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Klunko NS, Achmad H, Abdullah TM, Mohammed S, Saha I, Salim KS, Obaid RF, Romero-Parra RM, Al-Hasnawi SS, Al-Janabi WH, Farhood B. The Anti-hypoxia Potentials of Trans-sodium Crocetinate in Hypoxiarelated Diseases: A Review. Curr Radiopharm 2024; 17:30-37. [PMID: 37877507 DOI: 10.2174/0118744710268127231020083505] [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: 06/19/2023] [Revised: 09/18/2023] [Accepted: 09/25/2023] [Indexed: 10/26/2023]
Abstract
Crocetin is a kind of apocarotenoid carboxylic acid extracted from saffron (Crocus sativus L.), which is effective in upregulating tissue oxygenation. However, crocetin is difficult to solubilize. It was shown that the trans isomer of crocetin is effective in improving oxygen diffusivity, while its cis isomer appears not to be. Hence, the isolated trans isomer of crocetin or trans-sodium crocetinate (TSC) can be used instead of crocetin. It is shown that TSC can upregulate hypoxic tissue oxygenation and be effective in treating some hypoxia-related diseases. Moreover, experimental and clinical studies have reported no adverse effects following TSC treatment, even at high doses. The current study will discuss the potential role of TSC in hemorrhagic shock, ischemia, brain tumor radiotherapy, and others.
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Affiliation(s)
- Natalia S Klunko
- Department of Training of Scientific and Scientific-Pedagogical Personnel, Russian New University, Moscow, Russia
| | - Harun Achmad
- Department of Pediatric Dentistry, Faculty of Dentistry, Hasanuddin University, Makassar, Indonesia
| | | | - Sami Mohammed
- Medical Technical College, Al-Farahidi University, Baghdad, Iraq
| | - Indranil Saha
- Department of Physics, GLA University, Mathura, Pin- 281406, U.P., India
| | | | - Rasha Fadhel Obaid
- Department of Biomedical Engineering, Al-Mustaqbal University College, Babylon, Iraq
| | | | | | | | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Aslam MA, Ahmad H, Malik HS, Uinarni H, Karim YS, Akhmedov YM, Abdelbasset WK, Awadh SA, Abid MK, Mustafa YF, Farhood B, Sahebkar A. Radiotherapy-associated Sensorineural Hearing Loss in Pediatric Oncology Patients. Curr Med Chem 2024; 31:5351-5369. [PMID: 37190814 DOI: 10.2174/0929867330666230515112245] [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: 11/25/2022] [Revised: 03/08/2023] [Accepted: 03/27/2023] [Indexed: 05/17/2023]
Abstract
During the radiotherapeutic treatment of pediatric oncology patients, they would be at a latent risk of developing ionizing radiation-induced ototoxicity when the cochlea or auditory nerve is located within the radiation field. Sensorineural hearing loss (SNHL) is an irreversible late complication of radiotherapy, and its incidence depends on various factors such as the patient's hearing sensitivity, total radiation dose to the cochlea, radiotherapy fractionation regimen, age and chemoradiation. Importantly, this complication exhibits serious challenges to adult survivors of childhood cancer, as it has been linked to impairments in academic achievement, psychosocial development, independent living skills, and employment in the survivor population. Therefore, early detection and proper management can alleviate academic, speech, language, social, and psychological morbidity arising from hearing deficits. In the present review, we have addressed issues such as underlying mechanisms of radiation-induced SNHL, audiometric findings of pediatric cancer patients treated with radiotherapy, and management and protection measures against radiation-induced ototoxicity.
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Affiliation(s)
- Muhammad Ammar Aslam
- Department of Emergency Medicine, Rawalpindi Medical University, Rawalpindi, Pakistan
| | - Hassaan Ahmad
- Department of Medicine, Rawalpindi Medical University, Rawalpindi, Pakistan
| | - Hamza Sultan Malik
- Department of Medicine, Rawalpindi Medical University, Rawalpindi, Pakistan
| | - Herlina Uinarni
- Department of Anatomy, School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
- Radiologist at Pantai Indah Kapuk Hospital, Jakarta, Indonesia
| | | | - Yusuf Makhmudovich Akhmedov
- Department of Pediatric Surgery, Samarkand State Medical Institute, Samarkand, Uzbekistan
- Department of Scientific Affairs, Tashkent State Dental Institute, Makhtumkuli Street 103, Tashkent, 100047, Uzbekistan
| | - Walid Kamal Abdelbasset
- Department of Health and Rehabilitation Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al Kharj, Saudi Arabia
- Department of Physical Therapy, Kasr Al-Aini Hospital, Cairo University, Giza, Egypt
| | - Sura A Awadh
- Department of Anesthesia, Al-Mustaqbal University, Babylon, Iraq
| | - Mohammed Kadhem Abid
- Department of Anesthesia, College of Health & medical Technology, Al-Ayen University, Thi-Qar, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul 41001, Iraq
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Amirhosein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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3
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Soliman AM, Ghorab WM, Lotfy DM, Karam HM, Ghorab MM, Ramadan LA. Novel iodoquinazolinones bearing sulfonamide moiety as potential antioxidants and neuroprotectors. Sci Rep 2023; 13:15546. [PMID: 37730974 PMCID: PMC10511408 DOI: 10.1038/s41598-023-42239-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 09/07/2023] [Indexed: 09/22/2023] Open
Abstract
In a search for new antioxidants, a set of new iodoquinazolinone derivatives bearing benzenesulfonamide moiety and variable acetamide pharmacophores 5-17 were designed and synthesized. The structures of the synthesized compounds were confirmed based on spectral data. Compounds 5-17 were screened using in vitro assay for their antioxidant potential and acetylcholinesterase (AChE) inhibitory activity. The 2-(6-iodo-4-oxo-3-(4-sulfamoylphenyl)-3,4-dihydroquinazolin-2-ylthio)-N-(pyrazin-2-yl) acetamide 14 was the most active scaffold with potent AChE inhibitory activity. Compound 14 showed relative safety with a median lethal dose of 300 mg/kg (LD50 = 300 mg/kg), in an acute toxicity study. The possible antioxidant and neuroprotective activities of 14 were evaluated in irradiated mice. Compound 14 possessed in vivo AChE inhibitory activity and was able to modify the brain neurotransmitters. It was able to cause mitigation of gamma radiation-induced oxidative stress verified by the decline in Myeloperoxidase (MPO) and increase of glutathione (GSH) levels. Also, 14 restored the alterations in behavioral tests. Molecular docking of 14 was performed inside MPO and AChE active sites and showed the same binding interactions as that of the co-crystallized ligands considering the binding possibilities and energy scores. These findings would support that 14 could be considered a promising antioxidant with a neuromodulatory effect.
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Affiliation(s)
- Aiten M Soliman
- Drug Chemistry Laboratory, Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt
| | - Walid M Ghorab
- Drug Chemistry Laboratory, Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt
| | - Dina M Lotfy
- Pharmacology and Toxicology Laboratory, Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt
| | - Heba M Karam
- Pharmacology and Toxicology Laboratory, Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt
| | - Mostafa M Ghorab
- Drug Chemistry Laboratory, Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, 11787, Egypt.
| | - Laila A Ramadan
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Egyptian Russian University, Cairo-Suez Road, Badr City, Cairo, 11829, Egypt
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Basirat U, Bin Tariq U, Moeen N, Jawhar ZH, Shoja SJ, Kareem AK, Ramírez-Coronel AA, Romero-Parra RM, Zabibah RS, Gupta J, Mustafa YF, Farhood B. A Systematic Review of the Chemo/Radioprotective Effects of Melatonin against Ototoxic Adverse Effects Induced by Chemotherapy and Radiotherapy. Curr Pharm Des 2023; 29:1218-1229. [PMID: 37138418 DOI: 10.2174/1381612829666230503145707] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 03/05/2023] [Accepted: 03/13/2023] [Indexed: 05/05/2023]
Abstract
BACKGROUND Although chemotherapy and radiotherapy are effective in cancer treatment, different adverse effects induced by these therapeutic modalities (such as ototoxicity) restrict their clinical use. Co-treatment of melatonin may alleviate the chemotherapy/radiotherapy-induced ototoxicity. OBJECTIVE In the present study, the otoprotective potentials of melatonin against the ototoxicity induced by chemotherapy and radiotherapy were reviewed. METHODS According to the PRISMA guideline, a systematic search was carried out to identify all relevant studies on "the role of melatonin against ototoxic damage associated with chemotherapy and radiotherapy" in the different electronic databases up to September 2022. Sixty-seven articles were screened based on a predefined set of inclusion and exclusion criteria. Seven eligible studies were finally included in this review. RESULTS The in vitro findings showed that cisplatin chemotherapy significantly decreased the auditory cell viability compared to the control group; in contrast, the melatonin co-administration increased the cell viability of cisplatin-treated cells. The results obtained from the distortion product otoacoustic emission (DPOAE) and auditory brainstem response (ABR) tests demonstrated a decreased amplitude of DPOAE and increased values of ABR I-IV interval and ABR threshold in mice/rats receiving radiotherapy and cisplatin; nevertheless, melatonin co-treatment indicated an opposite pattern on these evaluated parameters. It was also found that cisplatin and radiotherapy could significantly induce the histological and biochemical changes in the auditory cells/tissue. However, melatonin co-treatment resulted in alleviating the cisplatin/radiotherapy-induced biochemical and histological changes. CONCLUSION According to the findings, it was shown that melatonin co-treatment alleviates the ototoxic damage induced by chemotherapy and radiotherapy. Mechanically, melatonin may exert its otoprotective effects via its anti-oxidant, anti-apoptotic, and anti-inflammatory activities and other mechanisms.
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Affiliation(s)
| | | | - Nawal Moeen
- Nawaz Sharif Medical College, Gujrat, Pakistan
| | - Zanko Hassan Jawhar
- Department of Medical Laboratory Science, College of Health Sciences, Lebanese French University, Erbil, Kurdistan Region, Iraq
- Clinical Biochemistry Department, College of Health Sciences, Hawler Medical University, Erbil, Kurdistan Region, Iraq
| | - Sarah Jawad Shoja
- College of Health & Medical Technology, Al-Ayen University, Nasiriyah, Iraq
| | - Ali Kamil Kareem
- Biomedical Engineering Department, Al-Mustaqbal University College, Babylon, Iraq
| | | | | | - Rahman S Zabibah
- Medical Laboratory Technology Department, College of Medical Technology, The Islamic University, Najaf, Iraq
| | - Jitendra Gupta
- Institute of Pharmaceutical Research, GLA University, Mathura, Pin Code 281406, U.P., India
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, 41001, Iraq
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, Iran
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5
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Motallebzadeh E, Aghighi F, Vakili Z, Talaei SA, Mohseni M. Neuroprotective effects of alpha-lipoic acid on radiation-induced brainstem injury in rats. Res Pharm Sci 2023; 18:202-209. [PMID: 36873276 PMCID: PMC9976052 DOI: 10.4103/1735-5362.367798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 07/08/2022] [Accepted: 09/11/2022] [Indexed: 01/20/2023] Open
Abstract
Background and purpose Alpha-lipoic acid (ALA) is an antioxidant with radioprotective properties. We designed the current work to assess the neuroprotective function of ALA in the presence of oxidative stress induced by radiation in the brainstem of rats. Experimental approach Whole-brain radiations (X-rays) was given at a single dose of 25 Gy with or without pretreatment with ALA (200 mg/kg BW). Eighty rats were categorized into four groups: vehicle control (VC), ALA, radiation-only (RAD), and radiation + ALA (RAL). The rats were given ALA intraperitoneally 1 h before radiation and killed following 6 h, thereafter superoxide dismutase (SOD), catalase (CAT), malondialdehyde (MDA), and total antioxidant capacity (TAC) in the brainstem were measured. Furthermore, a pathological examination was carried out after 24 h, 72 h, and five days to determine tissue damage. Findings/Results The findings indicated that MDA levels in the brainstem were 46.29 ± 1.64 μM in the RAD group and decreased in the VC group (31.66 ± 1.72 μM). ALA pretreatment reduced MDA levels while simultaneously increasing SOD and CAT activity and TAC levels (60.26 ± 5.47 U/mL, 71.73 ± 2.88 U/mL, and 227.31 ± 9.40 mol/L, respectively). The greatest pathological changes in the rat's brainstems were seen in RAD animals compared to the VC group after 24 h, 72 h, and 5 days. As a result, karyorrhexis, pyknosis, vacuolization, and Rosenthal fibers vanished in the RAL group in three periods. Conclusion and implications ALA exhibited substantial neuroprotectivity following radiation-induced brainstem damage.
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Affiliation(s)
- Elham Motallebzadeh
- Physiology Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran.,Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Fatemeh Aghighi
- Physiology Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Zarichehr Vakili
- Department of Pathology, School of Medicine, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Sayyed Alireza Talaei
- Physiology Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Mehran Mohseni
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran.,Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan, I.R. Iran
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6
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Protective Potentials of Alpha-Lipoic Acid against Ionizing Radiation-Induced Brain Damage in Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:4999306. [PMID: 36778212 PMCID: PMC9918365 DOI: 10.1155/2023/4999306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/08/2023] [Accepted: 01/12/2023] [Indexed: 02/05/2023]
Abstract
Background This study was aimed at determining the effects of alpha-lipoic acid on ionizing irradiation-induced oxidative damage and apoptosis in the brain of rats. Methods The animals were exposed to whole-brain X-radiation with a 15 Gy single dose in the absence or presence of alpha-lipoic acid (200 mg/kg body weight) pretreatment for one week. The rats were divided into four groups (5 rats in each group): vehicle control, alpha-lipoic acid alone (ALA), radiation alone (RAD), and radiation plus alpha-lipoic acid (RAD+ALA). In the next stage, malondialdehyde (MDA), nitric oxide, catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GPx) in the brain tissue of the rats were measured. Furthermore, the Western blot analysis technique was performed to assess the NOX2, NOX4, and caspase-3 protein expression levels. Results Twenty-four hours after the irradiation, MDA and nitric oxide levels in the irradiated rats were significantly higher than those in the control group (p < 0.001); however, the pretreatment with alpha-lipoic acid resulted in a significant reduction in these stress oxidative markers (p < 0.05). Moreover, a significant decrease in CAT, SOD, and GPx levels was observed in the radiation group alone compared to the control group (p < 0.01); in contrast, the activities of these antioxidant enzymes significantly increased in the radiation plus alpha-lipoic acid group in comparison to the radiation group alone (p < 0.05). The results of Western blot analysis revealed that NOX2, NOX4, and caspase-3 protein expressions significantly elevated in the irradiated rats compared to the control group (p < 0.001). The pretreatment with alpha-lipoic acid could significantly decrease the expression levels of NOX2, NOX4, and caspase-3 in comparison with the radiation group alone (p < 0.05). Conclusion According to the obtained findings, it can be mentioned that the alpha-lipoic acid pretreatment could mitigate the ionizing irradiation-induced oxidative damage and apoptosis in the brain of the rats.
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7
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Li D, Pan JH, Huang XF, Liao YQ, Ling YJ, Luo JY. Effect of melatonin on oxidative stress indicators in animal models of fibrosis: A systematic review and meta-analysis. Free Radic Biol Med 2023; 195:158-177. [PMID: 36586451 DOI: 10.1016/j.freeradbiomed.2022.12.094] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/20/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND AND OBJECTIVE Imbalance of oxidative stress has been detected in a range of fibrotic diseases. Melatonin as an indoleamine hormone plays an important role in regulating the circadian rhythm of human, while in recent years, its antioxidant effect has also attracted increasing attention. This study aimed to perform a systematic review and meta-analysis to comprehensively evaluate the antioxidant effect of melatonin in animal models of fibrosis. METHODS The PubMed, Cochrane Library, EMBASE, Web of Science, China National Knowledge Infrastructure (CNKI), Wanfang database, China Science and Technology Journal Database (VIP), and SinoMed databases were searched from inception to March 1st, 2022 to retrieve eligible studies that evaluated the effect of melatonin supplementation on the levels of malondialdehyde (MDA), lipid peroxidation (LPO), nitric oxide (NO), superoxide dismutase (SOD), glutathione (GSH), glutathione peroxidase (GPx), and catalase (CAT) in animal models of fibrosis. RESULTS A total of 64 studies were included in this meta-analysis. The results showed that melatonin supplementation significantly reduced the levels of oxidative indicators including MDA (P < 0.00001), LPO (P < 0.00001) and NO (P < 0.0001), and elevated the levels of antioxidant indicators including GSH (P < 0.00001), GPx (P < 0.00001) and SOD (P < 0.00001) in fibrotic diseases. CONCLUSIONS Our research findings showed that melatonin supplementation could significantly reduce the levels of oxidative indicators including MDA, LPO and NO and elevate the levels of antioxidant indicators including GSH, GPx and SOD so as to correct oxidative stress in animal models of fibrosis. However, no significant changes were observed in CAT level. More clinical studies are needed to further confirm the beneficial role of melatonin in fibrotic diseases.
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Affiliation(s)
- Dan Li
- Department of Dermatology, The Second Affiliated Hospital of Guilin Medical University, 212 Ren-Min Road, Guilin, Guangxi, 541199, China
| | - Jun-Hua Pan
- Department of Dermatology, The Second Affiliated Hospital of Guilin Medical University, 212 Ren-Min Road, Guilin, Guangxi, 541199, China
| | - Xiao-Fang Huang
- Department of Dermatology, The Second Affiliated Hospital of Guilin Medical University, 212 Ren-Min Road, Guilin, Guangxi, 541199, China
| | - Yu-Qing Liao
- Department of Dermatology, The Second Affiliated Hospital of Guilin Medical University, 212 Ren-Min Road, Guilin, Guangxi, 541199, China
| | - Yong-Jin Ling
- Department of Dermatology, The Second Affiliated Hospital of Guilin Medical University, 212 Ren-Min Road, Guilin, Guangxi, 541199, China
| | - Jing-Ying Luo
- Department of Dermatology, The Second Affiliated Hospital of Guilin Medical University, 212 Ren-Min Road, Guilin, Guangxi, 541199, China.
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Li Q, Zhang Y, Hu J, Yuan B, Zhang P, Wang Y, Jin X, Du L, Jin Y. The Improved Brain-Targeted Drug Delivery of Edaravone Temperature-Sensitive Gels by Ultrasound for γ-ray Radiation-Induced Brain Injury. Pharmaceutics 2022; 14:2281. [PMID: 36365100 PMCID: PMC9698875 DOI: 10.3390/pharmaceutics14112281] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/17/2022] [Accepted: 10/21/2022] [Indexed: 08/30/2023] Open
Abstract
Radiation-induced brain injury (RBI) is a common neurological disease caused by ionizing radiation (IR). Edaravone (EDA) is a free radical scavenger, has the potential to treat RBI. EDA loaded temperature-sensitive gels (TSGs) were prepared for subcutaneous injection to improve inconvenient administration of intravenous infusion. RBI mice model was established by irradiation of 60Co γ-ray on head. EDA TSGs could improve spontaneous behavior, learning and memory and anxiety of RBI mice by behavior tests, including the open field test, the novel object recognition test, the elevated plus maze test and the fear conditioning test. The therapeutic effects were enhanced with the assistance of ultrasound. Alleviative pathological changes, decreased the expression of Molondialdehyde (MDA) and Interleukin-6 (IL-6) in the hippocampus of brain, indicated reduced oxidative stress and inflammatory response with the treatment of EDA TSGs and ultrasound. Moreover, ultrasound was superior to the use of EDA TSGs. Safe and effective EDA TSGs were prepared for RBI, and the feasibility of brain-targeted drug delivery enhanced by ultrasound was preliminarily demonstrated in this study.
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Affiliation(s)
- Qian Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Yizhi Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jinglu Hu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Bochuan Yuan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Pengcheng Zhang
- Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yaxin Wang
- Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Xu Jin
- Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Lina Du
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- School of Pharmacy, Henan University, Kaifeng 475004, China
| | - Yiguang Jin
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
- School of Pharmacy, Henan University, Kaifeng 475004, China
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Li M, Yang N, Hao L, Zhou W, Li L, Liu L, Yang F, Xu L, Yao G, Zhu C, Xu W, Fang S. Melatonin Inhibits the Ferroptosis Pathway in Rat Bone Marrow Mesenchymal Stem Cells by Activating the PI3K/AKT/mTOR Signaling Axis to Attenuate Steroid-Induced Osteoporosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8223737. [PMID: 36035224 PMCID: PMC9410838 DOI: 10.1155/2022/8223737] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 07/11/2022] [Accepted: 07/14/2022] [Indexed: 12/12/2022]
Abstract
Steroid-induced osteoporosis (SIOP) is a form of secondary osteoporosis, but its specific mechanism remains unclear. Glucocorticoid (GC-)-induced death of osteoblasts and bone marrow mesenchymal stem cells (BMSCs) is an important factor in SIOP. Ferroptosis is an iron-dependent type of programmed cell death and can be induced by many factors. Herein, we aimed to explore whether GCs cause ferroptosis of BMSCs, identify pathways as possible therapeutic targets, and determine the underlying mechanisms of action. In this study, we used high-dose dexamethasone (DEX) to observe whether GCs induce ferroptosis of BMSCs. Additionally, we established a rat SIOP model and then assessed whether melatonin (MT) could inhibit the ferroptosis pathway to provide early protection against GC-induced SIOP and investigated the signaling pathways involved. In vitro experiments confirmed that DEX induces ferroptosis in BMSCs. MT significantly alleviates GC-induced ferroptosis of BMSCs. Pathway analysis showed that MT ameliorates ferroptosis by activating the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT)/mammalian target of rapamycin (mTOR) axis. MT upregulates the expression of PI3K, which is an important regulator of ferroptosis resistance. PI3K activators mimic the antiferroptotic effect of MT, but when the PI3K pathway is blocked, the effect of MT is weakened. Using in vivo experiments, we confirmed the in vitro results and observed that MT can obviously protect against SIOP induced by GC. Notably, even after the initiation of GC-induced ferroptosis, MT can confer protection against SIOP. Our research confirms that GC-induced ferroptosis is closely related to SIOP. MT can inhibit ferroptosis by activating the PI3K/AKT/mTOR signaling pathway, thereby inhibiting the occurrence of SIOP. Therefore, MT may be a novel agent for preventing and treating SIOP.
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Affiliation(s)
- Meng Li
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Ning Yang
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Li Hao
- Department of Oncology, The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Wei Zhou
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Lei Li
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Lei Liu
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Fang Yang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230022 Anhui, China
| | - Lei Xu
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Gang Yao
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Chen Zhu
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Wei Xu
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
| | - Shiyuan Fang
- Department of Orthopaedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Lujiang Road No. 17, Hefei, 230001 Anhui, China
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10
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Bicer Y, Elbe H, Karayakali M, Yigitturk G, Yilmaz U, Cengil O, Al Gburi MRA, Altinoz E. Neuroprotection by melatonin against acrylamide-induced brain damage in pinealectomized rats. J Chem Neuroanat 2022; 125:102143. [PMID: 35952951 DOI: 10.1016/j.jchemneu.2022.102143] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 11/29/2022]
Abstract
The current study aimed to evaluate the neuroprotective effect of exogenous melatonin against acrylamide (ACR)-induced oxidative stress and inflammatory and apoptotic responses in the brain tissues in pinealectomized rats (PINX). ACR is a toxic chemical carcinogen that occurs owing to the preparation of carbohydrate-rich foods at high temperatures or other thermal processes. The rats who underwent pinealectomy and sham pinealectomy were exposed to ACR (25 mg/kg b.w., orally) alone or with exogenous melatonin (10 mg/kg b.w., i.p.) for 21 consecutive days. Alterations of brain oxidant/antioxidant status, dopamine (DA), Brain-Derived Neurotropic Factor (BDNF) inflammatory mediator and apoptosis during exposure to ACR in pinealectomized rats were more than without pinealectomized rats. Histopathological changes were more in brain tissue of pinealectomized rats after ACR administration. Exogenous melatonin treatment in ACR -exposed rats following pinealectomy increased the activities of antioxidant enzymes such as superoxide dismutase (SOD) and catalase (CAT) and improved brain total antioxidant status (TAS) compared to PINX+ACR. Moreover, melatonin suppressed lipid peroxidation, inflammatory pathways and apoptosis in ACR-intoxicated brain tissues. In addition, after exposure to ACR on pinealectomized rats, melatonin treatment ameliorated BDNF and DA levels in brain tissues. Furthermore, exogenous melatonin intervention in ACR-intoxicated rats significantly rescued the architecture of neuronal tissues. In summary, the present study, for the first time, suggested that exogenous melatonin treatment could reduce oxidative damage by increasing the activities of antioxidant enzymes, inhibiting lipid peroxidation and inflammation, and improving histopathological alterations in the brain tissue of pinealectomized rats after ACR administration.
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Affiliation(s)
- Yasemin Bicer
- Department of Medical Biochemistry, Faculty of Medicine, Karabuk University, Karabuk, Turkey
| | - Hulya Elbe
- Department of Histology and Embryology, Faculty of Medicine, Mugla Sıtkı Kocman University, Mugla, Turkey
| | - Melike Karayakali
- Department of Medical Biochemistry, Faculty of Medicine, Karabuk University, Karabuk, Turkey
| | - Gurkan Yigitturk
- Department of Histology and Embryology, Faculty of Medicine, Mugla Sıtkı Kocman University, Mugla, Turkey
| | - Umit Yilmaz
- Department of Physiology, Faculty of Medicine, Karabuk University, Karabuk, Turkey
| | - Osman Cengil
- Faculty of Medicine, Zonguldak Bulent Ecevit University, Zonguldak, Turkey
| | | | - Eyup Altinoz
- Department of Medical Biochemistry, Faculty of Medicine, Karabuk University, Karabuk, Turkey.
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11
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Zhang Y, Zhang X, Yan Q, Xu C, Liu Q, Shen Y, Xu J, Wang G, Zhao P. Melatonin attenuates polystyrene microplastics induced motor neurodevelopmental defect in zebrafish (Danio rerio) by activating nrf2 - isl2a Axis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113754. [PMID: 35709674 DOI: 10.1016/j.ecoenv.2022.113754] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/25/2022] [Accepted: 06/05/2022] [Indexed: 06/15/2023]
Abstract
Microplastics, a new type of ecological pollutant, have now become a major environmental concern worldwide. Polystyrene microplastics (PS), one of the most abundant form of microplastics, cause deleterious effects across species. Melatonin (MT), which is secreted by pineal gland, exhibits protective role against pollutant-induced damage. However, whether MT could ameliorate PS-induced neurodevelopmental toxicity remain unclear. In our study, zebrafish embryos were treated with PS (0.5, 25 mg/L) in the presence or absence of MT (1 μM) from 4 h post-fertilization (hpf) to 144 hpf. Locomotion behavior, oxidative stress, apoptosis, proliferation and development of caudal primary (Cap) motoneuron axon were analyzed. Gene expression was determined by qRT-PCR or whole-mount in situ hybridization. Results showed that PS exposure significantly reduced swimming speed of zebrafish larvae and induced excessive reactive oxygen species (ROS), apoptosis and aberrant proliferation. In addition, PS treatment markedly shortened the length of Cap motoneuron axons and decreased expression of neurodevelopment related genes. While, MT administration considerably rescued the neurodevelopmental toxicity of PS. Mechanistically, MT activated nrf2 (nuclear factor-E2-related factor 2) - isl2a (ISL LIM homeobox 2a) axis to antagonize the side effects of PS. In all, our findings suggest that PS exposure during early life lead to aberrant neurodevelopment of zebrafish, and MT might be a therapeutic option for protecting such disorder.
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Affiliation(s)
- Yi Zhang
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xin Zhang
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qing Yan
- Department of Neurosurgery, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Cheng Xu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qian Liu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China; State Key Laboratory of Reproductive Medicine (Suzhou Centre), Gusu School, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yuehong Shen
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jin Xu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China; Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Maternal, Child and Adolescent Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Gang Wang
- Department of Neurosurgery, Children's Hospital of Nanjing Medical University, Nanjing, China.
| | - Peng Zhao
- Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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12
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Motallebzadeh E, Suliman Maashi M, Z.Mahmoud M, Aliasgharzedeh A, Vakili Z, Talaei SA, Mohseni M. Radioprotective effects of N-acetylcysteine on rats’ brainstem following megavoltage X-irradiations. Appl Radiat Isot 2022; 187:110348. [DOI: 10.1016/j.apradiso.2022.110348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 05/25/2022] [Accepted: 06/23/2022] [Indexed: 11/24/2022]
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13
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Calcitriol ameliorates brain injury in the rat model of cerebral ischemia-reperfusion through Nrf2/HO-1 signalling axis: An in silico and in vivo study. J Stroke Cerebrovasc Dis 2022; 31:106331. [PMID: 35306470 DOI: 10.1016/j.jstrokecerebrovasdis.2022.106331] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/12/2022] [Accepted: 01/18/2022] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVES Calcitriol has been revealed to exert neuroprotective effects in ischemic stroke; however, its role and the underlying mechanisms in brain injury induced by ischemia are not well known. The purpose of this study was to determine the neuroprotective effects of calcitriol pretreatment and to assess the possible neuroprotective function of nuclear factor erythroid 2-related factor 2 (Nrf2)/ heme oxygenase-1 (HO-1) signalling pathway against brain ischemia/reperfusion (I/R) injury in the rat models which was followed by a bioinformatics approach. METHODS The experimental I/R model induction was performed in male Wistar rats for 1 h followed by 23 h reperfusion. Calcitriol was administered intraperitoneally for 7 days prior to stroke. Following ischemia induction 24 h later, neurobehavioral deficits and infarction volume were examined. Oxidative stress was assessed by measurement of malondialdehyde (MDA), nitric oxide (NO) and total antioxidant capacity (TAC). The protein and mRNA expression of HO-1 and Nrf2 were determined by western blot and reverse transcription polymerase chain reaction (RT-PCR), respectively. A molecular docking approach was applied to identify the interaction value of Keap1 with calcitriol. RESULTS Our data demonstrated that calcitriol significantly decreased infarction volume and ameliorated neurological deficits in brain I/R. MDA and NO levels were decreased and TAC level was elevated significantly after calcitriol pretreatment. Furthermore, calcitriol upregulated the expression of HO-1 and Nrf2 protein and mRNA in ischemic brain. Molecular modelling demonstrated that calcitriol could interact with the pocket of Keap1 by an appropriate binding energy. CONCLUSIONS The results indicate that calcitriol protects the brain against I/R injury. This effect may pass through inhibition of oxidative stress and Nrf2/HO-1 pathway activation and this may arise by interaction of Keap1 and calcitriol.
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14
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Lalkovicova M. Neuroprotective agents effective against radiation damage of central nervous system. Neural Regen Res 2022; 17:1885-1892. [PMID: 35142663 PMCID: PMC8848589 DOI: 10.4103/1673-5374.335137] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Ionizing radiation caused by medical treatments, nuclear events or even space flights can irreversibly damage structure and function of brain cells. That can result in serious brain damage, with memory and behavior disorders, or even fatal oncologic or neurodegenerative illnesses. Currently used treatments and drugs are mostly targeting biochemical processes of cell apoptosis, radiation toxicity, neuroinflammation, and conditions such as cognitive-behavioral disturbances or others that result from the radiation insult. With most drugs, the side effects and potential toxicity are also to be considered. Therefore, many agents have not been approved for clinical use yet. In this review, we focus on the latest and most effective agents that have been used in animal and also in the human research, and clinical treatments. They could have the potential therapeutical use in cases of radiation damage of central nervous system, and also in prevention considering their radioprotecting effect of nervous tissue.
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Affiliation(s)
- Mária Lalkovicova
- Laboratory of Radiation Biology, Joint Institute for Nuclear Research, Dubna, Russia; Slovak Academy of Sciences, Institute of Experimental Physics, Košice, Slovakia
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15
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Yildirim S, Ozkan A, Aytac G, Agar A, Tanriover G. Role of melatonin in TLR4-mediated inflammatory pathway in the MTPT-induced mouse model. Neurotoxicology 2021; 88:168-177. [PMID: 34808223 DOI: 10.1016/j.neuro.2021.11.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 09/08/2021] [Accepted: 11/17/2021] [Indexed: 12/21/2022]
Abstract
Neuroinflammation has an essential role in various neurodegenerative diseases including Parkinson's disease (PD). Microglial activation as a result of neuroinflammation exacerbates the pathological consequences of the disease. The toxic effect of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) causes alpha-synuclein (α-synuclein) accumulation, which leads to dopaminergic neuron death in the MPTP-induced mouse model. Toll-like receptor 4 (TLR4) stimulates release of cytokine through NF-kB by activating glial cells, thus resulting in the death of dopaminergic neurons. Melatonin has the ability to cross the blood-brain barrier and protect neurons through anti-inflammatory properties. We hypothesized that melatonin could suppress TLR4-mediated neuroinflammation, decrease cytokine release due to the inflammatory response, and reduce dopaminergic neuron loss in the MPTP-induced mouse model. In the MPTP-induced mouse model, we aimed to assess the neuroinflammatory responses caused by TLR4 activation as well as the effect of melatonin on these responses. Three-month-old male C57BL/6 mice were randomly divided into five groups; Control (Group-C), Sham (Group-S), Melatonin-treated (Group-M), MPTP-injected (Group-P), and MPTP + melatonin-injected (Group-P + M). MPTP toxin (20 mg/kg) was dissolved in saline and intraperitoneally (i.p.) injected to mice for two days with 12 h intervals. The total dose per mouse was 80 mg/kg. Melatonin was administered (20 mg/kg) intraperitoneally to Group-M and Group-P + M twice a day for five days. Eight days after starting the experiment, the motor activities of mice were evaluated by locomotor activity tests. The effects on dopamine neurons in the SNPc was determined by tyrosine hydroxylase (TH) immunohistochemistry. TLR4, α-synuclein, and p65 expression was evaluated by immunostaining as well. The amount of TNF-alpha in the total brain was evaluated by western blot analysis. In our results seen that locomotor activity was lower in Group-P compared to Group-C. However, melatonin administration was improved this impairment. MPTPcaused decrease in TH immuno-expression in dopaminergic neurons in Group-P. TLR4 (p < 0.001), α-synuclein (p < 0.001), and p65 (p < 0.01) immuno-expressions were also decreased in Group-P+M compared to Group-P (using MPTP). TNF-α expression was lower in Group-C, Group-S, Group-M, and Group-P+M, when compared to Group-P (p < 0.0001) due to the absence of inflammatory response. In conclusion, our study revealed that melatonin administration reduced α-synuclein aggregation and TLR4-mediated inflammatory response in the MPTP-induced mouse model.
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Affiliation(s)
- Sendegul Yildirim
- Akdeniz University, Faculty of Medicine, Department of Histology and Embryology, Antalya, Turkey
| | - Ayse Ozkan
- Akdeniz University, Faculty of Medicine, Department of Physiology, Antalya, Turkey
| | - Gunes Aytac
- TOBB University of Economics & Technology, Faculty of Medicine, Department of Anatomy, Ankara, Turkey; University of Hawai'i at Mānoa, John A. Burns School of Medicine, Department of Anatomy, Biochemistry & Physiology, Hawaii, USA
| | - Aysel Agar
- Akdeniz University, Faculty of Medicine, Department of Physiology, Antalya, Turkey
| | - Gamze Tanriover
- Akdeniz University, Faculty of Medicine, Department of Histology and Embryology, Antalya, Turkey; Akdeniz University, Faculty of Medicine, Department of Medical Biotechnology, Antalya, Turkey.
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16
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Abdel-Naby DH, Deghiedy NM, Rashed RR, El-Ghazaly MA. Tailoring of chitosan/diacrylated pluronic system as a versatile nanoplatform for the amelioration of radiation-induced cognitive dysfunction. Int J Biol Macromol 2021; 193:1507-1521. [PMID: 34740686 DOI: 10.1016/j.ijbiomac.2021.10.214] [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: 08/13/2021] [Revised: 10/20/2021] [Accepted: 10/28/2021] [Indexed: 11/26/2022]
Abstract
Rutin (RUT) is a biologically active flavonoid that is reported to modulate radiation-induced brain dysfunctions. However, RUT's poor water solubility and low brain bioavailability limit its clinical use. To increase its brain bioavailability, RUT was loaded onto nanoplatforms based on chitosan/diacrylated pluronic (CS/DA-PLUR) nanogels synthesized by gamma radiation. The optimized formulation was investigated as a carrier system for RUT. Based on pilot experiments' results, the cranial radiation (CR) dose that induced cognitive dysfunction was selected. In the main experiment, rats were pre-treated orally with either free RUT or RUT-CS/DA-PLUR. Rats' cognitive and motor functions were assessed; 24 h later, rats were sacrificed, and the whole brain was separated for histopathological examination and biochemical estimation of brain content of acetylcholine esterase (AChE), neurotransmitters, oxidative stress markers, and interleukin-1β. CR produced prominent impairment in spatial and non-spatial learning memory, motor coordination, and muscular strength. Moreover, histopathological and biochemical alterations in brain contents of neurotransmitters, oxidative stress, and interleukin-1β were induced by CR. Conversely, RUT-CS/DA-PLUR, but not free RUT, successfully guarded against all the detrimental effects induced by CR. Based on the current findings, loading of RUT enhanced its bioavailability and therapeutic effectiveness by restoring the cognitive functions impaired by CR.
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Affiliation(s)
- Doaa H Abdel-Naby
- Department of Drug Radiation Research, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority, 3 Ahmed El-Zomor Street, Nasr City, Cairo, Egypt.
| | - Noha M Deghiedy
- Department of Polymers Chemistry, NCRRT, Egyptian Atomic Energy Authority, 3 Ahmed El-Zomor Street, Nasr City, Cairo, Egypt
| | - Rasha R Rashed
- Department of Drug Radiation Research, NCRRT, Egyptian Atomic Energy Authority, 3 Ahmed El-Zomor Street, Nasr City, Cairo, Egypt
| | - Mona A El-Ghazaly
- Department of Drug Radiation Research, NCRRT, Egyptian Atomic Energy Authority, 3 Ahmed El-Zomor Street, Nasr City, Cairo, Egypt
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17
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Banikazemi Z, Mirazimi SM, Dashti F, Mazandaranian MR, Akbari M, Morshedi K, Aslanbeigi F, Rashidian A, Chamanara M, Hamblin MR, Taghizadeh M, Mirzaei H. Coumarins and Gastrointestinal Cancer: A New Therapeutic Option? Front Oncol 2021; 11:752784. [PMID: 34707995 PMCID: PMC8542999 DOI: 10.3389/fonc.2021.752784] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/20/2021] [Indexed: 12/24/2022] Open
Abstract
Cancers of the gastrointestinal (GI) tract are often life-threatening malignancies, which can be a severe burden to the health care system. Globally, the mortality rate from gastrointestinal tumors has been increasing due to the lack of adequate diagnostic, prognostic, and therapeutic measures to combat these tumors. Coumarin is a natural product with remarkable antitumor activity, and it is widely found in various natural plant sources. Researchers have explored coumarin and its related derivatives to investigate their antitumor activity, and the potential molecular mechanisms involved. These mechanisms include hormone antagonists, alkylating agents, inhibitors of angiogenesis, inhibitors of topoisomerase, inducers of apoptosis, agents with antimitotic activity, telomerase inhibitors, inhibitors of human carbonic anhydrase, as well as other potential mechanisms. Consequently, drug design and discovery scientists and medicinal chemists have collaborated to identify new coumarin-related agents in order to produce more effective antitumor drugs against GI cancers. Herein, we summarize the therapeutic effects of coumarin and its derivatives against GI cancer.
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Affiliation(s)
- Zarrin Banikazemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Seyed Mohammad Mirazimi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran.,School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Fatemeh Dashti
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran.,School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Reza Mazandaranian
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Akbari
- Department of Surgery, Kashan University of Medical Sciences, Kashan, Iran
| | - Korosh Morshedi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran.,School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Fatemeh Aslanbeigi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran.,School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Amir Rashidian
- Department of Pharmacology, School of Medicine, Aja University of Medical Sciences, Tehran, Iran
| | - Mohsen Chamanara
- Department of Pharmacology, School of Medicine, Aja University of Medical Sciences, Tehran, Iran.,Toxicology Research Center, Aja University of Medical Sciences, Tehran, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Mohsen Taghizadeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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18
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Tobeiha M, Rajabi A, Raisi A, Mohajeri M, Yazdi SM, Davoodvandi A, Aslanbeigi F, Vaziri M, Hamblin MR, Mirzaei H. Potential of natural products in osteosarcoma treatment: Focus on molecular mechanisms. Biomed Pharmacother 2021; 144:112257. [PMID: 34688081 DOI: 10.1016/j.biopha.2021.112257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/21/2021] [Accepted: 09/26/2021] [Indexed: 02/07/2023] Open
Abstract
Osteosarcoma is the most frequent type of bone cancer found in children and adolescents, and commonly arises in the metaphyseal region of tubular long bones. Standard therapeutic approaches, such as surgery, chemotherapy, and radiation therapy, are used in the management of osteosarcoma. In recent years, the mortality rate of osteosarcoma has decreased due to advances in treatment methods. Today, the scientific community is investigating the use of different naturally derived active principles against various types of cancer. Natural bioactive compounds can function against cancer cells in two ways. Firstly they can act as classical cytotoxic compounds by non-specifically affecting macromolecules, such as DNA, enzymes, and microtubules, which are also expressed in normal proliferating cells, but to a greater extent by cancer cells. Secondly, they can act against oncogenic signal transduction pathways, many of which are activated in cancer cells. Some bioactive plant-derived agents are gaining increasing attention because of their anti-cancer properties. Moreover, some naturally-derived compounds can significantly promote the effectiveness of standard chemotherapy drugs, and in certain cases are able to ameliorate drug-induced adverse effects caused by chemotherapy. In the present review we summarize the effects of various naturally-occurring bioactive compounds against osteosarcoma.
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Affiliation(s)
- Mohammad Tobeiha
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Ali Rajabi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Arash Raisi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Mahshad Mohajeri
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Amirhossein Davoodvandi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran; Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Fatemeh Aslanbeigi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran; Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - MohamadSadegh Vaziri
- Student Research Committee, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa.
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran.
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19
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Kawvised S, Prabsattroo T, Munkong W, Pattum P, Iamsaard S, Boonsirichai K, Uttayarat P, Maikaeo L, Sudchai W, Kirisattayakul W. Polygonum odoratum leaf extract attenuates oxidative stress and cell death of Raw 264.7 cells exposed to low dose ionizing radiation. J Food Biochem 2021; 46:e13909. [PMID: 34423456 DOI: 10.1111/jfbc.13909] [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: 04/22/2021] [Revised: 07/15/2021] [Accepted: 08/11/2021] [Indexed: 01/03/2023]
Abstract
This study aims to investigate the effect of Polygonum odoratum leaf extract (POE) on oxidative stress markers and cell death induced by low dose ionizing radiation (LDIR) in Raw 264.7 cells. The biological activities, chromatographic fingerprint, and cytotoxicity of POE were investigated. To determine the radioprotective effect of POE, Raw 264.7 cells were incubated with POE for 1 hr prior to 100 mGy x-irradiation. The cell viability, oxidative stress damage marker (malondialdehyde level; MDA), and endogenous antioxidant markers (superoxide dismutase: SOD, catalase: CAT, and glutathione peroxidase: GSH-Px) were also determined. The results showed that POE contained 8 essential substances and exhibited a potent antioxidant without any cytotoxicity. It was found that POE significantly decreased the MDA level and activated cell viability, SOD, CAT, and GSH-Px activities. The results from this study indicate that POE is a potent antioxidant, which can be developed as a radioprotector for diagnostic procedures. PRACTICAL APPLICATIONS: Polygonum odoratum leaf extract (POE) is a potent antioxidant that attenuates oxidative stress and cell death induced by low dose ionizing radiation (LDIR). POE might protect against cell damage from LDIR, particularly in diagnostic radiology procedures. Therefore, the development of functional food containing POE might be beneficial for patients who plan to undergo the diagnostic radiology procedure. The functional food containing POE might prevent stochastic and deterministic effects for these patients.
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Affiliation(s)
- Supannika Kawvised
- Radiological Technology School, Faculty of Health Science Technology, HRH Princess Chulabhorn College of Medical Science, Chulabhorn Royal Academy, Bangkok, Thailand
| | - Thawatchai Prabsattroo
- Department of Radiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Neurovascular Radiology and Neurointervention Research Group, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Waranon Munkong
- Department of Radiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Neurovascular Radiology and Neurointervention Research Group, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Panuwat Pattum
- Department of Radiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Neurovascular Radiology and Neurointervention Research Group, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Sittichai Iamsaard
- Neurovascular Radiology and Neurointervention Research Group, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | | | - Pimporn Uttayarat
- Thailand Institute of Nuclear Technology (Public Organization), Nakhon Nayok, Thailand
| | - Lamai Maikaeo
- Thailand Institute of Nuclear Technology (Public Organization), Nakhon Nayok, Thailand
| | - Waraporn Sudchai
- Thailand Institute of Nuclear Technology (Public Organization), Nakhon Nayok, Thailand
| | - Woranan Kirisattayakul
- Department of Radiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Neurovascular Radiology and Neurointervention Research Group, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
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20
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Jafarpour SM, Shekarchi B, Bagheri H, Farhood B. The Radioprotective Effects of Melatonin and Nanoselenium on DNA Double-Strand Breaks in Peripheral Lymphocytes Caused by I-131. Indian J Nucl Med 2021; 36:134-139. [PMID: 34385783 PMCID: PMC8320833 DOI: 10.4103/ijnm.ijnm_179_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/28/2020] [Accepted: 10/03/2020] [Indexed: 12/30/2022] Open
Abstract
Background: One of the treatment modalities for thyroid cancer and hyperthyroidism is radioiodine-131 (I-131) therapy. The use of this therapeutic modality is not completely safe and can lead to oxidative stress, eventually DNA damages. However, these radiation-induced damages can be reduced by antioxidants. This study aimed to investigate the potential radioprotective effects of melatonin and selenium nanoparticles (SeNPs) on DNA double-stranded breaks (DSBs) caused by I-131. Materials and Methods: After obtaining informed consent, 6 ml blood was taken from each volunteer. The samples were divided into two general groups of control (without I-131) and with I-131. Each group was also divided into three subgroups, including without antioxidant, melatonin, and SeNPs. The samples of control group were incubated for 2 h after adding the antioxidants. The samples of I-131 group were first incubated for 1 h with the antioxidants and then the samples re-incubated for another 1 h after adding the I-131. Then, the samples were prepared for γH2AX assay. Results: The findings showed that after 1 h of incubation with 20 μCi I-131/2 mL, the DSB levels increased by 102.9% in comparison with the control group. In the I-131 group, there were significant reductions of the DSB levels after incubation with melatonin (P < 0.001) and SeNPs (P < 0.001) in comparison with the without antioxidant subgroup. Furthermore, the DSB levels at the melatonin + I-131 and the SeNPs + I-131 subgroups decreased to 38% and 30%, respectively, compared to the I-131 subgroup. Conclusion: According to the obtained findings, it can be concluded that the use of melatonin and SeNPs (as radioprotector agents) can reduce the DSB levels induced by I-131 in peripheral lymphocytes.
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Affiliation(s)
- Seyed Masoud Jafarpour
- Radiation Sciences Research Center (RSRC), AJA University of Medical Sciences, Tehran, Iran
| | - Babak Shekarchi
- Radiation Sciences Research Center (RSRC), AJA University of Medical Sciences, Tehran, Iran
| | - Hamed Bagheri
- Radiation Sciences Research Center (RSRC), AJA University of Medical Sciences, Tehran, Iran
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedicine, Kashan University of Medical Sciences, Kashan, Iran
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21
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Sheikholeslami S, Khodaverdian S, Dorri-Giv M, Mohammad Hosseini S, Souri S, Abedi-Firouzjah R, Zamani H, Dastranj L, Farhood B. The radioprotective effects of alpha-lipoic acid on radiotherapy-induced toxicities: A systematic review. Int Immunopharmacol 2021; 96:107741. [PMID: 33989970 DOI: 10.1016/j.intimp.2021.107741] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/16/2021] [Accepted: 04/27/2021] [Indexed: 12/13/2022]
Abstract
PURPOSE Radiation therapy is one of the main cancer treatment modalities applied in 50-70% of cancer patients. Despite the many advantages of this treatment, such as non-invasiveness, organ-preservation, and spatiotemporal flexibility in tumor targeting, it can lead to complications in irradiated healthy cells/tissues. In this regard, the use of radio-protective agents can alleviate radiation-induced complications. This study aimed to review the potential role of alpha-lipoic acid in the prevention/reduction of radiation-induced toxicities on healthy cells/tissues. METHODS A systematic search was performed following PRISMA guidelines to identify relevant literature on the "role of alpha-lipoic acid in the treatment of radiotherapy-induced toxicity" in the electronic databases of Web of Science, Embase, PubMed, and Scopus up to January 2021. Based on the inclusion and exclusion criteria of the present study, 278 articles were screened. Finally, 29 articles were included in this systematic review. RESULTS The obtained results showed that in experimental in vivo models, the radiation-treated groups had decreased survival rate and body weight compared to the control groups. It was also found that radiation can induce mild to severe toxicities on gastrointestinal, circulatory, reproductive, central nervous, respiratory, endocrine, exocrine systems, etc. However, the use of alpha-lipoic acid could alleviate the radiation-induced toxicities in most cases. This radio-protective agent exerts its effects through mechanisms of anti-oxidant, anti-apoptosis, anti-inflammatory, and so on. CONCLUSION According to the obtained results, it can be mentioned that co-treatment of alpha-lipoic acid with radiotherapy ameliorates the radiation-induced toxicities in healthy cells/tissues.
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Affiliation(s)
- Sahar Sheikholeslami
- Department of Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Shaghayegh Khodaverdian
- Department of Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Masoumeh Dorri-Giv
- Nuclear Medicine Research Center, Department of Nuclear Medicine, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyyed Mohammad Hosseini
- Department of Medical Physics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shokoufeh Souri
- Department of Medical Physics, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Hamed Zamani
- Department of Medical Physics, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Leila Dastranj
- Department of Physics, Hakim Sabzevari Universuty, Sabzevar, Iran.
| | - Bagher Farhood
- Department of Medical Physics and Radiology, Faculty of Paramedical Sciences, Kashan University of Medical Sciences, Kashan. Iran.
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22
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Amer ME, Othamn AI, El-Missiry MA. Melatonin ameliorates diabetes-induced brain injury in rats. Acta Histochem 2021; 123:151677. [PMID: 33401187 DOI: 10.1016/j.acthis.2020.151677] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 12/23/2020] [Accepted: 12/24/2020] [Indexed: 01/30/2023]
Abstract
Diabetic brain is a serious complication of diabetes, and it is associated with oxidative stress and neuronal injury. This study investigated the protective effect of melatonin (MLT) on diabetes-induced brain injury. A rat model of type 2 diabetes mellitus was produced by intraperitoneal injection of nicotinamide 100 mg/kg, followed by intraperitoneal injection of streptozotocin 55 mg/kg. The diabetic rats were orally administered MLT 10 mg/kg of body weight for 15 days. MLT remarkably downregulated serum glucose levels. It also improved levels of the lipid peroxidation product 4-hydroxynonenal, improved levels of antioxidants including glutathione, glutathione peroxidase and glutathione reductase in the brains of the diabetic rats, and this is indicative of the antioxidant potential of MLT. MLT also prevented increase in homocysteine, amyloid-β42 and tau levels in diabetic rats, and this suggests that it can reduce the risk of dementia. This is associated with reduction in the levels of the dopamine, serotonin, and glutamate and is indicative of the regulatory effect of MLT on neurotransmitters. Treatment with MLT improved diabetes-induced structural alteration in the hippocampus and cerebral cortex. MLT significantly reduced caspase-3 and Bax as well as significantly increase Bcl-2 protein and GFAP-positive astrocytes indicating its anti-apoptotic effect. MLT showed remarkable ameliorative effect against biochemical and molecular alterations in the brains of diabetic rats most likely through its antioxidant property.
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Affiliation(s)
- Maggie E Amer
- Faculty of Science, Mansoura University, Mansoura, Egypt.
| | - Azza I Othamn
- Faculty of Science, Mansoura University, Mansoura, Egypt
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23
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Al-Gholam MA, Issa NM. Effect of cypermethrin on the postnatal development of the medulla oblongata and the possible protective role of melatonin in albino rats. Anat Cell Biol 2020; 53:460-470. [PMID: 33361544 PMCID: PMC7769100 DOI: 10.5115/acb.20.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/01/2020] [Accepted: 09/16/2020] [Indexed: 11/27/2022] Open
Abstract
Previous studies have shown that cypermethrin (CYP), a broad spectrum pesticide has a teratogenic effect on rat offspring born to an exposed dam with no information on its effect on the development of the brain. To the best of our knowledge, this research is the first attempt to study the postnatal development medulla oblongata of rat offspring exposed to CYP during the perinatal period and the possible neuroprotective role of melatonin. The offspring of treated female rats were organized into control, melatonin (1 mg/kg/day orally); CYP (12 mg/kg/day orally); and CYP/melatonin groups. The mothers received treatments from day 6 of gestation until day 21 after birth. At Postnatal days 7 and 21, the animals were sacrificed and their medulla oblongata was removed and subjected to histological, immunohistochemical, and electron microscopic studies. CYP induced neuronal degeneration by chromatolysis and pyknosis. Nuclear changes, cytoplasmic vacuolation, damage mitochondria, and breakdown of RER were also detected. Reduction of microtubule-associated protein-2 (MAP-2), myelin basic protein (MBP), and oligodendrocyte transcription factor expressions and increment of glial fibrillary acidic protein expression in the medulla oblongata of the developing rats were observed. On the other hand, melatonin led to an obvious improvement of the injured medulla oblongata tissues and ameliorating the damaging effects of CYP. In conclusion, melatonin has protected rats against CYP-induced histopathological and immunohistochemical changes. This may be due to the protection of MAP-2, conservation of MBP, an increment of oligodendrocytes, and alleviation of astrogliosis.
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Affiliation(s)
- Marwa A Al-Gholam
- Department of Anatomy and Embryology, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt
| | - Noha M Issa
- Department of Anatomy and Embryology, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt
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24
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Gu H, Li J, Zhang R. Melatonin upregulates DNA-PKcs to suppress apoptosis of human umbilical vein endothelial cells via inhibiting miR-101 under H 2O 2-induced oxidative stress. Mol Cell Biochem 2020; 476:1283-1292. [PMID: 33226571 DOI: 10.1007/s11010-020-03991-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 11/16/2020] [Indexed: 02/07/2023]
Abstract
Melatonin has been implicated in inhibiting oxidative stress-induced apoptosis of endothelial cells. However, the underlying mechanism remains poorly understood. In this study, we examined the effect of melatonin on apoptosis of human umbilical vein endothelial cells (HUVECs) induced by H2O2 and explored the underlying mechanisms. Our results demonstrated that DNA-dependent protein kinase catalytic subunit (DNA-PKcs) upregulation contributed to the protective role of melatonin in HUVECs under oxidative stress with H2O2. Further study showed that melatonin treatment led to a decreased level of miRNA-101, which could be responsible for DNA-PKcs upregulation and DNA-PKcs-mediated apoptosis inhibition in HUVECs under oxidative stress with H2O2. Our results also showed that melatonin increased the activity of PI3K/AKT and DNA-PKcs knockdown in melatonin-treated HUVECs that lead to inactivation of PI3K/AKT signaling under oxidative stress with H2O2. Furthermore, blockade of PI3K/AKT signal with LY294002 significantly reduced melatonin-induced apoptosis inhibition in H2O2-treated HUVECs. Taken together, our findings identify a miR-101/DNA-PKcs/PI3K/AKT signaling pathway in melatonin-induced endothelial cell apoptosis inhibition under oxidative stress with H2O2.
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Affiliation(s)
- Hao Gu
- Department of Pediatrics, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, No.1 the Yellow River West Road, Huaiyin District, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Jian Li
- Department of Anesthesiology, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, 223300, People's Republic of China
| | - Rongrong Zhang
- Department of Pediatrics, The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, No.1 the Yellow River West Road, Huaiyin District, Huai'an, Jiangsu, 223300, People's Republic of China.
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25
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Melatonin-A Potent Therapeutic for Stroke and Stroke-Related Dementia. Antioxidants (Basel) 2020; 9:antiox9080672. [PMID: 32731545 PMCID: PMC7463751 DOI: 10.3390/antiox9080672] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 07/24/2020] [Accepted: 07/24/2020] [Indexed: 12/20/2022] Open
Abstract
Secreted by the pineal gland to regulate the circadian rhythm, melatonin is a powerful antioxidant that has been used to combat oxidative stress in the central nervous system. Melatonin-based therapies have been shown to provide neuroprotective effects in the setting of ischemic stroke by mitigating neuroinflammation and accelerating brain tissue restoration. Melatonin treatment includes injection of exogenous melatonin, pineal gland grafting and melatonin-mediated stem cell therapy. This review will discuss the current preclinical and clinical studies investigating melatonin-based therapeutics to treat stroke.
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