1
|
Wang L, Tian Y, Li L, Cai M, Zhou X, Su W, Hua X, Yuan X. Temporary alleviation of MAPK by arbutin alleviates oxidative damage in the retina and ARPE-19 cells. Heliyon 2024; 10:e32887. [PMID: 38988586 PMCID: PMC11234033 DOI: 10.1016/j.heliyon.2024.e32887] [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: 03/06/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 07/12/2024] Open
Abstract
Dry age-related macular degeneration (AMD) is one of the main diseases that causes blindness in humans, and the number of cases is increasing yearly. However, effective treatments are unavailable, and arbutin (ARB) has been reported to have antioxidant, anti-inflammatory, and anti-aging effects in other age-related diseases. However, whether ARB can be used to treat dry AMD remains unknown. To explore the therapeutic potential and molecular mechanism of arbutin in the treatment of dry AMD. MTT assays, reactive oxygen species (ROS) production assays, flow cytometry assays, qPCR and western blotting were used to assess the impact of ARB on human RPECs induced by H2O2. A transcriptome sequencing assay was used to further explore how ARB acts on human RPECs treated with H2O2. Hematoxylin and eosin (H&E) staining and total antioxidant capacity (T-AOC) assays were used to observe the impact of ARB on mouse retina induced by sodium iodate. ARB counteracted the H2O2-induced reduction in human RPECs viability, ARB reversed H2O2-induced cellular ROS production by increasing the expression of antioxidant-related genes and proteins, ARB also reversed H2O2-induced cell apoptosis by altering the expression of apoptosis-related genes and proteins. Transcriptome sequencing and western blotting showed that ARB reduced ERK1/2 and P-38 phosphorylation to prevent H2O2-induced oxidation damage. The in vivo experiments demonstrated that ARB protected against retinal morphology injury in mice, increased serum T-AOC levels and increased antioxidant oxidase gene expression levels in the mouse retina induced by sodium iodate. We concluded that ARB reversed the H2O2-induced decrease in human RPECs viability through the inhibition of ROS production and apoptosis. The ERK1/2 and P38 MAPK signaling pathways may mediate this process. ARB maintained retinal morphology, increased serum T-AOC level and improved the expression of antioxidant oxidase genes in mice.
Collapse
Affiliation(s)
- Ling Wang
- Clinical College of Ophthalmology, Tianjin Medical University, Tianjin, 300020, China
- Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin Eye Hospital, Tianjin, 300020, China
| | - Ye Tian
- Clinical College of Ophthalmology, Tianjin Medical University, Tianjin, 300020, China
- Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin Eye Hospital, Tianjin, 300020, China
| | - Liangpin Li
- Clinical College of Ophthalmology, Tianjin Medical University, Tianjin, 300020, China
- Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin Eye Hospital, Tianjin, 300020, China
| | - Maoyu Cai
- Clinical College of Ophthalmology, Tianjin Medical University, Tianjin, 300020, China
- Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin Eye Hospital, Tianjin, 300020, China
| | - Xueyan Zhou
- School of Medicine, Nankai University, Tianjin, 300071, China
| | - Wangming Su
- Department of Ophthalmology, Second Hospital of Longyan City, Longyan, 364000, Fujian Province, China
| | - Xia Hua
- Aier Eye Institute, Changsha, 410015, China
- Tianjin Aier Eye Hospital, Tianjin, 300190, China
| | - Xiaoyong Yuan
- Clinical College of Ophthalmology, Tianjin Medical University, Tianjin, 300020, China
- Tianjin Key Laboratory of Ophthalmology and Visual Science, Tianjin Eye Institute, Tianjin Eye Hospital, Tianjin, 300020, China
| |
Collapse
|
2
|
Okkay IF, Famurewa A, Bayram C, Okkay U, Mendil AS, Sezen S, Ayaz T, Gecili I, Ozkaraca M, Senyayla S, Hacimuftuoglu A. Arbutin abrogates cisplatin-induced hepatotoxicity via upregulating Nrf2/HO-1 and suppressing genotoxicity, NF-κB/iNOS/TNF-α and caspase-3/Bax/Bcl2 signaling pathways in rats. Toxicol Res (Camb) 2024; 13:tfae075. [PMID: 38770183 PMCID: PMC11102346 DOI: 10.1093/toxres/tfae075] [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: 11/24/2023] [Revised: 05/08/2024] [Accepted: 05/10/2024] [Indexed: 05/22/2024] Open
Abstract
BACKGROUND Cisplatin is a potent anticancer agent widely employed in chemotherapy. However, cisplatin leads to toxicity on non-targeted healthy organs, including the liver. We investigated the hepatoprotective mechanism of arbutin (ARB), a glycosylated hydroquinone, against cisplatin-induced hepatotoxicity. METHODS Rats were orally administered with ARB (ARB1 = 50 mg/kg; ARB2 = 100 mg/kg) for 14 consecutive days against hepatotoxicity induced by a single dose of cisplatin (10 mg/kg) on day 15. Three days after the intraperitoneal cisplatin injection, serum and liver tissue were collected for subsequent analyses. RESULTS Cisplatin triggered marked increases in serum AST, ALT, and ALP activities, hepatic malondialdehyde (MDA) and reactive oxygen species (ROS) coupled with a considerable diminution in hepatic activities of superoxide dismutase (SOD), catalase (CAT) and the concentration of reduced glutathione (GSH). The gene expressions of interleukin-1β (IL-1β), tumor necrosis factor (TNF-α), and IL-6 were notably increased. The pre-administration of ARB1 and ARB2 reduced AST, ALT and ALP in serum and restored SOD, CAT, GSH, ROS, MDA and cytokine levels which was also evidenced by alleviated hepatic lesions. Further, cisplatin-induced prominent alterations in the gene expressions of nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), iNOS, NF-κB, Bax, Bcl-2, caspase-3 and 8-OHdG in the liver. Interestingly, ARB protected the liver and mitigated the cisplatin-induced alterations in serum AST, ALT, ALP, and reduced hepatic redox markers, 8-OdG, inflammatory markers and gene expressions. CONCLUSION The findings demonstrate that ARB is a potential protective adjuvant against cisplatin-induced hepatotoxicity via inhibition of hepatic oxidative stress, inflammation, and apoptosis.
Collapse
Affiliation(s)
- Irmak Ferah Okkay
- Pharmacology Department, Faculty of Pharmacy, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
| | - Ademola Famurewa
- Medical Biochemistry Department, Faculty of Basic Medical Sciences, College of Medical Sciences, Alex-Ekwueme Federal University, Ndufu-Alike Ikwo, Abakaliki, Ebonyi State, Nigeria
| | - Cemil Bayram
- Medical Pharmacology Department, Faculty of Medicine, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
| | - Ufuk Okkay
- Medical Pharmacology Department, Faculty of Medicine, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
- Vaccine Development Application and Research Center, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
| | - Ali Sefa Mendil
- Department of Pathology, Faculty of Veterinary Medicine, Erciyes University, Yenidogan, Kume Evleri, 38280 Talas, Kayseri, Turkey
| | - Selma Sezen
- Pharmacology Department, Faculty of Medicine, Agri Ibrahim Cecen University, New University Street, No 2, 04100, Agri, Turkey
| | - Teslime Ayaz
- Internal Medicine Department, Faculty of Medicine, Recep Tayyip Erdogan University, 53200, Islampasa, Rize, Turkey
| | - Ibrahim Gecili
- Medical Pharmacology Department, Faculty of Medicine, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
| | - Mustafa Ozkaraca
- Pathology Department, Faculty of Veterinary Medicine, Sivas Cumhuriyet University, 58070, Imaret, Sivas, Turkey
| | - Selcuk Senyayla
- Medical Pharmacology Department, Faculty of Medicine, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
| | - Ahmet Hacimuftuoglu
- Medical Pharmacology Department, Faculty of Medicine, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
- Vaccine Development Application and Research Center, Ataturk University, Ataturk Street, 25240, Yakutiye, Erzurum, Turkey
| |
Collapse
|
3
|
Cui T, Li J, Li N, Li F, Song Y, Li L. Optimization of ultrasonic-assisted extraction of arbutin from pear fruitlets using response surface methodology. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01412-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
4
|
Sadeghinezhad S, Khodamoradi E, Diojan L, Taeb S, Najafi M. Radioprotective Mechanisms of Arbutin: A Systematic Review. Curr Drug Res Rev 2022; 14:132-138. [PMID: 35319405 DOI: 10.2174/2589977514666220321114415] [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: 09/21/2021] [Revised: 12/15/2021] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
PURPOSE Efforts to produce radioprotective agents of high potential are appropriate strategies for overcoming possible IR toxicity in organisms. The present research aims to evaluate the signaling pathways and mechanisms through which arbutin exerts radioprotective effects on organisms. METHODS The databases of PubMed, Web of Sciences, Google Scholar, and Scopus were searched to find studies that reported radioprotective effects for arbutin. Besides, the data were searched within the time period from 2010 to 2020. RESULTS Five research articles met our criteria, which were included in the analysis based on their relevance to the topic. The present systematic review provides conclusions about various mechanisms and pathways through which arbutin induces radioprotection. CONCLUSIONS Based on the relevant studies, various mechanisms can be proposed for inducing radioprotective effects by arbutin, including inhibition of oxidative stress, apoptosis, and inflammation.
Collapse
Affiliation(s)
- Shima Sadeghinezhad
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ehsan Khodamoradi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Loghman Diojan
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shahram Taeb
- Department of Radiology, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Masoud Najafi
- Medical Technology Research Center, Institute of Health Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| |
Collapse
|
5
|
Zhang C, Zhu H, Jie H, Ding H, Sun H. Arbutin ameliorated ulcerative colitis of mice induced by dextran sodium sulfate (DSS). Bioengineered 2021; 12:11707-11715. [PMID: 34783296 PMCID: PMC8809946 DOI: 10.1080/21655979.2021.2005746] [Citation(s) in RCA: 9] [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: 07/22/2021] [Revised: 11/08/2021] [Accepted: 11/08/2021] [Indexed: 01/01/2023] Open
Abstract
Accumulating evidence has revealed the anti-inflammatory effects of arbutin against various diseases. However, the effects of arbutin are not clarified in ulcerative colitis. This study was intended to investigate the protective effects and mechanisms of arbutin on DSS-induced colitis. Hematoxylin eosin staining was performed to determine the pathological damage of intestinal tissue in mice. Inflammatory factors levels in intestinal tissue were detected by enzyme linked immunosorbent assay (ELISA) assay. TUNEL staining showed the apoptosis levels of cells. Intestinal permeability was analyzed using the application of Fluorescein isothiocyanate Dextran (FD) 4. The levels of Zona Occludens 1 (ZO-1), occluding and claudin-1, and the related proteins in MAPK/ELK1 pathway were analyzed by Western blot. DSS promotes pathological injury, the levels of pro-inflammatory factors containing tumor necrosis factor alpha (TNF-α), Interleukin- 6 (IL-6) and myeloperoxidase (MPO), and cell apoptosis in the mouse colon. Additionally, intestinal permeability was increased and the levels of tight function-related proteins were increased following DSS induction. Its effects could be greatly improved by arbutin. Arbutin exerted effects by eliciting anti-inflammatory effects and maintaining normal intestinal mucosal barrier function, the action mechanism of which could be associated with MAPK/ELK1 pathway.
Collapse
Affiliation(s)
- Chuan Zhang
- Department of Gastroenterology, Suzhou Traditional Chinese Medicine Hospital Affiliated College of Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Huiping Zhu
- Department of Gastroenterology, Suzhou Traditional Chinese Medicine Hospital Affiliated College of Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Hui Jie
- Department of Gastroenterology, Suzhou Traditional Chinese Medicine Hospital Affiliated College of Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Hengyue Ding
- Department of Gastroenterology, Suzhou Traditional Chinese Medicine Hospital Affiliated College of Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| | - Hongwen Sun
- Department of Gastroenterology, Suzhou Traditional Chinese Medicine Hospital Affiliated College of Nanjing University of Chinese Medicine, Suzhou, Jiangsu, China
| |
Collapse
|
6
|
Two faces of arbutin in hepatocellular carcinoma (HepG2) cells: Anticarcinogenic effect in high concentration and protective effect against cisplatin toxicity through its antioxidant and anti-inflammatory activity in low concentration. Biologia (Bratisl) 2021. [DOI: 10.1007/s11756-021-00921-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
7
|
Benković V, Marčina N, Horvat Knežević A, Šikić D, Rajevac V, Milić M, Kopjar N. Potential radioprotective properties of arbutin against ionising radiation on human leukocytes in vitro. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2021; 872:503413. [PMID: 34798933 DOI: 10.1016/j.mrgentox.2021.503413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 09/12/2021] [Accepted: 09/22/2021] [Indexed: 12/12/2022]
Abstract
Arbutin is a simple phenolic glucoside biosynthesised in many plant families. Some of the everyday foods that contain arbutin are species of the genus Origanum, peaches, cereal products, coffee and tea and Arctostaphyllos uva ursi L. leaves. Arbutin possesses various beneficial effects in the organism, and was confirmed effective in the treatment of urinary tract infections as well as in preventing skin hyperpigmentation. It shows antioxidant and anti-inflammatory properties, and antitumor activity. The aim of this study was to explore potential radioprotective properties of arbutin in concentrations of 11.4 μg/mL, 57 μg/mL, 200 μg/mL and 400 μg/mL administered as a pre-treatment for one hour before exposing human leukocytes to ionising radiation at a therapeutic dose of 2 Gy. The alkaline comet assay was used to establish the levels of primary DNA damage, and cytokinesis-block micronucleus (CBMN) cytome assay to determine the level of cytogenetic damage. None of the tested concentrations of single arbutin showed genotoxic and cytotoxic effects. Even at the lowest tested concentration, 11.4 μg/mL, arbutin demonstrated remarkable potential for radioprotection in vitro, observed both at the level of primary DNA damage, and using CBMN cytome assay. The best dose reduction compared with amifostine was observed after pre-treatment with the highest concentration of arbutin, corresponding to 400 μg/mL. Promising results obtained on the leukocyte model speak in favour of extending similar experiments on other cell and animal models.
Collapse
Affiliation(s)
- Vesna Benković
- Division of Animal Physiology, Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia.
| | - Nives Marčina
- Division of Animal Physiology, Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Anica Horvat Knežević
- Division of Animal Physiology, Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Dunja Šikić
- Division of Animal Physiology, Department of Biology, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Vedran Rajevac
- University Hospital for Tumours, Sisters of Mercy University Hospital Centre, Zagreb, Croatia
| | - Mirta Milić
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Zagreb, Croatia
| | - Nevenka Kopjar
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Zagreb, Croatia
| |
Collapse
|
8
|
Aslantürk ÖS, Yılmaz EŞ, Aşkın Çelik T, Güzel Y. Evaluation of the antioxidant and cytotoxic potency of Euphorbia rigida and Arbutus andrachne methanol extracts in human hepatocellular carcinoma cell lines in vitro. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2021. [DOI: 10.1186/s43088-021-00143-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Ethnobotanical studies on plants and their active compounds take a great interest in traditional medicine. After pharmacological and toxicological studies, there will be a possibility to be used in therapy. This study aimed to examine the in vitro antioxidant and cytotoxic activity of the methanol extracts of Arbutus andrachne L. and Euphorbia rigida M.Bieb. 10, 25, 50, 75, 100 and 150 µg mL−1 concentrations of A. andrachne and E. rigida were tested for antioxidant activity by using DPPH radical scavenging assays, total antioxidant capacity (phosphomolybdate assay) and and metal ion chelating activity. In addition, in vitro cytotoxic effects of this plants methanol extracts on Hep3B and HepG2 human hepatocellular carcinoma cell lines were evaluated at 24, 48 and 72 h. The cytotoxicity test was carried using the MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide] assay.
Results
Methanol extract obtained from both plants showed increased antioxidant activity depending on the increase in concentration. When A. andrachne and E. rigida methanol extracts were compared in free DPPH scavenging activity, total antioxidant capacity and metal ion chelating activity, A. andrachne methanol extract was found more effective than E. rigida. Results from MTT assay revealed that except for 72 h treatment of HepG2 cells with 400 and 500 µgmL−1 extract concentrations, A. andrachne methanol extract did not show significant cytotoxic effects on either Hep3B or HepG2 cells at any concentration and treatment time. On the contrary, it significantly increased proliferation in Hep3B cells from 48 h and at a concentration of 100 µg mL−1. E. rigida methanol extract exhibited statistically significant cytotoxic activity on HepG2 cells after 48 and 72 h treatment. However, the treatment concentrations of E. rigida methanol extract were not as effective on Hep3B cells as on HepG2 cells.
Conclusions
According to our findings, it was determined that A. andrachne methanol extract did not have cytotoxic activity on neither Hep3B nor HepG2 cells, while E. rigida methanol extract had cytotoxic activity especially on HepG2 hepatocellular carcinoma cells. Further research is needed to identify and purify the active ingredients in E. rigida extracts.
Collapse
|
9
|
Boo YC. Arbutin as a Skin Depigmenting Agent with Antimelanogenic and Antioxidant Properties. Antioxidants (Basel) 2021; 10:antiox10071129. [PMID: 34356362 PMCID: PMC8301119 DOI: 10.3390/antiox10071129] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/15/2021] [Accepted: 07/15/2021] [Indexed: 12/27/2022] Open
Abstract
Arbutin is a compound of hydroquinone and D-glucose, and it has been over 30 years since there have been serious studies on the skin lightening action of this substance. In the meantime, there have been debates and validation studies about the mechanism of action of this substance as well as its skin lightening efficacy and safety. Several analogs or derivatives of arbutin have been developed and studied for their melanin synthesis inhibitory action. Formulations have been developed to improve the stability, transdermal delivery, and release of arbutin, and device usage to promote skin absorption has been developed. Substances that inhibit melanin synthesis synergistically with arbutin have been explored. The skin lightening efficacy of arbutin alone or in combination with other active ingredients has been clinically evaluated. Combined therapy with arbutin and laser could give enhanced depigmenting efficacy. The use of arbutin causes dermatitis rarely, and caution is recommended for the use of arbutin-containing products, especially from the viewpoint that hydroquinone may be generated during product use. Studies on the antioxidant properties of arbutin are emerging, and these antioxidant properties are proposed to contribute to the skin depigmenting action of arbutin. It is hoped that this review will help to understand the pros and cons of arbutin as a cosmetic ingredient, and will lead to future research directions for developing advanced skin lightening and protecting cosmetic products.
Collapse
Affiliation(s)
- Yong Chool Boo
- Department of Molecular Medicine, Cell and Matrix Research Institute, BK21 Plus KNU Biomedical Convergence Program, School of Medicine, Kyungpook National University, Daegu 41944, Korea
| |
Collapse
|
10
|
Effect of Flattening Filter and Flattening Filter Free beams on radiotherapy-induced peripheral blood cell damage. Radiat Phys Chem Oxf Engl 1993 2021. [DOI: 10.1016/j.radphyschem.2021.109383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
11
|
Saeedi M, Khezri K, Seyed Zakaryaei A, Mohammadamini H. A comprehensive review of the therapeutic potential of α-arbutin. Phytother Res 2021; 35:4136-4154. [PMID: 33724594 DOI: 10.1002/ptr.7076] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/01/2021] [Accepted: 02/24/2021] [Indexed: 12/12/2022]
Abstract
Cosmetic dermatology preparations such as bleaching agents are ingredients with skin-related biological activities for increasing and improving skin beauty. The possibility of controlling skin hyperpigmentation disorders is one of the most important research goals in cosmetic preparations. Recently, cosmetics containing herbal and botanical ingredients have attracted many interests for consumers of cosmetic products because these preparations are found safer than other preparations with synthetic components. However, high-quality trial studies in larger samples are needed to confirm safety and clinical efficacy of phytotherapeutic agents with high therapeutic index. Arbutin (p-hydroxyphenyl-β-d-glucopyranoside) is a bioactive hydrophilic polyphenol with two isomers including alpha-arbutin (4-hydroxyphenyl-α-glucopyranoside) and β-arbutin (4-hydroxyphenyl-β-glucopyranoside). It is used as a medicinal plant in phytopharmacy. Studies have shown that alpha-arbutin is 10 times more effective than natural arbutin. A comparison of IC50 values showed that α-arbutin (with concentration 2.0 mM) has a more potent inhibitory activity on human tyrosinase against natural arbutin (with higher concentration than 30 mM). A review of recent studies showed that arbutin could be beneficial in treatment of various diseases such as hyperpigmentation disorders, types of cancers, central nervous system disorders, osteoporosis, diabetes, etc. This study was designed to describe the therapeutic efficiencies of arbutin.
Collapse
Affiliation(s)
- Majid Saeedi
- Pharmaceutical Sciences Research Center, Hemoglobinopathy Institute, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Khadijeh Khezri
- Deputy of Food and Drug Administration, Urmia University of Medical Sciences, Urmia, Iran
| | | | | |
Collapse
|
12
|
Ma R, Gao P, Yang H, Hu J, Xiao JJ, Shi M, Zhao LN. Inhibition of cell proliferation and radioresistance by miR-383-5p through targeting RNA binding protein motif (RBM3) in nasopharyngeal carcinoma. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:123. [PMID: 33569425 PMCID: PMC7867938 DOI: 10.21037/atm-20-6881] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background RNA binding protein motif (RBM3) is associated with radioresistance in nasopharyngeal carcinoma (NPC), and miR-383-5p was predicted to target the 3'-untranslated region (3'UTR) of RBM3 messenger RNA (mRNA). Our study aimed to investigate the role and the mechanisms of miR-383-5p targeting RBM3 in NPC cell proliferation and radioresistance (RR). Methods The expression of miR-383-5p was detected by Real-time quantitative PCR (qRT-PCR) between RS (Radiosensitivity) and RR (Radioresistance) NPC patient- tissue specimens and cell lines. Cell Counting Kit-8 (CCK-8) and Clonogenic survival assay were applied to analyze the effect of miR-383-5p on NPC cell proliferation and radioresistance. Possible downstream target of miR-383-5p in NPC cells, RBM3was evaluated by luciferase assay and qRT-PCR. miR-383-5p inhibited NPC cell proliferation and radioresistance through RBM3 by rescue experiments. The effect of miR-383-5p on radiation-induced apoptosis was explored through Flow cytometric analysis and Western blotting. Western blotting was analyzed the molecular of RBM3-mediated Jun N-terminal kinase (JNK) and extracellular signal-related kinase (ERK) signaling pathways Results The expression of miR-383-5p was decreased in radioresistant NPC tissues and cells. miR-383-5p inhibited cell proliferation and radioresistance in CNE1/IR cells. We also observed that therapeutic administration of a miR-383-5p agomir dramatically sensitized NPC xenografts to radiation in a mouse model. Conversely, in the same xenograft model, administration of a miR-383-5p antagomir dramatically increased NPC resistance to radiation. miR-383-5p targeted the 3'UTR of RBM3. miR-383-5p inhibited NPC cell proliferation and radioresistance through RBM3. Finally, we found that miR-383-5p increased radiation-induced apoptosis, activated JNK signaling, and inhibited ERK signaling. Conclusions Our study revealed that miR-383-5p targeted the 3'UTR of RBM3 and contributed to the efficacy of NPC radiation therapy by altering the RBM3-mediated JNK and ERK signaling pathways.
Collapse
Affiliation(s)
- Rui Ma
- Department of Radiation Oncology, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Peng Gao
- Department of Radiation Medicine, The Faculty of Preventive Medicine, Air Force Medical University, Xi'an, China
| | - Hua Yang
- Department of Radiation Oncology, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Jing Hu
- Department of Radiation Oncology, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Jing-Jing Xiao
- Department of Thyroid-breast-vascular Surgery, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Mei Shi
- Department of Radiation Oncology, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Li-Na Zhao
- Department of Radiation Oncology, Xijing Hospital, Air Force Medical University, Xi'an, China
| |
Collapse
|
13
|
Polouliakh N, Ludwig V, Meguro A, Kawagoe T, Heeb O, Mizuki N. Alpha-Arbutin Promotes Wound Healing by Lowering ROS and Upregulating Insulin/IGF-1 Pathway in Human Dermal Fibroblast. Front Physiol 2020; 11:586843. [PMID: 33250779 PMCID: PMC7672191 DOI: 10.3389/fphys.2020.586843] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 09/30/2020] [Indexed: 11/13/2022] Open
Abstract
Alpha-arbutin (4-hydroxyphenyl alpha-glucopyranoside) is a known inhibitor of tyrosinase in keratinocytes; however, its effect on other genes and pathways in other skin cells has not been thoroughly investigated. In this study, we investigate the mechanism of alpha-arbutin activity in human dermal fibroblast cultures for 48 h. Results showed that the oxidative stress pathway was activated as alpha-arbutin reduced reactive oxygen species. In addition, we found a high possibility of wound healing and the upregulation of the insulin-like growth factor 1 receptor (IFG1R) pathway. We also investigated the role of the NRF2 gene in mediating the alpha-arbutin response. In silico comparative genomics analysis conducted using our original tool, SHOE, suggested transcription factors with a role in tumor suppression and toxicity response as candidates for regulating the alpha-arbutin-mediated pathway.
Collapse
Affiliation(s)
- Natalia Polouliakh
- Department of Ophthalmology and Visual Sciences, Yokohama City University Graduate School of Medicine, Yokohama, Japan.,Sony Computer Science Laboratories Inc., Tokyo, Japan
| | | | - Akira Meguro
- Department of Ophthalmology and Visual Sciences, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Tatsukata Kawagoe
- Department of Ophthalmology and Visual Sciences, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Oliver Heeb
- Department of MAVT, ETH Zürich, Zurich, Switzerland
| | - Nobuhisa Mizuki
- Department of Ophthalmology and Visual Sciences, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| |
Collapse
|
14
|
Abstract
Arbutin is a glycoside reported for its anti-oxidant, anti-inflammatory and anti-tumor properties. However, the cardioprotective effect of Arbutin is not well established. The study aims to understand the effect of arbutin on isoproterenol (ISO)-induced cardiac hypertrophy in mice. The animals were pretreated with Arbutin for a week and ISO was administered for 10 days and then sacrificed. Cardiac injury markers such as creatinine kinase and lactate dehydrogenase concentrations were measured in the serum. The mRNA expression of cardiac hypertrophy markers namely atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) were measured using qRT-PCR. The levels of pro-inflammatory cytokines TNF-α and IL-6 were quantified by ELISA in isolated tissues and serum. Other tissue anti-oxidant parameters such as GST, GSH, SOD and TBARS were also measured. TUNEL assay was performed to detect apoptosis. Histology studies were performed using H & E and Masson trichome staining. Immunoblot analysis was used to quantify the protein expression of TLR-4 and NF-κB. ISO-alone-treated group showed significant increase in CK-MB, LDH along with increase in hypertrophic markers ANP and BNP, TNF-α and IL-6 levels in serum and tissues and increased cardiomyocyte apoptosis. Anti-oxidant parameters were significantly decreased and TLR-4 and NF-κB protein expression was found to be upregulated in comparison to the control group. Pretreatment with Arbutin-exhibited significant inhibition of TLR-4/NF-κB pathway with decreased levels of pro-inflammatory cytokines and enhanced myocardial anti-oxidant status. Our study demonstrated that pretreatment with Arbutin exhibits marked protective effects on ISO-induced cardiac hypertrophy in mice. Thus, Arbutin may be used as potential pharmacological interventions in the management of cardiac hypertrophy.
Collapse
|
15
|
Safari H, Zabihi E, Pouramir M, Morakabati P, Abedian Z, Karkhah A, Nouri HR. Decrease of intracellular ROS by arbutin is associated with apoptosis induction and downregulation of IL-1β and TNF-α in LNCaP; prostate cancer. J Food Biochem 2020; 44:e13360. [PMID: 32614483 DOI: 10.1111/jfbc.13360] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 06/09/2020] [Accepted: 06/09/2020] [Indexed: 12/21/2022]
Abstract
Increased reactive oxygen species (ROS) along with inflammation are involved in the prostate cancer (PCa). Therefore, this study was conducted to investigate the molecular mechanisms that were affected by arbutin as an antioxidant on prostate cancer cell line; LNCap. The intracellular ROS measurement confirmed that arbutin significantly (p < .05) decreased the ROS levels in a dose-dependent manner. Detection of cell death profile established that 1,000 μM of arbutin could remarkably induced apoptosis (p < .05), while tert-butyl hydroperoxide (tBHP) as ROS inducer prompted necrosis. In addition, 1,000 µM of arbutin successfully decreased expressions of IL-1β and TNF-α genes (p < .05). Furthermore, evaluation of the IL-1β protein level showed that arbutin could significantly decrease this cytokine (p < .05). In summary, reduction of ROS along with increasing apoptosis and decreasing expression of pro-inflammatory genes following arbutin treatment can open new visions in the treatment of prostate cancer using complementary medicine. PRACTICAL APPLICATIONS: Nowadays, arbutin as a glycosylated hydroquinone is available commercially in both natural and synthetic forms. Arbutin is of interest because of its skin-lightening effect, and used in cosmetic products for cutaneous hyperpigmentation. Arbutin inhibited tyrosinase in melanocytes competitively. Moreover, arbutin was able to attenuate oxidative stress and, its anti-inflammatory activities has been established. In addition, arbutin has represented useful activities for suppression of malignant melanoma development. In addition, arbutin exhibits several pharmacological effects, including antimicrobial, antihyperlipidemic, antihyperglycemic, and alpha amylase inhibitory effects. In this study, we showed its effect on prostate cancer in vitro. Therefore, it opens new insights in the complementary medicine that can maintain or improve human health.
Collapse
Affiliation(s)
- Hajar Safari
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Ebrahim Zabihi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Mahdi Pouramir
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Payam Morakabati
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Zeinab Abedian
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Ahmad Karkhah
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran.,Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Hamid Reza Nouri
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.,Immunoregulation Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| |
Collapse
|
16
|
Ebadollahi SH, Pouramir M, Zabihi E, Golpour M, Aghajanpour-Mir M. The Effect of Arbutin on The Expression of Tumor Suppressor P53, BAX/BCL-2 Ratio and Oxidative Stress Induced by Tert-Butyl Hydroperoxide in Fibroblast and LNcap Cell Lines. CELL JOURNAL 2020; 22:532-541. [PMID: 32347047 PMCID: PMC7211292 DOI: 10.22074/cellj.2021.6902] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 07/29/2019] [Indexed: 01/17/2023]
Abstract
Objective Arbutin (p-hydroxyphenyl-β-D-glucopyranoside) possesses beneficial functions including antioxidant, antiinflammatory, and anti-tumoral activities. Due to the important role of oxidative stress and apoptosis in the successful treatment of cancer, understanding mechanisms that lead to apoptosis in cancer cells, is essential. The purpose of the current study was to evaluate the effect of arbutin on tert-butyl hydroperoxide (t-BHP)-induced oxidative stress and the related mechanisms in fibroblast and Lymph Node Carcinoma of the Prostate (LNCaP) cells. Materials and Methods In this experimental study, the LNCaP and fibroblast cell lines were pre-treated with arbutin (50, 250 and 1000 μM). After 24 hours, t-BHP (30 and 35 μM) was added to the cells. Viability was measured (at 24 and 48 hours) using MTT assay. The antioxidant effect of arbutin was measured by FRAP assay. The mRNA expression of P53 and BAX/BCL-2 ratio were measured using quantitative polymerase chain reaction (PCR). The percentage of apoptotic or necrotic cells was determined using a double staining annexin V fluorescein isothiocyanate (FITC) apoptosis detection kit. Results Arbutin pre-treatment increased the total antioxidative power and cell viability in the MTT assay and reduced BAX/BCL-2 ratio, P53 mRNA expression and necrosis in fibroblasts exposed to the oxidative agent (P<0.001). In addition, our results showed that arbutin can decrease cell viability, induce apoptosis and increase BAX/BCL-2 ratio in LNCaP cells at some specific concentrations (P<0.001). Conclusion Arbutin as a potential functional β-D-glucopyranoside has strong ability to selectively protect fibroblasts against t-BHP-induced cell damage and induce apoptosis in LNCaP cells.
Collapse
Affiliation(s)
- S Hima Ebadollahi
- Department of Clinical Biochemistry, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran.,Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Mahdi Pouramir
- Department of Clinical Biochemistry, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran. Electronic Address: .,Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Ebrahim Zabihi
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Monireh Golpour
- Cellular and Molecular Biology Research Center, Student Research Committee, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohsen Aghajanpour-Mir
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Department of Genetics, Faculty of Medicine, Babol University of Medical Sciences, Babol, Iran
| |
Collapse
|
17
|
Park JJ, Hwang SJ, Kang YS, Jung J, Park S, Hong JE, Park Y, Lee HJ. Synthesis of arbutin-gold nanoparticle complexes and their enhanced performance for whitening. Arch Pharm Res 2019; 42:977-989. [PMID: 31144234 DOI: 10.1007/s12272-019-01164-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 05/21/2019] [Indexed: 12/21/2022]
Abstract
Arbutin, a natural polyphenol, possesses numerous biological activities including whitening, anti-oxidant, anti-cancer, anti-inflammatory activities, as well as strong reducing power, making it an ideal bioactive ingredient for preparing gold nanoparticles (GNPs). Previously, we developed a novel green, mild synthetic method for GNPs using glycosides such as arbutin as reducing agents and stabilizers. Herein, we optimized the synthetic method for glycoside-GNPs using arbutin, methyl β-D-glucoside, and phenyl β-D-glucoside and validated their whitening efficacy in vitro and in vivo. The resulting glycoside-GNPs were predominantly mono-dispersed and spherical (10.30-17.13 nm diameter). Compared with arbutin itself, arbutin-GNP complexes (GNP-A1 and GNP-P2) displayed enhanced whitening capabilities. Furthermore, GNP-P2 exhibited enhanced anti-inflammatory activity and lacked the toxicity associated with arbutin. Bioactive glycoside-GNP complexes may open new directions for cosmeceuticals, and GNP-P2 may serve as a useful whitening ingredient in future cosmeceutical applications.
Collapse
Affiliation(s)
- Jin Ju Park
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea
| | - Su Jung Hwang
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea
| | - Yu Sun Kang
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea
| | - Jisung Jung
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea
| | - Suryeon Park
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea
| | - Jee Eun Hong
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea
| | - Yohan Park
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea.
| | - Hyo-Jong Lee
- College of Pharmacy and Inje Institute of Pharmaceutical Sciences and Research, Inje University, 197 Inje-ro, Gimhae, Gyungnam, 50834, South Korea.
| |
Collapse
|
18
|
Han LG, Zhao QL, Yoshida T, Okabe M, Soko C, Rehman MU, Kondo T, Nikaido T. Differential response of immortalized human amnion mesenchymal and epithelial cells against oxidative stress. Free Radic Biol Med 2019; 135:79-86. [PMID: 30807827 DOI: 10.1016/j.freeradbiomed.2019.02.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 02/14/2019] [Accepted: 02/15/2019] [Indexed: 12/21/2022]
Abstract
Cells are equipped with various antioxidant defense factors to antagonize insults from reactive oxygen species (ROS), thus the antioxidant capacity has been characterized by a variety of cellular responses during the pathophysiological processes. Amniotic cells have been extensively applied in clinical practice for burn treatment, corneal repair, and tissue regeneration. However, the antioxidative properties of amniotic cells have not yet been fully understood. Therefore, the current study was aimed to observe the response of amniotic cells against ROS stimuli, and to investigate the underlying molecular mechanisms. The immortalized human amniotic mesenchymal cells (iHAMs) and immortalized human amniotic epithelial cells (iHAEs) were used. The human skin fibroblast (HSF) was used as a control cell line. Changes in intracellular ROS generation, cell viability, and cellular morphology were investigated to reveal the response of amniotic cells against oxidative stresses induced by x-rays and hydrogen peroxide. In addition, expression of apoptosis-related proteins and response to antioxidative stress was also examined. The intracellular ROS level and cell apoptosis in iHAMs was remarkably increased. iHAEs showed relatively high resistance to ROS stimulation, which can be attributed to the high SOD2 expression and up-regulation of Nrf2, HO-1 after x-rays exposure. In contrast, iHAMs were found sensitive to oxidative damage. Expression of caspase-3, caspase-8 and BAX was increased, whereas down-regulation of Bcl-xL, Nrf2, HO-1, and TrxR-1. Taken together, findings have highlighted the characterization of response of amniotic derived epithelial and mesenchymal cells to oxidative stress. In physiological processes, iHAMs may play an important role to maintain the homeostasis of the pregnancy environment. However, under oxidative stimulations, iHAEs provides protection against oxidative damage in amnion tissue.
Collapse
Affiliation(s)
- Lu Guang Han
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan; Department of CT, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
| | - Qing-Li Zhao
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan
| | - Toshiko Yoshida
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan
| | - Motonori Okabe
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan
| | - Chika Soko
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan
| | - Mati Ur Rehman
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan
| | - Takashi Kondo
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan
| | - Toshio Nikaido
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, 930-0194, Japan.
| |
Collapse
|
19
|
Man X, Yang L, Liu S, Yang L, Li M, Fu Q. Arbutin promotes MC3T3‑E1 mouse osteoblast precursor cell proliferation and differentiation via the Wnt/β‑catenin signaling pathway. Mol Med Rep 2019; 19:4637-4644. [PMID: 30957189 PMCID: PMC6522801 DOI: 10.3892/mmr.2019.10125] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 03/26/2019] [Indexed: 12/17/2022] Open
Abstract
Arbutin is a natural compound extracted from various plants, including bearberry leaves, that exerts multiple effects including skin whitening, anti‑inflammatory and oxidative stress‑protective properties. However, the effects of arbutin on osteoblasts remain unknown. The aim of the present study was to investigate the function and the mechanisms of arbutin on the proliferation and differentiation of MC3T3‑E1 mouse osteoblast precursor cells in vitro. The proliferation of MC3T3‑E1 cells treated with arbutin was assessed using a Cell Counting Kit‑8 assay and a 5‑ethynyl‑2'‑deoxyuridine labeling assay. Additionally, cell cycle and apoptosis were examined using flow cytometry analysis. The effects of arbutin on osteoblast differentiation were investigated using alkaline phosphatase (ALP) staining and by examining the mRNA expression levels of collagen type I α1 chain (COL1A1), bone γ‑carboxyglutamate protein (BGLAP) and Sp7 transcription factor (SP7). To further investigate the molecular mechanism underlying arbutin function in promoting osteogenesis, the mRNA and protein expression levels of runt‑related transcription factor 2 (RUNX2) and β‑catenin were analyzed by reverse transcription‑quantitative polymerase chain reaction and western blotting. Arbutin significantly promoted MC3T3‑E1 cell proliferation and increased the ratio of cells in S‑phase. Treatment with arbutin increased ALP activity and the mRNA expression levels of COL1A1, BGLAP and SP7 in MC3T3‑E1 cells. Furthermore, the protein and the mRNA expression levels of RUNX2 and β‑catenin increased significantly following treatment with arbutin. Collectively, the present findings suggested that arbutin was able to promote proliferation and differentiation of MC3T3‑E1 cells via the Wnt/β‑catenin signaling pathway.
Collapse
Affiliation(s)
- Xiangji Man
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Liyu Yang
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Shengye Liu
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Lei Yang
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Mingyang Li
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| | - Qin Fu
- Department of Orthopedic Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110000, P.R. China
| |
Collapse
|
20
|
Sakai T, Imai J, Takagaki H, Ui M, Hatta S. Cytoplasmic OH scavenger TA293 attenuates cellular senescence and fibrosis by activating macrophages through oxidized phospholipids/TLR4. Life Sci 2019; 221:284-292. [DOI: 10.1016/j.lfs.2019.02.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 02/05/2019] [Accepted: 02/17/2019] [Indexed: 01/19/2023]
|
21
|
Zhao QL, Ito H, Kondo T, Uehara T, Ikeda M, Abe H, Saitoh JI, Noguchi K, Suzuki M, Kurachi M. Antipsychotic drugs scavenge radiation-induced hydroxyl radicals and intracellular ROS formation, and protect apoptosis in human lymphoma U937 cells. Free Radic Res 2019; 53:304-312. [DOI: 10.1080/10715762.2019.1572889] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Qing-Li Zhao
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Hiroko Ito
- Department of Neuropsychiatry, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Takashi Kondo
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Takashi Uehara
- Department of Neuropsychiatry, Kanazawa Medical University, Ishikawa, Japan
| | - Masayuki Ikeda
- Department of Biology, Graduate School of Science and Engineering, University of Toyama, Toyama, Japan
| | - Hitoshi Abe
- Department of Biology, Graduate School of Science and Engineering, University of Toyama, Toyama, Japan
| | - Jun-Ichi Saitoh
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Kyo Noguchi
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Michio Suzuki
- Department of Neuropsychiatry, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Masayoshi Kurachi
- Department of Neuropsychiatry, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| |
Collapse
|
22
|
Salehi F, Behboudi H, Kavoosi G, Ardestani SK. Oxidative DNA damage induced by ROS-modulating agents with the ability to target DNA: A comparison of the biological characteristics of citrus pectin and apple pectin. Sci Rep 2018; 8:13902. [PMID: 30224635 PMCID: PMC6141541 DOI: 10.1038/s41598-018-32308-2] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 09/06/2018] [Indexed: 12/20/2022] Open
Abstract
DNA targeting anticancer agents have been very successful in clinic, especially, when used in combinatorial therapy. But unfortunately, they often exhibit high levels of toxicity towards normal cells. Hence, much effort has been put into finding agents with more selectivity, and less toxicity. Pectins are natural polysaccharides, and beneficial nutritional fibers that have attracted attentions due to their antitumor properties. However, their molecular targets, and mechanism of action are widely unknown. Here, we have reported that citrus pectin (CP) and apple pectin (AP) selectively suppress viability in MDA-MB-231, MCF-7 and T47D human Breast cancer cells, while non-toxic to L929 normal cells. Upon CP, and AP treatments, cancer cells’ ROS content increased rapidly, and led to the collapse of the mitochondrial transmembrane potential which functions upstream of the caspase-dependent apoptosis. CP and AP treated cancer cells were also arrested at the S and G1 or G2/M phases of the cell cycle, respectively. Furthermore, mRNA expression of Galectin-3 (a multi-functional lectin involved in cell adhesion, cell cycle, and apoptosis) reduced in both CP and AP treated cells. Growth inhibition of MDA-MB-231 cells by CP, and AP was concomitant with DNA damage (oxidation, and strand breaks). In this context, in an effort to clarify the mechanism of action, we showed that CP, and AP are able to interact with DNA. The strength and mode of DNA binding were established by spectroscopy techniques. We demonstrated that CP, and AP bind to dsDNA by intercalation, and groove binding/partial intercalation, respectively. In conclusion, our findings suggest that CP, and AP induce apoptosis in MDA-MB-231 cells by increasing the release of ROS, which may be related to the mitochondrial apoptosis pathway, and direct interactions with DNA. Our data indicate that these compounds may be potentially useful in cancer treatment.
Collapse
Affiliation(s)
- Fahimeh Salehi
- Institute of Biochemistry and Biophysics, Department of Biochemistry, University of Tehran, Tehran, Iran
| | - Hossein Behboudi
- Institute of Biochemistry and Biophysics, Department of Biochemistry, University of Tehran, Tehran, Iran
| | | | - Sussan K Ardestani
- Institute of Biochemistry and Biophysics, Department of Biochemistry, University of Tehran, Tehran, Iran.
| |
Collapse
|
23
|
Jurica K, Brčić Karačonji I, Mikolić A, Milojković-Opsenica D, Benković V, Kopjar N. In vitro safety assessment of the strawberry tree (Arbutus unedo L.) water leaf extract and arbutin in human peripheral blood lymphocytes. Cytotechnology 2018; 70:1261-1278. [PMID: 29696482 PMCID: PMC6081932 DOI: 10.1007/s10616-018-0218-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 03/31/2018] [Indexed: 12/31/2022] Open
Abstract
Strawberry tree (Arbutus unedo L.) leaves have long been used in the traditional medicine of the Mediterranean region. One of their most bioactive constituents is the glycoside arbutin, whose presence makes A. unedo suitable as a potential substitute for bearberry [Arctostaphylos uva ursi (L.) Spreng] leaves, an herbal preparation widely used for treating urinary tract infections. The safety and biocompatibility of strawberry tree water leaf extract have not yet been documented well. This study estimated arbutin content in strawberry tree water leaf extract (STE) using high performance liquid chromatography. Furthermore, we performed an in vitro safety assessment of the 24 h exposure to three presumably non-toxic concentrations of standardized STE and arbutin in human peripheral blood lymphocytes using the apoptosis/necrosis assay, the alkaline comet assay, and the cytokinesis-block micronucleus cytome assay. The STE was also tested for total antioxidant capacity and lipid peroxidation. At a concentration corresponding to the maximum allowable daily intake of arbutin, the tested extract was not cytotoxic, had a negligible potential for causing primary DNA damage and even hindered micronuclei formation in lymphocytes. It also showed a valuable antioxidant capacity, and did not exert marked lipid peroxidation. These promising results represent a solid frame for further development of STE-based herbal preparations. Although arbutin generally had a low DNA damaging potential, the slowing down of lymphocyte proliferation observed after 24 h of exposure points to a cytostatic effect, which merits further research.
Collapse
Affiliation(s)
- K Jurica
- Ministry of the Interior, Zagreb, Croatia
| | - I Brčić Karačonji
- Institute for Medical Research and Occupational Health, Ksaverska c. 2, 10000, Zagreb, Croatia
| | - A Mikolić
- Institute for Medical Research and Occupational Health, Ksaverska c. 2, 10000, Zagreb, Croatia
| | | | - V Benković
- Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - N Kopjar
- Institute for Medical Research and Occupational Health, Ksaverska c. 2, 10000, Zagreb, Croatia.
| |
Collapse
|
24
|
Ji ST, Kim YJ, Jung SY, Kim DY, Kang S, Park JH, Jang WB, Ha J, Yun J, Kwon SM. Oleuropein attenuates hydrogen peroxide-induced autophagic cell death in human adipose-derived stem cells. Biochem Biophys Res Commun 2018; 499:675-680. [PMID: 29604275 DOI: 10.1016/j.bbrc.2018.03.211] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 03/28/2018] [Indexed: 12/11/2022]
Abstract
Mesenchymal stem cells (MSCs) are multipotent progenitor cells with self-renewing properties; thus, transplanting functionally enhanced MSCs might be a promising strategy for cell therapy against ischemic diseases. However, extensive oxidative damage in ischemic tissue affects the cell fate of transplanted MSCs, eventually resulting in cell damage and autophagic cell death. Oleuropein (OLP) is a bioactive compound isolated from olives and olive oil that harbors antioxidant properties. This study aimed to investigate the potential cytoprotective effects of OLP against oxidative stress and autophagic cell death in MSCs. We found that short-term priming with OLP attenuated H2O2-induced apoptosis by regulating the pro-apoptotic marker Bax and the anti-apoptotic markers Bcl-2 and Mcl-1. Notably, OLP inhibits H2O2 -induced autophagic cell death by modulating autophagy-related death signals, including mTOR (mammalian target of rapamycin), ULK1 (unc-51 like autophagy activating kinase 1), Beclin-1, AMPK (AMP-activated protein kinase), and LC3 (microtubule-associated protein 1a/1b-light chain 3). Our data suggest that OLP might reduce H2O2-induced autophagy and cell apoptosis in MSCs by regulating both the AMPK-ULK axis and the Bcl-2-Mcl-1 axis. Consequently, short-term cell priming with OLP might enhance the therapeutic effect of MSCs against ischemic vascular diseases, which provides an important potential improvement for emerging therapeutic strategies.
Collapse
Affiliation(s)
- Seung Taek Ji
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Yeon-Ju Kim
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Seok Yun Jung
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Da Yeon Kim
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Songhwa Kang
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Ji Hye Park
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Woong Bi Jang
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Jongseong Ha
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; Convergence Stem Cell Research Center, Pusan National University, Yangsan, Republic of Korea
| | - Jisoo Yun
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; Convergence Stem Cell Research Center, Pusan National University, Yangsan, Republic of Korea
| | - Sang-Mo Kwon
- Laboratory for Vascular Medicine and Stem Cell Biology, Medical Research Institute, Department of Physiology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea; Convergence Stem Cell Research Center, Pusan National University, Yangsan, Republic of Korea; Research Institute of Convergence Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea.
| |
Collapse
|
25
|
Jiang L, Wang D, Zhang Y, Li J, Wu Z, Wang Z, Wang D. Investigation of the pro-apoptotic effects of arbutin and its acetylated derivative on murine melanoma cells. Int J Mol Med 2017; 41:1048-1054. [PMID: 29207077 DOI: 10.3892/ijmm.2017.3256] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 10/27/2017] [Indexed: 11/06/2022] Open
Abstract
Arbutin, a natural polyphenol isolated from the bearberry plant Arctostaphylos uvaursi, possesses whitening and anticancer properties. The effects of arbutin on melanogenesis and its pro-apoptotic effect on B16 murine melanoma cells have not yet been reported. In the present study, acetylated arbutin was prepared in order to improve the biological effects of arbutin, and it was found to significantly inhibit the biosynthesis of melanin and tyrosinase activity compared with parent arbutin in B16 murine melanoma cells. Interestingly, only acetylated arbutin strongly inhibited B16 murine melanoma cell migration in a dose-dependent manner. Both arbutin and acetylated arbutin significantly reduced cell viability, promoted cell apoptosis, caused G1 cell cycle arrest and induced mitochondrial disruption in B16 murine melanoma cells. Furthermore, reduced expression of B-cell lymphoma‑extra large (Bcl-xL) and Bcl-2 were observed in arbutin- and acetylated arbutin-treated cells. Therefore, arbutin and acetylated arbutin were found to exert pro-apoptotic effects on B16 murine melanoma cells, mediated through the mitochondrial pathway. The findings of the present study also support the use of acetylated arbutin as a new potential candidate agent for skin whitening and melanoma treatment.
Collapse
Affiliation(s)
- Liyan Jiang
- Laboratory of Molecular Enzymology and Engineering of Ministry of Education, Jilin University, Changchun, Jilin 130012, P.R. China
| | - Di Wang
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China
| | - Yongfeng Zhang
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China
| | - Junyang Li
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China
| | - Zhiping Wu
- School of Life Sciences, Jilin University, Changchun, Jilin 130012, P.R. China
| | - Zhi Wang
- Laboratory of Molecular Enzymology and Engineering of Ministry of Education, Jilin University, Changchun, Jilin 130012, P.R. China
| | - Di Wang
- Laboratory of Molecular Enzymology and Engineering of Ministry of Education, Jilin University, Changchun, Jilin 130012, P.R. China
| |
Collapse
|
26
|
Qi WY, Ou N, Wu XD, Xu HM. New arbutin derivatives from the leaves of Heliciopsis lobata with cytotoxicity. Chin J Nat Med 2017; 14:789-793. [PMID: 28236409 DOI: 10.1016/s1875-5364(16)30094-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Indexed: 10/20/2022]
Abstract
Heliciopsis lobata is a medicinal plant, which is exclusively used to treat tumor in Li folk region. Two new arbutin derivatives, 6'-((E)2-methoxy-5-hydroxycinnamoyl) arbutin (1) and 2'-((E)2, 5-dihydroxycinnamoyl) arbutin (2) along with five known compounds (3-7), were isolated from the leaves of Heliciopsis lobata. Their structures were elucidated on the basis of extensive spectroscopic interpretations. They were evaluated for their potential anticancer activity. Compounds 6 and 7 exhibited cytotoxicity against MGC-803 cells with IC50 values being 44.1 and 11.3 μg·mL-1, respectively. Additionally, compounds 1, 2 and 5-7 exhibited a moderate inhibition of MGC-803 cells invasion; compound 2 at 20 μg·mL-1 inhibited the invasion of MGC-803 cells by 43.0%, compared with the controls.
Collapse
Affiliation(s)
- Wei-Yan Qi
- Department of Marine Pharmacy, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Na Ou
- Department of Marine Pharmacy, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Xiao-Dong Wu
- Department of Marine Pharmacy, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China
| | - Han-Mei Xu
- Department of Marine Pharmacy, School of Life Science and Technology, China Pharmaceutical University, Nanjing, 210009, China.
| |
Collapse
|
27
|
Salehi F, Behboudi H, Kavoosi G, Ardestani SK. Chitosan promotes ROS-mediated apoptosis and S phase cell cycle arrest in triple-negative breast cancer cells: evidence for intercalative interaction with genomic DNA. RSC Adv 2017. [DOI: 10.1039/c7ra06793c] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Chitosan (CS) is a semi-synthetic bio-based polysaccharide with promising biological and antitumor properties.
Collapse
Affiliation(s)
- Fahimeh Salehi
- Institute of Biochemistry and Biophysics
- Department of Biochemistry
- University of Tehran
- Tehran
- Iran
| | - Hossein Behboudi
- Institute of Biochemistry and Biophysics
- Department of Biochemistry
- University of Tehran
- Tehran
- Iran
| | | | - Sussan K. Ardestani
- Institute of Biochemistry and Biophysics
- Department of Biochemistry
- University of Tehran
- Tehran
- Iran
| |
Collapse
|
28
|
Tai A, Ohno A, Ito H. Isolation and Characterization of the 2,2'-Azinobis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) Radical Cation-Scavenging Reaction Products of Arbutin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:7285-7290. [PMID: 27607833 DOI: 10.1021/acs.jafc.6b02847] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Arbutin, a glucoside of hydroquinone, has shown strong 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical cation-scavenging activity, especially in reaction stoichiometry. This study investigated the reaction mechanism of arbutin against ABTS radical cation that caused high stoichiometry of arbutin in an ABTS radical cation-scavenging assay. HPLC analysis of the reaction mixture of arbutin and ABTS radical cation indicated the existence of two reaction products. The two reaction products were purified and identified to be a covalent adduct of arbutin with an ABTS degradation fragment and 3-ethyl-6-sulfonate benzothiazolone. A time-course study of the radical-scavenging reactions of arbutin and the two reaction products suggested that one molecule of arbutin scavenges three ABTS radical cation molecules to generate an arbutin-ABTS fragment adduct as a final reaction product. The results suggest that one molecule of arbutin reduced two ABTS radical cation molecules to ABTS and then cleaved the third ABTS radical cation molecule to generate two products, an arbutin-ABTS fragment adduct and 3-ethyl-6-sulfonate benzothiazolone.
Collapse
Affiliation(s)
- Akihiro Tai
- Faculty of Life and Environmental Sciences, Prefectural University of Hiroshima , Shobara, Hiroshima 727-0023, Japan
| | - Asako Ohno
- Faculty of Life and Environmental Sciences, Prefectural University of Hiroshima , Shobara, Hiroshima 727-0023, Japan
| | - Hideyuki Ito
- Faculty of Health and Welfare Science, Okayama Prefectural University , Soja, Okayama 719-1197, Japan
| |
Collapse
|
29
|
Park HR, Lee H, Park H, Jeon JW, Cho WK, Ma JY. Neuroprotective effects of Liriope platyphylla extract against hydrogen peroxide-induced cytotoxicity in human neuroblastoma SH-SY5Y cells. Altern Ther Health Med 2015; 15:171. [PMID: 26054856 PMCID: PMC4459069 DOI: 10.1186/s12906-015-0679-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 05/19/2015] [Indexed: 02/06/2023]
Abstract
Background Oxidative stress is involved in neuronal cell death and mitochondrial dysfunction in neurodegenerative diseases. Liriope platyphylla (LP) has been suggested to have anti-inflammation, anti-bacterial, and anti-cancer effects. However, whether LP exerts neuroprotective effects on neuronal cells is unknown. Methods The present study was performed to investigate the neuroprotective effects of LP extract (LPE) against hydrogen peroxide (H2O2)-induced injury in human neuroblastoma cells SH-SY5Y. To test neuroprotective effects of LPE, we performed cell viability assay, flow cytometry analysis and western blot analysis. In addition, mitochondrial membrane potential (MMP) and oxidative stress were performed to evaluate the anti-apoptotic and anti-oxidant effects. Results LPE pretreatment conferred significant protection against the H2O2-induced decrease of SH-SY5Y cell viability. H2O2-induced increases of intracellular oxidative stress and mitochondrial dysfunction were attenuated by LPE pretreatment. Therefore, LPE pretreatment prevented SH-SY5Y cell injury. Treatment with H2O2 significantly induced poly(ADP ribose) polymerase (PARP) and caspase-3 cleavage, which was blocked by LPE. We found that p38 activation was involved in the neuroprotective effects of LPE. Conclusions Current findings suggest that LPE exerts neuroprotective effects against H2O2-induced apoptotic cell death by modulating p38 activation in SH-SY5Y cells. Therefore, LPE has potential anti-apoptotic effects that may be neuroprotective in neurodegenerative diseases and aging-related dementia.
Collapse
|