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Petrović A, Madić V, Stojanović G, Zlatanović I, Zlatković B, Vasiljević P, Đorđević L. Antidiabetic effects of polyherbal mixture made of Centaurium erythraea, Cichorium intybus and Potentilla erecta. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117032. [PMID: 37582477 DOI: 10.1016/j.jep.2023.117032] [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: 06/01/2023] [Revised: 07/29/2023] [Accepted: 08/11/2023] [Indexed: 08/17/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The polyherbal mixture made of Centaurium erythraea aerial parts and Cichorium intybus roots and Potentilla erecta rhizomes has been used for centuries to treat both the primary and secondary complications of diabetes. AIM OF THE STUDY As a continuation of our search for the most effective herbal mixture used as an ethnopharmacological remedy for diabetes, this study aimed to compare the in vitro biological activities of this polyherbal mixture and its individual ingredients, and, most importantly, to validate the ethnopharmacological value of the herbal mixture through evaluation of its phytochemical composition, its potential in vivo toxicity and its effect on diabetes complications. MATERIALS AND METHODS Phytochemical analysis was performed using HPLC-UV. Antioxidant activity was estimated via the DPPH test. Potential cytotoxicity/anticytotoxicity was assessed using an in vitro RBCs antihemolytic assay and an in vivo sub-chronic oral toxicity method. Antidiabetic activity was evaluated using an in vitro α-amylase inhibition assay and in vivo using a chemically induced diabetic rat model. RESULTS The HPLC-UV analysis revealed the presence of p-hydroxybenzoic acid, p-hydroxybenzoic acid derivative, catechin, five catechin derivatives, epicatechin, isoquercetin, hyperoside, rutin, four quercetin derivatives, caffeic acid, and four caffeic acid derivatives in the polyherbal mixture decoction. Treatment with the decoction has shown no toxic effects. The antioxidant and cytoprotective activities of the polyherbal mixture were higher than the reference's ones. Its antidiabetic activity was high in both in vitro and in vivo studies. Fourteen days of treatment with the decoction (15 g/kg) completely normalized blood glucose levels of diabetic animals, while treatments with insulin and glimepiride only slightly lowered glycemic values. In addition, lipid status of treated animals as well as levels of serum AST, ALT, ALP, creatinine, urea and MDA were completely normalized. In addition, the polyherbal mixture completely restored the histopathological changes of the liver, kidneys and all four Cornu ammonis regions of the hippocampus. CONCLUSIONS The polyherbal mixture was effective in the prevention of both primary and secondary diabetic complications such as hyperlipidemia, increased lipid peroxidation, non-alcoholic fatty liver disease, nephropathy and neurodegeneration.
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Affiliation(s)
- Aleksandra Petrović
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000, Niš, Serbia.
| | - Višnja Madić
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000, Niš, Serbia
| | - Gordana Stojanović
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000, Niš, Serbia
| | - Ivana Zlatanović
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000, Niš, Serbia
| | - Bojan Zlatković
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000, Niš, Serbia
| | - Perica Vasiljević
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000, Niš, Serbia
| | - Ljubiša Đorđević
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000, Niš, Serbia
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Rodimova S, Bobrov N, Mozherov A, Elagin V, Karabut M, Ermakova P, Shchechkin I, Kozlov D, Krylov D, Gavrina A, Kashina A, Zagainov V, Zagaynova E, Kuznetsova D. The Effect of Diabetes Mellitus Type 1 on the Energy Metabolism of Hepatocytes: Multiphoton Microscopy and Fluorescence Lifetime Imaging. Int J Mol Sci 2023; 24:17016. [PMID: 38069338 PMCID: PMC10706954 DOI: 10.3390/ijms242317016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/28/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
A decrease in the regenerative potential of the liver during the development of non-alcoholic fatty liver disease (NAFLD), which is observed in the vast majority of patients with diabetes mellitus type 1, significantly increases the risk of postoperative liver failure. In this regard, it is necessary to develop new approaches for the rapid intraoperative assessment of the condition of liver tissue in the presence of concomitant liver pathology. A modern label-free approach based on multiphoton microscopy, second harmonic generation (SHG), and fluorescence lifetime imaging microscopy (FLIM) allow for the evaluation of the structure of liver tissue as well as the assessment of the metabolic state of hepatocytes, even at the cellular level. We obtained optical criteria and identified specific changes in the metabolic state of hepatocytes for a reduced liver regenerative potential in the presence of induced diabetes mellitus type 1. The obtained criteria will expand the possibilities for the express assessment of the structural and functional state of liver tissue in clinical practice.
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Affiliation(s)
- Svetlana Rodimova
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
| | - Nikolai Bobrov
- The Volga District Medical Centre of Federal Medical and Biological Agency, 14 Ilinskaya St., 603000 Nizhny Novgorod, Russia
| | - Artem Mozherov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
- Laboratory of Molecular Genetic Research of the Institute of Clinical Medicine, Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Vadim Elagin
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
| | - Maria Karabut
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
| | - Polina Ermakova
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
| | - Ilya Shchechkin
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
- Laboratory of Molecular Genetic Research of the Institute of Clinical Medicine, Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Dmitry Kozlov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
- Laboratory of Molecular Genetic Research of the Institute of Clinical Medicine, Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Dmitry Krylov
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
- Laboratory of Molecular Genetic Research of the Institute of Clinical Medicine, Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Alena Gavrina
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
- Laboratory of Molecular Genetic Research of the Institute of Clinical Medicine, Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
| | - Aleksandra Kashina
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
| | - Vladimir Zagainov
- The Volga District Medical Centre of Federal Medical and Biological Agency, 14 Ilinskaya St., 603000 Nizhny Novgorod, Russia
- Nizhny Novgorod Regional Clinical Oncologic Dispensary, 11/1 Delovaya St., 603126 Nizhny Novgorod, Russia
| | - Elena Zagaynova
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
- Lopukhin Federal Research and Clinical Center of Physical-Chemical Medicine of Federal Medical Biological Agency, 1a Malaya Pirogovskaya St., 119435 Moscow, Russia
| | - Daria Kuznetsova
- Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 10/1 Minin and Pozharsky Sq., 603000 Nizhny Novgorod, Russia; (S.R.); (V.E.); (D.K.); (D.K.)
- Laboratory of Molecular Genetic Research of the Institute of Clinical Medicine, Lobachevsky Nizhny Novgorod National Research State University, 23 Gagarina Ave., 603022 Nizhny Novgorod, Russia
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Dutta S, Mahalanobish S, Saha S, Mandal M, Begam S, Sadhukhan P, Ghosh S, Brahmachari G, Sil PC. Biological evaluation of the novel 3,3'-((4-nitrophenyl)methylene)bis(4-hydroxy-2H-chromen-2-one) derivative as potential anticancer agents via the selective induction of reactive oxygen species-mediated apoptosis. Cell Signal 2023; 111:110876. [PMID: 37640193 DOI: 10.1016/j.cellsig.2023.110876] [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: 05/11/2023] [Revised: 08/02/2023] [Accepted: 08/25/2023] [Indexed: 08/31/2023]
Abstract
Selective initiation of programmed cell death in cancer cells than normal cells is reflected as an attractive chemotherapeutic strategy. In the current study, a series of synthetic bis-coumarin derivatives were synthesized possessing reactive oxygen species (ROS) modulating functional groups and examined in four cancerous and two normal cell lines for their cytotoxic ability using MTT assay. Among these compounds, 3 l emerged as the most promising derivative in persuading apoptosis in human renal carcinoma cells (SKRC-45) among diverse cancer cell lines. 3 l causes significantly less cytotoxicity to normal kidney cells compared to cisplatin. This compound was able to induce apoptosis and cell-cycle arrest by modulating the p53 mediated apoptotic pathways via the generation of ROS, decreasing mitochondrial membrane potential, and causing DNA fragmentation. Unlike cisplatin, the 3 l derivative was found to inhibit the nuclear localisation of NF-κB in SKRC-45 cells. It was also found to reduce the proliferation, survival and migration ability of SKRC-45 cells by downregulating COX-2/ PTGES2 cascade and MMP-2. In an in vivo tumor model, 3 l showed an anticancer effect by reducing the mean tumor mass, volume and inducing caspase-3 activation, without affecting kidney function. Further studies are needed to establish 3 l as a promising anti-cancer drug candidate.
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Affiliation(s)
- Sayanta Dutta
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Sushweta Mahalanobish
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Sukanya Saha
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Mullicka Mandal
- Laboratory of Natural Products and Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Sanchari Begam
- Laboratory of Natural Products and Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Pritam Sadhukhan
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Sumit Ghosh
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Goutam Brahmachari
- Laboratory of Natural Products and Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Parames C Sil
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India.
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Sun M, Zhao X, Li X, Wang C, Lin L, Wang K, Sun Y, Ye W, Li H, Zhang Y, Huang C. Aerobic Exercise Ameliorates Liver Injury in Db/Db Mice by Attenuating Oxidative Stress, Apoptosis and Inflammation Through the Nrf2 and JAK2/STAT3 Signalling Pathways. J Inflamm Res 2023; 16:4805-4819. [PMID: 37901382 PMCID: PMC10612520 DOI: 10.2147/jir.s426581] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 10/12/2023] [Indexed: 10/31/2023] Open
Abstract
Objective Diabetes mellitus (DM) implicates oxidative stress, apoptosis, and inflammation, all of which may contribute liver injury. Aerobic exercise is assured to positively regulate metabolism in the liver. This project was designed to investigate whether and how aerobic exercise improves DM-induced liver injury. Methods Seven-week-old male db/db mice and age-matched m/m mice were randomly divided into a rest control group or a group that received 12 weeks of aerobic exercise by treadmill training (10 m/min). Haematoxylin and eosin (HE) staining, electron microscopy, Oil Red O staining and TUNEL assays were used to evaluate the histopathological changes in mouse liver. The serum levels of alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglyceride (TRIG), cholesterol (CHOL) were analyzed by serum biochemical analysis. Interleukin-6 (IL-6), tumour necrosis factor-α (TNF-α), and tissue levels of malondialdehyde (MDA) and superoxide dismutase (SOD) were analyzed via ELISA. Nuclear factor E2-associated factor-2 (Nrf2), nuclear factor κB (NF-κB) and JAK2/STAT3 pathway-related proteins were measured by immunofluorescence, Western blotting and q-PCR. F4/80 expression in liver tissues was assessed by immunohistochemistry. Results In diabetic mice, exercise training significantly decreased the levels of serum TRIG, CHOL, IL-6, TNF-α, ALT and AST; prevented weight gain, hyperglycaemia, and impaired glucose and insulin tolerance. Morphologically, exercise mitigated the diabetes-induced increase in liver tissue microvesicles, inflammatory cells, F4/80 (macrophage marker) levels, and TUNEL-positive cells. In addition, exercise reduced the apoptosis index, which is consistent with the results for caspase-3 and Bax. Additionally, exercise significantly increased SOD activity, decreased MDA levels, activated Nrf2 and decreased the expression of NF-kB, phosphorylated JAK2 and STAT3 proteins in the livers of diabetic mice. Conclusion This study demonstrated that aerobic exercise reversed liver dysfunction in db/db mice with T2DM by reducing oxidative stress, apoptosis and inflammation, possibly by enhancing Nrf2 expression and inhibiting the JAK2/STAT3 cascade response.
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Affiliation(s)
- Meiyan Sun
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China
| | - Xiaoyong Zhao
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China
| | - Xingyue Li
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China
| | - Chunling Wang
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China
| | - Lili Lin
- The First Clinical Medical College, Wenzhou Medical University, Wenzhou, 325000, People’s Republic of China
| | - Kaifang Wang
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China
| | - Yingui Sun
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China
| | - Wei Ye
- The First Clinical Medical College, Wenzhou Medical University, Wenzhou, 325000, People’s Republic of China
| | - Haiyan Li
- The First Clinical Medical College, Wenzhou Medical University, Wenzhou, 325000, People’s Republic of China
| | - Ye Zhang
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Chaolu Huang
- Department of Anesthesiology, Affiliated Hospital of Weifang Medical University, Weifang, Shandong Province, 261053, People’s Republic of China
- Department of Clinical Medicine, Qiandongnan Ethnic Vocational and Technical College, Kaili, 556000, People’s Republic of China
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Aamir K, Sethi G, Afrin MR, Hossain CF, Jusuf PR, Sarker SD, Arya A. Arjunolic acid modulate pancreatic dysfunction by ameliorating pattern recognition receptor and canonical Wnt pathway activation in type 2 diabetic rats. Life Sci 2023:121856. [PMID: 37307966 DOI: 10.1016/j.lfs.2023.121856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/04/2023] [Accepted: 06/09/2023] [Indexed: 06/14/2023]
Abstract
BACKGROUND Arjunolic acid (AA) is a potent phytochemical with multiple therapeutics effects. In this study, AA is evaluated on type 2 diabetic (T2DM) rats to understand the mechanism of β-cell linkage with Toll-like receptor 4 (TLR-4) and canonical Wnt signaling. However, its role in modulating TLR-4 and canonical Wnt/β-catenin crosstalk on insulin signaling remains unclear during T2DM. Aim The current study is aimed to examine the potential role of AA on insulin signaling and TLR-4-Wnt crosstalk in the pancreas of type 2 diabetic rats. METHOD Multiple methods were used to determine molecular cognizance of AA in T2DM rats, when treated with different dosage levels. Histopathological and histomorphometry analysis was conducted using masson trichrome and H&E stains. While, protein and mRNA expressions of TLR-4/Wnt and insulin signaling were assessed using automated Western blotting (jess), immunohistochemistry, and RT-PCR. RESULTS Histopathological findings revealed that AA had reversed back the T2DM-induced apoptosis and necrosis caused to rats pancreas. Molecular findings exhibited prominent effects of AA in downregulating the elevated level of TLR-4, MyD88, NF-κB, p-JNK, and Wnt/β-catenin by blocking TLR-4/MyD88 and canonical Wnt signaling in diabetic pancreas, while IRS-1, PI3K, and pAkt were all upregulated by altering the NF-κB and β-catenin crosstalk during T2DM. CONCLUSION Overall results, indicate that AA has potential to develop as an effective therapeutic in the treatment of T2DM associated meta-inflammation. However, future preclinical research at multiple dose level in a long-term chronic T2DM disease model is warranted to understand its clinical relevance in cardiometabolic disease.
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Affiliation(s)
- Khurram Aamir
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia; Akhtar Saeed College of Pharmacy, Canal Campus, Lahore, Pakistan
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Mst Rejina Afrin
- Department of Pharmacy, Faculty of Sciences and Engineering, East West University, Dhaka 1212, Bangladesh
| | - Chowdhury Faiz Hossain
- Department of Pharmacy, Faculty of Sciences and Engineering, East West University, Dhaka 1212, Bangladesh
| | - Patricia Regina Jusuf
- School of Biosciences, Faculty of Sciences, University of Melbourne, Parkville, VIC, Australia
| | - Satyajit D Sarker
- Centre for Natural Product Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, United Kingdom
| | - Aditya Arya
- School of Biosciences, Faculty of Sciences, University of Melbourne, Parkville, VIC, Australia; Centre for Natural Product Discovery, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, James Parsons Building, Byrom Street, Liverpool L3 3AF, United Kingdom; Department of Pharmacology & Therapeutics, School of Medicine, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia.
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Iskender H, Dokumacioglu E, Terim Kapakin KA, Bolat I, Mokhtare B, Hayirli A, Yenice G. Effect of Oleanolic acid administration on hepatic AMPK, SIRT-1, IL-6 and NF-κB levels in experimental diabetes. J Diabetes Metab Disord 2023; 22:581-590. [PMID: 37255809 PMCID: PMC10225422 DOI: 10.1007/s40200-022-01178-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 12/25/2022] [Indexed: 06/01/2023]
Abstract
Objectives Diabetes mellitus (DM) is an important public health problem all over the world, considering its complications and increasing prevalence. Oleanolic acid (OA) has anti-diabetic property via modulating glucose metabolism and acting as 5'-adenosine monophosphate (AMP)-activated protein kinase (AMPK) / Sirtuin-1 (SIRT-1) activator and Interleukin 6 (IL-6) / Nuclear factor kappa B (NF-κB) inhibitor. This research questioned if the OA treatment amliorates the hepatic inflammatory profile in the diabetic rats. Methods Twenty-eight male Sprague Dawley rats were first subjected to either no diabetes induction (healthy) or diabetes induction by i.p. injection of 50 mg/kg streptozotocin. Then rats in both groups were treated with either tap water or OA (5 mg/kg) within 1 ml tap water by oral gavage for 21 days. Results The diabetic rats had higher hepatic MDA (2.88x) and serum AST (2.01x), ALP (2.22x), and ALT (4.27x) levels and 50% lower hepatic SOD level than the healthy rats. The OA treatment significantly reversed these antioxidant parameters in the diabetic rats. The diabetic rats had lower AMPK (85%) and hepatic SIRT-1 (47%) levels and higher hepatic NF-κB (53%) and IL-6 (34%) levels than the healthy rats. Comparing with the health rats, the OA treatment increased hepatic SIRT-1 level, but tended to increase hepatic AMPK level and decrease hepatic NF-κB and IL-6 levels in the diabetic rats. It was also partially effective to ameliorate degenerative changes and necrosis in the diabetic rats. Conclusion The OA treatment can be considered to alleviate oxidative stress and reduce severity of inflammation in hepatocytes in the diabetic subjects.
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Affiliation(s)
- Hatice Iskender
- Faculty of Healthy Sciences, Department of Nutrition and Dietetics, Artvin Coruh University, 08000 Artvin, Turkey
| | - Eda Dokumacioglu
- Faculty of Healthy Sciences, Department of Nutrition and Dietetics, Artvin Coruh University, 08000 Artvin, Turkey
| | | | - Ismail Bolat
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Behzat Mokhtare
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Armagan Hayirli
- Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
| | - Guler Yenice
- Department of Animal Nutrition and Nutritional Disorders, Faculty of Veterinary Medicine, Ataturk University, Erzurum, Turkey
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Malekpour K, Hazrati A, Soudi S, Roshangar L, Pourfathollah AA, Ahmadi M. Combinational administration of mesenchymal stem cell-derived exosomes and metformin reduces inflammatory responses in an in vitro model of insulin resistance in HepG2 cells. Heliyon 2023; 9:e15489. [PMID: 37153436 PMCID: PMC10160701 DOI: 10.1016/j.heliyon.2023.e15489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 03/30/2023] [Accepted: 04/11/2023] [Indexed: 05/09/2023] Open
Abstract
Diabetes is a highly common metabolic disorder in advanced societies. One of the causes of diabetes is insulin resistance, which is associated with a loss of sensitivity to insulin-sensitive cells. Insulin resistance develops in the body of a person prone to diabetes many years before diabetes development. Insulin resistance is associated with complications such as hyperglycemia, hyperlipidemia, and compensatory hyperinsulinemia and causes liver inflammation, which, if left untreated, can lead to cirrhosis, fibrosis, and even liver cancer. Metformin is the first line of treatment for patients with diabetes, which lowers blood sugar and increases insulin sensitivity by inhibiting gluconeogenesis in liver cells. The use of metformin has side effects, including a metallic taste in the mouth, vomiting, nausea, diarrhea, and upset stomach. For this reason, other treatments, along with metformin, are being developed. Considering the anti-inflammatory role of mesenchymal stem cells (MSCs) derived exosomes, their use seems to help improve liver tissue function and prevent damage caused by inflammation. This study investigated the anti-inflammatory effect of Wharton's jelly MSCs derived exosomes in combination with metformin in the HepG2 cells insulin resistance model induced by high glucose. This study showed that MSCs derived exosomes as an anti-inflammatory agent in combination with metformin could increase the therapeutic efficacy of metformin without needing to change metformin doses by decreasing inflammatory cytokines production, including IL-1, IL-6, and TNF-α and apoptosis in HepG2 cells.
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Affiliation(s)
- Kosar Malekpour
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ali Hazrati
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sara Soudi
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Leila Roshangar
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Akbar Pourfathollah
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
- Corresponding author.
| | - Majid Ahmadi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Corresponding author.
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Kokabiyan Z, Yaghmaei P, Jameie SB, Hajebrahimi Z. Effect of eugenol on lipid profile, oxidative stress, sex hormone, liver injury, ovarian failure, and expression of COX-2 and PPAR-α genes in a rat model of diabetes. Mol Biol Rep 2023; 50:3669-3679. [PMID: 36829079 DOI: 10.1007/s11033-022-08108-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 11/09/2022] [Indexed: 02/26/2023]
Abstract
BACKGROUND Diabetes is among the leading causes of reproductive system failure and infertility in both women and men. Inflammation and oxidative stress have a main role in the development of diabetes. Eugenol or clove oil is a phenolic monoterpenoid with antioxidant and anti-inflammatory properties. Here, the effects of eugenol on diabetes features and ovarian function were investigated. METHODS AND RESULTS Streptozotocin-induced diabetes rats were treated with 12 and 24 mg/kg of eugenol for 4 weeks. The biochemical and histological assay was done to evaluate the effects of eugenol on ovary and pancreas function, liver injury, oxidative status, sex hormones, lipid profile, and mRNA levels of cyclooxygenase-2 (COX-2) and peroxisome proliferator-activated receptor alpha (PPAR-α) genes. Streptozotocin increased levels of serum glucose, total cholesterol, triglyceride, low-density lipoprotein, aspartate transaminase, alanine transaminase, alkaline phosphatase, malondialdehyde, pancreas necrosis and inflammation, COX-2 expression, ovarian cystic, and anovulation. It decreased the levels of insulin, high-density lipoprotein, Superoxide dismutase, estradiol, progesterone, testosterone, luteinizing hormone, follicle-stimulating hormone, and PPAR-α expression. Eugenol administration ameliorated diabetes features through the improvement of lipid profile, oxidative status, insulin and glucose levels, sex hormone levels, liver markers, COX-2 and PPAR-α expression, and pancreas histology. It had no effect on ovarian cystic and follicular development. CONCLUSIONS Therefore, eugenol may be useful for ameliorating some adverse features of diabetes and used as an adjunct treatment or protective agent accompany by other chemicals in diabetes patients.
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Affiliation(s)
- Zahra Kokabiyan
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Parichehreh Yaghmaei
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Seyed Behnamedin Jameie
- Department of Anatomy, Neuroscience Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Hajebrahimi
- A&S Research Institute, Ministry of Science Research and Technology, Tehran, Iran
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9
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Gonçalves BMF, Mendes VIS, Silvestre SM, Salvador JAR. Design, synthesis, and biological evaluation of new arjunolic acid derivatives as anticancer agents. RSC Med Chem 2023; 14:313-331. [PMID: 36846362 PMCID: PMC9945870 DOI: 10.1039/d2md00275b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 12/01/2022] [Indexed: 12/24/2022] Open
Abstract
Arjunolic acid (AA) is a pentacyclic triterpenoid with promising anticancer properties. A series of novel AA derivatives containing a pentameric A-ring with an enal moiety, combined with additional modifications at C-28, were designed and prepared. The biological activity on the viability of human cancer and non-tumor cell lines was evaluated in order to identify the most promising derivatives. Additionally, a preliminary study of the structure-activity relationship was carried out. The most active derivative, derivative 26, also showed the best selectivity between malignant cells and non-malignant fibroblasts. For compound 26, the anticancer molecular mechanism of action in PANC-1 cells was further studied and the results showed that this derivative induced a cell-cycle arrest at G0/G1 phase and significantly inhibited the wound closure rate of PANC-1 cancer cells in a concentration-dependent manner. Additionally, compound 26 synergistically increased the cytotoxicity of Gemcitabine, especially at a concentration of 0.24 μM. Moreover, a preliminary pharmacological study indicated that at lower doses this compound did not demonstrate toxicity in vivo. Taken together, these findings suggest that compound 26 may be a valuable compound for the development of new pancreatic anticancer treatment, and further studies are needed to explore its full potential.
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Affiliation(s)
- Bruno M F Gonçalves
- CHEM4PHARMA, Biocant - Parque Tecnológico de Cantanhede Núcleo 4, Lote 14 3060-197 Cantanhede Portugal
- Center for Neuroscience and Cell Biology Coimbra Portugal
| | - Vanessa I S Mendes
- CHEM4PHARMA, Biocant - Parque Tecnológico de Cantanhede Núcleo 4, Lote 14 3060-197 Cantanhede Portugal
- Center for Neuroscience and Cell Biology Coimbra Portugal
| | - Samuel M Silvestre
- Center for Neuroscience and Cell Biology Coimbra Portugal
- CICS-UBI - Health Sciences Research Centre, University of Beira Interior Av. Infante D. Henrique 6200-506 Covilhã Portugal
| | - Jorge A R Salvador
- Center for Neuroscience and Cell Biology Coimbra Portugal
- Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Coimbra 3000-548 Coimbra Portugal +351 239 488 503 +351 239 488 400
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10
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Jiang T, Shen S, Wang L, Zhao M, Li Y, Huang S. Grifola frondosa Polysaccharide Ameliorates Early Diabetic Nephropathy by Suppressing the TLR4/NF-κB Pathway. Appl Biochem Biotechnol 2022; 194:4093-4104. [PMID: 35616773 DOI: 10.1007/s12010-022-03976-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2022] [Indexed: 01/05/2023]
Abstract
Grifola frondosa is a medicinal macro-fungus with a wide range of biological activities. Polysaccharides from Grifola frondosa (PGF) play a positive role in regulating blood glucose and alleviating kidney injury. Here, we investigated the exact mechanism of action by which PGF ameliorates diabetic nephropathy. Our results showed that PGF effectively improved glucose tolerance and insulin sensitivity in streptozocin (STZ)-induced DN mice. Additionally, administration of PGF also ameliorated renal function and inflammatory response in STZ-induced DN mice. Consistent with the in vitro results, the high glucose-induced inflammatory response and apoptosis of renal tubular epithelial cells were decreased by PGF treatment. Furthermore, PGF not only suppressed the expression of TLR4, but also more effectively protected the kidney and reduced the inflammatory response when TLR4 was inhibited. All these data revealed that PGF alleviates diabetic nephropathy by blocking the TLR4/NF-κB pathway.
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Affiliation(s)
- Tao Jiang
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai, 519041, Guangdong, China.
| | - Sile Shen
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai, 519041, Guangdong, China
| | - Liang Wang
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai, 519041, Guangdong, China
| | - Mingzhi Zhao
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai, 519041, Guangdong, China
| | - Yangyan Li
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai, 519041, Guangdong, China
| | - Shuting Huang
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai, 519041, Guangdong, China
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11
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Hyun MK, Kim DH, Park CH, Noh SG, Choi S, Lee JY, Choi JH, Park D, Choi YJ, Chung HY. Protective mechanisms of loquat leaf extract and ursolic acid against diabetic pro-inflammation. J Mol Med (Berl) 2022; 100:1455-1464. [PMID: 35962799 DOI: 10.1007/s00109-022-02243-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 07/14/2022] [Accepted: 08/04/2022] [Indexed: 10/15/2022]
Abstract
The pharmacological effectiveness of loquat leaf extract (LE) and its important component, ursolic acid (UA), in the treatment of diabetes mellitus, has been well established in traditional medicine; however, the mechanism underlying their action is still unclear. We evaluated the protective effects of LE and UA against hyperglycemia-induced advanced glycation end product (AGE) formations and hepatic pro-inflammation. Oral administration of UA and LE at a dose of 50 mg/kg/day for 15 days yielded no significant hypoglycemic effect in diabetic db/db mice. UA and LE suppressed hepatic oxidative stress and AGE formation in diabetic mice, and this was followed by the downregulated mitogen-activated protein kinase signaling and nuclear factor κ B (NF-κB) activity. To identify the molecular target of LE and UA, a docking simulation was performed, and this predicted UA to bind to liver kinase B1 (LKB1), an upstream of AMP-activated protein kinase (AMPK)/transcription factor forkhead box O3 (FOXO3) axis. UA reversed the high-glucose-induced downregulation of LKB1-AMPK1-FOXO3 activation and antioxidant gene transcription. These findings demonstrated the antioxidant and anti-inflammatory effects of UA and LE against hyperglycemia-induced hepatic inflammation. Furthermore, we speculate that the LKB1/AMPK/FOXO3 pathway is a potential target responsible for these beneficial effects of LE and UA.
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Affiliation(s)
- Min Kyung Hyun
- Department of Pharmacy, College of Pharmacy, Pusan National University, 2 Busandaehak-ro, 63 Beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea.,Department of Medicinal Crop Research, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong, 369-873, Republic of Korea
| | - Dae Hyun Kim
- Department of Pharmacy, College of Pharmacy, Pusan National University, 2 Busandaehak-ro, 63 Beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea
| | - Chan Hum Park
- Department of Medicinal Crop Research, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong, 369-873, Republic of Korea
| | - Sang Gyun Noh
- Department of Pharmacy, College of Pharmacy, Pusan National University, 2 Busandaehak-ro, 63 Beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea
| | - Sihyun Choi
- Department of Biopharmaceutical Engineering, College of Science and Technology, Dongguk University Gyeongju, 123 Dongdaero, Gyeongju, 38066, Gyeongbuk, Republic of Korea
| | - Jae Yong Lee
- Department of Biopharmaceutical Engineering, College of Science and Technology, Dongguk University Gyeongju, 123 Dongdaero, Gyeongju, 38066, Gyeongbuk, Republic of Korea
| | - Ji Hye Choi
- Department of Biopharmaceutical Engineering, College of Science and Technology, Dongguk University Gyeongju, 123 Dongdaero, Gyeongju, 38066, Gyeongbuk, Republic of Korea
| | - Duhyeon Park
- Department of Biopharmaceutical Engineering, College of Science and Technology, Dongguk University Gyeongju, 123 Dongdaero, Gyeongju, 38066, Gyeongbuk, Republic of Korea
| | - Yeon Ja Choi
- Department of Biopharmaceutical Engineering, College of Science and Technology, Dongguk University Gyeongju, 123 Dongdaero, Gyeongju, 38066, Gyeongbuk, Republic of Korea.
| | - Hae Young Chung
- Department of Pharmacy, College of Pharmacy, Pusan National University, 2 Busandaehak-ro, 63 Beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea.
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Das AK, Hossain U, Ghosh S, Biswas S, Mandal M, Mandal B, Brahmachari G, Bagchi A, Sil PC. Amelioration of oxidative stress mediated inflammation and apoptosis in pancreatic islets by Lupeol in STZ-induced hyperglycaemic mice. Life Sci 2022; 305:120769. [PMID: 35792182 DOI: 10.1016/j.lfs.2022.120769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 06/27/2022] [Accepted: 06/29/2022] [Indexed: 10/17/2022]
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Zubair M, Azeem M, Mumtaz R, Younas M, Adrees M, Zubair E, Khalid A, Hafeez F, Rizwan M, Ali S. Green synthesis and characterization of silver nanoparticles from Acacia nilotica and their anticancer, antidiabetic and antioxidant efficacy. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 304:119249. [PMID: 35390420 DOI: 10.1016/j.envpol.2022.119249] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/24/2022] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Both cancer and diabetes mellitus are serious health issues, accounting more than 11 million deaths worldwide annually. Targeted use of plant-mediated nanoparticles (NPs) in treatment of ailments has outstanding results due to their salient properties. The current study was designed to investigate the safe production of silver nanoparticles (AgNPs) from Acacia nilotica. Different concentrations of AgNO3 were tested to optimize the protocol for the synthesis of AgNPs from the bark extract. It was demonstrated that 0.1 M and 3 mM were found to be the optimum concentrations for the synthesis of AgNPs. Standard characterization techniques such as UV-vis spectrophotometry, SEM, SEM-EDX micrograph, spot analysis, elemental mapping and XRD were used for the conformation of biosynthesis of AgNPs. Absorption spectrum of plant-mediated AgNPs under UV-vis spectrophotometer showed a strong peak at 380 nm and 420 nm for AgNPs synthesized at 0.1 M and 3 mM concentration of salt. The SEM results showed that AgNPs were present in variable shapes within average particle size ranging from (20-50 nm). Anticancer, antidiabetic and antioxidant potential of green AgNPs was investigated and they showed promising results as compared to the positive and negative controls. Hence, AgNPs were found potent therapeutic agent against the human liver cancer cell lines (HepG2), strong inhibitor for α-glucosidase enzyme activity and scavenging agent against free radicals that cause oxidative stress. Further studies are however needed to confirm the molecular mechanism and biochemical reactions responsible for the anticancer and antidiabetic activities of the particles.
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Affiliation(s)
- Muhammad Zubair
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Muhammad Azeem
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Rabia Mumtaz
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Madiha Younas
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Muhammad Adrees
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Errum Zubair
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Abdullah Khalid
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, 38000, Faisalabad, Pakistan
| | - Farhan Hafeez
- Department of Environmental Sciences, COMSATS University Islamabad (CUI), Tobe Camp, Abbottabad Campus, KPK, Pakistan
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, 38000, Faisalabad, Pakistan.
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, 38000, Faisalabad, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan
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Krisnamurti DGB, Purwaningsih EH, Tarigan TJE, Nugroho CMH, Soetikno V, Louisa M. Alterations of Liver Functions and Morphology in a Rat Model of Prediabetes After a Short-term Treatment of a High-fat High-glucose and Low-dose Streptozotocin. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.8717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: The administration of high-fat and high-glucose in diet followed by a low-dose streptozotocin injection in rats could mimic hyperglycemia, prediabetic, or diabetic conditions in humans. However, whether the rat model may lead to early liver impairment was still unclear.
AIM: This study was aimed to investigate the possible changes in liver functions and morphology in the rat model of prediabetes after a short-term administration of a high-fat and high-glucose diet followed by low-dose streptozotocin injection.
METHODS: Eighteen male Wistar rats were divided into nine rats in the control group and nine in the prediabetic group. To induce prediabetic rats, high-fat high-glucose in daily diets for 3 weeks continued with once to twice low-dose streptozotocin was given. Rats in control groups were fed with a standard diet for 2 months. Afterward, we analyzed glucose control parameters, liver functions, and liver histology of the rats.
RESULTS: High-fat, high-glucose diet combined with a low dose of streptozotocin successfully caused prediabetics in the rats. There was a significant increase in several liver enzymes, including aspartate aminotransferase (AST), alanine aminotransferase (ALT), and gamma-glutamyl transferase (GGT). However, no significant changes were found in the serum lactate dehydrogenase (LDH) and alkaline phosphatase (ALP) levels. The histological changes in the liver confirmed the increase in liver enzymes.
CONCLUSION: Short-term administration of high-fat high-glucose in combination with low-dose streptozotocin triggers alterations in liver functions marker and liver morphology.
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Qi Q, Chu M, Yu X, Xie Y, Li Y, Du Y, Liu X, Zhang Z, Shi J, Yan N. Anthocyanins and Proanthocyanidins: Chemical Structures, Food Sources, Bioactivities, and Product Development. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2029479] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Qianqian Qi
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Meijun Chu
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Xiuting Yu
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yanning Xie
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Yali Li
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yongmei Du
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Xinmin Liu
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Zhongfeng Zhang
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - John Shi
- Guelph Food Research Centre, Agriculture and Agri-Food Canada, Guelph, Canada
| | - Ning Yan
- Plant Functional Component Research Center, Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
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Mesgari-Abbasi M, Valizadeh H, Mirzakhani N, Vahdatpour T. Protective effects of di- and tri-peptides containing proline, glycine, and leucine on liver enzymology and histopathology of diabetic mice. Arch Physiol Biochem 2022; 128:59-68. [PMID: 31496300 DOI: 10.1080/13813455.2019.1662453] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
CONTEXT Small peptides as multifunctional biomolecules can prevent the metabolic disorders such as diabetes. OBJECTIVE The purpose of this study was to investigate the effects of small peptides on the enzymes and histopathology of the liver in mice exposed to diabetes. METHODS Di- and tri-peptides containing proline, glycine, and leucine were produced by solid phase peptide synthesis (SPPS) protocol. The effects of produced peptides as well as carnosine (Ala-His) and glutathione (Glu-Cys-Gly) were evaluated on hepatic enzymes activity by enzymatic method and histopathology of liver using hematoxylin and eosin and TUNEL staining to assess histologic changes and apoptosis in diabetes induced by multiple low doses of streptozotocin (MLDS). RESULTS The Ala-His, Leu-Gly and Pro-Gly-Pro peptides had the higher protective effects against the effects of diabetes on the enzymes and histologic changes of liver in mice. CONCLUSION These peptides can be raised as considerable pharmaceutical preventive agent against diabetes development.
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Affiliation(s)
| | - Hadi Valizadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Pharmaceutics, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Navideh Mirzakhani
- Department of Pathobiology, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran
| | - Tohid Vahdatpour
- Department of Physiology, Faculty of Animal and Veterinary Sciences, Shabestar Branch, Islamic Azad University, Shabestar, Iran
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Mechanistic Insight into Oxidative Stress-Triggered Signaling Pathways and Type 2 Diabetes. Molecules 2022; 27:molecules27030950. [PMID: 35164215 PMCID: PMC8840622 DOI: 10.3390/molecules27030950] [Citation(s) in RCA: 87] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/20/2022] [Accepted: 01/26/2022] [Indexed: 02/07/2023] Open
Abstract
Oxidative stress (OS) is a metabolic dysfunction mediated by the imbalance between the biochemical processes leading to elevated production of reactive oxygen species (ROS) and the antioxidant defense system of the body. It has a ubiquitous role in the development of numerous noncommunicable maladies including cardiovascular diseases, cancers, neurodegenerative diseases, aging and respiratory diseases. Diseases associated with metabolic dysfunction may be influenced by changes in the redox balance. Lately, there has been increasing awareness and evidence that diabetes mellitus (DM), particularly type 2 diabetes, is significantly modulated by oxidative stress. DM is a state of impaired metabolism characterized by hyperglycemia, resulting from defects in insulin secretion or action, or both. ROS such as hydrogen peroxide and the superoxide anion introduce chemical changes virtually in all cellular components, causing deleterious effects on the islets of β-cells, in turn affecting insulin production. Under hyperglycemic conditions, various signaling pathways such as nuclear factor-κβ (NF-κβ) and protein kinase C (PKC) are also activated by ROS. All of these can be linked to a hindrance in insulin signaling pathways, leading to insulin resistance. Hyperglycemia-induced oxidative stress plays a substantial role in complications including diabetic nephropathy. DM patients are more prone to microvascular as well as atherosclerotic macrovascular diseases. This systemic disease affects most countries around the world, owing to population explosion, aging, urbanization, obesity, lifestyle, etc. However, some modulators, with their free radical scavenging properties, can play a prospective role in overcoming the debilitating effects of OS. This review is a modest approach to summarizing the basics and interlinkages of oxidative stress, its modulators and diabetes mellitus. It may add to the understanding of and insight into the pathophysiology of diabetes and the crucial role of antioxidants to weaken the complications and morbidity resulting from this chronic disease.
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Aamir K, Khan HU, Hossain CF, Afrin MR, Jusuf PR, Waheed I, Sethi G, Arya A. Arjunolic acid downregulates elevated blood sugar and pro-inflammatory cytokines in streptozotocin (STZ)-nicotinamide induced type 2 diabetic rats. Life Sci 2022; 289:120232. [PMID: 34919901 DOI: 10.1016/j.lfs.2021.120232] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/09/2021] [Accepted: 12/08/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) is a worldwide health issue primarily due to failure of pancreatic β-cells to release sufficient insulin. PURPOSE The present work aimed to assess the antidiabetic potential of arjunolic acid (AA) isolated from Terminalia arjuna in type 2 diabetic rats. STUDY DESIGN After extraction, isolation and purification, AA was orally administered to type 2 diabetic Sprague Dawley rats to investigate antidiabetic effect of AA. METHOD T2DM was induced via single intraperitoneal injection of streptozotocin-nicotinamide (STZ-NIC) in adult male rats. After 10 days, fasting and random blood glucose (FBG and RBG), body weight (BW), food and water intake, serum C-peptide, insulin and glycated hemoglobin (HbA1c) was measured to confirm T2DM development. Dose dependent effects of orally administered AA (25 and 50 mg/kg/day) for 4 weeks was investigated by measuring BW variation, fasting and postprandial hyperglycemia, oral glucose tolerance test (OGTT), and levels of serum HbA1c, serum total cholesterol (TC), triglyceride (TG), low density lipoprotein (LDL), high density lipoprotein (HDL), serum and pancreatic C-peptide, insulin, growth differentiation factor 15 (GDF-15), serum and pancreatic inflammatory cytokines. RESULTS The oral administration of AA in preclinical model of T2DM significantly normalized FBG and RBG, restored BW, controlled polyphagia, polydipsia and glucose tolerance. In addition, AA notably reduced serum HbA1c, TC, TG, LDL with non-significant increase in HDL. On the other hand, significant increase in serum and pancreatic C-peptide and insulin was observed with AA treatment, while serum and pancreatic GDF-15 were non-significantly altered in AA treated diabetic rats. Moreover, AA showed dose dependent reduction in serum and pancreatic proinflammatory cytokines including TNF-α, IL-1β and IL-6. CONCLUSION For the first time our findings highlighted AA as a potential candidate in type 2 diabetic conditions.
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Affiliation(s)
- Khurram Aamir
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia; Akhtar Saeed College of Pharmacy, Canal Campus, Lahore, Pakistan
| | - Hidayat Ullah Khan
- School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selengor, Malaysia
| | - Chowdhury Faiz Hossain
- Department of Pharmacy, Faculty of Sciences and Engineering, East West University, Dhaka 1212, Bangladesh
| | - Mst Rejina Afrin
- Department of Pharmacy, Faculty of Sciences and Engineering, East West University, Dhaka 1212, Bangladesh
| | | | - Imran Waheed
- Akhtar Saeed College of Pharmacy, Canal Campus, Lahore, Pakistan
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Aditya Arya
- School of BioSciences, University of Melbourne, Parkville, VIC, Australia; Department of Pharmacology and Therapeutics, School of Medicine, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia.
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Sarmah S, Roy AS. A review on prevention of glycation of proteins: Potential therapeutic substances to mitigate the severity of diabetes complications. Int J Biol Macromol 2022; 195:565-588. [DOI: 10.1016/j.ijbiomac.2021.12.041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/03/2021] [Accepted: 12/05/2021] [Indexed: 12/21/2022]
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Yousefian M, Hosseinzadeh H, Hayes AW, Hadizadeh F, Karimi G. The Protective Effect of Natural Compounds on Doxorubicin-Induced Cardiotoxicity via Nicotinamide Adenine Dinucleotide Phosphate Oxidase Inhibition. J Pharm Pharmacol 2021; 74:351-359. [PMID: 34562089 DOI: 10.1093/jpp/rgab109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 07/12/2021] [Indexed: 01/11/2023]
Abstract
OBJECTIVES Doxorubicin (DOX) is widely prescribed for the treatment of several human cancers. Unfortunately, cumulative doses of DOX are the main cause of myocardial dysfunction. Although preclinical and pharmaceutical studies were performed to investigate the potential of natural compounds in minimizing DOX toxicity, a comprehensive review of them is not available. This review can help the researchers for an effective search strategy. KEY FINDINGS Oxidative stress and p53 play an important role in DOX-associated cardiotoxicity. DOX activates nicotinamide adenine dinucleotide phosphate NADPH oxidase (NOX) in the heart, resulting in excessive reactive oxygen species that can induce cardiomyocyte apoptosis through phosphorylation of p53, DNA damage and/or mitogen-activated protein kinases-mediated cardiomyocyte apoptosis. Although a few chemical drugs with high efficacy are administered along with DOX to prevent or more likely to reduce cardiovascular toxicity, their use is often limited by additional side effects. Recently, attention has been drawn to natural compounds that prevent DOX cardiotoxicity. This review focuses on some of the natural bioactive compounds with potential therapeutic efficacy against DOX-induced cardiotoxicity (DIC). SUMMARY Some natural compounds, especially flavonols, flavonoids and proanthocyanidins, have the most protective effects against DIC by forming stable radicals and preventing the assembly of the NOX subunits.
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Affiliation(s)
- Mozhdeh Yousefian
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - A Wallace Hayes
- Center for Environmental/Occupational Risk Analysis & Management, University of South Florida, College of Public Health, Tampa, FLUSA.,Michigan State University, East Lansing, MI, USA
| | - Farzin Hadizadeh
- Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gholamreza Karimi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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21
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Hamouda HA, Mansour SM, Elyamany MF. Vitamin D Combined with Pioglitazone Mitigates Type-2 Diabetes-induced Hepatic Injury Through Targeting Inflammation, Apoptosis, and Oxidative Stress. Inflammation 2021; 45:156-171. [PMID: 34468908 DOI: 10.1007/s10753-021-01535-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 08/04/2021] [Indexed: 12/31/2022]
Abstract
Inflammation is a major pathophysiological factor in development of type-2 diabetes mellitus (T2DM). Vitamin D (VITD) plays an imperative role in modulation of several inflammatory responses. The current study aimed to investigate the possible beneficial effects of coadministration of VITD with pioglitazone (PIO), a PPAR-γ agonist, in fructose/streptozotocin (F/STZ) T2DM model in male Wistar rats. T2DM was induced by maintaining rats on 10% (w/v) fructose in drinking water for 9 weeks with an intraperitoneal injection of sub-diabetogenic dose of STZ (35 mg/kg) by the end of the fourth week. One week after STZ injection, PIO (10 mg/kg/day) alone or with VITD (500 IU/kg/day) was administered orally to diabetic rats till the end of the experiment. Blood samples were collected, livers were homogenized to determine biochemical parameters, and samples of livers were fixed in 10% formalin in saline for histological examination. Administration of PIO alone improved diabetes-induced inflammatory and oxidative states besides controlling hyperglycemia and decreasing apoptosis. Coadministration of VIT D with PIO promoted additional improvement in glycemic and lipid profiles, provided further control on diabetic-induced hepatic inflammation evident by downregulating TLR2, TLR4, and IKK-β while upregulating IκB-α expression and reducing inflammatory cytokines namely; NF-κB, TNF-α, IL-6, and IL-1β, decreasing apoptosis and oxidative stress by hampering caspase-3 and MDA contents, respectively, and improved liver histology than PIO alone. These beneficial effects of VIT D may expand its use by diabetics combined with antidiabetic drugs due to its anti-inflammatory, antioxidant, and antiapoptotic properties.
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Affiliation(s)
- Hend A Hamouda
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt. .,Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Suzan M Mansour
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.,Department of Pharmacology, Toxicology and Biochemistry, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt
| | - Mohammed F Elyamany
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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22
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Wang H, Liu S, Cui Y, Wang Y, Guo Y, Wang X, Liu J, Piao C. Hepatoprotective effects of flavonoids from common buckwheat hulls in type 2 diabetic rats and HepG2 cells. Food Sci Nutr 2021; 9:4793-4802. [PMID: 34531992 PMCID: PMC8441485 DOI: 10.1002/fsn3.2390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 05/13/2021] [Accepted: 05/17/2021] [Indexed: 11/11/2022] Open
Abstract
Flavonoids from common buckwheat hulls (BHFs) show significant antioxidant and antidiabetic potential. However, their hepatoprotective property is yet to be defined. This study aims to examine the hepatoprotective effect of BHFs in type 2 diabetes mellitus (T2DM) rats and chronic high glucose-damaged HepG2 cells. Results showed that BHF treatment significantly relieves the state of insulin resistance, thereby reducing blood glucose and improving oxidative stress in T2DM rats. It is worth mentioning that BHF treatment improved diabetes-induced liver damage disorders, manifested as the clearance of liver fat and the decline of serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities. In vitro, HepG2 cells pretreated with BHFs maintained higher superoxide dismutase (SOD), glutathione peroxidase (GSH-px), and catalase (CAT) activities than the unprotected group. In parallel, compared with the unprotected group, BHFs significantly reduced the leakage of ALT and AST in pre-protected group dose-dependently. These results indicated that BHFs had considerable antioxidant and hepatoprotective potential and could be promising to be used as nutraceuticals and dietary supplements to prevent and/or protect against liver disorders.
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Affiliation(s)
- Hai Wang
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
| | - Shuyan Liu
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
| | - Yang Cui
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
| | - Yue Wang
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
| | - Yang Guo
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
| | - Xiujuan Wang
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
| | - Junmei Liu
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
| | - Chunhong Piao
- College of Food Science and EngineeringJilin Agricultural UniversityChangchunChina
- National Engineering Laboratory for Wheat and Corn Deep ProcessingChangchunChina
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23
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Possible Synergistic Antidiabetic Effects of Quantified Artemisia judaica Extract and Glyburide in Streptozotocin-Induced Diabetic Rats via Restoration of PPAR-α mRNA Expression. BIOLOGY 2021; 10:biology10080796. [PMID: 34440028 PMCID: PMC8389674 DOI: 10.3390/biology10080796] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 08/15/2021] [Accepted: 08/16/2021] [Indexed: 01/11/2023]
Abstract
Simple Summary A considerable number of diabetic patients are in favour of using oral antidiabetic drugs in combination with certain herbs instead of using oral antidiabetic drugs alone. Artemisia judaica (AJ) is one of the herbs documented to have antidiabetic effects. This study examined the effect of using combination of A. judaica extract (AJE) and the oral hypoglycemic drug glyburide (GLB, 5 mg/kg) on diabetic rats. Fasting blood glucose (FBG), insulin levels, glycated hemoglobin (HbA1c) percentage, serum lipid profile, and oxidative stress biomarkers were estimated. The histopathological examination of the pancreas and the immunohistochemical analysis of anti-insulin, anti-glucagon, and anti-somatostatin protein expressions were also performed. The analysis of the hepatic mRNA expression of peroxisome proliferator-activated receptor α (PPAR-α) and nuclear factor erythroid 2-related factor-2 (Nrf2) genes was performed using quantitative reverse transcription-polymerase chain reaction (qRT-PCR). Combination of GLB and 500 mg/kg of AJE highly improved FBG, insulin levels, HbA1c, and lipid profile in blood when compared with GLB monotherapy. Furthermore, GLB plus 500 mg/kg of AJE combination was the most successful in restoring insulin content in the β-cells and diminished the levels of glucagon and somatostatin of the α- and δ-endocrine cells in the pancreatic islets, restoring PPAR-α and Nrf2 mRNA expression in the liver. In conclusion, these data indicate that GLB plus 500 mg/kg of AJE combination gives greater glycemic improvement than GLB monotherapy. Abstract Several members of the genus Artemisia are used in both Western and African traditional medicine for the control of diabetes. A considerable number of diabetic patients switch to using oral antidiabetic drugs in combination with certain herbs instead of using oral antidiabetic drugs alone. This study examined the effect of Artemisia judaica extract (AJE) on the antidiabetic activity of glyburide (GLB) in streptozotocin (STZ)-induced diabetes. Forty-two male Wistar rats were divided into seven equal groups. Normal rats of the first group were treated with the vehicle. The diabetic rats in the second–fifth groups received vehicle, GLB (5 mg/kg), AJE low dose (250 mg/kg), and AJE high dose (500 mg/kg), respectively. Groups sixth–seventh were treated with combinations of GLB plus the lower dose of AJE and GLB plus the higher dose of AJE, respectively. All administrations were done orally for eight weeks. Fasting blood glucose (FBG) and insulin levels, glycated hemoglobin (HbA1c) percentage, serum lipid profile, and biomarkers of oxidative stress were estimated. The histopathological examination of the pancreas and the immunohistochemical analysis of anti-insulin, anti-glucagon, and anti-somatostatin protein expressions were also performed. The analysis of the hepatic mRNA expression of PPAR-α and Nrf2 genes were performed using quantitative RT-PCR. All treatments significantly lowered FBG levels when compared with the STZ-control group with the highest percentage reduction exhibited by the GLB plus AJE high dose combination. This combination highly improved insulin levels, HbA1c, and lipid profile in blood of diabetic rats compared to GLB monotherapy. In addition, all medicaments restored insulin content in the β-cells and diminished the levels of glucagon and somatostatin of the α- and δ-endocrine cells in the pancreatic islets. Furthermore, the GLB plus AJE high dose combination was the most successful in restoring PPAR-α and Nrf2 mRNA expression in the liver. In conclusion, these data indicate that the GLB plus AJE high dose combination gives greater glycemic improvement in male Wistar rats than GLB monotherapy.
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Kuswari M, Nurkolis F, Mayulu N, Ibrahim FM, Taslim NA, Wewengkang DS, Sabrina N, Arifin GR, Mantik KEK, Bahar MR, Rifqiyati N, Rompies R, Augusta PS, Permatasari HK. Sea grapes extract improves blood glucose, total cholesterol, and PGC-1α in rats fed on cholesterol- and fat-enriched diet. F1000Res 2021; 10:718. [PMID: 35136575 PMCID: PMC8804902 DOI: 10.12688/f1000research.54952.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/22/2021] [Indexed: 09/29/2023] Open
Abstract
Background: Sea grapes or Caulerpa racemosa have a lot of phytochemical content, especially unsaturated fatty acids that are beneficial for health. This study aims to evaluate the effects of sea grapes extract on blood glucose levels, total cholesterol-, and Peroxisome proliferator-activated receptor-gamma coactivator (PGC)-1α in male Wistar rats, which were given per-oral (p.o.) cholesterol- and carbohydrates fat-enriched diets (CFED). Methods: Forty male Wistar albino rats weighing between 200 - 250 g were used for this study. Animals were randomly distributed into four groups of ten animals each. Group A served as control (received standard dry pellet diet). Rats in group B were fed on CFED for 4 weeks. Groups C and D were fed on CFED and were administered 150 and 450 mg/kg of sea grapes extract (p.o.), respectively. Results: Group C rats indicated a blood glucose reduction and an increase in PGC-1α serum, in comparison to group D (p<0.05). There were no significant differences between group C and D in blood cholesterol reduction (high dose of the extract did not have significant effects) (p=0.222), and both groups had the same effect in lowering total cholesterol in rats. Conclusion: Sea grapes extract is proven to improve blood glucose, total cholesterol, and PGC-1α levels in rats fed with CFED.
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Affiliation(s)
- Mury Kuswari
- Nutrition, Universitas Esa Unggul, Jakarta, Jakarta, 11510, Indonesia
| | - Fahrul Nurkolis
- Biological Sciences, State Islamic University of Sunan Kalijaga (UIN Sunan Kalijaga Yogyakarta), Yogyakarta, Yogyakarta, 55281, Indonesia
| | - Nelly Mayulu
- Nutrition, Sam Ratulangi University, Manado, North Sulawesi, 95115, Indonesia
| | - Faisal Maulana Ibrahim
- Pharmaceutical Analysis and Medicinal Chemistry, Universitas Padjajaran, Sumedang, West Java, 45363, Indonesia
| | | | | | - Nindy Sabrina
- Nutrition, Sahid University of Jakarta, South Jakarta, Jakarta, 12870, Indonesia
| | | | | | | | - Najda Rifqiyati
- Biological Sciences, State Islamic University of Sunan Kalijaga (UIN Sunan Kalijaga Yogyakarta), Yogyakarta, Yogyakarta, 55281, Indonesia
| | - Ronald Rompies
- Pediatrics, Sam Ratulangi University, Manado, North Sulawesi, 95115, Indonesia
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25
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Kuswari M, Nurkolis F, Mayulu N, Ibrahim FM, Taslim NA, Wewengkang DS, Sabrina N, Arifin GR, Mantik KEK, Bahar MR, Rifqiyati N, Rompies R, Augusta PS, Permatasari HK. Sea grapes extract improves blood glucose, total cholesterol, and PGC-1α in rats fed on cholesterol- and fat-enriched diet. F1000Res 2021; 10:718. [PMID: 35136575 PMCID: PMC8804902 DOI: 10.12688/f1000research.54952.2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/07/2021] [Indexed: 01/02/2023] Open
Abstract
Background: Sea grapes or Caulerpa racemosa have a lot of phytochemical content, especially unsaturated fatty acids that are beneficial for health. This study aims to evaluate the effects of sea grapes extract on blood glucose levels, total cholesterol-, and Peroxisome proliferator-activated receptor-gamma coactivator (PGC)-1α in male Wistar rats, which were given per-oral (p.o.) cholesterol- and carbohydrates fat-enriched diets (CFED). Methods: Forty male Wistar albino rats weighing between 200 - 250 g were used for this study. Animals were randomly distributed into four groups of ten animals each. Group A served as control (received standard dry pellet diet). Rats in group B were fed on CFED for 4 weeks. Groups C and D were fed on CFED and were administered 150 and 450 mg/kg of sea grapes extract (p.o.), respectively. Results: Group C rats indicated a blood glucose reduction and an increase in PGC-1α serum, in comparison to group D (p<0.05). There were no significant differences between group C and D in blood cholesterol reduction (high dose of the extract did not have significant effects) (p=0.222), and both groups had the same effect in lowering total cholesterol in rats. Conclusion: Sea grapes extract is proven to improve blood glucose, total cholesterol, and PGC-1α levels in rats fed with CFED.
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Affiliation(s)
- Mury Kuswari
- Nutrition, Universitas Esa Unggul, Jakarta, Jakarta, 11510, Indonesia
| | - Fahrul Nurkolis
- Biological Sciences, State Islamic University of Sunan Kalijaga (UIN Sunan Kalijaga Yogyakarta), Yogyakarta, Yogyakarta, 55281, Indonesia
| | - Nelly Mayulu
- Nutrition, Sam Ratulangi University, Manado, North Sulawesi, 95115, Indonesia
| | - Faisal Maulana Ibrahim
- Pharmaceutical Analysis and Medicinal Chemistry, Universitas Padjajaran, Sumedang, West Java, 45363, Indonesia
| | | | | | - Nindy Sabrina
- Nutrition, Sahid University of Jakarta, South Jakarta, Jakarta, 12870, Indonesia
| | | | | | | | - Najda Rifqiyati
- Biological Sciences, State Islamic University of Sunan Kalijaga (UIN Sunan Kalijaga Yogyakarta), Yogyakarta, Yogyakarta, 55281, Indonesia
| | - Ronald Rompies
- Pediatrics, Sam Ratulangi University, Manado, North Sulawesi, 95115, Indonesia
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26
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The role of microneedle arrays in drug delivery and patient monitoring to prevent diabetes induced fibrosis. Adv Drug Deliv Rev 2021; 175:113825. [PMID: 34111467 DOI: 10.1016/j.addr.2021.06.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 05/05/2021] [Accepted: 06/04/2021] [Indexed: 02/07/2023]
Abstract
Diabetes affects approximately 450 million adults globally. If not effectively managed, chronic hyperglycaemia causes tissue damage that can develop into fibrosis. Fibrosis leads to end-organ complications, failure of organ systems occurs, which can ultimately cause death. One strategy to tackle end-organ complications is to maintain normoglycaemia. Conventionally, insulin is administered subcutaneously. Whilst effective, this delivery route shows several limitations, including pain. The transdermal route is a favourable alternative. Microneedle (MN) arrays are minimally invasive and painless devices that can enhance transdermal drug delivery. Convincing evidence is provided on MN-mediated insulin delivery. MN arrays can also be used as a diagnostic tool and monitor glucose levels. Furthermore, sophisticated MN array-based systems that integrate glucose monitoring and drug delivery into a single device have been designed. Therefore, MN technology has potential to revolutionise diabetes management. This review describes the current applications of MN technology for diabetes management and how these could prevent diabetes induced fibrosis.
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27
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Aktaş İ, Mehmet Gür F. Hepato-protective effects of thymoquinone and beta-aminoisobutyric acid in streptozocin induced diabetic rats. Biotech Histochem 2021; 97:67-76. [PMID: 34281431 DOI: 10.1080/10520295.2021.1949041] [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: 10/20/2022] Open
Abstract
We investigated the hepato-protective effects of thymoquinone (TQ) and beta-aminoisobutyric acid (BAIBA). We used five groups of 8-week-old male rats: untreated control group, streptozotocin (STZ) diabetic group, STZ + TQ group, STZ + BAIBA group, and STZ + TQ + BAIBA group. After experimental diabetes mellitus (DM) was established using STZ, TQ was given to the STZ + TQ group, BAIBA to the STZ + BAIBA group, and TQ and BAIBA to the STZ + TQ + BAIBA group. In the STZ group, body weight, relative liver weight, and glutathione, blood albumin and insulin levels were decreased compared to the control. Also, water and food consumption, tumor necrosis factor-α expression, malondialdehyde, blood glucose, alanine aminotransferase, aspartate aminotransferase and gamma glutamyl transferase levels were increased the STZ group compared to the control group. In the STZ group, sinusoid congestion and dilation, monocyte and lymphocyte infiltration and microvesicular steatosis were observed in the liver tissue. Pathological changes caused by DM were reduced significantly in the STZ + TQ, STZ + BAIBA and STZ + TQ + BAIBA groups. The protective effect of BAIBA was greater than for TQ; the greatest protective effect was observed following combined use of TQ + BAIBA. We suggest that our findings for the STZ + TQ, STZ + BAIBA and STZ + TQ + BAIBA groups were due to the antioxidant effects of TQ and BAIBA. TQ and BAIBA appear to be potential therapeutic agents for ameliorating hepatic damage due to DM.
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Affiliation(s)
- İbrahim Aktaş
- Department of Pharmacology, Vocational School of Health Services, Adiyaman University, Adiyaman, Turkey
| | - Fatih Mehmet Gür
- Department of Histology and Embryology, Faculty of Medicine, Niğde Ömer Halisdemir University, Niğde, Turkey
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28
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Shahriar SMS, An JM, Hasan MN, Surwase SS, Kim YC, Lee DY, Cho S, Lee YK. Plasmid DNA Nanoparticles for Nonviral Oral Gene Therapy. NANO LETTERS 2021; 21:4666-4675. [PMID: 34029475 DOI: 10.1021/acs.nanolett.1c00832] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Herein, a bile acid-inspired triple padlock oral gene delivery platform is developed, facilitating the protection of the therapeutic gene from gastrointestinal degradation, selective intestinal accumulation through a bile acid-specific transporter, and transportation of pDNA NPs through the enterohepatic recycling system. This nonviral oral gene delivery nanoparticle exhibits excellent gene expression kinetics in in vitro, in vivo, and ex vivo studies. A single oral dose leads to maintaining normoglycemia for up to 7 days in three different diabetes mouse models and 14 days in diabetic monkeys. Also, the optimized dosage form can reduce nonfast blood glucose levels and hemoglobin A1C within a normal range from the last stage diabetes conditions with a reduction of weight gain from changes of food uptake behavior after treatment once weekly for 20 weeks. Taken together, the current findings could improve the current painful treatment experience of diabetics and thus improve their quality of life.
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Affiliation(s)
- S M Shatil Shahriar
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju-27469, Republic of Korea
- KB Biomed Inc., Chungju 27469, Republic of Korea
| | - Jeong Man An
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju-27469, Republic of Korea
- KB Biomed Inc., Chungju 27469, Republic of Korea
- Department of Bioengineering, College of Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Mohammad Nazmul Hasan
- Department of Green BioEngineering, Korea National University of Transportation, Chungju-27469, Republic of Korea
| | - Sachin S Surwase
- Department of Chemical & Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon-34141, Republic of Korea
| | - Yeu-Chun Kim
- Department of Chemical & Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon-34141, Republic of Korea
| | - Dong Yun Lee
- Department of Bioengineering, College of Engineering, and BK21 PLUS Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, Seoul 04763, Republic of Korea
- Institute of Nano Science and Technology (INST), Hanyang University, Seoul 04763, Republic of Korea
| | - Sungpil Cho
- 4D Biomaterials Center, Korea National University of Transportation, Jeungpyeong 27909, Republic of Korea
| | - Yong-Kyu Lee
- Department of Chemical and Biological Engineering, Korea National University of Transportation, Chungju-27469, Republic of Korea
- KB Biomed Inc., Chungju 27469, Republic of Korea
- Department of Green BioEngineering, Korea National University of Transportation, Chungju-27469, Republic of Korea
- 4D Biomaterials Center, Korea National University of Transportation, Jeungpyeong 27909, Republic of Korea
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29
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Álvarez-Mercado AI, Rojano-Alfonso C, Micó-Carnero M, Caballeria-Casals A, Peralta C, Casillas-Ramírez A. New Insights Into the Role of Autophagy in Liver Surgery in the Setting of Metabolic Syndrome and Related Diseases. Front Cell Dev Biol 2021; 9:670273. [PMID: 34141709 PMCID: PMC8204012 DOI: 10.3389/fcell.2021.670273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 04/23/2021] [Indexed: 01/18/2023] Open
Abstract
Visceral obesity is an important component of metabolic syndrome, a cluster of diseases that also includes diabetes and insulin resistance. A combination of these metabolic disorders damages liver function, which manifests as non-alcoholic fatty liver disease (NAFLD). NAFLD is a common cause of abnormal liver function, and numerous studies have established the enormously deleterious role of hepatic steatosis in ischemia-reperfusion (I/R) injury that inevitably occurs in both liver resection and transplantation. Thus, steatotic livers exhibit a higher frequency of post-surgical complications after hepatectomy, and using liver grafts from donors with NAFLD is associated with an increased risk of post-surgical morbidity and mortality in the recipient. Diabetes, another MetS-related metabolic disorder, also worsens hepatic I/R injury, and similar to NAFLD, diabetes is associated with a poor prognosis after liver surgery. Due to the large increase in the prevalence of MetS, NAFLD, and diabetes, their association is frequent in the population and therefore, in patients requiring liver resection and in potential liver graft donors. This scenario requires advancement in therapies to improve postoperative results in patients suffering from metabolic diseases and undergoing liver surgery; and in this sense, the bases for designing therapeutic strategies are in-depth knowledge about the molecular signaling pathways underlying the effects of MetS-related diseases and I/R injury on liver tissue. A common denominator in all these diseases is autophagy. In fact, in the context of obesity, autophagy is profoundly diminished in hepatocytes and alters mitochondrial functions in the liver. In insulin resistance conditions, there is a suppression of autophagy in the liver, which is associated with the accumulation of lipids, being this is a risk factor for NAFLD. Also, oxidative stress occurring in hepatic I/R injury promotes autophagy. The present review aims to shed some light on the role of autophagy in livers undergoing surgery and also suffering from metabolic diseases, which may lead to the discovery of effective therapeutic targets that could be translated from laboratory to clinical practice, to improve postoperative results of liver surgeries when performed in the presence of one or more metabolic diseases.
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Affiliation(s)
- Ana Isabel Álvarez-Mercado
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, Granada, Spain.,Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Parque Tecnológico Ciencias de la Salud, Granada, Spain.,Instituto de Investigación Biosanitaria ibs. GRANADA, Complejo Hospitalario Universitario de Granada, Granada, Spain
| | - Carlos Rojano-Alfonso
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Marc Micó-Carnero
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | | | - Carmen Peralta
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Araní Casillas-Ramírez
- Hospital Regional de Alta Especialidad de Ciudad Victoria "Bicentenario 2010", Ciudad Victoria, Mexico.,Facultad de Medicina e Ingeniería en Sistemas Computacionales de Matamoros, Universidad Autónoma de Tamaulipas, Matamoros, Mexico
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30
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Lima Júnior JPD, Franco RR, Saraiva AL, Moraes IB, Espindola FS. Anacardium humile St. Hil as a novel source of antioxidant, antiglycation and α-amylase inhibitors molecules with potential for management of oxidative stress and diabetes. JOURNAL OF ETHNOPHARMACOLOGY 2021; 268:113667. [PMID: 33301920 DOI: 10.1016/j.jep.2020.113667] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The substantial increase in diabetes cases worldwide has been a major public health problem, and the use of medicinal plants can be considered an interesting alternative to control the disease and its complications. Anacardium humile St. Hill. (Anacardiaceae) is a typical plant from the Brazilian savanna, popularly known for its antidiarrheal, expectorant, antidiabetic and anti-inflammatory properties, however, few studies have fully described its biological properties. This study aimed to investigate in vitro and ex vivo the antioxidant and antiglycation potential of A. humile ethanolic extract, its organic fractions and three isolated molecules (quercetin, catechin and gallic acid), their capacity to inhibit the glycolytic enzyme α-amylase, as well as their cytotoxic effects against RAW264.7 macrophages. MATERIAL AND METHODS The ethanolic extract of A. humile, its organic fractions and three isolated molecules (catechin, quercetin and gallic acid) were tested for their antioxidant (ORAC, FRAP and DPPH) and antiglycation (BSA/Fructose, BSA/Methylglyoxal, Arginine/Methylglyoxal and Lysine/Methylglyoxal) capacities, and also for its potential to inhibit the enzyme α-amylase. Additionally, bioactive compounds present in the A. humile leaves fractions were elucidated by an HPLC-ESIMS/MS analysis. RESULTS The analysis showed relevant antioxidant activity of DCM (1264.85 ± 76.90 μM Trolox eq/g ORAC; 216.71 ± 1.04 μM Trolox eq/g FRAP and 3.03 ± 0.08 IC50 μg/mL IC50 DPPH) and EtOAc (1300.11 ± 33.04 ORAC, 236.21 ± 23.86 FRAP and 3.03 ± 0.14 μg/mL IC50 DPPH) fractions and also of the isolated molecules, mainly gallic acid (1291.19 ± 8.41 μM Trolox eq/g ORAC, 1103.52 ± 31.48 μM Trolox eq/g FRAP and 0.78 ± 0.11 μg/mL IC50 DPPH). Concerning the antiglycation activity, all samples inhibited over 88% in the BSA-FRU method. In the BSA-MGO and ARG-MGO methods, the Hex, DCM, EtOAc fractions and the isolated molecule catechin stood out. However, in the LYS-MGO model, only the isolated molecules showed significant results. In α-amylase assay, all fractions, for exception Hex, presented notable inhibition capacity with low IC50 values, especially DCM, EtOAc, ButOH and H2O (IC50 0.56 ± 0.10, 0.84 ± 0.01, 0.74 ± 0.03 and 0.79 ± 0.06 μg/mL, respectively). Tests using hepatic tissue showed a notorious capacity of the DCM, AcOEt and ButOH fractions, as well as of the isolated molecules to inhibit lipid peroxidation and ROS production, and also to preserve thiol groups. Molecules of great antioxidant potential were found in our samples, such as kaempferol, quercetin, catechin, gallic acid and luteolin. CONCLUSION A. humile extract and its organic fractions showed promising antioxidant and antiglycation potential and a prominent capacity to inhibit the α-amylase enzyme. Hence, this study presents new results and stimulates further research to elucidate the biological properties of A. humile and its capacity to manage DM and its complications.
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Affiliation(s)
- Joed Pires de Lima Júnior
- Graduate Program in Cell Biology, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia, MG, Brazil
| | - Rodrigo Rodrigues Franco
- Institute of Biotechnology (IBTEC), Federal University of Uberlândia (UFU), Uberlândia, MG, Brazil
| | - André Lopes Saraiva
- Institute of Biotechnology (IBTEC), Federal University of Uberlândia (UFU), Uberlândia, MG, Brazil
| | - Izabela Barbosa Moraes
- Center of Biological Sciences and Health (CCBS), Federal University of Oeste da Bahia (UFOB), Barreiras, BA, Brazil
| | - Foued Salmen Espindola
- Graduate Program in Cell Biology, Institute of Biomedical Science (ICBIM), Federal University of Uberlândia (UFU), Uberlândia, MG, Brazil; Institute of Biotechnology (IBTEC), Federal University of Uberlândia (UFU), Uberlândia, MG, Brazil.
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31
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Saeedan AS, Soliman GA, Abdel-Rahman RF, Abd-Elsalam RM, Ogaly HA, Foudah AI, Abdel-Kader MS. Artemisia judaica L. diminishes diabetes-induced reproductive dysfunction in male rats via activation of Nrf2/HO-1-mediated antioxidant responses. Saudi J Biol Sci 2021; 28:1713-1722. [PMID: 33732055 PMCID: PMC7938120 DOI: 10.1016/j.sjbs.2020.12.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 11/22/2020] [Accepted: 12/08/2020] [Indexed: 12/12/2022] Open
Abstract
Diabetes mellitus is a well-known danger element for the progression of male reproductive dysfunctions. Available evidence supports oxidative stress to be the underlying mechanism for the manifestation of testicular dysfunctions during diabetes, and this relation represents an attractive target to antagonize these complications. Artemisia judaica L. is known to have antidiabetic and antioxidant characteristics. The possible protective effect of Artemisia judaica against diabetes-induced testicular disorders was not explored. In this investigation, we planned to estimate the possible protective effect of Artemisia judaica extract against diabetes-induced testicular disorders in male rats. The blood levels of insulin, glucose, glycosylated hemoglobin, testosterone, luteinizing hormone and follicle stimulating hormone were evaluated in rats after 12 weeks of Artemisia judaica treatment. Further, oxidative stress markers were determined in their testicular tissue. Epididymal fluid and testicular histological changes were also assessed. Expression of proliferating cell nuclear antigen has been evaluated in testis. Testicular mRNA expression of nuclear factor erythroid 2-related factor 2 and heme oxygenase-1 as the significant transcription factors in controlling antioxidant system were evaluated by real-time polymerase chain reaction. Artemisia judaica extracts have the ability to ameliorate the elevation in the serum glucose and blood glycosylated hemoglobin and the reduction in insulin, testosterone, follicle stimulating hormone and luteinizing hormone caused by streptozotocin-induced diabetes. It induced a significant recovery of the testicular oxidative stress markers, sperm characteristics and improved histopathological findings of the testes. Treatment with Artemisia judaica extracts led to an increase in proliferating cell nuclear antigen protein expression. Reduction of testicular oxidative stress potential in streptozotocin-treated groups was confirmed by upregulation of nuclear factor erythroid 2-related factor 2 and heme oxygenase-1.
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Key Words
- AJ, Artemisia judaica L.
- Artemisia judaica
- CAT, Catalase
- DC, Diabetic control
- Diabetes
- EDTA, Ethylenediamine tetraacetic acid
- ELISA, ELISA: Enzyme-linked immunosorbent assay
- FBG, Fasting blood glucose
- FSH, Follicle stimulating hormone
- Fertility
- GSH, Reduced glutathione
- GSH-Px, Glutathione peroxidase
- H&E, Hematoxylin and eosin
- HO-1
- HO-1, Heme oxygenase-1
- HPTLC, High-performance thin layer chromatography
- HbA1c, Glycosylated hemoglobin
- LH, Luteinizing hormone
- LPO, Lipid peroxidation
- MDA, Malondialdehyde
- NC, Negative control
- Nrf2
- Nrf2, Nuclear factor erythroid 2-related factor 2
- PCNA, Proliferating cell nuclear antigen
- ROS, Reactive oxygen species
- RT-PCR, Real time polymerase chain reaction
- SOD, Superoxide dismutase
- STZ, Streptozotocin
- TST, Testosterone
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Affiliation(s)
- Abdulaziz S. Saeedan
- Department of Pharmacology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Gamal A. Soliman
- Department of Pharmacology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- Department of Pharmacology, College of Veterinary Medicine, Cairo University, Egypt
| | | | - Reham M. Abd-Elsalam
- Department of Pathology, College of Veterinary Medicine, Cairo University, Egypt
| | - Hanan A. Ogaly
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
- Department of Biochemistry, College of Veterinary Medicine, Cairo University, Egypt
| | - Ahmed I. Foudah
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Maged S. Abdel-Kader
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- Department of Pharmacognosy, College of Pharmacy, Alexandria University, Alexandria 21215, Egypt
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32
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Şahin İO. How curcumin affects hyperglycemia-induced optic nerve damage: A short review. J Chem Neuroanat 2021; 113:101932. [PMID: 33581265 DOI: 10.1016/j.jchemneu.2021.101932] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/30/2021] [Accepted: 02/03/2021] [Indexed: 11/19/2022]
Abstract
Considered to be one of the most important non-contagious systemic diseases worldwide, diabetes mellitus is still a topical issue on the health agenda with the problems it causes. Exposure to long-term hyperglycemia causes diabetic complications (diabetic neuropathy, nephropathy and retinopathy). The optic nerve can suffer damage by both diabetic retinopathy and neuropathy during diabetes, both because it is formed by axons of retinal ganglion cells and these axons belong to the central nervous system. The issue of hyperglycemia on the optic nerve have been described as diabetic papillopathy, posterior ischemic optic neuropathy, nonarteritic anterior ischemic optic neuropathy and optic atrophy in clinical studies. Experimental studies indicated axon-myelin degeneration in addition to microvascular and ultrastructural changes caused by the hyperglycemia-induced optic nerve damage. Although there are several proposed biochemical mechanisms to cause these damages, oxidative stress emerges as an important factor among them. Oxidative stress leads to pathological state on the nerve cells by affecting the DNA, protein and lipids at different levels. These are causing deterioration on nerve conduction velocity, myelin sheath and nerve structure, neurotrophic support system, glial cells and nerve function. Curcumin, as an important antioxidant, can be an ideal prophylactic agent to eliminate damages on optic nerve. Curcumin helps to regulate the balance of antioxidant and reactive oxygen species by targeting various molecules (NF-κB, STAT3, MAPK, Mfn2, Nrf2, pro-inflammatory cytokines). In addition, it shows healing or preventive effects on myelin sheath damage via regulating ferritin protein in oligodendrocytes. It is also effective in preventing neurovascular damage.
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Affiliation(s)
- İzem Olcay Şahin
- Department of Histology and Embryology, Medical School, Ondokuz Mayis University, 55139 Samsun, Turkey.
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33
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Sherif IO. Hepatoprotective effect of arjunolic acid against cisplatin-induced hepatotoxicity: Targeting oxidative stress, inflammation, and apoptosis. J Biochem Mol Toxicol 2021; 35:e22714. [PMID: 33491850 DOI: 10.1002/jbt.22714] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/27/2020] [Accepted: 01/08/2021] [Indexed: 12/20/2022]
Abstract
Minimizing the adverse effects of chemotherapeutic agents remains a therapeutic challenge. Cisplatin (CP) induces hepatotoxicity through activation of oxidative stress, inflammation, and apoptosis cascades which is considered a significant drawback. Thus, this study aimed to highlight the possible hepatoprotective role of arjunolic acid (Arj) in a rat model of CP-induced hepatotoxicity. Four groups of rats were included; the normal control group, Arj control group, CP group which was injected with 7.5 mg/kg CP intraperitoneally to induce hepatotoxicity, and the treated group (Arj + CP), which was orally administered 20 mg/kg Arj for 10 days with a CP hepatotoxic dose on day 5. Blood and liver tissues were assembled for analysis at the end of the study. Pretreatment with Arj exhibited a marked improvement in liver function as well as histopathology when compared with the CP group. Moreover, Arj suppressed the oxidative stress in hepatic tissue by significantly decreasing malondialdehyde and nitric oxide contents along with markedly elevating the levels of superoxide dismutase, catalase, and reduced glutathione when compared with CP injected rats. Attenuation of hepatic inflammation and apoptosis was also reported with Arj treatment through the marked reduction in the proinflammatory cytokine tumor necrosis factor α level as well as the apoptotic marker caspase-3 protein expression in comparison to the CP group. This study explored for the first time the Arj hepatoprotective effect against CP-induced hepatotoxicity through its antioxidant, anti-inflammatory, and antiapoptotic activities.
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Affiliation(s)
- Iman O Sherif
- Emergency Hospital, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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34
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Yang Y, Zhang JL, Zhou Q. Targets and mechanisms of dietary anthocyanins to combat hyperglycemia and hyperuricemia: a comprehensive review. Crit Rev Food Sci Nutr 2020; 62:1119-1143. [PMID: 33078617 DOI: 10.1080/10408398.2020.1835819] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Hyperglycemia and hyperuricemia are both metabolic disorders related to excessive amount of metabolites in blood, which are considered as high risk factors for the development of many chronic diseases. Enzymes, cells, tissues and organs, which are relevant to metabolism and excretion of glucose and UA, are usually regarded to be the targets in treatment of hyperglycemia and hyperuricemia. Several drugs have been commonly applied to combat hyperglycemia and hyperuricemia through various targets but with unignorable side effects. Anthocyanins have become promising alternatives against hyperglycemia and hyperuricemia because of their bio-activities with little side effects. Structurally different anthocyanins from berry fruits, cherries and purple sweet potato lead to the diverse functional activity and property. This review is aimed to illustrate the specific targets that are available for anthocyanins from berry fruits, cherries and purple sweet potato in hyperglycemia and hyperuricemia management, as well as discuss the structure-activity relationship, and the underlying mechanisms associated with intracellular signaling pathway, anti-oxidative stress and anti-inflammation. In addition, the relationship of hyperglycemia and hyperuricemia, and the possibly regulative role of anthocyanins against them, along with the effects of anthocyanins in clinical trial are mentioned.
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Affiliation(s)
- Yang Yang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Jiu-Liang Zhang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China.,Ministry of Education, Key Laboratory of Environment Correlative Dietology, Wuhan, China
| | - Qing Zhou
- Department of Pharmacy, Wuhan City Central Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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35
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Qudus B Aroyehun A, Abdul Razak S, Palaniveloo K, Nagappan T, Suraiza Nabila Rahmah N, Wee Jin G, Chellappan DK, Chellian J, Kunnath AP. Bioprospecting Cultivated Tropical Green Algae, Caulerpa racemosa (Forsskal) J. Agardh: A Perspective on Nutritional Properties, Antioxidative Capacity and Anti-Diabetic Potential. Foods 2020; 9:E1313. [PMID: 32961907 PMCID: PMC7555259 DOI: 10.3390/foods9091313] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 09/04/2020] [Accepted: 09/12/2020] [Indexed: 12/18/2022] Open
Abstract
Caulerpa racemosa (Forsskal) J. Agardh is a green seaweed used as food and folk medicine since ancient times in the Indo-Pacific region, particularly in southeast Asia. In this study, the proximate nutrient composition, phytochemical, anti-oxidant and anti-diabetic properties of sea grape C. racemosa collected from culture fishponds in Johor, Malaysia were analysed. The contents (dry weight basis) of carbohydrate, crude protein, crude lipids, ash and caloric value obtained were 33.42 ± 1.34%, 20.27 ± 0.14%, 4.20 ± 0.32%, 28.25 ± 0.27% and 2544.67 ± 7.04 cal g-1, respectively. The amino acid score (AAs) and biological protein value (213.43 mg g-1) indicated that C. racemosa presented a better protein quality. The most abundant fatty acids were C16:0 (palmitic acid: 63.27%), followed by C18:1 (oleic acid: 5.80%), and C18:2 ῳ6 (linoleic acid: 5.33%). The analysis of the ash content indicated that essential minerals and trace elements, such as Ca, Fe, and Mn, were present in the seaweed. The total phenolic content (TPC) and total flavonoid content (TFC) observed in the ethyl acetate extract were 17.88 ± 0.78 mg GAE g-1 and 59.43 ± 2.45 mg QE g-1, respectively. The ethyl acetate extract of C. racemosa demonstrated notable anti-diabetic activity in diabetic induced rats. The low (100 mg kg-1) and high (200 mg kg-1) doses of cultivated C. racemosa extract exhibited a significant decrease (p < 0.05) in blood glucose levels while preventing weight loss, reducing plasma AST, ALT levels as a sign of hepatoprotective effect and recording albumin levels similar to positive control in diabetic induced rats. The results support the usefulness of cultivated C. racemosa as a potential functional food.
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Affiliation(s)
- Abdul Qudus B Aroyehun
- Nutrition and Dietetics Program, School of Health Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia;
| | - Shariza Abdul Razak
- Nutrition and Dietetics Program, School of Health Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia;
| | - Kishneth Palaniveloo
- Institute of Ocean and Earth Sciences, Institute for Advanced Studies Building, University of Malaya, Wilayah Persekutuan, Kuala Lumpur 50603, Malaysia
| | - Thilahgavani Nagappan
- Faculty of Marine and Environmental Sciences, Universiti Malaysia Terengganu, Kuala Terengganu 21030, Terengganu, Malaysia
- Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Kuala Terengganu 21030, Terengganu, Malaysia
| | - Nur Suraiza Nabila Rahmah
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (N.S.N.R.); (G.W.J.)
| | - Gan Wee Jin
- School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (N.S.N.R.); (G.W.J.)
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (D.K.C.); (J.C.)
| | - Jestin Chellian
- Department of Life Sciences, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia; (D.K.C.); (J.C.)
| | - Anil Philip Kunnath
- Division of Applied Biomedical Science and Biotechnology, School of Health Sciences, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia;
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36
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Nopparat J, Nualla-Ong A, Phongdara A. Treatment with Pluchea indica (L.) Less. leaf ethanol extract alleviates liver injury in multiple low-dose streptozotocin-induced diabetic BALB/c mice. Exp Ther Med 2020; 20:1385-1396. [PMID: 32742373 PMCID: PMC7388285 DOI: 10.3892/etm.2020.8877] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 04/06/2020] [Indexed: 01/03/2023] Open
Abstract
Hyperglycemia-induced oxidative stress and inflammation are hallmarks of liver damage in diabetes mellitus. Accumulating evidence has demonstrated that Pluchea indica leaf ethanol extract (PILE) possesses strong antioxidant and anti-inflammatory properties. However, studies of its effects on liver damage in streptozotocin (STZ)-induced diabetic animals remain insufficient. To the best of our knowledge, the present study was the first to illustrate that PILE mitigated liver injury in STZ animals. Mice were first pretreated with PILE at either 50 mg/kg (PILE 50) or 100 mg/kg (PILE 100) 2 weeks prior to the induction of hyperglycemia by multiple low doses of STZ. The mice were then fed with PILE 50 or PILE 100 for 4 or 8 weeks, following which liver weight, pathological changes, oxidative stress parameters, inflammation-related markers and caspase-mediated apoptosis were measured at each time point. Untreated STZ mice exhibited abnormal increases in liver weight and severe pathological changes. However, PILE 100 reduced the severity of the STZ-induced diabetic phenotype at both time points. A significant decrease in the levels of superoxide dismutase and catalase, in addition to an increase in malondialdehyde, were observed in the livers of untreated STZ mice, all of which were significantly reversed by treatment with PILE 100 for 8 weeks. Western blot analysis revealed reduced levels of liver inflammatory markers, including interleukin-6, tumor necrosis factor-α, NF-κB p65, transforming growth factor-β1 and protein kinase C following PILE 100 treatment. Additionally, changes in the levels of apoptotic markers indicated that PILE 100 significantly attenuated caspase-9 and -3 expression, whilst preserving that of the Bcl-2 protein. In conclusion, the present study revealed that PILE alleviates hyperglycemia-induced liver injury by normalizing the various mediators of oxidative stress, inflammation and apoptosis.
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Affiliation(s)
- Jongdee Nopparat
- Department of Anatomy, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Aekkaraj Nualla-Ong
- Center for Genomics and Bioinformatics Research, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand.,Faculty of Medical Technology, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Amornrat Phongdara
- Center for Genomics and Bioinformatics Research, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand.,Faculty of Medical Technology, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
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37
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Khordadmehr M, Ghaderi S, Mesgari-Abbasi M, Jigari-Asl F, Nofouzi K, Tayefi-Nasrabadi H, McIntyre G. The Beneficial Effects of Actinomycetales Immune Modulators in the Pancreas of Diabetic Rats. Adv Pharm Bull 2020; 11:371-377. [PMID: 33880360 PMCID: PMC8046390 DOI: 10.34172/apb.2021.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/21/2020] [Accepted: 04/21/2020] [Indexed: 11/09/2022] Open
Abstract
Purpose: Type 1 diabetes mellitus (T1DM) has dramatically increased in recent years, especially in young people, and limits the life quality of the patients involved. Thus, many researchers are performing extensive studies to find alternative treatments for DM. Methods: Here, we evaluated the improvement effects of the heat-killed Actinomycetales species, including Gordonia bronchialis, and Tsukamurella inchonensis in streptozotocin (STZ)- diabetic rats by biochemical, immunological, and histopathological examinations. Results: The present findings exhibited a dramatic and progressive alteration in the serum levels of interleukin-6 (IL-6), IL-10 and tumor necrosis factor-α (TNF-α) in the diabetic group, which were related to the blood glucose and insulin levels, oxidative stress defense (evaluated by TAC and MDA activities), and the pancreas biochemical indicators (such as amylase and lipase). More importantly, the present results were consistent with the histopathological findings, which included cellular degeneration, vascular congestion, hemorrhage, focal necrosis associated with mononuclear cell infiltration. Interestingly, all of the diabetic changes in the blood serum and tissues improved remarkably in the treated groups by Actinomycetales species. Conclusion: Surprisingly, most of the current diabetic complications effectively attenuated after oral administration of both Actinomycetales species, particularly with a high dose of T. inchonensis. Thus, it is concluded that the heat-killed Actinomycetales species can prevent and improve the progression of T1DM and its various complications profoundly.
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Affiliation(s)
- Monireh Khordadmehr
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Solin Ghaderi
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | | | - Farinaz Jigari-Asl
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Katayoon Nofouzi
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | | | - Graham McIntyre
- Center for Infectious Diseases and International Health, Windeyer Institute for Medical Sciences, University College London, UK
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Srivastava G, Garg A, Misra RC, Chanotiya CS, Ghosh S. Transcriptome analysis and functional characterization of oxidosqualene cyclases of the arjuna triterpene saponin pathway. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 292:110382. [PMID: 32005387 DOI: 10.1016/j.plantsci.2019.110382] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 10/25/2019] [Accepted: 12/14/2019] [Indexed: 06/10/2023]
Abstract
Arjuna (Terminalia arjuna) tree has been popular in Indian traditional medicine to treat cardiovascular ailments. The tree accumulates bioactive triterpene glycosides (saponins) and aglycones (sapogenins), in a tissue-preferential manner. Oleanane triterpenes/saponins (derived from β-amyrin) with potential cardioprotective function predominantly accumulate in the bark. However, arjuna triterpene saponin pathway enzymes remain to be identified and biochemically characterized. Here, we employed a combined transcriptomics, metabolomics and biochemical approach to functionally define a suite of oxidosqualene cyclases (OSCs) that catalyzed key reactions towards triterpene scaffold diversification. De novo assembly of 131 millions Illumina NextSeq500 sequencing reads obtained from leaf and stem bark samples led to a total of 156,650 reference transcripts. Four distinct OSCs (TaOSC1-4) with 54-71 % sequence identities were identified and functionally characterized. TaOSC1, TaOSC3 and TaOSC4 were biochemically characterized as β-amyrin synthase, cycloartenol synthase and lupeol synthase, respectively. However, TaOSC2 was found to be a multifunctional OSC producing both α-amyrin and β-amyrin, but showed a preference for α-amyrin product. Both TaOSC1 and TaOSC2 produced β-amyrin, the direct precursor for oleanane triterpene/saponin biosynthesis; but, TaOSC1 transcript expressed preferentially in bark, suggesting a major role of TaOSC1 in the biosynthesis of oleanane triterpenes/saponins in bark.
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Affiliation(s)
- Gaurav Srivastava
- Biotechnology Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Anchal Garg
- Biotechnology Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Rajesh Chandra Misra
- Biotechnology Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Chandan Singh Chanotiya
- Chemical Sciences Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Sumit Ghosh
- Biotechnology Division, Council of Scientific and Industrial Research-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India.
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Islam N, Dihingia A, Khare P, Saikia BK. Atmospheric particulate matters in an Indian urban area: Health implications from potentially hazardous elements, cytotoxicity, and genotoxicity studies. JOURNAL OF HAZARDOUS MATERIALS 2020; 384:121472. [PMID: 31733994 DOI: 10.1016/j.jhazmat.2019.121472] [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: 08/15/2019] [Revised: 10/12/2019] [Accepted: 10/12/2019] [Indexed: 06/10/2023]
Abstract
The nature of the atmospheric particulate matters (PMs) varies depending on their sizes and their origin from different activities in the background environment. These PMs are associated with potentially hazardous elements (PHEs) such as organic compounds (e.g. Polyaromatic Hydrocarbons) that can be harmful to health. The main objective of this work is the identification and investigation of the toxicological aspects of PHEs in PMs during pre-monsoon and post-monsoon season in an urban area of Northeast region (NER) of India. In the course of the study, the 24 -hs average concentrations of PMs were detected to be more than two-times higher than the Indian standard limit (NAAQ, category) which indicates poor air quality in both the seasons around the sampling sites. This study demonstrates that the concentrations of PM-bound PAHs are mutagenic and that the Excess Cancer Risks exceed the USEPA standard limits. PMs cause cytotoxicity and can also induce genotoxicity to human health analyzed by cell culture and gel electrophoresis. This study helps to promote research to evaluate the PMs bound PHEs toxicity in diverse human cell lines and also their relationship with climatic factors as well as quantitative source apportionment for mitigation purposes.
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Affiliation(s)
- Nazrul Islam
- Polymer Petroleum and Coal Chemistry Group, Materials Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, 785006, Assam, India; Academy of Scientific and Innovative Research, CSIR-NEIST Campus, Jorhat, 785006, India
| | - Anjum Dihingia
- Academy of Scientific and Innovative Research, CSIR-NEIST Campus, Jorhat, 785006, India; Biotechnology Group, Biological Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, 785006, Assam, India
| | - Puja Khare
- Agronomy and Soil Science Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, Uttar Pradesh, India
| | - Binoy K Saikia
- Polymer Petroleum and Coal Chemistry Group, Materials Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, 785006, Assam, India; Academy of Scientific and Innovative Research, CSIR-NEIST Campus, Jorhat, 785006, India.
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Feng Z, Lu X, Gan L, Zhang Q, Lin L. Xanthones, A Promising Anti-Inflammatory Scaffold: Structure, Activity, and Drug Likeness Analysis. Molecules 2020; 25:E598. [PMID: 32019180 PMCID: PMC7037265 DOI: 10.3390/molecules25030598] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 01/20/2020] [Accepted: 01/22/2020] [Indexed: 12/30/2022] Open
Abstract
Inflammation is the body's self-protective response to multiple stimulus, from external harmful substances to internal danger signals released after trauma or cell dysfunction. Many diseases are considered to be related to inflammation, such as cancer, metabolic disorders, aging, and neurodegenerative diseases. Current therapeutic approaches include mainly non-steroidal anti-inflammatory drugs and glucocorticoids, which are generally of limited effectiveness and severe side-effects. Thus, it is urgent to develop novel effective anti-inflammatory therapeutic agents. Xanthones, a unique scaffold with a 9H-Xanthen-9-one core structure, widely exist in natural sources. Till now, over 250 xanthones were isolated and identified in plants from the families Gentianaceae and Hypericaceae. Many xanthones have been disclosed with anti-inflammatory properties on different models, either in vitro or in vivo. Herein, we provide a comprehensive and up-to-date review of xanthones with anti-inflammatory properties, and analyzed their drug likeness, which might be potential therapeutic agents to fight against inflammation-related diseases.
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Affiliation(s)
- Zheling Feng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China; (Z.F.); (Q.Z.)
| | - Xiuqiang Lu
- Fuqing Branch of Fujian Normal University, Fuzhou 350300, China;
| | - Lishe Gan
- College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China;
| | - Qingwen Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China; (Z.F.); (Q.Z.)
| | - Ligen Lin
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, Macau 999078, China; (Z.F.); (Q.Z.)
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Chen L, Lin X, Xu X, Wang L, Teng H, Cao H. Anti-inflammatory effect of self-emulsifying delivery system containing Sonchus oleraceus Linn extract on streptozotocin-induced diabetic rats. Food Chem Toxicol 2020; 135:110953. [DOI: 10.1016/j.fct.2019.110953] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 10/31/2019] [Accepted: 11/05/2019] [Indexed: 12/12/2022]
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Mabuza LP, Gamede MW, Maikoo S, Booysen IN, Nguban PS, Khathi A. Hepatoprotective Effects of a Ruthenium(II) Schiff Base Complex in Rats with Diet-Induced Prediabetes. Curr Ther Res Clin Exp 2019; 91:66-72. [PMID: 31871510 PMCID: PMC6911857 DOI: 10.1016/j.curtheres.2019.100570] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 10/13/2019] [Indexed: 12/18/2022] Open
Abstract
Ruthenium(II) Schiff-base complex normalizes liver damage biomarker enzymes. Ruthenium(II) Schiff-base complex reduced hepatic lipid accumulation and restored liver and body weight. Ruthenium(II) Schiff-base complex decreased plasma SREBP-1c levels. Ruthenium(II) Schiff-base complex prevented hepatomegaly and prediabetes-related NAFLD progression.
Background Progressive insulin resistance in a prediabetic state has been reported to be the predominant causative factor for the development of nonalcoholic fatty liver disease. The combination of dietary modification and pharmacotherapy has been recommended to manage diabetic liver complications. However, poor patient compliance and toxicity of current drug therapy on liver function still results; thus, newer alternative drugs are required. Objective This study sought to investigate the hepatoprotective effects of the ruthenium(II) Schiff base complex in the presence and absence of dietary intervention in a diet-induced pre-diabetic rat model. Methods Prediabetic rats were randomly allocated to respective treatment groups. The ruthenium-based compound (15 mg/kg) was administered to the prediabetic rats in both the presence and absence of dietary intervention once a day every third day for 12 weeks. Results The administration of the ruthenium compound in both the presence and absence of dietary intervention resulted in the restoration of liver and body weights. This treatment also reduced liver damage enzyme biomarkers, bilirubin, and sterol regulatory element binding protein 1c concentrations in the plasma. Conclusions The ruthenium(II) complex showed beneficial effects as it ameliorated and prevented the progression of diabetes-related liver derangements while eliminating the hepatotoxicity associated with the use of metal compounds. However, further studies are still required to further determine the physiological mechanisms behind this effect.
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Affiliation(s)
- Lindokuhle Patience Mabuza
- School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
- Address correspondence to: L.P. Mabuza, Lindokuhle Patience Mabuza, School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Private Bag X54001, Durban, South Africa.
| | - Mlindeli Wilkinson Gamede
- School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Sanam Maikoo
- School of Chemistry and Physics, College of Engineering and Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| | - Irvin Noel Booysen
- School of Chemistry and Physics, College of Engineering and Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| | - Phikelelani Siphosethu Nguban
- School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Andile Khathi
- School of Laboratory Medicine and Medical Sciences, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
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Islam N, Dihingia A, Manna P, Das T, Kalita J, Dekaboruah HP, Saikia BK. Environmental and toxicological assessment of nanodiamond-like materials derived from carbonaceous aerosols. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 679:209-220. [PMID: 31082594 DOI: 10.1016/j.scitotenv.2019.04.446] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 04/24/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Carbonaceous aerosols (CAs) are ubiquitous and among the most significant environmental materials found in ambient air, mainly derived from anthropogenic sources (biomass burning, industrial activity, vehicle emissions, etc.). Elemental carbon (black carbon) and organic carbons are the major constituents of CAs. Due to their toxic effects, they are considered as high-risk compounds for human health. The key objective of the present work is to conduct a feasibility study for the conversion of CAs (TSP and PM10) into a value-added carbon nanostructured product by using a chemical method. High resolution-transmission electron microscopy (HR-TEM), X-ray diffraction (XRD), Raman spectroscopy, Fourier transforms infrared spectroscopy (FT-IR), X-ray photoelectron spectrometer (XPS), ultraviolet-visible spectroscopy (UV-visible), fluorescence spectroscopy (FL), and Zeta potential analyses indicated the formation of carbon nanomaterials with crystalline phases, which exhibit the characteristics of nanodiamonds (NDs). The HR-TEM image analysis showed that the nominal size of the CAs-derived NDs ranged from 4 to 17 nm composed of mainly carbon and oxygen. The FT-IR and XPS analysis indicated that the NDs are highly functionalized with an oxygen-containing functional group. The CAs-derived NDs showed the property of blue-fluorescence with excitation dependent. In the cytotoxicity and genotoxicity study, the NDs obtained was observed to be biocompatible and suitable for bioimaging applications. This result provides a new avenue for the conversion of CAs to high-value products leading to the mitigation of atmospheric pollution.
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Affiliation(s)
- Nazrul Islam
- Polymer Petroleum and Coal Chemistry Group, Materials Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India; Academy of Scientific and Innovative Research, CSIR-NEIST Campus, Jorhat 785006, India
| | - Anjum Dihingia
- Biotechnology Group, Biological Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India
| | - Prasenjit Manna
- Biotechnology Group, Biological Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India
| | - Tonkeswar Das
- Polymer Petroleum and Coal Chemistry Group, Materials Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India
| | - Jatin Kalita
- Biotechnology Group, Biological Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India
| | - H P Dekaboruah
- Biotechnology Group, Biological Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India
| | - Binoy K Saikia
- Polymer Petroleum and Coal Chemistry Group, Materials Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India; Academy of Scientific and Innovative Research, CSIR-NEIST Campus, Jorhat 785006, India.
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Chen T, Ju D, Day C, Yeh Y, Chen R, Viswanadha VP, Chang R, Lin Y, Yao C, Huang C. Protective effect of autologous transplantation of resveratrol preconditioned adipose‐derived stem cells in the treatment of diabetic liver dysfunction in rat model. J Tissue Eng Regen Med 2019; 13:1629-1640. [DOI: 10.1002/term.2917] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 01/18/2019] [Accepted: 02/13/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Tung‐Sheng Chen
- School of Life ScienceNational Taiwan Normal University Taipei Taiwan
| | - Da‐Tong Ju
- Department of Neurological SurgeryTri‐Service General Hospital, National Defense Medical Center Taipei Taiwan
| | | | - Yu‐Lan Yeh
- Department of pathologyChanghua Christian Hospital Changhua Taiwan
| | - Ray‐Jade Chen
- Department of Surgery, School of Medicine, College of MedicineTaipei Medical University Taipei Taiwan
| | | | - Ruey‐Lin Chang
- College of Chinese Medicine, School of Post‐Baccalaureate Chinese MedicineChina Medical University Taichung Taiwan
| | - Yuan‐Chuan Lin
- Graduate Institute of Basic Medical ScienceChina Medical University Taichung Taiwan
| | - Chun‐Hsu Yao
- Biomaterials Translational Research CenterChina Medical University Hospital Taiwan, ROC
- Department of Biomedical Imaging and Radiological ScienceChina Medical University Taichung Taiwan
| | - Chih‐Yang Huang
- Graduate Institute of Basic Medical ScienceChina Medical University Taichung Taiwan
- Department of BiotechnologyAsia University Taichung Taiwan
- Department of Medical ResearchChina Medical University Hospital, China Medical University Taichung Taiwan
- Holistic Education CenterTzu Chi University of Science and Technology Hualien Taiwan
- Cardiovascular and Mitochondria Related Diseases Research CenterHualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation Hualien Taiwan
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Changes in hepatic metabolic profile during the evolution of STZ-induced diabetic rats via an 1H NMR-based metabonomic investigation. Biosci Rep 2019; 39:BSR20181379. [PMID: 30918104 PMCID: PMC6481239 DOI: 10.1042/bsr20181379] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 03/07/2019] [Accepted: 03/26/2019] [Indexed: 12/11/2022] Open
Abstract
Background: The present study aimed to explore the changes in the hepatic metabolic profile during the evolution of diabetes mellitus (DM) and verify the key metabolic pathways. Methods: Liver samples were collected from diabetic rats induced by streptozotocin (STZ) and rats in the control group at 1, 5, and 9 weeks after STZ administration. Proton nuclear magnetic resonance spectroscopy (1H NMR)-based metabolomics was used to examine the metabolic changes during the evolution of DM, and partial least squares-discriminate analysis (PLS-DA) was performed to identify the key metabolites. Results: We identified 40 metabolites in the 1H NMR spectra, and 11 metabolites were further selected by PLS-DA model. The levels of α-glucose and β-glucose, which are two energy-related metabolites, gradually increased over time in the DM rats, and were significantly greater than those of the control rats at the three-time points. The levels of choline, betaine, and methionine decreased in the DM livers, indicating that the protective function in response to liver injury may be undermined by hyperglycemia. The levels of the other amino acids (leucine, alanine, glycine, tyrosine, and phenylalanine) were significantly less than those of the control group during DM development. Conclusions: Our results suggested that the hepatic metabolic pathways of glucose, choline-betaine-methionine, and amino acids were disturbed during the evolution of diabetes, and that choline-betaine-methionine metabolism may play a key role.
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Safhi MM, Alam MF, Sivakumar SM, Anwer T. Hepatoprotective Potential of Sargassum muticum against STZ-Induced Diabetic Liver Damage in Wistar Rats by Inhibiting Cytokines and the Apoptosis Pathway. Anal Cell Pathol (Amst) 2019; 2019:7958701. [PMID: 30937278 PMCID: PMC6415279 DOI: 10.1155/2019/7958701] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 01/11/2019] [Accepted: 01/28/2019] [Indexed: 12/18/2022] Open
Abstract
Liver inflammation and necrosis are the foremost problems interlinked with diabetes mellitus (DM). The methanolic extract of Sargassum muticum (MESM) plays a hepatoprotective role in streptozotocin- (STZ-) induced hepatic injury. In this study, STZ exposure induced diabetes that augmented hepatic damage, which was reflected in serum enzyme markers, the cytokine network, and caspase-3 and caspase-9 levels in Group 2. Exposure to the MESM tremendously modulated the levels of hepatic enzyme markers ALP, ACP, ALT, and AST in Groups 3 and 4. The cytokine network was well regulated by suppressing the release of cytokines, and the levels of caspase-3 and caspase-9 were also reduced in Groups 3 and 4. The present study suggests that MESM treatment at 200 and 500 mg protected the liver and also minimizes the glucose level. Thus, the MESM plays a key role in rejuvenating the liver and can modulate diabetes's pathogenic effect by reducing the glucose level.
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Affiliation(s)
- Mohammed M. Safhi
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Mohammad Firoz Alam
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | | | - Tarique Anwer
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
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Chowdhury S, Ghosh S, Das AK, Sil PC. Ferulic Acid Protects Hyperglycemia-Induced Kidney Damage by Regulating Oxidative Insult, Inflammation and Autophagy. Front Pharmacol 2019; 10:27. [PMID: 30804780 PMCID: PMC6371841 DOI: 10.3389/fphar.2019.00027] [Citation(s) in RCA: 102] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 01/10/2019] [Indexed: 12/31/2022] Open
Abstract
Oxidative insult, inflammation, apoptosis and autophagy play a pivotal role in the etiology of diabetic nephropathy, a global health concern. Ferulic acid, a phytochemical, is reported to protect against varied diseased conditions. However, the ameliorative role and mechanisms of ferulic acid in averting STZ-mediated nephrotoxicity largely remains unknown. For in vivo study, a single intraperitoneal injection of streptozotocin (50 mg kg-1 body wt.) was administered in experimental rats to induce diabetes. The diabetic rats exhibited a rise in blood glucose level as well as kidney to body weight ratio, a decrease in serum insulin level, severe kidney tissue damage and dysfunction. Elevation of intracellular ROS level, altered mitochondrial membrane potential and cellular redox balance impairment shown the participation of oxidative stress in hyperglycemia-triggered renal injury. Treatment with ferulic acid (50 mg kg-1 body wt., orally for 8 weeks), post-diabetic induction, could markedly ameliorate kidney injury, renal cell apoptosis, inflammation and defective autophagy in the kidneys. The underlying mechanism for such protection involved the modulation of AGEs, MAPKs (p38, JNK, and ERK 1/2), NF-κB mediated inflammatory pathways, mitochondria-dependent and -independent apoptosis as well as autophagy induction. In cultured NRK-52E cells, ferulic acid (at an optimum dose of 75 μM) could counter excessive ROS generation, induce autophagy and inhibit apoptotic death of cells under high glucose environment. Blockade of autophagy could significantly eradicate the protective effect of ferulic acid in high glucose-mediated cell death. Together, the study confirmed that ferulic acid, exhibiting hypoglycemic, antioxidant, anti-inflammatory, anti-apoptotic activities and role in autophagy, could circumvent oxidative stress-mediated renal cell damage.
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Affiliation(s)
| | - Sumit Ghosh
- Division of Molecular Medicine, Bose Institute, Kolkata, India
| | | | - Parames C Sil
- Division of Molecular Medicine, Bose Institute, Kolkata, India
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Gjorgjieva M, Mithieux G, Rajas F. Hepatic stress associated with pathologies characterized by disturbed glucose production. Cell Stress 2019; 3:86-99. [PMID: 31225503 PMCID: PMC6551742 DOI: 10.15698/cst2019.03.179] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
The liver is an organ with many facets, including a role in energy production and metabolic balance, detoxification and extraordinary capacity of regeneration. Hepatic glucose production plays a crucial role in the maintenance of normal glucose levels in the organism i.e. between 0.7 to 1.1 g/l. The loss of this function leads to a rare genetic metabolic disease named glycogen storage disease type I (GSDI), characterized by severe hypoglycemia during short fasts. On the contrary, type 2 diabetes is characterized by chronic hyperglycemia, partly due to an overproduction of glucose by the liver. Indeed, diabetes is characterized by increased uptake/production of glucose by hepatocytes, leading to the activation of de novo lipogenesis and the development of a non-alcoholic fatty liver disease. In GSDI, the accumulation of glucose-6 phosphate, which cannot be hydrolyzed into glucose, leads to an increase of glycogen stores and the development of hepatic steatosis. Thus, in these pathologies, hepatocytes are subjected to cellular stress mainly induced by glucotoxicity and lipotoxicity. In this review, we have compared hepatic cellular stress induced in type 2 diabetes and GSDI, especially oxidative stress, autophagy deregulation, and ER-stress. In addition, both GSDI and diabetic patients are prone to the development of hepatocellular adenomas (HCA) that occur on a fatty liver in the absence of cirrhosis. These HCA can further acquire malignant traits and transform into hepatocellular carcinoma. This process of tumorigenesis highlights the importance of an optimal metabolic control in both GSDI and diabetic patients in order to prevent, or at least to restrain, tumorigenic activity during disturbed glucose metabolism pathologies.
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Affiliation(s)
- Monika Gjorgjieva
- Institut National de la Santé et de la Recherche Médicale, U1213, Lyon, F-69008, France.,Université de Lyon, Lyon, F-69008 France.,Université Lyon I, Villeurbanne, F-69622 France
| | - Gilles Mithieux
- Institut National de la Santé et de la Recherche Médicale, U1213, Lyon, F-69008, France.,Université de Lyon, Lyon, F-69008 France.,Université Lyon I, Villeurbanne, F-69622 France
| | - Fabienne Rajas
- Institut National de la Santé et de la Recherche Médicale, U1213, Lyon, F-69008, France.,Université de Lyon, Lyon, F-69008 France.,Université Lyon I, Villeurbanne, F-69622 France
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Zhao C, Yang C, Wai STC, Zhang Y, P. Portillo M, Paoli P, Wu Y, San Cheang W, Liu B, Carpéné C, Xiao J, Cao H. Regulation of glucose metabolism by bioactive phytochemicals for the management of type 2 diabetes mellitus. Crit Rev Food Sci Nutr 2018; 59:830-847. [PMID: 30501400 DOI: 10.1080/10408398.2018.1501658] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Chao Zhao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Department of Chemistry, University of California, Davis, CA, USA
| | - Chengfeng Yang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Oceanography, Minjiang University, Fuzhou, China
| | - Sydney Tang Chi Wai
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong
| | - Yanbo Zhang
- School Chinese Medicine, University of Hong Kong, Hong Kong, China
| | - Maria P. Portillo
- Department of Nutrition and Food Science, Faculty of Pharmacy, University of Basque Country (UPV/EHU) and Lucio Lascaray Research Center, Vitoria, Spain
- CIBEROBN Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), Spain
| | - Paolo Paoli
- Department of Biomedical, Experimental and Clinical Sciences, University of Florence, Florence, Italy
| | - Yijing Wu
- Institute of Oceanography, Minjiang University, Fuzhou, China
- College of Food Science and Nutritional Engineering, China Agricultural University, China
| | - Wai San Cheang
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau SAR, China
| | - Bin Liu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Christian Carpéné
- Institut des Maladies Métaboliques et Cardiovasculaires (I2MC), Institut National de la Santé et de la Recherche Médicale (INSERM U1048)/Université Paul Sabatier, Bât. L4, CHU Rangueil, Toulouse cedex 4, France
| | - Jianbo Xiao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau SAR, China
| | - Hui Cao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau SAR, China
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Souza ACF, Bastos DSS, Santos FC, Sertorio MN, Ervilha LOG, Gonçalves RV, de Oliveira LL, Machado-Neves M. Arsenic aggravates oxidative stress causing hepatic alterations and inflammation in diabetic rats. Life Sci 2018; 209:472-480. [PMID: 30144451 DOI: 10.1016/j.lfs.2018.08.054] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 08/08/2018] [Accepted: 08/21/2018] [Indexed: 02/06/2023]
Abstract
AIMS Studies have shown that exposure to either environmental toxicants or hyperglycemia causes hepatic injuries. However, it is unclear the extent to which their combined exposure may influence liver functions. Therefore, we aimed to evaluate morphological and functional hepatic parameters in diabetic rats exposed to arsenic. METHODS Diabetes was induced in male rats by intraperitoneal streptozotocin injection. While healthy and diabetic animals received saline solution (negative control and diabetes control, respectively), other animals received 10 mg/L sodium arsenate (arsenic control and diabetes + arsenic groups, respectively) for 40 days in drinking water. Liver tissue was subjected to antioxidant enzymes analysis, cytokine assay, arsenic determination, and histopathological evaluation. Functional markers of hepatic damage were analyzed using serum samples. KEY FINDINGS Arsenate exposure reduced the antioxidant enzymes activity in healthy rats, and it worsened the reduction of GST in diabetic animals. Consequently, arsenate-exposed animals showed increased malondialdehyde and carbonyl protein levels, being this increase worsened in diabetes + arsenic animals. Arsenate-exposed groups also showed hepatic inflammatory process with high number of mast cells and TNF-α production mainly in diabetes + arsenic animals. Vascular alterations, such as congestion, bleeding, and hemosiderin deposition were intensified in diabetes + arsenic animals, whereas glycogen storage reduced in these animals. SIGNIFICANCE We concluded that arsenate exposure was able to intensify morphological and functional damages in liver tissue of diabetic animals.
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Affiliation(s)
| | - Daniel Silva Sena Bastos
- Department of General Biology, Federal University of Viçosa, Viçosa 36570-900, Minas Gerais, Brazil
| | - Felipe Couto Santos
- Department of General Biology, Federal University of Viçosa, Viçosa 36570-900, Minas Gerais, Brazil
| | | | | | | | | | - Mariana Machado-Neves
- Department of General Biology, Federal University of Viçosa, Viçosa 36570-900, Minas Gerais, Brazil.
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