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Shi L, Deng J, He J, Zhu F, Jin Y, Zhang X, Ren Y, Du X. Integrative transcriptomics and proteomics analysis reveal the protection of Astragaloside IV against myocardial fibrosis by regulating senescence. Eur J Pharmacol 2024; 975:176632. [PMID: 38718959 DOI: 10.1016/j.ejphar.2024.176632] [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: 01/05/2024] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 05/18/2024]
Abstract
Myocardial fibrosis (MF) is a pivotal pathological process implicated in various cardiovascular diseases, particularly heart failure. Astragaloside IV (AS-IV), a natural compound derived from Astragalus membranaceus, possesses potent cardioprotective properties. However, the precise molecular mechanisms underlying its anti-MF effects, particularly in relation to senescence, remain elusive. Thus, this study aimed to investigate the therapeutic potential and underlying molecular mechanisms of AS-IV in treating ISO-induced MF in mice, employing transcriptomics, proteomics, in vitro, and in vivo experiments. We assessed the positive effects of AS-IV on ISO-induced MF using HE staining, Masson staining, ELISA, immunohistochemical staining, transthoracic echocardiography, transmission electron microscopy, and DHE fluorescence staining. Additionally, we elucidated the regulatory role of AS-IV in MF through comprehensive transcriptomics and proteomics analyses, complemented by Western blotting and RT-qPCR validation of pertinent molecular pathways. Our findings demonstrated that AS-IV treatment markedly attenuated ISO-induced myocardial injury and oxidative stress, concomitantly inhibiting the release of SASPs. Furthermore, integrated transcriptomics and proteomics analyses revealed that the anti-MF mechanism of AS-IV was associated with regulating cellular senescence and the p53 signaling pathway. These results highlight AS-IV exerts its anti-MF effects not only by inhibiting oxidative stress but also by modulating senescence through the p53 signaling pathway.
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Affiliation(s)
- Lipeng Shi
- Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400020, China
| | - Jingwei Deng
- College of Traditional Chinese Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Jun He
- Chongqing College of Traditional Chinese Medicine, Chongqing, 402760, China
| | - Feng Zhu
- Chongqing College of Traditional Chinese Medicine, Chongqing, 402760, China
| | - Yuxia Jin
- Chongqing College of Traditional Chinese Medicine, Chongqing, 402760, China
| | - Xi Zhang
- Chongqing College of Traditional Chinese Medicine, Chongqing, 402760, China
| | - Yi Ren
- Chongqing Traditional Chinese Medicine Hospital, Chongqing, 400020, China.
| | - Xuqin Du
- Chongqing College of Traditional Chinese Medicine, Chongqing, 402760, China.
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Gao P, Yao F, Pang J, Yin K, Zhu X. m 6A methylation in cellular senescence of age-associated diseases. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1168-1183. [PMID: 37394885 PMCID: PMC10449638 DOI: 10.3724/abbs.2023107] [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: 01/27/2023] [Accepted: 04/14/2023] [Indexed: 07/04/2023] Open
Abstract
Cellular senescence is a state of irreversible cellular growth arrest that occurs in response to various stresses. In addition to exiting the cell cycle, senescent cells undergo many phenotypic alterations, including metabolic reprogramming, chromatin rearrangement, and senescence-associated secretory phenotype (SASP) development. Furthermore, senescent cells can affect most physiological and pathological processes, such as physiological development; tissue homeostasis; tumour regression; and age-associated disease progression, including diabetes, atherosclerosis, Alzheimer's disease, and hypertension. Although corresponding anti-senescence therapies are actively being explored for the treatment of age-associated diseases, the specific regulatory mechanisms of senescence remain unclear. N 6-methyladenosine (m 6A), a chemical modification commonly distributed in eukaryotic RNA, plays an important role in biological processes such as translation, shearing, and RNA transcription. Numerous studies have shown that m 6A plays an important regulatory role in cellular senescence and aging-related disease. In this review, we systematically summarize the role of m 6A modifications in cellular senescence with regard to oxidative stress, DNA damage, telomere alterations, and SASP development. Additionally, diabetes, atherosclerosis, and Alzheimer's disease regulation via m 6A-mediated cellular senescence is discussed. We further discuss the challenges and prospects of m 6A in cellular senescence and age-associated diseases with the aim of providing rational strategies for the treatment of these age-associated diseases.
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Affiliation(s)
- Pan Gao
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
| | - Feng Yao
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
| | - Jin Pang
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
| | - Kai Yin
- The Fifth Affiliated Hospital of Southern Medical UniversityGuangzhou510900China
| | - Xiao Zhu
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
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Ok CY, Park S, Jang HO, Bae MK, Bae SK. Involvement of the visfatin/toll-like receptor 4 signaling axis in human dental pulp cell senescence: Protection via toll-like receptor 4 blockade. J Dent Sci 2023; 18:1177-1188. [PMID: 37404665 PMCID: PMC10316445 DOI: 10.1016/j.jds.2022.10.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/07/2022] [Indexed: 07/06/2023] Open
Abstract
Background /purpose: Dental pulp plays an important role in the maintenance of tooth homeostasis and repair. The aging of dental pulp affects the functional life of the tooth owing to the senescence of dental pulp cells. Toll-like receptor 4 (TLR4) is involved in regulating cellular senescence in dental pulp. We have recently demonstrated that visfatin induces the senescence of human dental pulp cells (hDPCs). Here, we explored the association of TLR4 with visfatin signaling in cellular senescence in hDPCs. Materials and methods mRNA levels were determined using reverse transcription polymerase chain reaction (PCR) and quantitative real time-PCR. Protein levels were determined using immunofluorescence staining and Western blot analysis. Gene silencing was performed using small interfering RNA. The degree of cellular senescence was measured by senescence-associated-β-galactosidase (SA-β-gal) staining. Oxidative stress was determined by measurement of NADP/NADPH levels and intracellular reactive oxygen species (ROS) levels. Results Neutralizing anti-TLR4 antibodies or TLR4 inhibitor markedly blocked visfatin-induced hDPCs senescence, as revealed by an increase in the number of SA-β-gal-positive hDPCs and upregulation of p21 and p53 proteins. Moreover, visfatin-induced senescence was associated with excessive ROS production; NADPH consumption; telomere DNA damage induction; interleukin (IL)-1β, IL-6, IL-8, cyclooxygenase-2, and tumor necrosis factor-α upregulation; and nuclear factor-κB and mitogen-activated protein kinase activation. All of these alterations were attenuated by TLR4 blockade. Conclusion Our findings indicate that TLR4 plays an important role in visfatin-induced senescence of hDPCs and suggest that the visfatin/TLR4 signaling axis can be a novel therapeutic target for the treatment of inflammaging-related diseases, including pulpitis.
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Affiliation(s)
- Chang Youp Ok
- Department of Dental Pharmacology, BK21 PLUS Project, Education and Research Team for Life Science on Dentistry, School of Dentistry, Pusan National University, Yangsan, South Korea
- Periodontal Disease Signaling Network Research Center (MRC), Pusan National University, Yangsan, South Korea
| | - Sera Park
- Department of Dental Pharmacology, BK21 PLUS Project, Education and Research Team for Life Science on Dentistry, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Hye-Ock Jang
- Department of Dental Pharmacology, BK21 PLUS Project, Education and Research Team for Life Science on Dentistry, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Moon-Kyoung Bae
- Periodontal Disease Signaling Network Research Center (MRC), Pusan National University, Yangsan, South Korea
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Soo-Kyung Bae
- Department of Dental Pharmacology, BK21 PLUS Project, Education and Research Team for Life Science on Dentistry, School of Dentistry, Pusan National University, Yangsan, South Korea
- Dental and Life Science Institute, Pusan National University, Yangsan, South Korea
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Dou W, Xie J, Chen J, Zhou J, Xu Z, Wang Z, Zhu Q. Overexpression of adrenomedullin (ADM) alleviates the senescence of human dental pulp stem cells by regulating the miR-152/CCNA2 pathway. Cell Cycle 2023; 22:565-579. [PMID: 36310381 PMCID: PMC9928452 DOI: 10.1080/15384101.2022.2135621] [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] [Indexed: 11/03/2022] Open
Abstract
The limitation of human dental pulp stem cells (DPSCs), which have potential application value in regenerative medicine, is that they are prone to age in vitro. Studies have shown adrenomedullin (ADM) is believed to promote the proliferation of human DPSCs, but whether it can also affect aging remains to be investigated. A lentivirus vector was used to construct human DPSCs overexpressing ADM. Senescence tests were carried out on cells of the 7th and 15th passage. Transcriptome analysis was conducted to analyze microRNA expression regulation changes after human DPSCs overexpressed ADM. H2O2 induced the aging model of human DPSCs, and we examined the mechanism of recovery of aging through transfection experiments with miR-152 mimic, pCDH-CCNA2, and CCNA2 siRNA. Overexpression of ADM significantly upregulated the G2/M phase ratio of human DPSCs in natural passage culture (P = 0.001) and inhibited the expression of p53 (P = 0.014), P21 WAF1 (P = 0.015), and P16 INK4A (P = 0.001). Decreased ROS accumulation was observed in human DPSCs during long-term natural passage (P = 0.022). Transcriptome analysis showed that miR-152 was significantly upregulated during human DPSC senescence (P = 0.001) and could induce cell senescence by directly targeting CCNA2. Transfection with miR-152 mimic significantly reversed the inhibitory effect of ADM overexpression on p53 (P = 0.006), P21 WAF1 (P = 0.012), and P16 INK4A (P = 0.01) proteins in human DPSCs (H2O2-induced). In contrast, pCDH-CCNA2 weakened the effect of the miR-152 mimic, thus promoting cell proliferation and antiaging. ADM-overexpressing human DPSCs promote cell cycle progression and resist cellular senescence through CCNA2 expression promotion by inhibiting miR-152.
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Affiliation(s)
- Wenxue Dou
- Department of Stomatology, The First Affiliated Hospital of Naval Medical University: Changhai Hospital, Shanghai, China
| | - Jiaye Xie
- Department of Stomatology, Tongren Hospital Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jianan Chen
- Department of Stomatology, The First Affiliated Hospital of Naval Medical University: Changhai Hospital, Shanghai, China
| | - Jiajun Zhou
- Department of Stomatology, Eastern Hepatobiliary Surgery Hospital, Shanghai, China
| | - Zunyue Xu
- Department of Stomatology, Shanghai Songjiang District Central Hospital, Shanghai, China
| | - Zheng Wang
- Department of Stomatology, Tongren Hospital Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Qiang Zhu
- Department of Stomatology, The First Affiliated Hospital of Naval Medical University: Changhai Hospital, Shanghai, China,CONTACT Qiang Zhu Department of Stomatology, The First Affiliated Hospital of Naval Medical University: Changhai Hospital, Shanghai200433, China
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The Potential of Senescence as a Target for Developing Anticancer Therapy. Int J Mol Sci 2023; 24:ijms24043436. [PMID: 36834846 PMCID: PMC9961771 DOI: 10.3390/ijms24043436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023] Open
Abstract
Senescence occurs in response to various stimuli. Senescence has attracted attention because of its potential use in anticancer therapy as it plays a tumor-suppressive role. It also promotes tumorigeneses and therapeutic resistance. Since senescence can induce therapeutic resistance, targeting senescence may help to overcome therapeutic resistance. This review provides the mechanisms of senescence induction and the roles of the senescence-associated secretory phenotype (SASP) in various life processes, including therapeutic resistance and tumorigenesis. The SASP exerts pro-tumorigenic or antitumorigenic effects in a context-dependent manner. This review also discusses the roles of autophagy, histone deacetylases (HDACs), and microRNAs in senescence. Many reports have suggested that targeting HDACs or miRNAs could induce senescence, which, in turn, could enhance the effects of current anticancer drugs. This review presents the view that senescence induction is a powerful method of inhibiting cancer cell proliferation.
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Xiaofei Y, Tingting L, Xuan W, Zhiyi H. Erythromycin attenuates oxidative stress-induced cellular senescence via the PI3K-mTOR signaling pathway in chronic obstructive pulmonary disease. Front Pharmacol 2022; 13:1043474. [PMID: 36506578 PMCID: PMC9727195 DOI: 10.3389/fphar.2022.1043474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 11/08/2022] [Indexed: 11/24/2022] Open
Abstract
Background and Purpose: Chronic obstructive pulmonary disease (COPD) is proposed to hasten lung aging. Erythromycin protects against oxidative stress and inflammatory responses. However, the potential anti-senescence effect of erythromycin remains disclosed. In the present study, we investigated whether erythromycin influenced oxidative stress-induced cellular senescence and investigated its related mechanisms. Methods: A cigarrete smoke (CS) -induced emphysema mouse model and a H2O2-induced premature senescence model in human bronchial epithelial cell line (BEAS-2B) were established. Senescence-related markers (P53, P21 and SA-β-Gal activity), and levels of oxidative stress biomarkers (MDA, SOD and ROS) were measured. Additionally, cells were pretreated with rapamycin (mTOR inhibitor) or erythromycin, and the expression levels of components of the PI3K-mTOR signaling pathway were measured in BEAS-2B cells. Results: Exposed to H2O2, increased SA-β-gal activity was observed in BEAS-2B cells suggesting premature senescence. Erythromycin inhibited the expression of P53 and P21 in the CS-induced emphysema mouse model. MDA levels significantly increased and SOD levels decreased in the CS-exposed mice and H2O2-induced BEAS-2B cells. Rapamycin and erythromycin significantly suppressed the expression of P53 and P21. Additionally, rapamycin and erythromycin inhibited the PI3K-mTOR signaling pathway. Conclusion: Our findings suggest that erythromycin ameliorates oxidative stress-induced cellular senescence via the PI3K-mTOR signaling pathway. Hence, we establish a theoretical foundation for the clinical application of erythromycin for COPD prevention and treatment.
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Terao R, Ahmed T, Suzumura A, Terasaki H. Oxidative Stress-Induced Cellular Senescence in Aging Retina and Age-Related Macular Degeneration. Antioxidants (Basel) 2022; 11:2189. [PMID: 36358561 PMCID: PMC9686487 DOI: 10.3390/antiox11112189] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 07/30/2023] Open
Abstract
Aging leads to a gradual decline of function in multiple organs. Cataract, glaucoma, diabetic retinopathy, and age-related macular degeneration (AMD) are age-related ocular diseases. Because their pathogenesis is unclear, it is challenging to combat age-related diseases. Cellular senescence is a cellular response characterized by cell cycle arrest. Cellular senescence is an important contributor to aging and age-related diseases through the alteration of cellular function and the secretion of senescence-associated secretory phenotypes. As a driver of stress-induced premature senescence, oxidative stress triggers cellular senescence and age-related diseases by inducing senescence markers via reactive oxygen species and mitochondrial dysfunction. In this review, we focused on the mechanism of oxidative stress-induced senescence in retinal cells and its role in the pathogenesis of AMD.
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Affiliation(s)
- Ryo Terao
- Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8654, Japan
- Department of Ophthalmology & Visual Sciences, Washington University School of Medicine in St. Louis, St. Louis, MO 63110, USA
| | - Tazbir Ahmed
- Department of Ophthalmology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8654, Japan
| | - Ayana Suzumura
- Department of Ophthalmology, Graduate School of Medicine, Nagoya University, Nagoya 466-8550, Japan
| | - Hiroko Terasaki
- Institutes of Innovation for Future Society, Nagoya University, Nagoya 464-8601, Japan
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Citicoline Eye Drops Protect Trabecular Meshwork Cells from Oxidative Stress Injury in a 3D In Vitro Glaucoma Model. Int J Mol Sci 2022; 23:ijms231911375. [PMID: 36232676 PMCID: PMC9570302 DOI: 10.3390/ijms231911375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 01/10/2023] Open
Abstract
Intraocular pressure (IOP) is considered an important modifiable risk factor for glaucoma, which is known as the second leading cause of blindness worldwide. However, lowering the IOP is not always sufficient to preserve vision due to other non-IOP-dependent mechanisms being involved. To improve outcomes, adjunctive therapies with IOP-independent targets are required. To date, no studies have shown the effect of citicoline on the trabecular meshwork (TM), even though it is known to possess neuroprotective/enhancement properties and multifactorial mechanisms of action. Given that reactive oxygen species seem to be involved in glaucomatous cascade, in this present study, an advanced millifluidic in vitro model was used to evaluate if citicoline could exert a valid TM protection against oxidative stress. To this end, the cellular behavior, in terms of viability, apoptosis, mitochondrial state, senescence and pro-inflammatory cytokines, on 3D human TM cells, treated either with H2O2 alone or cotreated with citicoline, was analyzed. Our preliminary in vitro results suggest a counteracting effect of citicoline eye drops against oxidative stress on TM cells, though further studies are necessary to explore citicoline’s potential as a TM-target therapy.
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Oxidative Stress and Cell Senescence Process. Antioxidants (Basel) 2022; 11:antiox11091718. [PMID: 36139791 PMCID: PMC9495308 DOI: 10.3390/antiox11091718] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 11/17/2022] Open
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Kang KR, Kim JS, Seo JY, Lim H, Kim TH, Yu SK, Kim HJ, Kim CS, Chun HS, Park JC, Kim DK. Nicotinamide phosphoribosyltransferase regulates the cell differentiation and mineralization in cultured odontoblasts. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY 2022; 26:37-45. [PMID: 34965994 PMCID: PMC8723980 DOI: 10.4196/kjpp.2022.26.1.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/16/2021] [Accepted: 11/23/2021] [Indexed: 11/15/2022]
Affiliation(s)
- Kyeong-Rok Kang
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
| | - Jae-Sung Kim
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
| | - Jeong-Yeon Seo
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
- Department of Integrative Biological Sciences & BK21 FOUR Educational Research Group for Ageassociated Disorder Control Technology, Chosun University, Gwangju 61452, Korea
| | - HyangI Lim
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
| | - Tae-Hyeon Kim
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
| | - Sun-Kyoung Yu
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
| | - Heung-Joong Kim
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
| | - Chun Sung Kim
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
| | - Hong Sung Chun
- Department of Integrative Biological Sciences & BK21 FOUR Educational Research Group for Ageassociated Disorder Control Technology, Chosun University, Gwangju 61452, Korea
| | - Joo-Cheol Park
- Laboratory for the Study of Regenerative Dental Medicine, Department of Oral Histology-Developmental Biology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul 08826, Korea
| | - Do Kyung Kim
- The Institute of Dental Science, Chosun University, Gwangju 61452, Korea
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Álvarez-Vásquez JL, Bravo-Guapisaca MI, Gavidia-Pazmiño JF, Intriago-Morales RV. Adipokines in dental pulp: physiological, pathological, and potential therapeutic roles. J Oral Biosci 2021; 64:59-70. [PMID: 34808362 DOI: 10.1016/j.job.2021.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 11/12/2021] [Accepted: 11/15/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Hundreds of adipokines have been identified, and their extensive range of endocrine functions-regulating distant organs such as oral tissues-and local autocrine/paracrine roles have been studied. In dentistry, however, adipokines are poorly known proteins in the dental pulp; few of them have been studied despite their large number. This study reviews recent advances in the investigation of dental-pulp adipokines, with an emphasis on their roles in inflammatory processes and their potential therapeutic applications. HIGHLIGHTS The most recently identified adipokines in dental pulp include leptin, adiponectin, resistin, ghrelin, oncostatin, chemerin, and visfatin. They have numerous physiological and pathological functions in the pulp tissue: they are closely related to pulp inflammatory mechanisms and actively participate in cell differentiation, mineralization, angiogenesis, and immune-system modulation. CONCLUSION Adipokines have potential clinical applications in regenerative endodontics and as biomarkers or targets for the pharmacological management of inflammatory and degenerative processes in dental pulp. A promising direction for the development of new therapies may be the use of agonists/antagonists to modulate the expression of the most studied adipokines.
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