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Fu H, Li W, Liu J, Tang Q, Weng Z, Zhu L, Ding B. Ellagic acid inhibits dihydrotestosterone-induced ferroptosis and promotes hair regeneration by activating the wnt/β-catenin signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 330:118227. [PMID: 38685364 DOI: 10.1016/j.jep.2024.118227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 05/02/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Androgenic alopecia (AGA) is the most prevalent form of hair loss in clinical practice and affects the physical and psychological well-being of adolescents. Paeonia lactiflora Pallas (PL), which is widely used in traditional Chinese medicine, enhances blood function and promotes hair growth, and ellagic acid (EA), a polyphenol in PL extract, shows strong antioxidant, anti-aging, and anti-inflammatory properties and also plays a role in the treatment of various skin conditions. However, its role and mechanism of action in AGA remain unclear. AIM OF THE STUDY To determine whether EA can rescue slow hair regeneration by regulating dihydrotestosterone (DHT)-induced ferroptosis in AGA mice and clarify the effect of EA on DHT-induced ferroptosis in dermal papilla cells (DPCs). MATERIALS AND METHODS Male C57BL/6 mice were used to establish a DHT-induced AGA mouse model, whereas DPCs were used to establish a DHT-induced cellular model. Thereafter, we investigated the therapeutic mechanism of action of EA via immunofluorescence, western blot analysis, immunohistochemistry, electron microscopy, and molecular docking. RESULTS EA stimulated hair regeneration in mice and reversed DHT-induced increases in iron content, lipid peroxidation, and DHT-induced mitochondrial dysfunction by activating the Wnt/β-catenin signaling pathway. Further, β-catenin knockdown suppressed the inhibitory effect of EA on DHT-induced ferroptosis in DPCs. CONCLUSION EA inhibits DHT-induced ferroptosis and promotes hair regrowth in mice by activating the Wnt/β-catenin signaling pathway. Thus, it has potential for use as a treatment option for AGA.
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Affiliation(s)
- Hangjie Fu
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China; Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
| | - Wenxia Li
- Hangzhou Innovation Institute, Beihang University, Hangzhou, Zhejiang, China.
| | - Jinyuan Liu
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
| | - Qiehao Tang
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
| | - Zhiwei Weng
- Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China; College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
| | - Lijian Zhu
- College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
| | - Bin Ding
- Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China; College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
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Choi K, Kim H, Nam SY, Heo CY. Enhancement of skin rejuvenation and hair growth through novel near-infrared light emitting diode (nNIR) lighting: in vitro and in vivo study. Lasers Med Sci 2024; 39:104. [PMID: 38630175 PMCID: PMC11024053 DOI: 10.1007/s10103-024-04044-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Accepted: 03/21/2024] [Indexed: 04/19/2024]
Abstract
The study aimed to explore the impact of a novel near-infrared LED (nNIR) with an extended spectrum on skin enhancement and hair growth. Various LED sources, including White and nNIRs, were compared across multiple parameters: cytotoxicity, adenosine triphosphate (ATP) synthesis, reactive oxygen species (ROS) reduction, skin thickness, collagen synthesis, collagenase expression, and hair follicle growth. Experiments were conducted on human skin cells and animal models. Cytotoxicity, ATP synthesis, and ROS reduction were evaluated in human skin cells exposed to nNIRs and Whites. LED irradiation effects were also studied on a UV-induced photoaging mouse model, analyzing skin thickness, collagen synthesis, and collagenase expression. Hair growth promotion was examined as well. Results revealed both White and nNIR were non-cytotoxic to human skin cells. nNIR enhanced ATP and collagen synthesis while reducing ROS levels, outperforming the commonly used 2chip LEDs. In the UV-induced photoaging mouse model, nNIR irradiation led to reduced skin thickness, increased collagen synthesis, and lowered collagenase expression. Additionally, nNIR irradiation stimulated hair growth, augmented skin thickness, and increased hair follicle count. In conclusion, the study highlighted positive effects of White and nNIR irradiation on skin and hair growth. However, nNIR exhibited superior outcomes compared to White. Its advancements in ATP content, collagen synthesis, collagenase inhibition, and hair growth promotion imply increased ATP synthesis activity. These findings underscore nNIR therapy's potential as an innovative and effective approach for enhancing skin and promoting hair growth.
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Affiliation(s)
- Keonwoo Choi
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Korean Institute of Nonclinical Study, Seongnam, Republic of Korea
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea
| | - Hongbin Kim
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Korean Institute of Nonclinical Study, Seongnam, Republic of Korea
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea
| | - Sun-Young Nam
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea
| | - Chan Yeong Heo
- Department of Plastic and Reconstructive Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
- Korean Institute of Nonclinical Study, Seongnam, Republic of Korea.
- H&BIO Corporation/R&D Center, Seongnam, Republic of Korea.
- Department of Plastic and Reconstructive Surgery, College of Medicine, Seoul National University, Seoul, Republic of Korea.
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Jin L, Piao Z. Irisin protects against cardiac injury by inhibiting NLRP3 inflammasome-mediated pyroptosis during remodeling after infarction. Int Immunopharmacol 2024; 130:111714. [PMID: 38412677 DOI: 10.1016/j.intimp.2024.111714] [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: 12/13/2023] [Revised: 02/04/2024] [Accepted: 02/14/2024] [Indexed: 02/29/2024]
Abstract
This study aimed to explore the cardioprotective mechanism of irisin in the context of cardiac injury. Utilizing a myocardial infarction (MI) mouse model, we investigated the therapeutic potential of recombinant human irisin (rhIrisin) administered for 28 days post-infarction. The efficacy of irisin treatment was evaluated through echocardiographic assessment of cardiac function and serum analysis of myocardial injury markers. Our research provided novel insights into the impacts of irisin on the NLR Family Pyrin Domain Containing 3 (NLRP3) inflammasome activation and pyroptosis, assessed both in vivo in MI mice and in vitro in hypoxia/reoxygenation-treated H9C2 cells. Remarkably, irisin treatment significantly reduced levels of lactate dehydrogenase (LDH), creatine kinase-MB (CK-MB), and troponin I, indicating reduced myocardial injury. Echocardiography highlighted substantial improvements in left ventricular ejection fraction (LVEF), left ventricular fractional shortening (LVFS), and dimensions (LVIDd and LVIDs) in irisin-treated mice, underscoring enhanced cardiac function. Moreover, irisin was shown to significantly suppress the mRNA and protein expressions of key components involved in NLRP3 inflammasome pathway (NLRP3, ASC, caspase-1 (p20), and interleukin-18 (IL-18)) both in MI-induced mice and hypoxia/reoxygenation-treated cells. This study firstly reveals that the cardioprotective effect of irisin is mediated through the attenuation of NLRP3 inflammasome activation and pyroptosis, positioning irisin as a promising therapeutic agent for cardiac injury.
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Affiliation(s)
- Li Jin
- Department of Cardiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang, Wenzhou, Zhejiang, China
| | - Zhehao Piao
- Department of Cardiology, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, Zhejiang, China.
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Liao C, Huang Z, Chen L, Fan X, Peng J, Tan X, Yang J, Zhang X. Urotensin II promotes the proliferation and secretion of vascular endothelial growth factor in rat dermal papilla cells by activating the Wnt-β-catenin signaling pathway. ITALIAN JOURNAL OF MEDICINE 2023; 17. [DOI: 10.4081/itjm.2023.1607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024] Open
Abstract
Introduction. Urotensin II (U II) is a kind of active peptide with a variety of biological effects, such as promoting cell proliferation and endocrine effects. The aim of this study is to investigate the effect of urotensin II on the proliferation and secretion of vascular endothelial growth factor (VEGF) in cultured rat dermal papilla cells (DPCs), and to explore its molecular mechanism. Materials and Methods. We used the DPCs isolated from the thoracic aortas of Wistar-Kyoto rats to run the CCK8 and ELISA assay, RC-PCR and Western blotting techniques to identify the effect of Urotensin II on the proliferation and secretion of VEGF in DPCs, data were analyzed by one-way ANOVA or t-test. Results. U II can increase the mRNA expression of proliferation markers Ki67 and PCNA. In addition, the Wnt/β-catenin pathway was activated by U II, but Wnt inhibitor DKK1 reversed the effect of U II. Conclusions. U II promoted the proliferation and secretion of VEGF in rat DPCs through activation of the Wnt-β-catenin signaling pathway.
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Zhang Y, Su J, Ma K, Fu X, Zhang C. Photobiomodulation Therapy With Different Wavebands for Hair Loss: A Systematic Review and Meta-Analysis. Dermatol Surg 2022; 48:737-740. [PMID: 35510860 DOI: 10.1097/dss.0000000000003472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Photobiomodulation is a promising therapy for hair loss with negligible side effects. However, the reported effects of photobiomodulation therapy for hair loss are inconsistent. OBJECTIVE To assess the curative effect of photobiomodulation therapy for the treatment of hair loss. METHODS A systematic review of self-controlled studies and randomized controlled trials was conducted. ScienceDirect, PubMed, and Wiley Online Library were searched from the earliest date to May 30, 2021. RESULTS Thirty-six studies (966 patients) were included. Two to 4 meta-analyses with different indices were performed separately on 4 groups of studies to test the effectiveness of the following hair loss treatments: ultraviolet light for alopecia areata (AA), red light for androgenetic alopecia (AGA), infrared light for AA, and infrared light for AGA. All meta-analyses showed that treatments were superior to control ( p < .05). CONCLUSION The meta-analyses strongly suggested that photobiomodulation therapies with ultraviolet and infrared light were effective for treating AA, and photobiomodulation therapies with red light and infrared light were effective for treating AGA.
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Affiliation(s)
- Yuehou Zhang
- School of Medicine, NanKai University, Tianjin, P.R. China
| | - Jianlong Su
- School of Medicine, NanKai University, Tianjin, P.R. China
| | - Kui Ma
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and 4th Medical Center of Chinese PLA General Hospital, Beijing, P. R. China
- Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, P. R. China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, P. R. China
| | - Xiaobing Fu
- School of Medicine, NanKai University, Tianjin, P.R. China
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and 4th Medical Center of Chinese PLA General Hospital, Beijing, P. R. China
- Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, P. R. China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, P. R. China
| | - Cuiping Zhang
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Division and 4th Medical Center of Chinese PLA General Hospital, Beijing, P. R. China
- Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, Beijing, P. R. China
- PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration, Beijing, P. R. China
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Regulatory Processes of the Canonical Wnt/β-Catenin Pathway and Photobiomodulation in Diabetic Wound Repair. Int J Mol Sci 2022; 23:ijms23084210. [PMID: 35457028 PMCID: PMC9028270 DOI: 10.3390/ijms23084210] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 11/17/2022] Open
Abstract
Skin is a biological system composed of different types of cells within a firmly structured extracellular matrix and is exposed to various external and internal insults that can break its configuration. The restoration of skin's anatomic continuity and function following injury is a multifaceted, dynamic, well-coordinated process that is highly dependent on signalling pathways, including the canonical Wnt/β catenin pathway, all aimed at restoring the skin's protective barrier. Compromised and inappropriate tissue restoration processes are often the source of wound chronicity. Diabetic patients have a high risk of developing major impediments including wound contamination and limb amputation due to chronic, non-healing wounds. Photobiomodulation (PBM) involves the application of low-powered light at specific wavelengths to influence different biological activities that incite and quicken tissue restoration. PBM has been shown to modulate cellular behaviour through a variety of signal transduction pathways, including the Wnt/β catenin pathway; however, the role of Wnt/β catenin in chronic wound healing in response to PBM has not been fully defined. This review largely focuses on the role of key signalling pathways in human skin wound repair, specifically, the canonical Wnt/β-catenin pathway, and the effects of PBM on chronic wound healing.
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Kim JS, Lim STS. LED Light-Induced ROS Differentially Regulates Focal Adhesion Kinase Activity in HaCaT Cell Viability. Curr Issues Mol Biol 2022; 44:1235-1246. [PMID: 35723305 PMCID: PMC8947587 DOI: 10.3390/cimb44030082] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/28/2022] [Accepted: 03/02/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, changes in cell signaling mechanisms in skin cells induced by various wavelengths and intensities of light-emitting diodes (LED) were investigated, focusing on the activity of focal adhesion kinase (FAK) in particular. We examined the effect of LED irradiation on cell survival, the generation of intracellular reactive oxygen species (ROS), and the activity of various cell-signaling proteins. Red LED light increased cell viability at all intensities, whereas strong green and blue LED light reduced cell viability, and this effect was reversed by NAC or DPI treatment. Red LED light caused an increase in ROS formation according to the increase in the intensity of the LED light, and green and blue LED lights led to sharp increases in ROS formation. In the initial reaction to LEDs, red LED light only increased the phosphorylation of FAK and extracellular-signal regulated protein kinase (ERK), whereas green and blue LED lights increased the phosphorylation of inhibitory-κB Kinase α (IKKα), c-jun N-terminal kinase (JNK), and p38. The phosphorylation of these intracellular proteins was reduced via FAK inhibitor, NAC, and DPI treatments. Even after 24 h of LED irradiation, the activity of FAK and ERK appeared in cells treated with red LED light but did not appear in cells treated with green and blue LED lights. Furthermore, the activity of caspase-3 was confirmed along with cell detachment. Therefore, our results suggest that red LED light induced mitogenic effects via low levels of ROS–FAK–ERK, while green and blue LED lights induced cytotoxic effects via cellular stress and apoptosis signaling resulting from high levels of ROS.
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Affiliation(s)
- Jun-Sub Kim
- Department of Biotechnology, Korea National University of Transportation, Jeungpyeong 27909, Chungbuk, Korea
- Correspondence: (J.-S.K.); (S.-T.S.L.)
| | - Ssang-Taek Steve Lim
- Department of Biochemistry and Molecular Biology, College of Medicine, University of South Alabama, Mobile, AL 36688, USA
- Correspondence: (J.-S.K.); (S.-T.S.L.)
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Kazi T, Nagata A, Nakagawa T, Matsuzaki T, Inui S. Dermal Papilla Cell-Derived Extracellular Vesicles Increase Hair Inductive Gene Expression in Adipose Stem Cells via β-Catenin Activation. Cells 2022; 11:202. [PMID: 35053317 PMCID: PMC8773911 DOI: 10.3390/cells11020202] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/02/2022] [Accepted: 01/04/2022] [Indexed: 01/06/2023] Open
Abstract
Recently, extracellular vesicle (EV)-mediated cell differentiation has gained attention in developmental biology due to genetic exchange between donor cells and recipient cells via transfer of mRNA and miRNA. EVs, also known as exosomes, play a role in maintaining paracrine cell communication and can induce cell proliferation and differentiation. However, it remains unclear whether adipose-derived stem cells (ASCs) can adopt dermal papilla (DP)-like properties with dermal papilla cell-derived extracellular vesicles (DPC-EVs). To understand the effect of DPC-EVs on cell differentiation, DPC-EVs were characterized and incubated with ASCs, of monolayer and spheroid cell cultures, in combination with the CAO1/2FP medium specialized for dermal papilla cells (DPCs). DPC-like properties in ASCs were initially evaluated by comparing several genes and proteins with those of DPCs via real-time PCR analysis and immunostaining, respectively. We also evaluated the presence of hair growth-related microRNAs (miRNAs), specifically mir-214-5P, mir-218-5p, and mir-195-5P. Here, we found that miRNA expression patterns varied in DPC-EVs from passage 4 (P4) or P5. In addition, DPC-EVs in combination with CAP1/2FP accelerated ASC proliferation at low concentrations and propagated hair inductive gene expression for versican (vcan), alpha-smooth muscle actin (α-sma), osteopontin (opn), and N-Cam (ncam). Comparison between the expression of hair inductive genes (vcan, α-sma, ctnb, and others), the protein VCAN, α-SMA and β-Catenin (CTNB), and hair inductive miRNAs (mir-214-5P, mir-218-5p, and mir-195-5p) of DPC-EVs revealed similarities between P4 DPC-EVs-treated ASCs and DPCs. We concluded that early passage DPC-EVs, in combination with CAP1/2FP, enabled ASCs to transdifferentiate into DPC-like cells.
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Affiliation(s)
- Taheruzzaman Kazi
- Department of Regenerative Dermatology, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan; (A.N.); (T.N.); (S.I.)
| | - Abir Nagata
- Department of Regenerative Dermatology, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan; (A.N.); (T.N.); (S.I.)
| | - Takatoshi Nakagawa
- Department of Regenerative Dermatology, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan; (A.N.); (T.N.); (S.I.)
| | - Takashi Matsuzaki
- Department of Biological Science, Faculty of Life and Environment Science, Shimane University, Shimane 690-0823, Japan
| | - Shigeki Inui
- Department of Regenerative Dermatology, Graduate School of Medicine, Osaka University, Osaka 565-0871, Japan; (A.N.); (T.N.); (S.I.)
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Tawfik AA, Mostafa I, Soliman M, Soliman M, Abdallah N. Low Level Laser versus Platelet-rich Plasma in Treatment of Alopecia Areata: A Randomized Controlled Intra-patient Comparative Study. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.7428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Abstract
Background: Non-scarring alopecia areata (AA) is a disease that is mediated through autoimmunity. Recently, autologous platelet-rich plasma (PRP) and photobiomodulation (PBM), commonly known as low-level laser (or light, LLLT) have been suggested to provide a valuable role in stimulating the growth of hair follicles (HF)
Aim: Compare between the significance and wellbeing of PRP and LLLT in the management of AA.
Patients & methodology: Thirty patients, each having three patches of AA participated in the study. Patches were assigned randomly to have one of the two treatments: PRP or LLLT. The third patch served as a control and received placebo treatment. PRP was done once weekly whereas LLLT was done 3 sessions per week for a maximum of 6 weeks. Patients were followed up at one month and three months. The thickness and density of hair were evaluated by the folliscope.
Results: A noteworthy higher improvement was detected in the thickness and the density of hair in the PRP treated patches as evaluated by the folliscope and patients satisfaction. The obtained outcomes were sustained during the 12 week follow-up period in most of patients.
Conclusion: PRP and LLLT could be considered as efficacious alternatives for the treatments of AA with the least morbidity in addition to a little cost profit ratio.
KEYWORDS: Alopecia areata, platelet-rich plasma, folliscope, photobiomodulation, low level laser therapy.
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Yang K, Tang Y, Ma Y, Liu Q, Huang Y, Zhang Y, Shi X, Zhang L, Zhang Y, Wang J, Zhu Y, Liu W, Tan Y, Lin J, Wu W. Hair Growth Promoting Effects of 650 nm Red Light Stimulation on Human Hair Follicles and Study of Its Mechanisms via RNA Sequencing Transcriptome Analysis. Ann Dermatol 2021; 33:553-561. [PMID: 34858007 PMCID: PMC8577899 DOI: 10.5021/ad.2021.33.6.553] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 04/26/2021] [Accepted: 05/14/2021] [Indexed: 12/20/2022] Open
Abstract
Background Androgenetic alopecia (AGA) leads to thinning of scalp hair and affects 60%~70% of the adult population worldwide. Developing more effective treatments and studying its mechanism are of great significance. Previous clinical studies have revealed that hair growth is stimulated by 650-nm red light. Objective This study aimed to explore the effect and mechanism of 650-nm red light on the treatment of AGA by using ex vivo hair follicle culture. Methods Human hair follicles were obtained from hair transplant patients with AGA. Hair follicles were cultured in Williams E medium and treated with or without 650-nm red light. Real-time RT-PCR and immunofluorescence staining were used to detect the expression level of genes and proteins in hair follicles, respectively. RNA-sequencing analysis was carried out to reveal the distinct gene signatures upon 650 nm treatment. Results Low-level 650 nm red light promoted the proliferation of human hair follicles in the experimental cultured-tissue model. Consistently, 650 nm red light significantly delayed the transition of hair cycle from anagen to catagen in vitro. RNA-seq analysis and gene clustering for the differentially expressed genes suggests that leukocyte transendothelial migration, metabolism, adherens junction and other biological process maybe involved in stimulation of hair follicles by 650-nm red light treatment. Conclusion The effect of 650-nm red light on ex vivo hair follicles and the transcriptome set which implicates the role of red light in promoting hair growth and reversing of miniaturization process of AGA were identified.
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Affiliation(s)
- Kai Yang
- Department of Dermatology, Jing'an District Central Hospital, Shanghai, China
| | - Yulong Tang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Yanyun Ma
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China.,Six-Sector Industrial Research Institute, Fudan University, Shanghai, China
| | - Qingmei Liu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yan Huang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Yuting Zhang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences, Fudan University, Shanghai, China
| | - Xiangguang Shi
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Li Zhang
- Department of Dermatology, Jing'an District Central Hospital, Shanghai, China
| | - Yue Zhang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Ji'an Wang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yifei Zhu
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Wei Liu
- Department of Dermatology, the General Hospital of Air Force, Beijing, China
| | - Yimei Tan
- Department of Skin and Cosmetic Research, Shanghai Skin Disease Hospital, Shanghai, China
| | - Jinran Lin
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Wenyu Wu
- Department of Dermatology, Jing'an District Central Hospital, Shanghai, China.,Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China
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Jin H, Zou Z, Chang H, Shen Q, Liu L, Xing D. Photobiomodulation therapy for hair regeneration: A synergetic activation of β-CATENIN in hair follicle stem cells by ROS and paracrine WNTs. Stem Cell Reports 2021; 16:1568-1583. [PMID: 34019818 PMCID: PMC8190671 DOI: 10.1016/j.stemcr.2021.04.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 12/17/2022] Open
Abstract
Photobiomodulation therapy (PBMT) has shown encouraging results in the treatment of hair loss. However, the mechanism by which PBMT controls cell behavior to coordinate hair cycle is unclear. Here, PBMT is found to drive quiescent hair follicle stem cell (HFSC) activation and alleviate hair follicle atrophy. Mechanistically, PBMT triggers a new hair cycle by upregulating β-CATENIN expression in HFSCs. Loss of β-Catenin (Ctnnb1) in HFSCs blocked PBMT-induced hair regeneration. Additionally, we show PBMT-induced reactive oxygen species (ROS) activate the PI3K/AKT/GSK-3β signaling pathway to inhibit proteasome degradation of β-CATENIN in HFSCs. Furthermore, PBMT promotes the expression and secretion of WNTs in skin-derived precursors (SKPs) to further activate the β-CATENIN signal in HFSCs. By contrast, eliminating ROS or inhibiting WNT secretion attenuates the activation of HFSCs triggered by PBMT. Collectively, our work suggests that PBMT promotes hair regeneration through synergetic activation of β-CATENIN in HFSCs by ROS and paracrine WNTs by SKPs.
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Affiliation(s)
- Huan Jin
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Zhengzhi Zou
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Haocai Chang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Qi Shen
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Lingfeng Liu
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Da Xing
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China; Guangdong Provincial Key Laboratory of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
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12
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Cao L, Tian T, Huang Y, Tao S, Zhu X, Yang M, Gu J, Feng G, Ma Y, Xia R, Xu W, Wang L. Neural progenitor cell-derived nanovesicles promote hair follicle growth via miR-100. J Nanobiotechnology 2021; 19:20. [PMID: 33430889 PMCID: PMC7802142 DOI: 10.1186/s12951-020-00757-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 12/15/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Accumulating evidence shows that mesenchymal stem cell-derived extracellular vesicles (EVs) hold great promise to promote hair growth. However, large-scale production of EVs is still a challenge. Recently, exosome-mimetic nanovesicles (NV) prepared by extruding cells have emerged as an alternative strategy for clinical-scale production. Here, ReNcell VM (ReN) cells, a neural progenitor cell line was serially extruded to produce NV. RESULTS ReN-NV were found to promote dermal papilla cell (DPC) proliferation. In addition, in a mouse model of depilation-induced hair regeneration, ReN-NV were injected subcutaneously, resulting in an acceleration of hair follicle (HF) cycling transition at the site. The underlying mechanism was indicated to be the activation of Wnt/β-catenin signaling pathway. Furthermore, miR-100 was revealed to be abundant in ReN-NV and significantly up-regulated in DPCs receiving ReN-NV treatment. miR-100 inhibition verified its important role in ReN-NV-induced β-catenin signaling activation. CONCLUSION These results provide an alternative agent to EVs and suggest a strategy for hair growth therapy.
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Affiliation(s)
- Lei Cao
- Department of Dermatology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China
| | - Tian Tian
- Department of Neurobiology, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Yuanbo Huang
- Department of Dermatology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China
| | - Shiqin Tao
- Department of Dermatology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China
| | - Xiaohong Zhu
- Department of Dermatology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China
| | - Mifang Yang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, 210029, Jiangsu, China
- Institute of Stomatology, The Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, 210029, China
| | - Jing Gu
- Department of Dermatology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China
| | - Guangdong Feng
- Department of Dermatology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China
| | - Yinni Ma
- Department of Dermatology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China
| | - Rushan Xia
- Department of Dermatology, The Affiliated Wuxi No. 2 People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China.
| | - Wenrong Xu
- Department of Dermatology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China.
| | - Lei Wang
- Department of Dermatology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, 214000, Jiangsu, China.
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Torres AE, Lim HW. Photobiomodulation for the management of hair loss. PHOTODERMATOLOGY, PHOTOIMMUNOLOGY & PHOTOMEDICINE 2020; 37:91-98. [PMID: 33377535 DOI: 10.1111/phpp.12649] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 09/27/2020] [Accepted: 12/24/2020] [Indexed: 12/26/2022]
Abstract
Photobiomodulation, otherwise known as low-level laser (or light) therapy, is an emerging modality for the management of hair loss. Several randomized trials have demonstrated that it is safe and potentially effective on its own or in combination with standard therapies. These devices come in many forms including wearable caps or helmets that afford hands-free and discreet use. Models with light-emitting diodes (LEDs) are less expensive compared to laser-based devices and do not require laser safety considerations, thus facilitating ease of home use. Limitations include cost of the unit, risk of information bias, and lack of standardized protocols. Finally, as with any hair loss treatment, patients' expectations with regards to therapeutic outcomes must be managed.
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Affiliation(s)
- Angeli Eloise Torres
- Photomedicine and Photobiology Unit, Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
| | - Henry W Lim
- Photomedicine and Photobiology Unit, Department of Dermatology, Henry Ford Health System, Detroit, MI, USA
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Ruan Y, Kato H, Taguchi Y, Yamauchi N, Umeda M. Irradiation by high-intensity red light-emitting diode enhances human bone marrow mesenchymal stem cells osteogenic differentiation and mineralization through Wnt/β-catenin signaling pathway. Lasers Med Sci 2020; 36:55-65. [PMID: 32588268 DOI: 10.1007/s10103-020-03002-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 03/25/2020] [Indexed: 01/15/2023]
Abstract
Photobiomodulation therapy (PBMT) using a light-emitting diode (LED) has been employed for various photomedicine studies. The aim of this study was to determine the effects of a high-intensity red LED on the proliferation and osteogenic differentiation of human bone marrow mesenchymal stem cells (BMSCs) and the related mechanism. BMSCs were subjected to high-intensity red LED (LZ1-00R205 Deep Red LED) irradiations for 0 to 40 s with energy densities ranging from 0 to 8 J/cm2. The distance from the LED to the cell layer was 40 mm. The spot size on the target was 4 cm2. Cell proliferation was measured at 3, 24, 48, and 72 h. The effects of LED irradiation on osteogenic differentiation and mineralization were examined with a particular focus on the Wnt/β-catenin signaling pathway. The high-intensity red LED irradiations did not alter BMSC proliferation after 72 h. LED exposure of 6 J/cm2 (30 s) led to significant enhancements of osteogenic differentiation and mineralization. Additionally, the high-intensity LED irradiation induced activation of Wnt/β-catenin. The effects of the high-intensity LED irradiation on BMSC osteogenic differentiation and mineralization were suppressed by treatment with the Wnt/β-catenin inhibitor XAV939. P < 0.05 was considered significant. The results indicate that high-intensity red LED irradiation increases BMSC osteogenic differentiation and mineralization via Wnt/β-catenin activation. Therefore, short duration irradiation with a portable high-intensity LED may be used as a potential approach in hard tissue regeneration therapy.
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Affiliation(s)
- Yaru Ruan
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
| | - Hirohito Kato
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
| | - Yoichiro Taguchi
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan.
| | - Nobuhiro Yamauchi
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
| | - Makoto Umeda
- Department of Periodontology, Osaka Dental University, 8-1, Kuzuhahanazono-cho, Hirakata, Osaka, Japan
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Theodoro V, de Oliveira Fujii L, Lucke LD, Bortolazzo FO, Silva DFD, Carneiro GD, do Amaral MEC, de Oliveira CA, de Andrade TAM, Bombeiro AL, Vicente CP, do Bomfim FRC, de Oliveira ALR, Bagnato VS, Esquisatto MAM, Mendonça FAS, Dos Santos GMT, de Aro AA. Inhibitory effect of red LED irradiation on fibroblasts and co-culture of adipose-derived mesenchymal stem cells. Heliyon 2020; 6:e03882. [PMID: 32426535 PMCID: PMC7226671 DOI: 10.1016/j.heliyon.2020.e03882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 03/27/2020] [Accepted: 04/27/2020] [Indexed: 12/29/2022] Open
Abstract
The objective of this study was to evaluate the effects of red Light Emiting Diode (red LED) irradiation on fibroblasts in adipose-derived mesenchymal stem cells (ASC) co-culture on the scratch assay. We hypothesized that red LED irradiation could stimulate paracrine secretion of ASC, contributing to the activation of genes and molecules involved in cell migration and tissue repair. ASC were co-cultured with NIH/3T3 fibroblasts through direct contact and subjected to red LED irradiation (1.45 J/cm2/5min6s) after the scratch assay, during 4 days. Four groups were established: fibroblasts (F), fibroblasts + LED (FL), fibroblasts + ASC (FC) and fibroblasts + LED + ASC (FLC). The analyzes were based on Ctgf and Reck expression, quantification of collagen types I and III, tenomodulin, VEGF, TGF-β1, MMP-2 and MMP-9, as well as viability analysis and cell migration. Higher Ctgf expression was observed in FC compared to F. Group FC presented higher amount of tenomodulin and VEGF in relation to the other groups. In the cell migration analysis, a higher number of cells was observed in the scratched area of the FC group on the 4th day. There were no differences between groups considering cell viability, Reck expression, amount of collagen types I and III, MMP-2 and TGF-β1, whereas TGF-β1 was not detected in the FC group and the MMP-9 in none of the groups. Our hypothesis was not supported by the results because the red LED irradiation decreased the healing response of ASC. An inhibitory effect of the LED irradiation associated with ASC co-culture was observed with reduction of the amount of TGF-β1, VEGF and tenomodulin, possibly involved in the reduced cell migration. In turn, the ASC alone seem to have modulated fibroblast behavior by increasing Ctgf, VEGF and tenomodulin, leading to greater cell migration. In conclusion, red LED and ASC therapy can have independent effects on fibroblast wound healing, but the combination of both does not have a synergistic effect. Therefore, future studies with other parameters of red LED associated with ASC should be tested aiming clinical application for tissue repair.
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Affiliation(s)
- Viviane Theodoro
- Biomedical Sciences Graduate Program, University Center of Herminio Ometto Foundation / FHO, Araras, São Paulo, Brazil
| | - Lucas de Oliveira Fujii
- Biomedical Sciences Graduate Program, University Center of Herminio Ometto Foundation / FHO, Araras, São Paulo, Brazil
| | - Leticia Dudri Lucke
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | - Fernanda Oriani Bortolazzo
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | | | - Giane Daniela Carneiro
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | | | - Camila Andréa de Oliveira
- Biomedical Sciences Graduate Program, University Center of Herminio Ometto Foundation / FHO, Araras, São Paulo, Brazil
| | | | - André Luis Bombeiro
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | - Cristina Pontes Vicente
- Department of Structural and Functional Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
| | | | | | | | | | | | - Gláucia Maria Tech Dos Santos
- Biomedical Sciences Graduate Program, University Center of Herminio Ometto Foundation / FHO, Araras, São Paulo, Brazil
| | - Andrea Aparecida de Aro
- Biomedical Sciences Graduate Program, University Center of Herminio Ometto Foundation / FHO, Araras, São Paulo, Brazil.,Department of Structural and Functional Biology, Institute of Biology, State University of Campinas - UNICAMP, Campinas, São Paulo, Brazil
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16
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Chang B, Qiu H, Zhao H, Yang X, Wang Y, Ji T, Zhang Y, Quan Q, Li Y, Zeng J, Meng H, Gu Y. The Effects of Photobiomodulation on MC3T3-E1 Cells via 630 nm and 810 nm Light-Emitting Diode. Med Sci Monit 2019; 25:8744-8752. [PMID: 31743330 PMCID: PMC6880645 DOI: 10.12659/msm.920396] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Accepted: 11/05/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Photobiomodulation (PBM) has been explored as a promising therapeutic strategy to regulate bone cell growth; however, the effects of PBM on osteoblast cell lines remains poorly understood. In addition, as a light source of PBM, the light uniformity of light-emitting diode (LED) devices has not been given enough attention. MATERIAL AND METHODS Here, we sought to investigate the effects of PBM on MC3T3-E1 cells via 630 nm and 810 nm light from a newly designed LED with high uniformity of light. Cell proliferation, flow cytometric analysis, alkaline phosphatase (ALP) staining, ALP activity, Alizarin Red S staining, and quantitative real-time polymerase chain reaction (qRT-PCR) were carried out to assess treatment response. MC3T3-E1 cells were irradiated with LED devices (630±5 nm and 810±10 nm, continuous wave) for 200 seconds at a power density of 5 mW/cm² once daily. RESULTS Increases in cell proliferation and decreases in cell apoptosis were evident following irradiation. ALP staining intensity and activity were also significantly increased following irradiation. Level of mineralization was obviously enhanced in irradiated groups compared with non-irradiated controls. qRT-PCR also showed significant increases in mRNA expression of osteocalcin (OCN) and osteoprotegerin (OPG) in the irradiated groups. CONCLUSIONS Our results showed that LED PBM could promote the proliferation, ALP staining intensity and activity, level of mineralization, gene expression of OCN and OPG of MC3T3-E1 cells, with no significant difference between the 630 nm- and 810 nm-irradiated groups.
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Affiliation(s)
- Biao Chang
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
| | - Haixia Qiu
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
| | - Hongyou Zhao
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
| | - Xi Yang
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, P.R. China
- General Hospital of Xinjiang Military Command, Urumqi, Xinjiang, P.R. China
| | - Ying Wang
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
| | - Tengda Ji
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
| | - Yuxuan Zhang
- Institute of Orthopedics, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Beijing, P.R. China
- Key Laboratory of Musculoskeletal Trauma and War Injuries, People’s Liberation Army, Beijing, P.R. China
| | - Qi Quan
- Institute of Orthopedics, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Beijing, P.R. China
- Key Laboratory of Musculoskeletal Trauma and War Injuries, People’s Liberation Army, Beijing, P.R. China
| | - Yunqi Li
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
| | - Jing Zeng
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
| | - Haoye Meng
- Institute of Orthopedics, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Beijing, P.R. China
- Key Laboratory of Musculoskeletal Trauma and War Injuries, People’s Liberation Army, Beijing, P.R. China
| | - Ying Gu
- Department of Laser Medicine, Chinese People’s Liberation Army General Hospital, Beijing, P.R. China
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Liao Q, Qu S, Tang LX, Li LP, He DF, Zeng CY, Wang WE. Irisin exerts a therapeutic effect against myocardial infarction via promoting angiogenesis. Acta Pharmacol Sin 2019; 40:1314-1321. [PMID: 31061533 DOI: 10.1038/s41401-019-0230-z] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 03/14/2019] [Indexed: 02/08/2023] Open
Abstract
Irisin, a myokine, is cleaved from the extracellular portion of fibronectin domain-containing 5 protein in skeletal muscle and myocardium and secreted into circulation as a hormone during exercise. Irisin has been found to exert protective effects against lung and heart injuries. However, whether irisin influences myocardial infarction (MI) remains unclear. In this study we investigated the therapeutic effects of irisin in an acute MI model and its underlying mechanisms. Adult C57BL/6 mice were subjected to ligation of the left anterior descending coronary artery and treated with irisin for 2 weeks after MI. Cardiac function was assessed using echocardiography. We found that irisin administration significantly alleviated MI-induced cardiac dysfunction and ventricular dilation at 4 weeks post-MI. Irisin significantly reduced infarct size and fibrosis in post-MI hearts. Irisin administration significantly increased angiogenesis in the infarct border zone and decreased cardiomyocyte apoptosis, but did not influence cardiomyocyte proliferation. In human umbilical vein endothelial cells (HUVEC), irisin significantly increased the phosphorylation of ERK, and promoted the migration of HUVEC detected in wound-healing and transwell chamber migration assay. The effects of irisin were blocked by the ERK inhibitor U0126. In conclusion, irisin improves cardiac function and reduces infarct size in post-MI mouse heart. The therapeutic effect is associated with its pro-angiogenic function through activating ERK signaling pathway.
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Lin J, Ding X, Hong C, Pang Y, Chen L, Liu Q, Zhang X, Xin H, Wang X. Several biological benefits of the low color temperature light-emitting diodes based normal indoor lighting source. Sci Rep 2019; 9:7560. [PMID: 31101840 PMCID: PMC6525242 DOI: 10.1038/s41598-019-43864-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 03/04/2019] [Indexed: 12/01/2022] Open
Abstract
Currently, light pollution has become a nonnegligible issue in our daily life. Artificial light sources with high color temperature were deem to be the major pollution source, which could induce several adverse effects on human’s health. In our previous research, we have firstly developed an artificial indoor light with low color temperature (1900 K). However, the biological effects of this artificial light on human’s health are unclear. Here, four artificial lights (1900 K, 3000 K, 4000 K and 6600 K) were used to evaluate some biological changes in both human (in total 152 person-times) and murine models. Compared with other three high color temperature artificial lights, our lights (1900 K) presented a positive effect on promoting the secreting of melatonin and glutamate, protecting human’s eyes, accelerating would healing and hair regeneration. These systematical studies indicated that the proposed low color temperature (1900 K) light could provide several significant benefits in human’s daily life.
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Affiliation(s)
- Jiaqi Lin
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330031, China
| | - Xingwei Ding
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330031, China
| | - Can Hong
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330031, China
| | - Yulian Pang
- Affiliated Eye Hospital of Nanchang University, Jiangxi Research Institute of Ophthalmology & Visual Science, Nanchang, Jiangxi, 330088, China
| | - Liming Chen
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330031, China
| | - Quanwen Liu
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330031, China
| | - Xu Zhang
- Affiliated Eye Hospital of Nanchang University, Jiangxi Research Institute of Ophthalmology & Visual Science, Nanchang, Jiangxi, 330088, China
| | - Hongbo Xin
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330031, China
| | - Xiaolei Wang
- The National Engineering Research Center for Bioengineering Drugs and the Technologies, Institute of Translational Medicine, Nanchang University, Nanchang, Jiangxi, 330031, China.
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da Silveira SP, Moita SRU, da Silva SV, Rodrigues MFSD, da Silva DDFT, Pavani C. The role of photobiomodulation when associated with microneedling in female pattern hair loss: A randomized, double blind, parallel group, three arm, clinical study protocol. Medicine (Baltimore) 2019; 98:e14938. [PMID: 30896659 PMCID: PMC6709013 DOI: 10.1097/md.0000000000014938] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
UNLABELLED The female hair loss pattern was originally described as a synonym for androgenetic alopecia. It has been defined as progressive miniaturizations of the hair follicles, with a great impact on the quality of life of affected patients, causing significant psychosocial limitations. It was recently proven that photobiomodulation is a safe and effective way to treat the different types of hair loss. It was also known that microneedling is a minimally invasive dermatological procedure that is applied to a wide range of dermatological conditions, including androgenic alopecia, telogen effluvium, as well as other facial and bodily conditions. GOAL The aim of this study is to verify if there is an increase in the capillary density of strands of hair, when combining 660 nm red laser photobiomodulation and microneedling in addressing female pattern hair loss (FPHL). METHODS There will be 66 patients divided into 3 treatment groups. G1: microneedling and 660 nm red laser photobiomodulation sham; G2: 660 nm red laser photobiomodulation and microneedling sham; G3: microneedling and 660 nm red laser photobiomodulation. The treatment will consist in 36 sessions, 3 times a week for 3 consecutive months, with an insertion of microneedling every 30 days. The patients and the researchers will be blinded. The patients will be evaluated before, during, and after the treatments, by digital photography and the trichoscopy method (dermoscopic imaging of the scalp and hair). EXPECTED RESULTS It is expected that differences will be found in the growth rates of a strand of hair in mm/d, in the density of a strand of hair in n/cm, in the diameter of a strand of hair, as well as in the anagen/telogen ratio. ETHICS AND DISSEMINATION This protocol was approved by the Research Ethics Committee of the Nove de Julho University, São Paulo, Brazil, on the date of November 28, 2018 (CAAE: 01381718.0.0000.5511 - Acceptance Number: 3044061). This trial has been registered with the Brazilian Registry of Clinical Trials (REBEC TRIAL RBR-76VCCV). This study is not yet recruiting. Issue date: February 20, 2019.
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Affiliation(s)
- Suzana Polonca da Silveira
- Biophotonics Applied to Health Sciences Postgraduation Program, Universidade Nove de Julho, Universidade Nove de Julho
| | | | | | | | | | - Christiane Pavani
- Biophotonics Applied to Health Sciences Postgraduation Program, Universidade Nove de Julho, Universidade Nove de Julho
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PAK4 signaling in health and disease: defining the PAK4-CREB axis. Exp Mol Med 2019; 51:1-9. [PMID: 30755582 PMCID: PMC6372590 DOI: 10.1038/s12276-018-0204-0] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/27/2018] [Accepted: 11/05/2018] [Indexed: 02/06/2023] Open
Abstract
p21-Activated kinase 4 (PAK4), a member of the PAK family, regulates a wide range of cellular functions, including cell adhesion, migration, proliferation, and survival. Dysregulation of its expression and activity thus contributes to the development of diverse pathological conditions. PAK4 plays a pivotal role in cancer progression by accelerating the epithelial–mesenchymal transition, invasion, and metastasis. Therefore, PAK4 is regarded as an attractive therapeutic target in diverse types of cancers, prompting the development of PAK4-specific inhibitors as anticancer drugs; however, these drugs have not yet been successful. PAK4 is essential for embryonic brain development and has a neuroprotective function. A long list of PAK4 effectors has been reported. Recently, the transcription factor CREB has emerged as a novel effector of PAK4. This finding has broad implications for the role of PAK4 in health and disease because CREB-mediated transcriptional reprogramming involves a wide range of genes. In this article, we review the PAK4 signaling pathways involved in prostate cancer, Parkinson’s disease, and melanogenesis, focusing in particular on the PAK4-CREB axis. An enzyme that regulates an important controller of gene expression may offer a therapeutic target for cancer and other diseases. cAMP response element-binding protein (CREB) interacts with various other proteins to switch a myriad of target genes on and off in different cells. A review by Eung-Gook Kim, Eun-Young Shin and colleagues at Chungbuk National University, Cheongju, South Korea, explores the interplay between CREB and an enzyme called p21-activated kinase 4 (PAK4) in human health and disease. PAK4, for example, has been shown to promote CREB’s gene-activating function in prostate cancer, and PAK4 overexpression is a feature of numerous other tumor types. Disruptions in PAK4-mediated regulation of CREB activity have also been observed in neurons affected by Parkinson’s disease. The authors see strong clinical promise in further exploring the biology of the PAK4-CREB pathway.
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Dermatology today and tomorrow: from symptom control to targeted therapy. J Eur Acad Dermatol Venereol 2018; 33 Suppl 1:3-36. [DOI: 10.1111/jdv.15335] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 11/05/2018] [Indexed: 02/07/2023]
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