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Wang S, Wang R, Li R, Li Y. Research Progress on Application of Inonotus obliquus in Diabetic Kidney Disease. J Inflamm Res 2023; 16:6349-6359. [PMID: 38161352 PMCID: PMC10756068 DOI: 10.2147/jir.s431913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 12/03/2023] [Indexed: 01/03/2024] Open
Abstract
Diabetic kidney disease (DKD) is one of the prime causes of end-stage renal disease. At present, the treatment of DKD is mainly confined to inhibiting the renin-angiotensin-aldosterone system, but the therapeutic effects is not satisfactory. As a kind of very rare and precious medicinal fungi, Inonotus obliquus has a very high medicinal value. Due to its special hypoglycemic and pharmacological effect, researchers currently have attached great importance to it. In this paper, the biological activities, pharmacological effects and application status in the treatment of DKD-related diseases of Inonotus obliquus and the latest progress of metabolites isolated from it in DKD were summarized, thus providing detailed insights and basic understanding of the potential application prospects in DKD.
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Affiliation(s)
- Shuyue Wang
- Department of Nephrology, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi, 030012, People’s Republic of China
| | - Ruihua Wang
- The Third Clinical College, Shanxi University of Chinese Medicine, Taiyuan, Shanxi, 030002, People’s Republic of China
| | - Rongshan Li
- Department of Nephrology, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi, 030012, People’s Republic of China
| | - Yafeng Li
- Department of Nephrology, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi, 030012, People’s Republic of China
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Gong L, Wang R, Wang X, Liu J, Han Z, Li Q, Jin Y, Liao H. Research progress of natural active compounds on improving podocyte function to reduce proteinuria in diabetic kidney disease. Ren Fail 2023; 45:2290930. [PMID: 38073545 PMCID: PMC11001328 DOI: 10.1080/0886022x.2023.2290930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Diabetic kidney disease (DKD) is a primary cause of end-stage renal disease. Proteinuria is a clinical indicator of the different stages of DKD, and podocyte injury is a major cause of proteinuria. Podocyte-specific proteins (PSPs) play important roles in the normal filtration of podocytes. Studies have shown that natural active compounds (NACs) can ameliorate proteinuria; however, the mechanism related to PSPs needs to be explored. In this study, the five stages of DKD related to proteinuria and the functions of PSPs are displayed separately. Mechanisms for ameliorating proteinuria and improving the PSPs of the 15 NACs are summarized. The in vitro and in vivo mechanistic research showed that five compounds, astragaloside IV, ligustrazine, berberine, emodin and resveratrol, exerted renal protective effects via AMPK signaling, icariin and berberine via TLR4 signaling, hirudin and baicalin via MAPK signaling, curcumin and baicalin via NF-κB signaling, and emodin via protein kinase RNA-like endoplasmic reticulum kinase signaling. The 13 PSPs were divided into five categories: actin cytoskeleton, basal domain, apical domain, slit diaphragm, and others. In conclusion, anti-inflammatory effects, anti-oxidative stress, and enhanced autophagy are the main mechanisms underlying the ameliorative effects of NACs. Podocyte apoptosis is mainly related to nephrin and podocin, which are the most studied slit diaphragm PSPs.
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Affiliation(s)
- Le Gong
- School of Pharmacy, Shanxi Medical University, Taiyuan, China
| | - Rui Wang
- School of Pharmacy, Shanxi Medical University, Taiyuan, China
| | - Xinyu Wang
- School of Pharmacy, Shanxi Medical University, Taiyuan, China
| | - Jing Liu
- School of Pharmacy, Shanxi Medical University, Taiyuan, China
| | - Zhaodi Han
- Drug Clinical Trial Institution, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, China
| | - Qian Li
- Drug Clinical Trial Institution, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, China
| | - Yi Jin
- Drug Clinical Trial Institution, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, China
| | - Hui Liao
- Drug Clinical Trial Institution, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, China
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Ern PTY, Quan TY, Yee FS, Yin ACY. Therapeutic properties of Inonotus obliquus (Chaga mushroom): A review. Mycology 2023; 15:144-161. [PMID: 38813471 PMCID: PMC11132974 DOI: 10.1080/21501203.2023.2260408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/13/2023] [Indexed: 05/31/2024] Open
Abstract
Inonotus obliquus, also known as Chaga, is a medicinal mushroom that has been used for therapeutic purposes since the sixteenth century. Collections of folk medicine record the application of Chaga for the treatment of diseases such as gastrointestinal cancer, diabetes, bacterial infection, and liver diseases. Modern research provides scientific evidence of the therapeutic properties of I. obliquus extracts, including anti-inflammatory, antioxidant, anticancer, anti-diabetic, anti-obesity, hepatoprotective, renoprotective, anti-fatigue, antibacterial, and antiviral activities. Various bioactive compounds, including polysaccharides, triterpenoids, polyphenols, and lignin metabolites have been found to be responsible for the health-benefiting properties of I. obliquus. Furthermore, some studies have elucidated the underlying mechanisms of the mushroom's medicinal effects, revealing the compounds' interactions with enzymes or proteins of important pathways. Thus, this review aims to explore available information on the therapeutic potentials of Inonotus obliquus for the development of an effective naturally sourced treatment option.
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Affiliation(s)
- Phoebe Tee Yon Ern
- School of Biosciences, Faculty of Health & Medical Sciences, Taylor’s University, Subang Jaya, Selangor, Malaysia
| | - Tang Yin Quan
- School of Biosciences, Faculty of Health & Medical Sciences, Taylor’s University, Subang Jaya, Selangor, Malaysia
| | - Fung Shin Yee
- Department of Molecular Medicine, Faculty of Medicine Building, University of Malaya, Kuala Lumpur, Malaysia
| | - Adeline Chia Yoke Yin
- School of Biosciences, Faculty of Health & Medical Sciences, Taylor’s University, Subang Jaya, Selangor, Malaysia
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Peng YL, Zhang Y, Pang L, Dong YF, Li MY, Liao H, Li RS. Integrated Analysis of Single-Cell RNA-Seq and Bulk RNA-Seq Combined with Multiple Machine Learning Identified a Novel Immune Signature in Diabetic Nephropathy. Diabetes Metab Syndr Obes 2023; 16:1669-1684. [PMID: 37312900 PMCID: PMC10258044 DOI: 10.2147/dmso.s413569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/31/2023] [Indexed: 06/15/2023] Open
Abstract
Background Increasing evidence suggests that immune modulation contributes to the pathogenesis and progression of diabetic nephropathy (DN). However, the role of immune modulation in DN has not been elucidated. The purpose of this study was to search for potential immune-related therapeutic targets and molecular mechanisms of DN. Methods Gene expression datasets were obtained from the Gene Expression Omnibus (GEO) database. A total of 1793 immune-related genes were acquired from the Immunology Database and Analysis Portal (ImmPort). Weighted gene co-expression network analysis (WGCNA) was performed for GSE142025, and the red and turquoise co-expression modules were found to be key for DN progression. We utilized four machine learning algorithms, namely, random forest (RF), support vector machine (SVM), adaptive boosting (AdaBoost), and k-nearest neighbor (KNN), to evaluate the diagnostic value of hub genes. Immune infiltration patterns were analyzed using the CIBERSORT algorithm, and the correlation between immune cell type abundance and hub gene expression was also investigated. Results A total of 77 immune-related genes of advanced DN were selected for subsequent analyzes. Functional enrichment analysis showed that the regulation of cytokine-cytokine receptor interactions and immune cell function play a corresponding role in the progression of DN. The final 10 hub genes were identified through multiple datasets. In addition, the expression levels of the identified hub genes were corroborated through a rat model. The RF model exhibited the highest AUC. CIBERSORT analysis and single-cell sequencing analysis revealed changes in immune infiltration patterns between control subjects and DN patients. Several potential drugs to reverse the altered hub genes were identified through the Drug-Gene Interaction database (DGIdb). Conclusion This pioneering work provided a novel immunological perspective on the progression of DN, identifying key immune-related genes and potential drug targets, thus stimulating future mechanistic research and therapeutic target identification for DN.
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Affiliation(s)
- Yue-Ling Peng
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital of Shanxi Medical University), Taiyuan, People’s Republic of China
| | - Yan Zhang
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital of Shanxi Medical University), Taiyuan, People’s Republic of China
| | - Lin Pang
- Department of Health Statistics, School of Public Health, Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Ya-Fang Dong
- Department of Pathology and Pathophysiology, School of Basic Medicine, Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Mu-Ye Li
- Department of Ocular Fundus Diseases, Shanxi Eye Hospital, Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Hui Liao
- Drug Clinical Trial Institution, Shanxi Provincial People’s Hospital (Fifth Hospital of Shanxi Medical University), Taiyuan, People’s Republic of China
| | - Rong-Shan Li
- Department of Nephrology, Shanxi Provincial People’s Hospital (Fifth Hospital of Shanxi Medical University), Taiyuan, People’s Republic of China
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Chiang KH, Chiu YC, Yar N, Chen YC, Cheng CH, Liu YC, Chang CY, Chuu JJ. Renoprotective Impacts of Inonotus obliquus Ethanol-Ethyl Acetate Extract on Combined Streptozotocin and Unilateral Nephrectomy-Induced Diabetic Nephropathy in Mice. Int J Mol Sci 2023; 24:ijms24054443. [PMID: 36901874 PMCID: PMC10002342 DOI: 10.3390/ijms24054443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/11/2023] [Accepted: 02/18/2023] [Indexed: 02/26/2023] Open
Abstract
Diabetes nephropathy (DN) is one of the most common causes of end stage renal disease (ESRD) globally. Medication options to stop or slow the progression of chronic renal disease (CKD) are limited, and patients with DN remain at a high risk of developing renal failure. Inonotus obliquus extracts (IOEs) of Chaga mushroom have been shown to have anti-glycemic, anti-hyperlipidemia, antioxidant, and anti-inflammatory effects against diabetes. In this study, we examined the potential renal protective role of an ethyl acetate layer after water-ethyl acetate separation from Inonotus obliquus ethanol crude extract (EtCE-EA) from Chaga mushrooms in diabetic nephropathy mice after preparation with 1/3 NT + STZ. Our data showed that treatment with EtCE-EA can effectively regulate blood glucose, albumin-creatinine ratio, serum creatinine, and blood urea nitrogen (BUN) levels, and it can improve the renal damage in 1/3 NT + STZ-induced CRF mice with an increase in concentration (100, 300, and 500 mg/kg). In the immunohistochemical staining test, EtCE-EA can effectively reduce the expression of TGF-β and α-SMA after induction according to the increase in the concentration (100 mg/kg, 300 mg/kg), thereby slowing down the degree of kidney damage. Our findings demonstrate that EtCE-EA could provide renal protection in diabetes nephropathy, possibly due to the decreased expression of transforming growth factor-β1 and α-smooth muscle actin.
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Affiliation(s)
- Kuang-Hsing Chiang
- Taipei Heart Institute, Taipei Medical University, Taipei 11031, Taiwan
- Division of Cardiology and Cardiovascular Research Center, Taipei Medical University Hospital, Taipei 11031, Taiwan
- Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei 10617, Taiwan
| | - Yi-Chun Chiu
- Division of Urology, Department of Surgery, Taipei City Hospital, Taipei 10341, Taiwan
- Urological Research Center, National Yang Ming Chiao Tung University, Taipei 10662, Taiwan
- Department of Exercise and Health Sciences, University of Taipei, Taipei 11153, Taiwan
| | - Noi Yar
- Taipei Heart Institute, Taipei Medical University, Taipei 11031, Taiwan
| | - Yu-Chun Chen
- Department of Biotechnology and Food Technology, College of Engineering, Southern Taiwan University of Science and Technology, Tainan 71005, Taiwan
| | - Chia-Hui Cheng
- Department of Biotechnology and Food Technology, College of Engineering, Southern Taiwan University of Science and Technology, Tainan 71005, Taiwan
| | - Yi-Chien Liu
- Department of Biotechnology and Food Technology, College of Engineering, Southern Taiwan University of Science and Technology, Tainan 71005, Taiwan
| | - Chia-Yu Chang
- Department of Neurology, Chi-Mei Medical Center, Tainan 71004, Taiwan
- Center for General Education, Southern Taiwan University of Science and Technology, Tainan 71005, Taiwan
- Correspondence: (C.-Y.C.); (J.-J.C.); Tel.: +886-6-2533131 (ext. 6201) (C.-Y.C.); +886-6-2533131 (ext. 3927) (J.-J.C.)
| | - Jiunn-Jye Chuu
- Department of Biotechnology and Food Technology, College of Engineering, Southern Taiwan University of Science and Technology, Tainan 71005, Taiwan
- Pharmacy Department, Wei-Gong Memorial Hospital, Miaoli 35159, Taiwan
- Correspondence: (C.-Y.C.); (J.-J.C.); Tel.: +886-6-2533131 (ext. 6201) (C.-Y.C.); +886-6-2533131 (ext. 3927) (J.-J.C.)
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Ye X, Wu K, Xu L, Cen Y, Ni J, Chen J, Zheng W, Liu W. Methanol extract of Inonotus obliquus improves type 2 diabetes mellitus through modifying intestinal flora. Front Endocrinol (Lausanne) 2023; 13:1103972. [PMID: 36686454 PMCID: PMC9852891 DOI: 10.3389/fendo.2022.1103972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) poses a significant risk to human health. Previous research demonstrated that Inonotus obliquus possesses good hypolipidemic, anti-inflammatory, and anti-tumor properties. In this research, we aim to investigate the potential treatment outcomes of Inonotus obliquus for T2DM and discuss its favourable influences on the intestinal flora. The chemical composition of Inonotus obliquus methanol extracts (IO) was analyzed by ultra-high-performance liquid chromatography-Q extractive-mass spectrometry. IO significantly improved the blood glucose level, blood lipid level, and inflammatory factor level in T2DM mice, and effectively alleviated the morphological changes of colon, liver and renal. Acetic acid, propionic acid, and butyric acid levels in the feces of the IO group were restored. 16S rRNA gene sequencing revealed that the intestinal flora composition of mice in the IO group was significantly modulated. Inonotus obliquus showed significant hypoglycemic and hypolipidemic effects with evident anti-inflammatory activity and improved the morphological structure of various organs and cells. Inonotus obliquus increased the levels of short-chain fatty acids in the environment by increasing the population of certain bacteria that produce acid, such as Alistipes and Akkermansia, which are beneficial to improve intestinal flora disorders and maintain intestinal flora homeostasis. Meanwhile, Inonotus obliquus further alleviated T2DM symptoms in db/db mice by down-regulating the high number of microorganisms that are dangerous, such as Proteobacteria and Rikenellaceae_RC9_gut_group and up-regulating the abundance of beneficial bacteria such as Odoribacter and Rikenella. Therefore, this study provides a new perspective for the treatment of T2DM by demonstrating that drug and food homologous active substances could relieve inflammation via regulating intestinal flora.
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Affiliation(s)
- Xuewei Ye
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Kefei Wu
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Langyu Xu
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Yingxin Cen
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Jiahui Ni
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Junyao Chen
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Wenxin Zheng
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Department of Basic Medical Sciences, Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China
| | - Wei Liu
- Institute of Plant Protection and Microbiology, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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Wang J, Feng Y, Zhang Y, Liu J, Gong L, Zhang X, Liao H. TNF-α and IL-1β Promote Renal Podocyte Injury in T2DM Rats by Decreasing Glomerular VEGF/eNOS Expression Levels and Altering Hemodynamic Parameters. J Inflamm Res 2022; 15:6657-6673. [PMID: 36532651 PMCID: PMC9748123 DOI: 10.2147/jir.s391473] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 11/30/2022] [Indexed: 07/01/2024] Open
Abstract
PURPOSE Diabetic nephropathy (DN) is a serious microvascular complication in those with type 2 diabetes mellitus (T2DM). Evidence confirms that serum tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) in the T2DM stage are proposed as prognostic markers for DN development, but it is unclear how they affect renal podocyte-associated nephrin and WT-1 expression. In the presence of podocyte injury, glomerular vascular endothelial growth factor (VEGF), endothelial nitric oxide synthase (eNOS) and hemodynamic parameters are dysregulated. The current research aimed to clarify the relationship of TNF-α and IL-1β with podocyte injury by altering VEGF/eNOS expression and hemodynamic parameters. METHODS A high-fat diet/streptozotocin-induced DN rat model was established. Serum TNF-α and IL-1β levels were tracked in the pre-T2DM, T2DM and DN stages. In the DN stage, the mRNA and protein expression levels of renal TNF-α, IL-1β, VEGF, eNOS, nephrin and WT-1 were studied. Renal hemodynamic parameters, including peak systolic velocity, end-diastolic flow velocity and mean velocity were measured with a color Doppler ultrasound technique. RESULTS Compared to those in the normal control (CTL) group, serum TNF-α and IL-1β levels increased significantly in the pre-T2DM stage (obesity, insulin resistance and hyperlipidemia), T2DM stage (hyperglycemia) and DN stage (abnormal renal functions) (all: P < 0.05) in the DN group. Serum TNF-α and IL-1β levels in the T2DM stage were significantly higher than those in the pre-T2DM stage (two: P < 0.05). Compared to the CTL group, renal nephrin, WT-1, TNF-α, IL-1β, eNOS and VEGF expression and hemodynamic parameters in the DN stage all showed significant differences separately (all: P < 0.05). CONCLUSION Increased serum and renal TNF-α and IL-1β levels played important roles in reducing renal nephrin and WT-1 expression levels, which may be related to the fact that the former affected renal VEGF/eNOS expression and blood flow parameters in the DN rats.
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Affiliation(s)
- Jufang Wang
- Department of Ultrasonic Diagnosis, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, People’s Republic of China
| | - Yating Feng
- School of Pharmacy, Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Yan Zhang
- Department of Nephrology, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, People’s Republic of China
| | - Jing Liu
- School of Pharmacy, Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Le Gong
- School of Pharmacy, Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Xiaohong Zhang
- Department of Ultrasonic Diagnosis, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, People’s Republic of China
| | - Hui Liao
- Department of Pharmacy, Fifth Hospital of Shanxi Medical University (Shanxi Provincial People’s Hospital), Taiyuan, People’s Republic of China
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