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Liu H, Chen Z, Liu M, Li E, Shen J, Wang J, Liu W, Jin X. The Terminalia chebula Retz extract treats hyperuricemic nephropathy by inhibiting TLR4/MyD88/NF-κB axis. J Ethnopharmacol 2024; 322:117678. [PMID: 38159820 DOI: 10.1016/j.jep.2023.117678] [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] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 12/11/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Hyperuricemic nephropathy (HN) is a renal injury caused by hyperuricemia and is the main cause of chronic kidney disease and end-stage renal disease. ShiWeiHeZiSan, which is composed mainly of components of Terminalia chebula Retz. And is recorded in the Four Medical Tantras, is a typical traditional Tibetan medicinal formula for renal diseases. Although T. chebula has been reported to improve renal dysfunction and reduce renal cell apoptosis, the specific mechanism of the nephroprotective effects of T. chebula on HN is still unclear. AIM OF THE STUDY This study was conducted to evaluate the effects and specific mechanism of T. chebula extract on HN through network pharmacology and in vivo and in vitro experiments. MATERIALS AND METHODS Potassium oxalate (1.5 g/kg) and adenine (50 mg/kg) were combined for oral administration to establish the HN rat model, and the effects of T. chebula extract on rats in the HN model were evaluated by renal function indices and histopathological examinations. UPLC-Q-Exactive Orbitrap/MS analysis was also conducted to investigate the chemical components of T. chebula extract, and the potential therapeutic targets of T. chebula in HN were predicted by network pharmacology analysis. Moreover, the activation of potential pathways and the expression of related mRNAs and proteins were further observed in HN model rats and uric acid-treated HK-2 cells. RESULTS T. chebula treatment significantly decreased the serum uric acid (SUA), blood urea nitrogen (BUN) and serum creatinine (SCr) levels in HN rats and ameliorated renal pathological injury and fibrosis. A total of 25 chemical components in T. chebula extract were identified by UPLC-Q-Exactive Orbitrap/MS analysis, and network pharmacology analysis indicated that the NF-κB pathway was the potential pathway associated with the therapeutic effects of T. chebula extract on HN. RT‒PCR analysis, immunofluorescence staining and ELISA demonstrated that the mRNA and protein levels of TLR4 and MyD88 were significantly decreased in the renal tissue of HN rats after treatment with T. chebula extract at different concentrations, while the phosphorylation of P65 and the secretion of TNF-α and IL-6 were significantly inhibited. The results of in vitro experiments showed that T. chebula extract significantly decreased the protein levels of TLR4, MyD88, p-IκBα and p-P65 in uric acid-treated HK-2 cells and inhibited the nuclear translocation of p65 in these cells. In addition, the expression of inflammatory factors (IL-1β, IL-6 and TNF-α) and fibrotic genes (α-SMA and fibronectin) was significantly downregulated by T. chebula extract treatment, while E-cadherin expression was significantly upregulated. CONCLUSION T. chebula extract exerts nephroprotective effects on HN, such as anti-inflammatory effects and fibrosis improvement, by regulating the TLR4/MyD88/NF-κB axis, which supports the general use of T. chebula in the management of HN and other chronic kidney diseases.
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Affiliation(s)
- Hao Liu
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Basic Medicine, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China
| | - Zhiyu Chen
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Basic Medicine, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China
| | - Meng Liu
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Basic Medicine, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China
| | - Ertong Li
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Basic Medicine, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China
| | - Juan Shen
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China
| | - Jie Wang
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Basic Medicine, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China
| | - Wenbin Liu
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Basic Medicine, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China.
| | - Xiaobao Jin
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China; School of Basic Medicine, Guangdong Pharmaceutical University, Guangzhou Guangdong 510006, PR China.
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Sultan MT, Anwar MJ, Imran M, Khalil I, Saeed F, Neelum S, Alsagaby SA, Al Abdulmonem W, Abdelgawad MA, Hussain M, El-Ghorab AH, Umar M, Al Jbawi E. Phytochemical profile and pro-healthy properties of Terminalia chebula: A comprehensive review. International Journal of Food Properties 2023. [DOI: 10.1080/10942912.2023.2166951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
| | | | - Muhammad Imran
- Department of Food Science and Technology, University of Narowal-Pakistan, Narowal, Pakistan
| | - Ijaz Khalil
- Institute of Food and Nutrition, Bahauddin Zakariya University, Multan, Pakistan
| | - Farhan Saeed
- Department of Food Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Shahzadi Neelum
- Department of Biochemistry, Hamdard University, Karachi, Pakistan
| | - Suliman A. Alsagaby
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, AL-Majmaah, Saudi Arabia
| | - Waleed Al Abdulmonem
- Department of Pathology, College of Medicine, Qassim University, Buraidah, Kingdom of Saudi Arabia
| | - Mohamed A. Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Muzzamal Hussain
- Department of Food Sciences, Government College University Faisalabad, Faisalabad, Pakistan
| | - Ahmed H. El-Ghorab
- Department of Chemistry, College of Science, Jouf University, Sakaka, Saudi Arabia
| | - Maryam Umar
- Department of Food Sciences, Government College University Faisalabad, Faisalabad, Pakistan
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Ai L, Guo L, Liu W, Xue X, Li L, Sheng Z, Gao C. Determination and Mechanism of Antidiarrheal Chemical Constituents of Paederia scandens Determined by HPLC-ESI-MS Integrated with Network Pharmacology. ACS Omega 2023; 8:28834-28845. [PMID: 37576641 PMCID: PMC10413830 DOI: 10.1021/acsomega.3c03887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023]
Abstract
Paederia scandens is a natural medicinal plant that is widely used for its various pharmacological effects including antiviral, antitumor, anti-inflammatory, and antibacterial activities. However, there is no scientific evidence to support its antidiarrheal effect. In this study, the antidiarrheal activity of P. scandens was evaluated using several validated models. By using HPLC-ESI-MS in conjunction with a network pharmacology approach, the possible antidiarrheal mechanisms of P. scandens active fragments were studied, and they were subsequently verified in a mouse model of diarrhea. Finally, utilizing molecular docking, active compounds that might have antidiarrheal properties were hypothesized. The results show that the main antidiarrheal part of P. scandens has 10 chemical components in the n-butanol fraction (PSNB). The key targets of PSNB and diarrhea, EGFR, AKT1, and PIK3CA, were screened by network pharmacology analysis. And the mechanism of PSNB in the treatment of diarrhea may be highly related to the EGFR tyrosine kinase inhibitor resistance and PI3K/AKT signaling pathway. Besides, through the qRT-PCR and western-blot experiments, it was found that PSNB could inhibit the gene expression of proinflammatory factors by reducing the protein expression of AKT1 and PI3K and regulating the NF-κB signaling pathway in mice. In addition, asperuloside, paederosidic acid, paederoside, paederosidic acid methyl ester, and 6'-O-E-feruloylmonotropein have better docking energies than other chemical components in PSNB with EGFR, AKT1, and PIK3CA. In conclusion, the main antidiarrheal active site of P. scandens is the n-butanol site. PSNB may exert an antidiarrheal effect by regulating the PI3K/Akt/NF-κB signaling pathway. Among them, asperuloside, paederosidic acid, paederoside, paederosidic acid methyl ester, and 6'-O-E-feruloylmonotropein may be the active ingredients that exert an antidiarrheal effect.
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Affiliation(s)
- Liwen Ai
- College
of Veterinary Medicine, Northeast Agricultural
University, Harbin 150030, P. R. China
- Heilongjiang
Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, P. R. China
| | - Liyang Guo
- College
of Veterinary Medicine, Northeast Agricultural
University, Harbin 150030, P. R. China
- Heilongjiang
Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, P. R. China
| | - Weixue Liu
- College
of Veterinary Medicine, Northeast Agricultural
University, Harbin 150030, P. R. China
- Heilongjiang
Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, P. R. China
| | - Xuexue Xue
- College
of Veterinary Medicine, Northeast Agricultural
University, Harbin 150030, P. R. China
- Heilongjiang
Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, P. R. China
| | - Lulu Li
- College
of Veterinary Medicine, Northeast Agricultural
University, Harbin 150030, P. R. China
- Heilongjiang
Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, P. R. China
| | - Zunlai Sheng
- College
of Veterinary Medicine, Northeast Agricultural
University, Harbin 150030, P. R. China
- Heilongjiang
Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin 150030, P. R. China
| | - Chunbo Gao
- Heilongjiang
International University, Harbin 150030, P. R. China
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Wu Q, He M, Wang J, Tong T, Yang D, Tang H. The therapeutic mechanism of Chebulae Fructus in the treatment of immunosuppression in Chinese yellow quail on the basis of network pharmacology. Front Vet Sci 2023; 10:1123449. [PMID: 37275616 PMCID: PMC10235497 DOI: 10.3389/fvets.2023.1123449] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 05/04/2023] [Indexed: 06/07/2023] Open
Abstract
Introduction Chebulae Fructus (Terminalia chebula Retz.) is a well-known traditional Chinese medicine (TCM), one of the family Combretaceae, whose immature fruit is called Fructus Chebulae Immaturus or Zangqingguo. This present study aimed at detecting the target and therapeutic mechanism of Chebulae Fructus against immunosuppression through network analysis and experimental validation. Methods Effective components and potential targets of Chebulae Fructus were Search and filtered through the Chinese herbal medicine pharmacology data and analysis platform. A variety of known disease target databases were employed to screen the therapeutic target proteins against immunosuppression and thus constructing a protein-protein interaction network. Hub genes and key pathways in this study were identified by continuous project enrichment analysis. Further, the core targets and therapeutic mechanism of Chebulae Fructus against immunosuppression in Chinese yellow quail through animal experiment. Results Seventy-five identifiable major candidate targets of Chebulae Fructus were found and thus constructing a drug-compound-target-disease network. Targets derived from gene enrichment analysis play pivotal roles in lipid and atherosclerosis, fluid shear stress and atherosclerosis, and the hepatitis B pathway. Height of plicate and areas of lymphoid follicle were both increased and the expression of GATA-3 and T-bet was upregulated in Chinese yellow quail fed with Chebulae Fructus in animal experiment. Conclusion Chebulae Fructus may be a helpful Chinese medicine with immunosuppressive effect and prospective applications in future. Further research is also needed to understand the mechanisms of immunosuppression and the mechanism of action of immunomodulators.
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Affiliation(s)
- Qiang Wu
- Agricultural College, Yibin Vocational and Technical College, Yibin, China
| | - Min He
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
| | - Jing Wang
- Agricultural College, Yibin Vocational and Technical College, Yibin, China
| | - TieJin Tong
- Agricultural College, Yibin Vocational and Technical College, Yibin, China
| | - Dan Yang
- Agricultural College, Yibin Vocational and Technical College, Yibin, China
| | - Huaqiao Tang
- College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, China
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Abduraman MA, Mustafa NH, Yaacob NS, Amanah A, Tan ML. Cytochrome P450 inhibition activities of non-standardized botanical products. J Ethnopharmacol 2022; 296:115406. [PMID: 35659627 DOI: 10.1016/j.jep.2022.115406] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE R-tab, H-tab and E-cap botanical products are used for the treatment of various ailments. R-tab is traditionally prescribed for improving urination, H-tab is for relieving piles, hemorrhoids, fissures, and rectal inflammation and E-cap is for regulating menstruation. AIMS OF THE STUDY To extract the botanical products and determine their potential interaction with the cytochrome P450 (CYP1A2, CYP2D6 and CYP3A4) enzymes. MATERIALS AND METHODS R-tab, H-tab and E-cap botanical products were first extracted using solvents and analyzed using HPLC and LC-MS/MS. The effects of methanol extracts on the cytochrome induction and inhibition activities were determined using a series of in vitro assays, including multiplex RT-qPCR, CYP activity assays (P450-Glo™) and LC-MS/MS-based assays. For the CYP induction assay, omeprazole, rifampicin and dexamethasone were used as CYP1A2, CYP2D6 and CYP3A4 inducers, respectively. Ketoconazole and acetaminophen were used as positive and negative controls for the CYP3A4 inhibition assay, whereas furafylline and ketoconazole were used as positive and negative controls for the CYP1A2 inhibition assay. RESULTS All three botanical products did not show any significant induction in CYP1A2, CYP2D6 and CYP3A4 mRNA expression. By contrast, R-tab inhibited the mRNA expression of CYP1A2 significantly from the lowest concentration of 0.01 μg/mL, while, H-tab inhibited the mRNA expression of CYP1A2 and CYP3A4 from 0.1 μg/mL. Based on the P450 Glo assays, E-cap extract inhibited the metabolic activity of CYP1A2 with an IC50 value of 37.24 μg/mL. On the other hand, R-tab, H-tab and E-cap showed inhibitory effects on the CYP3A4 enzymatic activity with IC50 values of 17.42, 18.20 and 20.60 μg/mL, respectively. However, using the LC-MS/MS-based methods, the concentration-dependent effects of R-tab and H-tab extracts on the metabolism of testosterone appeared to be more prominent, with IC50 values of 51.90 and 56.90 μg/mL as compared with the rest of the results, which were all above 100 μg/mL CONCLUSION: The CYP3A4 mRNA and enzymatic activity were moderately inhibited by R-tab and H-tab. Methanol extract of botanical products in solid dosage forms can be evaluated for their herb-drug interaction risks using in vitro assays and may provide the minimum data required for safety labeling.
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Affiliation(s)
| | - Nor Hidayah Mustafa
- Drug and Herbal Research Centre, Faculty of Pharmacy, Universiti Kebangsaan Malaysa, 50300, Kuala Lumpur, Malaysia.
| | - Nik Soriani Yaacob
- Department of Clinical Pathology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia.
| | - Azimah Amanah
- Malaysian Institute of Pharmaceuticals & Nutraceuticals (IPharm), National Institutes of Biotechnology Malaysia (NIBM), 11700, Pulau Pinang, Malaysia.
| | - Mei Lan Tan
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800, Pulau Pinang, Malaysia.
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Hassan Bulbul MR, Uddin Chowdhury MN, Naima TA, Sami SA, Imtiaj MS, Huda N, Uddin MG. A comprehensive review on the diverse pharmacological perspectives of Terminalia chebula Retz. Heliyon 2022; 8:e10220. [PMID: 36051270 DOI: 10.1016/j.heliyon.2022.e10220] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 05/31/2022] [Accepted: 08/02/2022] [Indexed: 11/22/2022] Open
Abstract
Terminalia chebula Retz, commonly known as 'Haritaki/Myrobalan,' has been utilised as a traditional medicine for a long time. It has been extensively exercised in various indigenous medicine practices like Unani, Tibb, Ayurveda, and Siddha to remedy human ailments such as bleeding, carminative, dysentery, liver tonic, digestive, antidiarrheal, analgesic, anthelmintic, antibacterial and helpful in skin disorders. Studies on the pharmacological effects of T. chebula and its phytoconstituents documented between January, 1996 and December, 2021 were explored using various electronic databases. During the time mentioned above, several laboratory approaches revealed the biological properties of T. chebula, including antioxidative, antiproliferative, anti-microbial, proapoptotic, anti-diabetic, anti-ageing, hepatoprotective, anti-inflammatory, and antiepileptic. It is also beneficial in glucose and lipid metabolism and prevents atherogenesis and endothelial dysfunction. Different parts of T. chebula such as fruits, seeds, galls, barks extracted with various solvent systems (aqueous, ethanol, methanol, chloroform, ethyl-acetate) revealed major bioactive compounds like chebulic acid, chebulinic acid, and chebulaginic acid, which in turn proved to have valuable pharmacological properties through broad scientific investigations. There is a common link between chebulagic acid and chebulanin with its antioxidant property, antiaging activity, antiinflammatory, antidiabetic activity, and cardioprotective activity. The actions may be through neutralizing the free radicals responsible for producing tissue damage alongside interconnecting many other diseases. The current review summarises the scientifically documented literature on pharmacological potentials and chemical compositions of T. chebula, which is expected to investigate further studies on this subject.
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Mobeen A, Moazzam SW. Jawarish Shahi: A special dosage form of herbal formulations for functional gastrointestinal disorders in Unani medicine- A comprehensive review. J Ethnopharmacol 2022; 293:115319. [PMID: 35490900 DOI: 10.1016/j.jep.2022.115319] [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] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/09/2022] [Accepted: 04/20/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Functional gastrointestinal disorders (FGIDs) are the most common diagnoses in gastroenterology and represent a group of chronic unexplained gut syndromes. The best-known disorders are irritable bowel syndrome (IBS) and functional dyspepsia (FD). Jawarish Shahi (JS) is used for gastrointestinal disorders in Unani Medicine (UM). AIMS OF THE STUDY The present review aims to evaluate the FD and IBS in Unani medicine and scientific evidence for the safety and efficacy of JS and its herbal ingredients in the management of FD and IBS. MATERIAL AND METHODS Sources of data are from the classical literature of UM, Canon of medicine, Khazainul Advia, Indian Medicinal Plants-An Illustrated Dictionary. Databases, PubMed, Science Direct, Scopus, Google Scholar, were explored for related studies. RESULTS An updated review on the concept of FGIDs in Unani medicine, its pathophysiology, and management is presented. Comprehensive information on JS and its traditional and ethnopharmacological clinical attributes, standardization and toxicity study, biomedical studies of herbs in JS for their efficacies in FD and IBS are presented. CONCLUSIONS The outcome of the work clearly indicates that disease conditions similar to FD and IBS and their successful treatment are described in Unani Medicine. JS has been used for disease conditions similar to FD and IBS by the physicians of the medieval period. The herbs in JS are widely researched for pharmacologically active substances and were reported for antioxidant, immunomodulatory, gastroprotective, antispasmodic, analgesic, antidiarrheal, antisecretory, laxative, anti-inflammatory, anxiolytic, and antidepressant properties. Nevertheless, further explorations, particularly well-designed clinical trials are required for efficacy.
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Affiliation(s)
- Abdul Mobeen
- Dept. of Moalajat, National Institute of Unani Medicine, Bangalore, 560091, India.
| | - Shehanshah Wali Moazzam
- Dept. of Moalajat, Hakeem Rais Unani Medical College and Hospital, Sambhal, Uttar Pradesh, India.
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Qu S, Bao J, Ao W, Bai L, Borjigidai A. Mongolian medicine: History, development and existing problems. Chinese Herbal Medicines 2022; 14:345-355. [PMID: 36117997 PMCID: PMC9476632 DOI: 10.1016/j.chmed.2022.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/17/2022] [Accepted: 06/15/2022] [Indexed: 11/08/2022] Open
Abstract
Mongolian medicine (MM) is an important part of Mongolian culture. Exploration of MM can play a crucial role in the prevention and treatment of various diseases and can help provide better health care globally. In this article, we gave a brief introduction to the origin and development of MM, the theoretical system of MM, the principles of Mongolian materia medica formula, the modern research on Mongolian materia medica and the quality control of Mongolian materia medica. The present situation and outlook of MM were also discussed.
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Moazzam SW, Mobeen A, Siddiqui MA. Efficacy of Jawarish Shahi a herbal formulation in irritable bowel syndrome: An open-labeled single-arm clinical trial. J Tradit Complement Med 2022; 12:529-535. [PMID: 36325243 PMCID: PMC9618389 DOI: 10.1016/j.jtcme.2022.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 04/05/2022] [Accepted: 04/18/2022] [Indexed: 11/18/2022] Open
Abstract
Background and aim Irritable bowel syndrome (IBS) is one of the most common gastrointestinal disorders characterized by chronic recurrent abdominal pain related to a change in bowel habit or defecation frequency and commonly accompanied by anxiety and depression affecting about 10% population globally. Jawarish Shahi (JS) is a special dosage form prepared for gastrointestinal disorders in Unani medicine containing Phyllanthus emblica L., Terminalia chebula Retz., Coriandrum sativum L., Elettaria cardamomum (L.) Maton and Salix caprea L. Considering the antioxidant, immunomodulatory, antispasmodic analgesic, antidiarrheal, antisecretory, laxative, anti-inflammatory, anxiolytic, and antidepressant properties, the present study was aimed to evaluate the efficacy of JS in IBS. Experimental procedure This single-arm open-labeled clinical trial was conducted on 26 male and female patients of IBS according to Rome IV criteria, aged 18–50 years with moderate symptoms. JS was given 7 g orally twice a day after meal with water for 45 days. IBS Severity Scoring Scale (IBS-SSS) was used for efficacy outcomes and the difference was analyzed from baseline to the subsequent follow-ups. Results Data analysis of subsequent followup showed a significant decrease in IBS-SSS scores except for 2nd followup, scores decreased from 229.50 ± 75.91 to 203.12 ± 71.71 (p < 0.1018), 150.61 ± 55.32 (p < 0.0001), and 123.76 ± 54.81 (p < 0.0001) at 0, 15th, 30th, 45th day of follow up respectively. Conclusion The present study revealed that JS is safe and effective in reducing the overall symptoms of IBS in respect to its severity and impact on quality of life and can be used as an alternate as well as a complementary treatment in IBS. Jawarish Shahi is a herbal pharmacopeial drug specially prepared for gastrointestinal disorders in Unani Medicine. The ingredients have been researched widely for their phytopharmacology and diverse effects reported in biomedical studies. Antioxidant, anti-inflammatory, antispasmodic, antidiarrheal, laxative, anxiolytic, and antidepressant effects are reported. IBS-SSS scores significantly decreased from 229.50±75.91 to 203.12±71.71, 150.61±55.32, and 123.76±54.81 (p < 0.0001). JS significantly increased the effectiveness in terms of safety, efficacy, tolerability, symptom relief, and QoL improvement.
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Affiliation(s)
- Shehanshah Wali Moazzam
- Dept. of Moalajat, Hakeem Rais Unani Medical College and Hospital, Sambhal, Uttar Pardesh, India
| | - Abdul Mobeen
- Dept. of Moalajat, National Institute of Unani Medicine, Bangalore, 560091, India
- Corresponding author. Dept of Moalajat (Medicine), National Institute of Unani Medicine, Bangalore, 560091, India.
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Babich O, Larina V, Ivanova S, Tarasov A, Povydysh M, Orlova A, Strugar J, Sukhikh S. Phytotherapeutic Approaches to the Prevention of Age-Related Changes and the Extension of Active Longevity. Molecules 2022; 27:2276. [PMID: 35408672 PMCID: PMC9000830 DOI: 10.3390/molecules27072276] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 03/29/2022] [Accepted: 03/30/2022] [Indexed: 02/01/2023] Open
Abstract
Maintaining quality of life with an increase in life expectancy is considered one of the global problems of our time. This review explores the possibility of using natural plant compounds with antioxidant, anti-inflammatory, anti-glycation, and anti-neurodegenerative properties to slow down the onset of age-related changes. Age-related changes such as a decrease in mental abilities, the development of inflammatory processes, and increased risk of developing type 2 diabetes have a significant impact on maintaining quality of life. Herbal preparations can play an essential role in preventing and treating neurodegenerative diseases that accompany age-related changes, including Alzheimer’s and Parkinson’s diseases. Medicinal plants have known sedative, muscle relaxant, neuroprotective, nootropic, and antiparkinsonian properties. The secondary metabolites, mainly polyphenolic compounds, are valuable substances for the development of new anti-inflammatory and hypoglycemic agents. Understanding how mixtures of plants and their biologically active substances work together to achieve a specific biological effect can help develop targeted drugs to prevent diseases associated with aging and age-related changes. Understanding the mechanisms of the biological activity of plant complexes and mixtures determines the prospects for using metabolomic and biochemical methods to prolong active longevity.
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Xu Y, Tang G, Zhang C, Wang N, Feng Y. Gallic Acid and Diabetes Mellitus: Its Association with Oxidative Stress. Molecules 2021; 26:molecules26237115. [PMID: 34885698 PMCID: PMC8658971 DOI: 10.3390/molecules26237115] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/12/2021] [Accepted: 11/22/2021] [Indexed: 12/20/2022] Open
Abstract
Diabetes mellitus (DM) is a severe chronic metabolic disease with increased mortality and morbidity. The pathological progression of DM is intimately connected with the formation and activation of oxidative stress (OS). Especially, the involvement of OS with hyperglycemia, insulin resistance, and inflammation has shown a vital role in the pathophysiological development of DM and related complications. Interestingly, accumulating studies have focused on the exploration of natural antioxidants for their improvement on DM. Of specific interest is gallic acid (GA), which is rich in many edible and herbal plants and has progressively demonstrated robust antioxidative and anti-inflammatory effects on metabolic disorders. To provide a better understanding of its potential therapeutic impacts and enhancement of human health care, the available research evidence supporting the effective antidiabetic properties of GA and relevant derivatives are needed to be summarized and discussed, with emphasis on its regulation on OS and inflammation against DM. This review aims to highlight the latest viewpoints and current research information on the role of OS in diabetes and to provide scientific support for GA as a potential antihypoglycemic agent for DM and its complications.
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Affiliation(s)
| | | | | | | | - Yibin Feng
- Correspondence: ; Tel.: +85-(23)-9176482
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Zayapor MN, Abdullah A, Wan Mustapha WA. The antioxidant analysis and α-glucosidase inhibition activities of spices and herbs (22 species) in Asian traditional beverages. Food Measure 2021. [DOI: 10.1007/s11694-020-00766-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Chang Z, Zhang Q, Liang W, Zhou K, Jian P, She G, Zhang L. A Comprehensive Review of the Structure Elucidation of Tannins from Terminalia Linn. Evid Based Complement Alternat Med 2019; 2019:8623909. [PMID: 31885669 PMCID: PMC6925711 DOI: 10.1155/2019/8623909] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 10/29/2019] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Tannins with complex structures are important plant resources, which are abundant in the genus Terminalia. Various Terminalia species have been playing an important role in traditional medicine system. A systematic scoping review of Terminalia Linn. research literature for tannins was conducted to summarize the structures of tannins and analysis fragmentation pathway characteristics, which could provide references for the structural analysis of tannins from Terminalia Linn. METHODS After an update of the literature search up to September 2018, the terms of Terminalia in all publications were analyzed. Electronic searches were conducted in scifinder and PubMed, and the information from 197 articles in all with regard to the tannin structure study was extracted. RESULTS The compounds of 82 tannins from the genus Terminalia were reviewed. According to the structural differences, they can be divided into three categories, hydrolysable tannins, condensed tannins, and complex tannins, respectively. The fragmentation pathways of 46 identified tannins were analyzed, and the fragmentation rules of tannins were speculated according to different types. CONCLUSION This review has attracted attention to the active substances in this species such as the tannins summarized in further study. How to improve the extraction and purification technology of tannins from genus Terminalia is an urgent problem to be solved.
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Affiliation(s)
- Zihao Chang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Qiunan Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Wenyi Liang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Kun Zhou
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Ping Jian
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Gaimei She
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Lanzhen Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
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Zucca P, Bellot S, Rescigno A. The Modern Use of an Ancient Plant: Exploring the Antioxidant and Nutraceutical Potential of the Maltese Mushroom ( Cynomorium Coccineum L.). Antioxidants (Basel) 2019; 8:antiox8080289. [PMID: 31394783 PMCID: PMC6719927 DOI: 10.3390/antiox8080289] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [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: 06/28/2019] [Revised: 08/02/2019] [Accepted: 08/05/2019] [Indexed: 12/26/2022] Open
Abstract
In the continuous scientific search for new safe and effective drugs, there has recently been a rediscovery of natural substances as a potential reservoir of innovative therapeutic solutions for human health, with the prospect of integrating with and sometimes replacing conventional drugs. Cynomorium coccineum subsp. coccineum is a holoparasitic plant well known in ethnopharmacology, although its current use as a curative remedy is reported only in some ethnic groups of North Africa and the Arabian Peninsula. Often known as ‘Maltese mushroom’ due to its unique appearance and the absence of chlorophyll, C. coccineum is present in almost all of the Mediterranean Basin. It is only recently that a few research groups have begun to look for confirmation of some of its traditional uses to highlight previously unknown biological activities. Here, we review the recent scientific findings on the plant’s phytochemistry and the most significant descriptions of some of its antioxidant and biological activities (antimicrobial, anticancer, pro-erectile, and anti-tyrosinase enzyme) both in vivo and in vitro. Some of these may be promising from the perspective of food and cosmetic formulations. The purpose of this review is to provide an initial impetus to those who, in the foreseeable future, will want to increase the knowledge and possible applications of this plant full of history, charm, and mystery.
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Affiliation(s)
- Paolo Zucca
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato (CA), Italy
| | - Sidonie Bellot
- Jodrell Laboratory, Royal Botanic Gardens Kew, Richmond TW9 3DS, UK
| | - Antonio Rescigno
- Department of Biomedical Sciences, University of Cagliari, 09042 Monserrato (CA), Italy.
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Cavalcanti PMS, Martins MDOCC, Nunes PHM, Alves Filho FC, Silva JDP, Cavalcanti SMG. Antidiarrheal effect of extract from the bark of Combretum leprosum in mice. AN ACAD BRAS CIENC 2018; 91:e20170932. [PMID: 30569966 DOI: 10.1590/0001-3765201820170932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 05/07/2018] [Indexed: 11/21/2022] Open
Abstract
This study investigated the effects of the ethanolic extract from the bark of Combretum leprosum (ECL) on intestinal transit and castor-oil induced diarrhea in mice. The oral administration of ECL (750 and 1000 mg/kg) slowed intestinal transit (ID50 of 455 mg/kg). The ECL (250-1000 mg/kg) reduced castor-oil induced diarrhea, in a time- and dose-dependent manner (p < 0.05). To determine if antidiarrheal effect of ECL involves α2-adrenergic or opioid receptor activation, the mice were pretreated with antagonists of these receptors, yohimbine or naloxone respectively. None of these drugs inhibited the antidiarrheal effect of ECL. To test if antidiarrheal effect of ECL is due to an antisecretory action, we realized the enteropooling assay on rats. The ECL increased bowel content and did not inhibit intestinal fluid secretion increase induced by misoprostol (100 µg/kg, s.c.). To determine if antimotility effect of ECL is due to a reduction on gastric motility, we realized the organ bath assay in the rat fundus stomach. Isotonic recordings show that the carbachol /KCl - induced contraction was not reversed by the addition of ECL. In conclusion, our results suggest that ECL contains antidiarrheal compounds and these compounds could induce a reduction of intestinal tract motility.
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Affiliation(s)
- Paulo M S Cavalcanti
- Departamento de Bioquímica e Farmacologia (setor SG8), Centro de Ciências da Saúde, Universidade Federal do Piauí, Avenida Universitária, s/n, Ininga, 64049-550 Teresina, PI, Brazil
| | - Maria DO Carmo C Martins
- Departamento de Biofísica e Fisiologia (setor SG8), Centro de Ciências da Saúde, Universidade Federal do Piauí, Avenida Universitária, s/n, Ininga, 64049-550 Teresina, PI, Brazil
| | - Paulo H M Nunes
- Departamento de Biofísica e Fisiologia (setor SG8), Centro de Ciências da Saúde, Universidade Federal do Piauí, Avenida Universitária, s/n, Ininga, 64049-550 Teresina, PI, Brazil
| | - Francisco C Alves Filho
- Departamento de Biofísica e Fisiologia (setor SG8), Centro de Ciências da Saúde, Universidade Federal do Piauí, Avenida Universitária, s/n, Ininga, 64049-550 Teresina, PI, Brazil
| | - Janyerson D P Silva
- Departamento de Biofísica e Fisiologia (setor SG8), Centro de Ciências da Saúde, Universidade Federal do Piauí, Avenida Universitária, s/n, Ininga, 64049-550 Teresina, PI, Brazil
| | - Suzana M G Cavalcanti
- Coordenação de Fisioterapia, Centro de Ciências da Saúde, Universidade Estadual do Piauí, Rua Olavo Bilac, 2335, Centro (Sul), 64001-280 Teresina, PI, Brazil
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Zhao SS, Ma DX, Zhu Y, Zhao JH, Zhang Y, Chen JQ, Sheng ZL. Antidiarrheal effect of bioactivity-guided fractions and bioactive components of pomegranate (Punica granatum L.) peels. Neurogastroenterol Motil 2018; 30:e13364. [PMID: 29717519 DOI: 10.1111/nmo.13364] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 03/28/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND Pomegranate peels have been widely used to treat diarrhea in China. The antidiarrheal activities of aqueous extracts of pomegranate peels have been evaluated. However, there have not been any bioactivity-guided fractionation studies on the antidiarrheal effect to identify the bioactive components of the extract. METHODS Bioactivity-guided fractionation of an aqueous extract of pomegranate peels was performed using different solvents of increasing polarity, generating fractions dissolved in ethyl acetate, n-butyl alcohol, and the residual fraction. The principal chemical composition of the active fraction was analyzed by HPLC/ESI-MS. KEY RESULTS Fecal frequencies revealed that only the ethyl acetate fraction possessed significant antidiarrheal activity. Furthermore, administration of the ethyl acetate fraction at 100, 200, and 400 mg/kg significantly reduced gastrointestinal transit in charcoal meal tests in mice. It also significantly inhibited castor oil-induced enteropooling compared to control animals. Histopathological analysis revealed that small intestine lesions of mice treated with the ethyl acetate fraction were alleviated compared to those in mice treated with castor oil. The ethyl acetate fraction was found to be composed mainly of punicalagin, corilagin, and ellagic acid, and a combination of these compounds could mediate the antidiarrheal activities. CONCLUSION AND INFERENCES Our study describes the protective effects of pomegranate peels against castor oil-induced diarrhea. The findings showed that the ethyl acetate fraction was the active fraction of pomegranate peels, of which punicalagin, corilagin, and ellagic acid were responsible for the antidiarrheal effect of aqueous extracts.
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Affiliation(s)
- S-S Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
| | - D-X Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Y Zhu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - J-H Zhao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Y Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - J-Q Chen
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Z-L Sheng
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.,Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Harbin, China
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Abstract
Summary
Ayurveda, whispered to be the ancient practice of healthcare existed and contributes a holistic approach to health, healing and longevity. Terminalia chebula Retz. is a popular plant and widely spread all over southern Asia. T. chebula is a native plant of India and its dried fruit is extensively used in various types of home remedies. Dried fruit of T. chebula contains high quantities phenolic compounds that consist of ellagic acid, gallic acid and chebulic acid. The fruit extract of T. chebula is known to display different biological properties like anticancer, anti-inflammatory, antioxidant, anti-protozoal, antimicrobial, hepato and renal protective activities, and in the management of metabolic syndrome. The phenolic active compounds might play vital role in the influence of biological activity. Fruit extract of T. chebula is widely employed as an important ingredient in various ayurvedic preparations like ‘Triphala’. This formulation is beneficial as detoxifying agent of the colon, purgative in chronic constipation, aids in digestion and as a body rejuvenator. The fruit has great medicinal significance and conventionally applied for the management of various illness conditions, such as sore throat, high cough, asthma, ulcers, gout, heart burn, vomiting, diarrhea, dysentery, bleeding piles and bladder diseases. It is also utilized as mild laxative, antispasmodic and stomachic. Because of these enormous medicinal properties, T. chebula is commonly termed as ‘King of Medicine’ in Tibet and can be called as a ‘wonder herb’. In the present review, recent advances in medicinal properties of T. chebula are discussed.
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Affiliation(s)
| | - Nagaraj M. Kulkarni
- Hetero Research Foundation Plot No B80 & 81, A.P.I.E. Balanagar, Hyderabad-500018 Telangana , India
| | - Rathanakar Reddy Kura
- Hetero Research Foundation Plot No B80 & 81, A.P.I.E. Balanagar, Hyderabad-500018 Telangana , India
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Rawat P, Singh PK, Kumar V. Evidence based traditional anti-diarrheal medicinal plants and their phytocompounds. Biomed Pharmacother 2017; 96:1453-1464. [DOI: 10.1016/j.biopha.2017.11.147] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 11/21/2017] [Accepted: 11/29/2017] [Indexed: 12/18/2022] Open
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Yao W, Yang C, Wen Y, Zhang W, Zhang X, Ma Q, Ji P, Hua Y, Wei Y. Treatment effects and mechanisms of Yujin Powder on rat model of large intestine dampness-heat syndrome. J Ethnopharmacol 2017; 202:265-280. [PMID: 28330724 DOI: 10.1016/j.jep.2017.03.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Revised: 03/14/2017] [Accepted: 03/18/2017] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Yujin Powder (YJP), an old prescription, is one of the most classical prescription for treating the large intestine dampness-heat syndrome (LIDHS). However, its potential modern pharmacological mechanisms remain unclear. AIM OF THE STUDY The present study was designed to explore the essence of LIDHS and treatment mechanisms of the YJP on the LIDHS. METHODS The rat model of LIDHS was established by such complex factors as high-sugar and high-fat diet, improper diet, high temperature and humidity environment (HTHE), drinking and intraperitoneal injection of Escherichia coli., which imitated the inducing conditions of LIDHS. Then the clinical symptoms and signs, blood routine, blood biochemistry, whole blood viscosity (WBV), serum inflammatory cytokines levels and the histopathological changes of main organs were detected and observed, respectively. RESULTS The results showed that the clinical symptoms and signs of the model rats were consistent with the diagnostic criteria of LIDHS, moreover, there were obvious systemic inflammatory response and extensive congestion. And after treatment with YJP in different dosages, the clinical symptoms and signs of the rats with LIDHS were improved; the indexes of blood routine and blood biochemistry and inflammatory cytokines levels tended to be normal; the WBV decreased and histopathological changes of major organs were alleviated or returned to normal. There was an obvious dose-effect relationship, and the high dose of YJP (HD-YJP) had the best treatment effects. CONCLUSIONS These results suggested that in LIDHS, diarrhea was the major clinical manifestation; the large intestine was the main lesion area; mucosa injury, inflammation and congestion of the large intestine with systemic inflammatory response and congestion were the most typical pathological characteristics. Meanwhile, YJP exhibited the comprehensive effects of anti-diarrhea, anti-inflammation, lowering blood lipid, relieving blood stasis, repairing intestinal mucosa and regulation and protection of multiple organs on LIDHS. These findings provided not only important information for understanding the essence of LIDHS but also the theoretical basis for developing new-drugs for treating dampness-heat type of diarrheal diseases.
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Affiliation(s)
- Wanling Yao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Chaoxue Yang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Yanqiao Wen
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Wangdong Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Xiaosong Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Qi Ma
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Peng Ji
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Yongli Hua
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
| | - Yanming Wei
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, PR China.
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