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Li A, Chen AJ, Xu J, Wen ZY, Bai GL, Wang ZY, Jiang YX, Wang P. Rapamycin protects mouse skin from ultraviolet B-induced photodamage by modulating Hspb2-mediated autophagy and apoptosis. Mol Biol Rep 2024; 51:80. [PMID: 38183537 DOI: 10.1007/s11033-023-08954-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 10/24/2023] [Indexed: 01/08/2024]
Abstract
BACKGROUND Continuous exposure to UVB is the main extrinsic cause of skin photodamage, which is associated with oxidative stress, DNA damage, apoptosis and degradation of collagen. Rapamycin, a mechanistic target inhibitor of rapamycin complex 1 (mTORC1), has been shown to play a crucial role anti-tumor and aging retardation, but its mechanism of action in UVB-induced photodamage still remains unknown. In this study, we investigated the role of rapamycin and Hspb2 (also known as Hsp27) in UVB-induced photodamage in mice. METHODS AND RESULTS We constructed skin acute photodamage models on the ears of WT and Hspb2 KO mice, respectively, and administered rapamycin treatment. Histological results showed that knockout of the hspb2 exacerbated the skin damage, as evidenced by thickening of the epidermis, breakage and disruption of collagen fibers and reduction in their number, which is reversed by rapamycin treatment. In addition, hspb2 knockout promoted UVB-induced apoptosis and reduced autophagy levels, with a significant increase in p53 levels and Bax/Bcl-2 ratio, a reduction in LC3II/I ratio and an increase in p62 levels in the KO mice compared to those in WT mice after the same dose of UVB irradiation. Rapamycin was also found to inhibit collagen degradation induced by hspb2 knockdown through activation of the TGF-β/Smad signaling pathway. CONCLUSIONS Rapamycin can alleviate skin photodamage from Hspb2 knockout to some extent. It may be a potential therapeutic drug for skin photodamage. In this study, we investigated the role of rapamycin and Hspb2 in UVB-induced photodamage in mice. Histological results showed that knockout of the hspb2 exacerbated the skin damage, as evidenced by thickening of the epidermis, breakage and disruption of collagen fibers and reduction in their number, which is reversed by rapamycin treatment. In addition, hspb2 knockout promoted UVB-induced apoptosis and reduced autophagy levels. Rapamycin was also found to inhibit collagen degradation induced by hspb2 knockdown through activation of the TGF-β/Smad signaling pathway. We conclude that rapamycin and Hspb2 exert a synergistic protective effect in skin photodamage.
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Affiliation(s)
- Ang Li
- Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Ai-Jun Chen
- Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Jing Xu
- Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Zhu-Yuan Wen
- College of Pediatrics, Chongqing Medical University, Chongqing, 400016, China
| | - Gen-Long Bai
- Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Zi-Yue Wang
- Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Yu-Xin Jiang
- Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Ping Wang
- Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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Beneficial Effects of Opuntia humifusa (Korean Cheonnyuncho) on Human Health Based on Antioxidant Properties: Systematic Review and Meta-Analysis. Antioxidants (Basel) 2023; 12:antiox12010174. [PMID: 36671035 PMCID: PMC9854510 DOI: 10.3390/antiox12010174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/07/2023] [Accepted: 01/10/2023] [Indexed: 01/14/2023] Open
Abstract
In this study, a systematic review and meta-analysis are conducted to evaluate the medical applications of Opuntia humifusa (OH). A total of 171 articles are peer-reviewed; however, only 15 individual studies were included after the manual screening to eliminate unnecessary studies. A comparative standardized means difference (SMD) between the OH and control groups is used as a parameter to demonstrate the beneficial effects of OH for skin aging, cancer, and diabetes treatments based on its antioxidant activities. The OH treatment exhibits positive results in improving collagen synthesis and demonstrates that it is nontoxic to normal human cells without analytical heterogeneity (SMD = 1.18 [0.11, 2.26] and I2 = 0%). Moreover, the results confirm the effectiveness of OH treatment on downregulatory cancers in terms of decreased cancer cell proliferation and tumor weight and increased numbers of cancer cells in the apoptosis phase (pooled SMD = -1.17 [-1.72, -0.62]). However, this comparison does not yield a statistically significant result (I2 = 69%). Additionally, the OH treatment is found to reduce the symptoms of diabetes in diabetic rats, particularly by lowering glucose and triglyceride levels and increasing high-density lipoprotein cholesterol levels. This study suggests that OH extracts are helpful for the prevention of human diseases and might be potential candidates for future medicines.
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Zhang Q, Qiao S, Yang C, Jiang G. Nuclear factor-kappa B and effector molecules in photoaging. Cutan Ocul Toxicol 2022; 41:187-193. [PMID: 35658705 DOI: 10.1080/15569527.2022.2081702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Nuclear factor-kappa B (NF-κB) has important but complex functions in the photoaging of the human skin. This protein complex is activated upon UV irradiation and plays a key role in the signalling pathway of the inflammatory cascade. NF-κB induces the expression of various proinflammatory cytokines, such as tumour necrosis factor (TNF) and interleukin-1 (IL-1). These proinflammatory cytokines can in turn stimulate the activation of NF-κB, forming a vicious cycle. These processes cause chronic inflammation and contribute to skin ageing. In addition, the activation of NF-κB upregulates the expression of matrix metalloproteinases (MMPs) and leads to the degradation of structural proteins in the dermis. NF-κB disrupts the barrier function of the skin under prolonged and repeated UV stimulations in these ways. Such activity causes chronic skin damage, followed by the formation of wrinkles, dryness, roughness, laxity, and other photoaging manifestations. This study on the NF-κB signalling pathway and effector molecules provides a new perspective to understand and prevent photoaging.
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Affiliation(s)
- Qiang Zhang
- Department of Dermatology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Department of Dermatology, Xuzhou Medical University, Xuzhou, China
| | - Shiyun Qiao
- Department of Dermatology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Department of Dermatology, Xuzhou Medical University, Xuzhou, China
| | - Chunsheng Yang
- Department of Dermatology, The Affiliated Huai'an Hospital of Xuzhou Medical University, The Second People's Hospital of Huai'an, Huai'an, China
| | - Guan Jiang
- Department of Dermatology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.,Department of Dermatology, Xuzhou Medical University, Xuzhou, China
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4
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Agostini-Costa TDS. Genetic and environment effects on bioactive compounds of Opuntia cacti – a review. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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5
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Ren W, Ma Y, Liu D, Liang P, Du J, Yang S, Tang L, Wu Y. Chemical composition analysis, antioxidant activity, and target cell‐based screening of the potential active components in jujube and its fermented product. J Food Sci 2022; 87:664-685. [PMID: 35067923 DOI: 10.1111/1750-3841.16022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/17/2021] [Accepted: 11/26/2021] [Indexed: 11/26/2022]
Affiliation(s)
- Wei Ren
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University Luzhou China
- Institute of Modern Chinese Medicine, College of Pharmaceutical Sciences Zhejiang University Hangzhou China
| | - Yue Ma
- Pharmacy Department Affiliated Sichuan Provincial Rehabilitation Hospital of Chengdu University of TCM Chengdu 611100 China
| | - Dan Liu
- Department of Obstetrics and Gynecology the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University Luzhou China
| | - Pan Liang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University Luzhou China
| | - Junfeng Du
- Reform and Technology Bureau of Jia County Jia County People's Government Yulin China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University Luzhou China
| | - Lina Tang
- Research Institute of Wood Industry Chinese Academy of Forestry Beijing China
| | - Yongjiang Wu
- Institute of Modern Chinese Medicine, College of Pharmaceutical Sciences Zhejiang University Hangzhou China
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Anti-Metastatic and Anti-Inflammatory Effects of Matrix Metalloproteinase Inhibition by Ginsenosides. Biomedicines 2021; 9:biomedicines9020198. [PMID: 33671187 PMCID: PMC7921986 DOI: 10.3390/biomedicines9020198] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/12/2021] [Accepted: 02/14/2021] [Indexed: 12/12/2022] Open
Abstract
Matrix metalloproteinases (MMPs) are proteolytic enzymes which cleave extracellular matrix (ECM) and other substrates. They are deeply involved in both cancer metastasis and human chronic inflammatory diseases such as osteoarthritis and Crohn’s disease. Regulation of MMPs is closely associated with signaling molecules, especially mitogen-activated protein kinases (MAPKs), including three representative kinases, extracellular signal regulated kinases (ERK), p38 and c-Jun N-terminal kinases (JNK). Ginseng (Panax sp.) is a plant which has been traditionally used for medicinal applications. Ginsenosides are major metabolites which have potentials to treat various human diseases. In this review, the pharmacological effects of ginsenosides have been rigorously investigated; these include anti-metastatic and anti-inflammatory activities of ginsenosides associated with suppression of MMPs via regulation of various signaling pathways. This will highlight the importance of MMPs as therapeutic targets for anti-metastatic and anti-inflammatory drug development based on ginsenosides.
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Song YR, Lim WC, Han A, Lee MH, Shin EJ, Lee KM, Nam TG, Lim TG. Rose Petal Extract ( Rosa gallica) Exerts Skin Whitening and Anti-Skin Wrinkle Effects. J Med Food 2020; 23:870-878. [PMID: 32609563 DOI: 10.1089/jmf.2020.4705] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
We sought to investigate the effect of extracts from Rosa gallica petals (RPE) on skin whitening and anti-wrinkle activity. Tyrosinase activity was attenuated by RPE treatment, concomitant with the reduction of melanin accumulation in human B16F10 melanoma. Treatment of the facial skin of volunteers in a clinical trial with an RPE-containing formulation enhanced skin brightness (L* value) significantly. The underlying mechanism responsible was determined to be associated with mitogen-activated protein kinase (MAPK) activation. In addition, RPE exhibited anti-wrinkle formation activity of human dermal fibroblasts by suppressing matrix metalloproteinase (MMP)-1 level. In vivo study, RPE also inhibited solar ultraviolet-stimulated MMP-1 level by c-Jun regulation. Overall, our findings indicate that RPE evokes skin whitening and anti-wrinkle formation activity by regulating intracellular signaling, supporting its utility as an ingredient for skin whitening and anti-wrinkle cosmetic products.
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Affiliation(s)
| | | | - Ahram Han
- Korea Food Research Institute, Wanju-gun, Korea
| | | | - Eun Ju Shin
- Korea Food Research Institute, Wanju-gun, Korea
| | - Kwang-Min Lee
- Korea Food Research Institute, Wanju-gun, Korea.,Department of Life Science and Environmental Biochemistry, Pusan National University, Miryang, Korea
| | - Tae-Gyu Nam
- Korea Food Research Institute, Wanju-gun, Korea
| | - Tae-Gyu Lim
- Korea Food Research Institute, Wanju-gun, Korea.,Department of Food Science and Biotechnology, Sejong University, Seoul, Korea
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Moon JY, Ngoc LTN, Chae M, Tran VV, Lee YC. Effects of Microwave-Assisted Opuntia Humifusa Extract in Inhibiting the Impacts of Particulate Matter on Human Keratinocyte Skin Cell. Antioxidants (Basel) 2020; 9:antiox9040271. [PMID: 32218135 PMCID: PMC7222191 DOI: 10.3390/antiox9040271] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 03/21/2020] [Accepted: 03/24/2020] [Indexed: 11/16/2022] Open
Abstract
Particulate matter (PM) is one of the most important factors causing serious skin diseases, due to its generation of reactive oxygen species (ROS) over the course of long-term exposure. As a source of natural antioxidants, Opuntia humifusa (O. humifusa) is a potential candidate for the design of advanced formulations to prevent PM’s harmful effects. Unfortunately, its high viscosity does not allow it to be utilized in these formulations. In this present study, a new approach to the extract of O. humifusa using high-power microwave treatment, namely microwave-assisted O. humifusa extract (MA-OHE), was investigated. The results indicated that MA-OHE not only is a reasonable viscosity extract, but also enhances O. humifusa’s antioxidant properties. Additionally, this study also found that MA-OHE exhibited outstanding antioxidant and anti-inflammatory activities in eliminating PM’s effects, due to suppression of AhR degradation, ROS production, and COX-2 and MMP-9 expression in HaCaT keratinocytes. It is believed that MA-OHE is a potential cosmeceutical ingredient that could be utilized to prevent PM-induced skin oxidative stress and inflammation.
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Affiliation(s)
- Ju-Young Moon
- Department of BioNano Technology, Gachon University, 1342 Seongnam-Daero, Sujeong-Gu, Seongnam-Si, Gyeonggi-do 13120, Korea; (J.-Y.M.); (L.T.N.N.)
| | - Le Thi Nhu Ngoc
- Department of BioNano Technology, Gachon University, 1342 Seongnam-Daero, Sujeong-Gu, Seongnam-Si, Gyeonggi-do 13120, Korea; (J.-Y.M.); (L.T.N.N.)
| | - Minhe Chae
- Biocell Korea Co., Ltd., 1-2FJanghan B/D, 54 Bongeunsa-ro 30-gil, Gangnam-gu, Seoul 04631, Korea;
| | - Vinh Van Tran
- Department of BioNano Technology, Gachon University, 1342 Seongnam-Daero, Sujeong-Gu, Seongnam-Si, Gyeonggi-do 13120, Korea; (J.-Y.M.); (L.T.N.N.)
- Correspondence: (V.V.T.); (Y.-C.L.)
| | - Young-Chul Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-Daero, Sujeong-Gu, Seongnam-Si, Gyeonggi-do 13120, Korea; (J.-Y.M.); (L.T.N.N.)
- Correspondence: (V.V.T.); (Y.-C.L.)
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kandan PV, Balupillai A, Kanimozhi G, Khan HA, Alhomida AS, Prasad NR. Opuntiol Prevents Photoaging of Mouse Skin via Blocking Inflammatory Responses and Collagen Degradation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5275178. [PMID: 33312336 PMCID: PMC7721505 DOI: 10.1155/2020/5275178] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/20/2020] [Accepted: 11/07/2020] [Indexed: 02/05/2023]
Abstract
In the present study, we investigated the potential of opuntiol, isolated from Opuntia ficus-indica, against UVA radiation-mediated inflammation and skin photoaging in experimental animals. The skin-shaved experimental mouse was subjected to UVA exposure at the dosage of 10 J/cm2 per day for ten consecutive days (cumulative UVA dose: 100 J/cm2). Opuntiol (50 mg/kg b.wt.) was topically applied one hour before each UVA exposure. UVA (100 J/cm2) exposure induces epidermal hyperplasia and collagen disarrangement which leads to the photoaging-associated molecular changes in the mouse skin. Opuntiol pretreatment prevented UVA-linked clinical macroscopic skin lesions and histological changes in the mouse skin. Further, opuntiol prevents UVA-linked dermal collagen fiber loss in the mouse skin. Short-term UVA radiation (100 J/cm2) activates MAPKs through AP-1 and NF-κB p65 transcriptional pathways and subsequently induces the expression of inflammatory proteins and matrix-degrading proteinases in the mouse skin. Interestingly, opuntiol pretreatment inhibited UVA-induced activation of iNOS, VEGF, TNF-α, and COX-2 proteins and consequent activation of MMP-2, MMP-9, and MMP-12 in the mouse skin. Moreover, opuntiol was found to prevent collagen I and III breakdown in UVA radiation-exposed mouse skin. Thus, opuntiol protects mouse skin from UVA radiation-associated photoaging responses through inhibiting inflammatory responses, MAPK activation, and degradation of matrix collagen molecules.
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Affiliation(s)
- P. Veeramani kandan
- 1Department of Biochemistry & Biotechnology, Annamalai University, Annamalainagar, 608 002 Tamil Nadu, India
| | - Agilan Balupillai
- 1Department of Biochemistry & Biotechnology, Annamalai University, Annamalainagar, 608 002 Tamil Nadu, India
- 2Department of Biotechnology, Thiruvalluvar University, Serkadu, 632115 Vellore, Tamil Nadu, India
| | - G. Kanimozhi
- 3Department of Biochemistry, Dharmapuram Gnanambigai Government Arts College for Women, Mayiladuthurai, Tamil Nadu, India
| | - Haseeb A. Khan
- 4Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah S. Alhomida
- 4Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Nagarajan Rajendra Prasad
- 1Department of Biochemistry & Biotechnology, Annamalai University, Annamalainagar, 608 002 Tamil Nadu, India
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Ursonic acid exerts inhibitory effects on matrix metalloproteinases via ERK signaling pathway. Chem Biol Interact 2019; 315:108910. [PMID: 31790661 DOI: 10.1016/j.cbi.2019.108910] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/23/2019] [Accepted: 11/27/2019] [Indexed: 01/01/2023]
Abstract
Ursonic acid is a pentacyclic triterpenoid compound that can be extracted from Ziziphus jujuba Mill., a traditional medicine. Matrix metalloproteinases (MMPs) are involved in cancer metastasis and skin aging. Regulation of various MMPs is closely associated with mitogen-activated protein kinases (MAPKs), including ERK, p38, and JNK MAPKs. In this study, we investigated the possibility of ursonic acid as an anti-cancer/anti-skin aging agent targeting MMPs. Cytotoxic effects of ursonic acid were analyzed by cell counting kit-8 (CCK-8) assay. Invasive abilities of ursonic acid-treated A549 and H1299 non-small cell lung cancer (NSCLC) cells were tested with Boyden chamber assay. Effects of ursonic acid on MMPs were analyzed by zymography assays and quantitative real time polymerase chain reaction (qRT-PCR). We also conducted flow cytometry and western blot analysis to elucidate the mechanisms of MMP regulation by ursonic acid. Our results revealed that ursonic acid inhibited transcriptional expression of gelatinases (MMP-2 and MMP-9) via inhibition of ERK and CREB signaling pathways in NSCLC cells. Moreover, ursonic acid reduced mRNA levels of collagenase (MMP-1) via suppression of ERK and c-Fos signaling pathways in HaCaT keratinocytes. These results suggest that ursonic acid could be a potential candidate for development of an effective novel anti-cancer and anti-wrinkle agent.
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Liu Y, Huang X, Wang P, Pan Y, Cao D, Liu C, Chen A. The effects of HSP27 against UVB-induced photoaging in rat skin. Biochem Biophys Res Commun 2019; 512:435-440. [PMID: 30902393 DOI: 10.1016/j.bbrc.2019.03.076] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 03/14/2019] [Indexed: 11/26/2022]
Abstract
Skin photoaging refers to the phenomenon of skin aging or accelerated aging as a result of long-term UV exposure. Ultraviolet radiation can lead to DNA damage, cell apoptosis, cell growth inhibition and carcinogenic effects. Evidence suggests that hsp27 can protect cells from apoptosis induced by various stimuli in vivo and in vitro. However, modulation in hsp27 expression toward skin protection against UVB treatment has not been investigated clearly. In this study, we aimed to investigate the effects of hsp27 against UVB-induced photoaging in rat skin and to explore the underlying mechanisms. In the present study, we identified that the level of hsp27 increased after UVB irradiation induced chronic photoaging rat model. In order to investigate the function of hsp27 in UVB-induced skin photoaging, we used adeno-associated virus (AAV) to specificity reduce the expression of hsp27 in rat skin. In contrast to UVB group, we found that collagen fibers were disorganized and elastic fibers were thickened and twisted in UVB-AAV group. In the UVB-AAV group, reduced hsp27 enhanced the oxidative stress. Aging markers (SA-β-Gal staining and the protein levels of p16, p53, p21) were significantly changed in the hsp27 decreased group. However, in hsp27 deletion group, the expression of antiapoptotic factor bcl-2 was decreased, while the apoptosis factor bax was increased after UVB irradiation. These findings suggested that hsp27 was involved in oxidative stress, aging and apoptosis of skin after UV exposure. Management the expression of hsp27 can be used as a potential intervention method to alleviate UVB-induced skin damage.
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Affiliation(s)
- Yiyi Liu
- Department of Dermatology, The First Affliated Hospital of Chongqing Medical University, Yuzhong, Chongqing, China
| | - Xin Huang
- Prescriptions Department, College of Traditional Chinese Medicine, Chongqing Medical University, Yuzhong, Chongqing, China
| | - Ping Wang
- Department of Dermatology, The First Affliated Hospital of Chongqing Medical University, Yuzhong, Chongqing, China
| | - Yun Pan
- Department of Dermatology, The First Affliated Hospital of Chongqing Medical University, Yuzhong, Chongqing, China
| | - Di Cao
- Department of Dermatology, The First Affliated Hospital of Chongqing Medical University, Yuzhong, Chongqing, China
| | - Chuan Liu
- Department of Dermatology, The First Affliated Hospital of Chongqing Medical University, Yuzhong, Chongqing, China
| | - Aijun Chen
- Department of Dermatology, The First Affliated Hospital of Chongqing Medical University, Yuzhong, Chongqing, China.
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