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He M, Ren Z, Goraya MU, Lin Y, Ye J, Li R, Dai J. Anti-influenza drug screening and inhibition of apigetrin on influenza A virus replication via TLR4 and autophagy pathways. Int Immunopharmacol 2023; 124:110943. [PMID: 37804654 DOI: 10.1016/j.intimp.2023.110943] [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: 06/21/2023] [Revised: 08/29/2023] [Accepted: 09/12/2023] [Indexed: 10/09/2023]
Abstract
Activation of Toll-like receptor (TLR) 4 plays important roles in the influenzaA virus (IAV) infection. To explore TLR4 inhibitors, 161 traditional Chinese medicines (TCMs) were screened. Further, we screened out Ixeris sonchifolia Hance, and its active compound, Apigetrin (apigenin-7-O-glucoside). Antiviral activity of Apigetrin was determined by plaque assay. We also further investigated the influence of Apigetrin on immune signaling pathways including TLRs, MAPK, NF-κB and autophagy pathways. The in-vitro results showed that the extract and its several ingredients could significantly inhibit IAV replication. Apigetrin significantly improved IAV-induced oxidative stress, inhibited the IAV-induced cytokine storm by suppressing the excessive activation of TLR3/4/7, JNK/p38 MAPK and NF-κB. Apigetrin decreased autophagosome accumulation and promoted degradation of IAV protein. Interestingly, Apigetrin antiviral activity was reversed by using H2O2 and the agonists of TLR4, JNK/p38, NF-κB and autophagy. Most important, the in-vitro effective concentration is higher than the reported plasma concentration. The in-vivo test showed that Apigetrin significantly increased the average survival time, reduced the lung edema and IAV replication. In conclusion, we have found that Ixeris sonchifolia Hance and its several ingredients can inhibit IAV infection, and the mechanisms of action of Apigetrin against IAV is by regulating TLR4 and autophagy signaling pathways.
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Affiliation(s)
- Miao He
- Department of Microbiology and Immunology, Shantou University Medical College, Shantou 515041, China; College of Pharmacy, Dali University, Dali 671000, Yunnan, China; School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhihui Ren
- Department of Microbiology and Immunology, Shantou University Medical College, Shantou 515041, China; Department of Anesthesiology, The Second Xiangya Hospital,Central South University. Changsha 410011, Hunan Province, China
| | - Mohsan Ullah Goraya
- Department of Microbiology and Immunology, Shantou University Medical College, Shantou 515041, China; Institute of Microbiology, University of Agriculture Faisalabad, 38040, Pakistan
| | - Yinhong Lin
- Department of Microbiology and Immunology, Shantou University Medical College, Shantou 515041, China
| | - Jinghan Ye
- Department of Microbiology and Immunology, Shantou University Medical College, Shantou 515041, China
| | - Rui Li
- Department of Microbiology and Immunology, Shantou University Medical College, Shantou 515041, China
| | - Jianping Dai
- Department of Microbiology and Immunology, Shantou University Medical College, Shantou 515041, China.
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Wang N, Guo W, Liu T, Chen X, Lin M. Toll-like receptors (TLR2 and TLR4) antagonist mitigates the onset of cerebral small vessel disease through PI3K/Akt/GSK3β pathway in stroke-prone renovascular hypertensive rats. Biotechnol Genet Eng Rev 2023:1-21. [PMID: 36877597 DOI: 10.1080/02648725.2023.2184961] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 02/18/2023] [Indexed: 03/07/2023]
Abstract
To examine the effect and mechanism of Toll-Like Receptors (TLR2, TLR4) antagonist in CSVD. The rat model of stroke-induced renovascular hypertension (RHRSP) was constructed. TLR2 and TLR4 antagonist was administrated by Intracranial injection. Morris water maze was used to observe the behavioral changes of rat models. HE staining, TUNEL staining and Evens Blue staining were performed to evaluate the permeability of the blood-brain barrier (BBB) and examine the CSVD occurrence and neuronal apoptosis. The inflammation and oxidative stress factors were detected by ELISA. Hypoxia-glucose-deficiency (OGD) ischemia model was constructed in cultured neurons. Western blot and ELISA were used to examine the related protein expression in TLR2/TLR4 signaling pathway and PI3K/Akt/GSK3β signaling pathway. The RHRSP rat model was successfully constructed, and the blood well and BBB permeability were altered. The RHRSP rats showed cogitative impairment and excessive immune response. After TLR2/TLR4 antagonist administration, the behavior of model rats were improved, cerebral white matter injury was reduced, and the expression of several key inflammatory factors including TLR4, TLR2, Myd88 and NF-kB were decreased, as well as the ICAM-1, VCAM-1, inflammation and oxidative stress factors. In vitro experiments showed that TLR4 and TLR2 antagonist increased the cell viability, inhibited the apoptosis, and decreased p-Akt and p-GSK3β expression. Moreover, the PI3K inhibitors resulted in decreased anti-apoptotic and anti-inflammatory effects of TLR4 and TLR2 antagonist. These results suggested that TLR4 and TLR2 antagonist achieved protective effect on the RHRSP through the PI3K/Akt/GSK3β pathway.
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Affiliation(s)
- Nan Wang
- Department of Neurology inspection, the people's Hospital of Liaoning Province, Liaoning, P.R, China
| | - Wanshu Guo
- Department of Neurology inspection, the people's Hospital of Liaoning Province, Liaoning, P.R, China
| | - Tongtong Liu
- Department of Neurology inspection, the people's Hospital of Liaoning Province, Liaoning, P.R, China
| | - Xiaohong Chen
- Department of Neurology inspection, the Jinqiu Hospital of Liaoning Province, Liaoning, P.R, China
| | - Muhui Lin
- Department of Neurology inspection, the people's Hospital of Liaoning Province, Liaoning, P.R, China
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Hao DL, Li JM, Xie R, Huo HR, Xiong XJ, Sui F, Wang PQ. The role of traditional herbal medicine for ischemic stroke: from bench to clinic-A critical review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 109:154609. [PMID: 36610141 DOI: 10.1016/j.phymed.2022.154609] [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: 05/11/2022] [Revised: 09/29/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Ischemic stroke (IS) is a leading cause of death and severe long-term disability worldwide. Over the past few decades, considerable progress has been made in anti-ischemic therapies. However, IS remains a tremendous challenge, with favourable clinical outcomes being generally difficult to achieve from candidate drugs in preclinical phase testing. Traditional herbal medicine (THM) has been used to treat stroke for over 2,000 years in China. In modern times, THM as an alternative and complementary therapy have been prescribed in other Asian countries and have gained increasing attention for their therapeutic effects. These millennia of clinical experience allow THM to be a promising avenue for improving clinical efficacy and accelerating drug discovery. PURPOSE To summarise the clinical evidence and potential mechanisms of THMs in IS. METHODS A comprehensive literature search was conducted in seven electronic databases, including PubMed, EMBASE, the Cochrane Central Register of Controlled Trials, the Chinese National Knowledge Infrastructure, the VIP Information Database, the Chinese Biomedical Literature Database, and the Wanfang Database, from inception to 17 June 2022 to examine the efficacy and safety of THM for IS, and to investigate experimental studies regarding potential mechanisms. RESULTS THM is widely prescribed for IS alone or as adjuvant therapy. In clinical trials, THM is generally administered within 72 h of stroke onset and are continuously prescribed for over 3 months. Compared with Western medicine (WM), THM combined with routine WM can significantly improve neurological function defect scores, promote clinical total effective rate, and accelerate the recovery time of stroke with fewer adverse effects (AEs). These effects can be attributed to multiple mechanisms, mainly anti-inflammation, antioxidative stress, anti-apoptosis, brain blood barrier (BBB) modulation, inhibition of platelet activation and thrombus formation, and promotion of neurogenesis and angiogenesis. CONCLUSIONS THM may be a promising candidate for IS management to guide clinical applications and as a reference for drug development.
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Affiliation(s)
- Dan-Li Hao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Jia-Meng Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Ran Xie
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Hai-Ru Huo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Xing-Jiang Xiong
- Guang'anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China.
| | - Feng Sui
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Peng-Qian Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
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Morsy MA, Ibrahim YF, Abdel Hafez SMN, Zenhom NM, Nair AB, Venugopala KN, Shinu P, Abdel-Gaber SA. Paeonol Attenuates Hepatic Ischemia/Reperfusion Injury by Modulating the Nrf2/HO-1 and TLR4/MYD88/NF-κB Signaling Pathways. Antioxidants (Basel) 2022; 11:antiox11091687. [PMID: 36139761 PMCID: PMC9495847 DOI: 10.3390/antiox11091687] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/16/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
Hepatic ischemia/reperfusion (HIR) is the most common type of liver injury following several clinical situations. Modulating oxidative stress and inflammation by Nrf2/HO-1 and TLR4/MYD88/NF-κB pathways, respectively, is involved in alleviating HIR injury. Paeonol is a natural phenolic compound that demonstrates significant antioxidant and anti-inflammatory effects. The present study explored the possible protective effect of paeonol against HIR injury and investigated its possible molecular mechanisms in rats. Rats were randomly divided into four groups: sham-operated control, paeonol-treated sham-operated control, HIR untreated, and HIR paeonol-treated groups. The results confirmed that hepatic injury was significantly aggravated biochemically by elevated serum levels of alanine transaminase and aspartate transaminase, as well as by histopathological alterations, while paeonol reduced the increase in transaminases and alleviated pathological changes induced by HIR. Additionally, paeonol inhibited the HIR-induced oxidative stress in hepatic tissues by decreasing the upraised levels of malondialdehyde and nitric oxide and enhancing the suppressed levels of reduced glutathione and superoxide dismutase activity. Furthermore, paeonol activated the protective antioxidative Nrf2/HO-1 pathway. The protective effect of paeonol was associated with inhibiting the expression of the inflammatory key mediators TLR4, MYD88, NF-κB, and TNF-α. Finally, paeonol inhibited the increased mRNA levels of the pro-apoptotic marker Bax and enhanced the reduced mRNA levels of the anti-apoptotic marker Bcl-2. Taken together, our results proved for the first time that paeonol could protect against HIR injury by inhibiting oxidative stress, inflammation, and apoptosis.
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Affiliation(s)
- Mohamed A. Morsy
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Al Bilad Bank Scholarly Chair for Food Security in Saudi Arabia, the Deanship of Scientific Research, the Vice Presidency for Graduate Studies and Scientific Research, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
- Correspondence: ; Tel.: +966-5496-72245
| | - Yasmine F. Ibrahim
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | | | - Nagwa M. Zenhom
- Department of Biochemistry, Faculty of Medicine, Al-Baha University, Albaha 65525, Saudi Arabia
- Department of Biochemistry, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
| | - Anroop B. Nair
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Katharigatta N. Venugopala
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Pottathil Shinu
- Department of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Seham A. Abdel-Gaber
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia 61511, Egypt
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Park JM, Zhang BZ, Kim JM. Effect of Fermentation Duration on the Quality Changes of Godulbaegi Kimchi. Foods 2022; 11:foods11071020. [PMID: 35407107 PMCID: PMC8997386 DOI: 10.3390/foods11071020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/18/2022] [Accepted: 03/28/2022] [Indexed: 12/02/2022] Open
Abstract
Fermentative and antioxidative characteristics of Godulbaegi kimchi (LGK), a traditional, fermented Korean food, were conducted. For the study, LGK kimchi was made of Godulbaegi kimchi with pepper powder, salted shrimp, refined salt, green onions, and so on, and fermented at 5C for 6 months. The pH was decreased, and total acidity was increased during fermentation. Furthermore, lactic acid bacteria and yeast were increased, while the total viable count was decreased. The LGK showed the highest DPPH-scavenging activity, phenol content, and nitrite-scavenging activity with methanol extract among methanol, ethanol, and water. In addition, we screened strains among LGK kimchi with high antimicrobial activity and isolated them. We tested antimicrobial activity for 20 lactic acid bacteria, and we separated and identified nine strains of lactic acid bacteria with high antimicrobial activity. Given these results, LGK is expected to be an effective food in considerable antioxidative activity with an antimicrobial effect. These results are expected to serve as basic data for the study of Godulbaegi kimchi.
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WANG FD, LI J, ZHAI X, CHEN R, WANG F. Methane-rich saline restores brain SOD activity and alleviates cognitive impairment in rats with traumatic brain injury. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.54921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
| | - Jie LI
- Xi'an Jiaotong University, China
| | - Xu ZHAI
- Xi'an Jiaotong University, China
| | - Rui CHEN
- Xi'an Jiaotong University, China
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The Influence of Mitochondrial-DNA-Driven Inflammation Pathways on Macrophage Polarization: A New Perspective for Targeted Immunometabolic Therapy in Cerebral Ischemia-Reperfusion Injury. Int J Mol Sci 2021; 23:ijms23010135. [PMID: 35008558 PMCID: PMC8745401 DOI: 10.3390/ijms23010135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/14/2021] [Accepted: 12/19/2021] [Indexed: 12/18/2022] Open
Abstract
Cerebral ischemia-reperfusion injury is related to inflammation driven by free mitochondrial DNA. At the same time, the pro-inflammatory activation of macrophages, that is, polarization in the M1 direction, aggravates the cycle of inflammatory damage. They promote each other and eventually transform macrophages/microglia into neurotoxic macrophages by improving macrophage glycolysis, transforming arginine metabolism, and controlling fatty acid synthesis. Therefore, we propose targeting the mtDNA-driven inflammatory response while controlling the metabolic state of macrophages in brain tissue to reduce the possibility of cerebral ischemia-reperfusion injury.
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Hao J, Li Y, Jia Y, Wang Z, Rong R, Bao J, Zhao M, Fu Z, Ge G. Comparative Analysis of Major Flavonoids among Parts of Lactuca indica during Different Growth Periods. Molecules 2021; 26:7445. [PMID: 34946527 PMCID: PMC8705863 DOI: 10.3390/molecules26247445] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 11/21/2022] Open
Abstract
L. indica L. cv. Mengzao, a medicinal plant of the Ixeris genus, is rich in flavonoids. In order to thoroughly analyze the the distribution and dynamic change of major flavonoids in its various parts from different growth periods, the flavonoids extracted from L. indica L. cv. Mengzao were identified and quantitatively analyzed by ultra-high-performance liquid chromatography mass spectrometer (LC-MS/MS). Results indicated that 15 flavonoids were identified from L. indica L. cv. Mengzao, and rutin, luteolin, luteolin-7-O-glucoside, kaempferol, quercetin, and apigenin are the major flavonoids in L. indica L. cv. Mengzao. In general, the total flavonoids' content in different parts of L. indica L. cv. Mengzao followed the order flowers > leaves > stems > roots. Flowers and leaves are the main harvesting parts of L. indica L. cv. Mengzao, and the flowering period is the most suitable harvesting period. This study provides valuable information for the development and utilization of L. indica L. cv. Mengzao and determined the best part to harvest and the optimal time for harvesting.
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Affiliation(s)
- Junfeng Hao
- College of Grassland Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
| | - Yuyu Li
- College of Grassland Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
| | - Yushan Jia
- College of Grassland Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
| | - Zhijun Wang
- College of Grassland Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
| | - Rong Rong
- Hinggan League Forestry and Grassland Workstation, Ulanhot 137499, China
| | - Jian Bao
- Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
| | - Muqier Zhao
- Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
| | - Zhihui Fu
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
| | - Gentu Ge
- College of Grassland Resources and Environment, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Forage Cultivation, Processing and High Efficient Utilization of Ministry of Agriculture and Rural Affairs, Inner Mongolia Agricultural University, Hohhot 010019, China
- Key Laboratory of Grassland Resources, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010019, China
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Lu P, Zhang Y, Niu H, Wang Y. Upregulated Long Non-coding RNA ALMS1-IT1 Promotes Neuroinflammation by Activating NF-κB Signaling in Ischemic Cerebral Injury. Curr Pharm Des 2021; 27:4270-4277. [PMID: 34455967 DOI: 10.2174/1381612827666210827104316] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 06/03/2021] [Indexed: 01/26/2023]
Abstract
BACKGROUND ALMS1-IT1, a recently identified lncRNA, has been proven to play a crucial role in regulating tumor progression and predicting the survival time of tumor patients. Data analysis from the Human Body Map (HBM) revealed that ALMS1-IT1 is expressed mainly in brain tissues. METHODS In this study, the role of ALMS1-IT in regulating neuro-inflammation and functional recovery was investigated after ischemic cerebral damage. To this end, the rat model of transient middle cerebral artery occlusion (tMCAO) was constructed, the cell model of oxygen-glucose deprivation (OGD) was established using BV2 microglial cells, and the aberrant expression of ALMS1-IT1 was assessed in brain tissues. After ALMS1- IT1 knockdown through intrathecal injection of Lv-shALMS1-IT1, neuro-inflammatory response and functional tests including a modified neurological severity score (mNSS) and a foot-fault test were assessed. RESULTS The level of ALMS1-IT1 was promptly enhanced at 12 hours (h) following MCAO, peaking at 48 h, and remaining high at day 14 compared to the sham group. Pro-inflammatory cytokines (IL-1β, IL-6, and TNF- α) were increased after MCAO, whereas ALMS1-IT1 inhibition suppressed the expression of IL-1β, IL-6 and TNF-α in MCAO rats. The results from mNSS and foot-fault test showed that ALMS1-IT1 knockdown significantly improved spatial learning and sensorimotor function of MCAO rats. Mechanistically, ALMS1-IT1 knockdown suppressed the activation of NF-κB signaling in vitro and in vivo, as evidenced by decreased p65 expression and p65 nuclear translocation. ALMS1-IT1 overexpression facilitated pro-inflammatory cytokines expression in microglia, whereas the effect was blocked by treatment with JSH-23 (a specific NF-κB inhibitor). CONCLUSION These data demonstrated that ALMS1-IT1 inhibition improved neurological function of MCAO rats, at least in part by repressing NF-κB-dependent neuro-inflammation.
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Affiliation(s)
- Peng Lu
- Department of Neurosurgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310016, China
| | - Ye Zhang
- Department of Hematology, Sir Run Run Shaw Hospital,Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310016, China
| | - Huanjiang Niu
- Department of Neurosurgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310016, China
| | - Yirong Wang
- Department of Neurosurgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310016, China
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Neuroprotective effect of 6-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline mediated via regulation of antioxidant system and inhibition of inflammation and apoptosis in a rat model of cerebral ischemia/reperfusion. Biochimie 2021; 186:130-146. [PMID: 33964368 DOI: 10.1016/j.biochi.2021.04.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 04/21/2021] [Accepted: 04/29/2021] [Indexed: 12/16/2022]
Abstract
The aim of the study was the assessment of the neuroprotective potential of 6-hydroxy-2,2,4-trimethyl-1,2-dihydroquinoline (DHQ) and its effect on inflammation, apoptosis, and transcriptional regulation of the antioxidant system in cerebral ischemia/reperfusion (CIR) in rats. The CIR rat model was constructed using the bilateral common carotid artery occlusion followed by reoxygenation. DHQ was administered at a dose of 50 mg/kg for three days. Histological staining was performed using hematoxylin and eosin. The level of S100B protein, 8-hydroxy-2-deoxyguanosine, and 8-isoprostane was assessed using an enzyme immunoassay. The intensity of apoptosis was assessed based on the activity of caspases and DNA fragmentation. The activity of enzymes was measured spectrophotometrically, the level of gene transcripts was assessed by real-time PCR. DHQ reduced the histopathological changes and normalized levels of S100B, lactate, pyruvate, and HIF-1 mRNA in the CIR rat model. In addition, DHQ decreased the oxidative stress markers in animals with a pathology. The tested compound also inhibited inflammation by decreasing the activity of myeloperoxidase, expression of interleukins and Nfkb2. DHQ-treated rats with CIR showed decreased caspase activity, DNA fragmentation, and AIF expression. DHQ changed activity of antioxidant enzymes to the control values, decreased the expression of Cat, Gsr, and Nfe2l2, which was overexpressed in CIR, and activated the expression of Sod1, Gpx1, Gsta2, and Foxo1. DHQ showed a neuroprotective effect on CIR in rats. The neuroprotective effect involve mechanisms such as the inhibition of oxidative stress, leading to a reduction in the inflammatory response and apoptosis and the modulation of the antioxidant defense components.
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11
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Zhang R, Liu C, Li Y, Chen L, Xiang J. Tenacissoside H promotes neurological recovery of cerebral ischaemia/reperfusion injury in mice by modulating inflammation and oxidative stress via TrkB pathway. Clin Exp Pharmacol Physiol 2021; 48:757-769. [PMID: 32799328 DOI: 10.1111/1440-1681.13398] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 08/07/2020] [Accepted: 08/10/2020] [Indexed: 12/11/2022]
Abstract
Cerebral ischaemia/reperfusion (I/R)-induced acute brain injury remains a troublesome condition in clinical practice. The present study aimed to investigate the protective effect of tenacissoside H (TH) on I/R-induced cerebral injury in mice. Here, a mouse model of middle cerebral artery occlusion (MCAO) was established by an improved Longa-Zea method. TH was given by intraperitoneal injection once a day within 1 week before establishing the mouse MCAO model. The neurological functions of mice were evaluated and the apoptosis of neurons was also detected by the TUNEL method and Nissl's staining. ELISA and western blot were used to detect the expression of inflammatory factors, oxidation factors and proteins in the cerebral ischaemic cortex. The results revealed that TH dose-dependently reduced neurological impairment, neuron apoptosis and brain oedema induced by MCAO. Furthermore, TH attenuated the expression of pro-inflammatory cytokines (including interleukin (IL)-1β, IL-6 and tumour necrosis factor (TNF)-α), iNOS and nuclear factor (NF)-κB while increased production of anti-inflammatory cytokines (IL-4, IL-10 and BDNF) and proteins of tropomyosin-related kinase receptor B (TrkB) and PPARγ. Nevertheless, after the addition of TrkB inhibitor, the effects of TH above were mostly restrained. In conclusion, TH can protect mice against I/R-induced neurological impairments via modulating inflammation and oxidative stress through TrkB signalling.
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Affiliation(s)
- Rui Zhang
- Department of NICU, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Cui Liu
- Department of Cardiovascular Surgery, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yang Li
- Department of NICU, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Liang Chen
- Interventional Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital South Campus (Shanghai Fengxian District Central Hospital), Shanghai, China
| | - Jianfeng Xiang
- Interventional Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital South Campus (Shanghai Fengxian District Central Hospital), Shanghai, China
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12
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Xu H, Wang Y, Luo Y. OTULIN is a new target of EA treatment in the alleviation of brain injury and glial cell activation via suppression of the NF-κB signalling pathway in acute ischaemic stroke rats. Mol Med 2021; 27:37. [PMID: 33836646 PMCID: PMC8035756 DOI: 10.1186/s10020-021-00297-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVE Ovarian tumour domain deubiquitinase with linear linkage specificity (OTULIN) is a potent negative regulator of the nuclear factor-κB (NF-κB) signalling pathway, and it plays a strong neuroprotective role following acute ischemic stroke. Electroacupuncture (EA) is an effective adjuvant treatment for reducing brain injury and neuroinflammation via the inhibition of NF-κB p65 nuclear translocation, but the underlying mechanism is not clear. The present study investigated whether OTULIN was necessary for EA to mitigate brain injury and glial cell activation in a transient middle cerebral artery occlusion (tMCAO) model in rats. METHODS An acute ischaemic stroke model was established via tMCAO surgery in Sprague-Dawley (SD) rats. EA was performed once daily at "Baihui (GV 20)", "Hegu (LI 4)", and "Taichong (LR 3)" acupoints. The effect of EA on the spatiotemporal expression of OTULIN in the ischaemic penumbra of the cerebral cortex was detected within 7 days after reperfusion. The effects of OTULIN gene silencing on EA neurological deficits, cerebral infarct volume, neuronal damage, the activation of microglia and astrocytes, the contents of tumour necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β) and interleukin-6 (IL-6), and the expression of p-IκBa, IκBa and nucleus/cytoplasm NF-κB p65 protein were assessed. RESULTS EA treatment increased endogenous OTULIN expression, which peaked at 48 h. Enhanced OTULIN was primarily located in neurons, but a small amount of OTULIN was detected in microglia. OTULIN silencing obviously reversed EA neuroprotection, which was demonstrated by worsened neurobehavioural performance, cerebral infarct volume and neuronal injury. The inhibitory effect of EA on the NF-κB pathway was also attenuated by enhanced IκBα phosphorylation and NF-κB p65 nuclear translocation. EA partially inhibited the transformation of microglia and astrocytes from resting states to activated states and reduced the secretion of TNF-α, IL-1β and IL-6. However, these preventive effects were reversed after the silencing of OTULIN expression. CONCLUSIONS OTULIN provides a new potential therapeutic target for EA to alleviate acute ischaemic stroke-induced brain injury and the activation of glial cells, which are related to suppression of the NF-κB signalling pathway.
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Affiliation(s)
- Hongbei Xu
- Department of Neurology, The Affiliated Hospital of Guizhou Medical University, Guizhou, 550004, China
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - You Wang
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
- Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Yong Luo
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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Abstract
Hypoxic-ischemic brain damage (HIBD) represents one of the leading causes of neonatal mortality and permanent neurological disability worldwide. Compelling studies have identified implication of microRNAs (miRNAs) in HIBD. However, the molecular mechanism of miR-21 underlying the disease pathogenesis is unknown. The present study aims to explore the role of miR-21 in neonatal rats with HIBD. HIBD rat models were developed by carotid artery ligation and hypoxia treatment, and in vitro cell models were induced by oxygen-glucose deprivation. Through RT-qPCR and western blot analysis, high expression of CCL3 and poor expression of miR-21 were detected in brain tissues of rats with HIBD. Results of dual-luciferase reporter gene assay demonstrated that miR-21 could target and downregulate CCL3. The effect of miR-21 on the neurobehavioral ability of rats, the pathological characteristics of brain tissues, neuron apoptosis and as well as its impact on the NF-κB signaling pathway-related factors was examined by gain- and loss-of-function experiments. The obtained data suggested that upregulation of miR-21 resulted in significantly reduced cerebral infarct volume and degree of brain tissue damage, and improved neurobehavioral ability and memory ability in rats with HIBD through downregulation of CCL3. Besides, overexpression of miR-21 downregulated CCL3 to repress IKKα/β and p65 phosphorylation both in vivo and in vitro, hence disrupting the NF-κB signaling pathway. Taken together, the key findings of the current study underlie the cerebral protective effect of miR-21 against HIBD in neonatal rats through the inhibition of CCL3.
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Zhang S, Feng Z, Gao W, Duan Y, Fan G, Geng X, Wu B, Li K, Liu K, Peng C. Aucubin Attenuates Liver Ischemia-Reperfusion Injury by Inhibiting the HMGB1/TLR-4/NF-κB Signaling Pathway, Oxidative Stress, and Apoptosis. Front Pharmacol 2020; 11:544124. [PMID: 33013386 PMCID: PMC7506056 DOI: 10.3389/fphar.2020.544124] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 08/24/2020] [Indexed: 12/16/2022] Open
Abstract
Liver ischemia-reperfusion injury (IRI) is a common clinical event with high morbidity in patients undergoing complex liver surgery or having abdominal trauma. Inflammatory and oxidative stress responses are the main contributing factors in liver IRI. The iridoid glucoside aucubin (AU) has good anti-inflammatory and antioxidative effects; however, there are no relevant reports on the protective effect of glucosides on hepatic IRI. The purpose of this study was to determine whether AU pretreatment could prevent liver IRI and to explore the mechanism. Sprague–Dawley rats were randomly divided into five groups. The sham operation and IRI control groups were given intraperitoneal injections of normal saline, while the AU low-dose (AU-L) group, AU medium-dose (AU-M) group, and AU high-dose (AU-H) group were given intraperitoneal injections of AU at doses of 1, 5, and 10 mg/kg/day, respectively. After 10 d, liver IRI (70% liver ischemia for 1 h, reperfusion for 6 h) was surgically established in all groups except the sham group. Our results confirmed that liver injury was significantly aggravated after hepatic ischemia-reperfusion. AU alleviated the increase of transaminase and pathological changes induced by ischemia-reperfusion and improved liver damage. AU could also ameliorate the inflammatory and oxidative stress responses induced by ischemia-reperfusion and reduced expression of high mobility group protein (HMG)B1, receptor for advanced glycation end-products (RAGE), tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and reactive oxygen species (ROS). Moreover, AU reduced ischemia-reperfusion-induced mitochondrial dysfunction and cells apoptosis, increased peroxisome proliferator-activated receptor γ coactivator (PGC)-1α and uncoupling (UCP)2 protein expression, and reduced caspase-3, cleaved caspase-3, and Cytochrome P450 proteins (CYP) expression. To determine expression levels of the Toll-like receptor (TLR)-4/nuclear factor-κB (NF-κB) pathway-related proteins in vitro and in vivo, we also measured TLR-4, myeloid differentiation factor88 (MyD88), NF-κB P65, p-P65, I-kappa-B-alpha (IκB-α), and p-IκB-α levels. The results showed that AU effectively inhibited activation of the TLR-4/NF-κB signaling pathway. In conclusion, we showed for the first time a hepatoprotective effect for AU in liver IRI, which acted by inhibiting the HMGB1/TLR-4/NF-κB signaling pathway, oxidative stress, and apoptosis. Pretreatment with AU may be a promising strategy for preventing liver IRI.
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Affiliation(s)
- Shilong Zhang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Zanjie Feng
- Department of Biochemistry and Molecular Biology, Zunyi Medical University, Zunyi, China
| | - Weidong Gao
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yuling Duan
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Guoxin Fan
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Xin Geng
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Bo Wu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Kai Li
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Kangwei Liu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Cijun Peng
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
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15
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Fang X, Li Y, Zheng Y, Wang Y, Feng S, Miao M. Ethanol extracts from Ilex pubescens promotes cerebral ischemic tolerance via modulation of TLR4-MyD88/TRIF signaling pathway in rats. JOURNAL OF ETHNOPHARMACOLOGY 2020; 256:112680. [PMID: 32084554 DOI: 10.1016/j.jep.2020.112680] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 02/16/2020] [Accepted: 02/16/2020] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Pubescent Holly Root is the dry root of Ilex pubescens Hook. et Arn. It is clinically using in the treatment for stroke and coronary artery disease. It remains unclear whether the ethanol extracts of Ilex pubescens(IPEE) treatment can promote cerebral ischemic tolerance (CIT) and exert endogenous neuroprotective effects and thus to alleviate the nerve injury caused by the subsequent persistent cerebral ischemic attacks. AIM OF THE STUDY To investigate the effects of IPEE on CIT and its underlying molecular mechanisms. MATERIALS AND METHODS Adult male Wistar rats were used in the present study. The bilateral common carotid arteries were blocked for 10 min followed a subsequent reperfusion to create the cerebral ischemic preconditioning (CIP); After 3 days post CIP, rats were subjected to middle cerebral artery occlusion/reperfusion (MCAO/R)-injury. Rats were continuously fed with IPEE for 5 days throughout the experiment period at the dose of 100 mg/kg and 200 mg/kg, respectively. Then, the brain infarct volume, histopathology, neurological deficits, and the gene/protein expression related with the TLR4-MyD88/TRIF signaling pathway were evaluated after 24 h of MCAO/R experiment. RESULTS IPEE pretreatment significantly reduced the cerebral infarct volume, the neurological deficit scores, and the plasma level of neuron specific enolase (NSE) at the dose of 100 mg/kg. Meanwhile, IPEE pretreatment significantly decreased the levels of inflammatory cytokines including TNF-α, IL-6, MCP-1, MIP-1α and RANTES, while it increased the levels of anti-inflammatory cytokines, such as IL-10 and TGF-β, when compared with the group with CIP treatment alone. Moreover, the effect of IPEE treatment on CIT was in a dose-dependent manner, showing as a better effect in the group pretreated with IPEE with the dose of 100 mg/kg than that in group pretreated with IPEE with the dose of 200 mg/kg. In addition, IPEE pretreatment significantly inhibited the expressions of MyD88 mRNA and the protein expression of COX-2 and NF-κBp65, while it strengthened the expressions of TRIF mRNA and protein. The effects of IPEE pretreatment on the expression of these genes were better than that in the group treated with CIP alone. CONCLUSIONS The present study demonstrates that IPEE pretreatment can enhance cerebral ischemic tolerance with a underlying mechanism involved in the toll-like receptor 4 (TLR4) signaling pathway through inhibiting the production of proteins or cytokines in the downstream of MyD88 and activating TRIF dependent anti-inflammatory pathways.
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Affiliation(s)
- Xiaoyan Fang
- Department of Pharmacology, School of Pharmacy, Henan University of Chinese Medicine, China.
| | - Yujie Li
- Pharmacology Laboratory, School of Basic Medical Medicine, Henan University of Chinese Medicine, China.
| | - Yan Zheng
- Department of Pharmacology, School of Pharmacy, Henan University of Chinese Medicine, China.
| | - Yanzhi Wang
- Department of Pharmacochemistry, School of Pharmacy, Henan University of Chinese Medicine, China.
| | - Suxiang Feng
- Department of Analytical Chemistry, School of Pharmacy, Henan University of Chinese Medicine, China.
| | - Mingsan Miao
- Department of Graduate School, Henan University of Chinese Medicine, China.
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16
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Li KW, Liang YY, Xie SM, Niu FJ, Guo LY, Liu ZH, Zhou CZ, Wang LZ. Ixeris sonchifolia: a review of its traditional uses, chemical constituents, pharmacology and modern applications. Biomed Pharmacother 2020; 125:109869. [DOI: 10.1016/j.biopha.2020.109869] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 12/27/2022] Open
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17
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Li HY, Li P, Yang HG, Yao QQ, Huang SN, Wang JQ, Zheng N. Investigation and comparison of the protective activities of three functional proteins-lactoferrin, α-lactalbumin, and β-lactoglobulin-in cerebral ischemia reperfusion injury. J Dairy Sci 2020; 103:4895-4906. [PMID: 32229112 DOI: 10.3168/jds.2019-17725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 01/22/2020] [Indexed: 01/05/2023]
Abstract
The objective of this study was to evaluate the protection conferred by lactoferrin, α-lactalbumin, and β-lactoglobulin in cerebral ischemia reperfusion (I/R) injury. Rat pheochromocytoma (PC12) cells were used to construct an oxygen and glucose deprivation model in vitro, and ICR mice underwent carotid artery "ligation-relaxation" to construct a cerebral I/R injury model in vivo. The levels of toll-like receptor 4 (TLR4) and downstream factors including nuclear factor-κB, tumor necrosis factor-α, and IL-1β were measured. Metabonomics detection and data mining were conducted to identify the specific metabolic sponsor of the 3 proteins. The results showed that lactoferrin, α-lactalbumin, and β-lactoglobulin protected neurons from cerebral I/R injury by increasing the level of bopindolol and subsequently inhibiting the TLR4-related pathway to different degrees; β-lactoglobulin had the strongest activity of the 3 proteins. In summary, this study is the first to investigate and compare the protective effects of lactoferrin, α-lactalbumin, and β-lactoglobulin in a cerebral stroke model. The results implicate TLR4 as a novel target of the 3 bioactive proteins to prevent cerebral I/R injury.
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Affiliation(s)
- Hui-Ying Li
- Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Peng Li
- Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Risk Assessment for Dairy Products, Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Huai-Gu Yang
- Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Qian-Qian Yao
- Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Sheng-Nan Huang
- Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Jia-Qi Wang
- Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China.
| | - Nan Zheng
- Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China.
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Yang HG, Li HY, Li P, Bao XY, Huang GX, Xing L, Zheng N, Wang JQ. Modulation activity of heat-treated and untreated lactoferrin on the TLR-4 pathway in anoxia cell model and cerebral ischemia reperfusion mouse model. J Dairy Sci 2019; 103:1151-1163. [PMID: 31837800 DOI: 10.3168/jds.2019-17002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/07/2019] [Indexed: 12/21/2022]
Abstract
This study aimed to investigate the modulation activity of heated and nonheated lactoferrins in an inflammatory pathway in anoxia and reoxygenation cell and cerebral ischemic reperfusion mouse models. Rat pheochromocytoma 12 (PC-12) cells were subjected to oxygen and glucose deprivation in vitro to construct an anoxia and reoxygenation cell model, and Institute for Cancer Research (ICR) mice were given carotid artery "ligation-relaxation" in vivo to construct a cerebral ischemic reperfusion mouse model. The protein levels of toll-like receptor 4 (TLR-4) and downstream inflammatory proteins including nuclear factor-κB (NF-κB), tumor necrosis factor-α (TNF-α), and IL-1β were detected. Meanwhile, metabonomic detection of overall metabolites of PC-12 cells was performed to screen out the specific changed metabolite affected by lactoferrin at the condition of anoxia and reoxygenation. The results showed that lactoferrin could inhibit the TLR-4-related pathway triggered by anoxia and reoxygenation and ischemic reperfusion. A total of 41 significantly changed metabolites were identified by metabonomic analysis, and glutathione was seen as a metabolite of interest in suppressing TLR-4-related pathway in anoxia and reoxygenation cell models. However, heated lactoferrin lost the ability of attenuating the TLR-4-related pathway. The loss of modulation activity of heated lactoferrin might be due to its protein aggregation, which was evidenced by larger average particle diameter than the unheated lactoferrin. This study is the first to investigate the effect of heat treatment on the modulation activity of lactoferrin in the TLR-4-related pathway in anoxia and reoxygenation cell and cerebral ischemic reperfusion mouse models, and indicate that lactoferrin may serve as a dietary intervention for cerebral ischemia.
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Affiliation(s)
- Huai-Gu Yang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Hui-Ying Li
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Peng Li
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Xiao-Yu Bao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Guo-Xin Huang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Lei Xing
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Nan Zheng
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China.
| | - Jia-Qi Wang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Key Laboratory of Quality and Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China; Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China.
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19
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Baicalin protects against ethanol-induced chronic gastritis in rats by inhibiting Akt/NF-κB pathway. Life Sci 2019; 239:117064. [DOI: 10.1016/j.lfs.2019.117064] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 11/07/2019] [Accepted: 11/12/2019] [Indexed: 12/11/2022]
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20
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Melanocyte Hyaluronan Coat Fragmentation Enhances the UVB-Induced TLR-4 Receptor Signaling and Expression of Proinflammatory Mediators IL6, IL8, CXCL1, and CXCL10 via NF-κB Activation. J Invest Dermatol 2019; 139:1993-2003.e4. [DOI: 10.1016/j.jid.2019.03.1135] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 02/20/2019] [Accepted: 03/05/2019] [Indexed: 12/18/2022]
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21
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Zeng Z, Zhang Y, Liang X, Wang F, Zhao J, Xu Z, Liu X, Liu X. Qingnao dripping pills mediate immune-inflammatory response and MAPK signaling pathway after acute ischemic stroke in rats. J Pharmacol Sci 2019; 139:143-150. [DOI: 10.1016/j.jphs.2018.12.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 12/06/2018] [Accepted: 12/31/2018] [Indexed: 12/17/2022] Open
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22
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Zhang X, Fu C, Chen B, Xu Z, Zeng Z, He L, Lu Y, Chen Z, Liu X. Autophagy Induced by Oxygen-Glucose Deprivation Mediates the Injury to the Neurovascular Unit. Med Sci Monit 2019; 25:1373-1382. [PMID: 30787267 PMCID: PMC6394142 DOI: 10.12659/msm.915123] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Autophagy is characterized by the degradation of cellular components in autophagosomes. It plays a significant role in cerebral ischemic injury and has a complex functional connection with apoptosis. The neurovascular unit (NVU) is a structural and functional unit of the nervous system presented as a therapeutic target of stroke. This study aimed to investigate the effect of autophagy induced by ischemic damage on NVUs. MATERIAL AND METHODS SH-SY5Y cells, C6 cells, and rat brain microvascular endothelial cells were cultured with oxygen-glucose deprivation (OGD) exposure for different time durations, and 3-methyladenine (3-MA) was added as an autophagy inhibitor. In all 3 cell lines, lactate dehydrogenase (LDH) release was measured. Furthermore, apoptosis was detected using Annexin V-fluorescein isothiocyanate/propidium iodide labeling and immunofluorescence staining. Autophagosomes were observed through AO/MDC (acridine orange/monodansycadaverine) double staining. LC3-II expression levels were evaluated by western blot analysis. RESULTS In the OGD groups of 3 cell lines, LDH leakage, and apoptotic rates were obviously increased. Remarkable increase in LC3-II expression was found in the OGD groups of SH-SY5Y cells and C6 cells. However, 3-MA decreased the LC3-II expression to varying degrees. CONCLUSIONS OGD could induce the over-activation of autophagy and augment the apoptotic activity in neurons and glial cells of NVUs.
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Affiliation(s)
- Xinyang Zhang
- Beijing University of Chinese Medicine, Beijing, China (mainland)
| | - Chen Fu
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China (mainland)
| | - Baoxin Chen
- Department of Neurology, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China (mainland)
| | - Zhenmin Xu
- Beijing University of Chinese Medicine, Beijing, China (mainland)
| | - Zixiu Zeng
- Beijing University of Chinese Medicine, Beijing, China (mainland)
| | - Lijuan He
- Department of Neurology, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China (mainland)
| | - Yan Lu
- Department of Neurology, Xiyuan Hospital, China Academy of Chinese Medical Science, Beijing, China (mainland)
| | - Zhigang Chen
- Department of Neurology, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China (mainland)
| | - Xuemei Liu
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China (mainland)
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Zhang Y, Wu R, Gu C, Gao F, Hu X, Zang P, Dong T. A study on role and mechanism of TLR4/NF-κB pathway in cognitive impairment induced by cerebral small vascular disease. Clin Hemorheol Microcirc 2019; 72:201-210. [PMID: 30689560 DOI: 10.3233/ch-180515] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To investigate the role and potential mechanism of Toll-like receptor 4 (TLR4)/nuclear factor-kappa B (NF-κB) signaling pathway in cognitive impairment induced by cerebral small vascular disease (CSVD), so as to provide a reference for the clinical treatment of CSVD-induced cognitive impairment. METHODS Mice with TLR4 gene knockout (n = 20) and those with wild-type TLR4 gene (n = 40) aged 8-10 weeks old were divided into blank control group (Control group, n = 20), wild-type + CSVD group (WT + CSVD group, n = 20) and TLR4 gene knockout + CSVD group (TLR4 KO + CSVD group, n = 20). Allogeneic thrombosis (particle diameter: 50-70 mm) was injected to the mouse's external carotid artery to create a model of learning and memory dysfunction. Step-down test and Y-type maze test were utilized to examine the learning and memory abilities of the mice. Reverse transcription-polymerase chain reaction (RT-PCR) and immunoblotting techniques were adopted to measure the levels of apoptosis-related genes [B-cell lymphoma/leukemia-2 (Bcl-2), Bcl-2-associated X protein (Bax), C-caspase-3 and T-caspase-3] in the brain tissues of mice. Terminal dexynucleotidyl transferase (TdT)-mediated dUTP nick end labeling (TUNEL) method was applied to detect the apoptosis of neuronal cells in the brain tissues. Meanwhile, the levels of oxidative stress markers, including superoxide dismutase (SOD), gp91 and malondialdehyde (MDA), were measured. Finally, the expression level of TLR4/NF-κB pathway was detected. RESULTS The latency in the step-down test in the WT + CSVD group was remarkably longer than that in the Control group, and the number of errors was evidently larger than that in the Control group (p < 0.05). At the same time, in the WT + CSVD group, the expression levels of pro-apoptotic genes Bax and C-caspase-3 were up-regulated markedly, while the expression level of anti-apoptotic gene Bcl-2 declined notably (p < 0.05). TUNEL results showed that the number of apoptotic cells in the brain tissues in the WT + CSVD group was about 12 times that in the Control group (p < 0.05). Meanwhile, the SOD expression level was lowered, and the MDA expression level was elevated in the brain tissues in the WT + CSVD group. In addition, the TLR4/NF-κB pathway was prominently activated in the mice in the WT + CSVD group (p < 0.05). After TLR4 gene knockout, the cognitive functions of the mice were improved markedly, and the apoptosis of neuronal cells and oxidative stress in the brain tissues were suppressed significantly in the meantime. Moreover, the activation of the TLR4/NF-κB signaling pathway was also inhibited. CONCLUSION The TLR4/NF-κB pathway is involved in the occurrence and development of CSVD-induced cognitive impairment through regulating oxidative stress and cell apoptosis.
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Affiliation(s)
- Yi Zhang
- Department of Neurology, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Ruipeng Wu
- Department of Neurology, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Cheng Gu
- Department of Neurology, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Fulin Gao
- Department of Neurology, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Xiaojuan Hu
- Department of Neurology, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Peixi Zang
- Department of Neurology, Gansu Provincial Hospital, Lanzhou, Gansu, China
| | - Tong Dong
- Department of Neurology, Gansu Provincial Hospital, Lanzhou, Gansu, China
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Jiang H, Fang J, Xing J, Wang L, Wang Q, Wang Y, Li Z, Liu R. Tilianin mediates neuroprotection against ischemic injury by attenuating CaMKII-dependent mitochondrion-mediated apoptosis and MAPK/NF-κB signaling. Life Sci 2019; 216:233-245. [DOI: 10.1016/j.lfs.2018.11.035] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 11/10/2018] [Accepted: 11/15/2018] [Indexed: 01/06/2023]
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Simultaneous Determination of Five Phenolic Acids and Four Flavonoid Glycosides in Rat Plasma Using HPLC-MS/MS and Its Application to a Pharmacokinetic Study after a Single Intravenous Administration of Kudiezi Injection. Molecules 2018; 24:molecules24010064. [PMID: 30585201 PMCID: PMC6337671 DOI: 10.3390/molecules24010064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 12/21/2018] [Accepted: 12/21/2018] [Indexed: 11/22/2022] Open
Abstract
This study has developed a reliable and precise high performance liquid chromatography-tandem mass spectrometry method for the simultaneous determination of five phenolic acids and four flavonoid glycosides in rat plasma after a single intravenous administration of Kudiezi injection (KI). Chromatographic separation was carried out on an Ultimate®XB-C18 column (4.6 × 100 mm, 3.5 μm) using a gradient elution program with a mobile phase consisting of water containing 0.5% acetic acid and acetonitrile at a flow rate of 0.6 mL/min. Detection was performed on a triple-quadrupole tandem mass spectrometry using multiple reaction monitoring in negative electrospray ionization mode. The calibration curves of all analytes showed good linearity (R2 > 0.990). The results of selectivity, intra-day and inter-day precisions, extraction recoveries, matrix effects and stability were satisfactory. Pharmacokinetic parameters showed that luteolin-7-O-β-d-gentiobioside, luteolin-7-O-β-d-glucuronide, luteolin-7-O-β-d-glucoside and apigenin-7-O-β-d-glucuronide were eliminated quickly (0.07 h < t1/2 < 0.66 h), whereas 5-caffeoylquinic acid, caftaric acid, chlorogenic acid, 4-caffeoylquinic acid and caffeic acid were eliminated relatively slowly (2.22 h < t1/2 < 6.09 h) in rat blood. The pharmacokinetic results would be valuable to identify bioactive constituents, elucidate mechanisms of pharmacological actions or adverse drug reactions and guide the rational clinical use of KI.
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宣 玲, 陈 斌, 郭 建, 康 品, 陶 敏, 高 琴, 唐 碧, 张 恒. [Effect of low-dose ethanol consumption on expression of nuclear factor-κB in diabetic rats with myocardial injury]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2018; 38:1255-1260. [PMID: 30377130 PMCID: PMC6744052 DOI: 10.3969/j.issn.1673-4254.2018.10.17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE To investigate the effect of low-dose ethanol on the expression of nuclear factor-κB (NF-κB) in diabetic rats with myocardial injury. METHODS Rat models of diabetes were established by an intraperitoneal injection of 55 mg/kg streptozotocin (STZ). After successful modeling, the rats were given 2.5% ethanol (daily dose of 20 mg/kg) for 1 week, followed by 5% ethanol (daily dose of 39.45 mg/kg) for another 7 weeks. Normal rats without STZ injection and diabetic rats without ethanol treatment serve as the normal control and diabetic model groups, respectively. The ventricular function of the rats was determined using echocardiography. The plasma levels of interleukin-1 (IL-1) and IL-4 were detected in the rats, and the expressions of 4-HNE, NF-κB and IKK proteins in the left anterior myocardium was evaluated using immunohistochemistry or Western blotting; the ultrastructural changes of the myocardium were observed using transmission electron microscopy. RESULTS Compared with the normal control group, the diabetic rats showed significantly lowered systolic and diastolic functions of the left ventricle, increased plasma level of IL-1 and myocardial 4-HNE expression (P < 0.01), decreased plasma level of plasma IL-4 (P < 0.01), and increased myocardial expressions of NF-κB and IKK proteins (P < 0.01). Transmission electron microscopy revealed myofibrillar rupture, incomplete myofibrillar structure and mitochondrial damage in the cardiac myocytes in the diabetic rats. Compared with the diabetic rats, the rats with low-dose ethanol treatment exhibited improved systolic and diastolic functions of the left ventricle, milder myocardial myofibrillar and mitochondrial damages, and significantly lowered plasma IL-1 level and myocardial expressions of 4-HNE, NF-κB and IKK (P < 0.01), and increased plasma IL-4 level (P < 0.01). CONCLUSIONS NF-κB expression is increased in the myocardium of diabetic rats with myocardial injury, and low-dose ethanol consumption lowers myocardial expression of NF-κB in diabetic rats, suggesting the involvement of NF-κB signaling pathway in the protective effect of low-dose ethanol against myocardial injury in diabetes mellitus.
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Affiliation(s)
- 玲 宣
- 蚌埠医学院第一附属医院心血管内科,安徽 蚌埠 233000Department of Cardiovascular Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu 233000, China
| | - 斌 陈
- 蚌埠医学院第一附属医院心血管内科,安徽 蚌埠 233000Department of Cardiovascular Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu 233000, China
| | - 建路 郭
- 蚌埠医学院第一附属医院心血管内科,安徽 蚌埠 233000Department of Cardiovascular Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu 233000, China
| | - 品方 康
- 蚌埠医学院第一附属医院心血管内科,安徽 蚌埠 233000Department of Cardiovascular Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu 233000, China
| | - 敏 陶
- 蚌埠医学院第一附属医院心血管内科,安徽 蚌埠 233000Department of Cardiovascular Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu 233000, China
| | - 琴 高
- 蚌埠医学院生理学教研室,安徽 蚌埠 233000Department of Physiology, Bengbu Medical College, Bengbu 233000, China
| | - 碧 唐
- 蚌埠医学院第一附属医院心血管内科,安徽 蚌埠 233000Department of Cardiovascular Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu 233000, China
| | - 恒 张
- 蚌埠医学院第一附属医院心血管内科,安徽 蚌埠 233000Department of Cardiovascular Medicine, First Affiliated Hospital of Bengbu Medical College, Bengbu Medical College, Bengbu 233000, China
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Liu X, Jin X, Chen B, Liu X, Liang X, Fang X, Wu H, Fu X, Zheng H, Ding X, Duan N, Zhang Y. Effects of Kudiezi Injection on Serum Inflammatory Biomarkers in Patients with Acute Cerebral Infarction. DISEASE MARKERS 2018; 2018:7936736. [PMID: 30245755 PMCID: PMC6139219 DOI: 10.1155/2018/7936736] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 05/28/2018] [Indexed: 02/05/2023]
Abstract
BACKGROUND Kudiezi injection is a traditional Chinese medicine for acute cerebral infarction, but the exact mechanisms are poorly understood. OBJECTIVE To investigate the mechanisms of Kudiezi injection on the inflammatory response in the treatment of acute cerebral infarction. METHODS This was a prospective study of patients with acute cerebral infarction within 48 h of onset and treated between July 2012 and July 2016 at three hospitals in China. The patients were randomized to routine treatments (control group) versus routine treatments and Kudiezi injection (Kudiezi group). The National Institutes of Health Stroke Score was assessed on days 1, 3, 5, 7, and 14. The patients were tested for serum levels of pro- and anti-inflammatory cytokines (S100 calcium-binding protein B, neuron-specific enolase, interleukin-6, interleukin-10, interleukin-18, and matrix metaloproteinase-9; by enzyme-linked immunosorbent assay) immediately after admission and on days 3, 5, and 14. RESULTS Stroke scores were improved in both groups from days 1 to 14. On days 5 and 7, stroke scores in the Kudiezi group were lower than in the control group (P < 0.05). Compared with controls, the Kudiezi group had lower serum S100 calcium-binding protein B on day 14; higher interleukin-6 and interleukin-10 on day 3; lower interleukin-6 and interleukin-18 on day 5; and lower interleukin-18 and matrix metaloproteinase-9 on day 14. CONCLUSION Kudiezi injection could lead to early reduction of interleukin-6, interleukin-18, matrix metaloproteinase-9, neuron-specific enolase, and S100 calcium-binding protein B levels and increases of interleukin-10 levels in patients with acute ischemic stroke. This trial is registered with ClinicalTrials.gov NCT01636154.
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Affiliation(s)
- Xuemei Liu
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xianglan Jin
- Department of Neurology, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Baoxin Chen
- Department of Neurology, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaohan Liu
- Beijing University of Chinese Medicine, Beijing, China
| | - Xiao Liang
- Beijing University of Chinese Medicine, Beijing, China
| | - Xiaolei Fang
- Department of Emergency, Dong Fang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Hongyun Wu
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xiaoyu Fu
- Department of Neurology, Beijing Huairou District Hospital of Chinese Medicine, Beijing, China
| | - Hong Zheng
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xiao Ding
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Na Duan
- Department of Neurology, Beijing Huairou District Hospital of Chinese Medicine, Beijing, China
| | - Yunling Zhang
- Central Laboratory, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing, China
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Peng Y, Jin J, Fan L, Xu H, He P, Li J, Chen T, Ruan W, Chen G. Rolipram Attenuates Early Brain Injury Following Experimental Subarachnoid Hemorrhage in Rats: Possibly via Regulating the SIRT1/NF-κB Pathway. Neurochem Res 2018; 43:785-795. [PMID: 29397536 DOI: 10.1007/s11064-018-2480-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 01/17/2018] [Accepted: 01/18/2018] [Indexed: 12/26/2022]
Abstract
Early brain injury (EBI) is the primary cause of poor outcome in subarachnoid hemorrhage (SAH) patients. Rolipram, a specific phosphodiesterase-4 inhibitor which is traditionally used as an anti-depressant drug, has been recently proven to exert neuroprotective effects in several central nervous system insults. However, the role of rolipram in SAH remains uncertain. The current study was aimed to investigate the role of rolipram in EBI after SAH and explore the potential mechanism. Adult male Sprague-Dawley rats were subjected to an endovascular perforation process to produce an SAH model. Rolipram was injected intraperitoneally at 2 h after SAH with a dose of 10 mg/kg. We found that rolipram significantly ameliorated brain edema and alleviated neurological dysfunction after SAH. Rolipram treatment remarkably promoted the expression of Sirtuin 1 (SIRT1) while inhibited NF-κB activation. Moreover, rolipram significantly inhibited the activation of microglia as well as down-regulated the expression of pro-inflammatory cytokines TNF-α, IL-1ß, and IL-6. In addition, rolipram increased the expression of protective cytokine IL-10. Furthermore, rolipram significantly alleviated neuronal death after SAH. In conclusion, these data suggested that rolipram exerts neuroprotective effects against EBI after SAH via suppressing neuroinflammation and reducing neuronal loss. The neuroprotective effects of rolipram were associated with regulating the SIRT1/NF-κB pathway. Rolipram could be a novel and promising therapeutic agent for SAH treatment.
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Affiliation(s)
- Yucong Peng
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Jianxiang Jin
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Linfeng Fan
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Hangzhe Xu
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Pingyou He
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Jianru Li
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Ting Chen
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Wu Ruan
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China
| | - Gao Chen
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Jiefang Road 88th, Hangzhou, 310016, China.
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