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Sun T, Guo Y, Su Y, Shan S, Qian W, Zhang F, Li M, Zhang Z. Molecular mechanisms of diabetic nephropathy: A narrative review. Cell Biol Int 2024; 48:1240-1253. [PMID: 38946126 DOI: 10.1002/cbin.12212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/01/2024] [Accepted: 06/16/2024] [Indexed: 07/02/2024]
Abstract
Diabetic nephropathy (DN) is the predominant secondary nephropathy resulting in global end-stage renal disease. It is attracting significant attention in both domestic and international research due to its widespread occurrence, fast advancement, and limited choices for prevention and treatment. The pathophysiology of this condition is intricate and involves multiple molecular and cellular pathways at various levels. This article provides a concise overview of the molecular processes involved in the development of DN. It discusses various factors, such as signaling pathways, cytokines, inflammatory responses, oxidative stress, cellular damage, autophagy, and epigenetics. The aim is to offer clinicians a valuable reference for DN's diagnosis, treatment, and intervention.
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Affiliation(s)
- Tian Sun
- Hubei Key Laboratory of Diabetes and Angiopathy, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yina Guo
- Hubei Key Laboratory of Diabetes and Angiopathy, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Yanting Su
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Shigang Shan
- School of Public Health and Nursing, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Wenbin Qian
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Feixue Zhang
- Hubei Key Laboratory of Diabetes and Angiopathy, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
| | - Mengxi Li
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning, China
| | - Zhenwang Zhang
- Hubei Key Laboratory of Diabetes and Angiopathy, Xianning Medical College, Hubei University of Science and Technology, Xianning, China
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Xu B, Zhang JE, Ye L, Yuan CW. Curcumin Interferes with TGF- β 1-Induced Fibrosis in NRK-49F Cells by Reversing ADAMTS18 Gene Methylation. Chin J Integr Med 2024; 30:600-607. [PMID: 37812341 DOI: 10.1007/s11655-023-3564-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/31/2023] [Indexed: 10/10/2023]
Abstract
OBJECTIVE To explore the molecular mechanism by which curcumin affects renal interstitial fibrosis (RIF) progression by regulating ADAM metallopeptidase with thrombospondin type 1 motif 18 (ADAMTS18) methylation. METHODS NRK-49F cells RIF model were induced with transforming growth factor β 1 (TGF- β 1). Effects of different concentrations of curcumin (0, 10, 20, and 30 μmol/L) on cell proliferation, cell cycle, cell apoptosis as well as cyclin D1 expression were analyzed by cell counting kit-8, flow cytometry and Western blot, respectively. ADAMTS18 methylation levels were determined by methylation-specific polymerase chain reaction. ADAMTS18, fibronectin (FN), type I collagen (Col- I) and alpha-smooth muscle actin (α -SMA) mRNA and protein expressions were analyzed by real-time PCR (RT-PCR) and Western blot, respectively. Meanwhile, cells were treated with 50 mmol/L 5-aza-2'-deoxycytidine (5-aza-dC, demethylation agent) for 72 h. Effect of curcumin on extracellular matrix (ECM) deposition was evaluated by immunochemical staining and Western blot. NRK-49F cells were transfected with ADAMTS18 small interfering RNA and grouped into a normal control, ADAMTS18-knock-out (KO), and ADAMTS18-KO+ 30 μmol/L curcumin groups, and whether curcumin can reverse the effect of ADAMTS18 knockdown on RIF was evaluated. RESULTS Compared with the control group, TGF-β 1 significantly inhibited the proliferation of NRK-49F cells, blocked the G1/G0 phase, promoted cell apoptosis and inhibited cyclin D1 expression (P<0.01). Among the different concentrations of curcumin, 30 μmol/L curcumin significantly reversed these processes (P<0.01). Immunochemical staining and Western blot results showed that curcumin significantly inhibited the deposition of FN, Col- I and α-SMA (P<0.01). Curcumin and 5-zaz-dC had synergistic effects, promoting ADAMTS18 expression, removing ADAMTS18 methylation, and reducing ECM deposition. ADAMTS18 knockdown promoted ECM accumulation, and curcumin reversed this process (P<0.01). CONCLUSION TGF-β 1-induced fibrosis in NRK-49F cells. Curcumin promoted ADAMTS18 expression, reduced ECM accumulation, and alleviated RIF progression by inhibiting ADAMTS18 methylation.
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Affiliation(s)
- Ben Xu
- Department of Urology, Peking University First Hospital and Institute of Urology, Peking University, National Urological Cancer Center, Beijing, 100034, China.
| | - Jia-En Zhang
- Department of Urology, Peking University First Hospital and Institute of Urology, Peking University, National Urological Cancer Center, Beijing, 100034, China
| | - Lin Ye
- Department of Urology, Peking University First Hospital and Institute of Urology, Peking University, National Urological Cancer Center, Beijing, 100034, China
| | - Chang-Wei Yuan
- Department of Urology, Peking University First Hospital and Institute of Urology, Peking University, National Urological Cancer Center, Beijing, 100034, China
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Zamanian MY, Alsaab HO, Golmohammadi M, Yumashev A, Jabba AM, Abid MK, Joshi A, Alawadi AH, Jafer NS, Kianifar F, Obakiro SB. NF-κB pathway as a molecular target for curcumin in diabetes mellitus treatment: Focusing on oxidative stress and inflammation. Cell Biochem Funct 2024; 42:e4030. [PMID: 38720663 DOI: 10.1002/cbf.4030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 04/05/2024] [Accepted: 04/25/2024] [Indexed: 08/03/2024]
Abstract
Diabetes mellitus (DM) is a collection of metabolic disorder that is characterized by chronic hyperglycemia. Recent studies have demonstrated the crucial involvement of oxidative stress (OS) and inflammatory reactions in the development of DM. Curcumin (CUR), a natural compound derived from turmeric, exerts beneficial effects on diabetes mellitus through its interaction with the nuclear factor kappa B (NF-κB) pathway. Research indicates that CUR targets inflammatory mediators in diabetes, including tumor necrosis factor α (TNF-α) and interleukin-6 (IL-6), by modulating the NF-κB signaling pathway. By reducing the expression of these inflammatory factors, CUR demonstrates protective effects in DM by improving pancreatic β-cells function, normalizing inflammatory cytokines, reducing OS and enhancing insulin sensitivity. The findings reveal that CUR administration effectively lowered blood glucose elevation, reinstated diminished serum insulin levels, and enhanced body weight in Streptozotocin -induced diabetic rats. CUR exerts its beneficial effects in management of diabetic complications through regulation of signaling pathways, such as calcium-calmodulin (CaM)-dependent protein kinase II (CaMKII), peroxisome proliferator-activated receptor gamma (PPAR-γ), NF-κB, and transforming growth factor β1 (TGFB1). Moreover, CUR reversed the heightened expression of inflammatory cytokines (TNF-α, Interleukin-1 beta (IL-1β), IL-6) and chemokines like MCP-1 in diabetic specimens, vindicating its anti-inflammatory potency in counteracting hyperglycemia-induced alterations. CUR diminishes OS, avert structural kidney damage linked to diabetic nephropathy, and suppress NF-κB activity. Furthermore, CUR exhibited a protective effect against diabetic cardiomyopathy, lung injury, and diabetic gastroparesis. Conclusively, the study posits that CUR could potentially offer therapeutic benefits in relieving diabetic complications through its influence on the NF-κB pathway.
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Affiliation(s)
- Mohammad Yasin Zamanian
- Department of Physiology, Hamadan University of Medical Sciences, Hamadan, Iran
- Department of Pharmacology and Toxicology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hashem O Alsaab
- Department of Pharmaceutics and Pharmaceutical Technology, Taif University, Taif, Saudi Arabia
| | - Maryam Golmohammadi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alexey Yumashev
- Department of Prosthetic Dentistry, Sechenov First Moscow State Medical University, Moscow, Russia
| | - Abeer Mhussan Jabba
- Colleges of Pharmacy, National University of Science and Technology, Dhi Qar, Iraq
| | - Mohammed Kadhem Abid
- Department of Anesthesia, College of Health & Medical Technology, Al-Ayen University, Nasiriyah, Iraq
| | - Abhishek Joshi
- Department of Liberal Arts School of Liberal Arts, Uttaranchal University, Dehradun, India
| | - Ahmed Hussien Alawadi
- College of Technical Engineering, The Islamic University, Najaf, Iraq
- College of Technical Engineering, The Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- College of Technical Engineering, The Islamic University of Babylon, Babylon, Iraq
| | - Noor S Jafer
- Department of Medical Laboratory Technologies, Al Rafidain University College, Bagdad, Iraq
| | - Farzaneh Kianifar
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Samuel Baker Obakiro
- Department of Pharmacology and Therapeutics, Faculty of Health Sciences, Busitema University, Mbale, Uganda
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Das MJ, Banerjee D, Banerjee A, Muchahary S, Sinha A, Gogoi D, Chattopadhyay P, Dasgupta S, Deka SC. Safety and antidiabetic activity of Lagenaria siceraria (Molina) Standl. juice in streptozotocin -induced diabetic rats. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117111. [PMID: 37673199 DOI: 10.1016/j.jep.2023.117111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 08/06/2023] [Accepted: 08/29/2023] [Indexed: 09/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Diabetes and its complications have overwhelmed India's healthcare system. Current therapies are expensive and have adverse side effects, thus dietary changes and alternative treatments are needed. Lagenaria siceraria (Molina) Standl. Juice is used mainly for its nutritional and medicinal values, however toxicity of the juice and antidiabetic effects have been poorly characterized. AIM OF THE STUDY To investigate the toxicity, anti-diabetic and anti-inflammatory efficacy of Lagenaria siceraria (Molina) Standl. (LS) juice. MATERIALS AND METHODS In vitro antidiabetic (α-glucosidase, α-amylase and DPP-4 inhibitory) activities were screened using standard procedures. The glucose uptake test was carried out by using L6 rat skeletal muscle cell line. In vivo sub-acute toxicity of LS juice was assessed on Wistar rats. Wistar rats were induced with diabetes by a single intraperitoneal (I.P) injection of freshly prepared streptozotocin (55 mg/kg body weight). The animals were randomly divided into 6 groups: normal control, untreated diabetic control, diabetic rats. Different dose of 200 mg/kg, 400 mg/kg and 600 mg/kg body weight of LS juice were administered, one group of diabetic rats were administered with 2 IU/mL insulin. The rats were sacrificed on the 31st day of the experiment and various in vivo biochemical parameters were evaluated in the serum and tissue homogenates of diabetic rats. RESULTS Significant dose-dependent inhibition of α-amylase (22.6%), α-glucosidase (50.13%), and DPP-4 (61.50%) activity was observed by LS juice. LS juice (10 μg/mL) increased insulin-mediated 2NBDG (2-(N-(7-Nitrobenz-2-oxa-1,3-diazol-4-yl) Amino)-2-Deoxyglucose) absorption in L6 cells. Animals treated with LS juice showed no toxicity or unfavorable pharmacological effects. Lagenaria siceraria (Molina) Standl. Juice improved glucose tolerance in diabetic rats with reduced fasting blood glucose. Lipopolysaccharide induced NF-κB, TNF-α and IL-1β production was also decreased in rats fed with LS juice. CONCLUSION Lagenaria siceraria (Molina) Standl. Juice has demonstrated promising anti-inflammatory properties as well as the capacity to inhibit the digestion enzymes glucosidase and amylase. Our findings thus open new avenues for further research into the antidiabetic potential of LS juice.
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Affiliation(s)
- Manas Jyoti Das
- Department of Food Engineering and Technology, Tezpur University, Tezpur, Assam, 784028, India
| | - Dipanjan Banerjee
- Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur, Assam, 784028, India
| | - Amartya Banerjee
- Division of Pharmaceutical Technology, Defence Research Laboratory, DRDO, Tezpur, Assam, 784001, India
| | - Sangita Muchahary
- Department of Food Engineering and Technology, Tezpur University, Tezpur, Assam, 784028, India
| | - Archana Sinha
- Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur, Assam, 784028, India
| | | | - Pronobesh Chattopadhyay
- Division of Pharmaceutical Technology, Defence Research Laboratory, DRDO, Tezpur, Assam, 784001, India
| | - Suman Dasgupta
- Department of Molecular Biology and Biotechnology, Tezpur University, Tezpur, Assam, 784028, India
| | - Sankar Chandra Deka
- Department of Food Engineering and Technology, Tezpur University, Tezpur, Assam, 784028, India.
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Kumawat VS, Kaur G. Cannabinoid receptor 2 (CB 2) agonists and L-arginine ameliorate diabetic nephropathy in rats by suppressing inflammation and fibrosis through NF-κβ pathway. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:381-393. [PMID: 37450015 DOI: 10.1007/s00210-023-02597-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Accepted: 06/21/2023] [Indexed: 07/18/2023]
Abstract
Diabetic nephropathy (DN) is a condition that leads to end-stage chronic kidney disease characterized by inflammation and a deficiency of nitric oxide (NO). Cannabinoid receptor (CB2) activation by specific agonist reduces nuclear factor kappa beta (NF-κβ) expression. Beta caryophyllene (BCP), a natural CB2 receptor activator, protects kidney function in several diseases. L-Arginine (LA) modulates several physiological processes by donating nitric oxide (NO). Hence, we tested a novel BCP-LA combination to treat DN and investigated its molecular mechanisms. BCP, LA, and combinations of both were evaluated in LPS-induced RAW 264.7 macrophage inflammation as well as in streptozotocin (55 mg/kg)-induced diabetes in SD rats. Diabetic rats were administered 200 mg/kg of BCP, 100 mg/kg of LA, and combination of both orally for 28 days. Biochemical markers and inflammatory cytokines were assessed in plasma; also, kidney tissue was examined for renal oxidative stress injury, NF-κβ expression, and histology. After 28 days of treatment, BCP and LA combination significantly lowered plasma glucose levels than the disease control group. BCP and LA also normalized renal markers and oxidative stress of diabetic rats. Plasma and RAW macrophage cell lines showed reduced levels of IL-6 and TNF-α (P < 0.001). Histopathological evaluations revealed that BCP and LA together decreased renal fibrosis and collagen deposition also improved nephrotic indices. Meanwhile, the effect of BCP and LA together significantly reduced the NF-κβ (P < 0.01) against diabetic rats. These results indicate that the innovative regimen BCP with LA may be a therapeutic treatment for DN, as it protects kidney tissue from diabetes via NF-κβ inhibition.
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Affiliation(s)
- Vivek S Kumawat
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, 400056, India
| | - Ginpreet Kaur
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V. L. Mehta Road, Vile Parle (W), Mumbai, 400056, India.
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Alsulaim AK, Almutaz TH, Albati AA, Rahmani AH. Therapeutic Potential of Curcumin, a Bioactive Compound of Turmeric, in Prevention of Streptozotocin-Induced Diabetes through the Modulation of Oxidative Stress and Inflammation. Molecules 2023; 29:128. [PMID: 38202711 PMCID: PMC10779985 DOI: 10.3390/molecules29010128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 01/12/2024] Open
Abstract
This study evaluates the anti-diabetic potential and underlying mechanisms of curcumin in streptozotocin (STZ)-induced type 2 diabetes mellitus (T2DM) rats. The rats were randomly divided into four groups: normal control, negative control (diabetic group), diabetic group receiving glibenclamide (positive control group), and curcumin plus STZ (treatment group). The anti-diabetic activities of curcumin were examined at a dose of 50 mg/kg body weight through physiological, biochemical, and histopathological analysis. Compared to the normal control group rats, elevated levels of glucose, creatinine, urea, triglycerides (TG), and total cholesterol (TC) and low levels of insulin were found in the negative control rats. Curcumin treatment showed a significant decrease in these parameters and an increase in insulin level as compared to negative control rats. In negative control rats, a reduced level of antioxidant enzymes and an increased level of lipid peroxidation and inflammatory marker levels were noticed. Oral administration of curcumin significantly ameliorated such changes. From histopathological findings, it was noted that diabetic rats showed changes in the kidney tissue architecture, including the infiltration of inflammatory cells, congestion, and fibrosis, while oral administration of curcumin significantly reduced these changes. Expression of IL-6 and TNF-α protein was high in diabetic rats as compared to the curcumin treatment groups. Hence, based on biochemical and histopathological findings, this study delivers a scientific suggestion that curcumin could be a suitable remedy in the management of diabetes mellitus.
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Affiliation(s)
| | | | | | - Arshad Husain Rahmani
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah 51452, Saudi Arabia; (A.K.A.); (T.H.A.); (A.A.A.)
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Ghany LMAA, Beshay BY, Youssef Moustafa AM, Maghrabi AHA, Ali EHK, Saleem RM, Zaki I, Ryad N. Design, synthesis, anti-inflammatory evaluation, and molecular modelling of new coumarin-based analogs combined curcumin and other heterocycles as potential TNF-α production inhibitors via upregulating Nrf2/HO-1, downregulating AKT/mTOR signalling pathways and downregulating NF-κB in LPS induced macrophages. J Enzyme Inhib Med Chem 2023; 38:2243551. [PMID: 37558232 PMCID: PMC10413923 DOI: 10.1080/14756366.2023.2243551] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/30/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023] Open
Abstract
Persistent inflammation contributes to various inflammatory conditions. Inflammation-related diseases may be treated by inhibiting pro-inflammatory mediators and cytokines. Curcumin and coumarin derivatives can target signalling pathways and cellular factors to address immune-related and inflammatory ailments. This study involved designing and synthesising three series of coumarin-based analogs that incorporated curcumin and other heterocycles. These analogs were evaluated for their potential as anti-inflammatory agents in LPS-induced macrophages. Among the fourteen synthesised coumarin derivatives, compound 14b, which contained 3,4-dimethoxybenzylidene hydrazinyl, demonstrated the highest anti-inflammatory activity with an EC50 value of 5.32 μM. The anti-inflammatory effects of 14b were achieved by modulating signalling pathways like AKT/mTOR and Nrf2/HO-1, and downregulating NF-kβ, resulting in reduced production of pro-inflammatory cytokines such as IL-6, IL-1β, and TNF-α. The modelling studies revealed that 14b and dexamethasone bind to the same TNF-α pocket, suggesting that 14b has potential as a therapeutic agent superior to dexamethasone for TNF-α.
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Affiliation(s)
- Lina M. A. Abdel Ghany
- Pharmaceutical Chemistry Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, 6th of October City, Egypt
| | - Botros Y. Beshay
- Pharmaceutical Sciences (Pharmaceutical Chemistry) Department, College of Pharmacy, Arab Academy for Science, Technology and Maritime Transport, Alexandria, Egypt
| | | | | | | | - Rasha Mohammed Saleem
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Al-Baha University, Al-Baha, Saudi Arabia
| | - Islam Zaki
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Port Said University, Port Said, Egypt
| | - Noha Ryad
- Pharmaceutical Organic Chemistry Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, 6th of October City, Egypt
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Li M, Nguyen L, Ferens D, Spizzo I, Wang Y, Denton KM, Del Borgo M, Kulkarni K, Aguilar MI, Qin CH, Samuel CS, Gaspari TA, Widdop RE. Novel AT 2R agonist, β-Pro 7Ang III, is cardio- and vaso-protective in diabetic spontaneously hypertensive rats. Biomed Pharmacother 2023; 165:115238. [PMID: 37536036 DOI: 10.1016/j.biopha.2023.115238] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/15/2023] [Accepted: 07/25/2023] [Indexed: 08/05/2023] Open
Abstract
Stimulation of the angiotensin II type 2 receptor (AT2R) evokes protective effects in various cardiovascular diseases. Thus, this study aimed to investigate the effects of AT2R stimulation, with or without AT1R blockade, in a model of hypertension with concomitant type 1 diabetes mellitus (T1DM). Spontaneously hypertensive rats (SHRs) were given either citrate or a single dose of streptozotocin (STZ; 55 mg/kg, i.p.) to induce diabetes. After 4 weeks of diabetes, animals were administered either a vehicle (saline), AT2R agonist, β-Pro7Ang III (0.1 mg/kg/day via osmotic mini-pump), AT1R blocker, candesartan (2 mg/kg/day via drinking water), or a combination of both for a further 8 weeks. β-Pro7Ang III treatment had no effect on blood pressure, but attenuated the significant increase in cardiac interstitial collagen and protein expression of fibrotic and inflammatory markers, and superoxide levels that was evident in diabetic SHRs. These effects were not observed with candesartan, despite its blood pressure lowering effects. Although β-Pro7Ang III had no effect on aortic fibrosis, it significantly attenuated MCP-1 protein expression and superoxide levels when compared to both the non-diabetic and diabetic SHRs, to a similar extent as candesartan. In both the heart and vasculature, the effects of β-Pro7Ang III in combination with candesartan were similar to those of β-Pro7Ang III alone, and superior to candesartan alone. It was concluded that in hypertension with concomitant diabetes, AT2R stimulation with a novel ligand alone, or in combination with AT1R blockade, improved the cardiac and vascular structural changes that were strongly associated with inflammation and oxidative stress, independent of blood pressure regulation.
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Affiliation(s)
- Mandy Li
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia
| | - Levi Nguyen
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Dorota Ferens
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Iresha Spizzo
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Yan Wang
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Kate M Denton
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Physiology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Mark Del Borgo
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Ketav Kulkarni
- Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Marie-Isabel Aguilar
- Department of Biochemistry and Molecular Biology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Chengxue Helena Qin
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia
| | - Chrishan S Samuel
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Tracey A Gaspari
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia
| | - Robert E Widdop
- Cardiovascular Disease Program, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia; Department of Pharmacology, Monash Biomedicine Discovery Institute (BDI), Monash University, Clayton, VIC, Australia.
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Pasdaran A, Hassani B, Tavakoli A, Kozuharova E, Hamedi A. A Review of the Potential Benefits of Herbal Medicines, Small Molecules of Natural Sources, and Supplements for Health Promotion in Lupus Conditions. Life (Basel) 2023; 13:1589. [PMID: 37511964 PMCID: PMC10416186 DOI: 10.3390/life13071589] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/05/2023] [Accepted: 07/12/2023] [Indexed: 07/30/2023] Open
Abstract
The Latin word lupus, meaning wolf, was in the medical literature prior to the 1200s to describe skin lesions that devour flesh, and the resources available to physicians to help people were limited. The present text reviews the ethnobotanical and pharmacological aspects of medicinal plants and purified molecules from natural sources with efficacy against lupus conditions. Among these molecules are artemisinin and its derivatives, antroquinonol, baicalin, curcumin, emodin, mangiferin, salvianolic acid A, triptolide, the total glycosides of paeony (TGP), and other supplements such as fatty acids and vitamins. In addition, medicinal plants, herbal remedies, mushrooms, and fungi that have been investigated for their effects on different lupus conditions through clinical trials, in vivo, in vitro, or in silico studies are reviewed. A special emphasis was placed on clinical trials, active phytochemicals, and their mechanisms of action. This review can be helpful for researchers in designing new goal-oriented studies. It can also help practitioners gain insight into recent updates on supplements that might help patients suffering from lupus conditions.
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Affiliation(s)
- Ardalan Pasdaran
- Department of Pharmacognosy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran;
- Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
| | - Bahareh Hassani
- Student Research Committee, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran;
| | - Ali Tavakoli
- Research Center for Traditional Medicine and History of Medicine, Department of Persian Medicine, School of Medicine, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran;
| | - Ekaterina Kozuharova
- Department of Pharmacognosy, Faculty of Pharmacy, Medical University of Sofia, 1431 Sofia, Bulgaria;
| | - Azadeh Hamedi
- Department of Pharmacognosy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran;
- Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran
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Krisnamurti DGB, Louisa M, Poerwaningsih EH, Tarigan TJE, Soetikno V, Wibowo H, Nugroho CMH. Vitamin D supplementation alleviates insulin resistance in prediabetic rats by modifying IRS-1 and PPARγ/NF-κB expressions. Front Endocrinol (Lausanne) 2023; 14:1089298. [PMID: 37324274 PMCID: PMC10266204 DOI: 10.3389/fendo.2023.1089298] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 05/08/2023] [Indexed: 06/17/2023] Open
Abstract
Background Prediabetes is a condition of intermediate hyperglycemia that may progress to type 2 diabetes. Vitamin D deficiency has been frequently linked to insulin resistance and diabetes. The study aimed to investigate the role of D supplementation and its possible mechanism of action on insulin resistance in prediabetic rats. Method The study was conducted on 24 male Wistar rats that were randomly divided into 6 rats as healthy controls and 18 prediabetic rats. Prediabetic rats were induced with a high-fat and high-glucose diet (HFD-G) combined with a low dose of streptozotocin. Rats with the prediabetic condition were then randomized into three groups of 12-week treatment: one group that received no treatment, one that received vitamin D3 at 100 IU/kg BW, and one group that received vitamin D3 at 1000 IU/kg BW. The high-fat and high-glucose diets were continuously given throughout the twelve weeks of treatment. At the end of the supplementation period, glucose control parameters, inflammatory markers, and the expressions of IRS1, PPARγ, NF-κB, and IRS1 were measured. Results Vitamin D3 dose-dependently improves glucose control parameters, as shown by the reduction of fasting blood glucose (FBG), oral glucose tolerance test (OGTT), glycated albumin, insulin levels, and markers of insulin resistance (HOMA-IR). Upon histological analysis, vitamin D supplementation resulted in a reduction of the islet of Langerhans degeneration. Vitamin D also enhanced the ratio of IL-6/IL-10, reduced IRS1 phosphorylation at Ser307, increased expression of PPAR gamma, and reduced phosphorylation of NF-KB p65 at Ser536. Conclusion Vitamin D supplementation reduces insulin resistance in prediabetic rats. The reduction might be due to the effects of vitamin D on IRS, PPARγ, and NF-κB expression.
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Affiliation(s)
| | - Melva Louisa
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Erni H. Poerwaningsih
- Department of Medical Pharmacy, Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
| | - Tri Juli Edi Tarigan
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Dr. Cipto Mangunkusumo National Referral Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Vivian Soetikno
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Heri Wibowo
- Department of Parasitology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
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11
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D'andurain J, López V, Arazo-Rusindo M, Tiscornia C, Aicardi V, Simón L, Mariotti-Celis MS. Effect of Curcumin Consumption on Inflammation and Oxidative Stress in Patients on Hemodialysis: A Literature Review. Nutrients 2023; 15:nu15102239. [PMID: 37242121 DOI: 10.3390/nu15102239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
Advanced chronic kidney disease (CKD) stages lead to exacerbated inflammation and oxidative stress. Patients with CKD in stage 5 need renal hemodialysis (HD) to remove toxins and waste products. However, this renal replacement therapy is inefficient in controlling inflammation. Regular curcumin consumption has been shown to reduce inflammation and oxidative stress in subjects with chronic pathologies, suggesting that the daily intake of curcumin may alleviate these conditions in HD patients. This review analyzes the available scientific evidence regarding the effect of curcumin intake on oxidative stress and inflammation in HD patients, focusing on the mechanisms and consequences of HD and curcumin consumption. The inclusion of curcumin as a dietary therapeutic supplement in HD patients has shown to control the inflammation status. However, the optimal dose and oral vehicle for curcumin administration are yet to be determined. It is important to consider studies on curcumin bioaccessibility to design effective oral administration vehicles. This information will contribute to the achievement of future nutritional interventions that validate the efficacy of curcumin supplementation as part of diet therapy in HD.
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Affiliation(s)
- Javiera D'andurain
- Nutrition and Dietetic School, Facultad de Medicina, Universidad Finis Terrae, Pedro de Valdivia 1509, Santiago 7501015, Chile
| | - Vanessa López
- Nutrition and Dietetic School, Facultad de Medicina, Universidad Finis Terrae, Pedro de Valdivia 1509, Santiago 7501015, Chile
| | - Migdalia Arazo-Rusindo
- Nutrition and Dietetic School, Facultad de Medicina, Universidad Finis Terrae, Pedro de Valdivia 1509, Santiago 7501015, Chile
| | - Caterina Tiscornia
- Nutrition and Dietetic School, Facultad de Medicina, Universidad Finis Terrae, Pedro de Valdivia 1509, Santiago 7501015, Chile
| | - Valeria Aicardi
- Institute of Nutrition and Food Technology, Escuela de Post Grado, Universidad de Chile, El Líbano 5524, Santiago 8331051, Chile
| | - Layla Simón
- Nutrition and Dietetic School, Facultad de Medicina, Universidad Finis Terrae, Pedro de Valdivia 1509, Santiago 7501015, Chile
| | - María Salomé Mariotti-Celis
- Nutrition and Dietetic School, Facultad de Medicina, Universidad Finis Terrae, Pedro de Valdivia 1509, Santiago 7501015, Chile
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12
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Sadeghi M, Dehnavi S, Asadirad A, Xu S, Majeed M, Jamialahmadi T, Johnston TP, Sahebkar A. Curcumin and chemokines: mechanism of action and therapeutic potential in inflammatory diseases. Inflammopharmacology 2023; 31:1069-1093. [PMID: 36997729 DOI: 10.1007/s10787-023-01136-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 01/09/2023] [Indexed: 04/01/2023]
Abstract
Chemokines belong to the family of cytokines with chemoattractant properties that regulate chemotaxis and leukocyte migration, as well as the induction of angiogenesis and maintenance of hemostasis. Curcumin, the major component of the Curcuma longa rhizome, has various pharmacological actions, including anti-inflammatory, immune-regulatory, anti-oxidative, and lipid-modifying properties. Chemokines and chemokine receptors are influenced/modulated by curcumin. Thus, the current review focuses on the molecular mechanisms associated with curcumin's effects on chemoattractant cytokines, as well as putting into context the many studies that have reported curcumin-mediated regulatory effects on inflammatory conditions in the organs/systems of the body (e.g., the central nervous system, liver, and cardiovascular system). Curcumin's effects on viral and bacterial infections, cancer, and adverse pregnancy outcomes are also reviewed.
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Affiliation(s)
- Mahvash Sadeghi
- Department of Immunology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sajad Dehnavi
- Department of Immunology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ali Asadirad
- Department of Immunology, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Suowen Xu
- Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | | | - Tannaz Jamialahmadi
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Thomas P Johnston
- Division of Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, Kansas City, MO, USA
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- School of Medicine, The University of Western Australia, Perth, Australia.
- Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, P.O. Box, Mashhad, 91779-48564, Iran.
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13
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Fareed SA, Yousef EM, Abd El-Moneam SM. Assessment of Effects of Rosemary Essential Oil on the Kidney Pathology of Diabetic Adult Male Albino Rats. Cureus 2023; 15:e35736. [PMID: 37016650 PMCID: PMC10067024 DOI: 10.7759/cureus.35736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/02/2023] [Indexed: 03/06/2023] Open
Abstract
Background Diabetic nephropathy is a severe condition that causes persistent kidney problems and chronic renal failure. Rosemary (Rosmarinus officinalis L) is widely recognized for its antioxidant, antidiabetic, anti-inflammatory, antithrombotic, hepatoprotective, and anticancer activities. The current study evaluated rosemary essential oil (REO) effects on biochemical, histological, and immunohistochemical kidney alterations in streptozotocin (STZ)-induced diabetic rats and compared these effects with those of insulin and both combined. Methods We randomly distributed 36 adult albino rats into 6 groups: normal control (non-diabetic), diabetic (streptozotocin, 55 mg/kg, intraperitoneal), diabetic insulin-treated (Lantus insulin 2 units/day, SC), diabetic REO-treated (REO, 10 ml, nasogastric gavage), and diabetic insulin & REO-treated groups. Biochemical, histological, and immunohistochemical analyses were conducted. Results The diabetic group revealed a substantial increase in blood glucose, urea, creatinine, and uric acid, as well as malondialdehyde (MDA) and catalase (CAT) concentrations in kidney homogenates, high score of tubular injury, and increased glomerulosclerosis, along with marked reduction of total glutathione (GSH) and superoxide dismutase (SOD) when compared to control. Evident improvement was detected in rats treated with REO as it demonstrated antioxidant, anti-inflammatory, anti-apoptotic, pro-proliferative, and mild anti-hyperglycemic effects on diabetic rats, reducing the kidney damage caused by diabetes. Combined insulin and REO restored normal blood glucose, renal excretory function tests, antioxidant markers, and renal cortex histology. Conclusion The data presented in the current study's in vivo animal model suggests that REO supplementation has beneficial nephroprotective effects on the structural and, to a lesser extent, functional levels of diabetic rats. Furthermore, the detected nephroprotective effects of insulin and REO combined are superior to those of either administered alone. However, further studies are needed to evaluate these conclusions in humans further.
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Abdollahi E, Johnston TP, Ghaneifar Z, Vahedi P, Goleij P, Azhdari S, Moghaddam AS. Immunomodulatory Therapeutic Effects of Curcumin on M1/M2 Macrophage Polarization in Inflammatory Diseases. Curr Mol Pharmacol 2023; 16:2-14. [PMID: 35331128 DOI: 10.2174/1874467215666220324114624] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 07/02/2021] [Accepted: 08/16/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Due to their plasticity, macrophages exert critical effects on both promoting and suppressing inflammatory processes. Pathologic inflammatory conditions are frequently correlated with dynamic alterations in macrophage activation, with classically activated M1 cells associated with the promotion and maintenance of inflammation and M2 cells being linked to the resolution or smouldering of chronic inflammation. Inflammation deputes a common feature of various chronic diseases and the direct involvement in the insurgence and development of these conditions. Macrophages participate in an autoregulatory loop characterizing the inflammatory process, as they produce a wide range of biologically active mediators that exert either deleterious or beneficial effects during the inflammation. Therefore, balancing the favorable ratios of M1/M2 macrophages can help ameliorate the inflammatory landscape of pathologic conditions. Curcumin is a component of turmeric with many pharmacological properties. OBJECTIVE Recent results from both in-vivo and in-vitro studies have indicated that curcumin can affect polarization and/or functions of macrophage subsets in the context of inflammation-related diseases. There is no comprehensive review of the impact of curcumin on cytokines involved in macrophage polarization in the context of inflammatory diseases. The present review will cover some efforts to explore the underlying molecular mechanisms by which curcumin modulates the macrophage polarization in distant pathological inflammatory conditions, such as cancer, autoimmunity, renal inflammation, stroke, atherosclerosis, and macrophage-driven pathogenesis. RESULTS The accumulation of the findings from in vitro and in vivo experimental studies suggests that curcumin beneficially influences M1 and M2 macrophages in a variety of inflammatory diseases with unfavorable macrophage activation. CONCLUSION Curcumin not only enhances anti-tumor immunity (via shifting M polarization towards M1 phenotype and/or up-regulation of M1 markers expression) but ameliorates inflammatory diseases, including autoimmune diseases (experimental autoimmune myocarditis and Behcet's disease), nephropathy, chronic serum sickness, stroke, and atherosclerosis.
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Affiliation(s)
- Elham Abdollahi
- Department of Gynecology, Woman Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Medical Immunology and Allergy, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Thomas P Johnston
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, Missouri, USA
| | - Zahra Ghaneifar
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Parviz Vahedi
- Department of Anatomical Sciences, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Pouya Goleij
- Department of Genetics, Faculty of Biology, Sana Institute of Higher Education, Sari, Iran
| | - Sara Azhdari
- Department of Anatomy and Embryology, School of Medicine, Bam University of Medical Sciences, Bam, Iran
| | - Abbas Shapouri Moghaddam
- Department of Immunology, Bu-Ali Research Institute, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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15
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Sadeghian M, Rahmani S, Jafarieh A, Jamialahmadi T, Sahebkar A. The effect of curcumin supplementation on renal function: A systematic and meta-analysis of randomized controlled trials. J Funct Foods 2023. [DOI: 10.1016/j.jff.2022.105396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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16
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Mohamadian M, Parsamanesh N, Chiti H, Sathyapalan T, Sahebkar A. Protective effects of curcumin on ischemia/reperfusion injury. Phytother Res 2022; 36:4299-4324. [PMID: 36123613 DOI: 10.1002/ptr.7620] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/06/2022] [Accepted: 08/24/2022] [Indexed: 12/13/2022]
Abstract
Ischemia/reperfusion (I/R) injury is a term used to describe phenomena connected to the dysfunction of various tissue damage due to reperfusion after ischemic injury. While I/R may result in systemic inflammatory response syndrome or multiple organ dysfunction syndrome, there is still a long way to improve therapeutic outcomes. A number of cellular metabolic and ultrastructural alterations occur by prolonged ischemia. Ischemia increases the expression of proinflammatory gene products and bioactive substances within the endothelium, such as cytokines, leukocytes, and adhesion molecules, even as suppressing the expression of other "protective" gene products and substances, such as thrombomodulin and constitutive nitric oxide synthase (e.g., prostacyclin, nitric oxide [NO]). Curcumin is the primary phenolic pigment derived from turmeric, the powdered rhizome of Curcuma longa. Numerous studies have shown that curcumin has strong antiinflammatory and antioxidant characteristics. It also prevents lipid peroxidation and scavenges free radicals like superoxide anion, singlet oxygen, NO, and hydroxyl. In our study, we highlight the mechanisms of protective effects of curcumin against I/R injury in various organs.
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Affiliation(s)
- Malihe Mohamadian
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Negin Parsamanesh
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Hossein Chiti
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Thozhukat Sathyapalan
- Department of Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Hull, UK
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Medicine, The University of Western Australia, Perth, Australia.,Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Badr G, Sayed LH, Omar HEDM, ِAbd Elghaffar SK, Menshawy MM. Bee gomogenat rescues lymphoid organs from degeneration by regulating the crosstalk between apoptosis and autophagy in streptozotocin-induced diabetic mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:68990-69007. [PMID: 35554836 PMCID: PMC9508069 DOI: 10.1007/s11356-022-20457-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 04/21/2022] [Indexed: 06/15/2023]
Abstract
Diabetes mellitus (DM) is a metabolic disorder that causes severe complications in several tissues due to redox imbalances, which in turn cause defective angiogenesis in response to ischemia and activate a number of proinflammatory pathways. Our study aimed to investigate the effect of bee gomogenat (BG) dietary supplementation on the architecture of immune organs in a streptozotocin (STZ)-induced type 1 diabetes (T1D) mouse model. Three animal groups were used: the control non-diabetic, diabetic, and BG-treated diabetic groups. STZ-induced diabetes was associated with increased levels of blood glucose, ROS, and IL-6 and decreased levels of IL-2, IL-7, IL-4, and GSH. Moreover, diabetic mice showed alterations in the expression of autophagy markers (LC3, Beclin-1, and P62) and apoptosis markers (Bcl-2 and Bax) in the thymus, spleen, and lymph nodes. Most importantly, the phosphorylation level of AKT (a promoter of cell survival) was significantly decreased, but the expression levels of MCP-1 and HSP-70 (markers of inflammation) were significantly increased in the spleen and lymph nodes in diabetic mice compared to control animals. Interestingly, oral supplementation with BG restored the levels of blood glucose, ROS, IL-6, IL-2, IL-4, IL-7, and GSH in diabetic mice. Treatment with BG significantly abrogated apoptosis and autophagy in lymphoid organs in diabetic mice by restoring the expression levels of LC3, Beclin-1, P62, Bcl-2, and Bax; decreasing inflammatory signals by downregulating the expression of MCP-1 and HSP-70; and promoting cell survival by enhancing the phosphorylation of AKT. Our data were the first to reveal the therapeutic potential of BG on the architecture of lymphoid organs and enhancing the immune system during T1D.
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Affiliation(s)
- Gamal Badr
- Zoology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
- Laboratory of Immunology, Zoology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
| | - Leila H Sayed
- Zoology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
- Laboratory of Immunology, Zoology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
| | | | - Sary Khaleel ِAbd Elghaffar
- Pathology and clinical pathology Department, Faculty of Veterinary Medicine, Assiut University, Assiut, 71516, Egypt
| | - Medhat M Menshawy
- Department of Biology, Misr University of Science and Technology, 6th October City, Egypt
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Zhu X, Xu X, Du C, Su Y, Yin L, Tan X, Liu H, Wang Y, Xu L, Xu X. An examination of the protective effects and molecular mechanisms of curcumin, a polyphenol curcuminoid in diabetic nephropathy. Biomed Pharmacother 2022; 153:113438. [DOI: 10.1016/j.biopha.2022.113438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 11/02/2022] Open
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Chen J, Liu Q, He J, Li Y. Immune responses in diabetic nephropathy: Pathogenic mechanisms and therapeutic target. Front Immunol 2022; 13:958790. [PMID: 36045667 PMCID: PMC9420855 DOI: 10.3389/fimmu.2022.958790] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/28/2022] [Indexed: 11/14/2022] Open
Abstract
Diabetic nephropathy (DN) is a chronic, inflammatory disease affecting millions of diabetic patients worldwide. DN is associated with proteinuria and progressive slowing of glomerular filtration, which often leads to end-stage kidney diseases. Due to the complexity of this metabolic disorder and lack of clarity about its pathogenesis, it is often more difficult to diagnose and treat than other kidney diseases. Recent studies have highlighted that the immune system can inadvertently contribute to DN pathogenesis. Cells involved in innate and adaptive immune responses can target the kidney due to increased expression of immune-related localization factors. Immune cells then activate a pro-inflammatory response involving the release of autocrine and paracrine factors, which further amplify inflammation and damage the kidney. Consequently, strategies to treat DN by targeting the immune responses are currently under study. In light of the steady rise in DN incidence, this timely review summarizes the latest findings about the role of the immune system in the pathogenesis of DN and discusses promising preclinical and clinical therapies.
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Affiliation(s)
| | | | - Jinhan He
- *Correspondence: Jinhan He, ; Yanping Li,
| | - Yanping Li
- *Correspondence: Jinhan He, ; Yanping Li,
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Zeng L, Yang T, Yang K, Yu G, Li J, Xiang W, Chen H. Curcumin and Curcuma longa Extract in the Treatment of 10 Types of Autoimmune Diseases: A Systematic Review and Meta-Analysis of 31 Randomized Controlled Trials. Front Immunol 2022; 13:896476. [PMID: 35979355 PMCID: PMC9376628 DOI: 10.3389/fimmu.2022.896476] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/04/2022] [Indexed: 01/30/2023] Open
Abstract
Objective To evaluate the randomized controlled trials (RCTs) of Curcumin and Curcuma longa Extract in the treatment of autoimmune diseases. Methods Databases such as Embase, Web of Science, PubMed and The Cochrane Library were searched from the database establishment to February 2022 to collect RCTs of Curcumin and Curcuma longa Extract in the treatment of autoimmune diseases. Then the literature was screened and the data were extracted. Meta-analysis was performed using RevMan 5.3 software. Results A total of 34 records were included, involving 31 RCTs and 10 types of autoimmune disease. Among them, ankylosing spondylitis (AS) involves one RCT, Behcet ‘s disease (BD) involves one RCT, Crohn ‘s disease involves two RCTs, multiple sclerosis (MS) involves two RCTs, oral lichen planus involves six RCTs, psoriasis involves two RCTs, rheumatoid arthritis (RA) involves five RCTs, systemic lupus erythematosus (SLE) involves two RCTs, arteritis involves one RCT, ulcerative colitis (UC) involves nine RCTs. Among them, most of the RCTs of ulcerative colitis (UC), oral lichen planus, RA showed that curcumin and curcumin extracts improved clinical or laboratory results. Crohn ‘ s disease, MS, SLE, psoriasis included two RCTs; they all showed improvements (at least one RCT reported improvements in clinical outcomes). AS, BD and arteritis included only one RCT, and the clinical results showed improvement. However, due to the small number of RCTs and the small number of patients involved in each disease, there is still a need for more high-quality RCTs. Conclusion Curcumin and Curcuma longa Extract had good clinical efficacy in the treatment of Psoriasis, UC and RA, so Curcumin and Curcuma longa Extract could be used in the treatment of the above diseases in the future. The results of Meta-analysis showed that Curcumin and Curcuma longa Extract did not show efficacy in the treatment of oral lichen planus, while Takayasu arteritis, SLE, MS, AS, BD and CD did not report sufficient clinical data for meta-analysis. Therefore, large-sample, multi-center clinical trials are still needed for revision or validation.
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Affiliation(s)
- Liuting Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- *Correspondence: Hua Chen, ; Liuting Zeng, ; Tiejun Yang, ; Kailin Yang,
| | - Tiejun Yang
- Department of Orthopedics, People’s Hospital of Ningxiang City, Ningxiang, Hunan, China
- *Correspondence: Hua Chen, ; Liuting Zeng, ; Tiejun Yang, ; Kailin Yang,
| | - Kailin Yang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, Hunan, China
- *Correspondence: Hua Chen, ; Liuting Zeng, ; Tiejun Yang, ; Kailin Yang,
| | - Ganpeng Yu
- Department of Orthopedics, People’s Hospital of Ningxiang City, Ningxiang, Hunan, China
| | - Jun Li
- Department of Orthopedics, People’s Hospital of Ningxiang City, Ningxiang, Hunan, China
| | - Wang Xiang
- Department of Rheumatology, The First people’s Hospital Changde City, Changde, Hunan, China
| | - Hua Chen
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, National Clinical Research Center for Dermatologic and Immunologic Diseases (NCRC-DID), Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- *Correspondence: Hua Chen, ; Liuting Zeng, ; Tiejun Yang, ; Kailin Yang,
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Sivani BM, Azzeh M, Patnaik R, Pantea Stoian A, Rizzo M, Banerjee Y. Reconnoitering the Therapeutic Role of Curcumin in Disease Prevention and Treatment: Lessons Learnt and Future Directions. Metabolites 2022; 12:metabo12070639. [PMID: 35888763 PMCID: PMC9320502 DOI: 10.3390/metabo12070639] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/30/2022] [Accepted: 07/08/2022] [Indexed: 02/04/2023] Open
Abstract
Turmeric is a plant with a very long history of medicinal use across different cultures. Curcumin is the active part of turmeric, which has exhibited various beneficial physiological and pharmacological effects. This review aims to critically appraise the corpus of literature associated with the above pharmacological properties of curcumin, with a specific focus on antioxidant, anti-inflammatory, anticancer and antimicrobial properties. We have also reviewed the different extraction strategies currently in practice, highlighting the strengths and drawbacks of each technique. Further, our review also summarizes the clinical trials that have been conducted with curcumin, which will allow the reader to get a quick insight into the disease/patient population of interest with the outcome that was investigated. Lastly, we have also highlighted the research areas that need to be further scrutinized to better grasp curcumin’s beneficial physiological and medicinal properties, which can then be translated to facilitate the design of better bioactive therapeutic leads.
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Affiliation(s)
- Bala Mohan Sivani
- Banerjee Research Group, College of Medicine and Health Sciences, Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai 505055, United Arab Emirates; (B.M.S.); (M.A.); (R.P.)
| | - Mahmoud Azzeh
- Banerjee Research Group, College of Medicine and Health Sciences, Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai 505055, United Arab Emirates; (B.M.S.); (M.A.); (R.P.)
| | - Rajashree Patnaik
- Banerjee Research Group, College of Medicine and Health Sciences, Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai 505055, United Arab Emirates; (B.M.S.); (M.A.); (R.P.)
| | - Anca Pantea Stoian
- Department of Diabetes, Nutrition and Metabolic Diseases, Carol Davila University of Medicine and Pharmacy, 020022 Bucharest, Romania;
| | - Manfredi Rizzo
- Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (Promise), University of Palermo, 90128 Palermo, Italy;
| | - Yajnavalka Banerjee
- Banerjee Research Group, College of Medicine and Health Sciences, Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai 505055, United Arab Emirates; (B.M.S.); (M.A.); (R.P.)
- Centre for Medical Education, University of Dundee, Dundee DD1 4HN, UK
- Correspondence: or ; Tel.: +971-527-873-636
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22
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Role of curcumin in ameliorating hypertension and associated conditions: a mechanistic insight. Mol Cell Biochem 2022; 477:2359-2385. [DOI: 10.1007/s11010-022-04447-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 04/24/2022] [Indexed: 12/23/2022]
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23
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Feldtmann R, Kümmel A, Chamling B, Strohbach A, Lehnert K, Gross S, Loerzer L, Riad A, Lindner D, Westermann D, Fielitz J, Dörr M, Felix SB. Myeloid differentiation factor-2 activates monocytes in patients with dilated cardiomyopathy. Immunology 2022; 167:40-53. [PMID: 35502635 DOI: 10.1111/imm.13490] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 02/21/2022] [Indexed: 11/27/2022] Open
Abstract
Plasma levels of myeloid differentiation factor-2 (MD-2), a co-receptor of toll-like-receptor 4 (TLR4), independently predict mortality in patients with dilated cardiomyopathy (DCM). We tested whether monocyte-activation by MD-2 contributes to immune activation and inflammatory status in DCM patients. We found increased MD-2 plasma-levels in 25 patients with recent-onset DCM (1,250±80.7 ng/ml) compared to 25 age- and gender-matched healthy controls (793.4±52.0 ng/ml; p<0.001). Monocytes isolated from DCM-patients showed a higher expression (141.7±12.4 %; p=0.006 vs. controls) of the MD-2 encoding gene, LY96, and an increased NF-κB-activation. Further, the TLR4-activator lipopolysaccharide (LPS) caused a higher increase in interleukin (IL)-6 in monocytes from DCM-patients compared to controls (mean fluorescence intensity: 938.7±151.0 vs. 466.9±51.1; p=0.005). MD-2 increased IL-6 secretion in a TLR4/NF-κB-dependent manner in monocyte-like THP-1-cells as demonstrated by TLR4-siRNA and NF-κB-inhibition. Since endothelial cells (ECs) are responsible for recruiting monocytes to the site of inflammation, ECs were treated with MD-2 leading to an activation of Akt and increased secretion of monocyte-chemoattractant-protein-1 (MCP-1). Activation of ECs by MD-2 was accompanied by an increased expression of the adhesion-molecules CD54, CD106, and CD62E, resulting in an increased monocyte-recruitment, which was attenuated by CD54-inhibition. In addition, in murine WT but not LY96-KO bone marrow-derived macrophages LPS increased the amount of CD54 and CD49d/CD29. MD-2 facilitates a pro-inflammatory status of monocytes and EC-mediated monocyte-recruitment via TLR4/NF-κB. Elevated MD-2 plasma-levels are possibly involved in monocyte-related inflammation promoting disease-progression in DCM. Our results suggest that MD-2 contributes to increasing monocytic inflammatory activity and triggers recruitment of monocytes to ECs in DCM. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Rico Feldtmann
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Andreas Kümmel
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Bishwas Chamling
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Anne Strohbach
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Kristin Lehnert
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Stefan Gross
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Lisa Loerzer
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Alexander Riad
- DRK-Krankenhaus Teterow gGMBH, Internal Medicine, Teterow, Germany
| | - Diana Lindner
- Department of Cardiology, University Heart and Vascular Center, Hamburg, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Dirk Westermann
- Department of Cardiology, University Heart and Vascular Center, Hamburg, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Hamburg/Kiel/Lübeck, Germany
| | - Jens Fielitz
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Marcus Dörr
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
| | - Stephan B Felix
- Department of Internal Medicine B, Cardiology, University Medicine Greifswald, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Greifswald, Germany
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24
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Curcumin supplementation improves oxidative stress and inflammation biomarkers in patients undergoing hemodialysis: a secondary analysis of a randomized controlled trial. Int Urol Nephrol 2022; 54:2645-2652. [DOI: 10.1007/s11255-022-03182-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 03/15/2022] [Indexed: 10/18/2022]
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25
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Allegrini D, Raimondi R, Borgia A, Sorrentino T, Montesano G, Tsoutsanis P, Cancian G, Verma Y, De Rosa FP, Romano MR. Curcumin in Retinal Diseases: A Comprehensive Review from Bench to Bedside. Int J Mol Sci 2022; 23:ijms23073557. [PMID: 35408920 PMCID: PMC8998602 DOI: 10.3390/ijms23073557] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/20/2022] [Accepted: 03/22/2022] [Indexed: 02/04/2023] Open
Abstract
Recent evidence in basic science is leading to a growing interest in the possible role of curcumin in treating retinal diseases. Curcumin has been demonstrated to be able to modulate gene transcription and reduce ganglion cell apoptosis, downgrade VEGF, modulate glucose levels and decrease vascular dysfunction. So far, the use of curcumin has been limited by poor bioavailability; to overcome this issue, different types of carriers have been used. Multiple recent studies disclosed the efficacy of using curcumin in treating different retinal conditions. The aim of this review is to comprehensively review and discuss the role of curcumin in retinal diseases from bench to bedside.
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Affiliation(s)
- Davide Allegrini
- Eye Center, Humanitas Gavazzeni-Castelli, 24128 Bergamo, Italy; (D.A.); (P.T.); (M.R.R.)
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
| | - Raffaele Raimondi
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
- Correspondence:
| | - Alfredo Borgia
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
| | - Tania Sorrentino
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
| | - Giovanni Montesano
- Optometry and Visual Sciences Department, University of London, London WC1E 7HU, UK;
| | - Panos Tsoutsanis
- Eye Center, Humanitas Gavazzeni-Castelli, 24128 Bergamo, Italy; (D.A.); (P.T.); (M.R.R.)
| | - Giuseppe Cancian
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
| | - Yash Verma
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
| | - Francesco Paolo De Rosa
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
| | - Mario R. Romano
- Eye Center, Humanitas Gavazzeni-Castelli, 24128 Bergamo, Italy; (D.A.); (P.T.); (M.R.R.)
- Department of Biomedical Sciences, Humanitas University, 20100 Milano, Italy; (A.B.); (T.S.); (G.C.); (Y.V.); (F.P.D.R.)
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26
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Cote B, Elbarbry F, Bui F, Su JW, Seo K, Nguyen A, Lee M, Rao DA. Mechanistic Basis for the Role of Phytochemicals in Inflammation-Associated Chronic Diseases. Molecules 2022; 27:molecules27030781. [PMID: 35164043 PMCID: PMC8838908 DOI: 10.3390/molecules27030781] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/14/2022] [Accepted: 01/21/2022] [Indexed: 12/15/2022] Open
Abstract
Chronic inflammatory diseases occur in a large portion of the population and are associated with a poor diet. Key natural products found in fruits and vegetables may assist in lowering inflammation associated with chronic diseases such as obesity, diabetes, cardiovascular diseases, and cancer. This review seeks to examine the roles of several natural products, resveratrol (RES), quercetin (QUE), curcumin (CUR), piperine (PIP), epigallocatechin gallate (EGCG), and gingerol (GIN), in their ability to attenuate inflammatory markers in specific diseases states. Additionally, we will discuss findings in past and ongoing clinical trials, detail possible phytochemical–drug interactions, and provide a brief resource for researchers and healthcare professionals on natural product and supplement regulation as well as names of databases with information on efficacy, indications, and natural product–drug interactions. As diet and over-the-counter supplement use are modifiable factors and patients are interested in using complementary and alternative therapies, understanding the mechanisms by which natural products have demonstrated efficacy and the types of drugs they interact with and knowing where to find information on herbs and supplements is important for practicing healthcare providers and researchers interested in this field.
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Affiliation(s)
- Brianna Cote
- College of Pharmacy, Oregon State University, Portland, OR 97201, USA;
| | - Fawzy Elbarbry
- School of Pharmacy, Pacific University, Hillsboro, OR 97123, USA; (F.E.); (F.B.); (K.S.); (A.N.); (M.L.)
| | - Fiona Bui
- School of Pharmacy, Pacific University, Hillsboro, OR 97123, USA; (F.E.); (F.B.); (K.S.); (A.N.); (M.L.)
| | - Joe W. Su
- School of Pharmacy, West Coast University, Los Angeles, CA 90004, USA;
| | - Karen Seo
- School of Pharmacy, Pacific University, Hillsboro, OR 97123, USA; (F.E.); (F.B.); (K.S.); (A.N.); (M.L.)
| | - Arthur Nguyen
- School of Pharmacy, Pacific University, Hillsboro, OR 97123, USA; (F.E.); (F.B.); (K.S.); (A.N.); (M.L.)
| | - Max Lee
- School of Pharmacy, Pacific University, Hillsboro, OR 97123, USA; (F.E.); (F.B.); (K.S.); (A.N.); (M.L.)
| | - Deepa A. Rao
- School of Pharmacy, Pacific University, Hillsboro, OR 97123, USA; (F.E.); (F.B.); (K.S.); (A.N.); (M.L.)
- Correspondence:
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27
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Yaribeygi H, Maleki M, Majeed M, Jamialahmadi T, Sahebkar A. Renoprotective Roles of Curcumin. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1328:531-544. [PMID: 34981504 DOI: 10.1007/978-3-030-73234-9_38] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The use of herb-based therapies is increasing over the past decades. These agents have been reported to provide many beneficial effects in many experimental and clinical studies. Curcumin is one of these agents which has potent pharmacological effects enabling it for the prevent and treatment of many diseases and pathologies such as renal disorders, hyperglycemia, oxidative stress, hypertension, and dyslipidemia. However, the exact molecular mechanisms mediating these renoprotective effects of curcumin are not well established. So, in the current study, we surveyed for possible renoprotective roles of curcumin and concluded how curcumin protects against renal injuries.
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Affiliation(s)
- Habib Yaribeygi
- Research Center of Physiology, Semnan University of Medical Sciences, Semnan, Iran.
| | - Mina Maleki
- Chronic Kidney Disease Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Tannaz Jamialahmadi
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran.,Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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28
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Ghareghomi S, Rahban M, Moosavi-Movahedi Z, Habibi-Rezaei M, Saso L, Moosavi-Movahedi AA. The Potential Role of Curcumin in Modulating the Master Antioxidant Pathway in Diabetic Hypoxia-Induced Complications. Molecules 2021; 26:molecules26247658. [PMID: 34946740 PMCID: PMC8706440 DOI: 10.3390/molecules26247658] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 12/13/2022] Open
Abstract
Oxidative stress is the leading player in the onset and development of various diseases. The Keap1-Nrf2 pathway is a pivotal antioxidant system that preserves the cells' redox balance. It decreases inflammation in which the nuclear trans-localization of Nrf2 as a transcription factor promotes various antioxidant responses in cells. Through some other directions and regulatory proteins, this pathway plays a fundamental role in preventing several diseases and reducing their complications. Regulation of the Nrf2 pathway occurs on transcriptional and post-transcriptional levels, and these regulations play a significant role in its activity. There is a subtle correlation between the Nrf2 pathway and the pivotal signaling pathways, including PI3 kinase/AKT/mTOR, NF-κB and HIF-1 factors. This demonstrates its role in the development of various diseases. Curcumin is a yellow polyphenolic compound from Curcuma longa with multiple bioactivities, including antioxidant, anti-inflammatory, anti-tumor, and anti-viral activities. Since hyperglycemia and increased reactive oxygen species (ROS) are the leading causes of common diabetic complications, reducing the generation of ROS can be a fundamental approach to dealing with these complications. Curcumin can be considered a potential treatment option by creating an efficient therapeutic to counteract ROS and reduce its detrimental effects. This review discusses Nrf2 pathway regulation at different levels and its correlation with other important pathways and proteins in the cell involved in the progression of diabetic complications and targeting these pathways by curcumin.
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Affiliation(s)
- Somayyeh Ghareghomi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran; (S.G.); (M.R.)
| | - Mahdie Rahban
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran; (S.G.); (M.R.)
| | | | - Mehran Habibi-Rezaei
- School of Biology, College of Science, University of Tehran, Tehran 1417466191, Iran
- Center of Excellence in NanoBiomedicine, University of Tehran, Tehran 1417466191, Iran
- Correspondence: (M.H.-R.); (A.A.M.-M.); Tel.: +98-21-6111-3214 (M.H.-R.); +98-21-6111-3381 (A.A.M.-M.); Fax: +98-21-6697-1941 (M.H.-R.); +98-21-6640-4680 (A.A.M.-M.)
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer,” Sapienza University of Rome, 00185 Rome, Italy;
| | - Ali Akbar Moosavi-Movahedi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417466191, Iran; (S.G.); (M.R.)
- UNESCO Chair on Interdisciplinary Research in Diabetes, University of Tehran, Tehran 1417466191, Iran
- Correspondence: (M.H.-R.); (A.A.M.-M.); Tel.: +98-21-6111-3214 (M.H.-R.); +98-21-6111-3381 (A.A.M.-M.); Fax: +98-21-6697-1941 (M.H.-R.); +98-21-6640-4680 (A.A.M.-M.)
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29
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Chen F, Xie Y, Lv Q, Zou W, Xiong L. Curcumin mediates repulsive guidance molecule B (RGMb) in the treatment mechanism of renal fibrosis induced by unilateral ureteral obstruction. Ren Fail 2021; 43:1496-1505. [PMID: 34751624 PMCID: PMC8583759 DOI: 10.1080/0886022x.2021.1997764] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
In this study, we explored the role and mechanism of repulsive guidance molecule B (RGMb, also known as Dragon) in the protective effects of curcumin against renal fibrosis and verified Dragon's effect on renal tubular epithelial cell apoptosis and cell programmability. Unilateral ureteral obstruction (UUO) was surgically induced in rats to establish a model of renal interstitial fibrosis (RIF). The rats were then treated with curcumin. Curcumin prominently decreased the serum creatinine (SCr) and blood urea nitrogen (BUN) levels, and also improved the tubular injury in the UUO-induced rats. Curcumin significantly downregulated the TGF-β1, P-Smad2/3, cleaved caspase-3, cleaved caspase-8 and Dragon levels. Dragon knockdown also markedly reduced the TGF-β1, P-Smad2/3, Smad2/3, cleaved caspase-3, cleaved caspase-8, fibronectin, collagen I, collagen IV, vimentin, and α-SMA expression levels. Conversely, Dragon overexpression caused higher expression levels of these proteins, and curcumin reversed this effect. Furthermore, Dragon knockdown increased the E-cadherin levels, whereas Dragon overexpression decreased these levels. Overexpressing Dragon significantly decreased the cell viability, and curcumin reversed this effect. In conclusion, curcumin acted on Dragon and attenuated RIF in UUO rat models. Curcumin downregulated the TGF-β1/Smad signaling pathway and inhibited Dragon and fibrogenic molecules in both rats and HK-2 cells.
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Affiliation(s)
- Fei Chen
- Department of Nephrology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Yu Xie
- Department of Nephrology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Qin Lv
- Department of Nephrology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Wei Zou
- Nanchang University, Nanchang, China
| | - Liyan Xiong
- Department of Nephrology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
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Altındağ F, Özdek U. Synergistic effects of sinapic acid and ellagic acid ameliorate streptozotocin-induced diabetic nephropathy by inhibiting apoptosis, DNA damage, and structural deterioration in rats. Hum Exp Toxicol 2021; 40:S290-S299. [PMID: 34661493 DOI: 10.1177/09603271211040825] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Diabetic nephropathy (DN), a global problem that threatens human health, is an important reason for chronic kidney disease and kidney failure. In our study, it was aimed to investigate the individual and combined effects of SA and EA in streptozotocin (STZ)-induced rats. METHODS The groups are as follows: Control, untreated diabetic, diabetic treated with Sinapic acid (SA), diabetic treated with Ellagic acid (EA), diabetic treated with SA and EA, treated with SA, treated with EA, and treated with SA and EA. Total kidney volume, total glomerulus volume, total filtration space volume, caspase-3, and 8-OHdG immunoreactivity, Malondialdehyde (MDA), Glutathione (GSH), Catalase (CAT), serum urea, and creatinine levels were evaluated by stereological, immunohistochemical, and biochemical methods. RESULTS The findings of the study showed that total kidney volume, total glomerulus volume, total filtration gap volume, caspase-3, and 8-OHdG immunoreactivity, MDA, serum urea, and creatinine levels significantly increased in the untreated diabetic group compared to the control group. Also, severe mesangial and glomerular enlargement, extracellular matrix accumulation, and glomerular and tubular basal membrane thickness were observed in the tubulointerstitial and glomerular of the diabetic rats. However, individual and combined treatments of SA and EA ameliorated these histological changes. Additionally, decreased GSH and CAT in the untreated diabetic group increased by SA and EA treatment. CONCLUSIONS The findings suggest that treatment of SA and EA prevent apoptosis and DNA damage and structural changes in STZ-induced DN. However, the combined treatment of SA and EA were more effective than their individual treatments in all parameters except serum urea and creatinine.
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Affiliation(s)
- F Altındağ
- Department of Histology and Embryology, Faculty of Medicine, 53000Van Yüzüncü Yıl University, Van, Turkey
| | - U Özdek
- Van Vocational Higher School of Health Services, 53000Van Yüzüncü Yıl University, Van, Turkey
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31
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Diet-Derived Advanced Glycation End Products (dAGEs) Induce Proinflammatory Cytokine Expression in Cardiac and Renal Tissues of Experimental Mice: Protective Effect of Curcumin. Cardiovasc Toxicol 2021; 22:35-51. [PMID: 34655413 DOI: 10.1007/s12012-021-09697-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 09/17/2021] [Indexed: 10/20/2022]
Abstract
The beneficial effect of curcumin (CU) on dietary AGEs (dAGEs) involves blocking the overexpression of proinflammatory cytokine genes in the heart and kidney tissues of experimental mice. The animals were divided into six groups (n = 6/group) and were fed a heat-exposed diet (dAGEs) with or without CU for 6 months. Their blood pressure (BP) was monitored by a computerized tail-cuff BP-monitoring system. The mRNA and protein expression levels of proinflammatory genes were analyzed by RT-PCR and western blot, respectively. A marked increase in BP (108 ± 12 mmHg vs 149 ± 15 mmHg) accompanied by a marked increase in the heart and kidney weight ratio was noted in the dAGE-fed mice. Furthermore, the plasma levels of proinflammatory molecules (C5a, ICAM-1, IL-6, MCP-1, IL-1β and TNF-α) were found to be elevated (3-fold) in dAGE-fed mice. mRNA expression analysis revealed a significant increase in the expression levels of inflammatory markers (Cox-2, iNOS, and NF-κB) (3-fold) in cardiac and renal tissues of dAGE-fed mice. Moreover, increased expression of RAGE and downregulation of AGER-1 (p < 0.001) were noticed in the heart and kidney tissues of dAGE-fed mice. Interestingly, the dAGE-induced proinflammatory genes and inflammatory responses were neutralized upon cotreatment with CU. The present study demonstrates that dietary supplementation with CU has the ability to neutralize dAGE-induced adverse effects and alleviate proinflammatory gene expression in the heart and kidney tissues of experimental mice.
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32
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Lin S, Jin S, Zhou F, Hu Y, Zhang M. Effects of endurance exercise on serum inflammatory cytokine level and kidney structure in a rat diabetes model. Exp Ther Med 2021; 22:1125. [PMID: 34466141 PMCID: PMC8383327 DOI: 10.3892/etm.2021.10559] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 12/08/2020] [Indexed: 12/15/2022] Open
Abstract
Diabete mellitus (DM) is becoming a global health problem. Whilst many studies have previously focused on the therapeutic effects of exercise on diabetes, insufficient data exist on its effectiveness on disease prevention. The present study was designed to evaluate the effects of endurance exercises on kidney injury and on the expression of metalloproteinases (MMPs), tissue inhibitors of metalloproteinases (TIMPs) and transforming growth factor (TGF)-β1. Type 2 diabetic rat model was created followng 8 weeks of feeding on high fat diet, followed by injection with streptozotocin (STZ; 30 mg/kg). A total of three different intensity endurance exercises, including low-intensity exercise (8 m/min and 0˚ slope), moderate-intensity exercise (15 m/min and 5˚ slope) and high-intensity exercise (20 m/min and 10˚ slope), were arranged during this process. Oral glucose tolerance (OGTT) and oral sucrose tolerance tests (OSTT) were performed in all rats 1 week after STZ injection. Serum interleukin-6 and tumor necrosis factor-α levels were measured using ELISA. After OGTT, all rats were sacrificed and kidney samples were removed for hematoxylin and eosin staining and western blot analyzes. Urea and ureatinine levels, representative of renal function, were estimated by using automatic biochemical analyzer. Rats in the DM group showed severe impaired glucose tolerance, which was alleviated in the moderate-intensity exercise (ME) and the high-intensity exercise (HE) groups. Inflammatory cytokines were also significantly reduced rats in the ME group compared with those in the DM group. No difference in renal function, MMP-9/TIMP-1 and TGF-β1 expression was observed. In addition, rats in the DM group exhibited glomerular enlargement with structural renal abnormalities, whilst those in the ME and HE groups showed improved symptoms. To conclude, no increased expression of inflammatory cytokines and renal fibrotic proteins could be observed in the present rat model of type-2 DM, but evident structural abnormalities can be observed in the kidneys. Medium-intensity endurance exercise can reduce serum inflammatory cytokine levels and prevent aberrant changes in renal structures.
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Affiliation(s)
- Sen Lin
- Department of Sport Science, School of Physical Education, Central China Normal University, Wuhan, Hubei 430070, P.R. China
| | - Shanhu Jin
- Department of Sport Science, School of Physical Education, Central China Normal University, Wuhan, Hubei 430070, P.R. China
| | - Fenglin Zhou
- Department of Sport Science, School of Physical Education, Central China Normal University, Wuhan, Hubei 430070, P.R. China
| | - Yazhe Hu
- Department of Sport Science, School of Physical Education, Central China Normal University, Wuhan, Hubei 430070, P.R. China
| | - Ming Zhang
- Department of Sport Science, School of Physical Education, Central China Normal University, Wuhan, Hubei 430070, P.R. China
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33
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Li Q, Ge C, Tan J, Sun Y, Kuang Q, Dai X, Zhong S, Yi C, Hu LF, Lou DS, Xu M. Juglanin protects against high fat diet-induced renal injury by suppressing inflammation and dyslipidemia via regulating NF-κB/HDAC3 signaling. Int Immunopharmacol 2021; 95:107340. [PMID: 33667999 DOI: 10.1016/j.intimp.2020.107340] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/10/2020] [Accepted: 12/23/2020] [Indexed: 12/12/2022]
Abstract
Obesity is an important factor implicated in chronic kidney disease (CKD). Juglanin (Jug) is a natural compound extracted from the crude Polygonumaviculare, showing anti-inflammatory and anti-diabetic effects. However, whether Jug has protective effects against obesity-induced renal injury, little has been investigated. Herein, we attempted to explore the potential of Jug in mediating obesity-induced kidney disease in high fat diet (HFD)-challenged mice. Our results suggested that chronic HFD feeding markedly increased the body weights of mice compared to the ones fed with normal chow diet (NCD), along with significant glucose intolerance and insulin resistance. However, these metabolic disorders induced by HFD were effectively alleviated by Jug treatments in a dose-dependent manner. Moreover, HFD-challenged mice showed apparent histopathological changes in renal tissues with significant collagen accumulation, which were attenuated by Jug supplementation. In addition, Jug treatment decreased the expression levels of kidney injury molecule-1 (KIM-1), while increased nephrin and podocin expression levels in kidney of HFD-challenged mice, improving the renal dysfunction. Furthermore, HFD led to lipid deposition in kidney samples of mice by enhancing abnormal lipid metabolism. In addition, HFD promoted the releases of circulating pro-inflammatory cytokines, and enhanced the renal inflammation by activating nuclear factor-kappa B/histone deacetylase 3 (NF-κB/HDAC3) signaling. HFD-induced dyslipidemia and inflammation were considerably abrogated by Jug administration in mice. The protective effects of Jug against renal injury were confirmed in palmitate (PA)-stimulated HK2 cells in vitro mainly through suppressing the nuclear translocation of NF-κB and HDAC3, repressing inflammation and lipid accumulation eventually. Hence, Jug could ameliorate HFD-induced kidney injury mainly through blocking the NF-κB/HDAC3 nuclear translocation.
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Affiliation(s)
- Qiang Li
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China
| | - Chenxu Ge
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China; Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
| | - Jun Tan
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China.
| | - Yan Sun
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China
| | - Qin Kuang
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China
| | - Xianling Dai
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China
| | - Shaoyu Zhong
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China
| | - Chao Yi
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China
| | - Lin-Feng Hu
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China; Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China
| | - De-Shuai Lou
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China
| | - Minxuan Xu
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing 400067, PR China; Research Center of Brain Intellectual Promotion and Development for Children Aged 0-6 Years, Chongqing University of Education, Chongqing 400067, PR China; Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400030, China.
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Cao Y, Yang Z, Chen Y, Jiang S, Wu Z, Ding B, Yang Y, Jin Z, Tang H. An Overview of the Posttranslational Modifications and Related Molecular Mechanisms in Diabetic Nephropathy. Front Cell Dev Biol 2021; 9:630401. [PMID: 34124032 PMCID: PMC8193943 DOI: 10.3389/fcell.2021.630401] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 04/12/2021] [Indexed: 01/14/2023] Open
Abstract
Diabetic nephropathy (DN), a common diabetic microvascular complication, is characterized by its complex pathogenesis, higher risk of mortality, and the lack of effective diagnosis and treatment methods. Many studies focus on the diagnosis and treatment of diabetes mellitus (DM) and have reported that the pathophysiology of DN is very complex, involving many molecules and abnormal cellular activities. Given the respective pivotal roles of NF-κB, Nrf2, and TGF-β in inflammation, oxidative stress, and fibrosis during DN, we first review the effect of posttranslational modifications on these vital molecules in DN. Then, we describe the relationship between these molecules and related abnormal cellular activities in DN. Finally, we discuss some potential directions for DN treatment and diagnosis. The information reviewed here may be significant in the design of further studies to identify valuable therapeutic targets for DN.
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Affiliation(s)
- Yu Cao
- Department of Chinese Materia Medica and Natural Medicines, School of Pharmacy, The Air Force Medical University, Xi'an, China
| | - Zhao Yang
- Department of Gynaecology and Obstetrics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ying Chen
- Department of Hematology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Shuai Jiang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Zhen Wu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Baoping Ding
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Yang Yang
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Sciences, Northwest University, Xi'an, China
| | - Zhenxiao Jin
- Department of Cardiovascular Surgery, Xijing Hospital, The Air Force Medical University, Xi'an, China
| | - Haifeng Tang
- Department of Chinese Materia Medica and Natural Medicines, School of Pharmacy, The Air Force Medical University, Xi'an, China
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Curcumin Reinforces MiR-29a Expression, Reducing Mesangial Fibrosis in a Model of Diabetic Fibrotic Kidney via Modulation of CB1R Signaling. Processes (Basel) 2021. [DOI: 10.3390/pr9040694] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Renal fibrosis is a hallmark event in the pathogenesis of diabetic nephropathy. Considerable evidence now supports that multiple intracellular signaling pathways are critically involved in renal fibrosis. Previously, our studies have shown that dysregulation of the MicroRNA 29a (miR-29a)- or cannabinoid type 1 receptor (CB1R)-mediated signaling cascade in renal glomeruli substantially contributes to diabetic renal fibrosis. The purpose of the current study was to explore whether curcumin, a natural polyphenolic compound with potential renoprotective activity, could modulate the miR-29a/CB1R signaling axis to attenuate renal fibrosis. In this study, rat renal mesangial cells cultured in high glucose (HG) and the diabetic db/db mice were used as an in vitro and in vivo model of diabetes, respectively. Our results showed that in rat renal mesangial cells, curcumin treatment substantially counteracted HG-induced changes in the expressions of miR-29a, CB1R, peroxisome proliferator-activated receptor gamma (PPAR-γ), and a profibrotic marker type IV collagen (collagen IV), as assessed by quantitative Real-Time Polymerase chain reaction (RT-PCR). Furthermore, in the db/db mouse model, administration of curcumin markedly lowered urinary albumin excretion, and reduced deposition of extracellular matrices including collagen IV in renal tissues. Importantly, quantitative RT-PCR, in situ hybridization, and immunohistochemical analysis revealed that curcumin treatment consistently blocked diabetes-induced downregulation of miR-29a and upregulation of CB1R in renal glomeruli. Collectively, our study provides novel evidence showing that curcumin can rescue the dysregulated miR-29a/CB1R signaling pathway in glomerular mesangium to ameliorate diabetic renal fibrosis.
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Cao W, Chen X, Chin Y, Zheng J, Lim PE, Xue C, Tang Q. Identification of curcumin as a potential α-glucosidase and dipeptidyl-peptidase 4 inhibitor: Molecular docking study, in vitro and in vivo biological evaluation. J Food Biochem 2021; 46:e13686. [PMID: 33817806 DOI: 10.1111/jfbc.13686] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/09/2021] [Accepted: 02/15/2021] [Indexed: 12/13/2022]
Abstract
Natural compounds have tremendous potential to regulate glucose metabolism, but conventional methods for studying their bioactivities are usually labor intensive. Here, hypoglycemic properties in 22 selected food-derived compounds were examined using molecular docking. The results indicated that curcumin is an inhibitor of both α-glucosidase and dipeptidyl-peptidase 4 (DPP-4), which are important for glycemic control. These effects of curcumin were also confirmed by enzymatic determination in vitro. Furthermore, curcumin significantly improved diet-induced hyperglycemia (e.g., fasting plasma glucose levels and glycogen storage in muscle or liver) in mice. This might be attributed to its inhibitory effects on the activities of α-glucosidase and DPP-4 in vivo. Curcumin also upregulated the expression of genes (e.g., glucagon-like peptide 1) related to DPP-4 activity in the small intestine. In conclusion, curcumin is a potential ingredient of functional foods used for diet-induced hyperglycemia management. PRACTICAL APPLICATIONS: Curcumin has been widely used as a colorant in the food industry. Moreover, a growing number of studies have described its diverse biological functions, such as anti-inflammatory, anti-oxidant, and anti-angiogenic activities. Thus, curcumin is regarded as a potential ingredient in functional foods. Our results highlighted the hyperglycemic effect of curcumin, suggesting that curcumin may be included in food products for hyperglycemic patients.
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Affiliation(s)
- Wanxiu Cao
- Human Health Research Laboratory, College of Food Science and Engineering, Ocean University of China, Qingdao, China.,Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China
| | - Xin Chen
- Human Health Research Laboratory, College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | | | - Jinkai Zheng
- Institute of Agro-Products Processing Science and Technology, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Phaik Eem Lim
- Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia.,Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Changhu Xue
- Human Health Research Laboratory, College of Food Science and Engineering, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Qingjuan Tang
- Human Health Research Laboratory, College of Food Science and Engineering, Ocean University of China, Qingdao, China
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Karthikeyan A, Young KN, Moniruzzaman M, Beyene AM, Do K, Kalaiselvi S, Min T. Curcumin and Its Modified Formulations on Inflammatory Bowel Disease (IBD): The Story So Far and Future Outlook. Pharmaceutics 2021; 13:484. [PMID: 33918207 PMCID: PMC8065662 DOI: 10.3390/pharmaceutics13040484] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/30/2021] [Accepted: 03/30/2021] [Indexed: 12/19/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic relapsing and remitting inflammatory disorder of the small intestine and colon. IBD includes ulcerative colitis (UC) and Crohn's disease (CD), and it is a major factor for the development of colon cancer, referred to as colitis-associated cancer (CAC). The current treatment of IBD mainly includes the use of synthetic drugs and monoclonal antibodies. However, these drugs have side effects over long-term use, and the high relapse rate restricts their application. In the recent past, many studies had witnessed a surge in applying plant-derived products to manage various diseases, including IBD. Curcumin is a bioactive component derived from a rhizome of turmeric (Curcuma longa). Numerous in vitro and in vivo studies show that curcumin may interact with many cellular targets (NF-κB, JAKs/STATs, MAPKs, TNF-γ, IL-6, PPARγ, and TRPV1) and effectively reduce the progression of IBD with promising results. Thus, curcumin is a potential therapeutic agent for patients with IBD once it significantly decreases clinical relapse in patients with quiescent IBD. This review aims to summarize recent advances and provide a comprehensive picture of curcumin's effectiveness in IBD and offer our view on future research on curcumin in IBD treatment.
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Affiliation(s)
- Adhimoolam Karthikeyan
- Subtropical Horticulture Research Institute, Jeju National University, Jeju 63243, Korea;
| | - Kim Na Young
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) and Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Korea; (K.N.Y.); (M.M.); (A.M.B.); (K.D.)
| | - Mohammad Moniruzzaman
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) and Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Korea; (K.N.Y.); (M.M.); (A.M.B.); (K.D.)
| | - Anteneh Marelign Beyene
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) and Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Korea; (K.N.Y.); (M.M.); (A.M.B.); (K.D.)
| | - Kyoungtag Do
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) and Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Korea; (K.N.Y.); (M.M.); (A.M.B.); (K.D.)
| | - Senthil Kalaiselvi
- Department of Biochemistry, Biotechnology and Bioinformatics, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore 641043, Tamil Nadu, India;
| | - Taesun Min
- Department of Animal Biotechnology, Jeju International Animal Research Center (JIA) and Sustainable Agriculture Research Institute (SARI), Jeju National University, Jeju 63243, Korea; (K.N.Y.); (M.M.); (A.M.B.); (K.D.)
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Wang X, Li C, Huan Y, Cao H, Sun S, Lei L, Liu Q, Liu S, Ji W, Huang K, Shen Z, Zhou J. Diphenyl diselenide ameliorates diabetic nephropathy in streptozotocin-induced diabetic rats via suppressing oxidative stress and inflammation. Chem Biol Interact 2021; 338:109427. [PMID: 33639173 DOI: 10.1016/j.cbi.2021.109427] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 02/14/2021] [Accepted: 02/19/2021] [Indexed: 12/31/2022]
Abstract
Oxidative stress and inflammation are implicated in the occurrence and progression of diabetic nephropathy (DN). Diphenyl diselenide (DPDS) is a stable and simple diaryl diselenide with anti-hyperglycemic, anti-inflammatory, and antioxidant activities. However, the effects of DPDS on DN are still unclear to date. Herein, we aimed to explore whether DPDS could improve renal dysfunction in streptozotocin (STZ)-induced diabetic rats and its underlying mechanisms. STZ-induced DN rats were administered with DPDS (5 or 15 mg/kg) or metformin (200 mg/kg) once daily by intragastric gavage for 12 weeks. DPDS supplementation significantly improved hyperglycemia, glucose intolerance, dyslipidemia, and the renal pathological abnormalities, concurrent with significantly reduced serum levels of creatinine, urea nitrogen, urine volume, and urinary levels of micro-albumin, β2-microglobulin and N-acetyl-glucosaminidase activities. Moreover, DPDS effectively promoted the activities of antioxidant enzymes, and reduced the levels of MDA and pro-inflammatory factors in serum and the kidney. Furthermore, DPDS supplementation activated the renal Nrf2/Keap1 signaling pathway, but attenuated the high phosphorylation levels of NFκB, JNK, p38 and ERK1/2. Altogether, the current study indicated for the first time that DPDS ameliorated STZ-induced renal dysfunction in rats, and its mechanism of action may be attributable to suppressing oxidative stress via activating the renal Nrf2/Keap1 signaling pathway and mitigating inflammation by suppressing the renal NFκB/MAPK signaling pathways, suggesting a potential therapeutic approach for DN.
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MESH Headings
- Animals
- Antioxidants/metabolism
- Benzene Derivatives/pharmacology
- Benzene Derivatives/therapeutic use
- Cytokines/metabolism
- Diabetes Mellitus, Experimental/complications
- Diabetes Mellitus, Experimental/drug therapy
- Diabetes Mellitus, Experimental/pathology
- Diabetes Mellitus, Experimental/physiopathology
- Diabetes Mellitus, Type 1/complications
- Diabetes Mellitus, Type 1/drug therapy
- Diabetes Mellitus, Type 1/genetics
- Diabetes Mellitus, Type 1/physiopathology
- Diabetic Nephropathies/complications
- Diabetic Nephropathies/drug therapy
- Diabetic Nephropathies/pathology
- Diabetic Nephropathies/physiopathology
- Dyslipidemias/complications
- Dyslipidemias/drug therapy
- Dyslipidemias/genetics
- Gene Expression Regulation/drug effects
- Glucose/metabolism
- Inflammation/complications
- Inflammation/drug therapy
- Inflammation/genetics
- Kelch-Like ECH-Associated Protein 1/metabolism
- Kidney/pathology
- Kidney/physiopathology
- Lipid Metabolism/drug effects
- MAP Kinase Signaling System/drug effects
- Male
- Models, Biological
- NF-E2-Related Factor 2/metabolism
- NF-kappa B/metabolism
- Organoselenium Compounds/pharmacology
- Organoselenium Compounds/therapeutic use
- Oxidative Stress/drug effects
- Rats, Sprague-Dawley
- Streptozocin
- Rats
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Affiliation(s)
- Xing Wang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Caina Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yi Huan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Cao
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Sujuan Sun
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lei Lei
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Quan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shuainan Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wenming Ji
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Kaixun Huang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Zhufang Shen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Key Laboratory of Polymorphic Drugs of Beijing, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Jun Zhou
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518057, China.
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Mavaddatiyan L, Khezri S, Abtahi Froushani SM. Molecular effects of curcumin on the experimental autoimmune encephalomyelitis. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2021; 12:47-52. [PMID: 33953873 PMCID: PMC8094149 DOI: 10.30466/vrf.2019.98789.2356] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 02/02/2019] [Indexed: 11/01/2022]
Abstract
Experimental autoimmune encephalomyelitis (EAE) is an animal model of multiple sclerosis (MS). Previous studies have shown that myelin degradation during MS and EAE resulted in reduced expression of some of the proteins, e.g., the MBP (myelin basic protein), and increased expression of genes such as iNOS (Inducible nitric oxide synthase) and NOGO-A in the affected patients. In the present study, EAE was induced by immunizing Wistar rats (n=12) with homogenized spinal cord of guinea pig and Freund's complete adjuvant. Curcumin is an active ingredient in turmeric with anti-inflammatory properties, which has been studied in this article. In this study, the effect of curcumin administration on the change of the expression of MBP, NOGO-A, and iNOS genes was evaluated using the RT-PCR (Reverse transcription-polymerase chain reaction) technique. The obtained results indicated it could be concluded that curcumin was able to improve EAE by increasing the amount of MBP gene expression and reducing the intensity of NOGO-A expression.
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Affiliation(s)
- Laleh Mavaddatiyan
- Department of Biology, Faculty of Sciences, Urmia University, Urmia, Iran
| | - Shiva Khezri
- Department of Biology, Faculty of Sciences, Urmia University, Urmia, Iran
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Li Y, Ji W, Peng H, Zhao R, Zhang T, Lu Z, Yang J, Liu R, Zhang X. Charge-switchable zwitterionic polycarboxybetaine particle as an intestinal permeation enhancer for efficient oral insulin delivery. Am J Cancer Res 2021; 11:4452-4466. [PMID: 33754071 PMCID: PMC7977443 DOI: 10.7150/thno.54176] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 02/03/2021] [Indexed: 12/24/2022] Open
Abstract
Insulin, a peptide hormone, is one of the most common and effective antidiabetic drugs. Although oral administration is considered to be the most convenient and safe choice for patients, the oral bioavailability of insulin is very low due to the poor oral absorption into blood circulation. Intestinal epithelium is a major barrier for the oral absorption of insulin. Therefore, it is vital to develop intestinal permeation enhancer to increase the antidiabetic efficacy of insulin after oral administration. Methods: Charge-switchable zwitterionic polycarboxybetaine (PCB) was used to load insulin to form PCB/insulin (PCB/INS) particles through the electrostatic interaction between positively charged PCB in pH 5.0 and negatively charged insulin in 0.01 M NaOH. The opening effect of PCB/INS particles on intestinal epithelium was evaluated by detecting the changes of claudin-4 (CLDN4) protein and transepithelial electrical resistance (TEER) after incubation or removal. The mechanism was further elucidated based on the results of Western blot and fluorescence images. The PCB/INS particles were then used for type 1 diabetes mellitus therapy after oral administration. Results: PCB could load insulin with the loading efficiency above 86% at weight ratio of 8:1. PCB/INS particles achieved sustained release of insulin at pH 7.4 due to their charge-switchable ability. Surprisingly, PCB/INS particles induced the open of the tight junctions of intestinal epithelium in endocytosis-mediated lysosomal degradation pathway, which resulted in increased intestinal permeability of insulin. Additionally, the opening effect of PCB/INS particles was reversible, and the decreased expression of CLDN4 protein and TEER values were gradually recovered after particles removal. In streptozotocin-induced type 1 diabetic rats, oral administration of PCB/INS particles with diameter sub-200 nm, especially in capsules, significantly enhanced the bioavailability of insulin and achieved longer duration of hypoglycemic effect than the subcutaneously injected insulin. Importantly, there was no endotoxin and pathological change during treatment, indicating that PCB/INS particles were safe enough for in vivo application. Conclusion: These findings indicate that this system can provide a platform for oral insulin and other protein drugs delivery.
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Kepchia D, Currais A, Dargusch R, Finley K, Schubert D, Maher P. Geroprotective effects of Alzheimer's disease drug candidates. Aging (Albany NY) 2021; 13:3269-3289. [PMID: 33550278 PMCID: PMC7906177 DOI: 10.18632/aging.202631] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 01/14/2021] [Indexed: 04/18/2023]
Abstract
Geroprotectors are compounds that slow the biological aging process in model organisms and may therefore extend healthy lifespan in humans. It is hypothesized that they do so by preserving the more youthful function of multiple organ systems. However, this hypothesis has rarely been tested in any organisms besides C. elegans and D. melanogaster. To determine if two life-extending compounds for Drosophila maintain a more youthful phenotype in old mice, we asked if they had anti-aging effects in both the brain and kidney. We utilized rapidly aging senescence-accelerated SAMP8 mice to investigate age-associated protein level alterations in these organs. The test compounds were two cognition-enhancing Alzheimer's disease drug candidates, J147 and CMS121. Mice were fed the compounds in the last quadrant of their lifespan, when they have cognitive deficits and are beginning to develop CKD. Both compounds improved physiological markers for brain and kidney function. However, these two organs had distinct, tissue-specific protein level alterations that occurred with age, but in both cases, drug treatments restored a more youthful level. These data show that geroprotective AD drug candidates J147 and CMS121 prevent age-associated disease in both brain and kidney, and that their apparent mode of action in each tissue is distinct.
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Affiliation(s)
- Devin Kepchia
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Antonio Currais
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Richard Dargusch
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Kim Finley
- Donald P. Shiley BioScience Center, San Diego State University, San Diego, CA 92115, USA
| | - David Schubert
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Pamela Maher
- Cellular Neurobiology Laboratory, The Salk Institute for Biological Studies, La Jolla, CA 92037, USA
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Geniposide Improves Diabetic Nephropathy by Enhancing ULK1-Mediated Autophagy and Reducing Oxidative Stress through AMPK Activation. Int J Mol Sci 2021; 22:ijms22041651. [PMID: 33562139 PMCID: PMC7915505 DOI: 10.3390/ijms22041651] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 12/03/2022] Open
Abstract
Diabetic nephropathy (DN) is a common pathological feature in patients with diabetes and the leading cause of end-stage renal disease. Although several pharmacological agents have been developed, the management of DN remains challenging. Geniposide, a natural compound has been reported for anti-inflammatory and anti-diabetic effects; however, its role in DN remains poorly understood. This study investigated the protective effects of geniposide on DN and its underlying mechanisms. We used a C57BL/6 mouse model of DN in combination with a high-fat diet and streptozotocin after unilateral nephrectomy and treated with geniposide by oral gavage for 5 weeks. Geniposide effectively improves DN-induced renal structural and functional abnormalities by reducing albuminuria, podocyte loss, glomerular and tubular injury, renal inflammation and interstitial fibrosis. These changes induced by geniposide were associated with an increase of AMPK activity to enhance ULK1-mediated autophagy response and a decrease of AKT activity to block oxidative stress, inflammation and fibrosis in diabetic kidney. In addition, geniposide increased the activities of PKA and GSK3β, possibly modulating AMPK and AKT pathways, efficiently improving renal dysfunction and ameliorating the progression of DN. Conclusively, geniposide enhances ULK1-mediated autophagy and reduces oxidative stress, inflammation and fibrosis, suggesting geniposide as a promising treatment for DN.
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Oliveira JR, Ribeiro GHM, Rezende LF, Fraga-Silva RA. Plant terpenes on treating cardiovascular and metabolic disease: a review. Protein Pept Lett 2021; 28:750-760. [PMID: 33511924 DOI: 10.2174/0929866528999210128210145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/03/2020] [Accepted: 12/09/2020] [Indexed: 11/22/2022]
Abstract
The use of medicinal plants as a therapy alternative is old as human existence itself. Nowadays, the search for effective molecules for chronic diseases treatments has increased. The cardiometabolic disorders still the main cause of death worldwide and plants may offer potential pharmacological innovative approaches to treat and prevent diseases. In the range of plant molecules are inserted the terpenes, which constituent essential elements with several pharmacological characteristics and applications, including cardiovascular and metabolic properties. Thus, the aim of the present review is to update the terpenes use on chronic disorders such as obesity, diabetes, hypertension and vascular conditions. The review includes a brief terpenes description based on the scientific literature in addition to data collected from secondary sources such as books and conference proceedings. We concluded that terpenes could act as adjuvant or main alternative treatment (when started earlier) to improve cardiometabolic diseases, contributing to reduce side effects of conventional drugs, in addition to preserving ethnopharmacological knowledge.
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Affiliation(s)
- Janaína Ribeiro Oliveira
- Laboratory of Health Science, Postgraduate Program in Health Science, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais,. Brazil
| | - Guilherme Henrique Mendes Ribeiro
- Instituto de Ciências Agrárias (ICA), Food Engineering Department, Universidade Federal de Minas Gerais (UFMG), Montes Claros, Minas Gerais,. Brazil
| | - Luiz Fernando Rezende
- Laboratory of Health Science, Postgraduate Program in Health Science, Universidade Estadual de Montes Claros (Unimontes), Montes Claros, Minas Gerais,. Brazil
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Huang SJ, Huang J, Yan YB, Qiu J, Tan RQ, Liu Y, Tian Q, Guan L, Niu SS, Zhang Y, Xi Z, Xiang Y, Gong Q. The renoprotective effect of curcumin against cisplatin-induced acute kidney injury in mice: involvement of miR-181a/PTEN axis. Ren Fail 2021; 42:350-357. [PMID: 32338107 PMCID: PMC7241563 DOI: 10.1080/0886022x.2020.1751658] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background: Nephrotoxicity, especially acute kidney injury (AKI), is the main dose-limiting toxicity of cisplatin. Although recent studies showed that curcumin prevented cisplatin-induced AKI effectively, further studies to understand the mechanism are required.Methods: We established an AKI mouse model. Male C57BL/6 mice were assigned to three groups: saline group (control), cisplatin group (CP), and curcumin + cisplatin group (CP + Cur). The CP group received a single intraperitoneal (i.p.) injection of cisplatin, while the control group received saline. The CP + Cur group received i.p. curcumin three days before cisplatin injection and curcumin administered for another three days until the day before euthanization. Renal injury was assessed by serological and histological analysis. Western blotting and quantitative real-time polymerase chain reaction (qRT-PCR) were used to detect the phosphatase and tensin homolog (PTEN), and microRNA (miR)-181a expression in the renal tissues. Bioinformatics prediction and western blotting methods validated the targets of miR-181a in vitro.Results: Curcumin treatment alleviated cisplatin-induced nephrotoxicity as validated by the blood urea nitrogen (BUN) values, and histological analysis of kidneys. At the molecular level, curcumin treatment decreased miR-181a expression level, which was induced by cisplatin and restored the in vivo expression of PTEN, which was suppressed by cisplatin. We verified the direct regulation of PTEN by miR-181a in cultured human embryonic kidney 293T cells.Conclusions: We showed the involvement of miR-181a/PTEN axis in the renoprotective effect of curcumin against cisplatin-induced AKI, and provide new evidence on the ability of curcumin to alleviate cisplatin-induced nephrotoxicity.
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Affiliation(s)
- Si-Jia Huang
- Department of Cell Biology and Genetics, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Jing Huang
- Department of Cell Biology and Genetics, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Yun-Bo Yan
- Laboratory of Oncology, Center for Molecular Medicine, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Jiao Qiu
- Laboratory of Oncology, Center for Molecular Medicine, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Rui-Qiao Tan
- Laboratory of Oncology, Center for Molecular Medicine, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Yu Liu
- Laboratory of Oncology, Center for Molecular Medicine, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Qing Tian
- Department of Cell Biology and Genetics, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Li Guan
- Department of Cell Biology and Genetics, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Shuai-Shuai Niu
- Department of Cell Biology and Genetics, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Yanxiang Zhang
- Laboratory of Oncology, Center for Molecular Medicine, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Zhijiang Xi
- Department of Immunology, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Ying Xiang
- Department of Cell Biology and Genetics, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China.,Laboratory of Oncology, Center for Molecular Medicine, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China
| | - Quan Gong
- Department of Immunology, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, China.,Clinical Molecular Immunology Center, Health Science Center, Yangtze University, Jingzhou, China
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Stamenkovska M, Hadzi-Petrushev N, Nikodinovski A, Gagov H, Atanasova-Panchevska N, Mitrokhin V, Kamkin A, Mladenov M. Application of curcumine and its derivatives in the treatment of cardiovascular diseases: a review. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2021. [DOI: 10.1080/10942912.2021.1977655] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Mimoza Stamenkovska
- Institute of Biology, Faculty of Natural Science and Mathematics, Ss Cyril and Methodius University, Skopje, North Macedonia
- Faculty of Dental Medicine, European University Skopje, Skopje, North Macedonia
| | - Nikola Hadzi-Petrushev
- Institute of Biology, Faculty of Natural Science and Mathematics, Ss Cyril and Methodius University, Skopje, North Macedonia
| | - Aleksandar Nikodinovski
- Institut for Preclinical and Clinical Pharmacology and Toxicology, Medical Faculty, Ss Cyril and Methodius University, Skopje, North Macedonia
| | - Hristo Gagov
- Faculty of Biology, St. Kliment Ohridski University, Sofia, Bulgaria
| | - Natalija Atanasova-Panchevska
- Institute of Biology, Faculty of Natural Science and Mathematics, Ss Cyril and Methodius University, Skopje, North Macedonia
| | - Vadim Mitrokhin
- Department of Fundamental and Applied Physiology, Russian National Research Medical University, Moscow, Russia
| | - Andre Kamkin
- Department of Fundamental and Applied Physiology, Russian National Research Medical University, Moscow, Russia
| | - Mitko Mladenov
- Institute of Biology, Faculty of Natural Science and Mathematics, Ss Cyril and Methodius University, Skopje, North Macedonia
- Department of Fundamental and Applied Physiology, Russian National Research Medical University, Moscow, Russia
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Andrade C, Gomes NGM, Duangsrisai S, Andrade PB, Pereira DM, Valentão P. Medicinal plants utilized in Thai Traditional Medicine for diabetes treatment: Ethnobotanical surveys, scientific evidence and phytochemicals. JOURNAL OF ETHNOPHARMACOLOGY 2020; 263:113177. [PMID: 32768637 DOI: 10.1016/j.jep.2020.113177] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 06/23/2020] [Accepted: 07/09/2020] [Indexed: 05/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Diabetes mellitus remains the most lethal metabolic disease of contemporaneous times and despite the therapeutic arsenal currently available, research on new antidiabetic agents remains a priority. In recent years, the revitalization of Thai Traditional Medicine (TTM) became a clear priority for the Thai government, and many efforts have been undertaken to accelerate research on herbal medicines and their use in medical services in various hospitals. Additionally, and particularly in rural areas, treatment of diabetes and associated symptomatology frequently relies on herbal preparations recommended by practitioners of TTM. In the current work, medicinal plants used in Thailand for treating diabetes, as well as their hypoglycaemic pharmacological evidences and potential therapeutic use for diabetes-related complications were reviewed. MATERIALS AND METHODS Ethnopharmacological information on the plant materials used in TTM for diabetes treatment was collected through literature search in a range of scientific databases using the search terms: diabetes, folk medicine, Thailand medicinal plants, traditional medicine. Information regarding scientific evidence on the antidiabetic effects of surveyed species was obtained considering not only the most common taxonomic designation, but also taxonomic synonyms, and including the keywords 'diabetes' and 'hypoglycaemic effect'. RESULTS A total of 183 species known to be used for diabetes management in TTM were reviewed, with 30% of them still lacking experimental evidences to support claims regarding the mechanisms and phytochemicals underlying their antidiabetic properties. Moreover, a total of 46 bioactives displaying effective antidiabetic effects have been isolated from 24 species, their underlying mechanism(s) of action being fully or partially disclosed. CONCLUSIONS We deliver the most extensive survey dealing with the ethnomedicinal knowledge of Thai medicinal plants utilized on diabetes management. We are certain that the current review will spark further research on Thai plants for the development of new standardized phytomedicines through drug discovery programmes.
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Affiliation(s)
- Catarina Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade Do Porto, R. Jorge Viterbo Ferreira, Nº 228, 4050-313, Porto, Portugal.
| | - Nelson G M Gomes
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade Do Porto, R. Jorge Viterbo Ferreira, Nº 228, 4050-313, Porto, Portugal.
| | - Sutsawat Duangsrisai
- Department of Botany, Faculty of Science, Kasetsart University, Ngam Wong Wang Road, Chatuchak, Bangkok, 10900, Thailand.
| | - Paula B Andrade
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade Do Porto, R. Jorge Viterbo Ferreira, Nº 228, 4050-313, Porto, Portugal.
| | - David M Pereira
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade Do Porto, R. Jorge Viterbo Ferreira, Nº 228, 4050-313, Porto, Portugal.
| | - Patrícia Valentão
- REQUIMTE/LAQV, Laboratório de Farmacognosia, Departamento de Química, Faculdade de Farmácia, Universidade Do Porto, R. Jorge Viterbo Ferreira, Nº 228, 4050-313, Porto, Portugal.
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Dehdashtian E, Pourhanifeh MH, Hemati K, Mehrzadi S, Hosseinzadeh A. Therapeutic application of nutraceuticals in diabetic nephropathy: Current evidence and future implications. Diabetes Metab Res Rev 2020; 36:e3336. [PMID: 32415805 DOI: 10.1002/dmrr.3336] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 12/11/2022]
Abstract
Diabetes mellitus (DM) is a common metabolic disease which may cause several complications, such as diabetic nephropathy (DN). The routine medical treatments used for DM are not effective enough and have many undesirable side effects. Moreover, the global increased prevalence of DM makes researchers try to explore potential complementary or alternative treatments. Nutraceuticals, as natural products with pharmaceutical agents, have a wide range of therapeutic properties in various pathologic conditions such as DN. However, the exact underlying mechanisms have not been fully understood. The purpose of this review is to summarize recent findings on the effect of nutraceuticals on DN.
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Affiliation(s)
- Ehsan Dehdashtian
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Pourhanifeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran
| | - Karim Hemati
- Department of Anesthesiology, Iran University of Medical Sciences, Tehran, Iran
| | - Saeed Mehrzadi
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Azam Hosseinzadeh
- Razi Drug Research Center, Iran University of Medical Sciences, Tehran, Iran
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Ram C, Jha AK, Ghosh A, Gairola S, Syed AM, Murty US, Naidu VGM, Sahu BD. Targeting NLRP3 inflammasome as a promising approach for treatment of diabetic nephropathy: Preclinical evidences with therapeutic approaches. Eur J Pharmacol 2020; 885:173503. [PMID: 32858047 DOI: 10.1016/j.ejphar.2020.173503] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/19/2020] [Accepted: 08/23/2020] [Indexed: 12/12/2022]
Abstract
Diabetes mellitus is an increasingly prevalent disease around the globe. The epidemic of diabetes mellitus and its complications pretenses the foremost health threat globally. Diabetic nephropathy is the notable complication in diabetes, leading to end-stage renal disease (ESRD) and premature death. Abundant experimental evidence indicates that oxidative stress and inflammation are the important mediators in diabetic kidney diseases and interlinked with various signal transduction molecular mechanisms. Inflammasomes are the critical components of innate immunity and are recognized as a critical mediator of inflammation and autoimmune disorders. NOD-like receptor protein 3 (NLRP3) inflammasome is the well-characterized protein and it exhibits the sterile inflammation through the regulation of pro-inflammatory cytokines interleukin (IL)-1β and IL-18 production in tissues. In recent years, the role of NLRP3 inflammasome in the pathophysiology of diabetic kidney diseases in both clinical and experimental studies has generated great interest. In the current review, we focused on and discussed the role of NLRP3 inflammasome in diabetic nephropathy. A literature review was performed using online databases namely, PubMed, Scopus, Google Scholar and Web of science to explore the possible pharmacological interventions that blunt the NLRP3 inflammasome-caspase-1-IL-1β/IL-18 axis and shown to have a beneficial effect in diabetic kidney diseases. This review describes the inhibition of NLRP3 inflammasome activation as a promising therapeutic target for drug discovery in future.
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Affiliation(s)
- Chetan Ram
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India
| | - Ankush Kumar Jha
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India
| | - Aparajita Ghosh
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India
| | - Shobhit Gairola
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India
| | - Abu Mohammad Syed
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India
| | - Upadhyayula Suryanarayana Murty
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India
| | - V G M Naidu
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India
| | - Bidya Dhar Sahu
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Guwahati, Changsari, PIN-781101, Assam, India.
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Cordyceps cicadae polysaccharides ameliorated renal interstitial fibrosis in diabetic nephropathy rats by repressing inflammation and modulating gut microbiota dysbiosis. Int J Biol Macromol 2020; 163:442-456. [PMID: 32592781 DOI: 10.1016/j.ijbiomac.2020.06.153] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 06/11/2020] [Accepted: 06/17/2020] [Indexed: 12/28/2022]
Abstract
Diabetic nephropathy (DN), a complication of diabetes mellitus, has been the leading cause of death in people with chronic kidney disease. This study was conducted to examine the potential health benefits of Cordyceps cicadae polysaccharides (CCP) on kidney injury and renal interstitial fibrosis that occur in DN rats. First, a DN model was established using SD rats fed with a high-fat diet for 8 weeks, then injected with STZ (35 mg/kg) intraperitoneally. The rats were then supplemented with CCP (75, 150 and 300 mg/kg) for 4 weeks. The results indicated that CCP improve insulin resistance and glucose tolerance in DN rats. Furthermore, CCP intervention significantly suppressed the inflammation, renal pathological changes and renal dysfunction, slowing down the progression of renal interstitial fibrosis. Moreover, high-throughput pyrosequencing of 16S rRNA suggested that CCP modulated the dysbiosis of gut microbiota by enhancing the relative abundance and proliferation capacity of probiotics. In vitro, CCP can markedly decrease LPS-induced inflammatory cytokine levels and TGF-β1-induced fibroblast activation. In summary, the results provided evidence that CCP exerted a beneficial effect on tubulointerstitial fibrosis in DN rats by possibly suppressing the inflammatory response and modulating gut microbiota dysbiosis, via blocking the TLR4/NF-κB and TGF-β1/Smad signaling pathway.
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50
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Zhu M, Sun X, Qi X, Xia L, Wu Y. Exosomes from high glucose-treated macrophages activate macrophages andinduce inflammatory responses via NF-κB signaling pathway in vitro and in vivo. Int Immunopharmacol 2020; 84:106551. [PMID: 32388490 DOI: 10.1016/j.intimp.2020.106551] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/12/2020] [Accepted: 04/27/2020] [Indexed: 12/16/2022]
Abstract
There is increasing evidence that macrophages play an important role in the development and pathogenesis of diabetic nephropathy (DN) by secreting inflammatory cytokines. Exosomes are a family of extracellular vesicles that are secreted from almost all types of cells and associated with cell-to-cell communications. In this article, we try to investigate whether high glucose (HG)-treated macrophages-derived exosomes could activate macrophages and induce inflammatory responses in vivo and in vitro. We incubated the exosomes from high glucose-treated Raw264.7 cells (HG-Exo) and Raw264.7 cells for 24 h. The expression levels of related inflammatory molecules and NF-κB p65 signaling pathway were identified, as well as the intracellular localization of NF-κB p65 was detected. In vivo, HG-Exo was injected into mice via tail vein and the related parameters of kidneys were detected. Compared with the exosomes from normal glucose-treated Raw264.7 cells (NG-Exo), HG-Exo contained higher concentrations of IL-1β and iNOS. HG-Exo-treated Raw264.7 cells secreted higher level of related inflammatory molecules and promoted NF-κB p65 signaling pathway expression. HG-Exo induced the production of intracellular iNOS and α-SMA. In the HG-Exo group, NF-κB p65 positive signals were mainly distributed in the nucleus area. HG-Exo treated mice kidneys displayed a significantly mesangial expansion and proliferation. NF-κB p65 protein expression levels in mice renal tissue treated with HG-Exo was significantly up-regulated. These findings suggest that high glucose treated macrophages-derived exosomes may activate macrophages and accelerate kidney injury via NF-κB p65 signaling pathway.
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Affiliation(s)
- Mei Zhu
- Department of Nephropathy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China
| | - Xuanjun Sun
- Department of Nephropathy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China
| | - Xiangming Qi
- Department of Nephropathy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China
| | - Lingling Xia
- Department of Infective Disease, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China.
| | - Yonggui Wu
- Department of Nephropathy, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China.
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