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Yao L, Fang J, Zhao J, Yu J, Zhang X, Chen W, Han L, Peng D, Chen Y. Dendrobium huoshanense in the treatment of ulcerative colitis: Network pharmacology and experimental validation. JOURNAL OF ETHNOPHARMACOLOGY 2024; 323:117729. [PMID: 38190953 DOI: 10.1016/j.jep.2024.117729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/31/2023] [Accepted: 01/05/2024] [Indexed: 01/10/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Dendrobium huoshanense C. Z. Tang et S. J. Cheng (DH) is a traditional medicinal herb with a long history of medicinal use. DH has been recorded as protecting the gastrointestinal function. Modern pharmacology research shows that DH regulates intestinal flora, intestinal mucosal immunity, gastrointestinal peristalsis and secretion of digestive juices. At the same time, some studies have shown that DH has a good therapeutic effect on ulcerative colitis, but its mechanism of action has not been fully elucidated. AIMS OF THIS STUDY To investigate the mechanism and effect of Dendrobium huoshanense C. Z. Tang et S. J. Cheng (DH) in the treatment of ulcerative colitis (UC) by combining network pharmacology and in vivo experimental validation. METHODS A network pharmacology approach was used to perform component screening, target prediction, PPI network interaction analysis, GO and KEGG enrichment analysis to initially predict the mechanism of DH treatment for UC. Then, the mechanism was validated with the UC mouse model induced by 3% DSS. RESULTS Based on the network pharmacological analysis, a comprehensive of 101 active components were identified, with 19 of them potentially serving as the crucial elements in DH's effectiveness against UC treatment. Additionally, the study revealed 314 potential core therapeutic targets along with the top 5 key targets: SRC, STAT3, AKT1, HSP90AA1, and PIK3CA. In experiments conducted on live mice with UC, DH was found to decrease the levels of IL-6 and TNF-α in the blood, while increasing the levels of IL-10 and TGF-β. This led to notable improvements in colon length, injury severity, and an up-regulation of SRC, STAT3, HSP90AA1, PIK3CA, p-AKT1 and PI3K/AKT signaling pathway expression in the colon tissue. CONCLUSIONS In this study, the active components and main targets of DH for UC treatment were initially forecasted, and the potential mechanism was investigated through network pharmacology. These findings offer an experimental foundation for the clinical utilization of DH.
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Affiliation(s)
- Liang Yao
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China; MOE-Anhui Joint Collaborative Innovation Center for Quality Improvement of Anhui Genuine Chinese Medicinal Materials, Hefei, 230012, Anhui, China.
| | - Jing Fang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China.
| | - Junwei Zhao
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China.
| | - Jiao Yu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China.
| | - Xiaoqian Zhang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China.
| | - Weidong Chen
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China; MOE-Anhui Joint Collaborative Innovation Center for Quality Improvement of Anhui Genuine Chinese Medicinal Materials, Hefei, 230012, Anhui, China; Key Laboratory of Modern Traditional Chinese Medicines of Anhui Higher Education Institutes, Anhui University of Chinese Medicine, Hefei, 230038, Anhui, China.
| | - Lan Han
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China; MOE-Anhui Joint Collaborative Innovation Center for Quality Improvement of Anhui Genuine Chinese Medicinal Materials, Hefei, 230012, Anhui, China; Key Laboratory of Modern Traditional Chinese Medicines of Anhui Higher Education Institutes, Anhui University of Chinese Medicine, Hefei, 230038, Anhui, China.
| | - Daiyin Peng
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China; MOE-Anhui Joint Collaborative Innovation Center for Quality Improvement of Anhui Genuine Chinese Medicinal Materials, Hefei, 230012, Anhui, China; Xin'an Medicine, Key Laboratory of Chinese Ministry of Education, Anhui University of Chinese Medicine, Hefei, 230038, Anhui, China; Key Laboratory of Modern Traditional Chinese Medicines of Anhui Higher Education Institutes, Anhui University of Chinese Medicine, Hefei, 230038, Anhui, China.
| | - Yunna Chen
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei, 230012, Anhui, China.
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Jain NK, Tailang M, Chandrasekaran B, Khazaleh N, Thangavel N, Makeen HA, Albratty M, Najmi A, Alhazmi HA, Zoghebi K, Alagusundaram M, Jain HK. Integrating network pharmacology with molecular docking to rationalize the ethnomedicinal use of Alchornea laxiflora (Benth.) Pax & K. Hoffm. for efficient treatment of depression. Front Pharmacol 2024; 15:1290398. [PMID: 38505421 PMCID: PMC10949534 DOI: 10.3389/fphar.2024.1290398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 02/12/2024] [Indexed: 03/21/2024] Open
Abstract
Background: Alchornea laxiflora (Benth.) Pax & K. Hoffm. (A. laxiflora) has been indicated in traditional medicine to treat depression. However, scientific rationalization is still lacking. Hence, this study aimed to investigate the antidepressant potential of A. laxiflora using network pharmacology and molecular docking analysis. Materials and methods: The active compounds and potential targets of A. laxiflora and depression-related targets were retrieved from public databases, such as PubMed, PubChem, DisGeNET, GeneCards, OMIM, SwissTargetprediction, BindingDB, STRING, and DAVID. Essential bioactive compounds, potential targets, and signaling pathways were predicted using in silico analysis, including BA-TAR, PPI, BA-TAR-PATH network construction, and GO and KEGG pathway enrichment analysis. Later on, with molecular docking analysis, the interaction of essential bioactive compounds of A. laxiflora and predicted core targets of depression were verified. Results: The network pharmacology approach identified 15 active compounds, a total of 219 compound-related targets, and 14,574 depression-related targets with 200 intersecting targets between them. SRC, EGFR, PIK3R1, AKT1, and MAPK1 were the core targets, whereas 3-acetyloleanolic acid and 3-acetylursolic acid were the most active compounds of A. laxiflora with anti-depressant potential. GO functional enrichment analysis revealed 129 GO terms, including 82 biological processes, 14 cellular components, and 34 molecular function terms. KEGG pathway enrichment analysis yielded significantly enriched 108 signaling pathways. Out of them, PI3K-Akt and MAPK signaling pathways might have a key role in treating depression. Molecular docking analysis results exhibited that core targets of depression, such as SRC, EGFR, PIK3R1, AKT1, and MAPK1, bind stably with the analyzed bioactive compounds of A. laxiflora. Conclusion: The present study elucidates the bioactive compounds, potential targets, and pertinent mechanism of action of A. laxiflora in treating depression. A. laxiflora might exert an antidepressant effect by regulating PI3K-Akt and MAPK signaling pathways. However, further investigations are required to validate.
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Affiliation(s)
- Nem Kumar Jain
- School of Pharmacy, ITM University, Gwalior, Madhya Pradesh, India
- School of Studies in Pharmaceutical Sciences, Jiwaji University, Gwalior, Madhya Pradesh, India
| | - Mukul Tailang
- School of Studies in Pharmaceutical Sciences, Jiwaji University, Gwalior, Madhya Pradesh, India
| | | | | | - Neelaveni Thangavel
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Hafiz A. Makeen
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Asim Najmi
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Hassan Ahmad Alhazmi
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Khalid Zoghebi
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - M. Alagusundaram
- School of Pharmacy, ITM University, Gwalior, Madhya Pradesh, India
| | - Hemant Kumar Jain
- Department of General Medicine, Government Medical College, Datia, Madhya Pradesh, India
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Zhou E, Shen Q, Hou Y. Integrating artificial intelligence into the modernization of traditional Chinese medicine industry: a review. Front Pharmacol 2024; 15:1181183. [PMID: 38464717 PMCID: PMC10921893 DOI: 10.3389/fphar.2024.1181183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 02/08/2024] [Indexed: 03/12/2024] Open
Abstract
Traditional Chinese medicine (TCM) is the practical experience and summary of the Chinese nation for thousands of years. It shows great potential in treating various chronic diseases, complex diseases and major infectious diseases, and has gradually attracted the attention of people all over the world. However, due to the complexity of prescription and action mechanism of TCM, the development of TCM industry is still in a relatively conservative stage. With the rise of artificial intelligence technology in various fields, many scholars began to apply artificial intelligence technology to traditional Chinese medicine industry and made remarkable progress. This paper comprehensively summarizes the important role of artificial intelligence in the development of traditional Chinese medicine industry from various aspects, including new drug discovery, data mining, quality standardization and industry technology of traditional Chinese medicine. The limitations of artificial intelligence in these applications are also emphasized, including the lack of pharmacological research, database quality problems and the challenges brought by human-computer interaction. Nevertheless, the development of artificial intelligence has brought new opportunities and innovations to the modernization of traditional Chinese medicine. Integrating artificial intelligence technology into the comprehensive application of Chinese medicine industry is expected to overcome the major problems faced by traditional Chinese medicine industry and further promote the modernization of the whole traditional Chinese medicine industry.
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Affiliation(s)
- E. Zhou
- Yuhu District Healthcare Security Administration, Xiangtan, China
| | - Qin Shen
- Department of Respiratory Medicine, Hunan Provincial People’s Hospital (The First Affiliated Hospital of Hunan Normal University), Changsha, China
| | - Yang Hou
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, China
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Yu C, Xie T, Liu H, Bai L. On-line extraction and determination of coumarins compounds from mouse plasma based on a homemade phenyl-hybrid monolithic adsorbent. J Pharm Biomed Anal 2024; 238:115851. [PMID: 37952450 DOI: 10.1016/j.jpba.2023.115851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/25/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
A phenyl-hybrid monolithic adsorbent was prepared using an organic monomer of ethylene glycol phenyl ether acrylate and inorganic monomers of tetramethoxysilane and vinyltrimethoxysilane, via polycondensation and polymerization in a stainless-steel column, which shows porous structure and multiple functional groups, according to the measurements of scanning electron microscopy, nitrogen adsorption-desorption method and infrared spectroscopy. The resulting hybrid phenyl-based monolith was used as a solid-phase extraction column, combining with an analytical column in conjunction with high-performance liquid chromatography system for the on-line extraction and determination of coumarins (praeruptorin A and praeruptorin B) in Peucedani Radix from mouse plasma. The homemade hybrid monolithic solid-phase extraction column exhibits good removal ability for the sample matrices, as well as unique selectivity for the two praeruptorins. Methodology validation results indicate that the present method is applicable for the on-line extraction and quantitative analysis of praeruptorin A and praeruptorin B in Peucedani Radix from mouse plasma with a limit of quantitation 0.06 μg/mL and a linear range 0.06-5 μg/mL (r>0.999), thus indicating the present method is a promising and alternative method for the quantitative determination of similar target components with micro or trace concentration from complex extract solution and plasma.
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Affiliation(s)
- Changqing Yu
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Hebei University, Baoding 071002, China
| | - Tiantian Xie
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Hebei University, Baoding 071002, China
| | - Haiyan Liu
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Hebei University, Baoding 071002, China
| | - Ligai Bai
- College of Pharmaceutical Sciences, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Hebei University, Baoding 071002, China.
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Li G, Chen D. Comparison of different extraction methods of active ingredients of Chinese medicine and natural products. J Sep Sci 2024; 47:e2300712. [PMID: 38234023 DOI: 10.1002/jssc.202300712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 01/19/2024]
Abstract
Like other traditional medicine in the world, Chinese traditional medicine (CTM) has a long history, which is a treasure of the combination of medicine and Chinese classical culture even more than 5000 years. For thousands of years, CTM has made great contributions to the reproduction and health of the Chinese people. It was an efficient therapeutic tool under the guidance of Chinese traditional medical theory, its source is generally natural products, but there are also a small number of it are natural products after some processing methods. In fact, the definition of Chinese medicine (CM) includes both traditional and new CM developed by modern technology. It is well known that the chemical composition of most CM and natural products is very complex, for example, a single herb may contain hundreds of different chemicals, including active ingredients, side effects, and even toxic ingredients. Therefore, the extraction process is particularly crucial for the quality and clinical efficacy of CM and natural products. In this work, a new classification method was proposed to divide the extraction technologies of CM and natural products into 21 kinds in recent years and analyze their status, advantages, and disadvantages. Then put forward a new technical route based on ultra-high-pressure extraction technology for rapid extraction else while removing harmful impurities and making higher utilization of CM and natural products. It is a useful exploration for the extraction industry of medicinal materials and natural products in the world.
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Affiliation(s)
- Geyuan Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Dongya Chen
- Institute of Toxicology and Risk Assessment, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing, China
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Santacroce L, Colella M, Charitos IA, Di Domenico M, Palmirotta R, Jirillo E. Microbial and Host Metabolites at the Backstage of Fever: Current Knowledge about the Co-Ordinate Action of Receptors and Molecules Underlying Pathophysiology and Clinical Implications. Metabolites 2023; 13:metabo13030461. [PMID: 36984901 PMCID: PMC10056708 DOI: 10.3390/metabo13030461] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Fever represents an elevation of body temperature, that exerts a protective effect against pathogens. Innate immune cells and neurons are implicated in the regulation of body temperature. Pathogen-associated molecular patterns, i.e., lipopolysaccharides from Gram-negative bacteria and peptidoglycan and lipoteichoic acid from Gram-positive bacteria are exogenous pyrogens, that bind to Toll-like receptors on immune and non-immune cells. The subsequent release of pro-inflammatory cytokines [interleukin-1 (IL-1), IL-6 and Tumor necrosis factor-alpha] and their passage through the brain trigger the febrile response. In fact, neurons of the pre-optic area produce prostaglandin E2 (PGE2), that, in turn, bind to the PGE2 receptors; thus, generating fever. Apart from classical non-steroidal anti-inflammatory drugs, i.e., aspirin and acetaminophen, various botanicals are currently used as antipyretic agents and, therefore, their mechanisms of action will be elucidated.
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Affiliation(s)
- Luigi Santacroce
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University of Bari 'Aldo Moro', 70124 Bari, Italy
| | - Marica Colella
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University of Bari 'Aldo Moro', 70124 Bari, Italy
| | - Ioannis Alexandros Charitos
- CEDICLO-Interdepartmental Research Center for Pre-Latin, Latin and Oriental Rights and Culture Studies, University of Bari, 70121 Bari, Italy
| | - Marina Di Domenico
- Department of Precision Medicine, University of Campania 'Luigi Vanvitelli', 80138 Naples, Italy
| | - Raffaele Palmirotta
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University of Bari 'Aldo Moro', 70124 Bari, Italy
| | - Emilio Jirillo
- Interdisciplinary Department of Medicine, Section of Microbiology and Virology, School of Medicine, University of Bari 'Aldo Moro', 70124 Bari, Italy
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Chen F, Wu S, Li D, Dong J, Huang X. Leaf Extract of Perilla frutescens (L.) Britt Promotes Adipocyte Browning via the p38 MAPK Pathway and PI3K-AKT Pathway. Nutrients 2023; 15:nu15061487. [PMID: 36986217 PMCID: PMC10054491 DOI: 10.3390/nu15061487] [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: 02/18/2023] [Revised: 03/13/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
The leaf of Perilla frutescens (L.) Britt (PF) has been reported to negatively affect adipocyte formation, inhibit body-fat formation, and lower body weight. However, its effect on adipocyte browning remains unknown. Thus, the mechanism of PF in promoting adipocyte browning was investigated. The ingredients of PF were acquired from the online database and filtered with oral bioavailability and drug-likeness criteria. The browning-related target genes were obtained from the Gene Card database. A Venn diagram was employed to obtain the overlapped genes that may play a part in PF promoting adipocyte browning, and an enrichment was analysis conducted based on these overlapped genes. A total of 17 active ingredients of PF were filtered, which may regulate intracellular receptor-signaling pathways, the activation of protein kinase activity, and other pathways through 56 targets. In vitro validation showed that PF promotes mitochondrial biogenesis and upregulates brite adipocyte-related gene expression. The browning effect of PF can be mediated by the p38 MAPK pathway as well as PI3K-AKT pathway. The study revealed that PF could promote adipocyte browning through multitargets and multipathways. An in vitro study validated that the browning effect of PF can be mediated by both the P38 MAPK pathway and the PI3K-AKT pathway.
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Affiliation(s)
- Fancheng Chen
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
- Department of Orthopaedics & Rehabilitation, School of Medicine, Yale University, New Haven, CT 06510, USA
| | - Silin Wu
- Department of Neurosurgery, McGovern School of Medicine, University of Texas Health Science Center, Houston, TX 77030, USA
| | - Dejian Li
- Department of Orthopedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 200120, China
| | - Jian Dong
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Xiaowei Huang
- Facutly of Medicine, Eberhard Karls University of Tübingen, 72076 Tübingen, Germany
- Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
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Li C, Li B, Liu H, Qu L, Wang H. Mechanism of Chaihu Longgu oyster adjusted decoction for the treatment of depression based on network pharmacology and molecular docking technology. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:172. [PMID: 36923088 PMCID: PMC10009556 DOI: 10.21037/atm-23-236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 02/14/2023] [Indexed: 02/24/2023]
Abstract
Background Depression is a common clinical psychiatric disorder that is responsible for health-related disease burdens globally. According to traditional Chinese medicine (TCM), mental disorders and qi stagnation are important pathogenic mechanisms of depression. The Chaihu Longgu Oyster Decoction, which has been documented in the Shanghanlun (Treatise on Typhoid), is widely used to treat various affective disorders. Methods Network pharmacology and molecular docking technology were used to investigate the material basis and mechanism of action of the Chaihu Longgu oyster adjusted decoction in treating depression. The main pharmacological substance bases, possible targets, and pathways of Chaihu Longgu oyster adjusted decoction in treating depression were visualized by constructing a "component-pathway-target" network. Results Quercetin, 7-methoxy-2-methylisoflavone, baicalein, kaempferol, and lignan are the main practical chemical components in Chaihu Longgu oyster adjusted decoction. The Chaihu Longgu oyster adjusted decoction regulates 74 protein targets and 142 pathways associated with depression. Its molecular mechanism involves inhibiting neuroinflammation and improving neurotransmitter function, neuroplasticity, etc. Conclusions The underlying mechanism of the anti-depressive effect of the Chaihu Longgu oyster adjusted decoction may involve neuroinflammatory response reduction and improvement of neurotransmitter function and neuroplasticity. This study revealed the mechanism of action of the Chaihu Longgu oyster adjusted decoction in the treatment of depression through network pharmacology, which provides a scientific basis for clinical application.
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Affiliation(s)
- Chunlin Li
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Bowen Li
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Hui Liu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Linglong Qu
- College of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Hui Wang
- Department of Acupuncture, Zaozhuang Traditional Chinese Medicine Hospital, Zaozhuang, China
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