Sciences, College of Health Sciences, Abu Dhabi University, 59911, Abu Dhabi, United Arab Emirates.
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, TN, 37240, USA.
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13
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Germanova E, Khmil N, Pavlik L, Mikheeva I, Mironova G, Lukyanova L. The Role of Mitochondrial Enzymes, Succinate-Coupled Signaling Pathways and Mitochondrial Ultrastructure in the Formation of Urgent Adaptation to Acute Hypoxia in the Myocardium. Int J Mol Sci 2022; 23:ijms232214248. [PMID: 36430733 PMCID: PMC9696391 DOI: 10.3390/ijms232214248] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/21/2022] [Accepted: 11/13/2022] [Indexed: 11/19/2022] Open
Abstract
The effect of a single one-hour exposure to three modes of hypobaric hypoxia (HBH) differed in the content of O2 in inhaled air (FiO2-14%, 10%, 8%) in the development of mitochondrial-dependent adaptive processes in the myocardium was studied in vivo. The following parameters have been examined: (a) an urgent reaction of catalytic subunits of mitochondrial enzymes (NDUFV2, SDHA, Cyt b, COX2, ATP5A) in the myocardium as an indicator of the state of the respiratory chain electron transport function; (b) an urgent activation of signaling pathways dependent on GPR91, HIF-1α and VEGF, allowing us to assess their role in the formation of urgent mechanisms of adaptation to hypoxia in the myocardium; (c) changes in the ultrastructure of three subpopulations of myocardial mitochondria under these conditions. The studies were conducted on two rat phenotypes: rats with low resistance (LR) and high resistance (HR) to hypoxia. The adaptive and compensatory role of the mitochondrial complex II (MC II) in maintaining the electron transport and energy function of the myocardium in a wide range of reduced O2 concentrations in the initial period of hypoxic exposure has been established. The features of urgent reciprocal regulatory interaction of NAD- and FAD-dependent oxidation pathways in myocardial mitochondria under these conditions have been revealed. The data indicating the participation of GPR91, HIF-1a and VEGF in this process have been obtained. The ultrastructure of the mitochondrial subpopulations in the myocardium of LR and HR rats differed in normoxic conditions and reacted differently to hypoxia of varying severity. The parameters studied together are highly informative indicators of the quality of cardiac activity and metabolic biomarkers of urgent adaptation in various hypoxic conditions.
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Affiliation(s)
- Elita Germanova
- Institute of General Pathology and Pathophysiology, 8 Baltijskaya Str., Moscow 125315, Russia
| | - Natalya Khmil
- Institute of Theoretical and Experimental Biophysics RAS, 3 Institutskaya Str., Pushchino 142290, Moscow Region, Russia
| | - Lyubov Pavlik
- Institute of Theoretical and Experimental Biophysics RAS, 3 Institutskaya Str., Pushchino 142290, Moscow Region, Russia
| | - Irina Mikheeva
- Institute of Theoretical and Experimental Biophysics RAS, 3 Institutskaya Str., Pushchino 142290, Moscow Region, Russia
| | - Galina Mironova
- Institute of Theoretical and Experimental Biophysics RAS, 3 Institutskaya Str., Pushchino 142290, Moscow Region, Russia
- Correspondence: (G.M.); (L.L.)
| | - Ludmila Lukyanova
- Institute of General Pathology and Pathophysiology, 8 Baltijskaya Str., Moscow 125315, Russia
- Correspondence: (G.M.); (L.L.)
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14
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Dubinin MV, Starinets VS, Belosludtseva NV, Mikheeva IB, Chelyadnikova YA, Penkina DK, Vedernikov AA, Belosludtsev KN. The Effect of Uridine on the State of Skeletal Muscles and the Functioning of Mitochondria in Duchenne Dystrophy. Int J Mol Sci 2022; 23:ijms231810660. [PMID: 36142572 PMCID: PMC9500747 DOI: 10.3390/ijms231810660] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/06/2022] [Accepted: 09/10/2022] [Indexed: 12/16/2022] Open
Abstract
Duchenne muscular dystrophy is caused by the loss of functional dystrophin that secondarily causes systemic metabolic impairment in skeletal muscles and cardiomyocytes. The nutraceutical approach is considered as a possible complementary therapy for this pathology. In this work, we have studied the effect of pyrimidine nucleoside uridine (30 mg/kg/day for 28 days, i.p.), which plays an important role in cellular metabolism, on the development of DMD in the skeletal muscles of dystrophin deficient mdx mice, as well as its effect on the mitochondrial dysfunction that accompanies this pathology. We found that chronic uridine administration reduced fibrosis in the skeletal muscles of mdx mice, but it had no effect on the intensity of degeneration/regeneration cycles and inflammation, pseudohypetrophy, and muscle strength of the animals. Analysis of TEM micrographs showed that uridine also had no effect on the impaired mitochondrial ultrastructure of mdx mouse skeletal muscle. The administration of uridine was found to lead to an increase in the expression of the Drp1 and Parkin genes, which may indicate an increase in the intensity of organelle fission and the normalization of mitophagy. Uridine had little effect on OXPHOS dysfunction in mdx mouse mitochondria, and moreover, it was suppressed in the mitochondria of wild type animals. At the same time, uridine restored the transport of potassium ions and reduced the production of reactive oxygen species; however, this had no effect on the impaired calcium retention capacity of mdx mouse mitochondria. The obtained results demonstrate that the used dose of uridine only partially prevents mitochondrial dysfunction in skeletal muscles during Duchenne dystrophy, though it mitigates the development of destructive processes in skeletal muscles.
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Affiliation(s)
- Mikhail V. Dubinin
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
- Correspondence: ; Tel.: +7-987-701-0437
| | - Vlada S. Starinets
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia
| | - Natalia V. Belosludtseva
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia
| | - Irina B. Mikheeva
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia
| | - Yuliya A. Chelyadnikova
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Daria K. Penkina
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Alexander A. Vedernikov
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
| | - Konstantin N. Belosludtsev
- Department of Biochemistry, Cell Biology and Microbiology, Mari State University, pl. Lenina 1, 424001 Yoshkar-Ola, Russia
- Laboratory of Mitochondrial Transport, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Institutskaya 3, 142290 Pushchino, Russia
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15
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Effect of Chronic Treatment with Uridine on Cardiac Mitochondrial Dysfunction in the C57BL/6 Mouse Model of High-Fat Diet–Streptozotocin-Induced Diabetes. Int J Mol Sci 2022; 23:ijms231810633. [PMID: 36142532 PMCID: PMC9502122 DOI: 10.3390/ijms231810633] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 11/19/2022] Open
Abstract
Long-term hyperglycemia in diabetes mellitus is associated with complex damage to cardiomyocytes and the development of mitochondrial dysfunction in the myocardium. Uridine, a pyrimidine nucleoside, plays an important role in cellular metabolism and is used to improve cardiac function. Herein, the antidiabetic potential of uridine (30 mg/kg/day for 21 days, i.p.) and its effect on mitochondrial homeostasis in the heart tissue were examined in a high-fat diet–streptozotocin-induced model of diabetes in C57BL/6 mice. We found that chronic administration of uridine to diabetic mice normalized plasma glucose and triglyceride levels and the heart weight/body weight ratio and increased the rate of glucose utilization during the intraperitoneal glucose tolerance test. Analysis of TEM revealed that uridine prevented diabetes-induced ultrastructural abnormalities in mitochondria and sarcomeres in ventricular cardiomyocytes. In diabetic heart tissue, the mRNA level of Ppargc1a decreased and Drp1 and Parkin gene expression increased, suggesting the disturbances of mitochondrial biogenesis, fission, and mitophagy, respectively. Uridine treatment of diabetic mice restored the mRNA level of Ppargc1a and enhanced Pink1 gene expression, which may indicate an increase in the intensity of mitochondrial biogenesis and mitophagy, and as a consequence, mitochondrial turnover. Uridine also reduced oxidative phosphorylation dysfunction and suppressed lipid peroxidation, but it had no significant effect on the impaired calcium retention capacity and potassium transport in the heart mitochondria of diabetic mice. Altogether, these findings suggest that, along with its hypoglycemic effect, uridine has a protective action against diabetes-mediated functional and structural damage to cardiac mitochondria and disruption of mitochondrial quality-control systems in the diabetic heart.
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16
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Nijat D, Xu L, Kuang Y, Yu R, Zhang Y, Hasan A, Su H, Qiao X, Yang Y, Ye M. A pharmacokinetic-pharmacodynamic study to elucidate the cardiovascular protective constituents in Danhong Injection. J Pharm Biomed Anal 2022; 219:114953. [PMID: 35901531 DOI: 10.1016/j.jpba.2022.114953] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 07/15/2022] [Accepted: 07/16/2022] [Indexed: 10/17/2022]
Abstract
Danhong Injection (DHI) is one of the most popular Chinese medicine formulations to treat cardiovascular diseases. However, the effective components of DHI have not been well addressed. In the present study, a pharmacokinetics-pharmacodynamics (PK-PD) approach was employed to elucidate the effective compounds of DHI for the first time. Firstly, the cardiovascular protective effect of DHI was demonstrated on an adrenaline-induced acute blood stasis rat model by echocardiography and histopathology. Secondly, the levels of four blood stasis-related cytokines in plasma were examined by ELISA. Thirdly, the plasma concentrations of 10 compounds in DHI were determined using UHPLC-Q-Orbitrap-MS. Finally, PK-PD profiles were established to describe the relationship between compound concentrations and cytokine levels in plasma at 0-12 h following DHI administration. The results showed that DHI attenuated cardiovascular injury and regulated IL-2, cTnT, VEGF, and VEGFR-1. Except for the endogenous metabolites cytidine and uridine, danshensu, rosmarinic acid, and salvianolic acid B exhibited the highest plasma exposure. PK-PD correlation analysis indicated that concentrations of salvianolic acid A, caffeic acid, and ferulic acid were negatively correlated with the level of cTnT, while the concentration of salvianolic acid A was negatively correlated with the level of IL-2. These compounds may contribute to the cardiovascular protective effect of DHI.
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Affiliation(s)
- Dilaram Nijat
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Lulu Xu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Yi Kuang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Rong Yu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Yang Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Aobulikasimu Hasan
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Huifei Su
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China
| | - Xue Qiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China; Peking University-Yunnan Baiyao International Medical Research Center, 38 Xueyuan Road, Beijing 100191, China
| | - Yanfang Yang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China.
| | - Min Ye
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, 38 Xueyuan Road, Beijing 100191, China; Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University, 38 Xueyuan Road, Beijing 100191, China.
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17
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Wang Z, Bian W, Yan Y, Zhang DM. Functional Regulation of KATP Channels and Mutant Insight Into Clinical Therapeutic Strategies in Cardiovascular Diseases. Front Pharmacol 2022; 13:868401. [PMID: 35837280 PMCID: PMC9274113 DOI: 10.3389/fphar.2022.868401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 06/03/2022] [Indexed: 11/13/2022] Open
Abstract
ATP-sensitive potassium channels (KATP channels) play pivotal roles in excitable cells and link cellular metabolism with membrane excitability. The action potential converts electricity into dynamics by ion channel-mediated ion exchange to generate systole, involved in every heartbeat. Activation of the KATP channel repolarizes the membrane potential and decreases early afterdepolarization (EAD)-mediated arrhythmias. KATP channels in cardiomyocytes have less function under physiological conditions but they open during severe and prolonged anoxia due to a reduced ATP/ADP ratio, lessening cellular excitability and thus preventing action potential generation and cell contraction. Small active molecules activate and enhance the opening of the KATP channel, which induces the repolarization of the membrane and decreases the occurrence of malignant arrhythmia. Accumulated evidence indicates that mutation of KATP channels deteriorates the regulatory roles in mutation-related diseases. However, patients with mutations in KATP channels still have no efficient treatment. Hence, in this study, we describe the role of KATP channels and subunits in angiocardiopathy, summarize the mutations of the KATP channels and the functional regulation of small active molecules in KATP channels, elucidate the potential mechanisms of mutant KATP channels and provide insight into clinical therapeutic strategies.
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Affiliation(s)
- Zhicheng Wang
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Weikang Bian
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Yufeng Yan
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Dai-Min Zhang
- Department of Cardiology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
- Department of Cardiology, Sir Run Run Hospital, Nanjing Medical University, Nanjing, China
- *Correspondence: Dai-Min Zhang,
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Zhang L, Li B, Zhang D, Wang Z, Zhao Y, Yu Q. Uridine alleviates LPS-induced ARDS and improves insulin sensitivity by decreasing oxidative stress and inflammatory processes. Physiol Int 2022; 109:215-229. [PMID: 35895566 DOI: 10.1556/2060.2022.00169] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/26/2021] [Accepted: 02/24/2022] [Indexed: 11/19/2022]
Abstract
Acute respiratory distress syndrome (ARDS) refers to the injury of alveolar epithelial cells and capillary endothelial cells due to various injury factors. Research on the pathogenesis of ARDS has made great progress, but the exact pathogenesis of ARDS has not been fully elucidated. Up to now, the prevention and treatment of ARDS is still an important scientific problem that needs to be solved urgently. In this work, we analyzed the effect of uridine on ARDS. An ARDS model was successfully constructed by lipopolysaccharide (LPS) stimulation. Western-blotting, IFA, ELISA, RT-PCT and CLSM were conducted to investigate the effect of uridine on ARDS and insulin resistance, and the results showed that lung histopathological alterations were significantly attenuated by uridine treatment. Further work showed that the levels of proinflammatory cytokines were significantly down-regulated in the lung tissue after treatment with uridine. Additionally, the numbers of total cells and neutrophils in the bronchoalveolar lavage fluid (BALF) were also decreased in the uridine-treated ARDS mice. We further explored the potential mechanism by which uridine could treat ARDS, and the results indicated that NF-κB signaling was down-regulated by uridine treatment. Next, we studied insulin sensitivity in the ARDS mice, and found that insulin signaling was significantly down-regulated, and uridine could enhance insulin sensitivity in the ARDS mice model. Furthermore, we found that the levels of inflammation and oxidative stress were decreased by uridine treatment, which may be the potential mechanism by which uridine could improve insulin sensitivity. Taken together, the current work provides evidence that uridine can serve as a potential drug to treat ARDS and insulin resistance.
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Affiliation(s)
- Lei Zhang
- 1 Department of Critical Care Medicine, The First Hospital of Lanzhou University, The First School of Clinical Medicine of Lanzhou University, Lanzhou City 730000, Gansu, China
| | - Bin Li
- 1 Department of Critical Care Medicine, The First Hospital of Lanzhou University, The First School of Clinical Medicine of Lanzhou University, Lanzhou City 730000, Gansu, China
| | - Degang Zhang
- 2 Department of Respiratory Medicine, Lanzhou University Second Hospital, Lanzhou City 730000, China
| | - Zhuo Wang
- 3 Department of Pathology, Gansu Provincial Hospital, Lanzhou City 730050, Gansu, China
| | - Ye Zhao
- 1 Department of Critical Care Medicine, The First Hospital of Lanzhou University, The First School of Clinical Medicine of Lanzhou University, Lanzhou City 730000, Gansu, China
| | - Qin Yu
- 1 Department of Critical Care Medicine, The First Hospital of Lanzhou University, The First School of Clinical Medicine of Lanzhou University, Lanzhou City 730000, Gansu, China
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Qvit N, Lin AJ, Elezaby A, Ostberg NP, Campos JC, Ferreira JCB, Mochly-Rosen D. A Selective Inhibitor of Cardiac Troponin I Phosphorylation by Delta Protein Kinase C (δPKC) as a Treatment for Ischemia-Reperfusion Injury. Pharmaceuticals (Basel) 2022; 15:271. [PMID: 35337069 PMCID: PMC8950820 DOI: 10.3390/ph15030271] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 01/27/2023] Open
Abstract
Myocardial infarction is the leading cause of cardiovascular mortality, with myocardial injury occurring during ischemia and subsequent reperfusion (IR). We previously showed that the inhibition of protein kinase C delta (δPKC) with a pan-inhibitor (δV1-1) mitigates myocardial injury and improves mitochondrial function in animal models of IR, and in humans with acute myocardial infarction, when treated at the time of opening of the occluded blood vessel, at reperfusion. Cardiac troponin I (cTnI), a key sarcomeric protein in cardiomyocyte contraction, is phosphorylated by δPKC during reperfusion. Here, we describe a rationally-designed, selective, high-affinity, eight amino acid peptide that inhibits cTnI's interaction with, and phosphorylation by, δPKC (ψTnI), and prevents tissue injury in a Langendorff model of myocardial infarction, ex vivo. Unexpectedly, we also found that this treatment attenuates IR-induced mitochondrial dysfunction. These data suggest that δPKC phosphorylation of cTnI is critical in IR injury, and that a cTnI/δPKC interaction inhibitor should be considered as a therapeutic target to reduce cardiac injury after myocardial infarction.
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Affiliation(s)
- Nir Qvit
- Center for Clinical Sciences Research, Department of Chemical & Systems Biology, Stanford University School of Medicine, 269 Campus Dr. Room 3145, Stanford, CA 94305, USA; (N.Q.); (A.J.L.); (A.E.); (N.P.O.); (J.C.B.F.)
- The Azrieli Faculty of Medicine in the Galilee, Bar-Ilan University, Safed 1311502, Israel
| | - Amanda J. Lin
- Center for Clinical Sciences Research, Department of Chemical & Systems Biology, Stanford University School of Medicine, 269 Campus Dr. Room 3145, Stanford, CA 94305, USA; (N.Q.); (A.J.L.); (A.E.); (N.P.O.); (J.C.B.F.)
| | - Aly Elezaby
- Center for Clinical Sciences Research, Department of Chemical & Systems Biology, Stanford University School of Medicine, 269 Campus Dr. Room 3145, Stanford, CA 94305, USA; (N.Q.); (A.J.L.); (A.E.); (N.P.O.); (J.C.B.F.)
| | - Nicolai P. Ostberg
- Center for Clinical Sciences Research, Department of Chemical & Systems Biology, Stanford University School of Medicine, 269 Campus Dr. Room 3145, Stanford, CA 94305, USA; (N.Q.); (A.J.L.); (A.E.); (N.P.O.); (J.C.B.F.)
| | - Juliane C. Campos
- Department of Anatomy, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil;
| | - Julio C. B. Ferreira
- Center for Clinical Sciences Research, Department of Chemical & Systems Biology, Stanford University School of Medicine, 269 Campus Dr. Room 3145, Stanford, CA 94305, USA; (N.Q.); (A.J.L.); (A.E.); (N.P.O.); (J.C.B.F.)
- Department of Anatomy, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo 05508-000, Brazil;
| | - Daria Mochly-Rosen
- Center for Clinical Sciences Research, Department of Chemical & Systems Biology, Stanford University School of Medicine, 269 Campus Dr. Room 3145, Stanford, CA 94305, USA; (N.Q.); (A.J.L.); (A.E.); (N.P.O.); (J.C.B.F.)
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20
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Li D, Long Y, Yu S, Shi A, Wan J, Wen J, Li X, Liu S, Zhang Y, Li N, Zheng C, Yang M, Shen L. Research Advances in Cardio-Cerebrovascular Diseases of Ligusticum chuanxiong Hort. Front Pharmacol 2022; 12:832673. [PMID: 35173614 PMCID: PMC8841966 DOI: 10.3389/fphar.2021.832673] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 12/28/2021] [Indexed: 12/22/2022] Open
Abstract
Cardio-cerebrovascular diseases (CVDs) are a serious threat to human health and account for 31% of global mortality. Ligusticum chuanxiong Hort. (CX) is derived from umbellifer plants. Its rhizome, leaves, and fibrous roots are similar in composition but have different contents. It has been used in Japanese, Korean, and other traditional medicine for over 2000 years. Currently, it is mostly cultivated and has high safety and low side effects. Due to the lack of a systematic summary of the efficacy of CX in the treatment of CVDs, this article describes the material basis, molecular mechanism, and clinical efficacy of CX, as well as its combined application in the treatment of CVDs, and has been summarized from the perspective of safety. In particular, the pharmacological effect of CX in the treatment of CVDs is highlighted from the point of view of its mechanism, and the complex mechanism network has been determined to improve the understanding of CX's multi-link and multi-target therapeutic effects, including anti-inflammatory, antioxidant, and endothelial cells. This article offers a new and modern perspective on the impact of CX on CVDs.
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Affiliation(s)
- Dan Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yu Long
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shuang Yu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ai Shi
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jinyan Wan
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jing Wen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaoqiu Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Songyu Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yulu Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Nan Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chuan Zheng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ming Yang
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, China
| | - Lin Shen
- Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
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21
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Fan D, Liu C, Guo Z, Huang K, Peng M, Li N, Luo H, Wang T, Cen Z, Cai W, Gu L, Chen S, Li Z. Resveratrol Promotes Angiogenesis in a FoxO1-Dependent Manner in Hind Limb Ischemia in Mice. Molecules 2021; 26:molecules26247528. [PMID: 34946610 PMCID: PMC8707225 DOI: 10.3390/molecules26247528] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/29/2021] [Accepted: 12/09/2021] [Indexed: 12/29/2022] Open
Abstract
Critical limb ischemia (CLI) is a severe form of peripheral artery diseases (PAD) and seriously endangers the health of people. Therapeutic angiogenesis represents an important treatment strategy for CLI; various methods have been applied to enhance collateral circulation. However, the current development drug therapy to promote angiogenesis is limited. Resveratrol (RSV), a polyphenol compound extracted from plants, has various properties such as anti-oxidative, anti-inflammatory and anti-cancer effects. Whether RSV exerts protective effects on CLI remains elusive. In the current study, we demonstrated that oral intake of RSV significantly improved hind limb ischemia in mice, and increased the expression of phosphorylated Forkhead box class-O1 (FoxO1). RSV treatment in human umbilical vein endothelial cells (HUVECs) could increase the phosphorylation of FoxO1 and its cytoplasmic re-localization to promote angiogenesis. Then we manipulated FoxO1 in HUVECs to further verify that the effect of RSV on angiogenesis is in a FoxO1-dependent manner. Furthermore, we performed metabolomics to screen the metabolic pathways altered upon RSV intervention. We found that the pathways of pyrimidine metabolism, purine metabolism, as well as alanine, aspartate and glutamate metabolism, were highly correlated with the beneficial effects of RSV on the ischemic muscle. This study provides a novel direction for the medical therapy to CLI.
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Affiliation(s)
- Dongxiao Fan
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Chenshu Liu
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Zeling Guo
- Department of Otolaryngology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Kan Huang
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Meixiu Peng
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Na Li
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
| | - Hengli Luo
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Tengyao Wang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Zhipeng Cen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Weikang Cai
- Department of Biomedical Sciences, New York Institute of Technology, College of Osteopathic Medicine, Old Westbury, NY 11568, USA;
| | - Lei Gu
- Max Planck Institute for Heart and Lung Research and Cardiopulmonary Institute (CPI), 61231 Bad Nauheim, Germany;
| | - Sifan Chen
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Guangdong-Hong Kong Joint Laboratory for RNA Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China; (H.L.); (T.W.); (Z.C.)
- Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
- Correspondence: (S.C.); (Z.L.)
| | - Zilun Li
- Division of Vascular Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China; (D.F.); (C.L.); (K.H.); (N.L.)
- National-Guangdong Joint Engineering Laboratory for Diagnosis and Treatment of Vascular Diseases, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China;
- Correspondence: (S.C.); (Z.L.)
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