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Wang Y, Wen L, Tao Z, Song P, Cui F, Jia Y, Wang Z, Chai G, Hu F. Cooperative effects of three preservatives on physiological quality, endophytic bacterial community and volatile organic compounds of postharvest Codonopsis pilosula var. modesta roots. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:8670-8683. [PMID: 39007367 DOI: 10.1002/jsfa.13694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 06/01/2024] [Accepted: 06/06/2024] [Indexed: 07/16/2024]
Abstract
BACKGROUND Codonopsis pilosula var. modesta (CPVM) is a famous medicinal and edible plant of Campanulaceae. However, fresh CPVM roots (FCPVR) are prone to softening, browning and spoilage after concentrated harvesting in the main production area of Gansu Province, China in autumn, which poses great challenges to their large-scale storage and modern processing. In this study, effects of chitosan (CS), natamycin (NA) and modified atmosphere agent (MA) on the postharvest quality of FCPVR were first investigated. The roots after different treatments were stored at 4 °C and relative humidity of 75 ± 5% for 100 days. Their overall quality changes were evaluated from three perspectives: physiological quality, endophytic bacterial community and volatile organic compounds. RESULTS The clustering heatmap and principal component analysis results indicated that CS (2 g kg-1), NA (0.5 g kg-1) and MA (5 g) had a synergistic effect on physiological quality. The roots in the CS + NA + MA group maintained better physiological state, effective components and antioxidant capacity throughout the storage process. On this basis, compared with room temperature storage, the relative abundance of the main spoilage bacterium Pseudomonas in the CS + NA + MA group roots decreased by 44% on the 100th day of storage. Furthermore, after CS + NA + MA composite treatment, the roots produced richer esters with fruit aroma during low-temperature storage. CONCLUSIONS The CS + NA + MA composite treatment could maintain the physiological quality and flavor of FCPVR, inhibit spoilage by microbial contamination and maintain the optimal quality during low-temperature storage for up to 100 days. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Yanping Wang
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Longxia Wen
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Zexin Tao
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Pingping Song
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Fang Cui
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Yanjun Jia
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Zixia Wang
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Guolin Chai
- Lanzhou Foci Pharmaceutical Co. Ltd, Lanzhou, China
| | - Fangdi Hu
- School of Pharmacy, Lanzhou University, Lanzhou, China
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Mao Q, Liang B, Leng Z, Ma W, Chen Y, Xie Y. Remimazolam ameliorates postoperative cognitive dysfunction after deep hypothermic circulatory arrest through HMGB1-TLR4-NF-κB pathway. Brain Res Bull 2024; 217:111086. [PMID: 39322086 DOI: 10.1016/j.brainresbull.2024.111086] [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: 06/21/2024] [Revised: 09/20/2024] [Accepted: 09/21/2024] [Indexed: 09/27/2024]
Abstract
BACKGROUND Postoperative cognitive dysfunction (POCD) is a complication of deep hypothermic circulatory arrest (DHCA). Various amounts of neurologic dysfunctions have been shown after DHCA, which has often been attributed to systemic inflammatory response syndrome and cerebral ischemia/reperfusion injury. Remimazolam is one of the commonly used anesthetic drugs with protective actions against inflammatory diseases, such as sepsis and cerebral ischemia/reperfusion injury. Here, we determined the protective effect and potential mechanism of action of remimazolam against neuronal damage after DHCA. METHODS A rat model of DHCA was established, and a gradient dosage of remimazolam was administered during cardiopulmonary bypass (CPB). The cognitive function of rats was evaluated by Morris water maze. Hematoxylin and eosin and TUNEL staining were performed to assess hippocampus tissue injury and neuronal apoptosis. Inflammatory cytokines concentration were analyzed by enzyme-linked immunosorbent assay. The protein expression was analyzed using automated electrophoresis western analysis and immunohistochemical analysis. RESULTS The appropriate dosage of remimazolam reduced histologic injury, neuronal apoptosis, microglia activation, and secondary inflammatory cascades, as well as the downregulation of the expression of the HMGB1-TLR4-NF-κB pathway after DHCA, improved the memory and learning abilities in DHCA rats. Further, administration of a TLR4 antagonist TAK-242 had a similar effect to remimazolam, while the TLR4 agonist LPS attenuated the effect of remimazolam. CONCLUSIONS Remimazolam could ameliorate POCD after DHCA through the HMGB1-TLR4-NF-κB signaling pathway.
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Affiliation(s)
- Qi Mao
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Beiwei Liang
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhiwei Leng
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Wenjun Ma
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yanhua Chen
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.
| | - Yubo Xie
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China; Guangxi Key Laboratory of Enhanced Recovery after Surgery for Gastrointestinal Cancer, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.
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Mu H, Jin Q, Tang J, Ye L, Wang B. Pharmacokinetics and related gender difference studies of four active components of Codonopsis Pilosula by LC-MS/MS determination. JOURNAL OF ETHNOPHARMACOLOGY 2024; 337:118899. [PMID: 39368759 DOI: 10.1016/j.jep.2024.118899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2024] [Revised: 09/19/2024] [Accepted: 10/03/2024] [Indexed: 10/07/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Codonopsis pilosula (C. pilosula), commonly known as Dangshen in Chinese, had been used to regulate the immune, digestive, and circulatory systems of human. The reported pharmacokinetic studies on C. pilosula are mainly limited to in vivo profile studies of a single component. It has not been detected simultaneously the in vivo pharmacokinetic profiles of multiple active components as well as related gender difference after oral dosing of the extraction of C. pilosula. AIM OF THE STUDY This study aims to reveal the pharmacokinetic characteristics of the four main active components of C. pilosula after oral dosing of its extraction in rats, and to explain the gender differences in absorption and metabolism. MATERIALS AND METHODS The plasma pharmacokinetic characteristics of four main active components of C. pilosula was explored using the established LC-MS/MS method after oral dosing of the extraction of C. pilosula in male and female rats. In vitro intestinal pouch permeability and liver microsome metabolic stability were also observed to classify the possible mechanism of gender difference existed in the pharmacokinetic profiles of the four active components in rats. RESULTS Four effective components were absorbed quickly in rats after oral administration of alcoholic extract of C. pilosula (1.36 g/mL, equivalent to 2 g/mL as crude drug), and their exposure order was as follows: Atractylenolide III > Lobetyolin > Tangshenoside I > Syringin. The exposure (AUC) and peak concentration (Cmax) of Atractylenolide III in female rats were much higher than those in male rats, indicating a significant gender difference in pharmacokinetics of Atractylenolide III between female and male animals. With the help of the rat model of intestinal sac in vitro, it was found that Lobetyolin was a hypertonic compound, and both Tangshenoside I and Syringin were compounds with medium permeabiltiy. Notably, the Papp of Atractylenolide III was 3.3 × 10-6 cm/s in male rat intestinal sac assay, while that was 10 × 10-6 cm/s in female rat intestinal sac model, showing a significant gender difference in intestinal permeability (P < 0.05). After the addition of NADPH, the four compounds were reduced in a time-dependent manner, suggesting that CYP450s could catalyze their metabolism. After incubation, the remaining content of Atractylenolide III in the liver microsomes of male and female rats was 27% and 57%, respectively, suggesting slower metabolic rate of in female rat liver microsomes. CONCLUSION A simple, efficient and reliable LC-MS/MS method for the simultaneous determination of four active index components of C. pilosula, Lobetyolin, Tangshenoside I, Atractylenolide III and Syringin, in rat plasma was established and verified. This method was successfully applied in the pharmacokinetic study after single oral administration of the alcoholic extract of C. pilosula in rats. Gender difference was observed in the pharmacokinetic profile of Atractylenolide III in rats. Intestinal absorption and liver metabolism might be two key factors that resulted in the gender difference in exposure and pharmacokinetics of Atractylenolide III in rats. This study provides supportive data for clinical rational application of C. pilosula in individualized medication therapy.
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Affiliation(s)
- Hongfei Mu
- Department of Drug Metabolism, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 100050, Beijing, PR China.
| | - Qiong Jin
- People's Hospital of Wu Xing District, Wu Xing Maternity & Child Healthcare Hospital, 1599 Dagang Road, Zhili Town, Wuxing District, 313008, Huzhou, Zhejiang Province, PR China; Department of Drug Metabolism, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 100050, Beijing, PR China.
| | - Jia Tang
- Department of Drug Metabolism, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 100050, Beijing, PR China.
| | - Lisha Ye
- Department of Drug Metabolism, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 100050, Beijing, PR China.
| | - Baolian Wang
- Department of Drug Metabolism, Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, 100050, Beijing, PR China.
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Qian Q, Pan J, Yang J, Wang R, Luo K, Wu Z, Ma S, Wang Y, Li M, Gao Y. Syringin: a naturally occurring compound with medicinal properties. Front Pharmacol 2024; 15:1435524. [PMID: 39104400 PMCID: PMC11298447 DOI: 10.3389/fphar.2024.1435524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 07/02/2024] [Indexed: 08/07/2024] Open
Abstract
Syringin, a phenylpropanoid glycoside, is widely distributed in various plants, such as Acanthopanax senticosus (Rupr. et Maxim.) Harms, Syringa reticulata (BL) Hara var. mandshurica (Maxim.) Hara, and Ilex rotunda Thumb. It serves as the main ingredient in numerous listed medicines, health products, and foods with immunomodulatory, anti-tumor, antihyperglycemic, and antihyperlipidemic effects. This review aims to systematically summarize syringin, including its physicochemical properties, plant sources, extraction and separation methods, total synthesis approaches, pharmacological activities, drug safety profiles, and preparations and applications. It will also cover the pharmacokinetics of syringin, followed by suggestions for future application prospects. The information on syringin was obtained from internationally recognized scientific databases through the Internet (PubMed, CNKI, Google Scholar, Baidu Scholar, Web of Science, Medline Plus, ACS Elsevier, and Flora of China) and libraries. Syringin, extraction and separation, pharmacological activities, preparations and applications, and pharmacokinetics were chosen as the keywords. According to statistics, syringin can be found in 23 families more than 60 genera, and over 100 species of plants. As a key component in many Chinese herbal medicines, syringin holds significant research value due to its unique sinapyl alcohol structure. Its diverse pharmacological effects include immunomodulatory activity, tumor suppression, hypoglycemic action, and hypolipidemic effects. Additionally, it has been shown to provide neuroprotection, liver protection, radiation protection, cardioprotection, and bone protection. Related preparations such as Aidi injection, compound cantharidin capsule, and Tanreqing injection have been widely used in clinical settings. Other studies on syringin such as extraction and isolation, total synthesis, safety profile assessment, and pharmacokinetics have also made progress. It is crucial for medical research to deeply explore its mechanism of action, especially regarding immunity and tumor therapy. Meanwhile, more robust support is needed to improve the utilization of plant resources and to develop extraction means adapted to the needs of industrial biochemistry to further promote economic development while protecting people's health.
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Affiliation(s)
- Qingyuan Qian
- College of Pharmacy, Lanzhou University, Lanzhou, China
- Institute of Radiation Medicine Sciences, Beijing, China
| | - Jinchao Pan
- Institute of Radiation Medicine Sciences, Beijing, China
- Faculty of Environment and Life, Beijing University of Technology, Beijing, China
| | - Jun Yang
- Institute of Radiation Medicine Sciences, Beijing, China
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Renjie Wang
- Institute of Radiation Medicine Sciences, Beijing, China
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Kai Luo
- Institute of Radiation Medicine Sciences, Beijing, China
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Zhenhui Wu
- Institute of Radiation Medicine Sciences, Beijing, China
| | - Shuhe Ma
- Institute of Radiation Medicine Sciences, Beijing, China
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yuguang Wang
- Institute of Radiation Medicine Sciences, Beijing, China
| | - Maoxing Li
- College of Pharmacy, Lanzhou University, Lanzhou, China
- Institute of Radiation Medicine Sciences, Beijing, China
- College of Pharmacy, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yue Gao
- Institute of Radiation Medicine Sciences, Beijing, China
- Faculty of Environment and Life, Beijing University of Technology, Beijing, China
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Ayaz H, Aşır F, Korak T. Skimmianine Showed Neuroprotection against Cerebral Ischemia/Reperfusion Injury. Curr Issues Mol Biol 2024; 46:7373-7385. [PMID: 39057078 PMCID: PMC11276333 DOI: 10.3390/cimb46070437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 07/03/2024] [Accepted: 07/09/2024] [Indexed: 07/28/2024] Open
Abstract
The aim of this study was to investigate the antioxidant and anti-inflammatory effects of skimmianine on cerebral ischemia-reperfusion (IR) injury. Twenty-four female Wistar albino rats were randomly divided into three groups: Sham, Ischemia-Reperfusion (IR), and IR + Skimmianine (40 mg/kg Skimmianine). Cerebral ischemia was induced using a monofilament nylon suture to occlude the middle cerebral artery for 60 min. Following 23 h of reperfusion, the animals were sacrificed 14 days later. The effects of skimmianine on brain tissue post-IR injury were examined through biochemical and immunochemical analyses. In silico analysis using the Enrichr platform explored skimmianine's potential biological processes involving IBA-1, IL-6, and NF-κB proteins. In the IR group, MDA levels increased, while SOD and CAT antioxidant enzyme activities decreased. In the IR + Skimmianine group, skimmianine treatment resulted in decreased MDA levels and increased SOD and CAT activities. Significant increases in IBA-1 expression were observed in the IR group, which skimmianine treatment significantly reduced, modulating microglial activation. High levels of IL-6 expression were noted in pyramidal neurons, vascular structures, and neuroglial cells in the IR group; skimmianine treatment reduced IL-6 expression, demonstrating anti-inflammatory effects. Increased NF-κB expression was observed in neurons and blood vessels in the gray and white matter in the IR group; skimmianine treatment reduced NF-κB expression. Gene Ontology results suggest skimmianine impacts immune and inflammatory responses via IBA-1 and IL-6, with potential effects on estrogen mechanisms mediated by NF-κB. Skimmianine may be a potential therapeutic strategy due to its antioxidant and anti-inflammatory effects on cerebral IR injury.
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Affiliation(s)
- Hayat Ayaz
- Department of Histology and Embryology, Medical Faculty, Dicle University, 21280 Diyarbakır, Turkey
| | - Fırat Aşır
- Department of Histology and Embryology, Medical Faculty, Dicle University, 21280 Diyarbakır, Turkey
| | - Tuğcan Korak
- Department of Medical Biology, Medical Faculty, Kocaeli University, 41001 Kocaeli, Turkey;
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Dong S, Fang S, Li J, Zheng W, Wang Z, Hu J, Zhao X, Liu Z, Feng H, Zhang Y. Comparative metabolic profiling of different pakchoi cultivars reveals nutritional diversity via widely targeted metabolomics. Food Chem X 2024; 22:101379. [PMID: 38645937 PMCID: PMC11031806 DOI: 10.1016/j.fochx.2024.101379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 04/05/2024] [Accepted: 04/09/2024] [Indexed: 04/23/2024] Open
Abstract
Pakchoi (Brassica rapa ssp. chinensis) is cultivated for its high nutritional value; however, the nutritional diversity of different pakchoi cultivars is rarely investigated. Herein, we performed widely targeted metabolic profiling analyses of five popular pakchois. A total of 670 metabolites were detected, which could be divided into 13 categories. The accumulation patterns of main nutritional metabolites among the five pakchois were significantly different and complementary. Moreover, the pakchoi cultivar 'QYC' showed quite different metabolomic profiles compared with other pakchois. The Venn diagram showed that the 75 differential metabolites were shared among the comparison groups ('QYC' vs. 'MET'/ 'NBC'/ 'PPQ'/ 'XQC'), of which 52 metabolites were upregulated in 'QYC'. The phenolic acids had the largest variations between 'QYC' and the other pakchoi cultivars. These findings expand metabolomic information on different pakchoi cultivars and further provide new insights into the selection and breeding of excellent pakchoi cultivars.
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Affiliation(s)
| | | | - Jinyan Li
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
| | - Wenfeng Zheng
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
| | - Zhe Wang
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
| | - Junlong Hu
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
| | - Xiuqi Zhao
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
| | - Zhiyong Liu
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
| | - Hui Feng
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
| | - Yun Zhang
- Department of Horticulture, Shenyang Agricultural University, Shenyang, SY, China
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Singh VK, Thakur DC, Rajak N, Giri R, Garg N. Immunomodulatory potential of bioactive glycoside syringin: a network pharmacology and molecular modeling approach. J Biomol Struct Dyn 2024; 42:3906-3919. [PMID: 37243678 DOI: 10.1080/07391102.2023.2216299] [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: 02/15/2023] [Accepted: 05/15/2023] [Indexed: 05/29/2023]
Abstract
Many diseases, such as rheumatoid arthritis, neurodegenerative disease, lupus, autoimmune disease, and cancer, are described by chronic inflammation following tissue damage. Anti-inflammatory drugs like non-steroidal anti-inflammatory drugs and other steroids cause many side effects and generally need careful consideration and monitoring during usage. In recent years, a significant interest in plant-derived approaches has been warranted. The bioactive glycoside syringin might be one of the effective immunomodulatory agents. However, its immunomodulatory potential needs to be better known. In this study, we evaluated the immunomodulatory potential of syringin using network pharmacology, molecular docking, and molecular dynamics simulation-based approaches. First, we applied the GeneCards and OMIM databases to acquire the immunomodulatory agents. Then, the STRING database was utilized to get the hub genes. Interaction analysis and molecular docking described strong binding of the active site of immunomodulatory proteins with the bioactive syringin. Molecular dynamics simulations (200 ns) showed a very stable interaction of syringin with the immunomodulatory protein. Further, the optimized structure and molecular electrostatic potential of the syringin were calculated by a density-functional theory utilizing basis levels of B3LYP/6-31. Syringin investigated in this study holds the required drug-likeness characteristics and follows Lipinski's rule of five. However, quantum-chemical estimations show the syringin has potent reactivity, demonstrating a lower energy gap. Furthermore, the gap between ELUMO and EHOMO was low, suggesting the excellent affinity of syringin towards the immunomodulatory proteins. The present study shows that syringin might be an effective immunomodulatory agent and can be further explored using different experimental methods.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Vipendra Kumar Singh
- School of Biosciences and Bioengineering, Indian Institute of Technology Mandi, VPO Kamand, HP, India
| | - D C Thakur
- School of Biosciences and Bioengineering, Indian Institute of Technology Mandi, VPO Kamand, HP, India
| | - Naina Rajak
- Faculty of Ayurveda, Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Rajanish Giri
- School of Biosciences and Bioengineering, Indian Institute of Technology Mandi, VPO Kamand, HP, India
| | - Neha Garg
- Faculty of Ayurveda, Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
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Huang Y, Han M, Shi Q, Li X, Mo J, Liu Y, Chu Z, Li W. Li, P HY-021068 alleviates cerebral ischemia-reperfusion injury by inhibiting NLRP1 inflammasome and restoring autophagy function in mice. Exp Neurol 2024; 371:114583. [PMID: 37884189 DOI: 10.1016/j.expneurol.2023.114583] [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: 08/04/2023] [Revised: 10/08/2023] [Accepted: 10/23/2023] [Indexed: 10/28/2023]
Abstract
Cerebral ischemia-reperfusion injury (CIRI) is a severe pathological condition that involves oxidative stress, inflammatory response, and neuronal damage. HY-021068 belongs to a new drug of chemical class 1, which is a potential thromboxane synthase inhibitor. Our preliminary experiment found that HY-021068 has significant anti-neuroinflammatory and neuroprotective effects. However, the protective effect and mechanism of HY-021068 in CIRI remain unclear. To investigate the protective effect and mechanism of HY-021068 in CIRI mice. In mice, CIRI was induced by bilateral common carotid artery occlusion and reperfusion. Mice were treated with HY-021068 or LV-NLRP1-shRNA (lentivirus-mediated shRNA transfection to knock down NLRP1 expression). The locomotor activity, neuronal damage, pathological changes, postsynaptic density protein-95 (PSD-95) expression, NLRP1 inflammasome activation, autophagy markers, and apoptotic proteins were assessed in CIRI mice. In this study, treatment with HY-021065 and LV-NLRP1-shRNA significantly improved motor dysfunction and neuronal damage after CIRI in mice. HY-021065 and NLRP1 knockdown significantly ameliorated the pathological damage and increased PSD-95 expression in the cortex and hippocampus CA1 and CA3 regions. The further studies showed that compared with the CIRI model group, HY-021065 and NLRP1 knockdown treatment inhibited the expressions of NLRP1, ASC, caspase-1, and IL-1β, restored the expressions of p-AMPK/AMPK, Beclin1, LC3II/LC3I, p-mTOR/m-TOR and P62, and regulated the expressions of BCL-2, Caspase3, and BAX in brain tissues of CIRI mice in CIRI mice. These results suggest that HY-021068 exerts a protective role in CIRI mice by inhibiting NLRP1 inflammasome activation and regulating autophagy function and neuronal apoptosis. HY-021068 is expected to become a new therapeutic drug for CIRI.
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Affiliation(s)
- Ye Huang
- Department of Plastic Surgery, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, Anhui, China
| | - Min Han
- Department of Pharmacology, Basic Medicine College; Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education; Anhui Medical University, Hefei 230032, Anhui, China
| | - Qifeng Shi
- Department of Pharmacology, Basic Medicine College; Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education; Anhui Medical University, Hefei 230032, Anhui, China
| | - Xuewang Li
- Department of Pharmacology, Basic Medicine College; Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education; Anhui Medical University, Hefei 230032, Anhui, China
| | - Jiajia Mo
- Hefei Industrial and Pharmaceutical Co., Ltd, Hefei 230200, Anhui, China
| | - Yan Liu
- Department of Pharmacology, Basic Medicine College; Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education; Anhui Medical University, Hefei 230032, Anhui, China
| | - Zhaoxing Chu
- Hefei Industrial and Pharmaceutical Co., Ltd, Hefei 230200, Anhui, China.
| | - Weizu Li
- Department of Pharmacology, Basic Medicine College; Key Laboratory of Anti-inflammatory and Immunopharmacology, Ministry of Education; Anhui Medical University, Hefei 230032, Anhui, China.
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Wen L, Wang Y, Song P, Wang Z, Tang Z, Guo Y, Yu H, Hu F. Exploration of Postharvest Conditions for Codonopsis pilosula Nannf. var. modesta (Nannf.) L. T. Shen Roots Based on Sensory Quality, Active Components, Antioxidant Capacity and Physiological Changes at Different Storage Temperatures. Foods 2023; 12:4418. [PMID: 38137223 PMCID: PMC10742758 DOI: 10.3390/foods12244418] [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: 10/28/2023] [Revised: 12/04/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
The promotion of industrial-mode production of Codonopsis pilosula Nannf. var. modesta (Nannf.) L. T. Shen (C. pilosula) has expanded the demand for the postharvest storage of fresh roots. Further research is needed to establish comprehensive methods to evaluate the impact of storage conditions. This study simulated the storage process of roots at near-freezing temperature [NFT (-1 °C)] and traditional low temperatures (-6 °C, 4 °C and 9 °C) for 40 days. At different storage stages, correlation analysis was conducted using quantitative data on 20 parameters, including sensory quality, active components, antioxidant capacity and physiological changes. Appearance and principal component analysis could distinguish between fresh and stored samples, while NFT samples on the 40th day of storage were similar to fresh ones. Correlation analysis indicated that NFT storage could maintain the sensory quality by increasing the antioxidant enzyme activity and active components, reducing the accumulation of reactive oxygen species and malondialdehyde and reducing the activity of browning-related enzymes and cell-wall-degrading enzymes. These findings highlight the importance of the overall quality evaluation of fresh roots and emphasize the potential to improve fresh root and dried medicinal material quality by regulating storage conditions such as temperature.
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Affiliation(s)
| | | | | | | | | | | | | | - Fangdi Hu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China; (L.W.); (Y.W.); (P.S.); (Z.W.); (Z.T.); (Y.G.); (H.Y.)
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R N, Kh M, Hegde SN, Begum N, Kukkupuni SK, Gowda M, Narendran P. De novo genome assembly and annotation of the medicinal plant Tinospora cordifolia (Willd.) Miers ex Hook. f. & Thom's. Funct Integr Genomics 2023; 23:330. [PMID: 37935874 DOI: 10.1007/s10142-023-01262-2] [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: 07/04/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/09/2023]
Abstract
Indian natural climbing shrub Tinospora cordifolia, often known as "Guduchi" and "Amrita," is a highly esteemed medicinal plant in the Indian system of medicine (ISM). It is a member of the Menispermaceae family which consists of a rich source of protein, micronutrients, and rich source of bioactive components which are used in treating various systemic diseases. The current study was designed to know the biological characterization of the plant genome and biosynthesis of plant metabolites essential for its medicinal applications. Tinospora cordifolia's complete genome was sequenced using Illumina HiSeq2500 sequencing technology. The draft genome was assembled through a de novo method. An integrative genome annotation approach was used to perform functional gene prediction. The pathway analysis was carried out using the KEGG database. The total genome size obtained after genome assembly was 894 Mb with an N50 of 9148 bp. The integrative annotation approach resulted in 35,111 protein-coding genes. In addition, genes responsible for the synthesis of syringin, a secondary metabolite found in plants, were identified. In comparison to the standard drug (dopamine, rasagiline, and selegiline), syringin's molecular docking exhibited a greater binding affinity from the range of - 4.3 to - 6.6 kcal/mol for all the targets of Parkinson's disease and for Alzheimer's targets; it has shown the maximum potency from the range of - 6.5 to - 7.4 kcal/mol with respect to the standard drug (donepezil, galantamine, and rivastigmine). This study provides the genomic information of Tinospora cordifolia which is helpful in understanding genomic insights and metabolic pathways connected to the corresponding plant genome and predicts the possible useful effect for the molecular characterization of therapeutic drugs.
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Affiliation(s)
- Namitha R
- The University of Trans-Disciplinary Health Sciences and Technology (TDU), 74/2, Post Attur via Yelahanka, Jarakabande Kaval, Bengaluru, 560 064, India
| | - Manasa Kh
- The University of Trans-Disciplinary Health Sciences and Technology (TDU), 74/2, Post Attur via Yelahanka, Jarakabande Kaval, Bengaluru, 560 064, India
| | - Santhosh N Hegde
- The University of Trans-Disciplinary Health Sciences and Technology (TDU), 74/2, Post Attur via Yelahanka, Jarakabande Kaval, Bengaluru, 560 064, India
| | - Noorunnisa Begum
- The University of Trans-Disciplinary Health Sciences and Technology (TDU), 74/2, Post Attur via Yelahanka, Jarakabande Kaval, Bengaluru, 560 064, India
| | - Subrahmanya Kumar Kukkupuni
- The University of Trans-Disciplinary Health Sciences and Technology (TDU), 74/2, Post Attur via Yelahanka, Jarakabande Kaval, Bengaluru, 560 064, India
| | - Malali Gowda
- The University of Trans-Disciplinary Health Sciences and Technology (TDU), 74/2, Post Attur via Yelahanka, Jarakabande Kaval, Bengaluru, 560 064, India.
| | - Pavithra Narendran
- The University of Trans-Disciplinary Health Sciences and Technology (TDU), 74/2, Post Attur via Yelahanka, Jarakabande Kaval, Bengaluru, 560 064, India.
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11
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Zheng T, Jiang T, Huang Z, Ma H, Wang M. Role of traditional Chinese medicine monomers in cerebral ischemia/reperfusion injury:a review of the mechanism. Front Pharmacol 2023; 14:1220862. [PMID: 37654609 PMCID: PMC10467294 DOI: 10.3389/fphar.2023.1220862] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 08/04/2023] [Indexed: 09/02/2023] Open
Abstract
Ischemia/reperfusion (I/R) injury is a pathological process wherein reperfusion of an ischemic organ or tissue exacerbates the injury, posing a significant health threat and economic burden to patients and their families. I/R triggers a multitude of physiological and pathological events, such as inflammatory responses, oxidative stress, neuronal cell death, and disruption of the blood-brain barrier (BBB). Hence, the development of effective therapeutic strategies targeting the pathological processes resulting from I/R is crucial for the rehabilitation and long-term enhancement of the quality of life in patients with cerebral ischemia/reperfusion injury (CIRI). Traditional Chinese medicine (TCM) monomers refer to bioactive compounds extracted from Chinese herbal medicine, possessing anti-inflammatory and antioxidative effects, and the ability to modulate programmed cell death (PCD). TCM monomers have emerged as promising candidates for the treatment of CIRI and its subsequent complications. Preclinical studies have demonstrated that TCM monomers can enhance the recovery of neurological function following CIRI by mitigating oxidative stress, suppressing inflammatory responses, reducing neuronal cell death and functional impairment, as well as minimizing cerebral infarction volume. The neuroprotective effects of TCM monomers on CIRI have been extensively investigated, and a comprehensive understanding of their mechanisms can pave the way for novel approaches to I/R treatment. This review aims to update and summarize evidence of the protective effects of TCMs in CIRI, with a focus on their role in modulating oxidative stress, inflammation, PCD, glutamate excitotoxicity, Ca2+ overload, as well as promoting blood-brain barrier repairment and angiogenesis. The main objective is to underscore the significant contribution of TCM monomers in alleviating CIRI.
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Affiliation(s)
| | | | | | | | - Manxia Wang
- Department of Neurology, Lanzhou University Second Hospital, Lanzhou, China
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12
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ERGON EY, ÇELİK A, DİNİZ G, ÇOLAK R, ÖZDEMİR SA, ÇALKAVUR Ş, YILMAZ O. Evaluation of syringin's neuroprotective effect in a model of neonatal hypoxic-ischemic brain injury. Turk J Med Sci 2023; 53:1312-1320. [PMID: 38813032 PMCID: PMC10763795 DOI: 10.55730/1300-0144.5697] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 10/26/2023] [Accepted: 06/21/2023] [Indexed: 05/31/2024] Open
Abstract
Background/aim A significant cause of mortality and morbidity in the neonatal era is hypoxic-ischemic encephalopathy (HIE). This study examined the histopathological analysis and neuroprotective impact of syringin (SYR) in an experimental HIE rat model. Material and methods On the 7th postnatal day, 24 Wistar albino rats were evaluated in 3 groups using the HIE model under gas anesthesia. In the experiment, Group A received 10 mg/kg SYR plus dimethyl sulfoxide (DMSO), Group B received DMSO only, and Group C served as a sham group. Immunohistochemical techniques were used to assess apoptotic cell measurement and proinflammatory cytokines (TNF-α and IL-1β primary antibodies). Results Rats suffering from hypoxic-ischemic brain damage had their apoptosis assessed. The SYR and sham groups had statistically fewer cells undergoing apoptosis (p < 0.001). There was no difference between the groups in terms of IL-1β and TNF-α during immunohistochemical staining. Neuronal degeneration was significantly lower in the histological evaluation of the hippocampus in the SYR group (p = 0.01). A statistically significant difference (p = 0.01) was observed between the SYR and the control groups regarding pericellular and perivascular edema. Conclusion SYR reduced apoptosis, perivascular and pericellular edema, and neuronal degeneration in rat cerebral tissue. These results raise the possibility that SYR may have a neuroprotective effect on the harm brought on by HIE. This is the first investigation of SYR's function within the HIE paradigm.
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Affiliation(s)
- Ezgi Yangın ERGON
- Neonatal Intensive Care Unit, Pediatric Division, Dr Behçet Uz Children’s Education and Research Hospital, İzmir,
Turkiye
| | - Aslı ÇELİK
- Department of Laboratory Animal Science, Faculty of Health Sciences, Dokuz Eylül University, İzmir,
Turkiye
| | - Gülden DİNİZ
- Department of Pathology, Medical Faculty, İzmir Democracy University, İzmir,
Turkiye
| | - Rüya ÇOLAK
- Neonatal Intensive Care Unit, Pediatric Division, Medikal Park Florya Hospital, Aydın University Medical Faculty, İstanbul,
Turkiye
| | - Senem Alkan ÖZDEMİR
- Neonatal Intensive Care Unit, Pediatric Division, Dr Behçet Uz Children’s Education and Research Hospital, İzmir,
Turkiye
| | - Şebnem ÇALKAVUR
- Neonatal Intensive Care Unit, Pediatric Division, Dr Behçet Uz Children’s Education and Research Hospital, İzmir,
Turkiye
| | - Osman YILMAZ
- Department of Laboratory Animal Science, Faculty of Health Sciences, Dokuz Eylül University, İzmir,
Turkiye
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13
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Jin L, Jin W, Zeng Q, Yu L, Yang J, Wan H, He Y. Optimization of green extraction process with natural deep eutectic solvent and comparative in vivo pharmacokinetics of bioactive compounds from Astragalus-Safflower pair. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 114:154814. [PMID: 37062134 DOI: 10.1016/j.phymed.2023.154814] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/25/2023] [Accepted: 04/09/2023] [Indexed: 06/19/2023]
Abstract
INTRODUCTION Natural deep eutectic solvents (NaDESs) are promising not only in componential extraction, but also in drug delivery system due to their green and safe features. In this work, NaDESs were applied to extract bioactive components from Astragalus-Safflower pair, a classic traditional Chinese medicine combination. Furthermore, ready-to-use crude extracts were administrated to SD rats. METHODS Total 9 NaDESs composed of food grade ingredients were screened for the extraction of representative 9 components (hydroxysafflor yellow A, anhydrosafflor yellow B, eleutheroside B, calycosin-7-O-glucoside, kaempferol-3-O-rutinoside, ononin, calycosin, astraganoside, and carthamin) from Astragalus-Safflower pair. Afterwards, genetic artificial neural network (GNN) was adopted for optimizing the ultrasound-assisted extraction process. After SD rats were orally administrated with the ready-to-use crude extracts extracted under the optimized conditions, the in vivo pharmacokinetic characteristics of 5 components were evaluated comprehensively from weight, gender, solvent and modeling surgery, under a well-established UPLC-MS/MS method. RESULTS Betaine-Lactic acid (Bet-Lac) was eventually determined as the optimal extraction solvent for subsequent experiments. The optimal ultrasound assisted extraction process was as follows: 90 min of extraction time, 65 °C of temperature, 80% of Bet-Lac content and 50 mg/ml of solid-liquid ratio. Bet-Lac enhanced to varying degrees the bioavailability of analytes in normal and cerebral ischemia/reperfusion injured (CI/RI) rats in contrast with corresponding rats administrated with water extract groups (p < 0.05). Besides, the bioavailability of active components in CI/RI rat plasma was significantly lower than that in normal rats (p < 0.05), indicating pathological damage of CI/R had a significant impact on pharmacokinetic profile of compounds in rats. However, gender and body weight had no significant effects on the pharmacokinetic profile of bioactive components. CONCLUSIONS NaDESs exhibited higher extraction efficiency than conventional solvents. And GNN is reliable to optimize the ultrasound assisted extraction process. This study supported the potential of non-toxic NaDESs as solvents for extraction process and drug delivery systems at the same time.
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Affiliation(s)
- Lei Jin
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P R China.
| | - Weifeng Jin
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P R China
| | - Qiang Zeng
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P R China
| | - Li Yu
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P R China
| | - Jiehong Yang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P R China
| | - Haitong Wan
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P R China..
| | - Yu He
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P R China.
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14
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Zhao D, Liu K, Wang J, Shao H. Syringin exerts anti-inflammatory and antioxidant effects by regulating SIRT1 signaling in rat and cell models of acute myocardial infarction. Immun Inflamm Dis 2023; 11:e775. [PMID: 36840496 PMCID: PMC9950876 DOI: 10.1002/iid3.775] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/29/2022] [Accepted: 01/13/2023] [Indexed: 02/26/2023] Open
Abstract
INTRODUCTION This study aimed to investigate the role of syringin in improving heart function during myocardial ischemia/reperfusion (I/R) and to determine whether the sirtuin 1/peroxisome proliferator-activated receptor gamma coactivator 1 alpha (SIRT1/PGC-1α) pathway contributes to this cardioprotective effect in vivo and in vitro. METHODS H9c2 cells were incubated with H2 O2 for 12 h. The effect of syringin was assessed by measuring cell viability; the apoptotic rate; Keap1/NRF2/HO-1 activation; and the levels of proinflammatory cytokines, oxidative products, and antioxidative enzymes. In addition, SIRT1 was silenced via short hairpin RNA (shRNA)-SIRT1 transfection to evaluate its involvement in syringin-mediated protection. Syringin rescued cells from H2 O2 -induced reductions in viability, antioxidative enzyme levels, and NRF2/HO-1 activation; likewise, syringin inhibited apoptosis, inflammation, and oxidative stress. We also created a rat model of I/R by ligating the left anterior descending coronary artery for 30 min, followed by reperfusion for 12 min. Syringin was then intraperitoneally injected, and the effect on infarct size and cardiac function was examined after 7 days. NRF2/HO-1 activity and the levels of myocardial proinflammatory cytokines, oxidative products, and antioxidative enzymes were measured. RESULTS In comparison to the untreated I/R group, the syringin treatment group exhibited improved cardiac function and reduced cardiac lesion and infarct size. Syringin administration also markedly reduced the levels of proinflammatory cytokines and reactive oxygen species and promoted antioxidative enzyme expression and NRF2/HO-1 pathway activation. CONCLUSIONS Syringin may serve a protective role in animal and cell models of I/R by improving cardiac function, inhibiting the inflammatory response, and activating the antioxidative response.
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Affiliation(s)
- Di Zhao
- Department of Cardiology IThe Third Affiliated Hospital of Qiqihar Medical UniversityQiqiharHeilongjiangChina
| | - Ketong Liu
- Department of CardiologyThe Fifth Affiliated Hospital (Zhuhai) of Zunyi Medical UniversityZhuhaiGuangdongChina
| | - Jian Wang
- Department of Cardiology IThe Third Affiliated Hospital of Qiqihar Medical UniversityQiqiharHeilongjiangChina
| | - Haifeng Shao
- Department of Cardiology IThe Third Affiliated Hospital of Qiqihar Medical UniversityQiqiharHeilongjiangChina
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15
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Yang X, Xu J, Lan S, Tong Z, Chen K, Liu Z, Xu S. Exosomal miR-133a-3p Derived from BMSCs Alleviates Cerebral Ischemia-Reperfusion Injury via Targeting DAPK2. Int J Nanomedicine 2023; 18:65-78. [PMID: 36636640 PMCID: PMC9830074 DOI: 10.2147/ijn.s385395] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 12/03/2022] [Indexed: 01/05/2023] Open
Abstract
Background Cerebral ischemia-reperfusion (CI/R) injury is a subtype of complication after treatment of ischemic stroke. It has been reported that exosomes derived from BMSCs could play an important role in CI/R injury. However, whether BMSCs-derived exosomes could regulate CI/R injury via carrying miRNAs remains to be further explored. Methods RNA sequencing was performed to identify the differentially expressed miRNAs. To mimic CI/R in vitro, SH-SY5Y cells were exposed to oxygen glucose deprivation/reoxygenation (OGD/R). The viability of SH-SY5Y cells was tested by CCK8 assay, and TUNEL staining was performed to detect the cell apoptosis. Results MiR-133a-3p was identified to be reduced in exosomes derived from the plasma of patients with IS. Upregulation of miR-133a-3p significantly reversed OGD/R-induced SH-SY5Y cell growth inhibition. Consistently, BMSCs-derived exosomal miR-133a-3p could restore OGD/R-decreased SH-SY5Y cell proliferation via inhibiting apoptosis. Meanwhile, DAPK2 was a direct target of miR-133a-3p. In addition, OGD/R notably upregulated the level of DAPK2 and weakened the expressions of p-Akt and p-mTOR in SH-SY5Y cells, whereas exosomal miR-133a-3p derived from BMSCs notably reversed these phenomena. Exosomal miR-133a-3p derived from BMSCs could reverse OGD/R-induced cell apoptosis via inhibiting autophagy. Furthermore, exosomal miR-133a-3p derived from BMSCs markedly alleviated the symptom of CI/R injury in vivo. Conclusion Exosomal miR-133a-3p derived from BMSCs alleviates CI/R injury via targeting DAPK2/Akt signaling. Thus, our study might shed new light on discovering new strategies against CI/R injury.
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Affiliation(s)
- Xuanyong Yang
- Department of Neurosurgery, The First Affiliated Hospital, Nanchang University, Nanchang, People’s Republic of China
| | - Jiang Xu
- Department of Neurosurgery, The First Affiliated Hospital, Nanchang University, Nanchang, People’s Republic of China
| | - Shihai Lan
- Department of Neurosurgery, The First Affiliated Hospital, Nanchang University, Nanchang, People’s Republic of China
| | - Zhigao Tong
- Department of Neurosurgery, The First Affiliated Hospital, Nanchang University, Nanchang, People’s Republic of China
| | - Kang Chen
- Department of Neurosurgery, The First Affiliated Hospital, Nanchang University, Nanchang, People’s Republic of China
| | - Zhizheng Liu
- Department of Neurosurgery, The First Affiliated Hospital, Nanchang University, Nanchang, People’s Republic of China
| | - Shan Xu
- Department of Pathology, The First Affiliated Hospital of Nanchang University, Nanchang, People’s Republic of China,Correspondence: Shan Xu, Department of Pathology, The First Affiliated Hospital of Nanchang University, No. 17 Yong Wai Street, Nanchang, Jiangxi, 330006, People’s Republic of China, Email
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