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Chien TJ, Huang YS, Liao LL, Chu CC, Pai JH. Head-to-Head Comparison of Electroacupuncture and Laser Acupuncture Effects on Autonomic Regulation and Clinical Effects in Dysmenorrhea: A Randomized Crossover Clinical Trial. JOURNAL OF INTEGRATIVE AND COMPLEMENTARY MEDICINE 2024. [PMID: 38364185 DOI: 10.1089/jicm.2023.0183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
Introduction: Electroacupuncture (EA) has been applied in dysmenorrhea and has shown good efficacy. The mechanisms of EA are associated with autonomic nervous system adjustments and neuroendocrine regulation. Laser acupuncture (LA), however, has been widely investigated for its noninvasiveness. However, it remains uncertain whether LA is as effective as EA. This study aimed to compare EA and LA head to head in dysmenorrhea. Methods: A crossover, randomized clinical trial was conducted. EA or LA was applied to selected acupuncture points. Participants were randomized into two sequence treatment groups who received either EA or LA twice per week in luteal phase for 3 months followed by 2-month washout, then shifted to other groups (sequence 1: EA > LA; sequence 2: LA > EA). Outcome measures were heart rate variability (HRV), prostaglandins (PGs), pain, and quality-of-life (QoL) assessment (QoL-SF12). We also compared the effect of EA and LA in low and high LF/HF (low frequency/high frequency) status. Results: Totally, 43 participants completed all treatments. Both EA and LA significantly improved HRV activity and were effective in reducing pain (Visual Analog Scale [VAS]; EA: p < 0.001 and LA: p = 0.010) and improving QoL (SF12: EA: p < 0.001, LA, p = 0.017); although without intergroup difference. EA reduced PGs significantly (p < 0.001; δ p = 0.068). In low LF/HF, EA had stronger effects than LA in increasing parasympathetic tone in respect of percentage of successive RR intervals that differ by more than 50 ms (pNN50; p = 0.053) and very low-frequency band (VLF; p = 0.035). Conclusion: There is no significant difference between EA and LA in improving autonomic nervous system dysfunction, pain, and QoL in dysmenorrhea. EA is prominent in PGs changing and preserving vagus tone in low LF/HF; yet LA is noninvasive for those who have needle phobia. Whether LA is equivalent with EA and the mechanism warrants further study. Clinical trial identification number: NCT04178226.
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Affiliation(s)
- Tsai-Ju Chien
- Division of Hemato-Oncology, Department of Internal Medicine, Branch of Zhong-Zhou, Taipei City Hospital, Taipei, Taiwan
- Institute of Traditional Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Shuo Huang
- Institute of Traditional Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
- Department of Traditional Medicine, Branch of Yang-Ming, Taipei City Hospital, Taipei, Taiwan
| | - Li-Lan Liao
- Department of Traditional Medicine, Branch of Kunming, Taipei City Hospital, Taipei, Taiwan
| | - Chi-Chang Chu
- Department of Gynecology and Obstetrics, Branch of Yang-Ming, Taipei City Hospital, Taipei, Taiwan
| | - Juo-Hsiang Pai
- Division of Hemato-Oncology, Department of Internal Medicine, Branch of Zhong-Zhou, Taipei City Hospital, Taipei, Taiwan
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Xuan SS, Zhao Y, Zheng Y, Zhu J, Li H, Lu PP, Shao SJ, Guo HD, Mou FF. Electroacupuncture improves cardiac function after myocardial infarction by regulating the mobilization and migration of endogenous stem cells. Acupunct Med 2023; 41:354-363. [PMID: 37337652 DOI: 10.1177/09645284231169485] [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] [Indexed: 06/21/2023]
Abstract
OBJECTIVE The aim of this study was to explore the role and mechanisms of electroacupuncture (EA) in the regulation of chemokines in endogenous stem cell mobilization and myocardial regeneration after myocardial infarction (MI). METHODS An MI model was constructed in adult male Sprague-Dawley rats by ligating the left anterior descending coronary artery. After 4 weeks of treatment, echocardiography was used to detect changes in cardiac function, and Masson's trichrome staining was used to detect collagen deposition. In addition, immunofluorescence staining was applied to examine von Willebrand factor (vWF)-positive vessels, the expression of cardiac troponin T (cTnT) and proliferation marker Ki67, and the number of c-kit-positive, C-X-C chemokine receptor type 4 (CXCR4)-positive, and Sca-1-positive endogenous stem cells in the infarcted area. In addition, the expression of stromal cell-derived factor (SDF)-1 and stem cell factor (SCF) was detected. RESULTS EA increased the ejection fraction after MI, reduced collagen deposition and cellular apoptosis, and increased the number of blood vessels compared with an untreated model group. EA significantly promoted cellular proliferation, except for myocardial cells, and significantly increased the number of c-kit-, CXCR4- and Sca-1-positive stem cells. Moreover, the expression of SDF-1 and SCF in myocardial tissue in the EA group was significantly higher than that in the (untreated) MI group. CONCLUSIONS EA appears to promote angiogenesis and reduce collagen deposition, thus improving the cardiac function of rats with MI. The underlying mechanism of action may involve endogenous stem cell mobilization mediated by SDF-1/CXCR4 and SCF/c-kit.
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Affiliation(s)
- Shou-Song Xuan
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Jiading Hospital of Traditional Chinese Medicine, Shanghai, China
| | - Yue Zhao
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yan Zheng
- Jiading Hospital of Traditional Chinese Medicine, Shanghai, China
| | - Jing Zhu
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Han Li
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ping-Ping Lu
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shui-Jin Shao
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hai-Dong Guo
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Fang-Fang Mou
- Department of Anatomy, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Supriyana DS, Prasetyawati AE, Arifianto H. Combination Electroacupuncture and Guidelines Directed Medical Therapy Maintained Stability of Heart Rate and Mean Arterial Pressure in Heart Failure with Reduced Ejection Fraction. Med Acupunct 2023; 35:296-304. [PMID: 38162549 PMCID: PMC10753942 DOI: 10.1089/acu.2023.0075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024] Open
Abstract
Background Clinical studies have shown that electroacupuncture (EA) has therapeutic and modulatory effects on managing heart failure (HF) risk factors. Objective This study aimed to determine the impact of combination drugs and EA on chronic HF patients with reduced ejection fraction (HFrEF) to maintain a stable heart rate (HR) and mean arterial pressure (MAP). Materials and Methods This single-blind clinical randomized controlled trial included 42 patients with chronic HFrEF. The patients were divided into 3 groups: patients taking drugs and EA, patients taking drugs and sham EA (sham acupuncture [SA]), and patients taking drugs without EA. All patients underwent 16 sessions of therapy for 8 weeks. Results There was a significant difference in the average MAP based on therapy duration in the drugs + EA group, whereas there was no significant difference between drugs + SA and drugs without EA groups. There was a substantial difference between the average MAP in the drugs + EA group at the beginning of therapy compared with that at midtherapy (P < 0.05) and at the beginning of treatment and at the end of therapy (P < 0.05). There was no significant difference in the mean HR between the groups. Clinically, after 16 treatment sessions, patients receiving combined drugs and EA treatment presented with stable MAP and HR. Conclusions Drugs combined with EA maintained the stability of MAP and HR in patients with chronic HFrEF.
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Affiliation(s)
- Dwi Surya Supriyana
- Department of Medical Acupunture, Medical Acupuncture Physician, Faculty of Medicine, Universitas Sebelas Maret, Surakarta/Medical Acupuncture Division, Universitas Sebelas Maret Teaching Hospital, Surakarta, Indonesia
| | - Arsita Eka Prasetyawati
- Master of Public Health, Family Medicine Physician, Department of Public Health, Faculty of Medicine, Universitas Sebelas Maret, Surakarta, Indonesia
| | - Habibie Arifianto
- Cardiovascular Imaging Consultant, Heart Failure Physician, Sebelas Maret Heart Failure Clinic, Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Sebelas Maret/Universitas Sebelas Maret Teaching Hospital, Surakarta, Indonesia
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Wang J, Zhang Q, Yao L, He T, Chen X, Su Y, Sun S, Fan M, Yan J, Wang T, Zhang M, Guo F, Mo S, Lu M, Zou M, Li L, Yuan Q, Pan H, Chen Y. Modulating activity of PVN neurons prevents atrial fibrillation induced circulation dysfunction by electroacupuncture at BL15. Chin Med 2023; 18:135. [PMID: 37848944 PMCID: PMC10580609 DOI: 10.1186/s13020-023-00841-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 09/20/2023] [Indexed: 10/19/2023] Open
Abstract
BACKGROUND Circulation dysfunction is a major contributing factor to thrombosis in patients with atrial fibrillation (AF) for which effective interventions are lacking. Growing evidence indicates that regulating the paraventricular nucleus (PVN), an autonomic control center, could offer a novel strategy for treating cardiovascular and circulatory diseases. Concurrently, electroacupuncture (EA) at Xinshu (BL15), a form of peripheral nerve stimulation, has shown efficacy in treating several cardiovascular conditions, although its specific mechanism remains unclear. This study aimed to assess the impact of EA at BL15 on circulatory dysfunction in a rat AF model and investigate the pivotal role of PVN neuronal activity. METHODS To mimic the onset of AF, male SD rats received tail intravenous injection of ACh-CaCl2 and were then subjected to EA at BL15, sham EA, or EA at Shenshu (BL23). Macro- and micro-circulation function were evaluated using in vivo ultrasound imaging and laser doppler testing, respectively. Vasomotricity was assessed by measuring dimension changes during vascular relaxation and contraction. Vascular endothelial function was measured using myograph, and the activation of the autonomic nerve system was evaluated through nerve activity signals. Additionally, chemogenetic manipulation was used to block PVN neuronal activation to further elucidate the role of PVN activation in the prevention of AF-induced blood circulation dysfunction through EA treatment. RESULTS Our data demonstrate that EA at BL15, but not BL23 or sham EA, effectively prevented AF-induced macro- and micro-circulation dysfunction. Furthermore, EA at BL15 restored AF-induced vasomotricity impairment. Additionally, EA treatment prevented abnormal activation of the autonomic nerve system induced by AF, although it did not address vascular endothelial dysfunction. Importantly, excessive activation of PVN neurons negated the protective effects of EA treatment on AF-induced circulation dysfunction in rats. CONCLUSION These results indicate that EA treatment at BL15 modulates PVN neuronal activity and provides protection against AF-induced circulatory dysfunction.
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Affiliation(s)
- Jingya Wang
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Qiumei Zhang
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
- Institute of Physical and Health, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
- Guangdong Chaozhou Health Vocational College, Chaozhou, 521000, People's Republic of China
| | - Lin Yao
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Teng He
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
| | - Xinyi Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Yang Su
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Shengxuan Sun
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Mengyue Fan
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
| | - Jinglan Yan
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
| | - Taiyi Wang
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
| | - Meng Zhang
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
| | - Feng Guo
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China
| | - Shiqing Mo
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Manqi Lu
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Meixia Zou
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Liangjie Li
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Qing Yuan
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China
| | - Huashan Pan
- Institute of Physical and Health, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China.
- Guangdong Chaozhou Health Vocational College, Chaozhou, 521000, People's Republic of China.
| | - Yongjun Chen
- Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People's Republic of China.
- South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, 510006, People's Republic of China.
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Identification of potential M2 macrophage-associated diagnostic biomarkers in coronary artery disease. Biosci Rep 2022; 42:231928. [PMID: 36222281 DOI: 10.1042/bsr20221394] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/29/2022] [Accepted: 10/06/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND M2 macrophages have been reported to be important in the progression of coronary artery disease (CAD). Thus, the present study aims at exploring the diagnostic value of M2 macrophage-associated genes in CAD. METHODS Transcriptome profile of CAD and control samples were downloaded from Gene Expression Omnibus database. The proportion of immune cells was analyzed using cell type identification by estimating relative subsets of RNA transcripts. Weighted Gene Co-expression Network Analysis (WGCNA) was carried out to screen the relevant module associated with M2 macrophages. Differential CAD and control samples of expressed genes (DEGs) were identified by the limma R package. Functional enrichment analysis by means of the clusterProfiler R package. Least absolute shrinkage and selection operator (LASSO) and random forest (RF) algorithms were carried out to select signature genes. Receiver operating curves (ROC) were plotted to evaluate the diagnostic value of selected signature genes. The expressions of potential diagnostic markers were validated by RT-qPCR. The ceRNA network of diagnostic biomarkers was constructed via miRwalk and Starbase database. CMap database was used to screen candidate drugs in the treatment of CAD by targeting diagnostic biomarkers. RESULTS A total of 166 M2 macrophage-associated genes were identified by WGCNA. By intersecting those genes with 879 DEGs, 53 M2 macrophage-associated DEGs were obtained in the present study. By LASSO, RF, and ROC analyses, C1orf105, CCL22, CRYGB, FRK, GAP43, REG1P, CALB1, and PTPN21 were identified as potential diagnostic biomarkers. RT-qPCR showed the consistent expression patterns of diagnostic biomarkers between GEO dataset and clinical samples. Perhexiline, alimemazine and mecamylamine were found to be potential drugs in the treatment of CAD. CONCLUSION We identified eight M2 macrophage-associated diagnostic biomarkers and candidate drugs for the CAD treatment.
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Li X, Yin Z, Ling F, Zheng Q, Li X, Qi W, Liang F. The application of acupuncture in cardiopathy: A bibliometric analysis based on Web of Science across ten recent years. Front Cardiovasc Med 2022; 9:920491. [PMID: 36148057 PMCID: PMC9485815 DOI: 10.3389/fcvm.2022.920491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 08/12/2022] [Indexed: 11/13/2022] Open
Abstract
Background With high morbidity and mortality, cardiopathy is a major component of cardiovascular disease, causing a huge burden of disease to public health worldwide. In recent years, research on acupuncture treatment of cardiopathies has been increasing. However, no bibliometric analysis has been conducted to systematically describe the research progress and hotspots in this field. Therefore, this study aimed to conduct a bibliometric analysis of the relevant literature to explore the current status and future development of acupuncture for cardiopathies. Methods The Web of Science (WoS) Core Collection Database was searched for literature related to acupuncture therapies for cardiopathies from 2011 to 2021. Using CiteSpace 5.8 R3, cooperation network diagrams of authors, institutions, countries and journals, keyword co-occurrences, and clustering were performed and analyzed. Results A total of 321 studies were included. Overall, the number of annual publications increased yearly. These publications came from 31 countries or regions, of which China and the United States made the greatest contributions. In total, 333 authors from 258 institutions participated in this field, and Beijing University of Chinese Medicine and Professor Fanrong Liang were the most published institution and author, respectively. Evidence-based Complementary and Alternative Medicine published the largest number of articles, and CIRCULATION was the most commonly cited journal. Based on co-occurrences and cluster analysis of 257 keywords, three research frontiers and hotspots were identified: acupuncture for blood pressure regulation, acupuncture for coronary heart disease, and acupuncture for regulation of heart rate. In these three research frontiers, the rostral ventrolateral medulla (RVLM) and autonomic nervous system (ANS) are the most popular mechanisms. Conclusion A stable development trend has formed in this field. Further research should focus on the role of acupuncture therapies in the treatment of hypertension or hypertensive heart disease, coronary heart disease, and arrhythmia based on the mechanisms related to the RVLM and ANS.
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Affiliation(s)
- Xiao Li
- School of Acu-Mox and Tuina/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Zihan Yin
- School of Acu-Mox and Tuina/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Acupuncture and Tuina School/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine/Clinical Research Center for Acupuncture and Moxibustion in Sichuan Province, Chengdu, Sichuan, China
| | - Fayang Ling
- School of Acu-Mox and Tuina/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Qianhua Zheng
- School of Acu-Mox and Tuina/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xiang Li
- School of Acu-Mox and Tuina/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- *Correspondence: Xiang Li,
| | - Wenchuan Qi
- School of Acu-Mox and Tuina/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Wenchuan Qi,
| | - Fanrong Liang
- School of Acu-Mox and Tuina/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Acupuncture and Tuina School/The Third Teaching Hospital, Chengdu University of Traditional Chinese Medicine/Clinical Research Center for Acupuncture and Moxibustion in Sichuan Province, Chengdu, Sichuan, China
- Fanrong Liang,
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SDF-1/CXCR4-Mediated Stem Cell Mobilization Involved in Cardioprotective Effects of Electroacupuncture on Mouse with Myocardial Infarction. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:4455183. [PMID: 35982734 PMCID: PMC9381195 DOI: 10.1155/2022/4455183] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 06/19/2022] [Accepted: 06/28/2022] [Indexed: 02/07/2023]
Abstract
Stem cell-based therapeutic strategies have obtained a significant breakthrough in the treatment of cardiovascular diseases, particularly in myocardial infarction (MI). Nevertheless, limited retention and poor migration of stem cells are still problems for stem cell therapeutic development. Hence, there is an urgent need to develop new strategies that can mobilize stem cells to infarcted myocardial tissues effectively. Electroacupuncture (EA) intervention can improve cardiac function and alleviate myocardial injury after MI, but its molecular mechanism is still unclear. This study is aimed at observing the effects of EA treatment on the stem cell mobilization and revealing possible mechanisms in the MI model of mice. EA treatment at Neiguan (PC6) and Xinshu (BL15) acupoints was conducted on the second day after the ligation surgery. Then, the number of stem cells in peripheral blood after EA in MI mice and their cardiac function, infarct size, and collagen deposition was observed. We found that the number of CD34-, CD117-, Sca-1-, and CD90-positive cells increased at 6 h and declined at 24 h after EA intervention in the blood of MI mice. The expression of CXC chemokine receptor-4 (CXCR4) protein was upregulated at 6 h after EA treatment, while the ratio of LC3B II/I or p-ERK/ERK showed a reverse trend. In addition, there was obvious difference in EF and FS between wild-type mice and CXCR4+/− mice. The infarct size, collagen deposition, and apoptosis of the injured myocardium in CXCR4+/− mice increased but could be ameliorated by EA. In a word, our study demonstrates that EA alleviates myocardial injury via stem cell mobilization which may be regulated by the SDF-1/CXCR4 axis.
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Electroacupuncture Improves Choroidal Blood Flow to Inhibit the Development of Lens-Induced Myopia in Guinea Pigs. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:3286583. [PMID: 35783515 PMCID: PMC9249499 DOI: 10.1155/2022/3286583] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 03/22/2022] [Accepted: 05/09/2022] [Indexed: 11/17/2022]
Abstract
Introduction. The purpose of this paper was to study the effect of electroacupuncture (EA) on choroidal blood flow (ChBF) in a guinea pig model of lens-induced myopia (LIM). Methods. Guinea pigs were randomly divided into 4 groups: normal control (NC) group, LIM group, LIM + electroacupuncture (LIM + EA) group, and LIM + sham acupoint (LIM + sham) group. Right eyes were covered with a −6D lens to induce myopia. Meanwhile, LIM + EA group and LIM + sham group were treated with EA at acupoints Hegu (LI4) and Taiyang (EX-HN5) and sham points. Refraction, axial length (AL), choroidal thickness (ChT), vessel density of choriocapillaris (CC) and choroidal layer, and scleral collagen fiber were measured. Besides, hypoxia-inducible factor-1α (HIF-1α), matrix metalloprotein-2 (MMP-2), and tissue inhibitor metalloprotease-2 (TIMP-2) expression in sclera were detected. Results. Refraction and AL were significantly decreased and ChT and vessel density of CC were significantly increased in LIM + EA group at 2 weeks and 4 weeks (all
) compared with LIM group. However, no significant difference of vessel density of choroidal layer was observed between LIM and LIM + EA group at 2 weeks and 4 weeks. Scleral collagen fibrils diameters were significantly increased in LIM + EA group at 4 weeks (
) compared with LIM group. At the end of experiment, the mRNA and protein expression of HIF-1α and MMP-2 were significantly decreased (all
) and those of TIMP-2 were increased in LIM + EA, compared with LIM. However, there were no significant differences between LIM and LIM + sham group. Conclusions. EA can improve the vessel density of choroid and then possibly improve scleral hypoxia, which may inhibit the growth of the AL in myopia guinea pig.
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