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Sun Y, Liu X, Shan X, Wang Y, Zhong C, Lu C, Guan B, Yao S, Huo Y, Sun R, Wei M, Dong Z. Comprehensive investigation of differentially expressed ncRNAs, mRNAs, and their ceRNA networks in the regulation of shell color formation in clam, Cyclina sinensis. Gene 2024; 911:148346. [PMID: 38452877 DOI: 10.1016/j.gene.2024.148346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
Noncoding RNAs (ncRNAs) have gained significant attention in recent years due to their crucial roles in various biological processes. However, our understanding of the expression and functions of ncRNAs in Cyclina sinensis, an economically important marine bivalve, remains limited. This study aimed to address this knowledge gap by systematically identifying ncRNAs in the mantles of C. sinensis with purple and white shells. Through our analysis, we identified a differential expression of 1244 mRNAs, 196 lncRNAs, 49 circRNAs, and 23 miRNAs between purple- and white-shell clams. Functional enrichment analysis revealed the involvement of these differentially expressed ncRNAs in biomineralization and pigmentation processes. To gain further insights into the regulatory mechanisms underlying shell color formation, we established competitive endogenous RNA (ceRNA) networks. These networks allowed us to identify targeted differentially expressed miRNAs (DEMis) and genes associated with shell color formation. Based on the ceRNA networks, we obtained an up-down-up lncRNA-miRNA-mRNA network consisting of 13 upregulated lncRNAs and a circRNA-miRNA-mRNA network comprising three upregulated circRNAs (novel_circ_0004787, novel_circ_0001165, novel_circ_0000245). Through these networks, we identified and selected an upregulated novel gene (evm.TU.Hic_asm_7.988) and a downregulated sponge miRNA (hru-miR-1985) as potential contributors to shell color regulation. In summary, the present investigation offers a comprehensive analysis of ncRNA catalogs expressed in the clam mantle of C. sinensis. The findings enhance our comprehension of the molecular mechanisms governing shell coloration and offer new perspectives for selective breeding of C. sinensis in the future.
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Affiliation(s)
- Yuyan Sun
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222000, China
| | - Xuxiao Liu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222000, China
| | - Xin Shan
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China
| | - Yiwo Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China
| | - Chongyu Zhong
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China
| | - Chaofa Lu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China
| | - Bin Guan
- Jiangsu Marine Resources Development Institute, Lianyungang 222000, China
| | - Shun Yao
- Jiangsu Marine Resources Development Institute, Lianyungang 222000, China
| | - Yujia Huo
- Jiangsu Marine Resources Development Institute, Lianyungang 222000, China
| | - Runkai Sun
- Jiangsu Marine Resources Development Institute, Lianyungang 222000, China
| | - Min Wei
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222000, China.
| | - Zhiguo Dong
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Marine Resources Development Institute, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222000, China; Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222000, China.
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2
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Liang X, Zhang C, Shen L, Ding L, Guo H. Role of non‑coding RNAs in UV‑induced radiation effects (Review). Exp Ther Med 2024; 27:262. [PMID: 38756908 PMCID: PMC11097301 DOI: 10.3892/etm.2024.12550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 04/04/2024] [Indexed: 05/18/2024] Open
Abstract
Ultraviolet (UV) is divided into UVA (long-wave, 320-400 nm), UVB (middle-wave, 280-320 nm) and UVC (short-wave, 100-280 nm) based on wavelength. UV radiation (UVR) from sunlight (UVA + UVB) is a major cause of skin photodamage including skin inflammation, aging and pigmentation. Accidental exposure to UVC burns the skin and induces skin cancer. In addition to the skin, UV radiation can also impair visual function. Non-coding RNAs (ncRNAs) are a class of functional RNAs that do not have coding activity but can control cellular processes at the post-transcriptional level, including microRNA (miRNA), long non-coding RNA (lncRNA) and circulatory RNA (circRNA). Through a review of the literature, it was determined that UVR can affect the expression of various ncRNAs, and that this regulation may be wavelength specific. Functionally, ncRNAs participate in the regulation of photodamage through various pathways and play pathogenic or protective regulatory roles. In addition, ncRNAs that are upregulated or downregulated by UVR can serve as biomarkers for UV-induced diseases, aiding in diagnosis and prognosis assessment. Therapeutic strategies targeting ncRNAs, including the use of natural drugs and their extracts, have shown protective effects against UV-induced photodamage. In the present review, an extensive summarization of previous studies was performed and the role and mechanism of ncRNAs in UV-induced radiation effects was reviewed to aid in the diagnosis and treatment of UV-related diseases.
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Affiliation(s)
- Xiaofei Liang
- Department of Laboratory Medicine, The First Hospital of Qiqihar, Qiqihar, Heilongjiang 161000, P.R. China
| | - Chao Zhang
- Department of Laboratory Medicine, The First Hospital of Qiqihar, Qiqihar, Heilongjiang 161000, P.R. China
| | - Lijuan Shen
- Department of Laboratory Medicine, Qiqihar MingZhu Hospital, Qiqihar, Heilongjiang 161000, P.R. China
| | - Ling Ding
- Department of Laboratory Medicine, The First Hospital of Qiqihar, Qiqihar, Heilongjiang 161000, P.R. China
| | - Haipeng Guo
- Department of Laboratory Medicine, The First Hospital of Qiqihar, Qiqihar, Heilongjiang 161000, P.R. China
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Dong J, Peng Z, Chen M, Lai Y, Zhang X, Yu M, Zhong H, Liu J, Yue Y, Shang J. Long Non-Coding RNA Mir17hg Positively Regulates Melanogenesis by Inhibiting TGFβ Receptor 2 under Psychological Stress. J Invest Dermatol 2024; 144:358-368.e10. [PMID: 37709007 DOI: 10.1016/j.jid.2023.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 08/11/2023] [Accepted: 08/13/2023] [Indexed: 09/16/2023]
Abstract
Vitiligo is a common skin depigmentation disorder characterized by the patchy loss of skin color. Nowadays, it is recognized as being correlated with multiple genetic factors as well as the psychological conditions of individuals. Long noncoding RNAs have been reported to underlie the pathogenesis of vitiligo; however, the role of long noncoding RNAs in the stress-related depigmentation process remains largely unknown. In this study, the inhibition of melanocyte function was observed in C57BL/6J mice modeled through chronic restraint stress. Furthermore, downregulation of the expression of the long noncoding RNAs Mir17hg was identified using RNA sequencing. The regulatory role of Mir17hg in melanogenesis was also investigated in melanocytes and zebrafish embryos through overexpression or knockdown. Finally, TGFβ receptor 2 was shown to be a downstream target in Mir17hg-mediated melanogenesis regulation, in which the classical TGFβ/SMAD signaling cascade and the PI3K/AKT/mTOR signaling cascade play important roles. In conclusion, our results revealed an important regulatory role of Mir17hg in melanogenesis through inhibition of TGFβR2, which can provide a potential therapeutic target for treating skin depigmentation disorders.
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Affiliation(s)
- Jing Dong
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zan Peng
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Minghan Chen
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yifan Lai
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xiaofeng Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Meng Yu
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Hui Zhong
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jun Liu
- New Drug Screening Center, Institute of Pharmaceutical Sciences, China Pharmaceutical University, Nanjing, China
| | - Yunyun Yue
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Jing Shang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China; Jiangsu Key Laboratory of TCM Evaluation and Translational Research, China Pharmaceutical University, Nanjing, China; NMPA Key Laboratory for Research and Evaluation of Cosmetics, National Institutes for Food and Drug Control, Beijing, China.
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4
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Zhao J, Zhang X, Zhang D, Tang Q, Bi Y, Yuan L, Yang B, Li X, Li Z, Deng D, Cao W. Critical genes in human photoaged skin identified using weighted gene co-expression network analysis. Genomics 2023; 115:110682. [PMID: 37454939 DOI: 10.1016/j.ygeno.2023.110682] [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: 01/30/2023] [Revised: 05/24/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Photoaging is unique to the skin and is accompanied by an increased risk of tumors. To explore the transcriptomic regulatory mechanism of skin photoaging, the epidermis, and dermis of 16 healthy donors (eight exposed and eight non-exposed) were surgically excised and detected using total RNA-Seq. Weighted gene co-expression network analysis (WGCNA) identified the most relevant modules with exposure. The hub genes were identified using correlation, p-value, and enrichment analysis. The critical genes were identified using Support Vector Machine-Recursive Feature Elimination (SVM-RFE) and least absolute shrinkage and selection operator (LASSO) regression, then enriched using single-gene GSEA. A competitive endogenous RNA (ceRNA) network was constructed and validated using qRT-PCR. Compared with non-exposed sites, 430 mRNAs, 168 lncRNAs, and 136 miRNAs were differentially expressed in the exposed skin. WGCNA identified the module MEthistle and 12 intersecting genes from the 71 genes in this module. The enriched pathways were related to muscle. The critical genes were KLHL41, MYBPC2, and ERAP2. Single-gene GSEA identified the Hippo signaling pathway, basal cell carcinoma, cell adhesion molecules, and other pathways. Six miRNAs and 18 lncRNAs related to the critical genes constituted the ceRNA network and were verified using qPCR. The differential expression of KLHL41, MYBPC2, and ERAP2 at the protein level was verified using immunohistochemistry. KLHL41, MYBPC2, and ERAP2 genes are related to skin photoaging. The prediction model based on the three critical genes can indicate photoaging. These critical genes may have a role in skin photoaging by regulating cell growth, intercellular adhesion, and substance metabolism pathways.
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Affiliation(s)
- Jie Zhao
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Xun Zhang
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Dafu Zhang
- Department of Radiology, Yunnan Cancer Hospital, Kunming, Yunnan, China
| | - Qiao Tang
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China; Department of dermatology, Qionglai City Medical Center Hospital, Qionglai, Sichuan, China
| | - Yunfeng Bi
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Limei Yuan
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Binbin Yang
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Xiaolan Li
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Zhenhui Li
- Department of Radiology, Yunnan Cancer Hospital, Kunming, Yunnan, China.
| | - Danqi Deng
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
| | - Wenting Cao
- Department of dermatology, The Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China.
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5
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Lu W, Kong C, Cheng S, Xu X, Zhang J. Succinoglycan riclin relieves UVB-induced skin injury with anti-oxidant and anti-inflammatory properties. Int J Biol Macromol 2023; 235:123717. [PMID: 36806772 DOI: 10.1016/j.ijbiomac.2023.123717] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/19/2023] [Accepted: 02/12/2023] [Indexed: 02/19/2023]
Abstract
Excessive UVB exposure increases the production of reactive oxygen species (ROS), which causes oxidative damage and epidermal inflammation. Previous studies have identified that the succinoglycan riclin has potent anti-inflammatory properties. The current study aims to investigate whether riclin protects against UVB-induced photodamage. In vitro, riclin demonstrated excellent moisture-preserving properties, along with antioxidant potential by scavenging superoxide anions, hydroxyl and DPPH radicals. Riclin increased Col1α1 and Col3α1 expression in NIH3T3 cells, inhibited oxidation and melanin synthesis by B16F10 cells upon UVB irradiation. In vivo, topical application of riclin effectively attenuated UVB-induced skin damage in C57BL6 mice, which was characterized by erythema, epidermal hyperplasia, hydroxyproline loss and ROS production in skin tissue. Riclin suppressed skin inflammation by the elevation of TNF-α, IL-6, IL-β, and alleviated UVB-induced immune cell up-regulation. Moreover, treatment with a Dectin-1 inhibitor reversed the protective effect of riclin in THP-1 cells.
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Affiliation(s)
- Weiling Lu
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Changchang Kong
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Shijunyin Cheng
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Xiaodong Xu
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Jianfa Zhang
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China.
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6
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Ma LP, Liu MM, Liu F, Sun B, Wang SN, Chen J, Yu HJ, Yan J, Tian M, Gao L, Liu QJ. Melatonin inhibits senescence-associated melanin pigmentation through the p53-TYR pathway in human primary melanocytes and the skin of C57BL/6 J mice after UVB irradiation. J Mol Med (Berl) 2023; 101:581-593. [PMID: 37032347 PMCID: PMC10163137 DOI: 10.1007/s00109-023-02301-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 02/10/2023] [Accepted: 02/27/2023] [Indexed: 04/11/2023]
Abstract
UVB exposure accelerates skin aging and pigmentation. Melatonin effectively regulates tyrosinase (TYR) activity and aging. The purpose of this study was to determine the association between premature senescence and pigmentation, and the mechanism of melanin synthesis effected by melatonin. Primary melanocytes were extracted and identified from the male foreskin. To inhibit TYR expression, primary melanocytes were transduced with the lentivirus pLKD-CMV-EGFP-2A-Puro-U6-TYR. The wild-type TYR(+/+) and TYR(-/-) or TYR(+/-) knockout C57BL/6 J mice were used to determine the role of TYR on melanin synthesis in vivo. Results showed that UVB-induced melanin synthesis is dependent on TYR in primary melanocytes and mice. Furthermore, in primary melanocytes pretreated with Nutlin-3 or PFT-α to up or downregulate p53, results showed that premature senescence and melanin synthesis increased in primary melanocytes after UVB irradiation at 80 mJ/cm2, and further increased after being treated with Nutlin-3, while significantly decreased with PFT-α. In addition, melatonin inhibited UVB-induced premature senescence associated with inactivation of p53 and phosphorylation of p53 on Ser15 (ser-15), a decrease of melanin synthesis accompanied by reduced TYR expression. Moreover, skin erythema and pigmentation induced by UVB were reduced in the dorsal and ear skin of mice topically pretreated with 2.5% melatonin. These indicate that melatonin inhibits UVB-induced senescence-associated pigmentation via the p53-TYR pathway in primary melanocytes and prevents pigmentation obviously in the dorsal and ear skin of C57BL/6 J mice after UVB irradiation. KEY MESSAGES: P53 links UVB irradiation-induced senescence and senescence-associated pigmentation and regulates TYR in primary melanocytes after UVB irradiation. Melatonin inhibits senescence-associated pigmentation through the p53-TYR pathway in primary melanocytes. Melatonin prevents skin erythema and melanin pigmentation induced by UVB irradiation in the dorsal and ear skin of C57BL/6J mice.
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Affiliation(s)
- Li-Ping Ma
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 100088, Beijing, China
| | - Meng-Meng Liu
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 100088, Beijing, China
| | - Fang Liu
- Department of Dermatology, Chaoyang Hospital, Capital Medical University, 100020, Beijing, China
| | - Bo Sun
- PLA Rocket Force Characteristic Medical Center, 100088, Beijing, China
| | - Si-Nian Wang
- PLA Rocket Force Characteristic Medical Center, 100088, Beijing, China
| | - Jie Chen
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 100088, Beijing, China
| | - Hui-Jie Yu
- PLA Rocket Force Characteristic Medical Center, 100088, Beijing, China
| | - Juan Yan
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 100088, Beijing, China
| | - Mei Tian
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 100088, Beijing, China
| | - Ling Gao
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 100088, Beijing, China.
| | - Qing-Jie Liu
- China CDC Key Laboratory of Radiological Protection and Nuclear Emergency, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 100088, Beijing, China.
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Fernandes B, Cavaco-Paulo A, Matamá T. A Comprehensive Review of Mammalian Pigmentation: Paving the Way for Innovative Hair Colour-Changing Cosmetics. BIOLOGY 2023; 12:biology12020290. [PMID: 36829566 PMCID: PMC9953601 DOI: 10.3390/biology12020290] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/26/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023]
Abstract
The natural colour of hair shafts is formed at the bulb of hair follicles, and it is coupled to the hair growth cycle. Three critical processes must happen for efficient pigmentation: (1) melanosome biogenesis in neural crest-derived melanocytes, (2) the biochemical synthesis of melanins (melanogenesis) inside melanosomes, and (3) the transfer of melanin granules to surrounding pre-cortical keratinocytes for their incorporation into nascent hair fibres. All these steps are under complex genetic control. The array of natural hair colour shades are ascribed to polymorphisms in several pigmentary genes. A myriad of factors acting via autocrine, paracrine, and endocrine mechanisms also contributes for hair colour diversity. Given the enormous social and cosmetic importance attributed to hair colour, hair dyeing is today a common practice. Nonetheless, the adverse effects of the long-term usage of such cosmetic procedures demand the development of new methods for colour change. In this context, case reports of hair lightening, darkening and repigmentation as a side-effect of the therapeutic usage of many drugs substantiate the possibility to tune hair colour by interfering with the biology of follicular pigmentary units. By scrutinizing mammalian pigmentation, this review pinpoints key targetable processes for the development of innovative cosmetics that can safely change the hair colour from the inside out.
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Affiliation(s)
- Bruno Fernandes
- CEB—Centre of Biological Engineering, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
| | - Artur Cavaco-Paulo
- CEB—Centre of Biological Engineering, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
- Correspondence: (A.C.-P.); (T.M.); Tel.: +351-253-604-409 (A.C.-P.); +351-253-601-599 (T.M.)
| | - Teresa Matamá
- CEB—Centre of Biological Engineering, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
- Correspondence: (A.C.-P.); (T.M.); Tel.: +351-253-604-409 (A.C.-P.); +351-253-601-599 (T.M.)
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8
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Hu YJ, Song GY, Zhang F, Zhang N, Wang F, Wang JL, Wang X, Wang TY, Li YF, Yan YD, Dou WT, Cheng CY, Xu P. Activation of long-non-coding RNA NEAT1 sponging microRNA-147 inhibits radiation damage by targeting PDPK1 in troxerutin radioprotection. iScience 2023; 26:105932. [PMID: 36698722 PMCID: PMC9868541 DOI: 10.1016/j.isci.2023.105932] [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: 05/11/2022] [Revised: 11/26/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
A better understanding of the molecular mechanism involving the lncRNA-miRNA-mRNA network underlying radiation damage can be beneficial for radioprotection. This study was designed to investigate the potential role of lncRNA NEAT1, miR-147 and Phosphoinositide Dependent Protein Kinase 1 (PDPK1) interaction in radioprotection by troxerutin (TRT). We first demonstrated that NEAT1 sponged miR-147, and PDPK1 mRNA was the primary target of miR-147. In the cells, the NEAT1 and PDPK1 levels were downregulated after the radiation but increased after the treatment with TRT. The miR-147 level was significantly induced by radiation and inhibited by TRT. NEAT1 negatively regulated the expression of miR-147, whereas miR-47 targeted PDPK1 to downregulate its expression. In radioprotection, TRT effectively upregulated NEAT1 to inhibit miR-147 and to upregulate PDPK1. We concluded that TRT could promote radioprotection by stimulating NEAT1 to upregulate PDPK1 expression by suppressing miR-147. NEAT1 could be a critical therapeutic target of radiation damage.
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Affiliation(s)
- Yong-jian Hu
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Gui-yuan Song
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China,School of Public Health, Weifang Medical University, Weifang, Shandong 261000, China,Radiology Laboratory, Central Laboratory, Rizhao People’s Hospital, Rizhao, Shandong 276800, China
| | - Fan Zhang
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Nan Zhang
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China
| | - Fei Wang
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China
| | - Jing-long Wang
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China
| | - Xia Wang
- College of Medical Laboratory, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Tao-yang Wang
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Yu-feng Li
- Radiology Laboratory, Central Laboratory, Rizhao People’s Hospital, Rizhao, Shandong 276800, China
| | - Yi-di Yan
- Basic Medical School, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Wen-tao Dou
- Basic Medical School, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Chen-yi Cheng
- Basic Medical School, Xinxiang Medical University, Xinxiang, Henan 453003, China
| | - Ping Xu
- School of Food and Biomedicine, Zaozhuang University, Zaozhuang, Shandong 277160, China,Henan Key Laboratory of Medical Tissue Regeneration, Xinxiang Medical University, Xinxiang, Henan 453003, China,Corresponding author
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9
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Soheilifar MH, Masoudi-Khoram N, Shirkavand A, Ghorbanifar S. Non-coding RNAs in photoaging-related mechanisms: a new paradigm in skin health. Biogerontology 2022; 23:289-306. [PMID: 35587318 DOI: 10.1007/s10522-022-09966-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/02/2022] [Indexed: 11/25/2022]
Abstract
The aging of skin is a biological process affected by environmental or genetic factors. Exposure to ultraviolet (UV) radiation is the main environmental factor causing skin aging. Cumulative UV-induced photodamage of the skin tissue is associated with premature cellular senescence, extracellular degradation, and inflammatory responses in photoaging processes. Non-coding RNAs (ncRNAs) are untranslated transcripts and master regulators of protein-coding genes. ncRNAs have a critical regulatory role in maintaining skin structure, skin barrier function, morphogenesis, and development. Altered ncRNA expression has been reported in various skin disorders such as photoaging and skin cancers. ncRNAs contribute to the suppression and promotion of photoaging by modulating signaling pathways such as mitogen-activated protein kinase (MAPK) pathway and regulating inflammatory cytokines, matrix metalloproteinases (MMPs), and senescence-associated genes. Elucidation of the functions of ncRNAs will improve the identification of molecular mechanisms underlying photoaging, and can be used in the development of therapeutic approaches in skin health and prevention of sun-induced aging. This review summarized the currently described ncRNAs and their functions in photoaging.
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Affiliation(s)
- Mohammad Hasan Soheilifar
- Department of Medical Laser, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture and Research (ACECR), Enghelab St, 1315795613, Tehran, Iran.
| | - Nastaran Masoudi-Khoram
- Department of Biophysics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Afshan Shirkavand
- Department of Medical Laser, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture and Research (ACECR), Enghelab St, 1315795613, Tehran, Iran
| | - Shima Ghorbanifar
- Department of Medical Laser, Medical Laser Research Center, Yara Institute, Academic Center for Education, Culture and Research (ACECR), Enghelab St, 1315795613, Tehran, Iran
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10
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Wang PS, Wang Z, Yang C. Dysregulations of long non-coding RNAs - The emerging "lnc" in environmental carcinogenesis. Semin Cancer Biol 2021; 76:163-172. [PMID: 33823237 PMCID: PMC8487435 DOI: 10.1016/j.semcancer.2021.03.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/26/2021] [Accepted: 03/28/2021] [Indexed: 02/09/2023]
Abstract
Long non-coding RNAs (lncRNAs) refer to a class of RNA molecules that are more than 200 nucleotides in length and usually lack protein-coding capacity. LncRNAs play important roles in regulating gene expression as well as many aspects of normal physiological processes. Dysregulations of lncRNA expressions and functions are considered to be critically involved in the development and progression of many diseases especially cancer. The lncRNA research in the field of cancer biology over the past decade reveals that a large number of lncRNAs are dysregulated in various types of cancer and that dysregulated lncRNAs may play important roles in cancer initiation, metastasis and therapeutic responses. Metal carcinogens and other common environmental carcinogens such as polycyclic aromatic hydrocarbons, fine particular matters, cigarette smoke, ultraviolet and ionizing radiation are important cancer etiology factors. However, the mechanisms of how metal carcinogens and other common environmental carcinogen exposures initiate cancer and promote cancer progression remain largely unknown. Accumulating evidence show that exposure to metal carcinogens and other common environmental carcinogens dysregulate lncRNA expression in various model systems, which may offer novel mechanistic insights for environmental carcinogenesis. This review will first provide a brief introduction about lncRNA biology and the mechanisms of lncRNA functions, followed by summarizing and discussing recent studies about lncRNA dysregulation by metal carcinogen and other common environment carcinogen exposures and the potential roles of dysregulated lncRNAs in environmental carcinogenesis. A perspective for future studies in this emerging and important field is also presented.
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Affiliation(s)
- Po-Shun Wang
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, 44109, USA
| | - Zhishan Wang
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, 44109, USA
| | - Chengfeng Yang
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH, 44109, USA.
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11
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Wozniak M, Czyz M. The Functional Role of Long Non-Coding RNAs in Melanoma. Cancers (Basel) 2021; 13:cancers13194848. [PMID: 34638331 PMCID: PMC8508152 DOI: 10.3390/cancers13194848] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/23/2021] [Accepted: 09/25/2021] [Indexed: 12/15/2022] Open
Abstract
Melanoma is the most lethal skin cancer, with increasing incidence worldwide. The molecular events that drive melanoma development and progression have been extensively studied, resulting in significant improvements in diagnostics and therapeutic approaches. However, a high drug resistance to targeted therapies and adverse effects of immunotherapies are still a major challenge in melanoma treatment. Therefore, the elucidation of molecular mechanisms of melanomagenesis and cancer response to treatment is of great importance. Recently, many studies have revealed the close association of long noncoding RNAs (lncRNAs) with the development of many cancers, including melanoma. These RNA molecules are able to regulate a plethora of crucial cellular processes including proliferation, differentiation, migration, invasion and apoptosis through diverse mechanisms, and even slight dysregulation of their expression may lead to tumorigenesis. lncRNAs are able to bind to protein complexes, DNA and RNAs, affecting their stability, activity, and localization. They can also regulate gene expression in the nucleus. Several functions of lncRNAs are context-dependent. This review summarizes current knowledge regarding the involvement of lncRNAs in melanoma. Their possible role as prognostic markers of melanoma response to treatment and in resistance to therapy is also discussed.
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Oxyresveratrol-induced Activation of Nrf2/HO-1 Signaling Pathway Enhances Ability of Resveratrol to Inhibit UVB-induced Melanin. INTERNATIONAL JOURNAL OF DERMATOLOGY AND VENEREOLOGY 2021. [DOI: 10.1097/jd9.0000000000000135] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Zhou S, Zeng H, Huang J, Lei L, Tong X, Li S, Zhou Y, Guo H, Khan M, Luo L, Xiao R, Chen J, Zeng Q. Epigenetic regulation of melanogenesis. Ageing Res Rev 2021; 69:101349. [PMID: 33984527 DOI: 10.1016/j.arr.2021.101349] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 04/19/2021] [Accepted: 04/26/2021] [Indexed: 02/07/2023]
Abstract
Melanogenesis is a complex process in which melanin is synthesized in melanocytes and transported to keratinocytes, which involves multiple genes and signaling pathways. Epigenetics refers to the potential genetic changes that affect gene expression without involving changes in the original sequence of DNA nucleotides. DNA methylation regulates the expression of key genes such as tyrosinase (TYR), tyrosinase-related protein 1 (TYRP1), dopachrome tautomerase (DCT) and microphthalmia-associated transcription factor (MITF), as well as paracrine factors such as stem cell factor (SCF) and endothelin-1 (ET-1) in melanogenesis. Potential DNA methylation sites are present in the genes of melanogenesis-related signaling pathways such as "Wnt", "PI3K/Akt/CREB" and "MAPK". H3K27 acetylation is abundant in melanogenesis-related genes. Both the upstream activation and downstream regulation of MITF depend on histone acetyltransferase CBP/p300, and pH-induced H3K27 acetylation may be the amplifying mechanism of MITF's effect. HDAC1 and HDAC10 catalyze histone deacetylation of melanogenesis-related gene promoters. Chromatin remodelers SWI/SNF complex and ISWI complex use the energy of ATP hydrolysis to rearrange nucleosomes, while their active subunits BRG1, BRM and BPTF, act as activators and cofactors of MITF. MicroRNAs (miRNAs) can directly target a large number of melanogenesis-related genes, while long noncoding RNAs (lncRNAs) and circular RNAs (circRNAs) regulate melanogenesis in a variety of ways. Interactions exist among the epigenetic mechanisms of melanogenesis. For example, the methyl CpG binding domain protein 2 (MeCP2) links DNA methylation, histone deacetylation, and histone methylation. Epigenetic-based therapy provides novel opportunities for treating dermatoses that are caused by pigmentation disturbances. This review summarizes the epigenetic regulation mechanisms of melanogenesis, and examines the pathogenesis and treatment of epigenetics in pigmentation disorders.
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Hou W, Lin Y, Xu W, Chen H, Liu Y, Li C, Zheng Y. Identification and biological analysis of LncSPRY4-IT1-targeted functional proteins in photoaging skin. PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE 2021; 37:530-538. [PMID: 34081809 DOI: 10.1111/phpp.12705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 02/17/2021] [Accepted: 05/30/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND/PURPOSE Skin photoaging, main causes of skin aging, is induced by chronic UV irradiation. LncSPRY4-IT1, a broadly expressed lncRNA, takes part in various biological functions by combining with functional protein molecules. However, the role of LncSPRY4-IT1 in skin photoaging process has not been characterized. This study is to investigate the interacting proteins of LncSPRY4-IT1 by combining RNA pull-down, high-throughput, and bioinformatic analysis. METHODS Human skin fibroblasts (HDFs) were exposed to 10 J/cm2 UVA irradiation, once a day for 14 days. LncSPRY4-IT1 expression was qualified via RT-PCR. In vitro RNA pull-down assays and liquid chromatography-mass spectrometry analysis were used to identify the LncSPRY4-IT1-related proteins. Functional annotation analysis and pathway enrichment were preformed via Gene Ontology and KEGG. RESULTS LncSPRY4-IT1 expression in photoaging fibroblasts was increased 1.66 ± 0.23 folds. 181 LncSPRY4-IT1-interacting proteins in UVA-induced photoaging skin fibroblast irradiation were identified, of which 56 proteins with two or more unique peptides, 73 proteins related to RNA processing, and 5 proteins related to DNA processing. High-throughput and bioinformatic analysis showed that LncSPRY4-IT1-targeting proteins were involved in cellular process, metabolic process, biological regulation, and cell part in skin photoaging process. The KEGG revealed that LncSPRY4-IT1-targeting proteins were mainly enriched in metabolic pathways. CONCLUSION The results of our studies illuminate how LncSPRY4-IT1 formed a LncRNA-protein regulatory network in skin photoaging mechanisms and suggest that LncSPRY4-IT1 may serve as a novel upstream intervention target for the prevention and treatment of photoaging and related skin diseases.
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Affiliation(s)
- Wenyi Hou
- Department of Dermato-venereology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Yao Lin
- Department of Dermato-venereology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Weichun Xu
- Department of Dermato-venereology, The Third Affiliated Hospital of Sun Yat-sen University -Yuedong Hospital, Meizhou, China
| | - Haiyan Chen
- Department of Dermato-venereology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Yufang Liu
- Department of Dermato-venereology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
| | - Changxing Li
- Department of Dermatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yue Zheng
- Department of Dermato-venereology, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China
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15
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Ouyang Y, Chen J, Jiang L, Li Y, Hu Y, Li S, Huang J, Zeng Q. UVB-Induced ciRS-7 Activates Melanogenesis by Paracrine Effects. DNA Cell Biol 2021; 40:523-531. [PMID: 33687273 DOI: 10.1089/dna.2020.5489] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Antisense to the cerebellar degeneration-related protein 1 transcript (CDR1as or ciRS-7) is an important member of the circular RNA family and is involved in the regulation of numerous biological functions. Keratinocytes and fibroblasts (FBs) affect melanogenesis through paracrine effects. However, whether ciRS-7 is involved in melanogenesis by regulating paracrine effects remains unclear. This study demonstrates for the first time that ciRS-7 is highly expressed in keratinocytes, FBs, and melanocytes (MCs). Ultraviolet B (UVB) irradiation promotes ciRS-7 expression in keratinocytes and FBs. Following inhibition of ciRS-7 expression in keratinocytes and FBs, the culture supernatant from these cells inhibited melanogenesis of MCs. Further analyses revealed that the expression and secretion of fibroblast growth factor 2 (FGF2) and phosphorylation of STAT3 and AKT in keratinocytes and FBs were significantly downregulated following inhibition of ciRS-7 expression, whereas the level of miR-7 was increased. Overexpression of miR-7 in keratinocytes and FBs significantly inhibited the expression of FGF2. In conclusion, our findings demonstrate that UVB-induced ciRS-7 triggers melanogenesis in MCs through regulation of the miR-7/STAT3 and AKT/FGF2 paracrine axis in both keratinocytes and FBs. ciRS-7 may serve as a regulator in the development of pigmented skin diseases.
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Affiliation(s)
- Yujie Ouyang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Jing Chen
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Ling Jiang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Yumeng Li
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Yibo Hu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Si Li
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Jinhua Huang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Qinghai Zeng
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
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16
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Zhou X, He J, Wang Q, Ma T. MiRNA-128-3p Restrains Malignant Melanoma Cell Malignancy by Targeting NTRK3. Front Oncol 2021; 10:538894. [PMID: 33575204 PMCID: PMC7871904 DOI: 10.3389/fonc.2020.538894] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 12/14/2020] [Indexed: 11/13/2022] Open
Abstract
The functions of non-coding RNA, including microRNA (miRNA), have attracted considerable attention in the field of oncology, In this report, we examined the roles and molecular mechanisms of miR-128-3p, as related to the biological behaviors of malignant melanoma (MM). We found that miR-128-3p was expressed in low levels in these MM cells and may serve as a tumor suppressor by inhibiting proliferation, migration, and invasion, as well as inducing apoptosis in these MM cells. Moreover, neurotrophin receptor 3 (NTRK3), which serves as an oncogene that can enhance malignant behaviors of MM cells, was up-regulated in MM cells. Our current survey disclosed a complementary binding between miR-128-3p and the NTRK3 3' untranslated regions (3'-UTR), while luciferase activities of NTRK3 3'-UTR were restrained by miR-128-3p in 293T cells. The effects of pre-miR-128-3p and sh-NTRK3 as well as anti-miR-128-3p and NTRK3(+) appeared to function synergistically in producing malignant progression. Moreover, there were possible to have counteracted effects for pre-miR-128-3p and NTRK3(+) in malignant progression. These findings established that miR-128-3p can function as a tumor suppressor by inhibiting carcinogenesis of the oncogene, NTRK3. Collectively, miR-128-3p and NTRK3 genes participate in modulating the malignant behavior of MM, and may represent new therapeutic targets for MM.
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Affiliation(s)
- Xinxin Zhou
- Academy of Traditional Chinese Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, China
| | - Jiayuan He
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, China
| | - Qingyuan Wang
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, China
| | - Teng Ma
- Department of Neurobiology, School of Life Sciences, China Medical University, Shenyang, China
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17
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Li S, Zeng H, Huang J, Lu J, Chen J, Zhou Y, Mi L, Zhao X, Lei L, Zeng Q. Identification of the Competing Endogenous RNA Networks in Oxidative Stress Injury of Melanocytes. DNA Cell Biol 2021; 40:192-208. [PMID: 33471583 DOI: 10.1089/dna.2020.5455] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Competing endogenous RNAs (ceRNAs), including long noncoding RNA (lncRNA), circular RNA (circRNA), pseudogenes, synthetic miRNA inhibitors, etc. are classes of RNAs that can compete and interact with each other within an organism. There are regions in these RNAs that can be bound by messenger-RNA-interfering complementary RNA (microRNA), called microRNA response elements (MREs). These RNAs compete with each other to combine complementary microRNAs and MREs to form ceRNA regulatory mechanisms and participate in the regulation of many biological processes. The oxidative stress injury of melanocytes is one of the crucial mechanisms of vitiligo. However, it is unclear whether the ceRNA regulation mechanism is involved in the oxidative stress injury of melanocytes. The purpose of this study is to explore the changes of messenger RNA (mRNA), lncRNAs, and circRNAs in melanocytes under oxidative stress and to identify the key ceRNA regulatory networks. Compared with the normal cells, the chip detection of ceRNA expression profile showed that the expression of 491 mRNAs, 865 lncRNAs, and 1161 circRNAs were altered more than fivefold during the oxidative stress injury of melanocytes. The oxidative stress-related genes (SOD2, PTGS2, DHFR, HMOX1, FOSL1, and PARP1), cell cycle-related genes (CDK1, CCNB1, CCNA2, OIP5, and MK167), and apoptosis-related gene (BIRC5) were identified in the formation of ceRNA regulation networks with lncRNAs and circRNAs, which shares the common MREs. Further verification found that LNCV6_120941_PI430048170 or hsa_circ_0048910 might regulate the expression of SOD2 by sponging hsa-miR-4755-3p, LNCV6_119109_PI430048170, or hsa_circ_0048909 might regulate the expression of HMOX1 by sponging hsa-miR-6721-5p in the oxidative stress injury of melanocytes. In conclusion, complex changes of the ceRNA regulatory network in the oxidative stress response of melanocytes are evident. Oxidative stress may mediate melanocyte injury through the ceRNA regulation mechanism and induce the pathogenesis of vitiligo.
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Affiliation(s)
- Si Li
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Hongliang Zeng
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha, China
| | - Jinhua Huang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Jianyun Lu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Jing Chen
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Ying Zhou
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Lan Mi
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Xiaojiao Zhao
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Li Lei
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
| | - Qinghai Zeng
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, China
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Piipponen M, Nissinen L, Kähäri VM. Long non-coding RNAs in cutaneous biology and keratinocyte carcinomas. Cell Mol Life Sci 2020; 77:4601-4614. [PMID: 32462404 PMCID: PMC7599158 DOI: 10.1007/s00018-020-03554-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 04/29/2020] [Accepted: 05/15/2020] [Indexed: 12/12/2022]
Abstract
Long non-coding RNAs (lncRNAs) are a largely uncharacterized group of non-coding RNAs with diverse regulatory roles in various biological processes. Recent observations have elucidated the functional roles of lncRNAs in cutaneous biology, e.g. in proliferation and differentiation of epidermal keratinocytes and in cutaneous wound repair. Furthermore, the role of lncRNAs in keratinocyte-derived skin cancers is emerging, especially in cutaneous squamous cell carcinoma (cSCC), which presents a significant burden to health care services worldwide and causes high mortality as metastatic disease. Elucidation of the functions of keratinocyte-specific lncRNAs will improve understanding of the molecular pathogenesis of epidermal disorders and skin cancers and can be exploited in development of new diagnostic and therapeutic applications for keratinocyte carcinomas. In this review, we summarize the current evidence of functionally important lncRNAs in cutaneous biology and in keratinocyte carcinomas.
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Affiliation(s)
- Minna Piipponen
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland
| | - Liisa Nissinen
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland
| | - Veli-Matti Kähäri
- Department of Dermatology, University of Turku and Turku University Hospital, Hämeentie 11 TE6, 20520, Turku, Finland.
- Cancer Research Laboratory, Western Cancer Centre of the Cancer Center Finland (FICAN West), University of Turku and Turku University Hospital, Turku, Finland.
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Yang B, Liang RS, Wu XY, Lin YJ. LncRNA TUG1 inhibits neuronal apoptosis in status epilepticus rats via targeting the miR-421/mTOR axis. Cell Signal 2020; 76:109787. [PMID: 33007387 DOI: 10.1016/j.cellsig.2020.109787] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 09/18/2020] [Accepted: 09/18/2020] [Indexed: 02/07/2023]
Abstract
Status epilepticus (SE) induces apoptosis of hippocampal neurons. However, the underlying mechanism in SE is not fully understood. Recently, lncRNA TUG1 is reported as a significant mediator in neuronal development. In present study, we aimed to investigate whether lncRNA TUG1 induces apoptosis of hippocampal neurons in SE rat models. TUG1 expression in serum of normal volunteers and SE patients, SE rats and neurons with epileptiform discharge was detected. SE rat model was established and intervened with TUG1 to evaluate hippocampal neuronal apoptosis. The experiments in vitro were further performed in neurons with epileptiform discharge to verify the effects of TUG1 on neuronal apoptosis of SE rats. The downstream mechanism of TUG1 was predicted and verified. miR-421 was intervened to perform the rescue experiments. Levels of oxidative stress and inflammation-related factors and mTOR pathway-related proteins in SE rats and hippocampal neurons were detected. TUG1 was highly expressed in serum of SE patients, SE rats and neurons with epileptiform discharge. Inhibition of TUG1 relieved pathological injury, oxidative stress and inflammation and reduced neuronal apoptosis in SE rats, which were further verified in hippocampal neurons. TUG1 upregulated TIMP2 expression by targeting miR-421. Overexpressed miR-421 inhibited hippocampal neuronal apoptosis. TUG1 knockout inactivated the mTOR pathway via the miR-421/TIMP2 axis to relieve neuronal apoptosis, oxidative stress and inflammation in SE rats and hippocampal neurons. Taken together, these findings showed that downregulation of lncRNA TUG1 inhibited apoptosis of hippocampal neurons in SE rats, and attenuated oxidative stress and inflammation damage through regulating the miR-421/mTOR axis.
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Affiliation(s)
- Bin Yang
- Affiliated Union Hospital of Fujian Medical University, Department of Neurosurgery, Fuzhou, Fujian, China
| | - Ri-Sheng Liang
- Affiliated Union Hospital of Fujian Medical University, Department of Neurosurgery, Fuzhou, Fujian, China.
| | - Xi-Yao Wu
- Affiliated Union Hospital of Fujian Medical University, Department of Neurosurgery, Fuzhou, Fujian, China
| | - Yao-Jing Lin
- Affiliated Union Hospital of Fujian Medical University, Department of Neurosurgery, Fuzhou, Fujian, China
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20
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Insight into the roles of long non-coding RNAs in ultraviolet-induced skin diseases. Chin Med J (Engl) 2020; 134:398-400. [PMID: 32932284 PMCID: PMC7909141 DOI: 10.1097/cm9.0000000000001062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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21
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GWAS Analysis of 17,019 Korean Women Identifies the Variants Associated with Facial Pigmented Spots. J Invest Dermatol 2020; 141:555-562. [PMID: 32835660 DOI: 10.1016/j.jid.2020.08.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 08/09/2020] [Accepted: 08/14/2020] [Indexed: 12/20/2022]
Abstract
Variation in skin pigmentation can be affected by both environmental factors and intrinsic factors such as age, gender, and genetic variation. Recent GWASs revealed that genetic variants of genes functionally related to a pigmentation pathway were associated with skin pigmentary traits. However, these GWASs focused on populations with European ancestry, and only a few studies have been performed on Asian populations, limiting our understanding of the genetic basis of skin pigmentary traits in Asians. To evaluate the genetic variants associated with facial pigmented spots, we conducted a GWAS analysis of objectively measured facial pigmented spots in 17,019 Korean women. This large-scale GWAS identified several genomic loci that were significantly associated with facial pigmented spots (five previously reported loci and two previously unreported loci, to our knowledge), which were detected by UV light: BNC2 at 9p22 (rs16935073; P-value = 2.11 × 10-46), PPARGC1B at 5q32 (rs32579; P-value = 9.04 × 10-42), 10q26 (rs11198112; P-value = 9.66 × 10-38), MC1R at 16q24 (rs2228479; P-value = 6.62 × 10-21), lnc01877 at 2q33 (rs12693889; P-value = 1.59 × 10-11), CDKN2B-AS1 at 9p21 (rs643319; P-value = 7.76 × 10-9), and MFSD12 at 19p13 (rs2240751; P-value = 9.70 × 10-9). Further functional characterization of the candidate genes needs to be done to fully evaluate their contribution to facial pigmented spots.
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22
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Targeting steroid receptor RNA activator (SRA), a long non-coding RNA, enhances melanogenesis through activation of TRP1 and inhibition of p38 phosphorylation. PLoS One 2020; 15:e0237577. [PMID: 32790741 PMCID: PMC7425936 DOI: 10.1371/journal.pone.0237577] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 07/29/2020] [Indexed: 12/20/2022] Open
Abstract
Abnormal skin melanin homeostasis results in refractory pigmentary diseases. Melanogenesis is influenced by gene regulation, ultraviolet radiation, and host epigenetic responses. Steroid receptor RNA activator (SRA), a long noncoding RNA, is known to regulate steroidogenesis and tumorigenesis. However, how SRA contributes to melanogenesis remains unknown. Using RNA interference against SRA in B16 and A375 melanoma cells, we observed increased pigmentation and increased expression of TRP1 and TRP2 at transcriptional and translational levels only in B16 cells. The constitutive phosphorylation of p38 in B16-shCtrl cells was inhibited in cells with knocked down SRAi. Moreover, the melanin content of control B16 cells was increased by SB202190, a p38 inhibitor. Furthermore, reduced p38 phosphorylation, enhanced TRP1 expression, and hypermelanosis were observed in A375 cells with RNA interference. These results indicate that SRA-p38-TRP1 axis has a regulatory role in melanin homeostasis and that SRA might be a potential therapeutic target for treating pigmentary diseases.
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23
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Miguel V, Lamas S, Espinosa-Diez C. Role of non-coding-RNAs in response to environmental stressors and consequences on human health. Redox Biol 2020; 37:101580. [PMID: 32723695 PMCID: PMC7767735 DOI: 10.1016/j.redox.2020.101580] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 05/10/2020] [Accepted: 05/11/2020] [Indexed: 12/18/2022] Open
Abstract
Environmental risk factors, including physicochemical agents, noise and mental stress, have a considerable impact on human health. This environmental exposure may lead to epigenetic reprogramming, including changes in non-coding RNAs (ncRNAs) signatures, which can contribute to the pathophysiology state. Oxidative stress is one of the results of this environmental disturbance by modifying cellular processes such as apoptosis, signal transduction cascades, and DNA repair mechanisms. In this review, we delineate environmental risk factors and their influence on (ncRNAs) in connection to disease. We focus on well-studied miRNAs and analyze the novel roles of long-non-coding-RNAs (lncRNAs). We discuss commonly regulated lncRNAs after exposure to different stressors, such as UV, heavy metals and pesticides among others, and the potential role of these lncRNA as exposure biomarkers, epigenetic regulators and potential therapeutic targets to diminish the deleterious secondary response to environmental agents. Environmental stressors induce epigenetic changes that lead to long-lasting gene expression changes and pathology development. NcRNAs, miRNAs and lncRNAs, are epigenetic modifiers susceptible to changes in expression after environmental insults . LncRNAs influence cell function partnering with other biomolecules such as proteins, DNA, RNA or other ncRNAs. LncRNA dysregulation affects cell development, carcinogenesis, vascular disease and neurodegenerative disorders. ncRNA signatures can be potentially used as biomarkers to identify exposure to specific environmental stressors.
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Affiliation(s)
- Verónica Miguel
- Programme of Physiological and Pathological Processes, Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - Santiago Lamas
- Programme of Physiological and Pathological Processes, Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Madrid, Spain
| | - Cristina Espinosa-Diez
- Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh, PA, USA.
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24
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Zeng B, Li K, Yang Z, Wang H, Wang C, Huang P, Pan Y. Isoimperatorin (ISO) reduces melanin content in keratinocytes via miR-3619/CSTB and miR-3619/CSTD axes. Biosci Biotechnol Biochem 2020; 84:1436-1443. [PMID: 32299303 DOI: 10.1080/09168451.2020.1751581] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Melanin metabolism disorders may cause severe impacts on the psychological and social activities of patients. Different from the other two steps of melanin metabolism, namely synthesis and transport, little has been known about the mechanism of melanin degradation. Isoimperatorin (ISO) suppressed the activity of tyrosinase, an essential enzyme in melanin biosynthesis, hence, we investigated the effects and mechanism of ISO in melanin reduction. ISO stimulation significantly reduces the melanin contents and PMEL 17 protein levels; meanwhile, the activity and the protein levels of two critical lysosomal enzymes, Cathepsin B and Cathepsin D, can be significantly increased by ISO treatment. MiR-3619 inhibited the expression of CSTB and CSTD, therefore affecting ISO-induced degradation of melanin. In summary, ISO reduces the melanin content via miR-3619/CSTB and miR-3619/CSTD axes. ISO could be a potent skin-whitening agent, which needs further in vivo and clinical investigation.
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Affiliation(s)
- Bijun Zeng
- Department of Dermatology, the Second Affiliated Hospital, the Domestic First-class Discipline Construction Project of Chinese Medicine, Hunan University of Chinese Medicine , Changsha, Hunan, China
| | - Kai Li
- Department of Dermatology, the Second Affiliated Hospital, the Domestic First-class Discipline Construction Project of Chinese Medicine, Hunan University of Chinese Medicine , Changsha, Hunan, China
| | - Zhibo Yang
- Department of Dermatology, the Second Affiliated Hospital, the Domestic First-class Discipline Construction Project of Chinese Medicine, Hunan University of Chinese Medicine , Changsha, Hunan, China
| | - Haizhen Wang
- Department of Dermatology, the Second Affiliated Hospital, the Domestic First-class Discipline Construction Project of Chinese Medicine, Hunan University of Chinese Medicine , Changsha, Hunan, China
| | - Chang Wang
- Department of Dermatology, the Second Affiliated Hospital, the Domestic First-class Discipline Construction Project of Chinese Medicine, Hunan University of Chinese Medicine , Changsha, Hunan, China
| | - Pan Huang
- Department of Dermatology, the Second Affiliated Hospital, the Domestic First-class Discipline Construction Project of Chinese Medicine, Hunan University of Chinese Medicine , Changsha, Hunan, China
| | - Yi Pan
- Department of Dermatology, the Second Affiliated Hospital, the Domestic First-class Discipline Construction Project of Chinese Medicine, Hunan University of Chinese Medicine , Changsha, Hunan, China
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25
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Liu P, Zhang B, Chen Z, He Y, Du Y, Liu Y, Chen X. m 6A-induced lncRNA MALAT1 aggravates renal fibrogenesis in obstructive nephropathy through the miR-145/FAK pathway. Aging (Albany NY) 2020; 12:5280-5299. [PMID: 32203053 PMCID: PMC7138587 DOI: 10.18632/aging.102950] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 03/09/2020] [Indexed: 01/15/2023]
Abstract
Renal fibrosis is a key factor in chronic kidney disease (CKD). Long non-coding RNAs (lncRNAs) play important roles in the physiological and pathological progression of human diseases. However, the roles and underlying mechanisms of lncRNAs in renal fibrosis still need to be discovered. In this study, we first displayed the increased lncRNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) expression in renal fibrosis in patients with obstructive nephropathy (ON). Then we found that transforming growth factor beta 1 (TGF-β1) induced epithelial-mesenchymal transition (EMT) and extracellular matrix (ECM) protein deposition, which promoted the viability, proliferation and migration of human renal proximal tubular epithelial (HK2) cells. Next, MALAT1/miR-145/focal adhesion kinase (FAK) pathway was confirmed to play an importment role in TGF-β1-induced renal fibrosis. In addition, the MALAT1/miR-145/FAK pathway was involved in the effect of dihydroartemisinin (DHA) on TGF-β1-induced renal fibrosis in vitro and in vivo. Furthermore, m6A methyltransferase methyltransferase-like 3 (METTL3) was shown to be the main methyltransferase of m6A modification on MALAT1.
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Affiliation(s)
- Peihua Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Bo Zhang
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Zhi Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Yao He
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Yongchao Du
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Yuhang Liu
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
| | - Xiang Chen
- Department of Urology, Xiangya Hospital, Central South University, Changsha 410008, Hunan, PR China
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26
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Li K, Zhang M, Chen H, Peng J, Jiang F, Shi X, Bai Y, Jian M, Jia Y. Anthocyanins from black peanut skin protect against UV-B induced keratinocyte cell and skin oxidative damage through activating Nrf 2 signaling. Food Funct 2020; 10:6815-6828. [PMID: 31577300 DOI: 10.1039/c9fo00706g] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Excessive Ultraviolet (UV) irradiation induces skin damage. In the present study, the potential protective activity of anthocyanins (cyanidin-3-O-sophoroside and cyanidin-3-O-sambubioside) from black peanut against skin damage induced by UV-B was evaluated in vitro and in vivo. Treatment with anthocyanins significantly reversed UV-B induced oxidative damage and following apoptotic death in human HaCaT cells. Nuclear-factor-E2-related factor 2 (Nrf 2) was activated by anthocyanins through Nrf 2 protein stabilization and nuclear translocation, along with the expressions of antioxidant responsive element (ARE)- related genes (HO1, GCLC and NOQ1). Nrf 2 knockdown in HaCaT cells by targeted-shRNA plasmid markedly abolished the protective activity of anthocyanins against UV-B irradiation. Additionally, topical application of anthocyanins (5 mg cm-2) inhibited UV-B induced oxidative stress and cell apoptosis in BALB/c mouse skin tissues. The protective effect of anthocyanins can be explained by the regulation of oxidative-stress and the suppression of cell apoptosis through the activation of Nrf-2 by interaction with the MAPK and NF-κB signaling pathways. Our results suggested that anthocyanins from black peanut skin might be used as a potential photochemo-protective agent against UV-B induced skin damage.
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Affiliation(s)
- Kaikai Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
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27
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Li C, Shen C, Shang X, Tang L, Xiong W, Ge H, Zhang H, Lu S, Shen Y, Wang J, Fei J, Wang Z. Two novel testis-specific long noncoding RNAs produced by <i>1700121C10Rik</i> are dispensable for male fertility in mice. J Reprod Dev 2019; 66:57-65. [PMID: 31801914 PMCID: PMC7040208 DOI: 10.1262/jrd.2019-104] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Testis-specific genes are prone to affect spermatogenesis or sperm fertility, and thus may play pivotal roles in male reproduction. However, whether a gene really affects male reproduction
in vivo needs to be confirmed using a gene knock-out (KO) model, a ‘gold standard’ method. Increasing studies have found that some of the evolutionarily conserved
testis-enriched genes are not essential for male fertility. In this study, we report that 1700121C10Rik, a previously uncharacterized gene, is specifically expressed in the
testis and produces two long noncoding RNAs (lncRNAs) in mouse: Transcript 1 and Transcript 2. qRT-PCR, northern blotting, and in situ hybridization revealed that expression
of both the lncRNAs commenced at the onset of sexual maturity and was predominant in round and elongating spermatids during spermiogenesis. Moreover, we found different subcellular
localization of Transcript 1 and Transcript 2 that was predominant in the cytoplasm and nucleus, respectively. 1700121C10Rik-KO mouse model disrupting Transcript 1 and
Transcript 2 expression was generated by CRISPR/Cas9 to determine their role in male reproduction. Results showed that 1700121C10Rik-KO male mice were fully fertile with
approximately standard testis size, testicular histology, sperm production, sperm morphology, sperm motility, and induction of acrosome reaction. Thus, we conclude that both the
testis-specific 1700121C10Rik-produced lncRNAs are dispensable for male fertility in mice under standard laboratory conditions.
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Affiliation(s)
- Chaojie Li
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Chunling Shen
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Xuan Shang
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Lingyun Tang
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Wenfeng Xiong
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Haoyang Ge
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Hongxin Zhang
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Shunyuan Lu
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Yan Shen
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Jinjin Wang
- Shanghai Research Center for Model Organisms, Shanghai 201203, China
| | - Jian Fei
- Shanghai Research Center for Model Organisms, Shanghai 201203, China
| | - Zhugang Wang
- State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China.,Shanghai Research Center for Model Organisms, Shanghai 201203, China
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28
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Naderi-Meshkin H, Lai X, Amirkhah R, Vera J, Rasko JEJ, Schmitz U. Exosomal lncRNAs and cancer: connecting the missing links. Bioinformatics 2019; 35:352-360. [PMID: 30649349 DOI: 10.1093/bioinformatics/bty527] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 06/28/2018] [Indexed: 12/13/2022] Open
Abstract
Motivation Extracellular vesicles (EVs), including exosomes and microvesicles, are potent and clinically valuable tools for early diagnosis, prognosis and potentially the targeted treatment of cancer. The content of EVs is closely related to the type and status of the EV-secreting cell. Circulating exosomes are a source of stable RNAs including mRNAs, microRNAs and long non-coding RNAs (lncRNAs). Results This review outlines the links between EVs, lncRNAs and cancer. We highlight communication networks involving the tumor microenvironment, the immune system and metastasis. We show examples supporting the value of exosomal lncRNAs as cancer biomarkers and therapeutic targets. We demonstrate how a system biology approach can be used to model cell-cell communication via exosomal lncRNAs and to simulate effects of therapeutic interventions. In addition, we introduce algorithms and bioinformatics resources for the discovery of tumor-specific lncRNAs and tools that are applied to determine exosome content and lncRNA function. Finally, this review provides a comprehensive collection and guide to databases for exosomal lncRNAs. Supplementary information Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Hojjat Naderi-Meshkin
- Stem Cells & Regenerative Medicine Research Group, Academic Center for Education, Culture Research (ACECR), Khorasan Razavi Branch, Mashhad, Iran.,Nastaran Center for Cancer Prevention, Mashhad, Iran
| | - Xin Lai
- Laboratory of Systems Tumour Immunology, Department of Dermatology, Friedrich-Alexander-University of Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Raheleh Amirkhah
- Nastaran Center for Cancer Prevention, Mashhad, Iran.,Reza Institute of Cancer Bioinformatics and Personalized Medicine, Mashhad, Iran
| | - Julio Vera
- Laboratory of Systems Tumour Immunology, Department of Dermatology, Friedrich-Alexander-University of Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany
| | - John E J Rasko
- Gene and Stem Cell Therapy Program, Centenary Institute, University of Sydney, Camperdown, Australia.,Sydney Medical School, University of Sydney, Camperdown, Australia.,Cell and Molecular Therapies, Royal Prince Alfred Hospital, Camperdown, Australia
| | - Ulf Schmitz
- Gene and Stem Cell Therapy Program, Centenary Institute, University of Sydney, Camperdown, Australia.,Sydney Medical School, University of Sydney, Camperdown, Australia
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29
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Chang SP, Huang HM, Shen SC, Lee WR, Chen YC. Nilotinib induction of melanogenesis via reactive oxygen species-dependent JNK activation in B16F0 mouse melanoma cells. Exp Dermatol 2019; 27:1388-1394. [PMID: 30290020 DOI: 10.1111/exd.13797] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 10/01/2018] [Indexed: 12/15/2022]
Abstract
Nilotinib (AMN), a second-generation tyrosine kinase inhibitor, induces apoptosis in various cancer cells, and our recent study showed that AMN effectively reduced the viability of human ovarian cancer cells via mitochondrion-dependent apoptosis. The effect of AMN in the melanogenesis of melanoma cells is still unclear. In the present study, we found that the addition of AMN but not imatinib (STI) significantly increased the darkness of B16F0 melanoma cells, and the absorptive value increased with the concentration of AMN. A decrease in the viability of B16F0 cells by AMN was detected in a concentration-dependent manner, accompanied by increased DNA ladders, hypodiploid cells and cleavage of the caspase-3 protein. An in vitro tyrosinase (TYR) activity assay showed that increased TYR activity by AMN was detected in a concentration-dependent manner; however, induction of TYR activity by STI at a concentration of 40 μmol/L was observed. Increased intracellular peroxide by AMN was detected in B16F0 cells, and application of the antioxidant, N-acetylcysteine (NAC), significantly reduced AMN-induced peroxide production which also reduced the darkness of B16F0 cells. Additionally, AMN induced c-Jun N-terminal kinase (JNK) protein phosphorylation in B16F0 cells, which was inhibited by the addition of NAC. AMN-induced melanogenesis of B16F0 cells was significantly inhibited by the addition of NAC and the JNK inhibitor, SP600125 (SP). Data of Western blotting showed that increased protein levels of melanogenesis-related enzymes of tyrosinase-related protein-1 (TRP1), TRP2 and TYR were observed in AMN-treated B16F0 cells which were inhibited by the addition of NAC and SP. Evidence is provided supporting AMN effectively inducing the melanogenesis of B16F0 melanoma cells via reactive oxygen species-dependent JNK activation.
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Affiliation(s)
- Shao-Ping Chang
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Huei-Mei Huang
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Shing-Chuan Shen
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Woan-Ruoh Lee
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yen-Chou Chen
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan.,International MS/PhD Program in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Cancer Research Center and Orthopedics Research Center, Taipei Medical University Hospital, Taipei, Taiwan
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30
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Nie J, Wu J, Chen Z, Jiao Y, Zhang J, Tian H, Li J, Tong J. Expression profiles of long non-coding RNA in mouse lung tissue exposed to radon. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2019; 82:854-861. [PMID: 31496446 DOI: 10.1080/15287394.2019.1664011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Long non-coding RNAs (lncRNA) exert biological functions by interacting with RNAs, proteins, and DNA. Although lung damage associated with radon exposure was attributed to disturbances in microRNA and protein expression, the influence of radon on lncRNA is at present not known. The aim of this study was to (1) examine the effect of radon on lncRNA-mediated expression of transcription factors in mRNA in mouse lung tissue and (2) determine potential function and targets. Female BALB/c mice were divided into two groups: control and radon exposure to approximately 100,000 Bq/m3 (equivalent up to 60 working level month, WLM).RNA was extracted from lung tissue and used for high through-put lncRNA microarray analysis. A total of 1256 lncRNA transcripts were differentially expressed between the two groups of mice. Among these, the top 200 lncRNA-mRNA sets, with fold change of >2 and p-value <.05, were selected for KEGG analysis. Functional analysis via bioinformatics prediction in this study also suggested involvement of ErbB and Notch pathways in radon-induced mouse pulmonary injury. The results from immunohistochemical and Western blot analysis indicated that EbB2 and k-Ras protein expressions were significantly increased. In conclusion, approximately 1,000 dysregulated lncRNA transcripts were found in radon-exposed mice and these lncRNA may play an important role in lung damage following radon exposure. The observations in this study also suggested that ErbB2 and Notch pathways are activated and may be involved in radon-induced pulmonary toxicity.
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Affiliation(s)
- Jihua Nie
- School of Public Health, Medical College of Soochow University , Suzhou , China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Genetic Diseases , Suzhou , China
- School of Radiation Medicine and Protection and Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University , Suzhou , China
| | - Jing Wu
- School of Public Health, Medical College of Soochow University , Suzhou , China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Genetic Diseases , Suzhou , China
| | - Zhihai Chen
- School of Public Health, Medical College of Soochow University , Suzhou , China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Genetic Diseases , Suzhou , China
| | - Yang Jiao
- School of Radiation Medicine and Protection and Jiangsu Provincial Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University , Suzhou , China
| | - Jie Zhang
- School of Public Health, Medical College of Soochow University , Suzhou , China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Genetic Diseases , Suzhou , China
| | - Hailin Tian
- School of Public Health, Medical College of Soochow University , Suzhou , China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Genetic Diseases , Suzhou , China
| | - Jianxiang Li
- School of Public Health, Medical College of Soochow University , Suzhou , China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Genetic Diseases , Suzhou , China
| | - Jian Tong
- School of Public Health, Medical College of Soochow University , Suzhou , China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Genetic Diseases , Suzhou , China
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31
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Pei S, Chen J, Lu J, Hu S, Jiang L, Lei L, Ouyang Y, Fu C, Ding Y, Li S, Kang L, Huang L, Xiang H, Xiao R, Zeng Q, Huang J. The Long Noncoding RNA UCA1 Negatively Regulates Melanogenesis in Melanocytes. J Invest Dermatol 2019; 140:152-163.e5. [PMID: 31276678 DOI: 10.1016/j.jid.2019.04.029] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 04/08/2019] [Accepted: 04/14/2019] [Indexed: 02/09/2023]
Abstract
The long noncoding RNA UCA1 was first discovered in bladder cancer and is known to regulate the proliferation and migration of melanoma. However, its role in melanogenesis is unclear. In this study, we aimed to explore the role and mechanism of UCA1 in melanogenesis. Our findings showed that the expression of UCA1 was negatively correlated with melanin content in melanocytes and pigmented nevus. Overexpression of UCA1 in melanocytes decreased melanin content and the expression of melanogenesis-related genes, whereas knockdown of UCA1 in melanocytes had the opposite effect. High-throughput sequencing revealed that microphthalmia-associated transcription factor (MITF), an important transcription factor affecting melanogenesis, was also negatively correlated with the expression of UCA1. Furthermore, the transcription factor CRE-binding protein (CREB), which promotes MITF expression, was negatively regulated by UCA1. The cAMP/protein kinase A (PKA), extracellular signal-regulated kinase (ERK), and c-Jun N-terminal kinase (JNK) signaling pathways, which are upstream of the CREB/MITF/melanogenesis axis, were activated or inhibited in response to silencing or enhancing UCA1 expression, respectively. In addition, enhanced UCA1 expression downregulates the expression of melanogenesis-related genes induced by UVB in melanocytes. In conclusion, UCA1 may negatively regulate the CREB/MITF/melanogenesis axis through inhibiting the cAMP/PKA, ERK, and JNK signaling pathways in melanocytes. UCA1 may be a potential therapeutic target for the treatment of pigmented skin diseases.
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Affiliation(s)
- Shiyao Pei
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jing Chen
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jianyun Lu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shuanghai Hu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ling Jiang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Li Lei
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China; Hunan Key Laboratory of Skin Cancer and Psoriasis, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yujie Ouyang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Chuhan Fu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yufang Ding
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Si Li
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Liyang Kang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lihua Huang
- Central Laboratory, Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Hong Xiang
- Central Laboratory, Third Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Rong Xiao
- Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qinghai Zeng
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Jinhua Huang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China.
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32
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LncRNAs Regulatory Networks in Cellular Senescence. Int J Mol Sci 2019; 20:ijms20112615. [PMID: 31141943 PMCID: PMC6600251 DOI: 10.3390/ijms20112615] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 04/19/2019] [Accepted: 05/06/2019] [Indexed: 02/07/2023] Open
Abstract
Long noncoding RNAs (lncRNAs) are a class of transcripts longer than 200 nucleotides with no open reading frame. They play a key role in the regulation of cellular processes such as genome integrity, chromatin organization, gene expression, translation regulation, and signal transduction. Recent studies indicated that lncRNAs are not only dysregulated in different types of diseases but also function as direct effectors or mediators for many pathological symptoms. This review focuses on the current findings of the lncRNAs and their dysregulated signaling pathways in senescence. Different functional mechanisms of lncRNAs and their downstream signaling pathways are integrated to provide a bird’s-eye view of lncRNA networks in senescence. This review not only highlights the role of lncRNAs in cell fate decision but also discusses how several feedback loops are interconnected to execute persistent senescence response. Finally, the significance of lncRNAs in senescence-associated diseases and their therapeutic and diagnostic potentials are highlighted.
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33
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Fu C, Chen J, Lu J, Pei S, Hu S, Jiang L, Ding Y, Huang L, Xiang H, Huang J, Zeng Q. Downregulation of
TUG
1 promotes melanogenesis and
UVB
‐induced melanogenesis. Exp Dermatol 2019; 28:730-733. [PMID: 30924963 DOI: 10.1111/exd.13929] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Accepted: 03/18/2019] [Indexed: 01/22/2023]
Affiliation(s)
- Chuhan Fu
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Jing Chen
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Jianyun Lu
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Shiyao Pei
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Shuanghai Hu
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Ling Jiang
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Yufang Ding
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Lihua Huang
- Central Laboratory Third Xiangya Hospital of Central South University Changsha China
| | - Hong Xiang
- Central Laboratory Third Xiangya Hospital of Central South University Changsha China
| | - Jinhua Huang
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
| | - Qinghai Zeng
- Department of Dermatology Third Xiangya Hospital of Central South University Changsha China
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Chen Y, Cao K, Li J, Wang A, Sun L, Tang J, Xiong W, Zhou X, Chen X, Zhou J, Liu Y. Overexpression of long non-coding RNA NORAD promotes invasion and migration in malignant melanoma via regulating the MIR-205-EGLN2 pathway. Cancer Med 2019; 8:1744-1754. [PMID: 30843652 PMCID: PMC6488211 DOI: 10.1002/cam4.2046] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 01/21/2019] [Accepted: 01/25/2019] [Indexed: 12/28/2022] Open
Abstract
Growing evidence suggests that long non-coding RNAs NORAD and miR-205 play a significant role in regulating cancer progression and metastasis. In this study, high expression of NORAD was firstly observed in melanoma tissues and human malignant melanoma cell lines, our aim was to study the interaction of them in the process of invasion and migration of malignant melanoma cells. NORAD, miR-205, and EGLN2 mRNA level in MM cells was detected by qRT-PCR. In situ hybridization (ISH) was performed to detect NORAD expression in MM tissues specimens. Effects of NORAD and miR-205 on Prolyl hydroxylase 2 (EGLN2) expression was explored by western blot in MM cells line. Dual-luciferase reporter assay was performed to verify the interaction relationship between NORAD and miR-205, as well as, miR-205 and EGLN2. Transwell assay was conducted to explore the effects of NORAD and miR-205 in vitro. Xenografts in nude mice experiment were used to confirm the role of NORAD and miR-205 in vivo. In vitro, NORAD knockdown significantly inhibited migration and invasion of malignant melanoma cells and elevated the expression of miR-205, there was an interaction between miR-205 and NORAD in the RNA-induced silencing complex. Upregulation of miR-205 induced significant inhibition of migratory and invasive ability compared with the scrambled control. However, downregulating NORAD largely reversed this effect. Furthermore, the regulatory effects of miR-205 on EGLN2 levels and the induction of endoplasmic reticulum stress were reversed by NORAD. In vivo, deletion of miR-205 induced tumor growth in nude mice. NORAD may play critical roles in tumorigenesis and progression of malignant melanoma by regulating of the miR-205-EGLN2 pathway, and may serve as a new therapeutic target.
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Affiliation(s)
- Yong Chen
- Department of Plastic Surgery of Third Xiangya Hospital, Changsha, China.,Surgical Department, Emergency Department, The First Hospital of Changsha, Changsha, China
| | - Ke Cao
- Department of Oncology of Third Xiangya Hospital, Changsha, China
| | - Jingjing Li
- Department of Plastic Surgery of Third Xiangya Hospital, Changsha, China
| | - Aijun Wang
- Surgical Bioengineering Laboratory, Department of Surgery, UC Davis School of Medicine, Sacramento, California
| | - Lichun Sun
- Medicine School of Tulane University Health Science Center, New Orleans, Louisiana
| | - Jintian Tang
- Institute of Medical Physics and Engineering, Department of Engineering Physics, Tsinghua University, Beijing, China
| | - Wei Xiong
- Cancer Research Institute, Key Laboratory of Carcinogenesis of Ministry of Health, Changsha, China
| | - Xiao Zhou
- Department of Head and Neck Surgery, Department of Oncology Plastic Surgery, Hunan Province Cancer Hospital, Changsha, China
| | - Xiang Chen
- Department of Dermatology of Xiangya Hospital, Changsha, China
| | - Jianda Zhou
- Department of Plastic Surgery of Third Xiangya Hospital, Changsha, China
| | - Yan Liu
- Department of Plastic Surgery of Third Xiangya Hospital, Changsha, China
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Wang J, Yin J, Wang X, Liu H, Hu Y, Yan X, Zhuang B, Yu Z, Han S. Changing expression profiles of mRNA, lncRNA, circRNA, and miRNA in lung tissue reveal the pathophysiological of bronchopulmonary dysplasia (BPD) in mouse model. J Cell Biochem 2019; 120:9369-9380. [PMID: 30802330 DOI: 10.1002/jcb.28212] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 11/15/2018] [Indexed: 12/26/2022]
Abstract
New perinatal care technologies have improved the survival rate of preterm neonates, but the prevalence of bronchopulmonary dysplasia (BPD), one of the most intractable problems in neonatal intensive care unit (NICU), remains unchanged. In present study, high-throughput sequencing (HTS) was performed to detect the expression profiles of long noncoding RNAs (lncRNAs), messenger RNAs (mRNAs), circular RNAs (circRNAs), and microRNAs (miRNAs) in hyperoxia-induced BPD mouse model. Significant differentially expressed RNAs were selected and clustered between the BPD group and the control group. The results revealed that expressions of 1778 lncRNAs, 1240 mRNAs, 97 circRNAs, and 201 miRNAs were significantly altered in the BPD group. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) were performed to predict the potential functions of differentially expressed RNAs. lncRNA-mRNA and circRNA-miRNA coexpression networks were constructed to detect their association with the pathogenesis of BPD. Our study provides a systematic perspective on the potential function of RNAs during BPD.
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Affiliation(s)
- Juan Wang
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China.,Department of Pediatrics, The First People's Hospital of Lianyungang City, Lianyungang, Jiangsu, China
| | - Jing Yin
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Xingyun Wang
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Heng Liu
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Yin Hu
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Xiangyun Yan
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Bin Zhuang
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Zhangbin Yu
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
| | - Shuping Han
- Department of Pediatrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu, China
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36
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Long Noncoding RNAs in the Regulation of Oxidative Stress. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:1318795. [PMID: 30911342 PMCID: PMC6398004 DOI: 10.1155/2019/1318795] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 11/29/2018] [Accepted: 12/18/2018] [Indexed: 12/25/2022]
Abstract
Oxidative stress takes responsibility for various diseases, such as chronic obstructive pulmonary disease (COPD), Alzheimer's disease (AD), and cardiovascular disease; nevertheless, there is still a lack of specific biomarkers for the guidance of diagnosis and treatment of oxidative stress-related diseases. In recent years, growing studies have documented that oxidative stress has crucial correlations with long noncoding RNAs (lncRNAs), which have been identified as important transcriptions involving the process of oxidative stress, inflammation, etc. and been regarded as the potential specific biomarkers. In this paper, we review links between oxidative stress and lncRNAs, highlight lncRNAs that refer to oxidative stress, and conclude that lncRNAs have played a negative or positive role in the oxidation/antioxidant system, which may be helpful for the further investigation of specific biomarkers of oxidative stress-related diseases.
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37
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Yu JL, Li C, Che LH, Zhao YH, Guo YB. Downregulation of long noncoding RNA H19 rescues hippocampal neurons from apoptosis and oxidative stress by inhibiting IGF2 methylation in mice with streptozotocin-induced diabetes mellitus. J Cell Physiol 2018; 234:10655-10670. [PMID: 30536889 DOI: 10.1002/jcp.27746] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 10/18/2018] [Indexed: 12/22/2022]
Abstract
The diabetes mellitus (DM)-induced reduction of neurogenesis in the hippocampus is consequently accompanied by cognitive decline. The present study set out to define the critical role played by long noncoding RNA H19 (lncRNA H19) in the apoptosis of hippocampal neurons, as well as oxidative stress (OS) in streptozotocin (STZ)-induced DM mice through regulation of insulin-like growth factor 2 (IGF2) methylation. The expression of lncRNA H19 in the hippocampal neurons and surviving neurons were detected. Hippocampal neurons were cultured and transfected with oe-H19, sh-H19, oe-IGF2, or sh-IGF2, followed by detection of the expressions of IGF2 and apoptosis-related genes. Determination of the lipid peroxide and glutathione levels was conducted, while antioxidant enzyme activity was identified. The IGF2 methylation, the binding of lncRNA H19 to DNA methyltransferase, and the binding of lncRNA H19 to IGF2 promoter region were detected. DM mice exhibited high expressions of H19, as well as a decreased hippocampal neurons survival rate. Higher lncRNA H19 expression was found in DM. Upregulated lncRNA H19 significantly increased the expression of Bax and caspase-3 but decreased that of Bcl-2, thus promoting the apoptosis of hippocampal neuron. Besides, upregulation of lncRNA H19 induced OS. LncRNA H19 was observed to bind specifically to the IGF2 gene promoter region and promote IGF2 methylation by enriching DNA methyltransferase, thereby silencing IGF2 expression. Taken together, downregulated lncRNA H19 reduces IGF2 methylation and enhances its expression, thereby suppressing hippocampal neuron apoptosis and OS in STZ-induced (DM) mice.
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Affiliation(s)
- Jin-Lu Yu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Chao Li
- Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Li-He Che
- Department of Infectious Diseases, The First Hospital of Jilin University, Changchun, China
| | - Yu-Hao Zhao
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Yun-Bao Guo
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
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38
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Hu S, Huang J, Pei S, Ouyang Y, Ding Y, Jiang L, Lu J, Kang L, Huang L, Xiang H, Xiao R, Zeng Q, Chen J. Ganoderma lucidum polysaccharide inhibits UVB-induced melanogenesis by antagonizing cAMP/PKA and ROS/MAPK signaling pathways. J Cell Physiol 2018; 234:7330-7340. [PMID: 30362532 DOI: 10.1002/jcp.27492] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 09/06/2018] [Indexed: 12/30/2022]
Abstract
Ultraviolet (UV)-induced pigmentation is very common in clinical practice, but the current treatments are rarely effective, accompanied by some side effects. Ganoderma lucidum polysaccharide (GLP) is a natural antioxidant with no toxic side effects, which can antagonize UVB-induced fibroblast photo aging. The study aims to explore the role of GLP in inhibiting UVB-induced melanogenesis and its possible mechanism. The expression of melanogenesis genes such as microphthalmia-associated transcription factor (MITF), tyrosine (TYR), tyrosinase related protein 1 (TYRP1), tyrosinase related protein 2 (TYRP2), ras-related protein Rab-27A (Rab27A), and Myosin shows an upward trend after exposure of B16F10 and PIG1 cells to UVB irradiation, but GLP can downregulate the expression of genes related to UVB-induced melanogenesis. GLP can inhibit UVB-activated protein kinase A (PKA) and mitogen-activated protein kinase (MAPK) signaling pathways. Besides, GLP protects mitochondria from UVB damage and inhibits reactive oxygen species (ROS) production. Also, UVB-induced cyclic adenosine monophosphate (cAMP) can be inhibited. It has been found in the experiments of UVB-induced skin pigmentation in zebrafish that GLP is capable of inhibiting UVB-induced skin pigmentation. Meanwhile, it can greatly relieve erythema reaction in guinea pig skin caused by high-dosage UVB irradiation. In conclusion, this study shows that GLP can inhibit UVB-induced melanogenesis by antagonizing cAMP/PKA and ROS/MAPK signaling pathways and is a potential natural safe whitening sunscreen additive.
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Affiliation(s)
- Shuanghai Hu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jinhua Huang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shiyao Pei
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yujie Ouyang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yufang Ding
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ling Jiang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jianyun Lu
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Liyang Kang
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lihua Huang
- Central Laboratory, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hong Xiang
- Central Laboratory, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Rong Xiao
- Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qinghai Zeng
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jing Chen
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
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Abstract
SIGNIFICANCE RNA is a heterogeneous class of molecules with the minority being protein coding. Noncoding RNAs (ncRNAs) are involved in translation and epigenetic control mechanisms of gene expression. Recent Advances: In recent years, the number of identified ncRNAs has dramatically increased and it is now clear that ncRNAs provide a complex layer of differential gene expression control. CRITICAL ISSUES NcRNAs exhibit interplay with redox regulation. Redox regulation alters the expression of ncRNAs; conversely, ncRNAs alter the expression of generator and effector systems of redox regulation in a complex manner, which will be the focus of this review article. FUTURE DIRECTIONS Understanding the role of ncRNA in redox control will lead to the development of new strategies to alter redox programs. Given that many ncRNAs (particularly microRNAs [miRNAs]) change large gene sets, these molecules are attractive drug candidates; already, now miRNAs can be targeted in patients. Therefore, the development of ncRNA therapies focusing on these molecules is an attractive future strategy. Antioxid. Redox Signal. 29, 793-812.
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Affiliation(s)
- Matthias S Leisegang
- 1 Institute for Cardiovascular Physiology, Goethe-University , Frankfurt, Germany .,2 German Center of Cardiovascular Research (DZHK) , Partner Site RheinMain, Frankfurt, Germany
| | - Katrin Schröder
- 1 Institute for Cardiovascular Physiology, Goethe-University , Frankfurt, Germany .,2 German Center of Cardiovascular Research (DZHK) , Partner Site RheinMain, Frankfurt, Germany
| | - Ralf P Brandes
- 1 Institute for Cardiovascular Physiology, Goethe-University , Frankfurt, Germany .,2 German Center of Cardiovascular Research (DZHK) , Partner Site RheinMain, Frankfurt, Germany
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40
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Ji K, Fan R, Zhang J, Yang S, Dong C. Long non-coding RNA expression profile in Cdk5-knockdown mouse skin. Gene 2018; 672:195-201. [DOI: 10.1016/j.gene.2018.05.120] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 05/27/2018] [Accepted: 05/31/2018] [Indexed: 01/16/2023]
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41
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Serre C, Busuttil V, Botto JM. Intrinsic and extrinsic regulation of human skin melanogenesis and pigmentation. Int J Cosmet Sci 2018; 40:328-347. [PMID: 29752874 DOI: 10.1111/ics.12466] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 05/04/2018] [Indexed: 12/11/2022]
Abstract
In human skin, melanogenesis is a tightly regulated process. Indeed, several extracellular signals are transduced via dedicated signalling pathways and mostly converge to MITF, a transcription factor integrating upstream signalling and regulating downstream genes involved in the various inherent mechanisms modulating melanogenesis. The synthesis of melanin pigments occurs in melanocytes inside melanosomes where melanogenic enzymes (tyrosinase and related proteins) are addressed with the help of specific protein complexes. The melanosomes loaded with melanin are then transferred to keratinocytes. A more elaborate level of melanogenesis regulation comes into play via the action of non-coding RNAs (microRNAs, lncRNAs). Besides this canonical regulation, melanogenesis can also be modulated by other non-specific intrinsic pathways (hormonal environment, inflammation) and by extrinsic factors (solar irradiation such as ultraviolet irradiation, environmental pollution). We developed a bioinformatic interaction network gathering the multiple aspects of melanogenesis and skin pigmentation as a resource to better understand and study skin pigmentation biology.
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Affiliation(s)
- C Serre
- Global Skin Research Center, Ashland, 655, route du Pin Montard, Sophia Antipolis, 06904, France
| | - V Busuttil
- Global Skin Research Center, Ashland, 655, route du Pin Montard, Sophia Antipolis, 06904, France
| | - J-M Botto
- Global Skin Research Center, Ashland, 655, route du Pin Montard, Sophia Antipolis, 06904, France
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42
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Aryankalayil MJ, Chopra S, Levin J, Eke I, Makinde A, Das S, Shankavaram U, Vanpouille-Box C, Demaria S, Coleman CN. Radiation-Induced Long Noncoding RNAs in a Mouse Model after Whole-Body Irradiation. Radiat Res 2018; 189:251-263. [PMID: 29309266 PMCID: PMC5967844 DOI: 10.1667/rr14891.1] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Long noncoding RNAs (lncRNAs) are emerging as key molecules in regulating many biological processes and have been implicated in development and disease pathogenesis. Biomarkers of cancer and normal tissue response to treatment are of great interest in precision medicine, as well as in public health and medical management, such as for assessment of radiation injury after an accidental or intentional exposure. Circulating and functional RNAs, including microRNAs (miRNAs) and lncRNAs, in whole blood and other body fluids are potential valuable candidates as biomarkers. Early prediction of possible acute, intermediate and delayed effects of radiation exposure enables timely therapeutic interventions. To address whether long noncoding RNAs (lncRNAs) could serve as biomarkers for radiation biodosimetry we performed whole genome transcriptome analysis in a mouse model after whole-body irradiation. Differential lncRNA expression patterns were evaluated at 16, 24 and 48 h postirradiation in total RNA isolated from whole blood of mice exposed to 1, 2, 4, 8 and 12 Gy of X rays. Sham-irradiated animals served as controls. Significant alterations in the expression patterns of lncRNAs were observed after different radiation doses at the various time points. We identified several radiation-induced lncRNAs known for DNA damage response as well as immune response. Long noncoding RNA targets of tumor protein 53 (P53), Trp53cor1, Dino, Pvt1 and Tug1 and an upstream regulator of p53, Meg3, were altered in response to radiation. Gm14005 ( Morrbid) and Tmevpg1 were regulated by radiation across all time points and doses. These two lncRNAs have important potential as blood-based radiation biomarkers; Gm14005 ( Morrbid) has recently been shown to play a key role in inflammatory response, while Tmevpg1 has been implicated in the regulation of interferon gamma. Precise molecular biomarkers, likely involving a diverse group of inducible molecules, will not only enable the development and effective use of medical countermeasures but may also be used to detect and circumvent or mitigate normal tissue injury in cancer radiotherapy.
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Affiliation(s)
| | - Sunita Chopra
- Radiation Oncology Branch, Center for Cancer Research, NMional Cancer Institute, Bethesda, Maryland
| | - Joel Levin
- Radiation Oncology Branch, Center for Cancer Research, NMional Cancer Institute, Bethesda, Maryland
| | - Iris Eke
- Radiation Oncology Branch, Center for Cancer Research, NMional Cancer Institute, Bethesda, Maryland
| | - Adeola Makinde
- Radiation Oncology Branch, Center for Cancer Research, NMional Cancer Institute, Bethesda, Maryland
| | - Shaoli Das
- Radiation Oncology Branch, Center for Cancer Research, NMional Cancer Institute, Bethesda, Maryland
| | - Uma Shankavaram
- Radiation Oncology Branch, Center for Cancer Research, NMional Cancer Institute, Bethesda, Maryland
| | | | - Sandra Demaria
- Department of Radiation Oncology, Weill Cornell Medicine, New York, New York
| | - C. Norman Coleman
- Radiation Oncology Branch, Center for Cancer Research, NMional Cancer Institute, Bethesda, Maryland
- Radiation Research Progrnm, National Cancer Institute, National Institutes of Health, Rockville, Maryland
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Feng D, Li Q, Yu H, Kong L, Du S. Transcriptional profiling of long non-coding RNAs in mantle of Crassostrea gigas and their association with shell pigmentation. Sci Rep 2018; 8:1436. [PMID: 29362405 PMCID: PMC5780484 DOI: 10.1038/s41598-018-19950-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Accepted: 01/10/2018] [Indexed: 02/07/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) play crucial roles in diverse biological processes and have drawn extensive attention in the past few years. However, lncRNAs remain poorly understood about expression and roles in Crassostrea gigas, a potential model organism for marine molluscan studies. Here, we systematically identified lncRNAs in the mantles of C. gigas from four full-sib families characterized by white, black, golden, and partially pigmented shell. Using poly(A)-independent and strand-specific RNA-seq, a total of 441,205,852 clean reads and 12,243 lncRNA transcripts were obtained. LncRNA transcripts were relatively short with few exons and low levels of expression in comparison to protein coding mRNA transcripts. A total of 427 lncRNAs and 349 mRNAs were identified to differentially express among six pairwise groups, mainly involving in biomineralization and pigmentation through functional enrichment. Furthermore, a total of 6 mRNAs and their cis-acting lncRNAs were predicted to involve in synthesis of melanin, carotenoid, tetrapyrrole, or ommochrome. Of them, chorion peroxidase and its cis-acting lincRNA TCONS_00951105 are implicated in playing an essential role in the melanin synthetic pathway. Our studies provided the first systematic characterization of lncRNAs catalog expressed in oyster mantle, which may facilitate understanding the molecular regulation of shell colour diversity and provide new insights into future selective breeding of C. gigas for aquaculture.
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Affiliation(s)
- Dandan Feng
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Qi Li
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China.
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266237, China.
| | - Hong Yu
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Lingfeng Kong
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, 266003, China
| | - Shaojun Du
- Institute of Marine and Environmental Technology, Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD, United States
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44
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Li M, Li L, Zhang X, Yan Y, Wang B. LncRNA RP11-670E13.6 Regulates Cell Cycle Progression in UVB Damaged Human Dermal Fibroblasts. Photochem Photobiol 2018; 94:589-597. [PMID: 29143326 DOI: 10.1111/php.12858] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Accepted: 10/17/2017] [Indexed: 12/22/2022]
Abstract
Long noncoding RNAs (lncRNAs) have gained extensive attention in recent years, however, their effects on ultraviolet (UV) radiation-induced skin photodamage remain to be elucidated. In this study, we performed high-throughput RNA sequencing and comprehensive bioinformatics analyses to characterize the transcriptome profiles including lncRNAs and mRNAs in UVB-irradiated primary human dermal fibroblasts (HDFs) and to explore the roles of lncRNAs in photoaging. Quantitative reverse transcription-polymerase chain reaction amplification was performed to verify the differentially expressed genes. We subsequently found that knocking down of RP11-670E13.6, an up-regulated lncRNA in UVB-irradiated HDFs, promoted a robust senescence phenotype, including increased numbers of the senescence-associated β-galactosidase-positive cells, decreased cell proliferation, accumulation of cells in G0/G1 phase and a characteristic gene expression signature of senescent cells. In addition, Western blot analysis showed that knocking down of RP11-670E13.6 activated the p16-pRB senescence pathway independent of the p53-p21 pathway. Therefore, we propose that RP11-670E13.6 may delay cellular senescence in UVB damaged HDFs through the p16-pRB pathway.
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Affiliation(s)
- Mengna Li
- Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Li Li
- Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaofeng Zhang
- Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yan Yan
- Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Baoxi Wang
- Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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45
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Gong J, Huang M, Wang F, Ma X, Liu H, Tu Y, Xing L, Zhu X, Zheng H, Fang J, Li X, Wang Q, Wang J, Sun Z, Wang X, Wang Y, Guo C, Tang TS. RBM45 competes with HDAC1 for binding to FUS in response to DNA damage. Nucleic Acids Res 2018; 45:12862-12876. [PMID: 29140459 PMCID: PMC5728411 DOI: 10.1093/nar/gkx1102] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 10/24/2017] [Indexed: 12/12/2022] Open
Abstract
DNA damage response (DDR) is essential for genome stability and human health. Recently, several RNA binding proteins (RBPs), including fused-in-sarcoma (FUS), have been found unexpectedly to modulate this process. The role of FUS in DDR is closely linked to the pathogenesis of amyotrophic lateral sclerosis (ALS), a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord. Given that RBM45 is also an ALS-associated RBP, we wondered whether RBM45 plays any function during this process. Here, we report that RBM45 can be recruited to laser microirradiation-induced DNA damage sites in a PAR- and FUS-dependent manner, but in a RNA-independent fashion. Depletion of RBM45 leads to abnormal DDR signaling and decreased efficiency in DNA double-stranded break repair. Interestingly, RBM45 is found to compete with histone deacetylase 1 (HDAC1) for binding to FUS, thereby regulating the recruitment of HDAC1 to DNA damage sites. A common familial ALS-associated FUS mutation (FUS-R521C) is revealed to prefer to cooperate with RBM45 than HDAC1. Our findings suggest that RBM45 is a key regulator in FUS-related DDR signaling whose dysfunction may contribute to the pathogenesis of ALS.
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Affiliation(s)
- Juanjuan Gong
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Min Huang
- CAS Key Laboratory of Genomics and Precision Medicine, Beijing Institute of Genomics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Fengli Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiaolu Ma
- CAS Key Laboratory of Genomics and Precision Medicine, Beijing Institute of Genomics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Hongmei Liu
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Yingfeng Tu
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Lingyu Xing
- CAS Key Laboratory of Genomics and Precision Medicine, Beijing Institute of Genomics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Xuefei Zhu
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Hui Zheng
- CAS Key Laboratory of Genomics and Precision Medicine, Beijing Institute of Genomics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Junjie Fang
- CAS Key Laboratory of Genomics and Precision Medicine, Beijing Institute of Genomics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Xiaoling Li
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Qiaochu Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Jiuqiang Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhongshuai Sun
- CAS Key Laboratory of Genomics and Precision Medicine, Beijing Institute of Genomics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Xi Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Yun Wang
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Caixia Guo
- CAS Key Laboratory of Genomics and Precision Medicine, Beijing Institute of Genomics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
| | - Tie-Shan Tang
- State Key Laboratory of Membrane Biology, Institute of Zoology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China
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Synergistic Promotion on Tyrosinase Inhibition by Antioxidants. Molecules 2018; 23:molecules23010106. [PMID: 29300356 PMCID: PMC6017046 DOI: 10.3390/molecules23010106] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 12/31/2017] [Accepted: 01/02/2018] [Indexed: 01/01/2023] Open
Abstract
When exposed to ultraviolet radiation, the human skin produces profuse reactive oxygen species (ROS), which in turn activate a variety of biological responses. Mounting ROS levels activate tyrosinase by mobilizing α-melanocyte-stimulating hormone in the epidermis and finally stimulates the melanocytes to produce melanin. Meanwhile, the Keap1-Nrf2/ARE pathway, which removes ROS, is activated at increased ROS levels, and antioxidant compounds facilitates the dissociation of Nrf2. In this study, we explored the possible suppressing effects of antioxidant compounds and tyrosine inhibitors on melanin formation and the promotory effects of these compounds on ROS scavenging. The antioxidant activity of glabridin (GLA), resveratrol (RES), oxyresveratrol (OXYR), and phenylethylresorcinol (PR) were investigated via the stable free radical 2,2-diphenyl-1-picrylhydrazyl method. The inhibitory effects of the four compounds and their mixtures on tyrosinase were evaluated. l-Tyrosine or 3-(3,4-dihydroxyphenyl)-l-alanine (l-DOPA) was used as a substrate. The results showed that all mixtures did not exhibit synergistic effects with the l-tyrosine as a substrate, suggesting that l-tyrosine is not suitable as a substrate. However, the mixtures of “GLA:RES,” “GLA:OXYR,” “OXYR:RES,” and “PR:RES” demonstrated synergistic effects (CI < 0.9, p < 0.05), whereas “GLA:RES” and “PR:OXYR” indicated an additive effect (0.9 ditive1, p < 0.05). Furthermore, we used a molecular docking strategy to study the interactions of the four compounds with tyrosinase and l-DOPA. The molecular docking result is consistent with that of the experiment. Finally, we selected RES + OXYR and used PIG1 cells to verify whether OXYR synergistically promotes RES activity on tyrosinase. The two agents had a synergistic inhibitory effect on tyrosinase activity. These results provided a novel synergistic strategy for antioxidants and tyrosinase inhibitors, and this strategy is useful in skin injury treatment.
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Liu C, Xie H, Yu J, Chen X, Tang S, Sun L, Chen X, Peng D, Zhang X, Zhou J. A targeted therapy for melanoma by graphene oxide composite with microRNA carrier. Drug Des Devel Ther 2018; 12:3095-3106. [PMID: 30275686 PMCID: PMC6157538 DOI: 10.2147/dddt.s160088] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Nowadays, the combination of microRNA (miR) is attracting increased attention in clinical cancer trials. However, the clinical use of miR is highly limited because of certain properties such as instability, low-specificity distribution, and metabolic toxicity. METHODS In order to improve the anti-tumor efficacy and reduce the side effects of miR in treating melanoma, a combination of graphene oxide (GO), chitosan (CS), and a cellular penetrating peptide, MPG, was prepared with solid dispersion method in this research. The research has analyzed the specific components of nano drug-loading complexes GO-CS and GO-CS-MPG through characterization research and confirmed the bio-safety of the carrier material GO-CS-MPG. RESULTS The GO-CS-MPG-miR33a/miR199a nano drug-loading complex was successfully constructed and its medical effectiveness was verified. Through the subcutaneous tumor implantation experiment, an evident effect of the drug-loading complex in inhibiting melanoma cells was proven. CONCLUSION Results suggest that GO-CS-MPG may have potential applications in melanoma therapy.
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Affiliation(s)
- Can Liu
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China,
| | - Huiqing Xie
- Department of Rehabilitation, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China
| | - Jingang Yu
- School of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan, 410013, China
| | - Xiaoqing Chen
- School of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan, 410013, China
| | - Shijie Tang
- Cleft Lip and Palate Treatment Center, The Second Affliated Hospital, Shantou University Medical College, Shantou, Guangdong, 515041, China
| | - Lichun Sun
- Department of Medicine, School of Medicine, Tulane Health Sciences Center, New Orleans, LA, USA
| | - Xiang Chen
- Department of Dermatology, The Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Defei Peng
- Department of Burns and Plastic Surgery, Guizhou Provincial People's Hospital, Guiyang, Guizhou, 550002, China
| | - Xiangyan Zhang
- Department of Nursing, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China,
| | - Jianda Zhou
- Department of Plastic Surgery, The Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, China,
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48
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Kim KH, Kim HJ, Lee TR. Epidermal long non-coding RNAs are regulated by ultraviolet irradiation. Gene 2017; 637:196-202. [DOI: 10.1016/j.gene.2017.09.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 09/15/2017] [Accepted: 09/19/2017] [Indexed: 12/20/2022]
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49
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Xie Z, Xia W, Hou M. Long intergenic non‑coding RNA‑p21 mediates cardiac senescence via the Wnt/β‑catenin signaling pathway in doxorubicin-induced cardiotoxicity. Mol Med Rep 2017; 17:2695-2704. [PMID: 29207090 DOI: 10.3892/mmr.2017.8169] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 11/06/2017] [Indexed: 11/06/2022] Open
Abstract
Doxorubicin (Dox)-induced cardiotoxicity has been a well‑known phenomenon to clinicians and scientists for decades. It has been confirmed that Dox‑dependent cardiotoxicity is accompanied by cardiac cellular senescence. However, the molecular mechanisms underlying Dox cardiotoxicity remains to be fully elucidated. Long non‑coding (lnc) RNAs regulate gene transcription and the fate of post‑transcriptional mRNA, which affects a broad range of age‑associated physiological and pathological conditions, including cardiovascular disease and cellular senescence. However, the functional role of lncRNAs in Dox‑induced cardiac cellular senescence remains largely unknown. Using the reverse transcription‑quantitative polymerase chain reaction method, the present study indicated that long intergenic non‑coding (linc) RNA‑p21 was highly expressed in Dox‑treated HL‑1 murine cardiomyocytes. Dox‑induced cardiac senescence was accompanied by decreased cellular proliferation and viability, increased expression of p53 and p16, and decreased telomere length and telomerase activity, while these effects were relieved by silencing endogenous lincRNA‑p21. We found that lincRNA‑p21 interacted with β‑catenin and that silencing β‑catenin abolished the anti‑senescent effect of lincRNA‑p21 silencing. It was observed that modulating lincRNA‑p21 to exert an anti‑senescent effect was dependent on decreasing oxidant stress. To conclude, the present findings suggest that lincRNA‑p21 may be involved in Dox‑associated cardiac cellular senescence and that silencing lincRNA‑p21 effectively protects against Dox cardiotoxicity by regulating the Wnt/β‑catenin signaling pathway and decreasing oxidant stress. Furthermore, modulating lincRNA‑p21 may have cardioprotective potential in patients with cancer receiving Dox treatment.
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Affiliation(s)
- Zhongdong Xie
- Department of General Surgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Wenzheng Xia
- Department of Neurosurgery, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
| | - Meng Hou
- Department of Radiation Oncology, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325000, P.R. China
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50
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Zeng Q, Liu J, Cao P, Li J, Liu X, Fan X, Liu L, Cheng Y, Xiong W, Li J, Bo H, Zhu Y, Yang F, Hu J, Zhou M, Zhou Y, Zou Q, Zhou J, Cao K. Inhibition of REDD1 Sensitizes Bladder Urothelial Carcinoma to Paclitaxel by Inhibiting Autophagy. Clin Cancer Res 2017; 24:445-459. [PMID: 29084921 DOI: 10.1158/1078-0432.ccr-17-0419] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 06/26/2017] [Accepted: 10/24/2017] [Indexed: 11/16/2022]
Abstract
Purpose: Regulated in development and DNA damage response-1 (REDD1) is a stress-related protein and is involved in the progression of cancer. The role and regulatory mechanism of REDD1 in bladder urothelial carcinoma (BUC), however, is yet unidentified.Experimental Design: The expression of REDD1 in BUC was detected by Western blot analysis and immunohistochemistry (IHC). The correlation between REDD1 expression and clinical features in patients with BUC were assessed. The effects of REDD1 on cellular proliferation, apoptosis, autophagy, and paclitaxel sensitivity were determined both in vitro and in vivo Then the targeted-regulating mechanism of REDD1 by miRNAs was explored.Results: Here the significant increase of REDD1 expression is detected in BUC tissue, and REDD1 is first reported as an independent prognostic factor in patients with BUC. Silencing REDD1 expression in T24 and EJ cells decreased cell proliferation, increased apoptosis, and decreased autophagy, whereas the ectopic expression of REDD1 in RT4 and BIU87 cells had the opposite effect. In addition, the REDD1-mediated proliferation, apoptosis, and autophagy are found to be negatively regulated by miR-22 in vitro, which intensify the paclitaxel sensitivity via inhibition of the well-acknowledged REDD1-EEF2K-autophagy axis. AKT/mTOR signaling initially activated or inhibited in response to silencing or enhancing REDD1 expression and then recovered rapidly. Finally, the inhibited REDD1 expression by either RNAi or miR-22 sensitizes BUC tumor cells to paclitaxel in a subcutaneous transplant carcinoma model in vivoConclusions: REDD1 is confirmed as an oncogene in BUC, and antagonizing REDD1 could be a potential therapeutic strategy to sensitize BUC cells to paclitaxel. Clin Cancer Res; 24(2); 445-59. ©2017 AACR.
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Affiliation(s)
- Qinghai Zeng
- Department of Dermatology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Jianye Liu
- Department of Urology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Peiguo Cao
- Department of Oncology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Jingjing Li
- Department of Plastic Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Xiaoming Liu
- Department of Gastroenterology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Xiaojun Fan
- Research Service Office, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Ling Liu
- Outpatient service office, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Yan Cheng
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China
| | - Wei Xiong
- Cancer Research Institute and Key Laboratory of Carcinogenesis of Ministry of Health, Central South University, Changsha, Hunan, P.R. China
| | - Jigang Li
- Department of Pathology, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, P.R. China
| | - Hao Bo
- Institute of Reproductive and Stem Cell Engineering, Central South University, Changsha, Hunan, P.R. China
| | - Yuxing Zhu
- Department of Oncology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Fei Yang
- School of Public Health, Central South University, Changsha, Hunan, P.R. China
| | - Jun Hu
- Department of Tissue-bank, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, P.R. China
| | - Ming Zhou
- Cancer Research Institute and Key Laboratory of Carcinogenesis of Ministry of Health, Central South University, Changsha, Hunan, P.R. China
| | - Yanhong Zhou
- Cancer Research Institute and Key Laboratory of Carcinogenesis of Ministry of Health, Central South University, Changsha, Hunan, P.R. China
| | - Qiong Zou
- Department of Pathology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Jianda Zhou
- Department of Plastic Surgery, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Ke Cao
- Department of Oncology, Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China.
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