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Zhu WF, Wang YQ, Wu WT, Li Z, Liu LL, Guan ZY, Chen LH, Guan YM. [Modern research progress in external application of traditional Chinese medicine to acupoints]. Zhongguo Zhong Yao Za Zhi 2023; 48:579-587. [PMID: 36872220 DOI: 10.19540/j.cnki.cjcmm.20221017.601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Traditional Chinese medicine(TCM) has a long history and abundant experience in external therapy, which marks human wisdom. In the early history of human, people found that fumigation, coating, and sticking of some tree branches and herb stems can help alleviate scabies and remove parasites in productive labor, which indicates the emergence of external therapy. Pathogen usually enters the body through the surface, so external therapy can be used to treat the disease. External therapy is among the major characteristic of surgery of TCM. As one of the external therapies in TCM, external application to acupoints smooths the zang-fu organs through meridians and collaterals, thereby harmonizing yin and yang. This therapy emerged in the early society, formed the Spring and Autumn Period and the Warring States Period, improved in the Song and Ming dynasties, and matured in the Qing dynasty. With the efforts of experts in history, it has had a mature theory. According to modern research, it can avoid the first-pass effect of liver and the gastrointestinal irritation and improve the bioavailability of Chinese medicine. Based on the effect of Chinese medicine and the theory of meridian and collateral, it can stimulate the acupoints, exert regulatory effect on acupoints, and give full play to the efficacy of TCM and the interaction of the two. Thereby, it can regulate qi and blood and balance yin and yang, thus being widely used in the treatment of diseases. In this paper, the use of external application to acupoints, the effect on skin immunity, the regulation of neuro-inflammatory mechanism, the relationship between acupoint application and human circulation network, and the development of its dosage form were summarized through literature review. On this basis, this study is expected to lay a foundation for further research.
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Affiliation(s)
- Wei-Feng Zhu
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Ya-Qi Wang
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Wen-Ting Wu
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Zhe Li
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Li-Li Liu
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Zhi-Yu Guan
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Li-Hua Chen
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Yong-Mei Guan
- Key Laboratory of Modern Chinese Medicine Preparations, Ministry of Education,Jiangxi University of Chinese Medicine Nanchang 330004, China
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Zhang JJ, Liu Y, Chen Y, Zhang XY, Dai HH, Zhang XC, Wan SQ, Guan ZY, Hu MZ, Shang HC. [Comparison and interpretation of Chinese, American, and European guidelines and consensus on self-management of heart failure patients]. Zhonghua Xin Xue Guan Bing Za Zhi 2022; 50:420-426. [PMID: 35399042 DOI: 10.3760/cma.j.cn112148-20210419-00353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- J J Zhang
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Y Liu
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Y Chen
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - X Y Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - H H Dai
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - X C Zhang
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - S Q Wan
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - Z Y Guan
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - M Z Hu
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
| | - H C Shang
- Ministry of Education and Beijing Key Laboratory of Internal Medicine of Chinese Medicine, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
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Dai H, Li HS, Zhang JJ, Chen Y, Zhang XC, Hu MZ, Guan ZY, Liu Y, Shang HC. Molecular mechanism and therapeutic potential of YiQi FuMai injection in acute heart failure. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehab849.062] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Foundation. Main funding source(s): The National Science Foundation for Distinguished Young Scholars of China
Background
Acute heart failure (AHF) is a significant public health problem related to the high mortality and rehospitalization rate of patients. Although drug development is never interrupted, no single drug has been proven to play a decisive role in improving the survival of AHF patients. In China, multi-component traditional Chinese medicine has been widely used to treat AHF. As a Chinese herbal injection included in medical insurance, Yiqi Fumai Injection can reduce the level of NT-proBNP in AHF patients, improve heart function, and alleviate symptoms and signs related to heart failure. To further evaluate the therapeutic effect of Yiqi Fumai Injection on AHF, a multi-center, double-blind, randomized controlled trial that intends to recruit 1270 patients is being carried out in China. However, the mechanism of Yiqi Fumai Injection in the treatment of AHF has not been clarified. To further explore the underlying mechanism, we used systematic pharmacology methods to explore the potential molecular mechanisms of biologically active compounds.
Methods
We used the databases of HERB, the Encyclopedia of Traditional Chinese Medicine (ETCM), the Comparative Toxicogenomics Database (CTD), Online Mendelian Inheritance in Man (OMIM), and GeneCards to predict the active ingredients and potential targets of Yiqi Fumai Injection in the treatment of AHF. STRING was used for PPI network construction and analysis. Cytoscape was used to build a network between Chinese medicine, ingredients and targets. The DAVID, GO, and KEGG databases were used to predict the potential pathways of Yiqi Fumai Injection for the treatment of AHF.
Results
We obtained 31 active compounds of Yiqi Fumai Injection from HERB and ECTM databases. By overlapping targets between YQFMI and AHF, a total of 240 potential targets for Yiqi Fumai Injection to treat AHF were selected. According to the H-C-T network topology analysis, the core compounds include beta-sitosterol, Uridine, Guanosine, and Stigmasterol. Sixteen protein targets had significantly higher node degrees than the average in the PPI network, including AKT1, JUN, TNF, EDN1, CASP3, ESR1, DLG4, PTGS2, NOS3, IL1B, C3, AR, LEP, CNR1, CHRM2, and DRD2. The PPI results showed that the potential therapeutic targets of YQFMI were densely enriched in pathways related to endothelial function, neuromodulation, and lipid metabolism.The same results were shown in GO and KEGG pathway enrichment.
Conclusion
Our results indicate that Yiqi Fumai Injection may achieve the goal of improving AHF-related symptoms by regulating the function of vascular endothelium and nerves and the biosynthetic pathway of lipid metabolism. These findings support previous studies and provide a reference for studying the mechanism of Yiqi Fumai Injection in the treatment of AHF. Abstract Figure.
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Affiliation(s)
- H Dai
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - H S Li
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - J J Zhang
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Y Chen
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - X C Zhang
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - M Z Hu
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Z Y Guan
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - Y Liu
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
| | - H C Shang
- Dongzhimen Hospital Affiliated to Beijing University of Chinese Medicine, Beijing, China
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Xu PF, Zhang R, Guan ZY, Li SH, Zhou DY, Jiang S, Fan JH, Xu P, Zhu WF. [Preparation and intestinal absorption of Panax notoginseng saponins chitosan nanoparticles]. Zhongguo Zhong Yao Za Zhi 2022; 47:95-102. [PMID: 35178915 DOI: 10.19540/j.cnki.cjcmm.20210412.302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this experiment, Panax notoginseng saponins chitosan nanoparticles(PNS-NPs) were prepared by self-assembly and their appearance, particle size, encapsulation efficiency, drug loading, polydispersity index(PDI), Zeta potential, and microstructure were characterized. The prepared PNS-NPs were intact in structure, with an average particle size of(209±0.258) nm, encapsulation efficiency of 42.34%±0.28%, a drug loading of 37.63%±0.85%, and a Zeta potential of(39.8±3.122) mV. The intestinal absorption of PNS-NPs in rats was further studied. The established HPLC method of PNS was employed to investigate the effects of pH, perfusion rate, and different drugs(PNS raw materials, Xuesaitong Capsules, and PNS-NPs). The absorption rate constant(K_a) and apparent permeability coefficient(P_(app)) in the duodenum, jejunum, ileum, and colon were calculated and analyzed. As illustrated by the results, the intestinal absorption of PNS-NPs was increased in the perfusion solution at pH 6.8(P<0.05), and perfusion rate had no significant effect on the K_a and P_(app) of PNS-NPs. The intestinal absorption of PNS-NPs was significantly different from that of PNS raw materials and Xuesaitong Capsules(P<0.05), and the intestinal absorption of PNS-NPs was significantly improved.
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Affiliation(s)
- Peng-Fei Xu
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Rui Zhang
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Zhi-Yu Guan
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Si-Hui Li
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Dong-Yan Zhou
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Sheng Jiang
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Jin-Hui Fan
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Peng Xu
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
| | - Wei-Feng Zhu
- School of Pharmacy, Jiangxi University of Chinese Medicine Nanchang 330004, China
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Meng FJ, Guo F, Sun ZN, Wang SJ, Yang CR, Wang CY, Zhang WC, Gao ZY, Ji LL, Feng FK, Guan ZY, Wang GS. Downregulation of DNMT3a expression by RNAi and its effect on NF-κBs expression of thymic epithelial cells. Immunol Lett 2021; 237:17-26. [PMID: 34192561 DOI: 10.1016/j.imlet.2021.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 06/11/2021] [Accepted: 06/23/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To understand the characteristics of DNA methyltransferase 3a (DNMT3a) in thymoma associated Myasthenia Gravis reveal its transcriptional regulator network as while as analyze the effect of DNMT3a on Rel/ nuclear factor-kappaB family (RelA/RelB) and its downstream autoimmune regulatory factor (Aire). METHODS Tissues of 30 patients with thymoma, with or without myasthenia gravis (MG), were collected and the DNMT3a protein expression were evaluated through immunohistochemistry. We performed mRNA expression profiling microarray detection and analysis, and integrated the analysis by constructing protein-protein interaction networks and the integration with other database. We identified molecular difference between low and high DNMT3a in the thymoma by heatmap. We also performed PCR validation in thymoma tissues. The DNMT3a-shRNA plasmid was transfected into TEC cells, and these cells were treated with 5-aza-2-deoxycytidine, a blocker of DNMT3a. After the down-regulation of DNMT3a in TEC cells, the transcript and protein levels of RelA, RelB, Aire, and CHRNA3 were evaluated by western blotting. In addition, changes in gene expression profiles were screened through microarray technology. We performed differential gene analysis in the thymoma cohort by heatmap with R (v.4.3.0) software. RESULTS In 30 matched tissue specimens, the expression of DNMT3a protein in thymoma with MG was lower than that in thymoma. Through mRNA expression profiling analysis, we constructed a co-expression network of DNMT3a and found direct interaction between IKZF1 and DNMT3a, and this co-expression relationship was overlappted with Cistrome DB database. We found up-regulation of 149 mRNAs and repression of 177 mRNAs in thymoma with MG compared with thymoma. Gene ontology and pathway analysis show the involvement of a multitude of genes in the mis-regulation of MG-related pathways. RNA interference significantly reduced the level of mRNA of DNMT3a, which proved that plasmid DNMT3a was effective. In comparison to the control group, the levels of DNMT3a, Aire, and CHRNA3 mRNA and protein in TEC cells transfected with DNMT3a-shRNA interference plasmid were significantly decreased, while the expression level of RelA and RelA/RelB was significantly increased. CONCLUSIONS Our study reveals the DNMT3a-NF-κB pathway has a major effect on MG, and can be used as a marker for diagnosis as well as a target for MG treatment.
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Affiliation(s)
- Fan-Jie Meng
- Baodi Clinical College of Tianjin Medical University, Tianjin Baodi Hospital, Tianjin 301800, China
| | - Feng Guo
- Department of Endoscopy, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, Tianjin 300060, China
| | - Zhao-Nan Sun
- Tianjin Medical University General Hospital, Tianjin 300052, China
| | | | - Chun-Rui Yang
- The Second Hospital of Tianjin Medical University, Tianjin 300211, China
| | - Chun-Yang Wang
- Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Wen-Cheng Zhang
- Baodi Clinical College of Tianjin Medical University, Tianjin Baodi Hospital, Tianjin 301800, China
| | - Zhou-Yong Gao
- Baodi Clinical College of Tianjin Medical University, Tianjin Baodi Hospital, Tianjin 301800, China
| | - Lin-Lin Ji
- Baodi Clinical College of Tianjin Medical University, Tianjin Baodi Hospital, Tianjin 301800, China
| | - Fu-Kai Feng
- Baodi Clinical College of Tianjin Medical University, Tianjin Baodi Hospital, Tianjin 301800, China
| | - Zhi-Yu Guan
- The Second Hospital of Tianjin Medical University, Tianjin 300211, China.
| | - Guang-Shun Wang
- Baodi Clinical College of Tianjin Medical University, Tianjin Baodi Hospital, Tianjin 301800, China.
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Guan ZY, Liu YB, Wang XW, Huang Q, Pei ZF, Chen XB. [Research progress on the diagnosis and management of atrial septal pouch]. Zhonghua Xin Xue Guan Bing Za Zhi 2021; 49:828-832. [PMID: 34404197 DOI: 10.3760/cma.j.cn112148-20210129-00105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Z Y Guan
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Y B Liu
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - X W Wang
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Q Huang
- Multidisciplinary Joint Outpatient Clinic for Cardiogenic Stroke, Xiangya Hospital, Central South University, Changsha 410008, China Department of Neurology, Xiangya Hospital, Central South University, Cerebrovascular Disease Clinical Research Center of Hunan Province, Changsha 410008, China
| | - Z F Pei
- Department of Cardiac Ultrasound, Xiangya Hospital, Central South University, Changsha 410008, China
| | - X B Chen
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha 410008, China Multidisciplinary Joint Outpatient Clinic for Cardiogenic Stroke, Xiangya Hospital, Central South University, Changsha 410008, China
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Wang S, Zhang J, Meng FJ, Yan YJ, Wang B, Guan ZY. Combination of pembrolizumab and 125I attenuates the aggressiveness of non-small cell lung cancer. Oncol Lett 2020; 19:4142-4150. [PMID: 32382353 DOI: 10.3892/ol.2020.11508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 11/14/2019] [Indexed: 11/06/2022] Open
Abstract
Non-small cell lung cancer (NSCLC) is the leading cause of cancer-associated mortality. Therapies targeting programmed cell death 1 ligand 1 (PD1L1) have promising effects on NSCLC. However, resistance to targeted therapy has become the main problem and the underling molecular mechanism remains unclear. In the present study, the expression of PD1L1 in NSCLC was determined and the association with clinicopathological characteristics was analyzed. A combination therapy was also constructed, including pembrolizumab (Pem) and iodine-125 (125I), which represented an efficient strategy for the treatment of NSCLC. The expression of PD1L1 was upregulated in NSCLC tissues and positively correlated with the Ki-67 index, pathological subtypes and risk stages. A higher level of PD1L1 expression was associated with poorer survival in patients with NSCLC, which could be used as a prognostic indicator. When NSCLC cells were cultured in the presence of Pem and 125I seeds, the combination treatment significantly abrogated the tumor proliferation and aggressiveness through the inhibition of matrix metalloproteinase-2 and -9 secretion. Flow cytometry analysis revealed pembrolizumab combined with 125I contributed to a higher rate of apoptosis and cell cycle arrest, indicating that the combination treatment improved the resistance to immunotherapy. Furthermore, the associated molecular mechanism was the dysregulation of ADAM metallopeptidase domain 17. The findings from the present study revealed that PD1L1 could be used as a predictive biomarker, and the application of combination treatment of pembrolizumab and 125I showed promising effects on NSCLC.
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Affiliation(s)
- Shuo Wang
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Jun Zhang
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Fan-Jie Meng
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Yi-Jie Yan
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Bin Wang
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Zhi-Yu Guan
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
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Yan J, Guan ZY, Zhu WF, Zhong LY, Qiu ZQ, Yue PF, Wu WT, Liu J, Huang X. Preparation of Puerarin Chitosan Oral Nanoparticles by Ionic Gelation Method and Its Related Kinetics. Pharmaceutics 2020; 12:pharmaceutics12030216. [PMID: 32131425 PMCID: PMC7150795 DOI: 10.3390/pharmaceutics12030216] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 02/07/2020] [Accepted: 02/23/2020] [Indexed: 12/19/2022] Open
Abstract
In this paper, as an active ingredient, puerarin chitosan nanoparticles (Pur-CS/TPP-NPs) are prepared by an ionic gelation method. The chitosan (CS) concentration, pH of the CS solution, sodium tripolyphosphate (TPP) concentration, stirring speed, stirring time, ultrasonic power, and dosage are used as single factors for investigation, and the encapsulation efficiency, drug loading capacity, particle size, and polydispersity index (PDI) are used as indicators for investigation. The optimal prescription is determined using the Box–Behnken effect surface design method. The characterization of the best formulation, which is determined via an in vitro release assay and liquid chromatography/tandem mass spectrometry (LC-MS/MS) analysis methods, is used here for pharmacokinetic studies. An in situ single-pass intestinal perfusion model is used to investigate drug absorption in the intestine. After characterization, the morphologies of the nanoparticles are intact. It can be seen from the in vitro release experiments that the equation fitted by the nanoparticles is the Higuchi model, the nanoparticle release process is very stable and without sudden release, indicating that the nanoparticles are well-released in vitro. The pharmacokinetic results and the in situ single-pass intestinal perfusion model study show that the bioavailability and absorption of Pur-CS/TPP-NPs were significantly higher than Pur. Thus, all the results show that the prepared nanoparticles can significantly improve the bioavailability of Pur, and we hope to lay the foundation for the development of new products of Pur.
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Affiliation(s)
| | - Zhi-Yu Guan
- Correspondence: (Z.-Y.G.); (W.-F.Z.); (L.-Y.Z.); Tel.: +86-(0791)-87118614 (Z.-Y.G.)
| | - Wei-Feng Zhu
- Correspondence: (Z.-Y.G.); (W.-F.Z.); (L.-Y.Z.); Tel.: +86-(0791)-87118614 (Z.-Y.G.)
| | - Ling-Yun Zhong
- Correspondence: (Z.-Y.G.); (W.-F.Z.); (L.-Y.Z.); Tel.: +86-(0791)-87118614 (Z.-Y.G.)
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Meng FJ, Wang S, Zhang J, Yan YJ, Wang CY, Yang CR, Guan ZY, Wang CL. Alteration in gene expression profiles of thymoma: Genetic differences and potential novel targets. Thorac Cancer 2019; 10:1129-1135. [PMID: 30932350 PMCID: PMC6500959 DOI: 10.1111/1759-7714.13053] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/04/2019] [Accepted: 03/05/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND This study was conducted to investigate the gene expression profiles associated with thymoma to better understand the molecular mechanism underlying the pathogenesis of thymoma. METHODS Eight patients with thymomas (type A, AB, B1, and B2) and four controls with thymic cysts were analyzed using microarray profiling to identify changes in gene expression. RESULTS Across all of our samples, 2319 messenger RNAs were upregulated and 2776 were downregulated in thymomas relative to thymic cysts. Gene ontology and pathway analyses revealed that a large number of genes participate in cellular functions, among which MHC class II protein complex assembly, assembly with peptide antigen, calcium activated phosphatidylcholine scrambling, and release of cytoplasmic sequestered NF-κB were dysregulated, whereas intestinal immune network for immunoglobulin A production, cytokine-cytokine receptor interaction, the calcium signaling pathway, and pathways related to autoimmune diseases were downregulated. CONCLUSIONS Our results revealed gene expression differences between thymomas and thymic cysts, and identified key candidate genes/pathways that might be used as diagnostic markers and potential therapeutic targets to treat cancer metastasis.
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Affiliation(s)
- Fan-Jie Meng
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Shuo Wang
- Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Jun Zhang
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Yi-Jie Yan
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Chun-Yang Wang
- Department of Neurology, Tianjin Medical University General Hospital, Tianjin, China
| | - Chun-Rui Yang
- Department of Pathology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Zhi-Yu Guan
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Chang-Li Wang
- Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China, Tianjin's Clinical Research Center for Cancer, Tianjin, China
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Yan WL, Lv JS, Guan ZY, Wang LY, Yang JK, Liang JX. Impact of target area selection in 125 Iodine seed brachytherapy on locoregional recurrence in patients with non-small cell lung cancer. Thorac Cancer 2017; 8:147-152. [PMID: 28217920 PMCID: PMC5415452 DOI: 10.1111/1759-7714.12415] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Revised: 12/24/2016] [Accepted: 12/27/2016] [Indexed: 11/29/2022] Open
Abstract
Background Computed tomography (CT)‐guided percutaneous implantation of 125Iodine radioactive seeds requires the precise arrangement of seeds by tumor shape. We tested whether selecting target areas, including subclinical areas around tumors, can influence locoregional recurrence in patients with non‐small cell lung cancer (NSCLC). Method We divided 82 patients with NSCLC into two groups. Target areas in group 1 (n = 40) were defined along tumor margins based on lung‐window CT. Target areas in group 2 (n = 42) were extended by 0.5 cm in all dimensions outside tumor margins. Preoperative plans for both groups were based on a treatment plan system, which guided 125I seed implantation. Six months later, patients underwent chest CT to evaluate treatment efficacy (per Response Evaluation Criteria in Solid Tumors version 1). We compared locoregional recurrences between the groups after a year of follow‐up. We then used the treatment plan system to extend target areas for group 1 patients by 0.5 cm (defined as group 3 data) and compared these hypothetical group 3 planned seeds with the actual seed numbers used in group 1 patients. Results All patients successfully underwent implantation; none died during the follow‐up period. Recurrence was significantly lower in group 2 than in group 1 (P < 0.05). Group 1 patients and group 3 data significantly differed in seed numbers (P < 0.01). Conclusion Our results imply that extending the implantation area for 125I seeds can decrease recurrence risk by eradicating cancerous lymph‐duct blockades within the extended areas.
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Affiliation(s)
- Wei-Liang Yan
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Jin-Shuang Lv
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Zhi-Yu Guan
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Li-Yang Wang
- Faculty of Medicine, University of Southampton, Southampton, UK
| | - Jing-Kui Yang
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Ji-Xiang Liang
- Department of Thoracic Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
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Guan ZY, Zhang LH, Chen LH, Zhu WF, Liu HN. [Rat intestinal absorption trait of peimine and peiminine in Thunberg fritillary bulb extract]. Yao Xue Xue Bao 2013; 48:1836-1843. [PMID: 24689243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
To study the in situ intestinal absorption kinetics and compatibility influence of peimine and peiminine in rats, the absorption of peimine and peiminine in small intestine (duodenum, jejunum and ileum) and colon of rats was investigated using in situ single-pass perfusion method and the drug content was measured by HPLC-ELSD. Perfusion rate, pH, concentration of drug, gender and bile duct ligation can significantly affect the absorption of peimine and peiminine, the Ka, and Papp values in the condition of pH 6.8 and pH 7.4 had significant difference (P<0.01), as drug concentration irlcreased, the absorption parameters of peimine and peiminine decreased, Ka and Papp between low concentrations and middle concentrations was significant difference (P<0.01). Verapamil can not affect Ka and Papp of peimine and peiminine which are in the extract (P> 0.05). Bitter almonds and licorice can significantly reduce the absorption of peimine and peiminine with the usual dose (P<0.01), extracted separately and together had no significant difference on Ka and Papp (P> 0.05). Experimental results show that the absorption features of peimine and peiminine are basically the same, both of them could be absorbed at all segments of the intestine in rats and had no special absorption window, and with significant differences between male and female individuals. The absorption of peimine and peiminine complies with the active transport and facilitated diffusion in the general intestinal segments. Bitter almond and licorice can reduce the intestinal absorption rate ofpeimine and peiminine.
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Ji R, Cui W, Liang RW, Guan ZY, Li RF. [Protective effect of radix sophorae flavescentis mixture on intestinal mucosa in mice infected with Cryptosporidium parvum]. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2013; 31:275-279. [PMID: 24812877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVE To investigate the protective effect of radix sophorae flavescentis (RSF) mixture on intestinal mucosa in mice infected with Cryptosporidium parvum. METHODS Thirty BALB/c male mice were randomly divided into control group, infection group and RSF mixture treatment group. Mice of the posterior two groups were inoculated intragastrically with 1 x 10(5) C. parvum oocysts, immunosuppressed with dexamethasone (5 microg/ml) and gentamycin sulfate (40 microg/ml) in drinking water. At the 8th day post-infection, mice in RSF mixture treatment group were treated with 0.2 ml dose of RSF mixture twice a week (three-day intervals) for three weeks. The mice in infection group and RSF mixture treatment group were monitored for oocyst shedding in fecal pellets every two days after treatment. At 28 days after infection, experimental mice were sacrificed, jejunal tissue was removed for preparation of paraffin-embedded sections. The changes of CD3+, CD4+, CD8+ T lymphocytes and IgA plasmocytes in intestinal mucosa were determined by immunohistochemistry. In addition, jejunum of infected mice and treated mice were collected, and ultrastructural changes were observed under electron microscopy. RESULTS Compared with infection group, the level of oocyst shedding was obviously lower and the time of the oocyst discharging was significantly shorter in RSF mixture treatment group. The proportion of CD3+, CD4+ T lymphocyte and CD4+/CD8+ T cell ratio in infection group (49.7% +/- 2.4%, 25.7% +/- 2.2%, 1.1 +/- 0.3) were significantly lower than that of treatment group (62.4% +/- 1.4%, 37.5% +/- 3.1%, 1.5 +/- 0.3) and control group (66.5% +/- 1.9%, 40.1% +/- 1.8%, 1.5 +/- 0.2) (P < 0.01). CD8+ T lymphocytes showed no significant difference in each group (P > 0.05). The number of IgA plasmocytes in treatment group (52.7 +/- 3.5) was significantly higher than that of control group (8.3 +/- 2.3) and infection group (33.7 +/- 2.6) (P < 0.01). After administration for three weeks, the damaged C. parvum parasites were seldom seen in mouse jejunum, and lysosomes appeared in large number, RSF mixture treatment improved mitochondrial structure and repaired microvilli. In infection group, mitochondria ridges were significantly broken and microvilli surrounding C. parvum oocysts were shed, resulting in the appearance of crater-like lesions on the surface, the oocyst wall and host cell membrane fused together. CONCLUSION RSF mixture is effective against Cryptosporidium parvum. The damage of intestinal mucosa in infected mice can be repaired after treatment.
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Abstract
Background Gastric carcinoma development is a multi-stage process that involves more than one gene. Aberrant changes in DNA methylation are considered as the third mechanism that leads to anti-oncogene inactivation, which plays an essential role in tumor development. In this study, we assessed the relationship among the aberrant methylation of the promoter CpG islands of tissue inhibitor of metalloproteinase 3 (TIMP3) gene, its protein expression, and the clinicopathological features of gastric adenocarcinoma. Methods The methylation status of the promoter CpG islands and the protein expression of TIMP3 gene in tumors and adjacent normal mucosal tissues of 78 patients with gastric adenocarcinoma were detected by methylation-specific PCR (MSP) and immunohistochemistry. Results The CpG island methylation of TIMP3 was detected in tumor tissues, cancer-adjacent tissues, and lymph nodes with metastasis. In increasing order, the hypermethylation frequency of these tissues were 35.9% (28 of 78 non-neoplastic tissues), 85% (17 of 20 early-stage cases), 89.7% (52 of 58 progressive-stage cases), and 100% (78 of 78 metastatic lymph node). A marked difference was found between tumors and non-neoplastic tissues (P < 0.05), but no difference existed among the subgroups of tumors (P > 0.05). Immunohistochemistry analysis confirmed TIMP3 down-regulation in tumor tissues. The rate of TIMP3 gene expression was 100% in non-neoplastic tissues but apparently decreased to various extents at different stages, i.e., decreased to 30% (6/20) at the early stage, to 3.4% (2/58) at the progressive stage, and to 0% (0/78) in metastatic lymph nodes. Among the 70 tumor tissues with negative TIMP3 expression, 64 (91.4%) were hypermethylated and 6 were unmethylated (8.6%), indicating a significant association between hypermethylation and reduced or negative TIMP3 expression (P < 0.01). Conclusion The hypermethylation of the promoter region in CpG islands is the main mechanism of TIMP3 gene expression and may provide evidence for the molecular diagnosis and stage evaluation of gastric cancer. Virtual slides The virtual slides for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1756134016954958
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Affiliation(s)
- ZhiYu Guan
- Department of Cardiovascular and Thoracic Surgery, TianJin Medical University General Hospital, 154 AnShan Road, HePing Section, TianJin 300052, China.
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Ji R, Cui W, Liang RW, Guan ZY, Li RF. [Effect of radix sophorae flavescentis (RSF) mixture on mast cells in jejunal mucosa of mice infected by Cryptosporidium]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2013; 25:280-283. [PMID: 24024449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
OBJECTIVE To elucidate the role of mast cells (MC) activation in the jejunal mucous membrane in the pathogenesis of cryptosporidiosis (CPS) and explore the mechanism of prevention and treatment of radix sophorae flavescetis(RSF) mixture on CPS. METHODS A total of 30 healthy male BALB/c mice were randomly divided into a normal control group, CPS model control group and RSF mixture experimental group. The mice of CPS model were inoculated intragastrically with 1 x 10(5) Cryptosporidium oocyst (CSO). The mice in the RSF mixture experimental group were treated with inoculation of RSF mixture (0.2 ml doses) twice one week for three weeks continuously after CPS models were established. Pathological changes of the jejunal mucosa membrane were observed by a light microscope. The MCs were stained by toluidine blue, the number of mast cells was recorded and the changes of degranulation were observed. RESULTS The HE staining showed inflammatory pathological changes in the jejunal mucosa membrane of the CPS model control group. After three-week treatment of RSF mixture, the small intestine epithelium was integrated on the whole. The toluidine blue stain showed the number of mast cell in submucosa and muscular layer of the jejunal mucous membrane increased significantly in the model control group (12.80 +/- 0.84) compared with those of the normal control group (1.60 +/- 0.89) (P < 0.01) and an obvious degranulation was seen in the CPS model control group. The number of mast cells of the mice in the RSF mixture experimental group decreased significantly (P < 0.01) and the number (2.00 +/- 0.71) and morphous were closed to the normal after administration for three weeks. CONCLUSIONS MC activation is involved in the intestinal inflammatory response caused by Cryptosporidium. RSF mixture could decline the number of MC, inhibit the activation and degranulation of MC in the jejunal mucosa membrane of CPS mice to reduce inflammation and repair the damaged intestinal mucosa, which may realize the purpose of treatment of CPS.
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Affiliation(s)
- Rui Ji
- Department of Pathogenic Biology, Weifang Medical College, Shandong Province, Weifang 261053, China
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Sun XN, Liu ZJ, Guan ZY, Liang RW, Zhang HY, Wu XY, Yu L, Guan YJ. [Effect of Toxoplasma gondii infection on the embryonic neural stem cells in rats]. Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi 2012; 30:253-257. [PMID: 23072151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
OBJECTIVE To investigate the effect of Toxoplasma gondii infection on the proliferation, differentiation and migration of the embryonic neural stem cells (NSCs) in early pregnancy of rat. METHODS Twelve pregnant Sprague-Dawley rats were randomly divided into control and infection groups. Rats in the infection group were each inoculated intraperitoneally with 1 x 10(5) T. gondii RH strain tachyzoites at day 1 (E1 day). Same amount of physiological saline was intraperitoneally injected for rats in control group. At E5 day, blood samples were taken from caudal vein and Giemsa staining of blood cells was performed to find T. gondii. At E9, E10 and E11 day, two rats in each group per time point were sacrificed and reverse transcription PCR (RT-PCR) was performed to detect B1 gene expression of T. gondii in amniotic fluid to confirm T. gondii infection. NSCs were cultured in vitro. The proliferation level was detected by methyl thiazolyl tetrazolium (MTT) assay. After differentiation culture of NSCs, the immunofluorescence assay was conducted to detect the expression of nestin, microtubule-associated protein 2 (MAP2) and glial fibrillary acidic protein (GFAP) to calculate the ratio of NSCs which differentiated to neurons and astrocytes. The embryonic nerve tissues at E9, E10 and E11 day in each group were taken to make frozen sections. The immunofluorescence assay was carried out to detect the expression of neuronal cell adhesion molecule (NCAM) in the nerve tissues at different developmental stages. RESULTS Both the results of blood smears and RT-PCR confirmed that the pregnant rats and embryos were all infected by T. gondii in infection group. The morphology of the cultured NSCs under microscope was consistent with the characteristics of the normal NSCs. In addition, the NSC biomarker nestin protein was stained positive. The MTT assay showed that the proliferation level was lower in infection group than that of the control, and statistical differences were found between the two groups at day 3 and 4 after passages (P < 0.05). The immunofluorescence staining of MAP2 and GFAP showed that the percentage of neuron differentiation was 15.15% (55/363) in control group and 8.73% (31/355) in infection group, respectively, with a statistical difference (P < 0.05), and the percentage of astrocyte differentiation was 53.35% (199/374) and 67.48% 249/369), respectively (P > 0.05). In both groups, NCAM protein was found expressed at E9, E10 and E11 day in embryo nerve tissues. The fluorescence became stronger with time. The expression level in control group was significantly higher than that in infection group (P < 0.01). CONCLUSION T. gondii infection at early gestation may inhibit the proliferation, differentiation and migration of neural stem cells in rats.
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Affiliation(s)
- Xiu-Ning Sun
- Department of Parasitology, Weifang Medical College, Weifang 261053, China
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Guan ZY, Pu CH, Zhao KJ. [Study on preparation of beta-cyclodextrin inclusion compound for borneolumsyntheticum from Huoxuezhitong capsules]. Zhong Yao Cai 2006; 29:66-71. [PMID: 16722324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
OBJECTIVE To study the optimum inclusion process of clolloid mill for borneolumsyntheticum from Huoxuezhitong Capsules. METHODS The study was carried out with orthogonal design. The borneol content in inclusion complex, the utilization ratio of borneol, and synthesis grading were used as evaluating indicator to review the effects of 3 factors, including the proportion of borneolumsyntheticum to beta-cyclodextrin (mol: mol), milling time and water addition. RESULTS The optimum process were borneolumsyntheticum: beta-cyclodextrin was 1:1, the milling time was 40 min, water addition was double. CONCLUSION The optimum process is feasible, and fit for industrial production, with the advantage of high utilization ratio, shot time and low energy consumption.
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Affiliation(s)
- Zhi-Yu Guan
- Nanjing ZhongShan Pharmaceutical Factory Technology Center, Nanjing 210012, China
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Yang YM, Guan ZY, Yang YC. A new method of measuring blood pressure excluding Korotkoff sounds 4 and 5 in the dialysis unit. Blood Purif 1999; 16:349-50. [PMID: 10343082 DOI: 10.1159/000014356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Guan ZY. [Significance of determination of serum and urinary hydroxyproline in healthy subjects and patients with hyperplastic scars]. Zhonghua Zheng Xing Shao Shang Wai Ke Za Zhi 1991; 7:174-6. [PMID: 1782581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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