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Yoopum S, Wongmanee N, Rojanaverawong W, Rattanapunya S, Sumsakul W, Hanchang W. Mango (Mangifera indica L.) seed kernel extract suppresses hyperglycemia by modulating pancreatic β cell apoptosis and dysfunction and hepatic glucose metabolism in diabetic rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:123286-123308. [PMID: 37981611 DOI: 10.1007/s11356-023-31066-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 11/12/2023] [Indexed: 11/21/2023]
Abstract
This study investigated the anti-hyperglycemic action of mango seed kernel extract (MKE) and various mechanisms involved in its actions to improve pancreatic β cells and hepatic carbohydrate metabolism in diabetic rats. An intraperitoneal injection of 60 mg/kg of streptozotocin (STZ) followed by 30 consecutive days of treatment with MKE (250, 500, and 1000 mg/kg body weight) was used to establish a study group of diabetic rats. Using liquid chromatography-electrospray ionization-quadrupole time-of-flight mass spectrometry (LC-ESI-QTOF-MS/MS) for identification, 26 chemical compounds were found in MKE and the high-performance liquid chromatography (HPLC) analysis of the MKE also revealed the existence of mangiferin, gallic acid, and quercetin. The results confirmed that in each diabetes-affected rat, MKE mitigated the heightened levels of fasting blood glucose, diabetic symptoms, glucose intolerance, total cholesterol (TC), and low-density lipoprotein-cholesterol (LDL-C). As demonstrated by a remarkable increment in serum and pancreatic insulin, the diabetic pancreatic β cell function was potentiated by treating with MKE. The effect of MKE on diabetic pancreatic apoptosis clearly reduced the terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL)-positive cells, which was related to diminished levels of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and Bax and an increase in Bcl-xL protein expression. Furthermore, diabetes-induced liver damage was clearly ameliorated along with a notable reduction in serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels and abnormal liver histology. By enhancing anti-oxidant superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) activities, MKE alleviated diabetes-induced pancreatic and liver oxidative damage, as demonstrated by diminished levels of malondialdehyde. In minimizing the expression levels of glucose 6-phosphatase and phosphoenolpyruvate carboxykinase-1 proteins in the diabetic liver, MKE also enhanced glycogen content and hexokinase activity. Collectively, these findings indicate that by suppressing oxidative and inflammatory processes, MKE exerts a potent anti-hyperglycemic activity in diabetic rats which serve to protect pancreatic β cell apoptosis, enhance their function, and improve hepatic glucose metabolism.
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Affiliation(s)
- Sasiwat Yoopum
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Navinee Wongmanee
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Worarat Rojanaverawong
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Siwalee Rattanapunya
- Public Health Department, Science and Technology Faculty, Chiang Mai Rajabhat University, Chiang Mai, 50300, Thailand
| | - Wiriyaporn Sumsakul
- Expert Centre of Innovative Herbal Products, Institute of Scientific and Technology Research, Pathum Thani, 12120, Thailand
| | - Wanthanee Hanchang
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok, 65000, Thailand.
- Centre of Excellence in Medical Biotechnology, Naresuan University, Phitsanulok, 65000, Thailand.
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Salemcity AJ, Olanlokun JO, Olowofolahan AO, Olojo FO, Adegoke AM, Olorunsogo OO. Reversal of mitochondrial permeability transition pore and pancreas degeneration by chloroform fraction of Ocimum gratissimum (L.) leaf extract in type 2 diabetic rat model. Front Pharmacol 2023; 14:1231826. [PMID: 38035005 PMCID: PMC10683093 DOI: 10.3389/fphar.2023.1231826] [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: 05/30/2023] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Introduction: Unmanaged Diabetes Mellitus (DM) usually results to tissue wastage because of mitochondrial dysfunction. Adverse effects of some drugs used in the management of DM necessitates the search for alternative therapy from plant origin with less or no side effects. Ocimum gratissimum (L.) (OG) has been folklorically used in the management of DM. However, the mechanism used by this plant is not fully understood. This study was designed to investigate the effects of chloroform fraction of OG leaf (CFOG) in the reversal of tissue wastage in DM via inhibition of mitochondrial-mediated cell death in streptozotocin (STZ)-induced diabetic male Wistar rats. Methods: Air-dried OG leaves were extracted with methanol and partitioned successively between n-hexane, chloroform, ethylacetate and methanol to obtain their fractions while CFOG was further used because of its activity. Diabetes was induced in fifteen male Wistar rats, previously fed with high fat diet (28 days), via a single intraperitoneal administration of STZ (35 mg/kg). Diabetes was confirmed after 72 h. Another five fed rats were used as the normal control, treated with corn oil (group 1). The diabetic animals were grouped (n = 5) and treated for 28 days as follows: group 2 (diabetic control: DC) received corn oil (10 mL/kg), groups 3 and 4 were administered 400 mg/kg CFOG and 5 mg/kg glibenclamide, respectively. Body weight and Fasting Blood Glucose (FBG) were determined while Homeostasis Model Assessment of Insulin Resistance (HOMA-IR) and beta cell (HOMA-β), and pancreatic tissue regenerating potential by CFOG were assessed. Activity-guided purification and characterization of the most active principle in CFOG was done using chromatographic and NMR techniques. The animals were sacrificed after 28 days, blood samples were collected and serum was obtained. Liver mitochondria were isolated and mitochondrial permeability transition (mPT) was investigated by spectrophotometry. Results: CFOG reversed diabetic-induced mPT pore opening, inhibited ATPase activity and lipid peroxidation. CFOG reduced HOMA-IR but enhanced HOMA-β and caused regeneration of pancreatic cells relative to DC. Lupanol was a major metabolite of CFOG. Discussion: Normoglycemic effect of CFOG, coupled with reversal of mPT, reduced HOMA-IR and improved HOMA-β showed the probable antidiabetic mechanism and tissue regenerating potentials of OG.
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Affiliation(s)
- A. J. Salemcity
- Department of Biochemistry, University of Medical Sciences, Ondo, Nigeria
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - John Oludele Olanlokun
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - A. O. Olowofolahan
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - F. O. Olojo
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ayodeji Mathias Adegoke
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
- Department of Pharmacology, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
| | - O. O. Olorunsogo
- Department of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Adeoye AO, Falode JA, Oladipupo OC, Obafemi TO, Oso BJ, Olaoye IF. Modulation of mitochondrial permeability transition pore opening by Myricetin and prediction of its-drug-like potential using in silico approach. Drug Chem Toxicol 2023; 46:1004-1014. [PMID: 36036089 DOI: 10.1080/01480545.2022.2117372] [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: 12/22/2021] [Revised: 03/28/2022] [Accepted: 04/16/2022] [Indexed: 11/03/2022]
Abstract
Myricetin has been demonstrated to have multiple biological functions with promising research and development prospects. This study investigated the effect of myricetin on liver mitochondrial membrane permeability transition pores and its inhibitory potential on proteins that are important in the apoptotic process in silico. Mitochondrial swelling was assessed as changes in absorbance under succinate-energized conditions. Cytochrome c release, mitochondrial-lipid peroxidation, caspase 3 and 9 expressions, as well as calcium ATPase, were assessed. Pharmacokinetic properties of myricetin were predicted through the SwissADME server while the binding affinity of myricetin toward the proteins was computed using the AutodockVina Screening tool. The conformational stability of protein-ligand interactions was evaluated using molecular dynamics simulations analysis through the iMODS server. Myricetin inhibited the opening of the mitochondrial permeability transition pore and also reversed the increase in mitochondrial lipid peroxidation caused by calcium and other toxicants. Myricetin also caused a reduction in the expression of caspase 3 and 9 as well as calcium ATPase activity. The molecular docking results revealed that myricetin had a considerable binding affinity to the pocket site of caspase 3 and 9 as well as calcium ATPase. Myricetin showed a good drug-likeness based on the predicted pharmacokinetic properties as revealed by low CYP 450 inhibitory promiscuity and relatively low toxicity. It could therefore be suggested that myricetin could be useful in the management of diseases where too many apoptosis occur characterized by excessive tissue wastage such as neurodegenerative conditions and could as well play a role in protecting the physicochemical properties of membrane bilayers from free radical-induced severe cellular damage.
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Affiliation(s)
- Akinwunmi O Adeoye
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Oye, Nigeria
| | - John A Falode
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Oye, Nigeria
| | - Olabimpe C Oladipupo
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Oye, Nigeria
| | | | - Babatunde J Oso
- Department of Biochemistry, McPherson University, Seriki Sotayo, Ogun State, Nigeria
| | - Ige F Olaoye
- Department of Biochemistry, McPherson University, Seriki Sotayo, Ogun State, Nigeria
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Rottenberg H. The Reduction in the Mitochondrial Membrane Potential in Aging: The Role of the Mitochondrial Permeability Transition Pore. Int J Mol Sci 2023; 24:12295. [PMID: 37569671 PMCID: PMC10418870 DOI: 10.3390/ijms241512295] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/22/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
It is widely reported that the mitochondrial membrane potential, ∆Ψm, is reduced in aging animals. It was recently suggested that the lower ∆Ψm in aged animals modulates mitochondrial bioenergetics and that this effect is a major cause of aging since artificially increased ∆Ψm in C. elegans increased lifespan. Here, I critically review studies that reported reduction in ∆Ψm in aged animals, including worms, and conclude that many of these observations are best interpreted as evidence that the fraction of depolarized mitochondria is increased in aged cells because of the enhanced activation of the mitochondrial permeability transition pore, mPTP. Activation of the voltage-gated mPTP depolarizes the mitochondria, inhibits oxidative phosphorylation, releases large amounts of calcium and mROS, and depletes cellular NAD+, thus accelerating degenerative diseases and aging. Since the inhibition of mPTP was shown to restore ∆Ψm and to retard aging, the reported lifespan extension by artificially generated ∆Ψm in C. elegans is best explained by inhibition of the voltage-gated mPTP. Similarly, the reported activation of the mitochondrial unfolded protein response by reduction in ∆Ψm and the reported preservation of ∆Ψm in dietary restriction treatment in C. elegans are best explained as resulting from activation or inhibition of the voltage-gated mPTP, respectively.
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Affiliation(s)
- Hagai Rottenberg
- New Hope Biomedical R&D, 23 W. Bridge Street, New Hope, PA 18938, USA
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Ojo OO, Ogunleke T, Ajeoge J, Olorunsogo OO. Experimental and molecular docking studies of quercetin and vitamin E with diabetes-associated mitochondrial-ATPase as anti-apoptotic therapeutic strategies. J Diabetes Metab Disord 2022; 21:1717-1729. [PMID: 36404854 PMCID: PMC9672242 DOI: 10.1007/s40200-022-01132-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 09/16/2022] [Indexed: 10/14/2022]
Abstract
Purpose Researches have shown the relevance of antioxidants in the management of several diseases. In the present study, the effects of quercetin and vitamin E were investigated on the mitochondrial functions in vivo and in silico. Methods Structures of quercetin and vitamin E were docked against mitochondrial Adenosine triphosphatase (mATPase), and cytochrome c cavity. Activity of liver mATPase and mitochondrial permeability transition pore opening were determined by spectrophotometry and activation of cytochrome c was examined by immunohistochemistry. Results The binding energy of vitamin E (-9 Kcal/mol) in mATPase cavity compares well with glibenclamide (-9.4 Kcal/mol), while quercetin had a binding energy of -7.1 Kcal/mol. Similarly, vitamin E, quercetin were bound to cytochrome c by -6.4 and - 5.5 Kcal/mol energy, while glibenclamide had -7.0 Kcal/mol binding energy. The results showed that vitamin E was more accessible to the protoporphyrin prosthetic group in cytochrome c than quercetin. In the experimental studies, it was validated that vitamin E inhibited the uncontrolled activity of mATPase in diabetic rat liver. This was also proven and tested on the liver mitochondrial permeability transition pore opening observed in diabetic rats. Further experimental assessment of these on activation of cytochrome c showed that vitamin E reduced the extent of the activation more than quercetin and glibenclamide. Conclusion There is a favorable protein-ligand interaction between quercetin and vitamin E in certain apoptotic proteins implicated in diabetes complications.
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Affiliation(s)
- Oluwatoyin O. Ojo
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, 200284 Nigeria
- Department of Chemical Sciences, Faculty of Natural and Applied Sciences, Anchor University Lagos, Lagos, 100278 Nigeria
| | - Titilayo Ogunleke
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, 200284 Nigeria
| | - Joshua Ajeoge
- Department of Chemical Sciences, Faculty of Natural and Applied Sciences, Anchor University Lagos, Lagos, 100278 Nigeria
| | - Olufunso O. Olorunsogo
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, 200284 Nigeria
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Alva R, Mirza M, Baiton A, Lazuran L, Samokysh L, Bobinski A, Cowan C, Jaimon A, Obioru D, Al Makhoul T, Stuart JA. Oxygen toxicity: cellular mechanisms in normobaric hyperoxia. Cell Biol Toxicol 2022; 39:111-143. [PMID: 36112262 PMCID: PMC9483325 DOI: 10.1007/s10565-022-09773-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/07/2022] [Indexed: 12/15/2022]
Abstract
In clinical settings, oxygen therapy is administered to preterm neonates and to adults with acute and chronic conditions such as COVID-19, pulmonary fibrosis, sepsis, cardiac arrest, carbon monoxide poisoning, and acute heart failure. In non-clinical settings, divers and astronauts may also receive supplemental oxygen. In addition, under current standard cell culture practices, cells are maintained in atmospheric oxygen, which is several times higher than what most cells experience in vivo. In all the above scenarios, the elevated oxygen levels (hyperoxia) can lead to increased production of reactive oxygen species from mitochondria, NADPH oxidases, and other sources. This can cause cell dysfunction or death. Acute hyperoxia injury impairs various cellular functions, manifesting ultimately as physiological deficits. Chronic hyperoxia, particularly in the neonate, can disrupt development, leading to permanent deficiencies. In this review, we discuss the cellular activities and pathways affected by hyperoxia, as well as strategies that have been developed to ameliorate injury.
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Affiliation(s)
- Ricardo Alva
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Maha Mirza
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Adam Baiton
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Lucas Lazuran
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Lyuda Samokysh
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Ava Bobinski
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Cale Cowan
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Alvin Jaimon
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Dede Obioru
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Tala Al Makhoul
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada
| | - Jeffrey A Stuart
- Department of Biological Sciences, Brock University, St. Catharines, ON, L2S 3A1, Canada.
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Adeoye AO, Falode JA, Jeje TO, Agbetuyi-Tayo PT, Giwa SM, Tijani YO, Akinola DE. Modulatory potential of Citrus sinensis and Moringa oleifera extracts and epiphytes on rat liver mitochondrial permeability transition pore. Curr Drug Discov Technol 2022; 19:e150322202238. [PMID: 35293296 DOI: 10.2174/1570163819666220315124507] [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: 08/20/2021] [Revised: 12/15/2021] [Accepted: 01/03/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Bioactive agents from medicinal and dietary plants have been reported to modulate the mitochondrial membrane permeability transition pores. OBJECTIVE This study investigated the in vitro effects of C. sinensis (CSE) and M. oleifera (MOE) methanol leaf extracts and their epiphytes (CEP and MEP) on mitochondria permeability transition pores. METHODS In vitro antioxidant activities of the extracts were determined using standard procedures and quantification of polyphenolic compounds in the extracts was done using HPLC-DAD. Opening of the mitochondrial permeability transition pores was assessed as mitochondrial swelling and observed spectrophotometrically as changes in absorbance under succinate-energized conditions. Cytochrome c release was also assessed spectrophotometrically. RESULTS From the results, CSE, MOE, CEP, and MEP inhibited lipid peroxidation and scavenged nitric oxide and DPPH radicals in a concentration-dependent manner. All extracts exhibited greater ferric reducing antioxidant potential. More so, the results showed that CSE, MOE, CEP, and MEP possess the substantive amount of total flavonoids and total phenolics. CSE and MOE had higher total flavonoids and total phenolic content when compared with the epiphytes. HPLC-DAD results revealed Tangeretin as the most abundant in CSE; Eriocitrin in citrus epiphytes; Moringine in MOE and Flavones in moringa epiphytes. All extracts inhibited calcium-induced opening of the pores in a concentration-dependent manner with C. sinensis leaf extract (CSE) and moringa epiphyte (MEP) being the most potent in this regard with no significant release of cytochrome c at all concentrations. CONCLUSION The results suggest that CSE and MEP have bioactive agents which could be useful in the management of diseases where too much apoptosis occurs characterized by excessive tissue wastage such as neurodegenerative conditions.
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Affiliation(s)
- Akinwunmi O Adeoye
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Nigeria
| | - John A Falode
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Nigeria
| | - Temitope O Jeje
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Nigeria
| | | | - Sikirat M Giwa
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Nigeria
| | - Yesirat O Tijani
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Nigeria
| | - Damilola E Akinola
- Department of Biochemistry, Faculty of Science, Federal University Oye Ekiti, Nigeria
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Quercetin and vitamin E ameliorate cardio-apoptotic risks in diabetic rats. Mol Cell Biochem 2022; 477:793-803. [PMID: 35048283 DOI: 10.1007/s11010-021-04332-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 12/09/2021] [Indexed: 01/05/2023]
Abstract
Apoptosis is upregulated in all forms of diabetes, and the mitochondria act as target in diabetes pathophysiology. Quercetin and vitamin E have both shown usefulness in the delay of progression of diabetes-induced complications. However, their effect on the apoptotic process in diabetes mellitus is unknown. We hypothesize that quercetin treatment in diabetes may decrease the propensity for cardiomyocytic death via regulation of the mitochondria permeability transition (mPT) pore opening. Hearts from normal and streptozotocin-induced diabetic rats were used for the study. Low ionic strength heart mitochondria were used for swelling assay and mitochondrial lipid peroxidation (mLPO) activity was spectrophotometrically assessed. Levels of cytochrome c and caspase 3 and 9 were determined by immunohistochemistry, while lesions assessed by histology. Diabetic heart mPT pore showed larger amplitude swelling than control, while mLPO levels were increased in diabetic rats relative to control, this resulted in cytochrome c release. This initiated increased caspase 3 and 9 activity in diabetic rats (p < 0.05). Histology showed hemorrhagic lesions in diabetic rat hearts. Quercetin and vitamin E treatment reversed these effects, suggestive of their anti-apoptotic effect. Quercetin and vitamin E protection in diabetes is mediated by mPT pore inhibition and modulation of mitochondrial-mediated apoptosis.
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Roshanravan N, Askari SF, Fazelian S, Ayati MH, Namazi N. The roles of quercetin in diabetes mellitus and related metabolic disorders; special focus on the modulation of gut microbiota: A comprehensive review. Crit Rev Food Sci Nutr 2021:1-14. [PMID: 34620011 DOI: 10.1080/10408398.2021.1983765] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Quercetin is a dietary flavonoid that can affect the balance between anti-oxidant defense system and oxidative stress. A number of studies showed the positive effects of quercetin on diabetes mellitus and related metabolic disorders through different pathways such as gut flora. However, findings are conflicting. In addition, it seems no studies have summarized all potential mechanisms of quercetin in diabetes mellitus, so far. Therefore, the aims of the present comprehensive review were to provide an overview on biological and biochemical characteristics of quercetin and investigate the effect of quercetin on diabetes mellitus and related metabolic disorders by focusing on its effects on the modulation of gut microbiota. For this purpose, findings of In vitro, animal studies, clinical trials, and review studies with the English language published until January 2021 were summarized. They were identified through electronic databases (PubMed, Scopus, and Cochrane Library) and Google Scholar. Findings showed that quercetin can be an effective component for improving glycemic status and other metabolic disorders related to diabetes mellitus based on In vitro and animal studies. However, environmental factors, food processing and using nanoformulations can affect its efficacy in human studies. Several potential mechanisms, including the modulation of gut flora are proposed for its actions. However, due to limited clinical trials and contradictory findings, more high-quality clinical trials are needed to make a decision on the efficacy of supplementation with quercetin as a complementary therapy for the management of diabetes mellitus, metabolic disorders, and modulating gut flora.
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Affiliation(s)
- Neda Roshanravan
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sayyedeh Fatemeh Askari
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran.,Department of Phytopharmaceuticals (Traditional Pharmacy), School of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Siavash Fazelian
- Clinical Research Development Unit, Ayatollah Kashani Hospital, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mohammad Hossein Ayati
- School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Nazli Namazi
- Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
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Ojo OO, Olorunsogo OO. Quercetin and vitamin E attenuate diabetes-induced testicular anomaly in Wistar rats via the mitochondrial-mediated apoptotic pathway. Andrologia 2021; 53:e14185. [PMID: 34275146 DOI: 10.1111/and.14185] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/18/2021] [Accepted: 06/19/2021] [Indexed: 11/27/2022] Open
Abstract
The role of quercetin and vitamin E treatment against streptozotocin (STZ)-induced testicular abnormalities in diabetic rats and the possible mechanism of action they use for protection were investigated. Diabetes was induced by STZ (45 mg/kg i.p. once) and blood glucose was determined. Plasmatic insulin, testosterone, luteinising hormone and follicle-stimulating hormone (FSH) were determined by ELISA. Levels of cytochrome c, caspase 3 and caspase 9 were evaluated by immunohistochemistry, while lesions were viewed by histology. Insulin played a role in testicular protection against male infertility through modulation of luteinising hormone (LH). This consequently increased Leydig and Sertoli cells and maturation of germ cells with the attached epididymis having abundant spermatozoa. The study showed a positive correlation in the levels of LH, FSH and testosterone; it was further established that all treatments normalised diabetes-induced alterations. Treatment with quercetin and vitamin E resulted in 34% decrease of apoptogenic cytochrome c release. This protected the testes against excessive apoptosis by decreasing caspase 3 and caspase 9 activation by up to 30 and 28% respectively (p < .05). Histology also showed that treatment prevented testicular cell death. The findings show that quercetin/vitamin E possess free radical scavenging properties that protected against testicular damage in diabetes. This suggests the possibility of pharmaco-therapeutic intervention.
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Affiliation(s)
- Oluwatoyin Osinimega Ojo
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria.,Department of Chemical Sciences, Faculty of Natural and Applied Sciences, Anchor University Lagos, Lagos, Nigeria
| | - Olufunso Olabode Olorunsogo
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Lv QZ, Long JT, Gong ZF, Nong KY, Liang XM, Qin T, Huang W, Yang L. Current State of Knowledge on the Antioxidant Effects and Mechanisms of Action of Polyphenolic Compounds. Nat Prod Commun 2021; 16:1934578X2110277. [DOI: 10.1177/1934578x211027745] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024] Open
Abstract
Quality-of-life improvements have resulted in increasing attention being paid to research on antiaging and antioxidation. Polyphenols are natural antioxidants with excellent biological activities, such as antioxidation and scavenging of free radicals and antiviral activity. Abundant availability and low toxicity of polyphenols have attracted the attention of researchers. In this paper, the antioxidant activities of flavonoids, phenolic acids, stilbenes and lignan polyphenols are analyzed, the corresponding antioxidant mechanisms are investigated, and the antioxidant effects of polyphenols are systematically reviewed. Thus, an effective reference based on the recent literature is compiled for the study of the antioxidant mechanisms of polyphenols that provides a significant theoretical basis for the development of products that are components of polyphenols.
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Affiliation(s)
- Qi-zhuang Lv
- College of Biology & Pharmacy, Yulin Normal University, PR China
- Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin, PR China
| | - Jin-tao Long
- College of Biology & Pharmacy, Yulin Normal University, PR China
| | - Zi-feng Gong
- College of Biology & Pharmacy, Yulin Normal University, PR China
| | - Ke-yi Nong
- College of Biology & Pharmacy, Yulin Normal University, PR China
| | - Xiao-mei Liang
- College of Biology & Pharmacy, Yulin Normal University, PR China
| | - Ting Qin
- College of Biology & Pharmacy, Yulin Normal University, PR China
| | - Wei Huang
- College of Biology & Pharmacy, Yulin Normal University, PR China
| | - Lei Yang
- Key Laboratory of System Bio-medicine of Jiangxi Province, Jiujiang University, Jiangxi, China
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The Therapeutic Effects and Mechanisms of Quercetin on Metabolic Diseases: Pharmacological Data and Clinical Evidence. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6678662. [PMID: 34257817 PMCID: PMC8249127 DOI: 10.1155/2021/6678662] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 01/17/2021] [Accepted: 06/08/2021] [Indexed: 12/27/2022]
Abstract
Metabolic diseases have become major public health issues worldwide. Searching for effective drugs for treating metabolic diseases from natural compounds has attracted increasing attention. Quercetin, an important natural flavonoid, is extensively present in fruits, vegetables, and medicinal plants. Due to its potentially beneficial effects on human health, quercetin has become the focus of medicinal attention. In this review, we provide a timely and comprehensive summary of the pharmacological advances and clinical data of quercetin in the treatment of three metabolic diseases, including diabetes, hyperlipidemia, and nonalcoholic fatty liver disease (NAFLD). Accumulating evidences obtained from animal experiments prove that quercetin has beneficial effects on these three diseases. It can promote insulin secretion, improve insulin resistance, lower blood lipid levels, inhibit inflammation and oxidative stress, alleviate hepatic lipid accumulation, and regulate gut microbiota disorders in animal models. However, human clinical studies on the effects of quercetin in diabetes, hyperlipidemia, and NAFLD remain scarce. More clinical trials with larger sample sizes and longer trial durations are needed to verify its true effectiveness in human subjects. Moreover, another important issue that needs to be resolved in future research is to improve the bioavailability of quercetin. This review may provide valuable information for the basic research, drug development, and clinical application of quercetin in the treatment of metabolic diseases.
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Oyedeji TA, Onireti DO, Lasisi OS, Akobi CI, Olorunsogo OO. Stigmasterol isolated from the chloroform fraction of Adenopus breviflorus Benth fruit induces mitochondrial-dependent apoptosis in rat liver. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2021; 18:737-744. [PMID: 33964200 DOI: 10.1515/jcim-2020-0323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 11/12/2020] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Decoction of Adenopus breviflorus fruit is used in folkloric medicine for treating dysmenorrhea and gonorrhea. Phytochemicals from A. breviflorus may be potent in inducing mitochondrial-dependent apoptosis via the opening of the mitochondrial permeability transition (MPT) pore. Therefore, this study investigated the in vitro effects of stigmasterol isolated from the chloroform fraction of A. breviflorus (CFAB) and also the increasing concentration of CFAB on the opening of rat liver mitochondrial permeability transition (MPT) pore. METHODS Fractionation of CFAB on column chromatography yielded a needle-like crystal which structure was elucidated by standard spectroscopic techniques. The effects of stigmasterol and CFAB on MPT pore opening were assayed spectrophotometrically. Also, the effect of CFAB on mitochondrial ATPase (mATPase) activity and cytochrome c (Cyt c) release were determined. RESULTS Stigmasterol isolated from CFAB induced MPT pore opening significantly (p<0.05) when compared with the control. Similarly, CFAB significantly (p<0.05) induced MPT pore opening in rat liver mitochondria in a concentration-dependent manner in the presence and absence of the triggering agent - calcium ion. Furthermore, the increasing concentration of CFAB significantly (p<0.05) stimulated mitochondrial ATPase (mATPase) activity and Cyt c release in a concentration-dependent manner. CONCLUSIONS The study showed that stigmasterol isolated from the chloroform fraction of A. breviflorus is a potent inducer of mitochondrial-dependent apoptosis. Also, the study further revealed that CFAB possesses potent bioactive compounds which can induce the mitochondrial-dependent apoptosis through the opening of the mitochondrial permeability transition pore, activation of mitochondrial ATPase (mATPase) activity and cytochrome c release.
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Affiliation(s)
- Tolulope A Oyedeji
- Department of Biochemistry, College of Medicine, University of Lagos, Lagos, Nigeria
| | - Daniel O Onireti
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, University of Ibadan, Ibadan, Nigeria
| | - Olaitan S Lasisi
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, University of Ibadan, Ibadan, Nigeria
| | - Chibuzor I Akobi
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, University of Ibadan, Ibadan, Nigeria
| | - Olufunso O Olorunsogo
- Laboratories for Biomembrane Research and Biotechnology, Department of Biochemistry, University of Ibadan, Ibadan, Nigeria
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Aoiadni N, Ayadi H, Jdidi H, Naifar M, Maalej S, Makni FA, El Feki A, Fetoui H, Koubaa FG. Flavonoid-rich fraction attenuates permethrin-induced toxicity by modulating ROS-mediated hepatic oxidative stress and mitochondrial dysfunction ex vivo and in vivo in rat. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:9290-9312. [PMID: 33136269 DOI: 10.1007/s11356-020-11250-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 10/13/2020] [Indexed: 06/11/2023]
Abstract
The present study explores the antioxidant, anti-microbial, and hepatoprotective potentials of flavonoid-rich fractions from Fumaria officinalis against permethrin-induced liver damage ex vivo/in vivo in rat. However, HPLC-DAD analysis revealed the richness of 6 components in ethyl acetate fraction (EAF) where ferulic acid, rosmarinic acid, and myricetin are the most abundant. The in vitro assays showed that EAFs have impressive antioxidant and anti-microbial properties. Ex vivo, permethrin (PER) (100 μM) induced a decrease of hepatic AST and ALT activities and 25-OH vitamin D and vitamin C levels and an increase of ALP and LDH activities, TBARS, and ϒ-GT levels with a disturbance of oxidative status. The hepatoprotective effect of EAF (1 mg/mL) against PER was confirmed by the amelioration of oxidative stress profile. In vivo, permethrin was found to increase absolute and relative liver weights, plasma transaminase activities, lactate-to-pyruvate ratio, hepatic and mitochondrial lipid peroxidation, and protein oxidation levels. This pesticide triggered a decrease of Ca2+ and Mg2+-ATPases and mitochondrial enzyme activities. The co-treatment with EAF reestablished the hepatic and mitochondrial function, which could be attributed to its richness in phenolic compounds.
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Affiliation(s)
- Nissaf Aoiadni
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia.
| | - Houda Ayadi
- Laboratory of Biodiversity and Aquatic Ecosystems, Ecology and Planktonology, Sciences Faculty of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | - Hajer Jdidi
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | - Manel Naifar
- Laboratory of Biochemistry, CHU Habib Bourguiba, Sfax, Tunisia
| | - Sami Maalej
- Laboratory of Biodiversity and Aquatic Ecosystems, Ecology and Planktonology, Sciences Faculty of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | | | - Abdelfattah El Feki
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
| | - Hamadi Fetoui
- Laboratory of Toxicology and Environmental Health.LR17ES06, Sciences Faculty of Sfax, University of Sfax, BP1171, 3000, Sfax, Tunisia
| | - Fatma Ghorbel Koubaa
- Laboratory of Animal Eco-Physiology, Faculty of Sciences of Sfax, Street of Soukra Km 3.5, BP 1171, CP 3000, Sfax, Tunisia
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15
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Shabbir U, Rubab M, Daliri EBM, Chelliah R, Javed A, Oh DH. Curcumin, Quercetin, Catechins and Metabolic Diseases: The Role of Gut Microbiota. Nutrients 2021; 13:206. [PMID: 33445760 PMCID: PMC7828240 DOI: 10.3390/nu13010206] [Citation(s) in RCA: 137] [Impact Index Per Article: 45.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 02/07/2023] Open
Abstract
Polyphenols (PPs) are the naturally occurring bioactive components in fruits and vegetables, and they are the most abundant antioxidant in the human diet. Studies are suggesting that ingestion of PPs might be helpful to ameliorate metabolic syndromes that may contribute in the prevention of several chronic disorders like diabetes, obesity, hypertension, and colon cancer. PPs have structural diversity which impacts their bioavailability as they accumulate in the large intestine and are extensively metabolized through gut microbiota (GM). Intestinal microbiota transforms PPs into their metabolites to make them bioactive. Interestingly, not only GM act on PPs to metabolize them but PPs also modulate the composition of GM. Thus, change in GM from pathogenic to beneficial ones may be helpful to ameliorate gut health and associated diseases. However, to overcome the low bioavailability of PPs, various approaches have been developed to improve their solubility and transportation through the gut. In this review, we present evidence supporting the structural changes that occur after metabolic reactions in PPs (curcumin, quercetin, and catechins) and their effect on GM composition that leads to improving overall gut health and helping to ameliorate metabolic disorders.
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Affiliation(s)
- Umair Shabbir
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Momna Rubab
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Eric Banan-Mwine Daliri
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Ramachandran Chelliah
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
| | - Ahsan Javed
- Department of Food Science & Biotechnology, College of Agriculture and Life Sciences, Kyungpook National University, Daegu 41566, Korea;
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon 24341, Korea; (U.S.); (M.R.); (E.B.-M.D.); (R.C.)
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16
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Falode JA, Akinmoladun AC, Olaleye MT, Akindahunsi AA. Kigelia africana (Lam.) Benth leaf extract inhibits rat brain and liver mitochondrial membrane permeability transition pore opening. Drug Chem Toxicol 2020; 45:1614-1624. [PMID: 33280443 DOI: 10.1080/01480545.2020.1850757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The effect of Kigelia africana on mitochondrial membrane permeability transition has not been explored. In this study, the effect of a solvent fraction of Kigelia africana leaf extract on mitochondrial membrane permeability transition of rat brain and liver was evaluated. A methanol extract of K. africana leaves was fractionated into different solvents by vacuum liquid chromatography and following preliminary screening, the dichloromethane:ethylacetate (1:1) fraction was selected for further assays. Constituent phytochemicals in the fraction were revealed by thin-layer chromatography and further purification was carried out to characterize the compounds. Brain and liver mitochondria were isolated and used for mitochondrial membrane permeability transition and adenosine triphosphatase assays. Exogenous Ca2+ and Al3+ were used to trigger the mitochondrial membrane permeability transition opening. Physicochemical properties revealed by thin-layer chromatography showed that the isolated compounds were flavonoids. The extract inhibited mitochondrial membrane permeability transition opening in the presence and absence of triggering agents in brain and liver mitochondria. It also inhibited mitochondrial lipid peroxidation and adenosine triphosphatase activity. These results suggest that the extract can limit the rate of apoptosis via inhibition of mitochondrial membrane permeability transition which is pivotal to the mitochondrial apoptotic pathway and is an important therapeutic target in some pathological conditions.
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Affiliation(s)
- John Adeolu Falode
- Phytomedicine, Biochemical Pharmacology and Toxicology Unit, Department of Biochemistry, Federal University, Oye-Ekiti, Nigeria.,Phytomedicine, Biochemical Pharmacology and Toxicology Unit, Department of Biochemistry, School of Sciences, The Federal University of Technology, Akure, Nigeria
| | - Afolabi Clement Akinmoladun
- Phytomedicine, Biochemical Pharmacology and Toxicology Unit, Department of Biochemistry, School of Sciences, The Federal University of Technology, Akure, Nigeria
| | - Mary Tolulope Olaleye
- Phytomedicine, Biochemical Pharmacology and Toxicology Unit, Department of Biochemistry, School of Sciences, The Federal University of Technology, Akure, Nigeria
| | - Afolabi Akintunde Akindahunsi
- Phytomedicine, Biochemical Pharmacology and Toxicology Unit, Department of Biochemistry, School of Sciences, The Federal University of Technology, Akure, Nigeria
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17
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Salehzadeh A, Salehzadeh A, Maghsood AH, Heidarisasan S, Taheri-Azandaryan M, Ghafourikhosroshahi A, Abbasalipourkabir R. Effects of vitamin A and vitamin E on attenuation of amphotericin B-induced side effects on kidney and liver of male Wistar rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:32594-32602. [PMID: 32514920 DOI: 10.1007/s11356-020-09547-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 06/01/2020] [Indexed: 06/11/2023]
Abstract
Despite the fact that amphotericin B (AmB) is currently considered as the first choice for treatment of visceral leishmaniasis, it is associated with some side effects. This study was designed to investigate the protective effects of vitamins A and E against amphotericin B-induced adverse effects in the kidney and liver of rat. Thirty male Wistar rats aged 7-8 weeks and weighing around 200 g were randomly divided into five groups, each one containing six rats. The first to fifth groups received olive oil as the control groups, AmB, AmB + vitamin A, AmB + vitamin E, and AmB + vitamins A + E, respectively. Rats received vitamins by gavage (vitamin A, 1000 IU/kg and vitamin E, 100 IU/kg) and amphotericin B by injections (5.5 mg/kg body weight). The treatment was constantly continued for 5 days and days 7 and 21. At the end of the study, serum level of TAC, TOS, MDA, liver enzyme activity (ALT, AST, ALP, LDH), renal factors (urea, uric acid, and creatinine), lipid profile as well as histopathological changes of the liver and kidney were investigated. AmB significantly increased serum level of creatinine, urea, uric acid, ALP, TOS, MDA, and kidney and renal tissue damage (p < 0.05). Supplementation AmB with vitamins A and E alone or combination improved oxidative stress status, liver and renal tissue structure, and functional parameters and serum lipid profile. This study highlighted the effects of vitamin A and vitamin E on attenuation of amphotericin B-induced side effects on the kidney and liver of male Wistar rats. Combination of the two vitamins is more effective than either alone improving the oxidative stress status, serum lipid profile, or liver and renal tissue structure and functional parameters.
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Affiliation(s)
- Aref Salehzadeh
- Department of Medical Entomology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Alireza Salehzadeh
- Medical student of Hamadan University of Medical Sciences, Hamadan, Iran
| | - Amir-Hossein Maghsood
- Department of Medical Parasitology and Mycology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Shirin Heidarisasan
- Department of Medical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, 65178, Iran
| | | | | | - Roghayeh Abbasalipourkabir
- Department of Medical Biochemistry, School of Medicine, Hamadan University of Medical Sciences, Hamadan, 65178, Iran.
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18
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Liu Y, Liu Y, Zhang M, Li C, Zhang Z, Liu A, Wu Y, Wu H, Chen H, Hu X, Lin B, Wu W. Structural characterization of a polysaccharide from Suillellus luridus and its antidiabetic activity via Nrf2/HO-1 and NF-κB pathways. Int J Biol Macromol 2020; 162:935-945. [PMID: 32599239 DOI: 10.1016/j.ijbiomac.2020.06.212] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/01/2020] [Accepted: 06/22/2020] [Indexed: 01/26/2023]
Abstract
A heteropolysaccharide designated SLPC-1S with the Mw of 9.4 kDa was purified from the caps of Suillellus luridus. Monosaccharide composition analysis revealed that SLPC-1S was composed of galactose, glucose, arabinose and mannose in a molar ratio of 44.9:27.6:14.7:12.8. Structural characterization indicated that SLPC-1S had a backbone principally composed of 1,3 linked α-D-Galp, 1,3 linked β-D-Glcp and 1,6 linked β-D-Glcp with the branches mainly composed of 1,3 linked β-D-Glcp, 1,3 linked α-L-Arap, 1,3 linked α-D-Manp and T-linked α-D-Galp. Furthermore, SLPC-1S exhibited excellent antidiabetic activities in the streptozotocin-induced diabetic mice. Protein expression and mRNA levels in NF-kB and Nrf2/HO-1 signaling pathways were detected by western blots and real-time polymerase chain reaction (RT-PCR), respectively. The results strongly proved that SLPC-1S can be treated as a potential agent for preventing and treating diabetes via regulating Nrf2-mediated oxidative stress and NF-κB-mediated inflammatory responses.
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Affiliation(s)
- Yuntao Liu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China.
| | - Yixi Liu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Mingyue Zhang
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Cheng Li
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Zhiqing Zhang
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Aiping Liu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Yinglong Wu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Hejun Wu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Hong Chen
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Xinjie Hu
- College of Food Science, Sichuan Agricultural University, Yaan 625014, China
| | - Bokun Lin
- School of Public Health, Guangdong Medical University, Dongguan 523808, China.
| | - Wenjuan Wu
- College of Science, Sichuan Agricultural University, Yaan 625014, China
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19
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Salehi B, Machin L, Monzote L, Sharifi-Rad J, Ezzat SM, Salem MA, Merghany RM, El Mahdy NM, Kılıç CS, Sytar O, Sharifi-Rad M, Sharopov F, Martins N, Martorell M, Cho WC. Therapeutic Potential of Quercetin: New Insights and Perspectives for Human Health. ACS OMEGA 2020; 5:11849-11872. [PMID: 32478277 PMCID: PMC7254783 DOI: 10.1021/acsomega.0c01818] [Citation(s) in RCA: 255] [Impact Index Per Article: 63.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 05/01/2020] [Indexed: 05/03/2023]
Abstract
Quercetin (Que) and its derivatives are naturally occurring phytochemicals with promising bioactive effects. The antidiabetic, anti-inflammatory, antioxidant, antimicrobial, anti-Alzheimer's, antiarthritic, cardiovascular, and wound-healing effects of Que have been extensively investigated, as well as its anticancer activity against different cancer cell lines has been recently reported. Que and its derivatives are found predominantly in the Western diet, and people might benefit from their protective effect just by taking them via diets or as a food supplement. Bioavailability-related drug-delivery systems of Que have also been markedly exploited, and Que nanoparticles appear as a promising platform to enhance their bioavailability. The present review aims to provide a brief overview of the therapeutic effects, new insights, and upcoming perspectives of Que.
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Affiliation(s)
- Bahare Salehi
- Student
Research Committee, School of Medicine, Bam University of Medical Sciences, Bam 44340847, Iran
| | - Laura Machin
- Institute
of Pharmacy and Food, University of Havana, Havana, Cuba
| | - Lianet Monzote
- Parasitology
Department, Institute of Medicine Tropical
Pedro Kourí, Havana, Cuba
| | - Javad Sharifi-Rad
- Phytochemistry
Research Center, Shahid Beheshti University
of Medical Sciences, Tehran 1991953381, Iran
| | - Shahira M. Ezzat
- Department
of Pharmacognosy, Faculty of Pharmacy, Cairo
University, Kasr El-Aini
Street, Cairo 11562, Egypt
- Department
of Pharmacognosy, Faculty of Pharmacy, October
University for Modern Sciences and Arts (MSA), 6th October 12566, Egypt
| | - Mohamed A. Salem
- Department
of Pharmacognosy, Faculty of Pharmacy, Menoufia
University, Gamal Abd
El Nasr st., Shibin Elkom, Menoufia 32511, Egypt
| | - Rana M. Merghany
- Department
of Pharmacognosy, National Research Centre, Giza 12622, Egypt
| | - Nihal M. El Mahdy
- Department
of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, October University for Modern Sciences and Arts (MSA), 6th of October 12566, Egypt
| | - Ceyda Sibel Kılıç
- Department
of Pharmaceutical Botany, Faculty of Pharmacy, Ankara University, Ankara 06100, Turkey
| | - Oksana Sytar
- Department of Plant Biology Department, Institute of Biology, Taras Shevchenko National University of Kyiv, Volodymyrska str., 64, Kyiv 01033, Ukraine
- Department of Plant Physiology, Slovak
University of Agriculture, Nitra, A. Hlinku 2, Nitra 94976, Slovak Republic
| | - Mehdi Sharifi-Rad
- Department
of Medical Parasitology, Faculty of Medicine, Kerman University of Medical Sciences, Kerman 7616913555, Iran
| | - Farukh Sharopov
- Department of Pharmaceutical Technology, Avicenna Tajik State Medical University, Rudaki 139, Dushanbe 734003, Tajikistan
| | - Natália Martins
- Faculty of Medicine, University
of Porto, Porto 4200-319, Portugal
- Institute
for Research and Innovation in Health (i3S), University of Porto, Porto 4200-135, Portugal
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy,
and Centre
for Healthy Living, University of Concepción, Concepción 4070386, Chile
- Universidad de Concepción, Unidad
de Desarrollo Tecnológico,
UDT, Concepción 4070386, Chile
| | - William C. Cho
- Department
of Clinical Oncology, Queen
Elizabeth Hospital, 30
Gascoigne Road, Kowloon, Hong
Kong
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Moustafa Ahmed Y, Shehata Messiha BA, El-Sayed El-Daly M, Abo-Saif AA. Effects of ticagrelor, empagliflozin and tamoxifen against experimentally-induced vascular reactivity defects in rats in vivo and in vitro. Pharmacol Rep 2019; 71:1034-1043. [PMID: 31600634 DOI: 10.1016/j.pharep.2019.06.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/19/2019] [Accepted: 06/05/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND In the current investigation, the effects of the P2Y12 blocker ticagrelor, the sodium/glucose transporter-2-inhibitor empagliflozin, and the selective estrogen receptor modulator tamoxifen were examined against rheumatoid arthritis (RA)/diabetes mellitus (DM)-co-morbidity-induced defects in vascular reactivity. METHODS After model setting, rats were allocated into a normal control, an RA/DM-co-morbidity, and three treatment groups receiving ticagrelor, empagliflozin and tamoxifen. Aorta tissue was isolated for enzyme-linked immunosorbent assay (ELISA) and western blot estimation of the pro-inflammatory molecules angiotensin-II (Ang-II) and endothelin-1 (ET-1), the adhesion molecules P-selectin and vascular cell adhesion molecule-1 (VCAM-1), the energy preserving molecule adenosine-5'-monophosphate-activated protein kinase (AMPK), and the anti-inflammatory molecule vasoactive intestinal peptide (VIP). Estimations of endothelial nitric oxide synthase (eNOS) and matrix metalloproteinase (MMP)-2 were performed immunohistochemically, together with histopathological examination using hematoxylin and eosin and Masson trichrome staining. An in vitro study on rat aortic strips was conducted to assess aorta vasorelaxation. RESULTS Ticagrelor, empagliflozin and tamoxifen significantly increased aorta tissue AMPK and eNOS and decreased Ang-II, ET-1, P-selectin, VCAM-1 and VIP levels compared with RA/DM-co-morbidity, coupled with improved acetylcholine vasorelaxation in vitro. CONCLUSION Ticagrelor, empagliflozin and tamoxifen may correct vascular reactivity defects, where modulation of vascular AMPK, eNOS, Ang-II, ET-1, P-selectin, VCAM-1 and MMP-2 underline their protective effects.
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Affiliation(s)
- Yasmin Moustafa Ahmed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
| | | | | | - Ali Ahmed Abo-Saif
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Nahda University, Beni-Suef, Egypt
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21
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Oyebode OT, Ogunbiyi FO, Olorunsogo OO. Opening of liver mitochondrial permeability transition pore in streptozotocin-induced diabetic rats and its inhibition by methanol fraction of Ficus mucoso (Welw) root bark. JOURNAL OF INTEGRATIVE MEDICINE-JIM 2019; 17:446-454. [DOI: 10.1016/j.joim.2019.10.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 05/13/2019] [Indexed: 12/21/2022]
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22
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Yang H, Yang T, Heng C, Zhou Y, Jiang Z, Qian X, Du L, Mao S, Yin X, Lu Q. Quercetin improves nonalcoholic fatty liver by ameliorating inflammation, oxidative stress, and lipid metabolism in db/db mice. Phytother Res 2019; 33:3140-3152. [PMID: 31452288 DOI: 10.1002/ptr.6486] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 08/02/2019] [Accepted: 08/06/2019] [Indexed: 12/18/2022]
Abstract
Multiphase pathological processes involve in Type 2 diabetes (T2DM)-induced nonalcoholic fatty liver disease (NAFLD). However, the therapies are quite limited. In the present study, the hepatoprotective effects and underlying mechanisms of quercetin in T2DM-induced NAFLD were investigated. T2DM-induced NAFLD and quercetin treatment models were established in vivo and in vitro. The results revealed that quercetin alleviated serum transaminase levels and markedly reduced T2DM-induced histological alterations of livers. Additionally, quercetin restored superoxide dismutase, catalase, and glutathione content in livers. Not only that, quercetin markedly attenuated T2DM-induced production of interleukin 1 beta, interleukin 6, and TNF-α. Accompanied by the restoration of the increased serum total bile acid (p = .0001) and the decreased liver total bile acid (p = .0005), quercetin could reduce lipid accumulation in the liver of db/db mice. Further mechanism studies showed that farnesoid X receptor 1/Takeda G-protein-coupled receptor 5 signaling pathways was involved in quercetin regulation of lipid metabolism in T2DM-induced NAFLD. In high D-glucose and free fatty acid cocultured HepG2 cells model, quercetin eliminated lipid droplets and restored the upregulated total cholesterol and triglyceride levels. Similar to the findings in mice, quercetin could also activate farnesoid X receptor 1/Takeda G-protein-coupled receptor 5 signaling pathway. These findings suggested that quercetin might be a potentially effective drug for the treatment of T2DM-induced NAFLD.
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Affiliation(s)
- Hao Yang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Tingting Yang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Cai Heng
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Yi Zhou
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Zhenzhou Jiang
- Jiangsu Key Laboratory of Drug Screening, China Pharmaceutical University, Nanjing, China
| | - Xuan Qian
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Lei Du
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Shiyu Mao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Xiaoxing Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Qian Lu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
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23
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Mutavdzin S, Gopcevic K, Stankovic S, Jakovljevic Uzelac J, Labudovic Borovic M, Djuric D. The Effects of Folic Acid Administration on Cardiac Oxidative Stress and Cardiovascular Biomarkers in Diabetic Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:1342549. [PMID: 31308875 PMCID: PMC6594301 DOI: 10.1155/2019/1342549] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/22/2019] [Accepted: 05/15/2019] [Indexed: 01/10/2023]
Abstract
The aim of this study was to examine the effects of folic acid administration on the antioxidant enzyme (superoxide dismutase (SOD) and catalase (CAT)) activities, lactate and malate dehydrogenase (LDH and MDH) activities, and certain LDH and MDH isoform distribution in the cardiac tissue of diabetic Wistar male rats. Diabetes mellitus (DM) was induced by streptozotocin (STZ). There were five groups: C1-control (physiological saline 1 ml/kg, i.p. one day), C2-control with daily physiological saline treatment (1 ml/kg, i.p. 28 days), DM-diabetes mellitus (STZ 100 mg/kg in physiological saline, i.p. one day), FA-folic acid (5 mg/kg in physiological saline, i.p. 28 days), and DM+FA-diabetes mellitus and folic acid group (STZ 100 mg/kg in physiological saline, i.p. one day, and folic acid 5 mg/kg in physiological saline, i.p. 28 days). After four weeks, animal hearts were isolated for measurement of enzyme activities, as well as for histomorphometry analyses. An elevated glucose level and a decreased insulin level were obtained in the DM group. SOD, CAT, and MDH activities were elevated in the DM group, while there was no difference in LDH activity among the groups. In all tested groups, four LDH and three MDH isoforms were detected in the heart tissue, but with differences in their relative activities among the groups. Left ventricular cardiomyocyte transversal diameters were significantly smaller in both diabetic groups. Folic acid treatment of diabetic rats induced a reduced glucose level and reduced CAT, SOD, and MDH activities and alleviated the decrease in cardiomyocyte diameters. In conclusion, increased activities of antioxidant enzymes and MDH may be the consequence of oxidative stress caused by DM. Administration of the folic acid has a protective effect since it leads to reduction in glycemia and activities of the certain examined enzymes in the rats with experimentally induced DM.
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Affiliation(s)
- Slavica Mutavdzin
- Institute of Medical Physiology “Richard Burian”, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Kristina Gopcevic
- Institute of Chemistry in Medicine “Prof. Dr. Petar Matavulj”, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Sanja Stankovic
- Centre of Medical Biochemistry, Clinical Centre of Serbia, Belgrade, Serbia
| | - Jovana Jakovljevic Uzelac
- Institute of Medical Physiology “Richard Burian”, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Milica Labudovic Borovic
- Institute of Histology and Embryology “Aleksandar Dj. Kostic”, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Dragan Djuric
- Institute of Medical Physiology “Richard Burian”, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
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