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Xu Y, Bao L, Cao S, Pang B, Zhang J, Zhang Y, Chen M, Wang Y, Sun Q, Zhao R, Guo S, Sun J, Cui X. Pharmacological effects and mechanism of Maxing Shigan decoction in the treatment of Pseudomonas aeruginosa pneumonia. JOURNAL OF ETHNOPHARMACOLOGY 2024; 320:117424. [PMID: 37984543 DOI: 10.1016/j.jep.2023.117424] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/05/2023] [Accepted: 11/11/2023] [Indexed: 11/22/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Maxing Shigan Decoction (MXSG) is a traditional Chinese Medicine effectively used in respiratory infections and bacterial pneumonia. However, the mechanism of MXSG treating acute Pseudomonas aeruginosa (P. aeruginosa) pneumonia is still unclear. AIM OF THE STUDY This study aimed to investigate the therapeutic effects of MXSG on acute P. aeruginosa pneumonia and explore its potential mechanisms. MATERIALS AND METHODS HPLC-MS analysis was performed to analyze the chemical composition. Antibacterial effects in vitro were evaluated by minimum inhibitory concentration (MIC). Forty-five male BALB/c mice were divided into control group, model group, levofloxacin group, MXSG-L (7.7 g/kg/d), and MXSG-H group (15.4 g/kg/d). Mice were intranasal instillation with P. aeruginosa to induce acute P. aeruginosa pneumonia model. Levofloxacin and MXSG were administered by oral gavage once a day. After 3 days of treatment, the lung index measurement, micro-CT, arterial blood gas analysis, bacteria load determination, and HE staining were performed. Network pharmacological analysis and transcriptome sequencing were employed to predict the potential mechanisms of MXSG on bacterial pneumonia. The expressions of relating genes were detected by immunofluorescence, Western blot, and RT-PCR. RESULTS In vitro, MIC of P. aeruginosa is greater than 500 mg/mL. In the treatment of acute P. aeruginosa pneumonia model, MXSG significantly improved body weight loss, lung index, and pulmonary lesions. MXSG treatment also reduced the bacterial load and ameliorated oxygen saturation significantly. Transcriptomes, immunofluorescence, Western blot, and RT-PCR analysis showed MXSG treating acute P. aeruginosa pneumonia through the IL-17 signaling pathway and HIF-1α/IL-6/STAT3 signaling pathway. CONCLUSIONS We demonstrated the efficacy and mechanism of MXSG in the treatment of acute P. aeruginosa pneumonia, which provides a scientific basis for its clinical application.
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Affiliation(s)
- Yingli Xu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Lei Bao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Shan Cao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Bo Pang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Jingsheng Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Yu Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Mengping Chen
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Yaxin Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Qiyue Sun
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Ronghua Zhao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Shanshan Guo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Jing Sun
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Xiaolan Cui
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China.
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Alhusban M, Pandey P, Ahn J, Avula B, Haider S, Avonto C, Ali Z, Khan SI, Ferreira D, Khan IA, Chittiboyina AG. Computational Tools to Expedite the Identification of Potential PXR Modulators in Complex Natural Product Mixtures: A Case Study with Five Closely Related Licorice Species. ACS OMEGA 2022; 7:26824-26843. [PMID: 35936409 PMCID: PMC9352242 DOI: 10.1021/acsomega.2c03240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
The genus Glycyrrhiza, comprising approximately 36 spp., possesses complex structural diversity and is documented to possess a wide spectrum of biological activities. Understanding and finding the mechanisms of efficacy or safety for a plant-based therapy is very challenging, yet it is crucial and necessary to understand the polypharmacology of traditional medicines. Licorice extract was shown to modulate the xenobiotic receptors, which might manifest as a potential route for natural product-induced drug interactions. However, different mechanisms could be involved in this phenomenon. Since the induced herb-drug interaction of licorice supplements via Pregnane X receptor (PXR) is understudied, we ventured out to analyze the potential modulators of PXR in complex mixtures such as whole extracts by applying computational mining tools. A total of 518 structures from five species of Glycyrrhiza: 183 (G. glabra), 180 (G. uralensis), 100 (G. inflata), 33 (G. echinata), and 22 (G. lepidota) were collected and post-processed to yield 387 unique compounds. Visual inspection of top candidates with favorable ligand-PXR interactions and the highest docking scores were identified. The in vitro testing revealed that glabridin (GG-14) is the most potent PXR activator among the tested compounds, followed by licoisoflavone A, licoisoflavanone, and glycycoumarin. A 200 ns molecular dynamics study with glabridin confirmed the stability of the glabridin-PXR complex, highlighting the importance of computational methods for rapid dereplication of potential xenobiotic modulators in a complex mixture instead of undertaking time-consuming classical biological testing of all compounds in a given botanical.
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Affiliation(s)
- Manal Alhusban
- Department
of BioMolecular Sciences, Division of Pharmacognosy, University of Mississippi, University, Mississippi 38677, United States
| | - Pankaj Pandey
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Jongmin Ahn
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Bharathi Avula
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Saqlain Haider
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Cristina Avonto
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Zulfiqar Ali
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Shabana I. Khan
- Department
of BioMolecular Sciences, Division of Pharmacognosy, University of Mississippi, University, Mississippi 38677, United States
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Daneel Ferreira
- Department
of BioMolecular Sciences, Division of Pharmacognosy, University of Mississippi, University, Mississippi 38677, United States
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Ikhlas A. Khan
- Department
of BioMolecular Sciences, Division of Pharmacognosy, University of Mississippi, University, Mississippi 38677, United States
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
| | - Amar G. Chittiboyina
- National
Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, Mississippi 38677, United States
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