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Cai L. Invited Perspective: New Insight into Cadmium-Related Osteoporosis Yields Hope for Prevention and Therapy. ENVIRONMENTAL HEALTH PERSPECTIVES 2024; 132:61301. [PMID: 38896781 DOI: 10.1289/ehp15263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Affiliation(s)
- Lu Cai
- Pediatric Research Institute, Department of Pediatrics, University of Louisville (U of L) School of Medicine, Louisville, Kentucky, USA
- Department of Radiation Oncology, U of L School of Medicine, Louisville, Kentucky, USA
- Department of Pharmacology and Toxicology, U of L School of Medicine, Louisville, Kentucky, USA
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Wu Q, Liang Y, Kong Y, Zhang F, Feng Y, Ouyang Y, Wang C, Guo Z, Xiao J, Feng N. Role of glycated proteins in vivo: Enzymatic glycated proteins and non-enzymatic glycated proteins. Food Res Int 2022; 155:111099. [DOI: 10.1016/j.foodres.2022.111099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/24/2022] [Accepted: 03/03/2022] [Indexed: 11/04/2022]
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Xu W, Hu B, Cheng Y, Guo Y, Yao W, Qian H. Material basis research for Echinacea purpurea (L.) Moench against hepatocellular carcinoma in a mouse model through integration of metabonomics and molecular docking. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 98:153948. [PMID: 35152087 DOI: 10.1016/j.phymed.2022.153948] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 01/09/2022] [Accepted: 01/15/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Echinacea purpurea (L.) Moench (EP), a well-known "immunostimulant" in the West, is one of the most popular botanicals for patients with cancer. It has been proved to be effective against hepatocellular carcinoma (HCC), while the active ingredients remains unclear. PURPOSE This study aimed to investigate the inhibitory effect and interpret the material basis of EP against HCC through metabolomics and molecular docking. METHODS Tumor growth, biochemical analysis and pathological changes were detected in HCC-induced mice to evaluate the efficacy of EP. An integrative method combining molecular docking and LC-MS-based metabolomics was performed to evaluate the inhibitory role and screen the material basis of EP against HCC. RESULTS EP significantly suppressed tumor growth and decreased the levels of AFP. Histological analysis showed that wide areas of necrosis in the EP-treated tumors that were almost absent in those in model group. Serum metabolomics results revealed EP could significantly improve 12 serum different metabolites induced by HCC, which were involved into phenylalanine, tyrosine and tryptophan biosynthesis and phenylalanine metabolism. Then, 5 related genes were selected out to be the key targets of EP against HCC based on Metscape. 22 identified compounds were docked through Sybyl-X. The herb-compound-gene-metabolic pathways network (HCGMN) was constructed to reveal the associations between EP and HCC. Finally, 19 compounds were screened as promising active ingredients of EP against HCC. CONCLUSION The results showed that the approach integrating of metabonomics and molecular docking is a powerful strategy to obtain the active ingredients from plants.
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Affiliation(s)
- Wenqian Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Ave,, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Bin Hu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Ave,, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Yuliang Cheng
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Ave,, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Yahui Guo
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Ave,, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Weirong Yao
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - He Qian
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, No. 1800, Lihu Ave,, Wuxi, Jiangsu 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China.
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Zinc enhances carnosine inhibitory effect against structural and functional age-related protein alterations in an albumin glycoxidation model. Biometals 2020; 33:353-364. [PMID: 32997290 DOI: 10.1007/s10534-020-00254-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 09/25/2020] [Indexed: 12/20/2022]
Abstract
Age-related complications including protein alterations seen in diabetes and Alzheimer's disease are a major issue due to their accumulation and deleterious effects. This report aims to investigate the effect of zinc supplementation on the anti-glycoxidation activity of carnosine on the in vitro model of albumin-based protein modification. Besides, the therapeutic effect of this combination was tested through the addition of the molecules in tandem (co-treatment) or post initiation (post-treatment) of the protein modification process. Glycation was induced via the addition of glucose to which carnosine (5 mM) alone or with various zinc concentrations (125, 250, and 500 μM) were added either at 0 h or 24 h post-glycation induction. On the other hand, protein oxidation was induced using chloramine T (20 mM) and treated in the same way with carnosine and zinc. The different markers of glycation (advanced glycation end products (AGEs), dityrosine, and beta-sheet formation (aggregation)) and oxidation (AOPP, advanced oxidation protein products) were estimated via fluorescence and colorimetric assays. Zinc addition induced a significant enhancement of carnosine activity by reducing albumin modification that outperformed aminoguanidine both in the co- and post-treatment protocols. Zinc demonstrated a supplementary effect in combination with carnosine highlighting its potential in the protection against age-related protein modifications processes such as the ones found in diabetes.
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Wang S, Nie P, Lu X, Li C, Dong X, Yang F, Luo P, Li B. Nrf2 participates in the anti-apoptotic role of zinc in Type 2 diabetic nephropathy through Wnt/β-catenin signaling pathway. J Nutr Biochem 2020; 84:108451. [PMID: 32795642 DOI: 10.1016/j.jnutbio.2020.108451] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 04/11/2020] [Accepted: 05/27/2020] [Indexed: 12/13/2022]
Abstract
Zinc (Zn), as an essential trace element, has been approved to serve many roles in diabetic studies. Also Zn deficiency will aggravate renal damage in diabetes through suppression of nuclear factor-erythroid 2-related factor 2 (Nrf2) expression and function. The purpose of this study was to illustrate the role of Zn in renal apoptosis in diabetes and whether Nrf2 participated in the process. Type 2 diabetes mice model was induced by a single dose of streptozotocin (STZ) injection after high-fat diet (HFD) feeding for 3 months, then the mice were given diets supplemented with different concentrations of Zn (control, 30 ppm; low-concentration, 0.85 ppm). After 12-week treatment, morphology and associated protein expressions were examined. The results showed that low Zn diet significantly aggravated the level of renal apoptosis during diabetes, performed as the upregulation of caspase-3 expression. In addition, either low Zn diet or diabetes or both dramatically decreased the expression of Nrf2 and P-AKT in kidney. Moreover, the expression of β-catenin in kidney was increased markedly in diabetic groups. Mechanistic study applying human renal tubular epithelial cells (HK11) confirmed the role of Nrf2, as silencing Nrf2 expression abolished Zn supplementation protection against high sugar + high fat + low Zn-induced apoptosis and downregulation of β-catenin expression. All these results suggest that Nrf2 plays a key role in Zn protection against Type 2 diabetes induced renal apoptosis, which might be through Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Songyan Wang
- Department of Nephropathy, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China; Department of Nephropathy, Jilin Province People's Hospital, 1183 Gongnong Road, Changchun 130021, China.
| | - Ping Nie
- Department of Nephropathy, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China.
| | - Xiaodan Lu
- Diagnostics Medical Center, Jilin Province People's Hospital, 1183 Gongnong Road, Changchun 130021, China.
| | - Chunguang Li
- Department of Surgery, Changchun Traditional Chinese Medicine Hospital, 1913 Taibei Street, Changchun 130000, China.
| | - Xiaoming Dong
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China.
| | - Fan Yang
- Department of Nephropathy, Jilin Province People's Hospital, 1183 Gongnong Road, Changchun 130021, China.
| | - Ping Luo
- Department of Nephropathy, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China.
| | - Bing Li
- Department of Nephropathy, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun 130041, China.
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Kheirouri S, Alizadeh M, Maleki V. Zinc against advanced glycation end products. Clin Exp Pharmacol Physiol 2018; 45:491-498. [DOI: 10.1111/1440-1681.12904] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/08/2017] [Accepted: 11/20/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Sorayya Kheirouri
- Department of Nutrition; Tabriz University of Medical Sciences; Tabriz Iran
| | - Mohammad Alizadeh
- Department of Nutrition; Tabriz University of Medical Sciences; Tabriz Iran
| | - Vahid Maleki
- Department of Nutrition; Tabriz University of Medical Sciences; Tabriz Iran
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Wang L, Ma R, Guo Y, Sun J, Liu H, Zhu R, Liu C, Li J, Li L, Chen B, Sun L, Tang J, Zhao D, Mo F, Niu J, Jiang G, Fu M, Brömme D, Zhang D, Gao S. Antioxidant Effect of Fructus Ligustri Lucidi Aqueous Extract in Ovariectomized Rats Is Mediated through Nox4-ROS-NF-κB Pathway. Front Pharmacol 2017; 8:266. [PMID: 28588482 PMCID: PMC5438993 DOI: 10.3389/fphar.2017.00266] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 04/28/2017] [Indexed: 01/05/2023] Open
Abstract
Purpose: This study is designed to explore whether Fructus ligustri lucidi (FLL) exhibits antioxidant effect in ovariectomized (OVX) rats, and to identify the signaling pathway involved in this process. Methods: OVX rats were treated with FLL aqueous extract (3.5 g/kg) for 12 weeks. Serum, uteri, and tibias were harvested from the rats and the levels of total antioxidant capacity (TAC), nitric oxide (NO), malondialdehyde (MDA), 8-hydroxy-desoxyguanosine (8-OHdG), and superoxide dismutase (SOD) were determined. Changes in the levels of NF-κB-p65, phosphorylation of NF-κB-p65 (NF-κB-pp65), NF-κB inhibitor alpha (IκBα), phosphorylation of IκBα (p-IκBα), and NADPH oxidase 4 (Nox4) in uteri and tibias were determined by western blot, immunofluorescent and immunohistochemical analysis, respectively. In addition, the expression of cytochrome C (Cyto-C) and B-cell lymphoma-2 (Bcl-2) were determined in the tibias of rats. Histopathological changes in the bones were evaluated by hematoxylin-eosin staining. Bone mineral density (BMD) was determined in rat femurs by dual X-ray absorptiometry. Results: Treatment of OVX rats with FLL aqueous extract improved redox homeostasis by increasing the levels of TAC and NO as well as decreasing the levels of MDA and 8-OHdG in serum, tibias, and uteri. Further, FLL extract also downregulated the expression of Nox4, NF-κB-p65, NF-κB-pp65, and p-IκBα in the uteri and tibias. Furthermore, administration of FLL–OVX rats increased Bcl-2 expression and prevented cytoplasmic release of mitochondrial Cyto-C in the tibias. In addition, FLL treatment also improved bone microstructure and increased cortical bone thickness as well as increased BMD values in the femurs of OVX rats. Conclusions: FLL treatment may suppress oxidative stress response in OVX rats via regulating the Nox4/ROS/NF-κB signaling pathway. These results suggest the potential of using FLL as a natural antioxidant agent in preventing the development of osteoporosis.
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Affiliation(s)
- Lili Wang
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Rufeng Ma
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Yubo Guo
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Jing Sun
- Chinese Material Medica School, Beijing University of Chinese MedicineBeijing, China
| | - Haixia Liu
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Ruyuan Zhu
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Chenyue Liu
- Chinese Material Medica School, Beijing University of Chinese MedicineBeijing, China
| | - Jun Li
- Modern Research Center for TCM, Beijing University of Chinese MedicineBeijing, China
| | - Lin Li
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Beibei Chen
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Liping Sun
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Jinfa Tang
- The First Affiliated Hospital of He'nan TCM University, ZhengzhouHenan, China
| | - Dandan Zhao
- Diabetes Research Center, Beijing University of Chinese MedicineBeijing, China
| | - Fangfang Mo
- Diabetes Research Center, Beijing University of Chinese MedicineBeijing, China
| | - Jianzhao Niu
- Cell and Biochemistry Lab, Preclinical Medicine School, Beijing University of Chinese MedicineBeijing, China
| | - Guangjian Jiang
- Diabetes Research Center, Beijing University of Chinese MedicineBeijing, China
| | - Min Fu
- The Research Institute of McGill University Health CenterMontreal, QC, Canada
| | - Dieter Brömme
- Oral Biological Medicinal Science, University of British ColumbiaVancouver, BC, Canada
| | - Dongwei Zhang
- Diabetes Research Center, Beijing University of Chinese MedicineBeijing, China
| | - Sihua Gao
- Diabetes Research Center, Beijing University of Chinese MedicineBeijing, China
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Ranasinghe P, Pigera S, Galappatthy P, Katulanda P, Constantine GR. Zinc and diabetes mellitus: understanding molecular mechanisms and clinical implications. ACTA ACUST UNITED AC 2015; 23:44. [PMID: 26381880 PMCID: PMC4573932 DOI: 10.1186/s40199-015-0127-4] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 08/20/2015] [Indexed: 01/08/2023]
Abstract
Background Diabetes mellitus is a leading cause of morbidity and mortality worldwide. Studies have shown that Zinc has numerous beneficial effects in both type-1 and type-2 diabetes. We aim to evaluate the literature on the mechanisms and molecular level effects of Zinc on glycaemic control, β-cell function, pathogenesis of diabetes and its complications. Methods A review of published studies reporting mechanisms of action of Zinc in diabetes was undertaken in PubMed and SciVerse Scopus medical databases using the following search terms in article title, abstract or keywords; (“Zinc” or “Zn”) and (“mechanism” or “mechanism of action” or “action” or “effect” or “pathogenesis” or “pathology” or “physiology” or “metabolism”) and (“diabetes” or “prediabetes” or “sugar” or “glucose” or “insulin”). Results The literature search identified the following number of articles in the two databases; PubMed (n = 1799) and SciVerse Scopus (n = 1879). After removing duplicates the total number of articles included in the present review is 111. Our results show that Zinc plays an important role in β-cell function, insulin action, glucose homeostasis and the pathogenesis of diabetes and its complications. Conclusion Numerous in-vitro and in-vivo studies have shown that Zinc has beneficial effects in both type-1 and type-2 diabetes. However further randomized double-blinded placebo-controlled clinical trials conducted for an adequate duration, are required to establish therapeutic safety in humans. Electronic supplementary material The online version of this article (doi:10.1186/s40199-015-0127-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Priyanga Ranasinghe
- Department of Pharmacology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka.
| | - Shehani Pigera
- Department of Pharmacology, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | | | - Prasad Katulanda
- Diabetes Research Unit, Department of Clinical Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Godwin R Constantine
- Diabetes Research Unit, Department of Clinical Medicine, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
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