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Alzahrani NA, Bahaidrah KA, Mansouri RA, Aldhahri RS, Abd El-Aziz GS, Alghamdi BS. Possible Prophylactic Effects of Sulforaphane on LPS-Induced Recognition Memory Impairment Mediated by Regulating Oxidative Stress and Neuroinflammatory Proteins in the Prefrontal Cortex Region of the Brain. Biomedicines 2024; 12:1107. [PMID: 38791068 PMCID: PMC11118062 DOI: 10.3390/biomedicines12051107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 01/31/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Alzheimer's disease (AD) presents a significant global health concern, characterized by neurodegeneration and cognitive decline. Neuroinflammation is a crucial factor in AD development and progression, yet effective pharmacotherapy remains elusive. Sulforaphane (SFN), derived from cruciferous vegetables and mainly from broccoli, has shown a promising effect via in vitro and in vivo studies as a potential treatment for AD. This study aims to investigate the possible prophylactic mechanisms of SFN against prefrontal cortex (PFC)-related recognition memory impairment induced by lipopolysaccharide (LPS) administration. METHODOLOGY Thirty-six Swiss (SWR/J) mice weighing 18-25 g were divided into three groups (n = 12 per group): a control group (vehicle), an LPS group (0.75 mg/kg of LPS), and an LPS + SFN group (25 mg/kg of SFN). The total duration of the study was 3 weeks, during which mice underwent treatments for the initial 2 weeks, with daily monitoring of body weight and temperature. Behavioral assessments via novel object recognition (NOR) and temporal order recognition (TOR) tasks were conducted in the final week of the study. Inflammatory markers (IL-6 and TNF), antioxidant enzymes (SOD, GSH, and CAT), and pro-oxidant (MDA) level, in addition to acetylcholine esterase (AChE) activity and active (caspase-3) and phosphorylated (AMPK) levels, were evaluated. Further, PFC neuronal degeneration, Aβ content, and microglial activation were also examined using H&E, Congo red staining, and Iba1 immunohistochemistry, respectively. RESULTS SFN pretreatment significantly improved recognition memory performance during the NOR and TOR tests. Moreover, SFN was protected from neuroinflammation and oxidative stress as well as neurodegeneration, Aβ accumulation, and microglial hyperactivity. CONCLUSION The obtained results suggested that SFN has a potential protective property to mitigate the behavioral and biochemical impairments induced by chronic LPS administration and suggested to be via an AMPK/caspase-3-dependent manner.
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Affiliation(s)
- Noor Ahmed Alzahrani
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 23218, Saudi Arabia; (K.A.B.); (R.A.M.); (R.S.A.)
| | - Khulud Abdullah Bahaidrah
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 23218, Saudi Arabia; (K.A.B.); (R.A.M.); (R.S.A.)
| | - Rasha A. Mansouri
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 23218, Saudi Arabia; (K.A.B.); (R.A.M.); (R.S.A.)
| | - Rahaf Saeed Aldhahri
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 23218, Saudi Arabia; (K.A.B.); (R.A.M.); (R.S.A.)
- Department of Biochemistry, Faculty of Sciences, University of Jeddah, Jeddah 23218, Saudi Arabia
| | - Gamal S. Abd El-Aziz
- Department of Clinical Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah 22252, Saudi Arabia;
| | - Badrah S. Alghamdi
- Department of Physiology, Neuroscience Unit, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Neuroscience and Geroscience Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Bae SJ, Lee WY, Bak SB, Lee SJ, Hwang SJ, Kim GW, Koo BS, Park SD, Yoo HH, Kim CO, Kang HW, Oh TW, Kim YW. Antioxidant Efficacy of Hwangryunhaedok-tang through Nrf2 and AMPK Signaling Pathway against Neurological Disorders In Vivo and In Vitro. Int J Mol Sci 2024; 25:2313. [PMID: 38396988 PMCID: PMC10889506 DOI: 10.3390/ijms25042313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 02/04/2024] [Accepted: 02/11/2024] [Indexed: 02/25/2024] Open
Abstract
Alzheimer's disease (AD) is a representative cause of dementia and is caused by neuronal loss, leading to the accumulation of aberrant neuritic plaques and the formation of neurofibrillary tangles. Oxidative stress is involved in the impaired clearance of amyloid beta (Aβ), and Aβ-induced oxidative stress causes AD by inducing the formation of neurofibrillary tangles. Hwangryunhaedok-tang (HHT, Kracie K-09®), a traditional herbal medicine prescription, has shown therapeutic effects on various diseases. However, the studies of HHT as a potential treatment for AD are insufficient. Therefore, our study identified the neurological effects and mechanisms of HHT and its key bioactive compounds against Alzheimer's disease in vivo and in vitro. In a 5xFAD mouse model, our study confirmed that HHT attenuated cognitive impairments in the Morris water maze (MWM) test and passive avoidance (PA) test. In addition, the prevention of neuron impairment, reduction in the protein levels of Aβ, and inhibition of cell apoptosis were confirmed with brain tissue staining. In HT-22 cells, HHT attenuates tBHP-induced cytotoxicity, ROS generation, and mitochondrial dysfunction. It was verified that HHT exerts a neuroprotective effect by activating signaling pathways interacting with Nrf2, such as MAPK/ERK, PI3K/Akt, and LKB1/AMPK. Among the components, baicalein, a bioavailable compound of HHT, exhibited neuroprotective properties and activated the Akt, AMPK, and Nrf2/HO-1 pathways. Our findings indicate a mechanism for HHT and its major bioavailable compounds to treat and prevent AD and suggest its potential.
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Affiliation(s)
- Su-Jin Bae
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
- College of Korean Medicine, Wonkwang University, Iksan 54538, Republic of Korea;
| | - Won-Yung Lee
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
- College of Korean Medicine, Wonkwang University, Iksan 54538, Republic of Korea;
| | - Seon Been Bak
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
| | - Seung Jin Lee
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
| | - Su-Jin Hwang
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu 41062, Republic of Korea
| | - Geun-Woo Kim
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
| | - Byung-Soo Koo
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
| | - Sun-Dong Park
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
| | - Hye-Hyun Yoo
- College of Pharmacy, Hanyang University, Ansan 1558, Republic of Korea;
| | - Choon-Ok Kim
- Department of Clinical Pharmacology and Clinical Trials Center, Severance Hospital, Yonsei University Health System, Seoul 03722, Republic of Korea;
| | - Hyung Won Kang
- College of Korean Medicine, Wonkwang University, Iksan 54538, Republic of Korea;
| | - Tae-Woo Oh
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu 41062, Republic of Korea
- Department of Korean Convergence Medical Science, University of Science & Technology (UST), Daejeon 34054, Republic of Korea
| | - Young Woo Kim
- School of Korean Medicine, Dongguk University, Gyeongju 38066, Republic of Korea; (S.-J.B.); (W.-Y.L.); (S.B.B.); (S.J.L.); (G.-W.K.); (B.-S.K.); (S.-D.P.)
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Otoo RA, Allen AR. Sulforaphane's Multifaceted Potential: From Neuroprotection to Anticancer Action. Molecules 2023; 28:6902. [PMID: 37836745 PMCID: PMC10574530 DOI: 10.3390/molecules28196902] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/16/2023] [Accepted: 08/30/2023] [Indexed: 10/15/2023] Open
Abstract
Sulforaphane (SFN) is a naturally occurring compound found in cruciferous vegetables such as broccoli and cauliflower. It has been widely studied for its potential as a neuroprotective and anticancer agent. This review aims to critically evaluate the current evidence supporting the neuroprotective and anticancer effects of SFN and the potential mechanisms through which it exerts these effects. SFN has been shown to exert neuroprotective effects through the activation of the Nrf2 pathway, the modulation of neuroinflammation, and epigenetic mechanisms. In cancer treatment, SFN has demonstrated the ability to selectively induce cell death in cancer cells, inhibit histone deacetylase, and sensitize cancer cells to chemotherapy. SFN has also shown chemoprotective properties through inhibiting phase I metabolizing enzymes, modulating phase II xenobiotic-metabolizing enzymes, and targeting cancer stem cells. In addition to its potential as a therapeutic agent for neurological disorders and cancer treatment, SFN has shown promise as a potential treatment for cerebral ischemic injury and intracranial hemorrhage. Finally, the ongoing and completed clinical trials on SFN suggest potential therapeutic benefits, but more research is needed to establish its effectiveness. Overall, SFN holds significant promise as a natural compound with diverse therapeutic applications.
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Affiliation(s)
- Raymond A. Otoo
- Division of Radiation Health, University of Arkansas for Medical Sciences, 4301 West Markham, Suite 441B-2, Little Rock, AR 72205, USA;
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, 4301 West Markham, Suite 441B-2, Little Rock, AR 72205, USA
- Neurobiology & Developmental Sciences, University of Arkansas for Medical Sciences, 4301 West Markham, Suite 441B-2, Little Rock, AR 72205, USA
| | - Antiño R. Allen
- Division of Radiation Health, University of Arkansas for Medical Sciences, 4301 West Markham, Suite 441B-2, Little Rock, AR 72205, USA;
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, 4301 West Markham, Suite 441B-2, Little Rock, AR 72205, USA
- Neurobiology & Developmental Sciences, University of Arkansas for Medical Sciences, 4301 West Markham, Suite 441B-2, Little Rock, AR 72205, USA
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Eddie-Amadi BF, Ezejiofor AN, Orish CN, Cirovic A, Cirovic A, Orisakwe OE. Banana peel extract alleviate inflammation and oxidative stress via modulation of the Nrf2/Hmox-1 and NF-κB pathways in thyroid of heavy metal mixture exposed female rats. TOXICOLOGY RESEARCH AND APPLICATION 2023. [DOI: 10.1177/23978473231167422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
Abstract
Introduction This is an evaluation of the effects of banana peel BP extract on the heavy metals’ mixture HMM mediated oxido-inflammatory effects in the thyroid of female albino rats. Methods Five groups (5 female rats/group) were treated as follows for 60 days: Group 1: Deionized water only; Group 2: (Pb, Hg, Mn and Al); Group 3: 200 mg/kg BP extract + HMM; Group 4: 400 mg/kg BP extract + HMM; Group 5: 800 mg/kg BP extract + HMM. On day 60 animals were euthanized, thyroid was harvested and used for, malondialdehyde MDA, nitric oxide NO, antioxidants, tumor necrosis factor alpha (TNF – α), interleukin 6 (IL – 6), Caspase-3, Nuclear factor erythroid 2- related factor 2 (Nrf2), Nuclear factor kappa B (NfkB) and Heme Oxygynase – 1 (Hmox-1) and histopathology. Results There was significant bioaccumulation of Pb, Al, Hg and MN; elevated IL-6 and Tnf-α, MDA and NO, caspase-3 and Nrf2, NF-κB and Hmox-1 in the HMM only group in comparison to the control. There was significant ( p < 0.05) decrease in SOD, CAT GSH activities in HMM only exposed group in comparison to the control deionized water group, whereas BP co-treatment with HMM significantly ( p < 0.05) increased SOD, CAT GSH activities. Co-treatment with BP extract also reversed most of these effects. Discussion and Conclusions BP extract may ameliorate HMM -induced thyrotoxicity in female albino rats by blunting oxido-inflammatory activities.
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Eddie-Amadi BF, Ezejiofor AN, Orish CN, Orisakwe OE. Zn and Se abrogate heavy metal mixture induced ovarian and thyroid oxido-inflammatory effects mediated by activation of NRF2-HMOX-1 in female albino rats. Curr Res Toxicol 2022; 4:100098. [PMID: 36624872 PMCID: PMC9823124 DOI: 10.1016/j.crtox.2022.100098] [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: 10/04/2022] [Revised: 12/16/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
The thyroid is vital for the proper functioning of the female reproductive system since it regulates the metabolism and development of ovary. This is an evaluation of the essential trace elements ETE on the heavy metals mixture HMM mediated oxido-inflammatory effects in the ovary and thyroid of female albino rats. Eight groups (5 female rats /group) were treated as follows for 60 days: Group 1: Deionized water only; Group 2: (Pb, Hg, Mn and Al); Group 3: HMM + ZnCl2, 0.80 mg/kg; Group 4: HMM + Na2SeO3, 1.50 mg/kg; Group 5: HMM + ZnCl2, 0.80 mg/kg and Na2SeO3, 1.50 mg/kg combined. On day 60 animals were euthanized, ovary and thyroid were harvested and used for, MDA, NO, antioxidants, TNF-α, IL-6, HMOX-1, Caspase-3, NF-KB, NRF2, HM and histopathology. There was significant bioaccumulation of Pb, Al, Hg and MN; elevated IL-6 and TNF-α, MDA and NO, caspase-3 and NRF2, NFKB and HMOX-1 with significant decrease in antioxidants in the HMM only group in comparison to the control. Co-treatment with ETE reversed most of these effects. ETE may ameliorate HMM -induced ovarian and thyrotoxicity in female albino rats by blunting oxido-inflammatory activities.
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Affiliation(s)
- Boma F. Eddie-Amadi
- World Bank Africa Centre of Excellence in Oilfield Chemicals Research (ACE-CEFOR), University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria
| | - Anthonet N. Ezejiofor
- African Centre of Excellence for Public Health and Toxicological Research (ACE-PUTOR), University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria
| | - Chinna N. Orish
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria
| | - Orish E. Orisakwe
- World Bank Africa Centre of Excellence in Oilfield Chemicals Research (ACE-CEFOR), University of Port Harcourt, PMB, 5323 Port Harcourt, Choba, Nigeria
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Chen W, Zhang H, Liu G, Kang J, Wang B, Wang J, Li J, Wang H. Lutein attenuated methylglyoxal-induced oxidative damage and apoptosis in PC12 cells via the PI3K/Akt signaling pathway. J Food Biochem 2022; 46:e14382. [PMID: 36017617 DOI: 10.1111/jfbc.14382] [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: 04/28/2022] [Revised: 07/08/2022] [Accepted: 08/03/2022] [Indexed: 01/13/2023]
Abstract
Methylglyoxal (MGO), a cytotoxic byproduct of glycolysis, causes neuro oxidative damage and apoptosis, and plays key roles in diabetic encephalopathy (DE). The goal of this research was to evaluate the roles of lutein attenuated MGO-induced damage in PC12 cells as well as the underlying mechanisms. The findings of this study showed that lutein has a significant impact on reducing the generation of reactive oxygen species (ROS) and oxidative stress in MGO-induced PC12 cells, which may be attributed to the increased antioxidant enzymes activity and the decreased MDA levels. Moreover, treatment with lutein also alleviated cell apoptosis and mitochondrial damage. Real-time PCR and western blot analysis showed that lutein enhanced the Bcl-2:Bax ratio, inhibited the expression of caspase-3 and caspase-9, and increased the protein level of phosphorylated Akt. The network pharmacology and molecular docking prediction results suggested that the phosphoinositide 3-kinase/protein kinase B (PI3K/Akt) signaling pathway was a potential mechanism of lutein in DE treatment. Furthermore, LY294002, a specific PI3K inhibitor, partially abolished the protective effect of lutein. These results presented that lutein attenuated oxidative damage and apoptosis triggered by MGO in PC12 cells via the PI3K/Akt signaling pathway. PRACTICAL APPLICATIONS: Lutein is a common carotenoid dispersed in fruits and vegetables. This article confirmed a protective effect of lutein on oxidative damage and apoptosis in PC12 cells after MGO damage. These results indicated that lutein could potentially be developed as a nutraceutical or functional food in the prevention of diabetic-related neurodegenerative diseases.
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Affiliation(s)
- Wei Chen
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, China
| | - Hua Zhang
- Animal & Plant and Food Inspection Center of Tianjin Customs (Former Tianjin Inspection and Quarantine Bureau), Tianjin, China
| | - Guishan Liu
- School of Food & Wine, Ningxia University, Yinchuan, China
| | - Ji Kang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, China
| | - Biao Wang
- College of Chemical Engineering and Material Science, Tianjin University of Science and Technology, Tianjin, China
| | - Jilite Wang
- Department of Agriculture, Hetao College, Bayannur, China
| | - Jing Li
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, China
| | - Hao Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology (TUST), Tianjin, China
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Acute Methylglyoxal-Induced Damage in Blood-Brain Barrier and Hippocampal Tissue. Neurotox Res 2022; 40:1337-1347. [PMID: 36057040 DOI: 10.1007/s12640-022-00571-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/17/2022] [Accepted: 08/23/2022] [Indexed: 10/14/2022]
Abstract
Methylglyoxal (MG) is a reactive dicarbonyl compound formed mostly via the glycolytic pathway. Elevated blood glucose levels can cause MG accumulation in plasma and cerebrospinal fluid in patients with diabetes mellitus and Alzheimer's disease. Under these disease conditions, the high reactivity of MG leads to modification of proteins and other biomolecules, generating advanced glycation end products (AGEs), which are considered mediators in neurodegenerative diseases. We investigated the integrity of the blood-brain barrier (BBB) and astrocyte response in the hippocampus to acute insult induced by MG when it was intracerebroventricularly administered to rats. Seventy-two hours later, BBB integrity was lost, as assessed by the entry of Evans dye into the brain tissue and albumin in the cerebrospinal fluid, and a decrease in aquaporin-4 and connexin-43 in the hippocampal tissue. MG did not induce changes in the hippocampal contents of RAGE in this short interval, but decreased the expression of S100B, an astrocyte-secreted protein that binds RAGE. The expression of two important transcription factors of the antioxidant response, NF-κB and Nrf2, was unchanged. However, hemeoxigenase-1 was upregulated in the MG-treated group. These data corroborate the idea that hippocampal cells are targets of MG toxicity and that BBB dysfunction and specific glial alterations induced by this compound may contribute to the behavioral and cognitive alterations observed in these animals.
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Modulating the Antioxidant Response for Better Oxidative Stress-Inducing Therapies: How to Take Advantage of Two Sides of the Same Medal? Biomedicines 2022; 10:biomedicines10040823. [PMID: 35453573 PMCID: PMC9029215 DOI: 10.3390/biomedicines10040823] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 01/17/2023] Open
Abstract
Oxidative stress-inducing therapies are characterized as a specific treatment that involves the production of reactive oxygen and nitrogen species (RONS) by external or internal sources. To protect cells against oxidative stress, cells have evolved a strong antioxidant defense system to either prevent RONS formation or scavenge them. The maintenance of the redox balance ensures signal transduction, development, cell proliferation, regulation of the mechanisms of cell death, among others. Oxidative stress can beneficially be used to treat several diseases such as neurodegenerative disorders, heart disease, cancer, and other diseases by regulating the antioxidant system. Understanding the mechanisms of various endogenous antioxidant systems can increase the therapeutic efficacy of oxidative stress-based therapies, leading to clinical success in medical treatment. This review deals with the recent novel findings of various cellular endogenous antioxidant responses behind oxidative stress, highlighting their implication in various human diseases, such as ulcers, skin pathologies, oncology, and viral infections such as SARS-CoV-2.
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Zhang Q, Bai X, Wang R, Zhao H, Wang L, Liu J, Li M, Chen Z, Wang Z, Li L, Wang D. 4‐octyl Itaconate inhibits lipopolysaccharide (LPS)‐induced osteoarthritis via activating Nrf2 signalling pathway. J Cell Mol Med 2022; 26:1515-1529. [PMID: 35068055 PMCID: PMC8899168 DOI: 10.1111/jcmm.17185] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 12/18/2021] [Accepted: 01/03/2022] [Indexed: 12/23/2022] Open
Abstract
Small molecule drug intervention for chondrocytes is a valuable method for the treatment of osteoarthritis (OA). The 4‐octyl itaconate (OI) is a cellular derivative of itaconate with sound cell permeability and transformation rate. We attempted to confirm the protective role of OI in chondrocytes and its regulatory mechanism. We used lipopolysaccharide (LPS) to induce chondrocyte inflammation injury. After the OI treatment, the secretion and mRNA expression of Il‐6, Il‐10, Mcp‐1 and Tnf‐α were detected by ELISA and qPCR. The protective effect of OI on articular cartilage was further verified in surgical destabilization of the medial meniscus model of OA. Cell death and apoptosis were evaluated based on CCK8, LDH, Typan blue staining, Annexin V and TUNEL analyses. The small interfering RNAs were used to knockout the Nrf2 gene of chondrocytes to verify the OI‐mediated Nrf2 signalling pathway. The results revealed that OI protects cells from LPS‐induced inflammatory injury and attenuates cell death and apoptosis induced by LPS. Similar protective effects were also observed on articular cartilage in mice. The OI activated Nrf2 signalling pathway and promoted the stable expression and translocation of Nrf2 into the nucleus. When the Nrf2 signalling pathway was blocked, the protective effect of OI was significantly counteracted in chondrocytes and a mouse arthritis model. Both itaconate and its derivative (i.e., OI) showed important medical effects in the treatment of OA.
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Affiliation(s)
- Qingchen Zhang
- Department of Orthopaedics Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan China
- Department of Orthopaedics Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan China
| | - Xiaohui Bai
- Department of Clinical Laboratory Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan China
| | - Rongrong Wang
- Department of Clinical Laboratory Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan China
| | - Hao Zhao
- Department of Clinical Laboratory Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan China
| | - Lili Wang
- Department of Clinical Laboratory Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan China
| | - Jingwen Liu
- Department of Clinical Laboratory Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan China
| | - Ming Li
- Department of Clinical Laboratory Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan China
| | - Zheng Chen
- Department of Orthopaedics Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan China
- Department of Orthopaedics Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan China
| | - Zejun Wang
- Department of Clinical Laboratory Shandong Provincial Hospital, Cheeloo College of Medicine Shandong University Jinan China
| | - Lianxin Li
- Department of Orthopaedics Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan China
- Department of Orthopaedics Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan China
| | - Dawei Wang
- Department of Orthopaedics Shandong Provincial Hospital Cheeloo College of Medicine Shandong University Jinan China
- Department of Orthopaedics Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan China
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Lee S, Ha J, Park J, Kang E, Jeon SH, Han SB, Ningsih S, Paik JH, Cho S. Antioxidant and Anti-Inflammatory Effects of Bischofia javanica (Blume) Leaf Methanol Extracts through the Regulation of Nrf2 and TAK1. Antioxidants (Basel) 2021; 10:antiox10081295. [PMID: 34439543 PMCID: PMC8389227 DOI: 10.3390/antiox10081295] [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: 07/15/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 11/16/2022] Open
Abstract
Bischofia javanica (Blume) has been traditionally used to treat inflammatory diseases such as tonsillitis and ulcers throughout Asia, including China, Indonesia, and the Philippines: however, the molecular mechanisms by which B. javanica exerts its antioxidant and anti-inflammatory properties remain largely unknown. In this study, we analyzed the antioxidant and anti-inflammatory mechanisms of methanol extracts of B. javanica leaves (MBJ) in vitro and in vivo. MBJ decreased nitric oxide (NO) production and the expression of pro-inflammatory cytokines, including interleukin (IL)-1β, IL-6, and tumor necrosis factor-α, in lipopolysaccharide (LPS)-treated RAW 264.7 cells. The observed suppression of inflammatory responses by MBJ was correlated with an inhibition of the nuclear factor-κB (NF-κB) and the mitogen-activated protein kinase (MAPK) pathways. Additionally, MBJ induced nuclear translocation of the nuclear factor erythroid 2-related factor 2 (Nrf2), a transcription factor that upregulates the expression of anti-inflammatory and antioxidant genes. Furthermore, MBJ exhibited antioxidant and anti-inflammatory effects in an acute hepatitis mouse model. In conclusion, our results confirm the medicinal properties of B. javanica, and therefore MBJ could be applied to improve inflammatory and redox imbalances in different types of pathologies.
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Affiliation(s)
- Sewoong Lee
- Laboratory of Molecular and Pharmacological Cell Biology, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (S.L.); (J.H.); (J.P.); (E.K.)
| | - Jain Ha
- Laboratory of Molecular and Pharmacological Cell Biology, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (S.L.); (J.H.); (J.P.); (E.K.)
| | - Jiyoung Park
- Laboratory of Molecular and Pharmacological Cell Biology, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (S.L.); (J.H.); (J.P.); (E.K.)
| | - Eunjeong Kang
- Laboratory of Molecular and Pharmacological Cell Biology, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (S.L.); (J.H.); (J.P.); (E.K.)
| | - Sung-Hyun Jeon
- Biomedical Mass Spectrometry Lab, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (S.-H.J.); (S.B.H.)
| | - Sang Beom Han
- Biomedical Mass Spectrometry Lab, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (S.-H.J.); (S.B.H.)
| | - Sri Ningsih
- Center for Pharmaceutical and Medical Technology, Deputy for Agroindustrial Technology and Biotechnology, The Agency for the Assessment and Application of Technology (BPPT), Jl. Raya Puspiptek, Kota Tangerang Selatan 15310, Banten, Indonesia;
| | - Jin Hyub Paik
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea;
| | - Sayeon Cho
- Laboratory of Molecular and Pharmacological Cell Biology, College of Pharmacy, Chung-Ang University, Seoul 06974, Korea; (S.L.); (J.H.); (J.P.); (E.K.)
- Correspondence: ; Tel.: +82-2-820-5595; Fax: +82-2-816-7338
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11
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Sovrani V, Bobermin LD, Schmitz I, Leipnitz G, Quincozes-Santos A. Potential Glioprotective Strategies Against Diabetes-Induced Brain Toxicity. Neurotox Res 2021; 39:1651-1664. [PMID: 34258694 DOI: 10.1007/s12640-021-00393-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/30/2021] [Accepted: 07/05/2021] [Indexed: 12/21/2022]
Abstract
Astrocytes are crucial for the maintenance of brain homeostasis by actively participating in the metabolism of glucose, which is the main energy substrate for the central nervous system (CNS), in addition to other supportive functions. More specifically, astrocytes support neurons through the metabolic coupling of synaptic activity and glucose utilization. As such, diabetes mellitus (DM) and consequent glucose metabolism disorders induce astrocyte damage, affecting CNS functionality. Glioprotective molecules can promote protection by improving glial functions and avoiding toxicity in different pathological conditions, including DM. Therefore, this review discusses specific pathomechanisms associated with DM/glucose metabolism disorder-induced gliotoxicity, namely astrocyte metabolism, redox homeostasis/mitochondrial activity, inflammation, and glial signaling pathways. Studies investigating natural products as potential glioprotective strategies against these deleterious effects of DM/glucose metabolism disorders are also reviewed herein. These products include carotenoids, catechins, isoflavones, lipoic acid, polysaccharides, resveratrol, and sulforaphane.
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Affiliation(s)
- Vanessa Sovrani
- Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Larissa Daniele Bobermin
- Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Izaviany Schmitz
- Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Guilhian Leipnitz
- Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação Em Ciências Biológicas: Fisiologia, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil.,Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Rua Ramiro Barcelos, 2600 - Anexo, Bairro Santa Cecília, Porto Alegre, RS, 90035-003, Brazil
| | - André Quincozes-Santos
- Programa de Pós-Graduação Em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Porto Alegre, RS, Brazil. .,Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal Do Rio Grande Do Sul, Rua Ramiro Barcelos, 2600 - Anexo, Bairro Santa Cecília, Porto Alegre, RS, 90035-003, Brazil.
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12
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Gan WJ, Gao CL, Zhang WQ, Gu JL, Zhao TT, Guo HL, Zhou H, Xu Y, Yu LL, Li LF, Gui DK, Xu YH. Kuwanon G protects HT22 cells from advanced glycation end product-induced damage. Exp Ther Med 2021; 21:425. [PMID: 33747164 PMCID: PMC7967837 DOI: 10.3892/etm.2021.9869] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 09/11/2020] [Indexed: 12/25/2022] Open
Abstract
The incidence of diabetic encephalopathy is increasing as the population ages. Evidence suggests that formation and accumulation of advanced glycation end products (AGEs) plays a pivotal role in disease progression, but limited research has been carried out in this area. A previous study demonstrated that Kuwanon G (KWG) had significant anti-oxidative stress and anti-inflammatory properties. As AGEs are oxidative products and inflammation is involved in their generation it is hypothesized that KWG may have effects against AGE-induced neuronal damage. In the present study, mouse hippocampal neuronal cell line HT22 was used. KWG was shown to significantly inhibit AGE-induced cell apoptosis in comparison with a control treatment, as determined by both MTT and flow cytometry. Compared with the AGEs group, expression of pro-apoptotic protein Bax was reduced and expression of anti-apoptotic protein Bcl-2 was increased in the AGEs + KWG group. Both intracellular and extracellular levels of acetylcholine and choline acetyltransferase were significantly elevated after KWG administration in comparison with controls whilethe level of acetylcholinesterase decreased. These changes in protein expression were accompanied by increased levels of superoxide dismutase and glutathione peroxidase synthesis and reduced production of malondialdehyde and reactive oxygen species. Intracellular signaling pathway protein levels were determined by western blot and immunocytochemistry. KWG administration was found to prevent AGE-induced changes to the phosphorylation levels of Akt, IκB-α, glycogen synthase kinase 3 (GSK3)-α and β, p38 MAPK and NF-κB p65 suggesting a potential neuroprotective effect of KWG against AGE-induced damage was via the PI3K/Akt/GSK3αβ signaling pathway. The findings of the present study suggest that KWG may be a potential treatment for diabetic encephalopathy.
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Affiliation(s)
- Wen-Jun Gan
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Chen-Lin Gao
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China.,Department of Endocrinology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 510500, P.R. China
| | - Wen-Qian Zhang
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Jun-Ling Gu
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Ting-Ting Zhao
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Heng-Li Guo
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Hua Zhou
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Yong Xu
- Department of Endocrinology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 510500, P.R. China
| | - Li-Li Yu
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Li-Fang Li
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
| | - Ding-Kun Gui
- Department of Nephrology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - You-Hua Xu
- Faculty of Chinese Medicine, State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao SAR 999078, P.R. China
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13
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Cao M, Li Y, Famurewa AC, Olatunji OJ. Antidiabetic and Nephroprotective Effects of Polysaccharide Extract from the Seaweed Caulerpa racemosa in High Fructose-Streptozotocin Induced Diabetic Nephropathy. Diabetes Metab Syndr Obes 2021; 14:2121-2131. [PMID: 34012278 PMCID: PMC8126874 DOI: 10.2147/dmso.s302748] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 04/01/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Nephropathy is a frontline complication of diabetes mellitus (DM) associated with impaired redox-inflammatory networks. The study investigated the antidiabetic and nephroprotective potentials of PCR against diabetic nephropathy (DN) in rats. METHODS DN was induced in rats using a combination of a high fructose solution for 4 weeks and an intraperitoneal injection of streptozotocin (35 mg/kg). Diabetic rats were treated with PCR (100 and 400 mg/kg body weight) for 8 weeks. Serum biochemical parameters as well as renal oxidative stress parameters, proinflammatory cytokines, Western blot and histopathological analyses were evaluated. RESULTS There were significant increases in fasting blood glucose, urinary albumin, serum creatinine, blood urea nitrogen (BUN), total cholesterol (TC), triglycerides (TG), and low-density lipoproteins (LDL-C) levels in diabetic rats compared to the non-diabetic control rats. DM-induced DN prominently depressed renal superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-Px) activities, whereas renal malondialdehyde (MDA) level was markedly increased. Furthermore, renal inflammatory cytokines, IL-1β, IL-6, TNF-α and TGF-β, were considerably elevated compared to non-diabetic control rats. Additionally, DN rats showed a significant increase in renal fibrosis, as evidenced by increased expression of TGF-β1, collagen-1, fibronectin and alpha-smooth muscle actin (α-SMA) in the kidneys. Histopathological lesions were consistent with tubule thickening and glomerular hypertrophy. Conversely, PCR treatment exerted significant attenuation of hyperglycemia, dyslipidemia and renal oxidative stress indicators. The increased renal levels of IL-1β, IL-6, TNF-α and TGF-β were also notably reversed dose-dependently with alleviation of nephropathic histology. Furthermore, PCR reduced the expression of α-SMA, fibronectin, collagen-1 and TGF-β1 in the renal tissues. CONCLUSION Our results suggest that PCR displayed antidiabetic and nephroprotective effects against DN by impeding oxidative stress and inflammation. As such, PCR has potentials as a food supplement for alleviating renal dysfunction caused by diabetes.
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Affiliation(s)
- Meng Cao
- Department of Endocrinology, The First Affiliated Hospital of Xinxiang Medical College, Xinxiang, Henan Province, People’s Republic of China
| | - Yan Li
- Department of Endocrinology, The First Affiliated Hospital of Xinxiang Medical College, Xinxiang, Henan Province, People’s Republic of China
| | - Ademola C Famurewa
- Department of Medical Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, Alex Ekwueme Federal University, Ndufu-Alike, Ebonyi State, Nigeria
| | - Opeyemi Joshua Olatunji
- Faculty of Thai Traditional Medicine, Prince of Songkla University, Hat Yai, Thailand
- Correspondence: Opeyemi Joshua Olatunji Faculty of Thai Traditional Medicine, Prince of Songkla University, Hat Yai, 90110, Thailand Email
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14
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Abstract
Diabetes is on the rise across the globe affecting more than 463 million people and crucially increasing morbidities of diabetes-associated diseases. Urgent and immense actions are needed to improve diabetes prevention and treatment. Regarding the correlation of diabetes with many associated diseases, inhibition of the disease progression is more crucial than controlling symptoms. Currently, anti-diabetic drugs are accompanied by undesirable side-effects and target confined types of biomolecules. Thus, extensive research is demanding to identify novel disease mechanisms and molecular targets as probable candidates for effective treatment of diabetes. This review discusses the conventional molecule targets that have been applied for their therapeutic rationale in treatment of diabetes. Further, the emerging and prospective molecular targets for the future focus of library screenings are presented.
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Affiliation(s)
- Faezeh Almasi
- Pharmaceutical Biotechnology Lab, Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
| | - Fatemeh Mohammadipanah
- Pharmaceutical Biotechnology Lab, Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran
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15
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Wang Z, Wang L, Wang J, Luo J, Ruan H, Zhang J. Purified Sika deer antler protein attenuates GM-induced nephrotoxicity by activating Nrf2 pathway and inhibiting NF-κB pathway. Sci Rep 2020; 10:15601. [PMID: 32973191 PMCID: PMC7518274 DOI: 10.1038/s41598-020-71943-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 08/18/2020] [Indexed: 01/07/2023] Open
Abstract
Although gentamicin is widely used as an antibiotic in clinical practice, it also has some side-effects, such as acute kidney injury, which is a common condition caused by the abuse of gentamicin. Sika deer antler protein (SDAPR) can antagonize drug-induced AKI. Since SDAPR is recognized as an effective part of velvet antler, its components were further separated. Two components named SDAP1 and SDAP2 were obtained. The protective effects of SDAPR, SDAP1 and SDAP2 on GM-induced cytotoxicity to HEK293 and its potential mechanisms were studied. MTT and xCELLigence Real-Time cell analysis showed that SDAPR, SDAP1 and SDAP2 could protect HEK293 cells from GM toxicity. Similarly, SDAPR, SDAP1 and SDAP2 can reduce ROS level, reduce oxidative stress and improve inflammation Further studies have shown that SDAPR, SDAP1 and SDAP2 upregulate the Nrf2/HO-1 pathway by increasing the expression of Nrf2 and HO-1, and down-regulate the NF-κB pathway by reducing the protein expression of NF-κB. Annexin V/PI flow cytometry and Hoechst 33258 staining showed that SDAPR, SDAP1 and SDAP2 inhibited GM-induced apoptosis in HEK293 cells. Western blot analysis showed SDAPR, SDAP1 and SDAP2 decreased expression level of Bax and Cleaved-caspase-3, and increased the expression level of Bcl-2. In addition, we examined the feasibility of SDAP1 and SDAP1 to avoid kidney injury in a GM mouse model. In conclusion, SDAPR, SDAP1 and SDAP2 can be used to prevent GM-induced HEK293 cytotoxicity, probably because they have strong anti-oxidative stress, anti-inflammatory and anti-apoptotic effects. And SDAP1 and SDAP2 can inhibit GM-induced acute kidney injury in mice.
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Affiliation(s)
- Zhenyi Wang
- College of Chinese Medicine Materials, Jilin Agricultural University, Xincheng road 2888, Changchun, 130118, China
| | - Lulu Wang
- College of Chinese Medicine Materials, Jilin Agricultural University, Xincheng road 2888, Changchun, 130118, China.,Changchun SCI-TECH University, Changchun, 130600, China
| | - Jing Wang
- Jilin Province FAW General Hospital, Changchun, 130000, China
| | - Jiacheng Luo
- College of Chinese Medicine Materials, Jilin Agricultural University, Xincheng road 2888, Changchun, 130118, China
| | - Haonan Ruan
- College of Chinese Medicine Materials, Jilin Agricultural University, Xincheng road 2888, Changchun, 130118, China
| | - Jing Zhang
- College of Chinese Medicine Materials, Jilin Agricultural University, Xincheng road 2888, Changchun, 130118, China. .,Changchun SCI-TECH University, Changchun, 130600, China.
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16
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Morresi C, Cianfruglia L, Sartini D, Cecati M, Fumarola S, Emanuelli M, Armeni T, Ferretti G, Bacchetti T. Effect of High Glucose-Induced Oxidative Stress on Paraoxonase 2 Expression and Activity in Caco-2 Cells. Cells 2019; 8:cells8121616. [PMID: 31835890 PMCID: PMC6953021 DOI: 10.3390/cells8121616] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 12/04/2019] [Accepted: 12/05/2019] [Indexed: 01/14/2023] Open
Abstract
(1) Background: Hyperglycemia leads to several biochemical and physiological consequences, such as the generation of advanced glycation end products (AGEs) and reactive oxygen species (ROS), which are involved in the development of several human diseases. Intestinal cells are continuously exposed to pro-oxidants and lipid peroxidation products from ingested foods, and also to glyco-oxidative damage. It has been reported that free radical generation may be linked to the development of inflammation-related gastrointestinal diseases. (2) Methods: The effects of high glucose (HG) treatment (50 mM) were assessed in terms of free radical production, lipid peroxidation, and AGEs formation. Furthermore, the expression and the antiapoptotic and antioxidant activity of the paraoxonase-2 (PON2) enzyme in intestinal cells has been investigated. (3) Results: Caco-2 cells treated with media supplied with high glucose (HG) (50 mM) showed, with respect to physiological glucose concentration (25 mM), an increase in ROS production, lipid peroxidation, and AGEs formation. Moreover, a lower PON2 expression and activity in HG-treated cells was related to activation of the apoptotic pathways. (4) Conclusions: Our results demonstrated that high glucose concentrations triggered glyco-oxidative stress in intestinal cells; the downregulation of PON2 could result in a higher oxidative stress and might contribute to intestinal dysfunction.
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Affiliation(s)
- Camilla Morresi
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (C.M.); (M.C.); (T.B.)
| | - Laura Cianfruglia
- Department of Clinical Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (L.C.); (D.S.); (S.F.); (M.E.)
| | - Davide Sartini
- Department of Clinical Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (L.C.); (D.S.); (S.F.); (M.E.)
| | - Monia Cecati
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (C.M.); (M.C.); (T.B.)
| | - Stefania Fumarola
- Department of Clinical Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (L.C.); (D.S.); (S.F.); (M.E.)
| | - Monica Emanuelli
- Department of Clinical Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (L.C.); (D.S.); (S.F.); (M.E.)
| | - Tatiana Armeni
- Department of Clinical Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (L.C.); (D.S.); (S.F.); (M.E.)
- Correspondence: (T.A.); (G.F.); Tel.: +39-07-1220-4376 (T.A.); +39-07-1220-4968 (G.F.)
| | - Gianna Ferretti
- Department of Clinical Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (L.C.); (D.S.); (S.F.); (M.E.)
- Correspondence: (T.A.); (G.F.); Tel.: +39-07-1220-4376 (T.A.); +39-07-1220-4968 (G.F.)
| | - Tiziana Bacchetti
- Department of Life and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, 60131 Ancona, Italy; (C.M.); (M.C.); (T.B.)
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