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Zhang Y, Liu F. The evolving views of hematopoiesis: from embryo to adulthood and from in vivo to in vitro. J Genet Genomics 2024; 51:3-15. [PMID: 37734711 DOI: 10.1016/j.jgg.2023.09.005] [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: 08/23/2023] [Revised: 09/13/2023] [Accepted: 09/13/2023] [Indexed: 09/23/2023]
Abstract
The hematopoietic system composed of hematopoietic stem and progenitor cells (HSPCs) and their differentiated lineages serves as an ideal model to uncover generic principles of cell fate transitions. From gastrulation onwards, there successively emerge primitive hematopoiesis (that produces specialized hematopoietic cells), pro-definitive hematopoiesis (that produces lineage-restricted progenitor cells), and definitive hematopoiesis (that produces multipotent HSPCs). These nascent lineages develop in several transient hematopoietic sites and finally colonize into lifelong hematopoietic sites. The development and maintenance of hematopoietic lineages are orchestrated by cell-intrinsic gene regulatory networks and cell-extrinsic microenvironmental cues. Owing to the progressive methodology (e.g., high-throughput lineage tracing and single-cell functional and omics analyses), our understanding of the developmental origin of hematopoietic lineages and functional properties of certain hematopoietic organs has been updated; meanwhile, new paradigms to characterize rare cell types, cell heterogeneity and its causes, and comprehensive regulatory landscapes have been provided. Here, we review the evolving views of HSPC biology during developmental and postnatal hematopoiesis. Moreover, we discuss recent advances in the in vitro induction and expansion of HSPCs, with a focus on the implications for clinical applications.
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Affiliation(s)
- Yifan Zhang
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, Shandong 266237, China
| | - Feng Liu
- Shandong Provincial Key Laboratory of Animal Cell and Developmental Biology, School of Life Sciences, Shandong University, Qingdao, Shandong 266237, China; State Key Laboratory of Membrane Biology, Institute of Zoology, Institute for Stem Cell and Regeneration, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, China.
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Kuzucu M. Extremophilic Solutions: The Role of Deinoxanthin in Counteracting UV-Induced Skin Harm. Curr Issues Mol Biol 2023; 45:8372-8394. [PMID: 37886971 PMCID: PMC10605247 DOI: 10.3390/cimb45100528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/28/2023] Open
Abstract
This research delved into the protective capacities of deinoxanthin, a carotenoid present in Deinococcus radiodurans, against UVA- and UVB-mediated skin damage using human fibroblast foreskin cells (HFF-1). Using the MTT assay, HFF-1 cells treated with 10 µM DNX displayed 20% and 31.7% higher viability than the positive (Vitamin C-treated) and negative (DNX-untreated) control groups, respectively, upon 100 mJ/cm2 UVB exposure. At 24 J/cm2 UVA, 20 µM DNX-treated cells showed 80.6% viability, exceeding the positive and negative control groups by 28.6% and 33.6%, respectively. Flow cytometry analysis revealed that cells treated with DNX and exposed to 24 J/cm2 UVA exhibited a 69.32% reduction in apoptotic processes compared to untreated cells. Similarly, when exposed to 100 mJ/cm2 UVB, DNX-treated cells demonstrated a 72.35% decrease in apoptotic processes relative to their untreated counterparts. DNX also displayed dose-dependent inhibition on tyrosinase activity. The study emphasized DNX's antioxidative capacity, evident in its modulation of superoxide dismutase activity and measurements of Malondialdehyde and intracellular reactive oxygen species levels. DNX-treated cells exhibited higher hydroxyproline levels, suggesting healthier collagen production. Additionally, the wound-healing assay method confirmed an accelerated healing rate in DNX-treated cells. Conclusively, DNX offers significant protection against UV-induced skin damage, emphasizing its potential for skincare and therapeutics.
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Affiliation(s)
- Mehmet Kuzucu
- Department of Biology, Faculty of Arts and Sciences, Erzincan Binali Yildirim University, Erzincan 24100, Türkiye
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3
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Effect of shear stress on the migration of hepatic stellate cells. In Vitro Cell Dev Biol Anim 2017; 54:11-22. [DOI: 10.1007/s11626-017-0202-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 10/04/2017] [Indexed: 12/22/2022]
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Ritto D, Tanasawet S, Singkhorn S, Klaypradit W, Hutamekalin P, Tipmanee V, Sukketsiri W. Astaxanthin induces migration in human skin keratinocytes via Rac1 activation and RhoA inhibition. Nutr Res Pract 2017; 11:275-280. [PMID: 28765773 PMCID: PMC5537536 DOI: 10.4162/nrp.2017.11.4.275] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 04/20/2017] [Accepted: 06/20/2017] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND/OBJECTIVES Re-epithelialization has an important role in skin wound healing. Astaxanthin (ASX), a carotenoid found in crustaceans including shrimp, crab, and salmon, has been widely used for skin protection. Therefore, we investigated the effects of ASX on proliferation and migration of human skin keratinocyte cells and explored the mechanism associated with that migration. MATERIAL/METHOD HaCaT keratinocyte cells were exposed to 0.25-1 µg/mL of ASX. Proliferation of keratinocytes was analyzed by using MTT assays and flow cytometry. Keratinocyte migration was determined by using a scratch wound-healing assay. A mechanism for regulation of migration was explored via immunocytochemistry and western blot analysis. RESULTS Our results suggest that ASX produces no significant toxicity in human keratinocyte cells. Cell-cycle analysis on ASX-treated keratinocytes demonstrated a significant increase in keratinocyte cell proliferation at the S phase. In addition, ASX increased keratinocyte motility across the wound space in a time-dependent manner. The mechanism by which ASX increased keratinocyte migration was associated with induction of filopodia and formation of lamellipodia, as well as with increased Cdc42 and Rac1 activation and decreased RhoA activation. CONCLUSIONS ASX stimulates the migration of keratinocytes through Cdc42, Rac1 activation and RhoA inhibition. ASX has a positive role in the re-epithelialization of wounds. Our results may encourage further in vivo and clinical study into the development of ASX as a potential agent for wound repair.
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Affiliation(s)
- Dakanda Ritto
- Department of Pharmacology, Faculty of Science, Prince of Songkla University, 15 Hat Yai, Songkhla 90110, Thailand
| | - Supita Tanasawet
- Department of Anatomy, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Sawana Singkhorn
- Department of Pharmacology, Faculty of Science, Prince of Songkla University, 15 Hat Yai, Songkhla 90110, Thailand
| | - Wanwimol Klaypradit
- Department of Fishery Product, Faculty of Fishery, Kasetsart University, Bangkok 10900, Thailand
| | - Pilaiwanwadee Hutamekalin
- Department of Physiology, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Varomyalin Tipmanee
- Department of Biomedical Sciences, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Wanida Sukketsiri
- Department of Pharmacology, Faculty of Science, Prince of Songkla University, 15 Hat Yai, Songkhla 90110, Thailand
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Spina A, Montella R, Liccardo D, De Rosa A, Laino L, Mitsiadis TA, La Noce M. NZ-GMP Approved Serum Improve hDPSC Osteogenic Commitment and Increase Angiogenic Factor Expression. Front Physiol 2016; 7:354. [PMID: 27594842 PMCID: PMC4990559 DOI: 10.3389/fphys.2016.00354] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 08/04/2016] [Indexed: 12/29/2022] Open
Abstract
Human dental pulp stem cells (hDPSCs), selected from the stromal-vascular fraction of dental pulp, are ecto-mesenchymal stem cells deriving from neural crests, successfully used in human bone tissue engineering. For their use in human therapy GMP procedures are required. For instance, the use of fetal bovine serum (FBS) is strongly discouraged in clinical practice due to its high risk of prions and other infections for human health. Alternatively, clinical grade sera have been suggested, including the New Zealand FBS (NZ-FBS). Therefore, the aim of this study was to evaluate the behavior of hDPSCs expanded in culture medium containing NZ-FBS. Since it was widely demonstrated hDPSCs display relevant capabilities to differentiate into osteogenic and angiogenic lineages, we performed a comparative study to assess if these features are also retained by cultivating the cells with a safer serum never tested on this cell line. hDPSCs were grown using NZ-FBS and conventional (C-FBS) for 7, 14, and 21 days, in both 2D and 3D cultures. Growth curves, expression of bone-related markers, calcification and angiogenesis were evaluated. NZ-FBS induced significant cell growth with respect to C-FBS and promoted an earlier increase expression of osteogenic markers, in particular of those involved in the formation of mineralized matrix (BSP and OPN) within 14 days. In addition, hDPSCs cultured in presence of NZ-FBS were found to produce higher mRNA levels of the angiogenic factors, such as VEGF and PDGFA. Taken together, our results highlight that hDPSCs proliferate, enhance their osteogenic commitment and increase angiogenic factors in NZ-FBS containing medium. These features have also been found when hDPSC were seeded on the clinical-grade collagen I scaffold (Bio-Gide®), leading to the conclusion that for human therapy some procedures and above all the use of GMP-approved materials have no negative impact.
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Affiliation(s)
- Anna Spina
- Sezione di Biotecnologie, Dipartimento di Medicina Sperimentale, Istologia Medica e Biologia Molecolare, Seconda Università degli Studi di Napoli Napoli, Italy
| | - Roberta Montella
- Sezione di Biotecnologie, Dipartimento di Medicina Sperimentale, Istologia Medica e Biologia Molecolare, Seconda Università degli Studi di Napoli Napoli, Italy
| | - Davide Liccardo
- Sezione di Biotecnologie, Dipartimento di Medicina Sperimentale, Istologia Medica e Biologia Molecolare, Seconda Università degli Studi di Napoli Napoli, Italy
| | - Alfredo De Rosa
- Sezione di Odontostomatologia, Dipartimento Multidisciplinare Medico-chirurgico, Seconda Università degli Studi di Napoli Napoli, Italy
| | - Luigi Laino
- Dipartimento di Medicina Clinica e Sperimentale, Università degli Studi di Foggia Foggia, Italy
| | - Thimios A Mitsiadis
- Orofacial Development and Regeneration, ZZM, Institute of Oral Biology, University of Zurich Zurich, Switzerland
| | - Marcella La Noce
- Sezione di Biotecnologie, Dipartimento di Medicina Sperimentale, Istologia Medica e Biologia Molecolare, Seconda Università degli Studi di Napoli Napoli, Italy
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Chen TC, Tsai TY, Chang SW. Molecular mechanism of fluoroquinolones modulation on corneal fibroblast motility. Exp Eye Res 2016; 145:10-16. [DOI: 10.1016/j.exer.2015.10.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Revised: 10/20/2015] [Accepted: 10/22/2015] [Indexed: 11/26/2022]
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Kaempferol-3-O-rutinoside from Afgekia mahidoliae promotes keratinocyte migration through FAK and Rac1 activation. J Nat Med 2015; 69:340-8. [PMID: 25783411 DOI: 10.1007/s11418-015-0899-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Accepted: 03/06/2015] [Indexed: 10/23/2022]
Abstract
The restoration of the epidermal epithelium through re-epithelialization is a critical process in wound healing. Directed keratinocyte migration to the wound is required, and the retardation of this process may result in a chronic, non-healing wound. The present study contributes to research aiming to identify promising compounds that promote wound healing using a human keratinocyte model. The effects of three kaempferol glycosides from an Afgekia mahidoliae leaf extract, kaempferol-3-O-arabinoside, kaempferol-3-O-glucoside, and kaempferol-3-O-rutinoside, on keratinocyte migration were determined. Interestingly, kaempferol-3-O-rutinoside exhibited a pronounced effect on wound closure in comparison to the parental kaempferol and other glycosides. The mechanism by which kaempferol-3-O-rutinoside enhances cell migration involves the induction of filopodia and lamellipodia formation, increased cellular levels of phosphorylated FAK (Tyr 397) and phosphorylated Akt (Ser 473), and up-regulation of active Rac1-GTP. The data obtained in this study may support the development of this compound for use in wound healing therapies.
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Yang L, Zheng J, Xu R, Zhang Y, Gu L, Dong J, Zhu Y, Zhou R, Zheng L, Zhang X, Du J. Melatonin suppresses hypoxia-induced migration of HUVECs via inhibition of ERK/Rac1 activation. Int J Mol Sci 2014; 15:14102-21. [PMID: 25123138 PMCID: PMC4159841 DOI: 10.3390/ijms150814102] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2014] [Revised: 07/31/2014] [Accepted: 08/07/2014] [Indexed: 01/12/2023] Open
Abstract
Melatonin, a naturally-occurring hormone, possesses antioxidant properties and ameliorates vascular endothelial dysfunction. In this study, we evaluate the impact of melatonin on the migratory capability of human umbilical vein endothelial cells (HUVECs) to hypoxia and further investigate whether ERK/Rac1 signaling is involved in this process. Here, we found that melatonin inhibited hypoxia-stimulated hypoxia-inducible factor-1α (HIF-1α) expression and cell migration in a dose-dependent manner. Mechanistically, melatonin inhibited Rac1 activation and suppressed the co-localized Rac1 and F-actin on the membrane of HUVECs under hypoxic condition. In addition, the blockade of Rac1 activation with ectopic expression of an inactive mutant form of Rac1-T17N suppressed HIF-1α expression and cell migration in response to hypoxia, as well, but constitutive activation of Rac1 mutant Rac1-V12 restored HIF-1α expression, preventing the inhibition of melatonin on cell migration. Furthermore, the anti-Rac1 effect of melatonin in HUVECs appeared to be associated with its inhibition of ERK phosphorylation, but not that of the PI3k/Akt signaling pathway. Taken together, our work indicates that melatonin exerts an anti-migratory effect on hypoxic HUVECs by blocking ERK/Rac1 activation and subsequent HIF-1α upregulation.
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Affiliation(s)
- Ling Yang
- Department of Cardiology, the Third Affiliated Hospital of Soochow University, Changzhou 213003, Jiangsu, China.
| | - Jianchao Zheng
- Department of Physiology, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Rui Xu
- Department of Physiology, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Yujie Zhang
- Department of Physiology, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Luo Gu
- Department of Physiology, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Jing Dong
- Epidemiology and Biostatistics and Ministry of Education (MOE) Key Lab for Modern Toxicology, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Yichao Zhu
- Department of Physiology, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Ruijue Zhou
- Department of Cardiology, the Third Affiliated Hospital of Soochow University, Changzhou 213003, Jiangsu, China.
| | - Lu Zheng
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, Jiangsu, China.
| | - Xiaoying Zhang
- Comprehensive Laboratory, the Third Affiliated Hospital of Soochow University, Changzhou 213003, Jiangsu, China.
| | - Jun Du
- Department of Physiology, Nanjing Medical University, Nanjing 210029, Jiangsu, China.
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Chen XY, Wang ZC, Li J, Liu XL, Sun YH. Regulation of synoviocyte activity by resveratrol in rats with adjuvant arthritis. Exp Ther Med 2013; 6:172-176. [PMID: 23935741 PMCID: PMC3735719 DOI: 10.3892/etm.2013.1078] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2013] [Accepted: 04/08/2013] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to investigate the preventive effects of resveratrol (Res) on rats with adjuvant arthritis (AA) and the mechanism(s) of action. An AA model was established by injection of Freund’s complete adjuvant (FCA). Vascular endothelial growth factor (VEGF) was visualized in joint specimens using immunohistochemistry. IL-1β and TNF-α production in synoviocytes was determined by radioimmunoassay (RIA). The mRNA expression of IL-1β and TNF-α was observed in synoviocytes using the reverse transcription (RT)-PCR method. The synoviocytes of the AA model were stimulated by Res or treated with the protein kinase C (PKC) inhibitor chelerythrine prior to stimulation. The expression of phosphorylated ERK1/2 (p-ERK1/2) was detected by western blotting. Res was able to reduce the elevated levels of IL-1β and TNF-α, and inhibit the mRNA expression of IL-1β and TNF-α in the synoviocytes of the AA model rats. VEGF expression in the Res-treated group was significantly lowered. The protein expression levels of p-ERK1/2 were significantly higher in the Res-treated group compared with those of the model group, while p-ERK1/2 was markedly lower in the group pretreated with chelerythrine. Res has a therapeutic effect on AA rats, which may be correlated with its immunoregulatory actions, and may activate p-ERK1/2 in synoviocytes via PKC.
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Affiliation(s)
- Xiao-Yu Chen
- Department of Histology and Embryology, Anhui Medical University, Hefei, Anhui 230032
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Wary KK, Kohler EE, Chatterjee I. Focal adhesion kinase regulation of neovascularization. Microvasc Res 2012; 83:64-70. [PMID: 21616084 PMCID: PMC3186864 DOI: 10.1016/j.mvr.2011.05.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Revised: 05/04/2011] [Accepted: 05/06/2011] [Indexed: 11/22/2022]
Abstract
In this review, we discuss the role of focal adhesion kinase (FAK), an intracellular tyrosine kinase, in endothelial cells in relation to neovascularization. Genetic and in vitro studies have identified critical factors, receptor systems, and their intracellular signaling components that regulate the neovasculogenic phenotypes of endothelial cells. Among these factors, FAK appears to regulate several aspects of endothelial cellular behavior, including migration, survival, cytoskeletal organization, as well as cell proliferation. Upon adhesion of endothelial cells to extracellular matrix (ECM) ligands, integrins cluster on the plane of plasma-membrane, while cytoplasmic domains of integrins interact with cytoskeletal proteins and signaling molecules including FAK. However, FAK not only serves as a critical component of integrin signaling, but is also a downstream element of the VEGF/VEGF-receptor and other ligand-receptor systems that regulate neovascularization. A complete understanding of FAK-mediated neovascularization, therefore, should address the molecular and cellular mechanisms that regulate the biology of FAK. Continued research on FAK may, therefore, yield novel therapies to improve treatment modalities for the pathological neovascularization associated with diseases.
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Affiliation(s)
- Kishore K Wary
- Department of Pharmacology, University of Illinois, 835 S. Wolcott, Room E403, Mail code 868, Chicago, IL 60612, USA.
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