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Zhu Y, Yao L, Guo Y, Zhang J, Xia Y, Wei Z, Dai Y. Bergenin attenuates triptolide-caused premature ovarian failure in mice based on the antioxidant activity. Reprod Toxicol 2024; 126:108608. [PMID: 38735593 DOI: 10.1016/j.reprotox.2024.108608] [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: 09/06/2023] [Revised: 04/16/2024] [Accepted: 05/07/2024] [Indexed: 05/14/2024]
Abstract
Tripterygium wilfordii (TW) preparations have been utilized in China for treating rheumatoid arthritis and autoimmune diseases. However, their clinical use is limited due to reproductive toxicity, notably premature ovarian failure (POF). Our study aimed to investigate the effect and mechanism of bergenin in attenuating POF induced by triptolide in mice. POF was induced in female ICR mice via oral triptolide administration (50 μg/kg) for 60 days. Mice received bergenin (25, 50, 100 mg/kg, i.g.) or estradiol valerate (EV) (0.1 mg/kg, i.g.) daily, 1 h before triptolide treatment. In vitro, ovarian granulosa cells (OGCs) were exposed to triptolide (100 nM) and bergenin (1, 3, 10 μM). Antioxidant enzyme activity, protein expression, apoptosis rate, and reactive oxygen species (ROS) levels were assessed. The results showed that triptolide-treated mice exhibited evident atrophy, along with an increase in atretic follicles. Bergenin (50, 100 mg/kg) and EV (0.1 mg/kg), orally administered, exerted significant anti-POF effect. Bergenin and EV also decreased apoptosis in mouse ovaries. In vitro, bergenin (1, 3, 10 μM) attenuated triptolide-induced OGCs apoptosis by reducing levels of apoptosis-related proteins. Additionally, bergenin reduced oxidative stress through downregulation of antioxidant enzymes activity and overall ROS levels. Moreover, the combined use with Sh-Nrf2 resulted in a reduced protection of bergenin against triptolide-induced apoptosis of OGCs. Together, bergenin counteracts triptolide-caused POF in mice by inhibiting Nrf2-mediated oxidative stress and preventing OGC apoptosis. Combining bergenin with TW preparations may effectively reduce the risk of POF.
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Affiliation(s)
- Yanrong Zhu
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Lichen Yao
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Yilei Guo
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Jing Zhang
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Yufeng Xia
- Department of Pharmacognosy, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China
| | - Zhifeng Wei
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China.
| | - Yue Dai
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Long Mian Avenue, Nanjing 211198, China.
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Xia M, Xu X, Chen C, Wu H, Xu RA, Wang C. Quantitative investigation of drug-drug interaction between bergenin and vilazodone in rats through UPLC-MS/MS assay. BMC Chem 2024; 18:89. [PMID: 38702755 PMCID: PMC11067167 DOI: 10.1186/s13065-024-01203-5] [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: 02/10/2024] [Accepted: 04/22/2024] [Indexed: 05/06/2024] Open
Abstract
In this study, we firstly established and verified a method by ultra performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) for the analysis of vilazodone and its metabolite M10 in rat plasma, then this method was used to explore the pharmacokinetics of vilazodone and M10 present or absence of 80 mg/kg bergenin in rats. Protein precipitation with acetonitrile was used to prepare the samples in this research. The mobile phase for liquid chromatography was consisted of 0.1% formic acid aqueous solution and acetonitrile. Brexpiprazole was used as the internal standard (IS), and the multiple reaction monitoring (MRM) mode was used for detection. The verification items required by the US Food and Drug Administration (FDA) guidelines such as selectivity, sensitivity, linearity, stability, recovery and matrix effect of this method were all met the standards. Besides, rats were used to explore the drug-drug interaction between vilazodone and bergenin, which were divided into two groups, and separately gavaged with the same-volume of carboxymethyl cellulose sodium (CMC-Na) solution and 80 mg/kg bergenin, respectively. The results showed that bergenin significantly affected the metabolism of vilazodone. It suggested that there was a potential drug-drug interaction between bergenin and vilazodone in rats. In clinical application, we should pay attention to the dose of vilazodone when in combination with bergenin.
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Affiliation(s)
- Mengming Xia
- The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Xinhao Xu
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chaojie Chen
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hualu Wu
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ren-Ai Xu
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Changlv Wang
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Nnamani PO, Nwagwu C, Diovu EO, Abonyi OE, Nesterkina M, Neu T, Richter C, Loretz B, Lehr CM. Design and evaluation of nanostructured lipid carrier of Bergenin isolated from Pentaclethra macrophylla for anti-inflammatory effect on lipopolysaccharide-induced inflammatory responses in macrophages. Eur J Pharm Biopharm 2024:114307. [PMID: 38685438 DOI: 10.1016/j.ejpb.2024.114307] [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: 12/15/2023] [Revised: 03/01/2024] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
Herein, we report the properties of nanostructured lipid carriers (NLCs) prepared with a gradient concentration of Bergenin (BGN) isolated from Pentaclethra macrophylla stem bark powder. A gradient concentration of BGN (BGN 0, 50, 100, 150, and 200 mg) was prepared in a 5 % lipid matrix consisting of Transcutol HP (75 %), Phospholipon 90H (15 %), and Gelucire 43/01 (10 %) to which a surfactant aqueous phase consisting of Tween 80, sorbitol, and sorbic acid was dissolved. The NLCs were evaluated by size, polydispersity index (PDI), zeta potential, Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), encapsulation efficiency, and in vitro drug release. The result shows polydispersed nanoparticles with high drug encapsulation (94.26-99.50 %). The nanoparticles were mostly spherical, but those from the 50 mg BGN batch were more cuboidal than spherical. The drug release was highest from the latter to the tune of 40 % compared to the pure BGN solution, which released about 15 % BGN. The anti-inflammatory activity of the BGN-NLC and total plant extract was studied on lipopolysaccharide (LPS)-inflamed macrophages. The cell study showed that BGN and plant extract had low cytotoxicity on macrophages and exhibited a dose-dependent anti-inflammatory effect on the LPS-induced inflammatory process in macrophages.
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Affiliation(s)
- Petra Obioma Nnamani
- Department of Pharmaceutics, University of Nigeria, Nsukka 40001, Enugu, Nigeria; Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E 8.1, 66123 Saarbrücken, Germany.
| | - Chinekwu Nwagwu
- Department of Pharmaceutics, University of Nigeria, Nsukka 40001, Enugu, Nigeria; Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E 8.1, 66123 Saarbrücken, Germany
| | - Edith Obioma Diovu
- Department of Pharmacognosy and Environmental Medicine, University of Nigeria, Nsukka, Nigeria
| | | | - Mariia Nesterkina
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E 8.1, 66123 Saarbrücken, Germany
| | - Tobias Neu
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E 8.1, 66123 Saarbrücken, Germany; Department of Pharmacy, Saarland University, Saarbrücken, Germany
| | - Clémentine Richter
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E 8.1, 66123 Saarbrücken, Germany; Department of Pharmacy, Saarland University, Saarbrücken, Germany
| | - Brigitta Loretz
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E 8.1, 66123 Saarbrücken, Germany
| | - Claus-Michael Lehr
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Campus Building E 8.1, 66123 Saarbrücken, Germany; Department of Pharmacy, Saarland University, Saarbrücken, Germany
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Song Y, Deng M, Qiu Y, Cui Y, Zhang B, Xin J, Feng L, Mu X, Cui J, Li H, Sun Y, Yi W. Bergenin alleviates proliferative arterial diseases by modulating glucose metabolism in vascular smooth muscle cells. Phytomedicine 2024; 129:155592. [PMID: 38608597 DOI: 10.1016/j.phymed.2024.155592] [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] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/06/2024] [Accepted: 04/05/2024] [Indexed: 04/14/2024]
Abstract
BACKGROUND Vascular smooth muscle cell (VSMC) proliferation and phenotypic switching are key mechanisms in the development of proliferative arterial diseases. Notably, reprogramming of the glucose metabolism pattern in VSMCs plays an important role in this process. PURPOSE The aim of this study is to investigate the therapeutic potential and the mechanism underlying the effect of bergenin, an active compound found in Bergenia, in proliferative arterial diseases. METHODS The effect of bergenin on proliferative arterial disease was evaluated using platelet-derived growth factor (PDGF)-stimulated VSMCs and a mouse model of carotid artery ligation. VSMC proliferation and phenotypic switching were evaluated in vitro using cell counting kit-8, 5-ethynyl-2-deoxyuridine incorporation, scratch, and transwell assays. Carotid artery neointimal hyperplasia was evaluated in vivo using hematoxylin and eosin staining and immunofluorescence. The expression of proliferation and VSMC contractile phenotype markers was evaluated using PCR and western blotting. RESULTS Bergenin treatment inhibited PDGF-induced VSMC proliferation and phenotypic switching and reduced neointimal hyperplasia in the carotid artery ligation model. Additionally, bergenin partially reversed the PDGF-induced Warburg-like glucose metabolism pattern in VSMCs. RNA-sequencing data revealed that bergenin treatment significantly upregulated Ndufs2, an essential subunit of mitochondrial complex I. Ndufs2 knockdown attenuated the inhibitory effect of bergenin on PDGF-induced VSMC proliferation and phenotypic switching, and suppressed neointimal hyperplasia in vivo. Conversely, Ndufs2 overexpression enhanced the protective effect of bergenin. Moreover, Ndufs2 knockdown abrogated the effects of bergenin on the regulation of glucose metabolism in VSMCs. CONCLUSION These findings suggest that bergenin is effective in alleviating proliferative arterial diseases. The reversal of the Warburg-like glucose metabolism pattern in VSMCs during proliferation and phenotypic switching may underlie this therapeutic mechanism.
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Affiliation(s)
- Yujie Song
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Meng Deng
- Department of General Medicine, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Yufeng Qiu
- Department of General Medicine, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Yang Cui
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Bing Zhang
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Jialin Xin
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Lele Feng
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Xingdou Mu
- Department of General Medicine, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Jun Cui
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Hong Li
- Department of General Medicine, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China
| | - Yang Sun
- Department of General Medicine, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China.
| | - Wei Yi
- Department of Cardiovascular Surgery, Xijing Hospital, The Fourth Military Medical University, Xi'an 710000, China,.
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Silva-Neto OC, Felix CSA, de Oliveira Aguiar L, Dos Santos MB, Cunha S, David JM. Microwave extraction and molecular imprinted polymer isolation of bergenin applied to the dendrochronological chemical study of Peltophorum dubium. BMC Chem 2024; 18:13. [PMID: 38218834 PMCID: PMC10788031 DOI: 10.1186/s13065-024-01112-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 01/02/2024] [Indexed: 01/15/2024] Open
Abstract
This study describes methodologies for extracting and isolating bergenin, a C-glucoside of 4-O-methylgallic acid found in some plants and it presents various in vitro and in vivo biological activities. Bergenin was previously obtained from the Pelthophorum dubim (Fabaceae) roots with a good yield. Conventional chromatographic procedures of the CHCl3 soluble fraction of the MeOH extract gave 3.62% of this glucoside. An HPLC/DAD method was also developed and validated for bergenin and its precursor, gallic acid quantifications. Microwave extractions with different solvents were tested to optimize the extraction of bergenin, varying the temperature and time. MAE (Microwave Assisted Extraction) was more efficient than conventional extraction procedures, giving a higher yield of bergenin per root mass (0.45% vs. 0.0839%). Molecularly imprinted polymer (MIP) and non-imprinted polymer (NIP) based on bergenin as the template molecule, methacrylic acid, and ethylene glycol dimethacrylate were synthesized and characterized by FTIR and SEM (Scanning Electron Microscopy). Bergenin adsorption experiments using MIP and NIP followed by molecular imprinted solid phase extraction (MISPE) showed that MIP had a higher selectivity for bergenin than NIP. A dendrochronological study using the proposed method for detection and quantification of gallic acid and bergenin in five P. dubium growth rings of a 31-year-old heartwood and in the phelloderm and barks indicated that bergenin was more abundant in the 11-14th growth rings of the heartwood and decreased from the heartwood to the barks.
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Affiliation(s)
- Oscar Caetano Silva-Neto
- Instituto de Química, Universidade Federal da Bahia Campus Ondina, Salvador, BA, 40170280, Brazil
| | - Caio Silva Assis Felix
- Instituto de Química, Universidade Federal da Bahia Campus Ondina, Salvador, BA, 40170280, Brazil
| | | | | | - Silvio Cunha
- Instituto de Química, Universidade Federal da Bahia Campus Ondina, Salvador, BA, 40170280, Brazil
| | - Jorge Mauricio David
- Instituto de Química, Universidade Federal da Bahia Campus Ondina, Salvador, BA, 40170280, Brazil.
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Alanazi ST, Harisa GI, Salama SA. Modulating SIRT1, Nrf2, and NF-κB signaling pathways by bergenin ameliorates the cadmium-induced nephrotoxicity in rats. Chem Biol Interact 2024; 387:110797. [PMID: 37949422 DOI: 10.1016/j.cbi.2023.110797] [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: 09/03/2023] [Revised: 10/30/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023]
Abstract
In light of the current industrial evolution, exposure to cadmium has become a significant public health concern. Cadmium accumulates in the renal tubular cells and causes nephrotoxicity largely through disruption of the redox homeostasis, induction of inflammation, and suppression of the histone deacetylase SIRT1 expression. The current work aimed at exploring the protective capability of bergenin, a naturally-occurring methyl gallic acid derivative, against the cadmium-evoked nephrotoxicity. Male Wistar rats were treated either with cadmium alone or with cadmium and bergenin for a 7-day experimental period followed by collection of kidney and blood specimens that were subjected to biochemical, molecular, and histological investigations. The results revealed the ability of bergenin to improve the renal functions in the cadmium-intoxicated rats as evidenced by increased glomerular filtration rate, and decreased serum creatinine and blood urea nitrogen. Equally important, bergenin reduced the renal tissue injury and enhanced its redox homeostasis as indicated by decreased protein expression of the kidney injury marker KIM-1, reduced lipid peroxidation, and improved antioxidant potential and histopathological picture of the renal tissues. Mechanistically, bergenin reduced the renal tissue cadmium content, markedly up-regulated protein expression of SIRT1 that regulates inflammation and the redox status of the renal tissues. Additionally, it improved the expression of the major antioxidant transcription factor Nrf2 and its responsive gene products heoxygenase-1 and NAD(P)H quinone dehydrogenase 1 in the cadmium-intoxicated rats. In the same context, bergenin down-regulated the acetylation and the nuclear translocation of the inflammatory transcription factor NF-κB and reduced levels of its responsive gene products TNF-α and IL-1β, as well as the activity of the inflammatory cell infiltration biomarker myeloperoxidase. Collectively, the current study underscores the ameliorating activity of bergenin against the cadmium-evoked nephrotoxicity and highlights modulation of SIRT1, Nrf2, and NF-κB signaling as potential underlining molecular mechanisms.
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Affiliation(s)
- Samyah T Alanazi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, 11433, Saudi Arabia
| | - Gamaleldin I Harisa
- Kayyali Chair for Pharmaceutical Industries, Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia; Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Al-Azhar University, Cairo, 11751, Egypt.
| | - Samir A Salama
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, Al-Azhar University, Cairo, 11751, Egypt; Division of Biochemistry, Department of Pharmacology, College of Pharmacy, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
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Li X, Liang Q, Zhou L, Deng G, Xiao Y, Gan Y, Han S, Liao J, Wang R, Qing X, Li W. Survivin degradation by bergenin overcomes pemetrexed resistance. Cell Oncol (Dordr) 2023; 46:1837-1853. [PMID: 37542022 DOI: 10.1007/s13402-023-00850-5] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2023] [Indexed: 08/06/2023] Open
Abstract
PURPOSE Chemoresistance is a primary factor for treatment failure and tumor recurrence in non-small cell lung cancer (NSCLC) patients. The oncoprotein survivin is commonly upregulated in human malignancies and is associated with poor prognosis, but its effect on carcinogenesis and chemoresistance in NSCLC is not yet evident, and to explore an effective inhibitor targeting survivin expression is urgently needed. METHODS The protumor characteristics of survivin and antitumor activities of bergenin in NSCLC cells were examined by MTS, colony formation assays, immunoblot, immunohistochemistry, and in vivo xenograft development. RESULTS Survivin was upregulated in non-small cell lung cancer (NSCLC) tissues, while its depletion inhibited NSCLC tumorigenesis. The current study focused on bergenin, identifying its effective antitumor effect on NSCLC cells both in vivo and in vitro. The results showed that bergenin could inhibit cell proliferation and induce the intrinsic pathway of apoptosis via downregulating survivin. Mechanistically, bergenin reduced the phosphorylation of survivin via inhibiting the Akt/Wee1/CDK1 signaling pathway, thus resulting in enhanced interaction between survivin and E3 ligase Fbxl7 to promote survivin ubiquitination and degradation. Furthermore, bergenin promoted chemoresistance in NSCLC cells re-sensitized to pemetrexed treatment. CONCLUSIONS Survivin overexpression is required for maintaining multiple malignant phenotypes of NSCLC cells. Bergenin exerts a potent antitumor effect on NSCLC via targeting survivin, rendering it a promising agent for the treatment of NSCLC.
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Affiliation(s)
- Xiaoying Li
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, 410013, People's Republic of China
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Qi Liang
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, 410013, People's Republic of China
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Li Zhou
- Department of Pathology, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital of Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Gaoyan Deng
- Department of Thoracic Surgery, Hunan Chest Hospital, Changsha, Hunan, 410006, People's Republic of China
| | - Yeqing Xiao
- Department of Ultrasonography, Hunan Chest Hospital, Changsha, Hunan, 410006, People's Republic of China
| | - Yu Gan
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, 410013, People's Republic of China
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Shuangze Han
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, 410013, People's Republic of China
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430022, People's Republic of China
| | - Jinzhuang Liao
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, 410013, People's Republic of China
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Ruirui Wang
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, 410013, People's Republic of China
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China
| | - Xiang Qing
- Department of Otolaryngology Head and Neck Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China.
| | - Wei Li
- Department of Radiology, The Third Xiangya Hospital of Central South University, Changsha, Hunan, 410013, People's Republic of China.
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, People's Republic of China.
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Akhilesh, Chouhan D, Ummadisetty O, Verma N, Tiwari V. Bergenin ameliorates chemotherapy-induced neuropathic pain in rats by modulating TRPA1/TRPV1/NR2B signalling. Int Immunopharmacol 2023; 125:111100. [PMID: 38149571 DOI: 10.1016/j.intimp.2023.111100] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 08/30/2023] [Revised: 09/26/2023] [Accepted: 10/18/2023] [Indexed: 12/28/2023]
Abstract
Chemotherapy-induced neuropathic pain (CINP) is one of the most prominent and incapacitating complication associated with chemotherapeutic regimens. The exact mechanisms underlying CINP are not fully understood yet, which hampers the development of effective therapeutics. The current study has been designed to investigate the effect of bergenin on CINP and dissect the underlying cellular and molecular mechanisms. Behavioural responsiveness assays were conducted in rats before and after CINP induction and at different time points post-bergenin treatment. We also measured alterations in tight junction proteins, pro-inflammatory cytokines, microglia activity, transient receptor potential (TRP) channels (TRPV1, TRPA1 and TRPM8) and N-methyl-D-aspartate receptor subtype 2 (NR2B) in dorsal root ganglion (DRG) and spinal tissues of neuropathic rats. Bergenin treatment leads to a significant and dose-dependent reduction in evoked and spontaneous ongoing pain without causing central side effects in neuropathic rats. Furthermore, treatment with bergenin and gabapentin did not affect the baseline pain threshold in healthy, non-chemotherapy-treated rats, as evaluated through tail-flick and tail-clip assays. Chemotherapy administration leads to a significant activation of TRP channels, concurrent with microglial activation, disruption of spinal cord tight junction proteins, and subsequent infiltration of pro-inflammatory cytokines, as well as NR2B activation. Notably, bergenin treatment effectively reversed all of these alterations, with the exception of TRPM8, in both the DRG and spinal cord of neuropathic rats. Findings from the present study suggests that bergenin mitigates neuropathic pain by modulating the TRPA1/TRPV1/NR2B signalling and presents a promising therapeutic avenue for the treatment of chemotherapy-induced neuropathic pain.
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Affiliation(s)
- Akhilesh
- Neuroscience and Pain Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India
| | - Deepak Chouhan
- Neuroscience and Pain Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India
| | - Obulapathi Ummadisetty
- Neuroscience and Pain Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India
| | - Nivedita Verma
- Neuroscience and Pain Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India
| | - Vinod Tiwari
- Neuroscience and Pain Research Laboratory, Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh, India.
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Zhang L, Tong Y, Fang Y, Pei J, Wang Q, Li G. Exploring the hypolipidemic effects of bergenin from Saxifraga melanocentra Franch: mechanistic insights and potential for hyperlipidemia treatment. Lipids Health Dis 2023; 22:203. [PMID: 38001454 PMCID: PMC10668478 DOI: 10.1186/s12944-023-01973-2] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
OBJECTIVE The goal of this study was to explore the hypolipidemic effects of bergenin extracted from Saxifraga melanocentra Franch (S. melanocentra), which is a frequently utilized Tibetan medicinal plant known for its diverse bioactivities. Establishing a quality control system for black stem saxifrage is crucial to ensure the rational utilization of its medicinal resources. METHODS A one-step polyamide medium-pressure liquid chromatography technique was applied to isolate and prepare bergenin from a methanol extract of S. melanocentra. A zebrafish model of hyperlipidemia was used to investigate the potential hypolipidemic effects of bergenin. RESULTS The results revealed that bergenin exhibited substantial hypo efficacy in vivo. Specifically, bergenin significantly reduced the levels of triglycerides (TG), total cholesterol (TC), and low-density lipoprotein cholesterol (LDL-c) while simultaneously increasing high-density lipoprotein cholesterol (HDL-c) levels. At the molecular level, bergenin exerted its effects by inhibiting the expression of FASN, SREBF1, HMGCRα, RORα, LDLRα, IL-1β, and TNF while promoting the expression of IL-4 at the transcriptional level. Molecular docking analysis further demonstrated the strong binding affinity of bergenin to proteins such as FASN, SREBF1, HMGCRα, RORα, LDLRα, IL-4, IL-1β, and TNF. CONCLUSIONS Findings indicate that bergenin modulates lipid metabolism by regulating lipid and cholesterol synthesis as well as inflammatory responses through signaling pathways associated with FASN, SREBF1, and RORα. These results position bergenin as a potential candidate for the treatment of hyperlipidemia.
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Affiliation(s)
- Li Zhang
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, 810001, P. R. China
| | - Yingying Tong
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, 810001, P. R. China
- Center for Mitochondria and Healthy Aging, College of Life Sciences, Yantai University, Yantai, 264005, P. R. China
| | - Yan Fang
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, 810001, P. R. China
- Center for Mitochondria and Healthy Aging, College of Life Sciences, Yantai University, Yantai, 264005, P. R. China
| | - Jinjin Pei
- Qinba State Key Laboratory of biological resources and ecological environment, Province Key Laboratory of Bioresources, College of Bioscience and bioengineering, QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C, Shaanxi University of Technology, Hanzhong, 723001, Shaanxi, China
| | - Qilan Wang
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, 810001, P. R. China.
| | - Gang Li
- Center for Mitochondria and Healthy Aging, College of Life Sciences, Yantai University, Yantai, 264005, P. R. China.
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Quan Y, Su P, Shangguan C, Hao H, Yue L, Chen C. Bergenin ameliorates diabetic nephropathy in C57BL/6 J mice by TLR4/MyD88/NF-κB signalling pathway regulation. Toxicol Appl Pharmacol 2023; 475:116633. [PMID: 37482253 DOI: 10.1016/j.taap.2023.116633] [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: 05/05/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 07/25/2023]
Abstract
Bergenin (BG) is a polyphenolic substance which has therapeutic potential in the treatment of diabetic nephropathy (DN), a common complication of type II diabetes. However, the mechanisms underlying these effects remain unclear. We studied the protective effects and mechanisms of BG in DN mice, focusing on the TLR4/MyD88/NF-κB signalling pathway. C57BL/6 J mice were used as experiments (n=60), and 10 animals were randomly selected as normal control. The DN model was developed by administering an intraperitoneal injection of streptozotocin (40 mg/kg BW for three days) and a high-fat diet (n=50). BG (20, 40, and 80 mg/kg BW, once a day) was administered orally for four weeks. After BG treatment, the food and water intake of DN mice decreased, blood glucose levels decreased, and insulin resistance reduced. As a result, serum LDL-C, TC, and TG levels decreased; HDL-C levels increased; SOD, CAT, and GSH-Px levels decreased; and MDA levels increased. BG administration reduced AST, ALT, BUN, and CRE levels and inflammatory factors (including TNF-α, MCP-1, IL-1β, and IL-6). Histopathology revealed a significant improvement in pathological damage to the liver, kidney, and spleen of mice treated with BG, and TLR4, MyD88, and NF-κB p65 were down-regulated at both mRNA and protein levels in the BG-treated group. Based on these results, BG therapeutic type II DN by hypoglycaemia, improving liver and kidney function, and anti-oxidative stress; reducing inflammation; and inhibiting the TLR4/MyD88/NF-κB signalling pathway. The results of this study suggest that BG can be used as an effective treatment for type II DN.
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Affiliation(s)
- Yiheng Quan
- Chinese-German Joint Laboratory for Natural Product Research/Shaanxi Province Key Laboratory of Bio-Resources/QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C./Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Pengchao Su
- Chinese-German Joint Laboratory for Natural Product Research/Shaanxi Province Key Laboratory of Bio-Resources/QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C./Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Chenhong Shangguan
- Chinese-German Joint Laboratory for Natural Product Research/Shaanxi Province Key Laboratory of Bio-Resources/QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C./Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Hao Hao
- Chinese-German Joint Laboratory for Natural Product Research/Shaanxi Province Key Laboratory of Bio-Resources/QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C./Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Lijuan Yue
- Hanzhong Central Hospital, Hanzhong, Shaanxi 723000, China.
| | - Chen Chen
- Chinese-German Joint Laboratory for Natural Product Research/Shaanxi Province Key Laboratory of Bio-Resources/QinLing-Bashan Mountains Bioresources Comprehensive Development C. I. C./Qinba State Key Laboratory of Biological Resources and Ecological Environment, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China.
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11
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Yin Y, Xu R, Ning L, Yu Z. Bergenin alleviates Diabetic Retinopathy in STZ-induced rats. Appl Biochem Biotechnol 2023; 195:5299-5311. [PMID: 35622274 DOI: 10.1007/s12010-022-03949-x] [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: 12/31/2021] [Accepted: 05/02/2022] [Indexed: 11/02/2022]
Abstract
Diabetic retinopathy (DR) is the key cause of blindness and visual impairment in diabetes patients around the world. The high levels of oxidative stress in diabetes patients cause diabetic retinopathy. In addition to being an antioxidant, Bergenin also works as an immunosuppressant, an anti-inflammatory, and anticarcinogenic against hepatocarcinoma. This study examined the effects of Bergenin on diabetic retinopathy rats, using Streptozotocin (STZ) intraperitoneally to induce diabetes in rats. The animals were divided into four groups (n = 6), including a normal control (Group I), diabetic control (Group II), Bergenin (25 mg/kg) (Group III), and metformin (350 mg/kg) (Group IV). As previously mentioned, each animal received treatment for 60 days. To induce DR, rats were administered STZ (60 mg/kg) intraperitoneally for 60 days. Standard methods were utilized to measure the body weight of rats, blood glucose levels. We measured lipid profiles (Triglycerides, cholesterol, LDL, and HDL), inflammatory markers, and antioxidant levels with their respective kits. Analysis of retinal tissue morphometry and MMP-9, VEGF, and MCP-1 levels in serum was performed. Our research examined the expression levels of target genes (TNF-α, IL-1β, and IL-6) using RT-PCR analysis. STZ-induced animals that were treated with Bergenin had less food intake, lower blood glucose, and improved body weight. Bergenin significantly suppressed levels of pro-inflammatory cytokines, cholesterol, TG, LDL, AI, MMP-9, VEGF, and MCP-1 and increased the level of HDL and antioxidant enzymes in STZ-induced DR rats. As well as increasing antioxidant levels, reducing retinal thickness, and increasing cell numbers, Bergenin also lessened DR remarkably. The results of this study demonstrated that Bergenin effectively inhibited STZ-induced DR in rats.
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Affiliation(s)
- Yu Yin
- Department of Medical insurance, Central Hospital Affiliated to Shandong First Medical University, No. 105, Jiefang Road, Shandong Province, Jinan City, 250013, China
| | - Ruyi Xu
- Department of Medical insurance, Central Hospital Affiliated to Shandong First Medical University, No. 105, Jiefang Road, Shandong Province, Jinan City, 250013, China
| | - Lei Ning
- Department of Clinical Laboratory, Central Hospital Affiliated to Shandong First Medical University, No. 105, Jiefang Road, Shandong Province, Jinan City, 250013, China
| | - Zhimin Yu
- Department of Ophthalmology, Central Hospital Affiliated to Shandong First Medical University, No. 105, Jiefang Road, Shandong Province, Jinan City, 250013, China.
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12
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Li X, Xie L, Zhou L, Gan Y, Han S, Zhou Y, Qing X, Li W. Bergenin Inhibits Tumor Growth and Overcomes Radioresistance by Targeting Aerobic Glycolysis. Am J Chin Med 2023; 51:1905-1925. [PMID: 37646142 DOI: 10.1142/s0192415x23500842] [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] [Indexed: 09/01/2023]
Abstract
Hexokinase 2 (HK2), the first glycolytic rate-limiting enzyme, is closely correlated with the occurrence and progression of tumors. Effective therapeutic agents targeting HK2 are urgently needed. Bergenin has exhibited various pharmacological activities, such as antitumor properties. However, the effects of bergenin on the abnormal glucose metabolism of cancer cells are yet unclear. In this study, HK2 was overexpressed in OSCC tissues, and the depletion of HK2 inhibited the growth of OSCC cells in vitro and in vivo. Moreover, these results showed that the natural compound, bergenin, exerted a robust antitumor effect on OSCC cells. Bergenin inhibited cancer cell proliferation, suppressed glycolysis, and induced intrinsic apoptosis in OSCC cells by downregulating HK2. Notably, bergenin restored the antitumor efficacy of irradiation in the radioresistant OSCC cells. A mechanistic study revealed that bergenin upregulated the protein level of phosphatase and the tensin homolog deleted on chromosome 10 (PTEN) by enhancing the interaction between PTEN and ubiquitin-specific protease 13 (USP13) and stabilizing PTEN; this eventually inhibited AKT phosphorylation and HK2 expression. Bergenin was identified as a novel therapeutic agent against glycolysis to inhibit OSCC and overcome radioresistance. Targeting PTEN/AKT/HK2 signaling could be a promising option for clinical OSCC treatment.
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Affiliation(s)
- Xiaoying Li
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P. R. China
| | - Li Xie
- Department of Head and Neck Surgery, Hunan Cancer, Hospital/the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, P. R. China
| | - Li Zhou
- Department of Pathology, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital of Central South University, Changsha, Hunan 410008, P. R. China
| | - Yu Gan
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P. R. China
| | - Shuangze Han
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P. R. China
- Department of Ultrasound, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P. R. China
| | - Yuanfeng Zhou
- Department of Infectious Diseases, Taizhou Hospital, Affiliated Hospital of Wenzhou Medical University, Linhai, Taizhou 317000, P. R. China
| | - Xiang Qing
- Department of Otolaryngology Head and Neck Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P. R. China
| | - Wei Li
- Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P. R. China
- Cell Transplantation and Gene Therapy Institute, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, P. R. China
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Faiz S, Waseem D, Haq IU, Taqi MM, Mohsin SA, Irshad N, Phull AR, Fatima H. Comparative appraisal of in vitro biological profile and in vivo wound healing attributes of bergenin and Bergenia ciliata (Haw.) Sternb. J Ethnopharmacol 2023; 304:115993. [PMID: 36509257 DOI: 10.1016/j.jep.2022.115993] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 08/31/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE People of all ages experience injuries, whether mild or severe. The most available option to treat wounds as an alternative to allopathic care in both urban and rural populations is traditional medicine, which is mostly target inflammation. Bergenia ciliata (Haw.) Sternb rhizome and leaf powder are used in Ayurveda and local communities for various ailments including healing of wounds and burns. Owing to this property it is traditionally known as "Zakham-e-hayat" (wound healer). AIM OF THE STUDY In the present study, we compared biological activity and wound healing potential of B. ciliata rhizome (R) extract and bergenin, a glycoside isolated from B. ciliata. MATERIALS AND METHODS Reverse-phase high performance liquid chromatography (RP-HPLC) was performed to analyze polyphenols and bergenin in B. ciliata R extract. Samples were subjected to in vitro antioxidant assays including free radical scavenging, ferric chloride reducing power and total antioxidant capacity. Micro-broth dilution method, brine shrimp lethality assay and isolated RBC hemolysis assay were conducted to assess in vitro antibacterial and cytotoxic activities. Moreover, in vivo wound healing potential was determined by an excision wound model in mice. RESULTS RP-HPLC showed significant content of polyphenols and bergenin (6.05 ± 0.12 μg/mg) in B. ciliata R extract. Crude extract possesses higher overall antioxidant and antibacterial capacities than bergenin due to presence of multiple phytoconstituents in extract. Both samples showed low hemolytic activity indicating their safe profile. Furthermore, mice treated with B. ciliata R extract depicted substantial decrease in wound area (99.3%; p < 0.05) as compared to bergenin, which showed 88.8% of wound closure after 12 days of treatment. Additionally, both treatments reduced epithelization duration by 1.6- and 1.4-fold in B. ciliata R extract (12.0 ± 0.6 days) and bergenin (14.2 ± 0.8 days) treated mice, respectively. This was supported by histopathological examination that showed greater epithelization, fibroblast proliferation, collagen synthesis, and revascularization in mice treated with B. ciliata R. CONCLUSION Concisely, it is evident that B. ciliata R contains phytoconstituents in addition to bergenin, which potentiated wound healing activity of the extract. Hence, B. ciliata R is good source of compounds for treating wounds.
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Affiliation(s)
- Sidra Faiz
- Department of Pharmacy, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
| | - Durdana Waseem
- Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Jaffer Khan Jamali Road, H-8/4, Islamabad, Pakistan.
| | - Ihsan-Ul Haq
- Department of Pharmacy, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
| | | | | | - Nadeem Irshad
- Department of Pharmacy, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
| | - Abdul Rehman Phull
- Department of Biochemistry, Shah Abdul Latif University, Khairpur, 66020 Sindh, Pakistan.
| | - Humaira Fatima
- Department of Pharmacy, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
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Liu Y, Tan Y, Cao G, Shi L, Song Y, Shan W, Zhang M, Li P, Zhou H, Zhang B, Sun Y, Yi W. Bergenin alleviates myocardial ischemia-reperfusion injury via SIRT1 signaling. Biomed Pharmacother 2023; 158:114100. [PMID: 36538860 DOI: 10.1016/j.biopha.2022.114100] [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: 10/04/2022] [Revised: 11/25/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
Myocardial ischemia-reperfusion (MI/R) is a major risk factor for cardiovascular disease. At present, reducing oxidative stress and apoptosis is a crucial therapeutic strategy for ameliorating MI/R injury. However, there is a lack of drugs targeting oxidative stress and apoptosis for the clinical therapy of MI/R. Bergenin is a reportedly effective agent with antioxidative and antiapoptotic activity against acute injury. Nevertheless, the roles and potential mechanisms of bergenin against MI/R injury remain unknown. Here, we hypothesized that bergenin attenuated MI/R-induced apoptosis and reactive oxygen species (ROS) production via SIRT1. Mice were subjected to MI/R and treated with bergenin, after which the cardiac function, cardiomyocyte apoptosis, LDH release, and MDA content were evaluated. In vitro, myocardial injury model of H9c2 cells was induced by simulated ischemia/reperfusion (SI/R), apoptosis and oxidative stress was decreased after treated with bergenin. Bergenin significantly reduced myocardial apoptosis and ROS generation in vitro and improved cardiac function in vivo. Intriguingly, bergenin remarkably decreased apoptosis in cardiac tissue accompanied by SIRT1 upregulation following MI/R injury. Further studies showed that inhibiting SIRT1 blocked bergenin's beneficial impact against apoptosis following SI/R injury through excessive oxidative stress and depression of the Bcl2 to Bax ratio. Collectively, these findings indicate that bergenin alleviates MI/R injury by ameliorating myocardial apoptosis and oxidative damage via the SIRT1 signaling pathway.
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Affiliation(s)
- Yingying Liu
- College of Life Science, Northwest University, Xi'an 710069, China; Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Yanzhen Tan
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Guojie Cao
- Department of general medical, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Lei Shi
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Yujie Song
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Wenju Shan
- Department of general medical, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Miao Zhang
- Department of general medical, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Panpan Li
- Department of general medical, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Haitao Zhou
- Department of general medical, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Bing Zhang
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Yang Sun
- Department of general medical, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
| | - Wei Yi
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China.
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Latief U, Kaur M, Dar SH, Thakur S, Per TS, Tung GK, Jain SK. Preparation and Characterisation of Liposomes of Bergenia Ciliata Extract and Evaluation of their Hepatoprotective Activity. J Pharm Sci 2023; 112:328-335. [PMID: 35872024 DOI: 10.1016/j.xphs.2022.07.013] [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: 05/10/2022] [Revised: 07/18/2022] [Accepted: 07/18/2022] [Indexed: 12/24/2022]
Abstract
Acute liver damage (ALD) can cause biochemical and pathological changes, which can lead to major complications and even death. The goal of the study was to examine the therapeutic efficacy of liposomes of Bergenia ciliata extract against thioacetamide-induced liver damage in rats. Liposomal batches of B. ciliata extract were prepared by altering the kind and amount of phospholipids and characterized through various physiochemical properties such as laser diffraction, TEM, encapsulation efficiency, stability and in-vitro release studies. In-vivo hepatoprotective studies were performed on TAA-induced acute hepatic damage model. Further, in-silico studies of bergenin against the three hepatic damage markers viz. TGF-β1, TNF-α and interleukin-6 were also performed. Laser diffraction and TEM showed that most stable liposome batch of B. ciliata extract were in the range of 678-1170 nm with encapsulation efficiency of 84.3±3.5. Extract was found to be rapidly dissociated from B. ciliata liposomes in HCl than PBS, according to in-vitro release data. In-vivo data revealed a significant decline in LFT indicators, amelioration of pathological changes and high bergenin bioavailability in the liposomal group. Protective activity of bergenin against ALD targets like TGF-β1, TNF-α and interleukin-6 was anticipated via molecular docking research. As a result, the current findings of the study indicate that B. ciliata liposomes and bergenin have promising ameliorative potential in the management of ALD.
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Affiliation(s)
- Uzma Latief
- Centre for Basic and Translational Research in Health Sciences, Guru Nanak Dev University, Amritsar, 143005, India
| | - Manjot Kaur
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, 143005, India
| | - Sajad Hussain Dar
- Department of Chemistry, Jamia Millia Islamia, New Delhi, 110025, India
| | - Shubham Thakur
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, 143005, India
| | - Tasir Sharief Per
- Department of Botany, Govt. Degree College Doda, Jammu and Kashmir, 182202, India
| | - Gurleen Kaur Tung
- Centre for Basic and Translational Research in Health Sciences, Guru Nanak Dev University, Amritsar, 143005, India
| | - Subheet Kumar Jain
- Centre for Basic and Translational Research in Health Sciences, Guru Nanak Dev University, Amritsar, 143005, India; Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, 143005, India.
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Madaan R, Singla RK, Kumar S, Dubey AK, Kumar D, Sharma P, Bala R, Singla S, Shen B. Bergenin - a biologically active scaffold: Nanotechnological perspectives. Curr Top Med Chem 2021; 22:132-149. [PMID: 34649489 DOI: 10.2174/1568026621666211015092654] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [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: 03/17/2021] [Revised: 10/21/2021] [Accepted: 10/22/2021] [Indexed: 02/08/2023]
Abstract
Bergenin, 4-O-methyl gallic acid glucoside, is a bioactive compound present in various plants belonging to different families. The present work compiles scattered information on pharmacology, structure activity relationship and nanotechnological aspects of bergenin, collected from various electronic databases such as Sci Finder, PubMed, Google scholar, etc. Bergenin has been reported to exhibit hepatoprotective, anti-inflammatory, anticancer, neuroprotective, antiviral and antimicrobial activities. Molecular docking studies have shown that isocoumarin pharmacophore of bergenin is essential for its bioactivities. Bergenin holds a great potential to be used as lead molecule and also as a therapeutic agent for development of more efficacious and safer semisynthetic derivatives. Nanotechnological concepts can be employed to overcome poor bioavailability of bergenin. Finally, it is concluded that bergenin can be emerged as clinically potential medicine in modern therapeutics.
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Affiliation(s)
- Reecha Madaan
- Chitkara College of Pharmacy, Chitkara University Punjab. India
| | - Rajeev K Singla
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan. China
| | - Suresh Kumar
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala- Punjab. India
| | - Ankit Kumar Dubey
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai-600036, Tamil Nadu. India
| | - Dinesh Kumar
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai-600036, Tamil Nadu. India
| | - Pooja Sharma
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala- Punjab. India
| | - Rajni Bala
- Chitkara College of Pharmacy, Chitkara University Punjab. India
| | - Shailja Singla
- iGlobal Research and Publishing Foundation, New Delhi. India
| | - Bairong Shen
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan. China
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Lin H, Wang P, Zhang W, Yan H, Yu H, Yan L, Chen H, Xie M, Shan L. Novel Combined Preparation and Investigation of Bergenin-Loaded Albumin Nanoparticles for the Treatment of Acute Lung Injury: In Vitro and In Vivo Evaluations. Inflammation 2021; 45:428-444. [PMID: 34599707 DOI: 10.1007/s10753-021-01556-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 05/20/2021] [Accepted: 08/22/2021] [Indexed: 11/29/2022]
Abstract
A new method for targeting lung infections is of great interest using biodegradable nanoparticles. In this study, bergenin-loaded BSA NPs were developed against lung injury. Briefly, bergenin-loaded bovine serum albumin nanoparticles (BG@BSA NPs) were synthesized and characterized. HPLC recorded the major peak of bergenin. UV-Vis spectra had an absorbance at 376 nm. XRD revealed the presence of crystalline particles. FTIR confirmed the occurrence of functionalized molecules in the synthesized NPs. The particles were highly stable with a net negative charge of - 24.2. The morphology of NPs was determined by SEM and TEM. The mean particle size was 124.26 nm. The production of NO by NR8383 cells was decreased by BG@BSA NPs. Also, in mice, lipopolysaccharide-mediated acute lung inflammation was induced. BG@BSA NPs reduced macrophages and neutrophils in BALF and remarkably enhanced wet weight-to-dry weight (W/D) ratios and myeloperoxidase (MPO) activity. Further, BG@BSA NPs inhibited the production of inflammatory cells as well as tumor necrosis factor. The histopathological studies revealed that the damage and neutrophil infiltration were greatly inhibited by BG@BSA NPs. This indicates that BG@BSA NPs may be used to treat lung infections. Therefore, this study has given new insight into producing an active drug for the treatment of lung-associated diseases in the future.
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Affiliation(s)
- Hui Lin
- Department of Thoracic Surgery, First People's Hospital of Wenling, Wenling, 317500, People's Republic of China
| | - Pengfei Wang
- Department of Neurosurgery, The Kaifeng Central Hospital of Xinxiang Medical University, Kaifeng, 475000, People's Republic of China
| | - Wanhong Zhang
- Department of Neurosurgery, The Kaifeng Central Hospital of Xinxiang Medical University, Kaifeng, 475000, People's Republic of China
| | - Hongwang Yan
- Department of Thoracic Surgery, First People's Hospital of Wenling, Wenling, 317500, People's Republic of China
| | - Hongxi Yu
- Department of Thoracic Surgery, First People's Hospital of Wenling, Wenling, 317500, People's Republic of China
| | - Lingqiao Yan
- Pulmonary and Critical Care Medicine, First People's Hospital of Wenling, Wenling, 317500, People's Republic of China
| | - Hui Chen
- Pulmonary and Critical Care Medicine, First People's Hospital of Wenling, Wenling, 317500, People's Republic of China
| | - Mindan Xie
- Pulmonary and Critical Care Medicine, First People's Hospital of Wenling, Wenling, 317500, People's Republic of China.
| | - Liqun Shan
- Department of Thoracic Surgery, First People's Hospital of Wenling, Wenling, 317500, People's Republic of China
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Shal B, Khan A, Khan AU, Ullah R, Ali G, Islam SU, Haq IU, Ali H, Seo EK, Khan S. Alleviation of Memory Deficit by Bergenin via the Regulation of Reelin and Nrf-2/NF-κB Pathway in Transgenic Mouse Model. Int J Mol Sci 2021; 22:6603. [PMID: 34203049 PMCID: PMC8234641 DOI: 10.3390/ijms22126603] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [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: 05/05/2021] [Revised: 06/09/2021] [Accepted: 06/16/2021] [Indexed: 12/15/2022] Open
Abstract
The present study aims to determine the neuroprotective effect of Bergenin against spatial memory deficit associated with neurodegeneration. Preliminarily, the protective effect of Bergenin was observed against H2O2-induced oxidative stress in HT-22 and PC-12 cells. Further studies were performed in 5xFAD Tg mouse model by administering Bergenin (1, 30 and 60 mg/kg; orally), whereas Bergenin (60 mg/kg) significantly attenuated the memory deficit observed in the Y-maze and Morris water maze (MWM) test. Fourier transform-infrared (FT-IR) spectroscopy displayed restoration of lipids, proteins and their derivatives compared to the 5xFAD Tg mice group. The differential scanning calorimeter (DSC) suggested an absence of amyloid beta (Aβ) aggregation in Bergenin-treated mice. The immunohistochemistry (IHC) analysis suggested the neuroprotective effect of Bergenin by increasing Reelin signaling (Reelin/Dab-1) and attenuated Aβ (1-42) aggregation in hippocampal regions of mouse brains. Furthermore, IHC and western blot results suggested antioxidant (Keap-1/Nrf-2/HO-1), anti-inflammatory (TLR-4/NF-kB) and anti-apoptotic (Bcl-2/Bax/Caspase-3) effect of Bergenin. Moreover, a decrease in Annexin V/PI-stained hippocampal cells suggested its effect against neurodegeneration. The histopathological changes were reversed significantly by Bergenin. In addition, a remarkable increase in antioxidant level with suppression of pro-inflammatory cytokines, oxidative stress and nitric oxide production were observed in specific regions of the mouse brains.
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Affiliation(s)
- Bushra Shal
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; (B.S.); (A.K.); (A.U.K.)
| | - Adnan Khan
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; (B.S.); (A.K.); (A.U.K.)
| | - Ashraf Ullah Khan
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; (B.S.); (A.K.); (A.U.K.)
| | - Rahim Ullah
- Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan; (R.U.); (G.A.)
| | - Gowhar Ali
- Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan; (R.U.); (G.A.)
| | - Salman Ul Islam
- School of Life Sciences, College of Natural Sciences, Kyungpook National University, Daegu 41566, Korea;
| | - Ihsan ul Haq
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; (I.u.H.); (H.A.)
| | - Hussain Ali
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; (I.u.H.); (H.A.)
| | - Eun-Kyoung Seo
- College of Pharmacy, Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Korea
| | - Salman Khan
- Pharmacological Sciences Research Lab, Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan; (B.S.); (A.K.); (A.U.K.)
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Dang J, Ma J, Du Y, Dawa Y, Wang Q, Chen C, Wang Q, Tao Y, Ji T. Large-scale preparative isolation of bergenin standard substance from Saxifraga atrata using polyamide coupled with MCI GEL® CHP20P as stationary phases in medium pressure chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1170:122617. [PMID: 33713947 DOI: 10.1016/j.jchromb.2021.122617] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 09/27/2020] [Revised: 01/09/2021] [Accepted: 02/20/2021] [Indexed: 12/16/2022]
Abstract
In this study, polyamide and MCI GEL® CHP20P were employed as stationary phases in medium pressure chromatography (MPC) for the efficient preparative separation of bergenin from Saxifraga atrata. Ethanol-water, methanol-water, and acetonitrile-water mobile phases all showed good enrichment capacity for bergenin fraction when polyamide was used as a stationary phase. After 5 cycles of polyamide MPC using acetonitrile/water, 1.2 g of bergenin fraction was isolated from 180 g Saxifraga atrata herb. Further purification of this fraction was conducted using MCI GEL® CHP20P styrene-divinylbenzene beads. The bergenin fraction was separated into two fractions, and after three runs of MPC, 714.2 mg of bergenin with purity above 99% was obtained. The results demonstrate that the combination of polyamide and styrene-divinylbenzene MPC can be utilized for preparative isolation of compounds from natural products with high yield and purity.
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Affiliation(s)
- Jun Dang
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, Qinghai, China
| | - Jianbin Ma
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining 810008, Qinghai, China
| | - Yurong Du
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining 810008, Qinghai, China
| | - YangZom Dawa
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining 810008, Qinghai, China
| | - Qi Wang
- College of Pharmacy, Qinghai Nationalities University, Xining 810007, Qinghai, China
| | - Chengbiao Chen
- Qinghai Provincial Key Laboratory of Tibet Plateau Biodiversity Formation Mechanism and Comprehensive Utilization, College of Life Sciences, Qinghai Normal University, Xining 810008, Qinghai, China
| | - Qilan Wang
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, Qinghai, China
| | - Yanduo Tao
- Qinghai Provincial Key Laboratory of Tibetan Medicine Research, Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, Qinghai, China.
| | - Tengfei Ji
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
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Liu H, Nie J, Stephen Chan HC, Zhang H, Li L, Lin H, Tong HHY, Ma A, Zhou Z. Phase solubility diagrams and energy surface calculations support the solubility enhancement with low hygroscopicity of Bergenin: 4-Aminobenzamide (1: 1) cocrystal. Int J Pharm 2021; 601:120537. [PMID: 33781883 DOI: 10.1016/j.ijpharm.2021.120537] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 01/23/2021] [Revised: 03/08/2021] [Accepted: 03/22/2021] [Indexed: 01/22/2023]
Abstract
Herein, we reported a new bergenin: 4-aminobenzamide (BGN-4AM) cocrystal with significantly enhanced solubility and low hygroscopicity probed from two aspects such as phase solubility diagrams and theoretical calculations. Compared with anhydrous BGN, BGN-4AM solubilities in water and different buffer solutions (pH = 1.2, 4.5, 6.8) increase significantly. It is noted that BGN-4AM solubility in pH = 6.8 buffer solution presents 32.7 times higher than anhydrous BGN. Interestingly, BGN-4AM (0.31 ± 0.07%) showcases lower hygroscopicity than anhydrous BGN (9.31 ± 0.16%). The predicted and experimental solubilities agree with each other when considering solubility product (Ksp) and solution binding constant (K11) in phase solubility diagrams, indicating the solution complexes formation occurs. Further crystal surface-water interactions and Bravais, Friedel, Donnay-Harker (BFDH) analyses based on Density Functional Theory with dispersion correction (DFT-d) methods support the enhanced solubility. The water probe demonstrates an average interaction energy of -6.48 kcal/mol on the 002 plane of BGN-4AM, and only -5.47 kcal/mol on the 011 plane of BGN monohydrate. The lower lattice energy of BGN-4AM guarantees its lower hygroscopicity than BGN monohydrate. BGN-4AM with enhanced solubility and low hygroscopicity can be a potential candidate for further formulation development.
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Affiliation(s)
- Hongji Liu
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jinju Nie
- Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Shandong, 264000, China
| | - H C Stephen Chan
- Research Center for Computer-Aided Drug Discovery, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Hailu Zhang
- Laboratory of Magnetic Resonance Spectroscopy and Imaging, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Liang Li
- Department of Forensic Toxicological Analysis, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
| | - Hongqing Lin
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Henry H Y Tong
- School of Health Sciences, Macao Polytechnic Institute, Macao, China
| | - Ande Ma
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Zhengzheng Zhou
- Department of Hygiene Inspection & Quarantine Science, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong 510515, China.
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Krajka-Kuźniak V, Paluszczak J, Kleszcz R, Baer-Dubowska W. (+)-Usnic acid modulates the Nrf2-ARE pathway in FaDu hypopharyngeal carcinoma cells. Mol Cell Biochem 2021; 476:2539-2549. [PMID: 33635505 PMCID: PMC8119403 DOI: 10.1007/s11010-021-04092-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 08/18/2020] [Accepted: 01/29/2021] [Indexed: 11/24/2022]
Abstract
Naturally occurring phytochemicals of different origin and structure, arctigenin, bergenin, usnic acid and xanthohumol, were shown to affect Nrf2 pathway in the context of various diseases, but their effect on this pathway in cancer cells was not extensively investigated. This study aimed to evaluate the effect of these compounds on Nrf2 expression and activation in hypopharyngeal FaDu squamous cell carcinoma cells. FaDu cells were treated with 2 or 10 μM arctigenin, bergenin, (+)-usnic acid or xanthohumol for 24 h. While arctigenin, bergenin, and xanthohumol did not affect either Nrf2 expression or activation, (+)-usnic acid treatment increased its transcript level and increased the nuclear/cytosol Nrf2 protein ratio—the measure of Nrf2 pathway activation. Consequently, (+)-usnic acid enhanced the transcription and translation of Nrf2 target genes: NQO1, SOD, and to a lesser extent, GSTP. The treatment of FaDu cells with (+)-usnic acid decreased both GSK-3β transcript and protein level, indicating its possible involvement in Nrf2 activation. All the tested compounds decreased Bax mRNA but did not change the level of Bax protein. (+)-Usnic acid tended to increase the percentage of early apoptotic cells and LC3 protein, autophagy marker. Significant induction of p53 also was observed after treatment with (+)-usnic acid. In summary, the results of this study indicate that low concentrations of (+)-usnic acid activate Nrf2 transcription factor, most probably as a result of ROS accumulation, but do not lead to FaDu hypopharyngeal carcinoma cells death.
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Affiliation(s)
- Violetta Krajka-Kuźniak
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, Poznan, Poland.
| | - Jarosław Paluszczak
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, Poznan, Poland
| | - Robert Kleszcz
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, Poznan, Poland
| | - Wanda Baer-Dubowska
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, Poznan, Poland
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de Oliveira RT, Dos Santos Rolim CS, do Nascimento Rolim L, de Sousa Gomes ML, Martins GAS, de Castro LM, do Nascimento WM, Saraiva-Bonatto EC, de Cássia Saraiva Nunomura R, Lamarão CV, Zanotto SP. Endopleura uchi - A review about its nutritional compounds, biological activities and production market. Food Res Int 2021; 139:109884. [PMID: 33509472 DOI: 10.1016/j.foodres.2020.109884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 10/31/2020] [Accepted: 11/01/2020] [Indexed: 11/23/2022]
Abstract
Endopleura uchi (Huber) Cuatrec, known as uxi, is a native plant from the Amazon region, which has been used by locals for some pathology treatments. This review aimed to find the main uxi studies carried out in scientific literature. This compilation includes the biological activities that have been proven, parts of the plant that were exploited, as well as its nutritional properties. Uxi fruit has compounds, such as vitamins A and E, minerals, bioactive phenolic and organic acids, along with anti-inflammatory, antioxidant, antibacterial, antidiabetic, and anti-cholesterol actions. Some E. uchi extract activities have been reported, such as: α-glucosidase and cyclooxygenases (COX1/COX2) inhibitions, in addition to anti-bactericidal properties. The isocoumarin compound, bergenin is responsible for many of the reported biological activities of this species. E. uchi can be used for manufacturing products in food, pharmaceutical, and cosmetic industries, demonstrating its worth, regional economic growth, along the potential to dominate the worldwide market.
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Chen M, Chen C, Gao Y, Li D, Huang D, Chen Z, Zhao X, Huang Q, Wu D, Lai T, Su G, Wu B, Zhou B. Bergenin-activated SIRT1 inhibits TNF-α-induced proinflammatory response by blocking the NF-κB signaling pathway. Pulm Pharmacol Ther 2020; 62:101921. [PMID: 32615160 DOI: 10.1016/j.pupt.2020.101921] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 05/06/2020] [Accepted: 05/11/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Bergenin, a type of polyphenol compound, exhibits antiulcerogenic, anti-inflammatory, antitussive, and burn wound-healing properties. However, its therapeutic effect on tumor necrosis factor α (TNF-α)-induced proinflammatory responses in the airway and potential mechanisms of actions are still unclear. This study aimed to investigate the anti-inflammatory effects and mechanism of bergenin in TNF-α-stimulated human bronchial epithelial (16-HBE) cells. METHODS Cell Counting Kit-8 was used to evaluate cytotoxicity. Cytokine expression was analyzed by reverse transcription-quantitative PCR (RT-qPCR) and enzyme-linked immunosorbent assay. Immunofluorescence, western blot, and sirtuin-1 (SIRT1) activity assays were employed to investigate potential molecular mechanisms. RESULTS Bergenin obviously decreased both mRNA and protein expression levels of interleukins 6 and 8 (IL-6 and IL-8) in TNF-α-stimulated 16-HBE cells. Bergenin blocked TNF-α-mediated activation of nuclear factor κB (NF-κB) signaling and NF-κB nuclear translocation. Interestingly, RT-qPCR and western blotting results revealed that bergenin did not affect SIRT1 expression, but significantly increased its activity. Bergenin-mediated SIRT1 activation was further confirmed by results indicating decreased acetylation levels of NF-κB-p65 and p53. Moreover, the inhibitory effects of bergenin on mRNA and protein expression levels of IL-6 and IL-8 were reversed by a SIRT1 inhibitor. In addition, combining bergenin and dexamethasone (DEX) yielded additive effects on the reduction of IL-6 and IL-8 expression. CONCLUSIONS These findings demonstrate that bergenin could suppress TNF-α-induced proinflammatory responses by augmenting SIRT1 activity to block the NF-κB signaling pathway, which may provide beneficial effects for the treatment of airway inflammation associated with asthma.
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Affiliation(s)
- Min Chen
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Cuifen Chen
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Yun Gao
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Dongming Li
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Dan Huang
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Ziyu Chen
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Xuanna Zhao
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Qiu Huang
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Dong Wu
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Tianwen Lai
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Guomei Su
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Bin Wu
- Institute of Respiratory Diseases, Department of Respiratory, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
| | - Beixian Zhou
- Department of Pharmacy, The People's Hospital of Gaozhou, Gaozhou, Guangdong, 525200, PR China.
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Prabhakar PK, Singh K, Kabra D, Gupta J. Natural SIRT1 modifiers as promising therapeutic agents for improving diabetic wound healing. Phytomedicine 2020; 76:153252. [PMID: 32505916 DOI: 10.1016/j.phymed.2020.153252] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 04/14/2020] [Accepted: 05/23/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The occurrence of chronic wounds, account for significant suffering of diabetic people, together with increasing healthcare burden. The chronic wounds associated with diabetes do not undergo the normal healing process rather stagnate into chronic proinflammatory phase as well as declined fibroblast function and impaired cell migration. HYPOTHESIS SIRT1, which is the most studied isoform of the sirtuin family in mammals, has now emerged as a crucial target for improving diabetic wound healing. It is an NAD+ dependent deacetylase, originally characterized to deacetylate histone proteins leading to heterochromatin formation and gene silencing. It is now known to regulate a number of cellular processes like cell proliferation, division, senescence, apoptosis, DNA repair, and metabolism. METHODOLOGY The retrieval of potentially relevant studies was done by systematically searching of three databases (Google Scholar, Web of science and PubMed) in December 2019. The keywords used as search terms were related to SIRT1 and wound healing. The systematic search retrieved 649 papers that were potentially relevant and after selection procedure, 73 studies were included this review and discussed below. RESULTS Many SIRT1 activating compounds (SACs) were found protective and improve diabetic wound healing through regulation of inflammation, cell migration, oxidative stress response and formation of granulation tissue at the wound site. CONCLUSIONS However, contradictory reports describe the opposing role of SACs on the regulation of cell migration and cancer incidence. SACs are therefore subjected to intense research for understanding the mechanisms responsible for controlling cell migration and therefore possess prospective to enter the clinical arena in the foreseeable future.
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Affiliation(s)
- Pranav Kumar Prabhakar
- Department of Medical Laboratory Sciences, Lovely Professional University Punjab, India 144411
| | - Karmveer Singh
- Department of Dermatology and Allergic Diseases, Ulm University, Ulm, Germany
| | - Dhiraj Kabra
- Biological Research Pharmacology Department, Sun Pharma Advanced Research Company Limited, Vadodara, Gujarat, India, 390010
| | - Jeena Gupta
- Department of Biochemistry, Lovely Professional University Punjab, India 144411.
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de Sá Hyacienth BM, Sánchez-Ortiz BL, Picanço KRT, Pereira ACM, de Sá Hyacienth DC, de Souza GC, Rodrigues Sarquis RDSF, Aduanga GMG, Navarrete A, Carvalho JCT. Endopleura uchi (Huber) Cuatrec.: A medicinal plant for gynecological treatments - A reproductive toxicity assessment in zebrafish (Danio rerio). J Ethnopharmacol 2020; 250:112457. [PMID: 31811936 DOI: 10.1016/j.jep.2019.112457] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 03/18/2019] [Revised: 11/17/2019] [Accepted: 12/02/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Endopleura uchi (Huber) Cuatrec is a plant species from the Brazilian Amazon. The barks of this tree are used in folk medicine - mainly as a decoction - for dyslipidemia, uterine infection, fibroids, polycystic ovary, menstrual disorders, as a contraceptive and abortive agent, among others. However, the data available about its developmental toxicity are still insufficient. AIM OF THE STUDY This study aimed to evaluate the reproductive toxicity and teratogenic effects in embryos from zebrafish treated with the hydroethanolic extract from the barks of Endopleura uchi (EEu). MATERIALS AND METHODS Both sexes of zebrafish (Danio rerio) were treated with EEu either through immersion (1.2, 2.5, and 5 mg/L) or orally (75, 200, and 500 mg/kg) over 21 consecutive days. Next, we assessed their fertility and gonads' histopathology; in their embryos were assessed teratogenesis, lethalities, and heart rate during daily observations (24, 48, 72, and 96 hpf). RESULTS The phytochemical analysis of EEu through HPLC/MS shows bergenin as the major compounds. After 21 days of treatment were detected minor histopathological changes in parental fishes, such as atretic oocytes, interstitial fibrosis, and decreased the percentage of early vitellogenic oocytes, but without impairing the reproduction of treated animals. However, in the embryos was observed significantly increased frequency of malformation in all the groups treated through immersion, and in the group treated orally with the highest concentration (500 mg/kg). CONCLUSION Based on the results, EEu caused no adverse effects in the progenitors on both treatments (immersion and oral). However, it was observed that the concentrations 1.2, 2.5, and 5 mg/L (immersion), and the dose 500 mg/kg (oral) caused malformations in the offspring (F1 generation). These results emphasize the need for attention when using preparations from E. uchi, mainly for pregnant women. Further studies are needed to compare its effects with the extract's primary compound (bergenin).
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Affiliation(s)
- Beatriz Martins de Sá Hyacienth
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil; Programa de Pós-Graduação da Rede de Biodiversidade e Biotecnologia da Amazônia Legal, BIONORTE, Departamento de Ciências Biológicas e Saúde, Universidade Federal do Amapá, Macapá, AP, Brazil.
| | - Brenda Lorena Sánchez-Ortiz
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil; Laboratório de Farmacologia de Productos Naturales, Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, C.P. 04510, Ciudad de México, Mexico.
| | - Karyny Roberta Tavares Picanço
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil.
| | - Arlindo César Matias Pereira
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil.
| | - Danilo Cabral de Sá Hyacienth
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil.
| | - Gisele Custódio de Souza
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil.
| | - Rosângela do Socorro Ferreira Rodrigues Sarquis
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil; Programa de Pós-Graduação da Rede de Biodiversidade e Biotecnologia da Amazônia Legal, BIONORTE, Departamento de Ciências Biológicas e Saúde, Universidade Federal do Amapá, Macapá, AP, Brazil.
| | - Glória Melisa Gonzales Aduanga
- Laboratório de Farmacologia de Productos Naturales, Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, C.P. 04510, Ciudad de México, Mexico.
| | - Andrés Navarrete
- Laboratório de Farmacologia de Productos Naturales, Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, C.P. 04510, Ciudad de México, Mexico.
| | - José Carlos Tavares Carvalho
- Universidade Federal do Amapá, Laboratório de Pesquisa em Fármacos, Departamento de Ciências Biológicas e Saúde, Rua Juscelino Kubitschek, S/N, Campus Marco Zero, CEP 68903-419, Macapá, AP, Brazil; Programa de Pós-Graduação da Rede de Biodiversidade e Biotecnologia da Amazônia Legal, BIONORTE, Departamento de Ciências Biológicas e Saúde, Universidade Federal do Amapá, Macapá, AP, Brazil.
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Song MF, Zhang LX, Zhang Y, Guan YH, Li HT, Zhang ZL. Effects of genetic variation and environmental factors on bergenin in Rodgersia sambucifolia Hemsl. J Ethnopharmacol 2020; 247:112201. [PMID: 31499140 DOI: 10.1016/j.jep.2019.112201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 05/30/2019] [Revised: 08/26/2019] [Accepted: 08/27/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Bergenin is a well-known active compound that exhibits antioxidant, antiarrhythmic, hepatoprotective, and anti-inflammatory activities. However, the resource reserve of Rodgersia sambucifolia, one of the main raw materials for extracting bergenin, have sharply declined, and the bergenin content in different germplasms differs vastly, resulting in a serious shortage of the market supply of bergenin. AIM OF THE STUDY To investigate the influence of genetic diversity and environmental factors on bergenin content in Rodgersia sambucifolia. MATERIALS AND METHODS Fifty Rodgersia sambucifolia samples with a growth period of 2-3 years were collected from different areas across China and the bergenin content was determined via HPLC. Meanwhile the total genomic DNA was extracted and ISSR was performed. The bergenin content as measured using HPLC and the environmental data gathered from the meteorological stations and field work were combined and analyzed using correlation tests in XLSTAT 2018 to detect the key factors affecting bergenin content. The genetic UPGMA tree constructed based on genetic distances of the 50 samples and the chemical dendrogram constructed according to the distance between the bergenin content were compared to determine the correlation between genetic and chemical differentiation. RESULTS Among the 50 individuals, bergenin content varied from 2.83 to 12.54%, with the highest content being 4.43-fold that of the lowest content. The survey of the 50 individuals produced a total of 193 amplified bands, 187 of which were polymorphic (96.89%). In the study, bergenin content was positively correlated with annual mean temperature (AMT) (r = 0.583, P < 0.0001) and 1-12 month monthly mean temperature (MMT) (P < 0.0001). A comparison of the genetic dendrogram with the AHC dendrogram found no corresponding relationship between them. Mantel correlation analyses also showed that there was no significant correlation between them (r = 0.144). CONCLUSIONS There were large differences in bergenin content among different germplasms that were not correlated with the high genetic variation in Rodgersia sambucifolia but were significantly correlated with environmental factors, such as temperature. This study lays the foundation for subsequent superior germplasm selection and artificial breeding of Rodgersia sambucifolia to improve the bergenin content and meet market demands.
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Affiliation(s)
- Mei-Fang Song
- The Key Laboratory of Dai and Southern Medicine of Xishuangbanna Dai Autonomous Prefecture, Yunnan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Jinghong, 666100, China
| | - Li-Xia Zhang
- The Key Laboratory of Dai and Southern Medicine of Xishuangbanna Dai Autonomous Prefecture, Yunnan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Jinghong, 666100, China
| | - Yue Zhang
- The Key Laboratory of Dai and Southern Medicine of Xishuangbanna Dai Autonomous Prefecture, Yunnan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Jinghong, 666100, China
| | - Yan-Hong Guan
- The Key Laboratory of Dai and Southern Medicine of Xishuangbanna Dai Autonomous Prefecture, Yunnan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Jinghong, 666100, China
| | - Hai-Tai Li
- The Key Laboratory of Dai and Southern Medicine of Xishuangbanna Dai Autonomous Prefecture, Yunnan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Jinghong, 666100, China
| | - Zhong-Lian Zhang
- The Key Laboratory of Dai and Southern Medicine of Xishuangbanna Dai Autonomous Prefecture, Yunnan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Jinghong, 666100, China.
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de Sá Hyacienth BM, Tavares Picanço KR, Sánchez-Ortiz BL, Barros Silva L, Matias Pereira AC, Machado Góes LD, Sousa Borges R, Cardoso Ataíde R, dos Santos CBR, de Oliveira Carvalho H, Gonzalez Anduaga GM, Navarrete A, Tavares Carvalho JC. Hydroethanolic extract from Endopleura uchi (Huber) Cuatrecasas and its marker bergenin: Toxicological and pharmacokinetic studies in silico and in vivo on zebrafish. Toxicol Rep 2020; 7:217-232. [PMID: 32042599 PMCID: PMC6997909 DOI: 10.1016/j.toxrep.2020.01.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [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: 07/14/2019] [Revised: 01/24/2020] [Accepted: 01/26/2020] [Indexed: 02/07/2023] Open
Abstract
E. uchi stem bark hydroethanolic extract in zebrafish. Evaluating the in silico pharmacokinetic and toxicological parameters. Behavioral, biochemical and histopathological changes was dose dependent. In silico bergenin and its metabolites showed high intestinal absorption. Bergenin inhibited CYP2C9, CYP3A4 and CYP2C19.
Endopleura uchi, is used for the treatment of inflammatory disease and related to the female reproductive tract. The aim of this study was to evaluate the acute toxicity of the Endopleura uchi stem bark hydroethanolic extract (EEu) in zebrafish, emphasizing the histopathological and biochemical parameters, as well as evaluating the in silico pharmacokinetic and toxicological parameters of the phytochemical/pharmacological marker, bergenin, as their metabolites. The animals were orally treated with EEu at a single dose of 75 mg/kg, 500 mg/kg, 1000 mg/kg and 3000 mg/kg. the oral LD50 of the EEu higher to the dose of 3000 mg/kg. Behavioral, biochemical and histopathological changes were dose dependent. In silico pharmacokinetic predictions for bergenin and its metabolites showed moderate absorption in high human intestinal absorption (HIA) and Caco-2 models, reduced plasma protein binding, by low brain tissue binding and no P-glycoprotein (P-Gp) inhibition. Their metabolism is defined by the CYP450 enzyme, in addition to bergenin inhibition of CYP2C9, CYP3A4 and CYP2C19. In the bergenin and its metabolites in silico toxicity test it have been shown to cause carcinogenicity and a greater involvement of the bergenin with the CYP enzymes in the I and II hepatic and renal metabolism’s phases was observed. It is possible to suggest that the histopathological damages are involved with the interaction of this major compound and its metabolites at the level of the cellular-biochemical mechanisms which involve the absorption, metabolization and excretion of these possible prodrug and drug.
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Key Words
- ALT, Alanine aminotransferase
- AST, Aspartate aminotransferase
- BBB, Brain-blood partition coefficient (C.brain/C.blood)
- Bergenin
- Biotrasformation
- EEu, Endopleura uchi stem bark hydroethanolic extract
- Endopleura uchi
- HAI, Index of Histopathological Changes
- HBA, Hydrogen bonding acceptors
- HBD, Hydrogen bonding donors
- HIA, Human intestinal absorption
- Hepatoxity
- IAN, Regional Herbarium of the Eastern Amazonian Embrapa
- MM, Molecular mass
- Nephrotoxity
- P-Gp, P-glycoprotein
- PPB, Plasma protein binding
- Toxicology
- hERG, ether-a-go-related human gene
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Affiliation(s)
- Beatriz Martins de Sá Hyacienth
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
- Postgraduate Program in Biodiversity and Biotechnology of the Legal Amazon of the BIONORTE Network, Department of Biological Sciences and Health, Federal University of Amapá, Macapá, AP, Brazil
| | - Karyny Roberta Tavares Picanço
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Brenda Lorena Sánchez-Ortiz
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
- Laboratory of Natural Product Pharmacology, Department of Pharmacy, Faculty of Chemistry, National Autonomous University of Mexico, University City, Coyoacán, Zip Code 04510 Mexico City, Mexico
| | - Luciane Barros Silva
- Federal University of Amapá, Laboratory of Modeling and Computational Chemistry, Department of Biological Sciences and Health, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Arlindo César Matias Pereira
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Larissa Daniele Machado Góes
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Raphaelle Sousa Borges
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Rodrigo Cardoso Ataíde
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Cleydson Breno Rodrigues dos Santos
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
- Federal University of Amapá, Laboratory of Modeling and Computational Chemistry, Department of Biological Sciences and Health, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Helison de Oliveira Carvalho
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
| | - Gloria Melisa Gonzalez Anduaga
- Laboratory of Natural Product Pharmacology, Department of Pharmacy, Faculty of Chemistry, National Autonomous University of Mexico, University City, Coyoacán, Zip Code 04510 Mexico City, Mexico
| | - Andrés Navarrete
- Laboratory of Natural Product Pharmacology, Department of Pharmacy, Faculty of Chemistry, National Autonomous University of Mexico, University City, Coyoacán, Zip Code 04510 Mexico City, Mexico
| | - José Carlos Tavares Carvalho
- Laboratory of Pharmaceutical Research, Department of Biological Sciences and Health, Federal University of Amapá, Juscelino Kubitschek Street, Marco Zero Campus, Zip Code 68903-419, Macapá, AP, Brazil
- Postgraduate Program in Biodiversity and Biotechnology of the Legal Amazon of the BIONORTE Network, Department of Biological Sciences and Health, Federal University of Amapá, Macapá, AP, Brazil
- Corresponding author.
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Xiang S, Chen K, Xu L, Wang T, Guo C. Bergenin Exerts Hepatoprotective Effects by Inhibiting the Release of Inflammatory Factors, Apoptosis and Autophagy via the PPAR-γ Pathway. Drug Des Devel Ther 2020; 14:129-143. [PMID: 32021098 PMCID: PMC6970010 DOI: 10.2147/dddt.s229063] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 01/06/2020] [Indexed: 12/16/2022]
Abstract
Objective Hepatic ischemia reperfusion (IR) limits the development of liver transplantation technology. The aim of this study was to explore the protective effects of Bergenin on hepatic IR, particularly the elimination of reactive oxygen species (ROS) and activation of the peroxisome proliferators activated receptor γ (PPAR-γ) pathway. Methods Initial experiments were performed to confirm the non-toxicity of Bergenin. Mice were randomly divided into sham, IR, and IR + Bergenin (10, 20 and 40 mg/kg) groups, and serum and tissue samples were obtained at 2, 8 and 24 h for detection of liver enzymes (ALT and AST), inflammatory factors (TNF-α, IL-6 and IL-1β), ROS, cell death markers (Bcl-2, Bax, Beclin-1 and LC3) and related important pathways (PPAR-γ, P38 MAPK, NF-κB p65 and JAK2/STAT1). Results Bergenin reduced the release of ROS, down-regulated inflammatory factors, and inhibited apoptosis and autophagy. Additionally, expression of PPAR-γ-related genes was increased and phosphorylation of P38 MAPK, NF-κB p65 and JAK2/STAT1-related proteins was decreased in Bergenin pre-treatment groups in a dose-dependent manner. Conclusion Bergenin exerts hepatic protection by eliminating ROS, affecting the release of inflammatory factors, and influencing apoptosis- and autophagy-related genes via the PPAR-γ pathway in this model of hepatic IR injury.
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Affiliation(s)
- Shihao Xiang
- Medical College of Soochow University, Suzhou, 215006, People's Republic of China
| | - Kan Chen
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
| | - Ling Xu
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, People's Republic of China
| | - Ting Wang
- Department of Gastroenterology, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, People's Republic of China
| | - Chuanyong Guo
- Medical College of Soochow University, Suzhou, 215006, People's Republic of China.,Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
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Qiao S, Liu R, Lv C, Miao Y, Yue M, Tao Y, Wei Z, Xia Y, Dai Y. Bergenin impedes the generation of extracellular matrix in glomerular mesangial cells and ameliorates diabetic nephropathy in mice by inhibiting oxidative stress via the mTOR/β-TrcP/Nrf2 pathway. Free Radic Biol Med 2019; 145:118-135. [PMID: 31494242 DOI: 10.1016/j.freeradbiomed.2019.09.003] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/30/2019] [Accepted: 09/03/2019] [Indexed: 02/06/2023]
Abstract
Bergenin, a plant polyphenol, has been reported to lower the blood glucose level and ameliorate kidney function in streptozotocin (STZ)-induced diabetic rats. Herein, its protective effect on diabetic nephropathy (DN) was explored in view of extracellular matrix (ECM) generation in glomerular mesangial cells. Glomerular mesangial cells were treated with high glucose, and Q-PCR as well as western blot were used to determine the expression of ECM. To establish the participation and role of mammalian target of rapamycin (mTOR) and nuclear factor erythroid-derived 2-related factor 2 (Nrf2) in ECM generation, a combination of l-leucine (activator of mTOR) and Nrf2 shRNA transfection were performed, respectively. Moreover, a DN model was established in mice using high-glucose/high-fat diet and STZ. Bergenin impeded the generation of TGF-β1 and ECM, decreased the levels of intracellular superoxide anion and hydrogen peroxide, and increased the activity of antioxidant enzymes in the glomerular mesangial cells (HBZY-1 and HRMC cells) treated with high glucose. The inhibition of ECM generation by bergenin was dependent on the down-regulation of oxidative stress as confirmed via a superoxide overexpression system. The activation of Nrf2 was required for bergenin to inhibit the oxidative stress and ECM generation. Moreover, bergenin was found to inhibit the phosphorylation of mTOR, which is located at the upstream of Nrf2. Bergenin did not interfere with the expression of Nrf2 mRNA and Keap1 (the classic degradation control factor of Nrf2), but markedly inhibited the protein expression of the β-TrcP, an effect which could be abolished by l-leucine. In DN model mice, l-leucine diminished the ability of bergenin to reduce the levels of superoxide anion, hydrogen peroxide and ECM, which contributed to the eradication of the ameliorative effect of bergenin on nephropathy. Bergenin can inhibit glucose-induced ECM production in glomerular mesangial cells through the down-regulation of oxidative stress via the mTOR/β-TrcP/Nrf2 pathway, and it might be a candidate drug for the prevention and treatment of DN.
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Affiliation(s)
- Simiao Qiao
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Rui Liu
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Changjun Lv
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Yumeng Miao
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Mengfan Yue
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Yu Tao
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Zhifeng Wei
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China
| | - Yufeng Xia
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China.
| | - Yue Dai
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, 210009, China.
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Suh KS, Chon S, Jung WW, Choi EM. Effect of bergenin on RANKL-induced osteoclast differentiation in the presence of methylglyoxal. Toxicol In Vitro 2019; 61:104613. [PMID: 31369791 DOI: 10.1016/j.tiv.2019.104613] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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: 01/02/2019] [Revised: 07/06/2019] [Accepted: 07/28/2019] [Indexed: 12/12/2022]
Abstract
Methylglyoxal (MG), a highly reactive dicarbonyl compound, is a major precursor in the formation of advanced glycation end products, which are associated with diabetes-related diseases. Bergenin, an active constituent of plants of the genus Bergenia, exhibits multiple biological activities. This study evaluated the effect of bergenin on osteoclast differentiation and determined its mechanism of action. Bergenin reversed MG-inhibited tartrate-resistant acid phosphatase (TRAP) activity and decreased the bone resorption activity of osteoclasts. Quantitative RT-PCR revealed that bergenin decreased the expression of ERK1, Akt2, MMP-9, and OSTM1 genes in the presence of MG. Bergenin pretreatment yielded significant increases in intracellular calcium concentration, mitochondrial mass, mitochondrial membrane potential, and glyoxalase I reduced by MG. Additionally, bergenin decreased the formation of mitochondrial superoxide induced by MG. Detoxification of MG by bergenin may be a viable treatment for bone disorders in patients with diabetes.
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Affiliation(s)
- Kwang Sik Suh
- Department of Endocrinology & Metabolism, School of Medicine, Kyung Hee University, 1, Hoegi-dong, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Suk Chon
- Department of Endocrinology & Metabolism, School of Medicine, Kyung Hee University, 1, Hoegi-dong, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Woon-Won Jung
- Department of Biomedical Laboratory Science, College of Health Sciences, Cheongju University, Cheongju, Chungbuk 28503, Republic of Korea
| | - Eun Mi Choi
- Department of Endocrinology & Metabolism, School of Medicine, Kyung Hee University, 1, Hoegi-dong, Dongdaemun-gu, Seoul 02447, Republic of Korea.
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Pavan Kumar P, Siva B, Venkateswara Rao B, Dileep Kumar G, Lakshma Nayak V, Nishant Jain S, Tiwari AK, Purushotham U, Venkata Rao C, Suresh Babu K. Synthesis and biological evaluation of bergenin-1,2,3-triazole hybrids as novel class of anti-mitotic agents. Bioorg Chem 2019; 91:103161. [PMID: 31387060 DOI: 10.1016/j.bioorg.2019.103161] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [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: 04/26/2019] [Revised: 07/26/2019] [Accepted: 07/27/2019] [Indexed: 11/29/2022]
Abstract
In continuation of our investigation of pharmacologically-motivated natural products, we have isolated bergenin (1) as a major compound from Mallotus philippensis, which is deployed in different Indian traditional systems of medicine. Here, a series of bergenin-1,2,3-triazole hybrids were synthesized and evaluated for their potentials against a panel of cancer cell lines. Several of the hybrid derivatives were found more potent in comparison to parent compound bergenin (1). Among them, 4j demonstrated potent activity against A-549 and HeLa cell lines with IC50 values of 1.86 µM and 1.33 μM, respectively, and was equipotent to doxorubicin. Cell cycle analysis showed that 4j arrested HeLa cells at G2/M phase and lead to accumulation of Cyclin B1 protein. Cell based tubulin polymerization assays and docking studies demonstrated that 4j disrupts tubulin assembly by occupying colchicine binding pocket of tubulin.
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Affiliation(s)
- P Pavan Kumar
- Centre for Natural Products & Traditional Knowledge, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Bandi Siva
- Centre for Natural Products & Traditional Knowledge, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - Banoth Venkateswara Rao
- Centre for Natural Products & Traditional Knowledge, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - G Dileep Kumar
- Centre for Natural Products & Traditional Knowledge, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | - V Lakshma Nayak
- Division of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500607, India
| | - S Nishant Jain
- Division of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500607, India
| | - Ashok K Tiwari
- Centre for Natural Products & Traditional Knowledge, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India
| | | | - C Venkata Rao
- Department of Chemistry, Sri Venkateswara University, Tirupati 517502, India
| | - K Suresh Babu
- Centre for Natural Products & Traditional Knowledge, CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India.
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Hou W, Ye C, Chen M, Li W, Gao X, He R, Zheng Q, Zhang W. Bergenin Activates SIRT1 as a Novel Therapeutic Agent for Osteogenesis of Bone Mesenchymal Stem Cells. Front Pharmacol 2019; 10:618. [PMID: 31258473 PMCID: PMC6586741 DOI: 10.3389/fphar.2019.00618] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [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: 10/25/2018] [Accepted: 05/15/2019] [Indexed: 01/18/2023] Open
Abstract
Bone mesenchymal stem cells (BMSCs) are important candidates for bone regeneration. The role of Bergenin, a C-glucoside of 4-O-methyl gallic acid obtained from the species, Bergenia, in BMSC osteogenesis has not yet been elucidated. We therefore investigated the effects of Bergenin on the osteogenesis of BMSCs and found that Bergenin enhanced osteoblast-specific markers and downregulated the adipocyte-specific markers in vitro. Furthermore, using a rat calvarial defect model, we found that Bergenin significantly improved bone healing, as determined by imaging and histological analyses. Moreover, it also upregulated SIRT1 expression. A SIRT1 inhibitor (EX 527) decreased the enhanced bone mineral formation caused by Bergenin. Taken together, these findings show that Bergenin accelerated the osteogenic differentiation of BMSCs, at least partly through the activation of SIRT1.
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Affiliation(s)
- Weiduo Hou
- Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Research institute of Orthopaedics, Zhejiang University, Hangzhou, China
| | - Chenyi Ye
- Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Research institute of Orthopaedics, Zhejiang University, Hangzhou, China
| | - Mo Chen
- Department of Rheumatology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Weixu Li
- Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Research institute of Orthopaedics, Zhejiang University, Hangzhou, China
| | - Xiang Gao
- Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Research institute of Orthopaedics, Zhejiang University, Hangzhou, China
| | - Rongxin He
- Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Research institute of Orthopaedics, Zhejiang University, Hangzhou, China
| | - Qiang Zheng
- Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Research institute of Orthopaedics, Zhejiang University, Hangzhou, China
| | - Wei Zhang
- Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Research institute of Orthopaedics, Zhejiang University, Hangzhou, China
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Hussain A, Alam P, Siddiqui NA, Alajmi MF, Rehman MT, Kalam MA, Al-Rehaily AJ. Development and validation of UPLC-PDA method for concurrent analysis of bergenin and menisdaurin in aerial parts of Flueggea virosa (Roxb. ex Willd.). Saudi Pharm J 2018; 26:970-6. [PMID: 30416355 DOI: 10.1016/j.jsps.2018.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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: 02/27/2018] [Accepted: 05/21/2018] [Indexed: 11/24/2022] Open
Abstract
Bergenin and menisdaurin are biologically active components which are found in plant Flueggea virosa (Phyllanthaceae). Bergenin has pharmacological actions such as chemopreventive and antihepatotoxic while menisdaurin has an anti-viral activity which needs its evaluation by an analytical method (UPLC-PDA method) that can be applied to the quality control of pharmaceutical preparations. The developed UPLC-PDA method was applied for identification and quantification of standards bergenin and menisdaurin in the methanol extract of F. virosa (FVME). The analysis was carried out using Eclipse C18 (4.6 × 100 mm, 3.5 µm) UPLC column. The optimized chromatographic condition was achieved at 0.16 mL/min flow rate using gradient system with acetonitrile and water as mobile phase. Both biomarkers were measured at λmax 235 nm in PDA detector at ambient temperature. The developed method furnished sharp and intense peaks of menisdaurin and bergenin at Rt = 2.723 and 3.068 min, respectively along with r2 > 0.99 for both. The recoveries of bergenin and menisdaurin were found in the range of 99.37–101.49% and 98.20–100.08%, respectively. With other validation data, including precision, specificity, accuracy, and robustness, this method demonstrated excellent reliability and sensitivity. The separation parameters i.e. retention, separation, and resolution factors for resolved standards (bergenin and menisdaurin) were >1, which showed good separation. The quantity of bergenin and menisdaurin in the FVME sample was found as 15.16 and 3.28% w/w, respectively. The developed UPLC-PDA method could be conveniently adopted for the routine quality control analysis.
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Lopes de Oliveira GA, Alarcón de la Lastra C, Rosillo MÁ, Castejon Martinez ML, Sánchez-Hidalgo M, Rolim Medeiros JV, Villegas I. Preventive effect of bergenin against the development of TNBS-induced acute colitis in rats is associated with inflammatory mediators inhibition and NLRP3/ASC inflammasome signaling pathways. Chem Biol Interact 2018; 297:25-33. [PMID: 30365937 DOI: 10.1016/j.cbi.2018.10.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 10/01/2018] [Accepted: 10/22/2018] [Indexed: 01/09/2023]
Abstract
Ulcerative colitis is an idiopathic inflammatory bowel disease characterized by intestinal inflammation; blocking this inflammatory process may be the key to the development of new naturally occurring anti-inflammatory drugs, with greater efficiency and lower side effects. The objective of this study is to explore the effects of bergenin (BG) in TNBS (2,4,6-trinitrobenzenesulfonic acid)-induced acute colitis model in rats in order to assist in the studies for the development of novel natural product therapies for inflammatory bowel disease. 48 Wistar rats were randomized into six groups: (i) Control and (ii) TNBS control; (iii) 5-ASA 100 mg/kg/day (iv) BG 12 mg/kg/day (v) BG 25 mg/kg/day and (vi) BG 50 mg/kg/day. Colitis was induced by instillation of TNBS. Colitis was evaluated by an independent observer who was blinded to the treatment. Our results revealed that bergenin decreased the macroscopic and microscopic damage signs of colitis, and reduced the degree of neutrophilic infiltration in the colon tissue; also, it was capable to down-regulate COX-2, iNOS, IkB-α, and pSTAT3 protein expression. Similarly, using a protocol for indirect ELISA quantification of cytokines, bergenin treatment reduced IL-1β, IFN-γ and IL-10 levels, and inhibited both canonical (IL-1) and non-canonical (IL-11) NLRP3/ASC inflammasome signaling pathways in TNBS-induced acute colitis. Conclusion: Our study has provided evidence that administration of bergenin reduced the damage caused by TNBS in an experimental model of acute colitis in rats, reduced levels of pro-inflammatory proteins and cytokines probably by modulation of pSTAT3 and NF-κB signaling and blocking canonical and non-canonical NLRP3/ASC inflammasome pathways.
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Affiliation(s)
- Guilherme Antônio Lopes de Oliveira
- Postgraduate Program in Biotechnology, Northeast Biotechnology Network (RENORBIO) Federal University of Piauí, São Sebastião Street 2819, 64202-020, Parnaíba, PI, Brazil
| | - Catalina Alarcón de la Lastra
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012, Seville, Spain
| | - Maria Ángeles Rosillo
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012, Seville, Spain
| | - Maria Luisa Castejon Martinez
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012, Seville, Spain
| | - Marina Sánchez-Hidalgo
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012, Seville, Spain
| | - Jand Venes Rolim Medeiros
- Postgraduate Program in Biotechnology, Northeast Biotechnology Network (RENORBIO) Federal University of Piauí, São Sebastião Street 2819, 64202-020, Parnaíba, PI, Brazil.
| | - Isabel Villegas
- Department of Pharmacology, Faculty of Pharmacy, University of Seville, Profesor García González Street 2, 41012, Seville, Spain.
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Jayakody RS, Wijewardhane P, Herath C, Perera S. Bergenin: a computationally proven promising scaffold for novel galectin-3 inhibitors. J Mol Model 2018; 24:302. [PMID: 30276553 DOI: 10.1007/s00894-018-3831-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 09/13/2018] [Indexed: 10/28/2022]
Abstract
Bergenin is a C-glycoside of 4-O-methylgallic acid that is isolated from medicinal plants such as Flueggea leucopyrus, Bergenia crassifolia, Mallotus philippensis, Corylopsis spicata, Caesalpinia digyna, Mallotus japonicus, and Sacoglottis gabonensis. Even though there appears to be ample evidence from South Asian traditional medicine that bergenin possesses strong anticancer activity, no comprehensive scientific study has been carried out to test its anticancer potency. Therefore, in this study, the potential mechanisms of action for bergenin's postulated anticancer activity were examined using computational techniques. Firstly, bergenin was tested for its toxicity as a drug candidate using in silico toxicity analysis. It was found that bergenin is nontoxic according to modern toxicity measures. The optimized structure of bergenin was obtained at the DFT-B3LYP/6-31G(d) level of theory. Potential biological targets of bergenin were identified using reverse docking calculations. Reverse docking results suggested that galectin-3 is a potential target of bergenin. Gelectin-3 is an enzyme that plays a major role in cell-cell adhesion, cell-matrix interactions, macrophage activation, angiogenesis, metastasis, and apoptosis in cancer, making it a popular target in anticancer drug design. Among the many potential biological targets predicted by reverse docking calculations, galectin-3 was selected as it complies with the primary objective of this study. The binding of bergenin to galectin-3 was studied by conventional forward docking calculations. Classical molecular dynamics (MD) simulations were used to study the stability of the galectin-3:bergenin complex. Docking calculations indicated that bergenin has the potential to effectively bind to the carbohydrate recognition domain (CRD) of galectin-3. As well as electrostatic and van der Waals interactions, a few strong hydrogen bonds were found to be involved in the binding of bergenin to galectin-3. There is also a plausible π-stacking interaction between the aromatic moiety of bergenin and the His158 residue at the binding site. A 50-ns MD simulation was carried out for the bergenin:galectin-3 complex in a cubic water box with periodic boundary conditions. The MD results showed that the bergenin:galectin-3 complex is highly stable and confirmed the veracity of the docking results, which suggested that bergenin potentially exerts an inhibitory effect on galectin-3. This study therefore sheds new light on the anticancer activity of bergenin and demonstrates that bergenin could potentially be used to develop more potent galectin-3 inhibitors. The study also provides scientific evidence supporting the use of bergenin-containing plants in cancer treatments in Eastern traditional medicine. Graphical abstract Bergenin in the galectin-3 binding site.
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Barai P, Raval N, Acharya S, Borisa A, Bhatt H, Acharya N. Neuroprotective effects of bergenin in Alzheimer's disease: Investigation through molecular docking, in vitro and in vivo studies. Behav Brain Res 2018; 356:18-40. [PMID: 30118774 DOI: 10.1016/j.bbr.2018.08.010] [Citation(s) in RCA: 44] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/20/2018] [Accepted: 08/11/2018] [Indexed: 12/19/2022]
Abstract
Alzheimer's disease (AD) is an enervating and chronic progressive neurodegenerative disorder, occurring frequently in the elderly and adversely affecting intellectual capabilities and the cognitive processes. Bergenin possesses efficacious antioxidant, antiulcerogenic, anti-HIV, hepatoprotective, neuroprotective, anti-inflammatory and immunomodulatory activity along with antinociceptive effect and wound healing properties. Previous studies have shown that bergenin has in vitro bovine adrenal tyrosine hydroxylase inhibitory activity, mushroom tyrosinase inhibitory activities, β-secretase (BACE-1) enzyme inhibitory activity and prevented neuronal death in the primary culture of rat cortical neurons. Protein tyrosine phosphatase-1B (PTP1B) is an intriguing target for anticancer and antidiabetic drugs and has recently been implicated to act as a positive regulator of neuroinflammation. Bergenin is also found to inhibit human protein tyrosine phosphatase-1B (hPTP1B) in vitro. Thus, bergenin was screened by molecular docking study using GOLD suite (version 5.2), CCDC for predicting its activity against targets of AD management like acetylcholinesterase (AChE) (1B41), butyrylcholinesterase (BuChE) (1P0I), Tau protein kinase 1 (GSK-3β) (1J1B), BACE-1 (1FKN) wherein the GOLD score and fitness of bergenin were comparable to those of standard drugs like donepezil, galanthamine, physostigmine, etc. Bergenin demonstrated dose-dependent inhibition of both AChE and BuChE in vitro and found to be safe up to 50 μM when screened in vitro on SH-SY5Y cell lines by cytotoxicity studies using MTT and Alamar blue assays. It also led to dose-dependent prevention of NMDA induced toxicity in these cells. Pretreatment with bergenin (14 days) in rats at three dose levels (20, 40 and 80 mg/kg; p.o.) significantly (p < 0.01) and dose-dependently alleviated amnesia induced by scopolamine (2 mg/kg, i.p.). The therapeutic effect of bergenin supplementation for 28 days, at three dose levels, was also evaluated in streptozotocin (3 mg/kg, ICV, unilateral) induced AD model in Wistar rats using Morris water maze and Y maze on 7th, 14th, 21st and 28th days. STZ caused significant (p < 0.001) cognitive impairment and cholinergic deficit and increased oxidative stress in rats. Bergenin could significantly ameliorate STZ induced behavioral deficits, inhibit the AChE and BuChE activity in parallel with an increase in the diminished GSH levels in a dose-dependent fashion. The histopathological investigations were also supportive of this datum. The bergenin treatment at 80 mg/kg led to significant (p < 0.05) abatement of the raised Aβ-1-42 levels and alleviated the perturbed p- tau levels leading to significantly low (p < 0.01) levels of p-tau in brain homogenates of rats as compared to ICV STZ injected rats. In conclusion, the observed effects might be attributed to the cholinesterase inhibitory activity of bergenin coupled with its antioxidant effect, anti-inflammatory activity and reduction of Aβ-1-42 and p-tau levels which could have collectively helped in the attenuation of cognitive deficits. The current findings of the study are indicative of the promising preventive and ameliorative potential of bergenin in the management of AD through multiple targets.
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Affiliation(s)
- Priyal Barai
- Institute of Pharmacy, Nirma University, S. G. Highway, Ahmedabad, Gujarat, 382481, India
| | - Nisith Raval
- Institute of Pharmacy, Nirma University, S. G. Highway, Ahmedabad, Gujarat, 382481, India
| | - Sanjeev Acharya
- SSR College of Pharmacy, Sayli, Silvassa - 306230, U. T. of D&NH, India
| | - Ankit Borisa
- Institute of Pharmacy, Nirma University, S. G. Highway, Ahmedabad, Gujarat, 382481, India
| | - Hardik Bhatt
- Institute of Pharmacy, Nirma University, S. G. Highway, Ahmedabad, Gujarat, 382481, India
| | - Niyati Acharya
- Institute of Pharmacy, Nirma University, S. G. Highway, Ahmedabad, Gujarat, 382481, India.
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Suh KS, Chon S, Choi EM. Bergenin increases osteogenic differentiation and prevents methylglyoxal-induced cytotoxicity in MC3T3-E1 osteoblasts. Cytotechnology 2018; 70:215-224. [PMID: 28895006 PMCID: PMC5809652 DOI: 10.1007/s10616-017-0135-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [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: 01/16/2017] [Accepted: 08/30/2017] [Indexed: 01/07/2023] Open
Abstract
Bergenin, an active component of plants in the genus Bergenia, has multiple biological activities, including anti-inflammatory and immunomodulatory properties. We investigated the effects of bergenin on MC3T3-E1 osteoblasts. Bergenin treatment significantly elevated collagen synthesis, alkaline phosphatase activity, osteocalcin synthesis, and mineralization in the cells (p < 0.05). Additionally, bergenin increased the ratio of osteoprotegerin to receptor activator of nuclear factor kappa-B ligand, and cyclophilin B release. Methylglyoxal (MG), a highly reactive dicarbonyl compound, is the major precursor in the formation of advanced glycation end products. Pretreatment of MC3T3-E1 cells with bergenin prevented MG-induced cell death. Furthermore, bergenin treatment significantly reduced the induction of activating transcription factor 6 and autophagy by MG. These results indicate that bergenin may have positive effects on critical osteoblastic cell functions.
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Affiliation(s)
- Kwang Sik Suh
- Department of Endocrinology and Metabolism, School of Medicine, Kyung Hee University, 1, Hoegi-dong, Dongdaemun-gu, Seoul, 130-701 Republic of Korea
| | - Suk Chon
- Department of Endocrinology and Metabolism, School of Medicine, Kyung Hee University, 1, Hoegi-dong, Dongdaemun-gu, Seoul, 130-701 Republic of Korea
| | - Eun Mi Choi
- Department of Endocrinology and Metabolism, School of Medicine, Kyung Hee University, 1, Hoegi-dong, Dongdaemun-gu, Seoul, 130-701 Republic of Korea
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Yang S, Yu Z, Wang L, Yuan T, Wang X, Zhang X, Wang J, Lv Y, Du G. The natural product bergenin ameliorates lipopolysaccharide-induced acute lung injury by inhibiting NF-kappaB activition. J Ethnopharmacol 2017; 200:147-155. [PMID: 28192201 DOI: 10.1016/j.jep.2017.02.013] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [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: 09/23/2016] [Revised: 01/30/2017] [Accepted: 02/08/2017] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Bergenin, an active constituent of the plants of the genus Bergenia, was reported to have anti-inflammatory effects in the treatment of chronic bronchitis and chronic gastritis clinically. However, its therapeutic effect on lipopolysaccharide (LPS)-induced acute lung injury (ALI) and its potential mechanisms of actions were still unknown. AIM OF THIS STUDY To evaluate the effect of bergenin on murine model of acute lung injury induced by LPS and also to explore its potential mechanisms. MATERIALS AND METHODS Half an hour and 12h after an intranasal inhalation of LPS, male BALB/c mice were treated with bergenin (50,100 and 200mg/kg) or dexamethasone (DEX, 5mg/kg) by gavage. Twenty-four hours after LPS exposure, the lung wet/dry ratio, histological changes, myeloperoxidase (MPO) in lung tissues, inflammatory cells (in BALF) and cytokines (in BALF and serum) were detected. Meanwhile, the protein expression of MyD88 and the phosphorylation of NF-κB p65 in lung tissue were analyzed using immunoblot analysis. Moreover, the nuclear translocation and the phosphorylation of NF-κB p65 in Raw264.7 cells were also analyzed. The viability of Raw264.7 cells was determined by MTT assay. RESULTS Results showed that bergenin significantly decreased pulmonary edema, improved histological changes and reduced MPO activity in lung tissues. Moreover, bergenin obviously decreased inflammatory cells, IL-1β and IL-6 production in BALF, as well as IL-1β, TNF-α and IL-6 production in serum of LPS-induced ALI mice. Furthermore, bergenin markedly inhibited LPS-induced NF-κB p65 phosphorylation, as well as the expression of MyD88 but not the expression of NF-κB p65 in lung tissues. Additionally, bergenin also significantly inhibited the nuclear translocation and the phosphorylation of NF-κB p65 stimulated by LPS in Raw264.7 cells. CONCLUSIONS These findings suggested that bergenin had a therapeutic effect on LPS-induced ALI by inhibiting NF-κB activition.
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Affiliation(s)
- Shengqian Yang
- Beijing Key Laboratory of Drug Target Identification, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
| | - Ziru Yu
- Beijing Key Laboratory of Drug Target Identification, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
| | - Lin Wang
- Beijing Key Laboratory of Drug Target Identification, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
| | - Tianyi Yuan
- Beijing Key Laboratory of Drug Target Identification, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
| | - Xue Wang
- Xinjiang Key Laboratory for Uighur Medicine, Institute of Materia Medica of Xinjiang, Urumqi 830004, PR China.
| | - Xue Zhang
- Beijing Key Laboratory of Drug Target Identification, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
| | - Jinhua Wang
- Beijing Key Laboratory of Drug Target Identification, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
| | - Yang Lv
- Beijing Key Laboratory of Drug Crystal Research, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
| | - Guanhua Du
- Beijing Key Laboratory of Drug Target Identification, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, PR China.
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Pan RH, He HM, Dai Y, Xia YF. Comparative pharmacokinetics of bergenin, a main active constituent of Saxifraga stolonifera Curt., in normal and hepatic injury rats after oral administration. Chin J Nat Med 2016; 14:776-82. [PMID: 28236407 DOI: 10.1016/S1875-5364(16)30092-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Indexed: 01/28/2023]
Abstract
Bergenin, isolated from the herb of Saxifrage stolonifera Curt. (Hu-Er-Cao) has hepatoprotective, anti-inflammatory, antitussive, and neuroprotective activities. The aim of the present study was to establish a simple, rapid, and sensitive RP-HPLC method for determination of bergenin in rat plasma and compare its oral pharmacokinetic behaviors in normal and CCl4-induced hepatic injury rats. With norisoboldine as an internal standard, chromatographic separation was performed on a C18 analytical column with acetonitrile and water (11 : 89, V/V) containing 0.1% formic acid as the mobile phase. A good linearity was obtained over the range of 100-10 000 ng·mL-1. The lower limit of quantification was 50 ng·mL-1. The developed method was successfully applied to a study of the pharmacokinetic difference of bergenin (100 mg·kg-1) between normal and hepatic injury rats after oral administration. Marked alterations of pharmacokinetic parameters in hepatic injury rats were observed. Compared to normal rats, the AUC(0-∞) of bergenin in hepatic injury rats was elevated to 2.11-fold and Cmax was increased by 130%, whereas CL value was only 55% of the normal rats, suggesting that the systemic exposure of bergenin was significantly increased under hepatic injury status.
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Singh J, Kumar A, Sharma A. Antianxiety activity guided isolation and characterization of bergenin from Caesalpinia digyna Rottler roots. J Ethnopharmacol 2017; 195:182-187. [PMID: 27845264 DOI: 10.1016/j.jep.2016.11.016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [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: 03/11/2016] [Revised: 10/07/2016] [Accepted: 11/08/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Caesalpinia digyna Rottler (Caesalpiniaceae) roots have been used traditionally for soothing nerves, as nervine tonic and febrifuge. The aim of the present study was to isolate the antianxiety constituent(s) from C. digyna roots following bioactivity guided fractionation approach. MATERIAL AND METHODS Bioactive fraction F4 was subjected to column chromatography to get three sub-fractions (F4.1-F4.3) and a compound CD2. CD1 and CD2 were characterized using standard spectral techniques. Three fractions (F4.1-F4.3) were evaluated for antianxiety activity in mice using EPM. An effective dose of the antianxiety principle was optimized, and its activity was, further evaluated using open field and mirror chamber tests. RESULTS CD1 and CD2 characterized as bergenin, exhibited significant antianxiety activity at 80mg/kg, po which was statistically comparable to that of diazepam (2mg/kg, po). However, F4.1-F4.3 were observed to be devoid of antianxiety activity. Bergenin also exhibited significant antianxiety activity in open field and mirrored chamber tests. CONCLUSIONS Bergenin, isolated from roots of C. digyna, exhibits significant antianxiety activity at 80mg/kg, po in three different models for evaluating antianxiety activity. This activity of bergenin is being reported for the first time.
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Affiliation(s)
- Jitender Singh
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
| | - Ashwani Kumar
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India.
| | - Anupam Sharma
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India
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Aggarwal D, Gautam D, Sharma M, Singla SK. Bergenin attenuates renal injury by reversing mitochondrial dysfunction in ethylene glycol induced hyperoxaluric rat model. Eur J Pharmacol 2016; 791:611-621. [PMID: 27717728 DOI: 10.1016/j.ejphar.2016.10.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [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: 08/29/2016] [Revised: 09/24/2016] [Accepted: 10/03/2016] [Indexed: 01/13/2023]
Abstract
Bergenin, isolated from Bergenia ligulata is a potent antioxidant and antilithiatic agent. Present work was designed to establish the biochemical role of bergenin on mitochondrial dysfunction in the ethylene glycol induced hyperoxaluric rat model. Bergenin was administrated at a dose of 10mg/kg body wt i.p. from 14th day of establishing the 28 days hyperoxaluria rat model. α-Tocopherol was given as positive control at a dose of 100mg/kg body wt i.p. Mitochondrial dysfunction was studied by evaluating the activities of respiratory chain complexes, mitochondrial membrane potential and reactive oxygen species. Histopathological analysis of the kidney tissue was done after Pizzolato staining. Also, expression of monocyte chemoattractant protein -1(MCP-1) and kidney injury marker protein (KIM-1) were studied and the levels of IL-1β were evaluated in kidney tissue homogenate. Mitochondrial dysfunction during stone crystallization was evident by decreased activities of electron transport chain complexes I, II and IV and augmented mitochondrial oxidative stress in hyperoxaluric rats. Bergenin treatment significantly (P<0.05) restored the activities of these complexes. Moreover, it curtailed the lipid peroxidation and up regulated antioxidant levels, ameliorating the state of mitochondrial dysfunction. The protective role of bergenin was also reinforced by reducing IL-1β production and expression of KIM-1 and MCP-1 in the renal tissue. The findings of the present study provide evidence that bergenin exerted protective effects in hyperoxaluria through mitochondrial protection that involves attenuation of oxidative stress. Hence, it presented itself as an effective remedy in combating urolithiasis.
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Affiliation(s)
- Deepika Aggarwal
- Department of Biochemistry, Panjab University Chandigarh, 160014, India
| | - Diksha Gautam
- Department of Biochemistry, Panjab University Chandigarh, 160014, India
| | - Minu Sharma
- Department of Biochemistry, Panjab University Chandigarh, 160014, India
| | - S K Singla
- Department of Biochemistry, Panjab University Chandigarh, 160014, India.
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Zhang L, Zhang W, Chen G. Determination of arbutin and bergenin in Bergeniae Rhizoma by capillary electrophoresis with a carbon nanotube-epoxy composite electrode. J Pharm Biomed Anal 2015; 115:323-9. [PMID: 26263060 DOI: 10.1016/j.jpba.2015.07.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [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: 06/03/2015] [Revised: 07/27/2015] [Accepted: 07/28/2015] [Indexed: 10/23/2022]
Abstract
This report describes the fabrication and the application of a novel carbon nanotube (CNT)-epoxy composite electrode as a sensitive amperometric detector for the capillary electrophoresis (CE). The composite electrode was fabricated on the basis of the in situ polycondensation of a mixture of CNTs and 1,2-ethanediamine-containing bisphenol A epoxy resin in the inner bore of a piece of fused silica capillary under heat. It was coupled with CE for the separation and detection of arbutin and bergenin in Bergeniae Rhizoma, a traditional Chinese medicine, to demonstrate its feasibility and performance. The two phenolic constituents were well separated within 10min in a 45cm capillary length at a separation voltage of 12kV using a 50mM borate buffer (pH 9.2). The CNT-based detector offered higher sensitivity, significantly lower operating potential, satisfactory resistance to surface fouling, and lower expense of operation, indicating great promise for a wide range of analytical applications. It showed long-term stability and reproducibility with relative standard deviations of less than 5% for the peak current (n=15).
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Affiliation(s)
- Luyan Zhang
- School of Pharmacy, 826 Zhangheng Road, Shanghai 201203, China
| | - Wei Zhang
- School of Pharmacy, 826 Zhangheng Road, Shanghai 201203, China
| | - Gang Chen
- School of Pharmacy, 826 Zhangheng Road, Shanghai 201203, China.
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Pushpalatha HB, Pramod K, Devanathan R, Sundaram R. Use of bergenin as an analytical marker for standardization of the polyherbal formulation containing Saxifraga ligulata. Pharmacogn Mag 2015; 11:S60-5. [PMID: 26109776 PMCID: PMC4461970 DOI: 10.4103/0973-1296.157690] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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: 07/07/2014] [Revised: 11/14/2014] [Accepted: 05/27/2015] [Indexed: 11/18/2022] Open
Abstract
Background: Bergenin is the principle constituent of the well-known medicinal plant Saxifraga ligulata. Bergenin has anti-inflammatory, antipyretic, antiviral, immunostimulant, antihyperglycemic, and antioxidant properties. In this study, the presence of bergenin in Saxifraga ligulata and the formulations was identified using high performance thin layer chromatograpy fingerprinting technique. Objective: To develop a novel quantitative method for the estimation of bergenin using high performance liquid chromatography. Materials and Methods: The compound was separated, characterised and quantified using authentic reference standard. The method was validated per ICH guidelines for the parameters of accuracy, precision, linearity, limit of detection, limit of quantification and robustness. Results: The method was found to be accurate, linear (r2 = 0.998) and precise (%RSD <2%). The limits of detection (0.001%) and quantification (0.002%) were found to be suitable for detection and quantification of bergenin in commercial formulations. Conclusion: The developed methods are suitable for the quality control applications of Saxifraga ligulata containing formulations.
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Affiliation(s)
| | - Kumar Pramod
- Department of Pharmaceutics, JSS College of Pharmacy, JSS University, Sri Shivarathreeswara Nagar, Mysore, Karnataka, India
| | - Rajendran Devanathan
- Formulation and Development, Research and Development Center, The Himalaya Drug Company, Makali, Bengaluru, India
| | - Ramachandran Sundaram
- Formulation and Development, Research and Development Center, The Himalaya Drug Company, Makali, Bengaluru, India
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Siddiqui NA, Alam P, Al-Rehaily AJ, Al-Oqail MM, Parvez MK. Simultaneous quantification of biomarkers bergenin and menisdaurin in the methanol extract of aerial parts of Flueggea virosa by validated HPTLC densitometric method. J Chromatogr Sci 2015; 53:824-9. [PMID: 25662964 DOI: 10.1093/chromsci/bmu231] [Citation(s) in RCA: 13] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2014] [Indexed: 11/12/2022]
Abstract
A simple, sensitive high-performance thin-layer chromatography (HPTLC) method was developed for the simultaneous quantification of biomarker bergenin and menisdaurin in the methanol extracts of aerial parts of Flueggea virosa (FVME). Chromatography was performed on glass-backed silica gel 60F254 HPTLC plates using dichloromethane: methanol as mobile phase. Scanning and quantification was done at UV absorption maxima of 260 nm. The system was found to give compact spot for bergenin and menisdaurin at Rf = 0.29 ± 0.01 and 0.16 ± 0.01, respectively. The linearity ranges for bergenin and menisdaurin were found to be the same (100-800 ng/spot) with correlation coefficients (R(2) values) of 0.997 and 0.999, respectively. The limit of detection for bergenin and menisdaurin was found to be 27 and 36.2 ng/band, respectively, while the limit of quantification was found to be 81 and 108 ng/band, respectively. Intra- and interday precisions (n = 6) for bergenin and menisdaurin were found to be 1.41-1.71 and 1.65-1.87%, and 1.68-1.89 and 1.75-1.93%, respectively. The percent recoveries were found to be 98.7-99.4 and 99.5-99.9%, respectively, for bergenin and menisdaurin. The percentage of bergenin and menisdaurin was found to be 15.25 and 4.22% (w/w), respectively, in FVME. The developed method permitted the simultaneous quantification of bergenin and menisdaurin and showed good resolution and separation from other constituents of extract; hence, the method can be used to standardize herbal formulations as well as bulk drugs for bergenin and menisdaurin.
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Affiliation(s)
- Nasir A Siddiqui
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Perwez Alam
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Adnan J Al-Rehaily
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mai M Al-Oqail
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Mohammad Khalid Parvez
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia
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Bajracharya GB. Diversity, pharmacology and synthesis of bergenin and its derivatives: potential materials for therapeutic usages. Fitoterapia 2015; 101:133-52. [PMID: 25596093 DOI: 10.1016/j.fitote.2015.01.001] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [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: 10/16/2014] [Revised: 01/01/2015] [Accepted: 01/06/2015] [Indexed: 12/31/2022]
Abstract
Bergenin, a natural secondary metabolite, has been isolated from different parts of a number of plants. It is one of active ingredients in herbal and Ayurvedic formulations. It exhibits antiviral, antifungal, antitussive, antiplasmodial, antiinflammatory, antihepatotoxic, antiarrhythmic, antitumor, antiulcerogenic, antidiabetic and wound healing properties. It has been analyzed and estimated in different plant extracts, blood and drug samples using chromatographic techniques, and pharmacokinetic studies have been made. Several bergenin derivatives were isolated and/or synthesized and were found to possess pharmacological activities. Total synthesis of bergenin and its derivatives were reported. This review article covers literature on bergenin and its derivatives until 2013. Ethnomedicinal value of bergenin containing plant materials is also highlighted. This comprehensive review provides information on the potentiality of bergenin and its derivatives for therapeutic usages.
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Affiliation(s)
- Gan B Bajracharya
- Faculty of Science, Nepal Academy of Science and Technology (NAST), Khumaltar, Lalitpur, Nepal.
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Yan DB, Zhang DP, Li M, Liu WY, Feng F, DI B, Guo QL, Xie N. Synthesis and cytotoxic activity of 3, 4, 11-trihydroxyl modified derivatives of bergenin. Chin J Nat Med 2015; 12:929-36. [PMID: 25556064 DOI: 10.1016/s1875-5364(14)60136-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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: 02/18/2014] [Indexed: 11/16/2022]
Abstract
To synthesize a series of 3-, 4-, and/or 11-trihydroxy modified bergenin derivatives and evaluated their cytotoxic activity in vitro. The phenolic hydroxyl groups of bergenin were protected by benzyl groups with benzyl bromide. Treatment of dibenzyl bergenin with the corresponding acid in the presence of EDC·HCl and DMAP in CH2Cl2, followed by hydrogenation over Pd/C catalysts, afforded derivatives of bergenin esters. All of the target compounds were identified by IR, MS, and (1)H NMR. Twenty-six novel and three known derivatives of bergenin esters were synthesized. Their cytotoxicity values were evaluated by the MTT assay on the inhibition of DU-145 and BGC-823 cells in vitro. Several triply-substituted (3a, 4a, 5a, 6a, 7a) and doubly-substituted (8b, 9b) bergenin derivatives exhibited higher cytotoxic activity than bergenin. The result showed that the size of substituents and the lipophilicity of the bergenin esters displayed an important role on their cytotoxic activity.
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Affiliation(s)
- De-Biao Yan
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Dong-Ping Zhang
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Ming Li
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Wen-Yuan Liu
- Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing 210009, China; Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, Nanjing 210009, China.
| | - Feng Feng
- Department of Natural Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, China; Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing 210009, China.
| | - Bin DI
- Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing 210009, China
| | - Qing-Long Guo
- Jiangsu Key Laboratory of Carcinogenesis and Intervention, China Pharmaceutical University, Nanjing 210009, China
| | - Ning Xie
- Jiangxi Qingfeng Pharmaceutical Ltd., Ganzhou 341008, China
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Magaji MG, Musa AM, Abdullahi MI, Ya’u J, Hussaini IM. Isolation of bergenin from the root bark of Securinega virosa and evaluation of its potential sleep promoting effect. Avicenna J Phytomed 2015; 5:587-96. [PMID: 26693416 PMCID: PMC4678504] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Securinega virosa Roxb (Ex Willd) Baill (Euphorbaiceae) root bark has been reportedly used in African traditional medicine in the management of mental illnesses. Previously, the sleep-inducing potential of the crude methanol root bark of Securinega virosa extract and its butanol fraction have been reported. The study aimed to isolate and characterize the bioactive constituent that may be responsible for the sleep inducing property of the root of the plant. MATERIALS AND METHODS The phytochemical investigation of the S. virosa root bark was carried out leading to the isolation of a compound from the butanol-soluble fraction of the methanol extract. The structure of the compound was elucidated on the basis of its spectral data, including IR, 1D and 2D NMR, mass spectrometry as well as X-ray diffraction analysis. The compound was investigated for sleep-inducing potential using diazepam-induced sleeping time test and beam walking assay in mice. RESULTS This is the first report on the isolation of bergenin from the root of the plant. It significantly decreased the mean onset of sleep [F (2, 15) =7.167; p< 0.01] at the dose of 10 mg/kg, without significantly affecting the total sleep duration [F (2, 15) = 0.090, p=0.914]. Conversely, it did not significantly affect the number of foot slips at the doses of 5 and 10 mg/kg tested. CONCLUSION Bergenin isolated from the root bark of S. virosa possesses sleep-inducing property and could be partly responsible for the sedative potential of the root of S. virosa.
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Affiliation(s)
- Mohammed Garba Magaji
- Department of Pharmacology and Therapeutics, Ahmadu Bello University, Zaria-Nigeria,Corresponding Author: Tel: +234 803 4685 869,
| | - Aliyu Muhammad Musa
- Department of Pharmaceutical and Medicinal Chemistry, Ahmadu Bello University, Zaria-Nigeria
| | - Musa Ismail Abdullahi
- Department of Pharmaceutical and Medicinal Chemistry, Usmanu Danfodiyo University, Sokoto-Nigeria
| | - Jamilu Ya’u
- Department of Pharmacology and Therapeutics, Ahmadu Bello University, Zaria-Nigeria
| | - Isa Marte Hussaini
- Department of Pharmacology, University of Maiduguri, Maiduguri-Nigeria,Department of Pathology, University of Virginia, USA
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Zhang J, Nishimoto Y, Tokuda H, Suzuki N, Yasukawa K, Kitdamrongtham W, Akazawa H, Manosroi A, Manosroi J, Akihisa T. Cancer chemopreventive effect of bergenin from Peltophorum pterocarpum wood. Chem Biodivers 2014; 10:1866-75. [PMID: 24130029 DOI: 10.1002/cbdv.201300182] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [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: 06/07/2013] [Indexed: 11/12/2022]
Abstract
The aqueous extract of Peltophorum pterocarpum (Fabaceae) wood exhibited potent inhibitory effects against EpsteinBarr virus early antigen (EBV-EA) activation induced with 12-O-tetradecanoylphorbol-13-acetate (TPA) in Raji cells and against melanogenesis in α-melanocyte-stimulating hormone (α-MSH)-stimulated B16 melanoma cells, as well as potent 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical-scavenging activity. Two phenolic acid derivatives, bergenin (1) and gallic acid (2), were isolated from the ethyl acetate (AcOEt)-soluble fraction obtained from the extract. Compound 1 exhibited potent inhibitory effect against EBV-EA activation and against skin tumor promotion in an in vivo two-stage mouse skin carcinogenesis test based on 7,12-dimethylbenz[a]anthracene (DMBA) as initiator, and with TPA as promoter. Both compounds 1 and 2 exhibited melanogenesis-inhibitory activities in α-MSH-stimulated B16 melanoma cells, and, in addition, compound 2 showed strong DPPH radical-scavenging activity.
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Affiliation(s)
- Jie Zhang
- College of Science and Technology, Nihon University, 1-8-14 Kanda Surugadai, Chiyoda-ku, Tokyo 101-8308, Japan
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Li BH, Wu JD, Li XL. LC-MS/MS determination and pharmacokinetic study of bergenin, the main bioactive component of Bergenia purpurascens after oral administration in rats. J Pharm Anal 2013; 3:229-234. [PMID: 29403822 PMCID: PMC5760982 DOI: 10.1016/j.jpha.2013.01.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [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: 11/30/2012] [Accepted: 01/19/2013] [Indexed: 12/02/2022] Open
Abstract
Bergenin, a C-glucoside of 4-O-methyl gallic acid from Bergenia purpurascens, is a naturally antitussive and expectorant agent. A rapid and sensitive liquid chromatography tandem mass spectrometry (LC-MS/MS) method has been developed and validated for the determination of the active component-bergenin, in rat plasma after oral administration of aqueous B. purpurascens extract. The plasma samples were pretreated by protein precipitation with acetonitrile and chromatographic separation was achieved on a Diamonsil® C18 column (150 mm×4.6 mm, 5 μm) with isocratic elution using a mobile phase consisting of water-methanol (30:70, v/v) at a flow rate of 0.6 mL/min. The detection was accomplished by a triple-quadrupole tandem mass spectrometer in multiple-reaction monitoring (MRM) scanning via an electrospray ionization (ESI) source operating in the negative mode. The optimized mass transition ion-pairs (m/z) for quantitation were 327.3/192.0 for bergenin, and 431.1/311.1 for IS. The time for each analysis run was only 3.5 min between injections. The calibration curve exhibited good linearity (r2>0.99) over a range of 1.00-2000 ng/mL for bergenin. The lower limit of quantitation (LLOQ) was 1.00 ng/mL. The intra- and inter-day precisions were no more than 11.8%, and relative errors (RE) were within the range of 0.0-4.4%. The validated method was successfully applied to investigate the pharmacokinetics of bergenin after oral administration of B. purpurascens extract in rats.
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Affiliation(s)
- Bao-Hong Li
- School of Pharmacy, Guangdong Medical College, Dongguan 523808, PR China
| | - Jin-Dong Wu
- School of Pharmacy, Guangdong Medical College, Dongguan 523808, PR China
| | - Xiang-Lu Li
- Nature's & US Limited Liability Corporation, St. Louis 63132, USA
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