1
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Du J, Zhou W, Sun Z, Zhang W, Luo W, Liu S. Peroxiredoxin 1 promotes proliferation and inhibits differentiation of MC3T3-E1 cells via AKT1 / NF-κB signaling pathway. J Oral Biosci 2024; 66:403-411. [PMID: 38663496 DOI: 10.1016/j.job.2024.04.007] [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: 03/12/2024] [Accepted: 04/20/2024] [Indexed: 06/15/2024]
Abstract
OBJECTIVES Osteoporosis is the most common metabolic bone disease worldwide. The decrease in bone mass is primarily accompanied by a decrease in the number and activity of osteoblasts. Peroxiredoxins (PRDXs) are proteins that detect extremely low peroxide levels and act as sensors that regulate oxidation signals, thereby regulating various cellular functions. This study aimed to evaluate the effects of PRDX1 and estrogen on the biological behavior of osteoblasts, including their proliferation and differentiation. METHODS Ovariectomized (OVX) mice were used to establish a model of osteoporosis and perform morphological and immunohistochemical analyses. Prdx1 gene knockout and overexpression were performed in mouse MC3T3-E1 pre-osteoblasts to assess proliferation and osteogenic differentiation using the cell counting kit-8, quantitative reverse transcription polymerase chain reaction, western blotting (WB), Alizarin Red S staining, etc. RESULTS: The OVX mice exhibited osteoporosis and PRDX1 expression increased. In vitro experiments showed that during the osteogenic differentiation of osteoblasts, PRDX1 expression decreased, while the expression of COL1 and RUNX2 increased. After Prdx1 knockout, the proliferation of osteoblasts decreased; expression of Runx2, ALP, and COL1 increased; and mineralization increased. However, after Prdx1 overexpression, osteoblast proliferation was enhanced, whereas osteogenic differentiation and mineralization were inhibited. Estrogen inhibits the H2O2-induced decrease in osteoblastic differentiation and increase in PRDX1 expression. WB revealed that when LY294002 inhibited the AKT signaling pathway, the levels of p-AKT1, p-P65, and PRDX1 protein in MC3T3-E1 cells decreased. However, when pyrrolidine dithiocarbamate (PDTC) inhibited the NF-κB signaling pathway, the expression of p-AKT1 and PRDX1 did not change except for a significant reduction of p-P65 expression. Furthermore, PDTC reversed the decreased expression of RUNX2, ALP, and COL1 caused by PRDX1 overexpression. CONCLUSIONS PRDX1 promotes the proliferation of osteoblasts and inhibits osteogenic differentiation. Estrogen regulated osteoblastic differentiation by affecting the expression of PRDX1 in osteoblasts, and the effect is related to the AKT1/NF-κB signaling pathway.
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Affiliation(s)
- Juan Du
- Department of Stomatology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Wei Zhou
- Department of Stomatology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Zhe Sun
- Department of Stomatology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Weilong Zhang
- Department of Stomatology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Wei Luo
- Shandong Key Laboratory of Reproductive Medicine, Department of Obstetrics and Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China
| | - Shanshan Liu
- Department of Stomatology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, Shandong, China; School of Stomatology, Shandong First Medical, University and Shandong Academy of Medical Sciences, Jinan, 250024, Shandong, China.
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2
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Lu V, Roy IJ, Teitell MA. Nutrients in the fate of pluripotent stem cells. Cell Metab 2021; 33:2108-2121. [PMID: 34644538 PMCID: PMC8568661 DOI: 10.1016/j.cmet.2021.09.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/07/2021] [Accepted: 09/23/2021] [Indexed: 12/11/2022]
Abstract
Pluripotent stem cells model certain features of early mammalian development ex vivo. Medium-supplied nutrients can influence self-renewal, lineage specification, and earliest differentiation of pluripotent stem cells. However, which specific nutrients support these distinct outcomes, and their mechanisms of action, remain under active investigation. Here, we evaluate the available data on nutrients and their metabolic conversion that influence pluripotent stem cell fates. We also discuss key questions open for investigation in this rapidly expanding area of increasing fundamental and practical importance.
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Affiliation(s)
- Vivian Lu
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Irena J Roy
- Developmental and Stem Cell Biology, School of Medicine, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Michael A Teitell
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA; Jonsson Comprehensive Cancer Center, California NanoSystems Institute, and Broad Center for Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, Los Angeles, CA 90095, USA.
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3
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Tay EXY, Chia K, Ong DST. Epigenetic plasticity and redox regulation of neural stem cell state and fate. Free Radic Biol Med 2021; 170:116-130. [PMID: 33684459 DOI: 10.1016/j.freeradbiomed.2021.02.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 01/20/2021] [Accepted: 02/24/2021] [Indexed: 12/16/2022]
Abstract
The neural stem cells (NSCs) are essential for normal brain development and homeostasis. The cell state (i.e. quiescent versus activated) and fate (i.e. the cell lineage of choice upon differentiation) of NSCs are tightly controlled by various redox and epigenetic regulatory mechanisms. There is an increasing appreciation that redox and epigenetic regulations are intimately linked, but how this redox-epigenetics crosstalk affects NSC activity remains poorly understood. Another unresolved topic is whether the NSCs actually contribute to brain ageing and neurodegenerative diseases. In this review, we aim to 1) distill concepts that underlie redox and epigenetic regulation of NSC state and fate; 2) provide examples of the redox-epigenetics crosstalk in NSC biology; and 3) highlight potential redox- and epigenetic-based therapeutic opportunities to rescue NSC dysfunctions in ageing and neurodegenerative diseases.
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Affiliation(s)
- Emmy Xue Yun Tay
- Department of Physiology, National University of Singapore, Singapore, 117593, Singapore
| | - Kimberly Chia
- Department of Physiology, National University of Singapore, Singapore, 117593, Singapore
| | - Derrick Sek Tong Ong
- Department of Physiology, National University of Singapore, Singapore, 117593, Singapore; Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, 138673, Singapore; National Neuroscience Institute, Singapore, 308433, Singapore.
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4
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Matos B, Publicover SJ, Castro LFC, Esteves PJ, Fardilha M. Brain and testis: more alike than previously thought? Open Biol 2021; 11:200322. [PMID: 34062096 PMCID: PMC8169208 DOI: 10.1098/rsob.200322] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Several strands of evidence indicate the presence of marked similarities between human brain and testis. Understanding these similarities and their implications has become a topic of interest among the scientific community. Indeed, an association of intelligence with some semen quality parameters has been reported and a relation between dysfunctions of the human brain and testis has also been evident. Numerous common molecular features are evident when these tissues are compared, which is reflected in the huge number of common proteins. At the functional level, human neurons and sperm share a number of characteristics, including the importance of the exocytotic process and the presence of similar receptors and signalling pathways. The common proteins are mainly involved in exocytosis, tissue development and neuron/brain-associated biological processes. With this analysis, we conclude that human brain and testis share several biochemical characteristics which, in addition to their involvement in the speciation process, could, at least in part, be responsible for the expression of a huge number of common proteins. Nonetheless, this is an underexplored topic, and the connection between these tissues needs to be clarified, which could help to understand the dysfunctions affecting brain and testis, as well as to develop improved therapeutic strategies.
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Affiliation(s)
- Bárbara Matos
- Laboratory of Signal Transduction, Department of Medical Sciences, Institute of Biomedicine-iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Stephen J Publicover
- School of Biosciences, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Luis Filipe C Castro
- CIIMAR/CIMAR-Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Porto, Portugal.,Department of Biology, FCUP-Faculty of Sciences, University of Porto, Porto, Portugal
| | - Pedro J Esteves
- Department of Biology, FCUP-Faculty of Sciences, University of Porto, Porto, Portugal.,CIBIO-InBIO, Research Centre in Biodiversity and Genetic Resources, Campus Agrico de Vairão, University of Porto, 4485-661 Vairão, Portugal
| | - Margarida Fardilha
- Laboratory of Signal Transduction, Department of Medical Sciences, Institute of Biomedicine-iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal
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5
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Červenka J, Tylečková J, Kupcová Skalníková H, Vodičková Kepková K, Poliakh I, Valeková I, Pfeiferová L, Kolář M, Vaškovičová M, Pánková T, Vodička P. Proteomic Characterization of Human Neural Stem Cells and Their Secretome During in vitro Differentiation. Front Cell Neurosci 2021; 14:612560. [PMID: 33584205 PMCID: PMC7876319 DOI: 10.3389/fncel.2020.612560] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/14/2020] [Indexed: 12/19/2022] Open
Abstract
Cell therapies represent a promising approach to slow down the progression of currently untreatable neurodegenerative diseases (e.g., Alzheimer's and Parkinson's disease or amyotrophic lateral sclerosis), as well as to support the reconstruction of functional neural circuits after spinal cord injuries. In such therapies, the grafted cells could either functionally integrate into the damaged tissue, partially replacing dead or damaged cells, modulate inflammatory reaction, reduce tissue damage, or support neuronal survival by secretion of cytokines, growth, and trophic factors. Comprehensive characterization of cells and their proliferative potential, differentiation status, and population purity before transplantation is crucial to preventing safety risks, e.g., a tumorous growth due to the proliferation of undifferentiated stem cells. We characterized changes in the proteome and secretome of human neural stem cells (NSCs) during their spontaneous (EGF/FGF2 withdrawal) differentiation and differentiation with trophic support by BDNF/GDNF supplementation. We used LC-MS/MS in SWATH-MS mode for global cellular proteome profiling and quantified almost three thousand cellular proteins. Our analysis identified substantial protein differences in the early stages of NSC differentiation with more than a third of all the proteins regulated (including known neuronal and NSC multipotency markers) and revealed that the BDNF/GDNF support affected more the later stages of the NSC differentiation. Among the pathways identified as activated during both spontaneous and BDNF/GDNF differentiation were the HIF-1 signaling pathway, Wnt signaling pathway, and VEGF signaling pathway. Our follow-up secretome analysis using Luminex multiplex immunoassay revealed significant changes in the secretion of VEGF and IL-6 during NSC differentiation. Our results further demonstrated an increased expression of neuropilin-1 as well as catenin β-1, both known to participate in the regulation of VEGF signaling, and showed that VEGF-A isoform 121 (VEGF121), in particular, induces proliferation and supports survival of differentiating cells.
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Affiliation(s)
- Jakub Červenka
- Laboratory of Applied Proteome Analyses, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia.,Department of Cell Biology, Faculty of Science, Charles University, Prague, Czechia
| | - Jiřina Tylečková
- Laboratory of Applied Proteome Analyses, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia
| | - Helena Kupcová Skalníková
- Laboratory of Applied Proteome Analyses, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia
| | - Kateřina Vodičková Kepková
- Laboratory of Applied Proteome Analyses, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia
| | - Ievgeniia Poliakh
- Laboratory of Applied Proteome Analyses, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia.,Department of Cell Biology, Faculty of Science, Charles University, Prague, Czechia
| | - Ivona Valeková
- Laboratory of Cell Regeneration and Plasticity, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia
| | - Lucie Pfeiferová
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia.,Department of Informatics and Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology, Prague, Czechia
| | - Michal Kolář
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czechia
| | - Michaela Vaškovičová
- Department of Cell Biology, Faculty of Science, Charles University, Prague, Czechia.,Laboratory of DNA Integrity, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia
| | - Tereza Pánková
- Laboratory of Applied Proteome Analyses, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia.,Department of Cell Biology, Faculty of Science, Charles University, Prague, Czechia
| | - Petr Vodička
- Laboratory of Applied Proteome Analyses, Research Center PIGMOD, Institute of Animal Physiology and Genetics of the Czech Academy of Sciences, Liběchov, Czechia
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6
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Meyfour A, Pahlavan S, Mirzaei M, Krijgsveld J, Baharvand H, Salekdeh GH. The quest of cell surface markers for stem cell therapy. Cell Mol Life Sci 2021; 78:469-495. [PMID: 32710154 PMCID: PMC11073434 DOI: 10.1007/s00018-020-03602-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/10/2020] [Accepted: 07/17/2020] [Indexed: 12/15/2022]
Abstract
Stem cells and their derivatives are novel pharmaceutics that have the potential for use as tissue replacement therapies. However, the heterogeneous characteristics of stem cell cultures have hindered their biomedical applications. In theory and practice, when cell type-specific or stage-specific cell surface proteins are targeted by unique antibodies, they become highly efficient in detecting and isolating specific cell populations. There is a growing demand to identify reliable and actionable cell surface markers that facilitate purification of particular cell types at specific developmental stages for use in research and clinical applications. The identification of these markers as very important members of plasma membrane proteins, ion channels, transporters, and signaling molecules has directly benefited from proteomics and tools for proteomics-derived data analyses. Here, we review the methodologies that have played a role in the discovery of cell surface markers and introduce cutting edge single cell proteomics as an advanced tool. We also discuss currently available specific cell surface markers for stem cells and their lineages, with emphasis on the nervous system, heart, pancreas, and liver. The remaining gaps that pertain to the discovery of these markers and how single cell proteomics and identification of surface markers associated with the progenitor stages of certain terminally differentiated cells may pave the way for their use in regenerative medicine are also discussed.
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Affiliation(s)
- Anna Meyfour
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Sara Pahlavan
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mehdi Mirzaei
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
- Australian Proteome Analysis Facility, Macquarie University, Sydney, NSW, Australia
| | - Jeroen Krijgsveld
- German Cancer Research Center (DKFZ), Im Neuenheimer Feld 581, Heidelberg, Germany
- Medical Faculty, Heidelberg University, Im Neuenheimer Feld 672, Heidelberg, Germany
| | - Hossein Baharvand
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Department of Developmental Biology, University of Science and Culture, Tehran, Iran
| | - Ghasem Hosseini Salekdeh
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia.
- Department of Molecular Systems Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Banihashem St, P.O. Box: 16635-148, 1665659911, Tehran, Iran.
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7
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Une M, Yamakawa M, Watanabe Y, Uchino K, Honda N, Adachi M, Nakanishi M, Umezawa A, Kawata Y, Nakashima K, Hanajima R. SOD1-interacting proteins: Roles of aggregation cores and protein degradation systems. Neurosci Res 2020; 170:295-305. [PMID: 32726594 DOI: 10.1016/j.neures.2020.07.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 07/15/2020] [Accepted: 07/15/2020] [Indexed: 11/26/2022]
Abstract
Cu/Zn superoxide dismutase (SOD1) mutations are associated with amyotrophic lateral sclerosis (ALS). SOD1-positive aggregates in motor neurons, as well as proteins that interact with the aggregates are presumably involved in ALS neurotoxicity. We used a proteomics approach to compare differences in protein expression in spinal cord homogenates from non-transgenic (NTG) and ALS model mice. Using the homogenates, we identified proteins that interacted with SOD1 seeds in vitro. We assessed differences in SOD1-interacting proteins in cell cultures treated with proteasome or autophagy inhibitor. In the first experiment, intermediate filamentous and small heat shock proteins were upregulated in glial cells. We identified 26 protein types that interacted with aggregation cores in ALS model homogenates, and unexpectedly, 40 proteins in were detected in NTG mice. In cell cultures treated with proteasome and autophagy inhibitors, we identified 16 and 11 SOD1-interacting proteins, respectively, and seven proteins in untreated cells. These SOD1-interacting proteins were involved in multiple cellular functions such as protein quality control, cytoskeletal organization, and pathways involved in growth factor signaling and their downstream cascades. The complex interactions between pathways could cause further dysregulation, ultimately leading to fatal cellular dysfunction in ALS.
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Affiliation(s)
- Mio Une
- Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Miho Yamakawa
- Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Yasuhiro Watanabe
- Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago, Japan.
| | - Kazuyuki Uchino
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, Tottori, Japan
| | - Naoto Honda
- Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Mayuka Adachi
- Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Mami Nakanishi
- Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago, Japan
| | - Akihiro Umezawa
- Center for Regenerative Medicine, National Research Institute for Child Health and Development, Tokyo, Japan
| | - Yasushi Kawata
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, Tottori, Japan
| | - Kenji Nakashima
- Department of Neurology, National Hospital Organization, Matsue Medical Center, Matsue, Japan
| | - Ritsuko Hanajima
- Division of Neurology, Department of Brain and Neurosciences, Faculty of Medicine, Tottori University, Yonago, Japan
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8
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Han YH, Jin MH, Jin YH, Yu NN, Liu J, Zhang YQ, Cui YD, Wang AG, Lee DS, Kim SU, Kim JS, Kwon T, Sun HN. Deletion of Peroxiredoxin II Inhibits the Growth of Mouse Primary Mesenchymal Stem Cells Through Induction of the G 0/G 1 Cell-cycle Arrest and Activation of AKT/GSK3β/β-Catenin Signaling. In Vivo 2020; 34:133-141. [PMID: 31882472 DOI: 10.21873/invivo.11754] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/23/2019] [Accepted: 10/29/2019] [Indexed: 12/17/2022]
Abstract
BACKGROUND/AIM Dermal mesenchymal stem cells (DMSCs) are pluripotent stem cells found in the skin which maintain the thickness of the dermal layer and participate in skin wound healing. MATERIALS AND METHODS The MTT assay was performed to detect cell proliferation and cell-cycle progression and cell-surface markers were assessed by flow cytometry. The levels of proteins in related signaling pathways were detected by western blotting assay and the translocation of β-catenin into the nucleus were detected by immunofluorescence. Red oil O staining was performed to examine the differentiational ability of DMSCs. RESULTS Knockout of PRDX2 inhibited DMSC cell growth, and cell-cycle arrest at G0/G1 phase; p16, p21 and cyclin D1 expression levels in Prdx2 knockout DMSCs were significantly increased. Furthermore, AKT phosphorylation were significantly increased in Prdx2 knockout DMSCs, GSK3β activity were inhibited, result in β-Catenin accumulated in the nucleus. CONCLUSION In conclusion, these results demonstrated that PRDX2 plays a pivotal role in regulating the proliferation of DMSCs, and this is closely related to the AKT/glycogen synthase kinase 3 beta/β-catenin signaling pathway.
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Affiliation(s)
- Ying-Hao Han
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
| | - Mei-Hua Jin
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
| | - Ying-Hua Jin
- Library and Information Center, College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
| | - Nan-Nan Yu
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
| | - Jun Liu
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
| | - Yong-Qing Zhang
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
| | - Yu-Dong Cui
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
| | - Ai-Guo Wang
- Laboratory Animal center, Dalian Medical University, Dalian, P.R. China
| | - Dong-Seok Lee
- School of Life Sciences, KNU Creative BioResearch Group (BK21 plus project), Kyungpook National University, Daegu, Republic of Korea
| | - Sun-Uk Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju-si, Republic of Korea
| | - Ji-Su Kim
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeonbuk, Republic of Korea
| | - Taeho Kwon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeonbuk, Republic of Korea
| | - Hu-Nan Sun
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Heilongjiang, P.R. China
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Rassouli H, Sayadmanesh A, Rezaeiani S, Ghezelayagh Z, Gharaati MR, Tahamtani Y. An Easy and Fast Method for Production of Chinese Hamster Ovary Cell Line Expressing and Secreting Human Recombinant Activin A. CELL JOURNAL 2019; 22:140-148. [PMID: 31721527 PMCID: PMC6874793 DOI: 10.22074/cellj.2020.6580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 02/10/2019] [Indexed: 11/25/2022]
Abstract
Objective Growth factors are key elements of embryonic stem cell (ESC) research. Cell line development in eukaryotes
is a time-consuming procedure which usually takes 12-18 months. Here, we report an easy and fast method with which
production of Chinese hamster ovary (CHO) cells that express and secrete recombinant Activin A, as a major growth
factor in endo/mesoderm differentiation of embryonic stem cells is achieved within 3-4 weeks.
Materials and Methods In this experimental study, we cloned human Activin A into the pDONR/Zeo gateway entry
vector using the BP reaction. Activin A was subcloned next into the pLIX_403 and pLenti6.3/TO/V5-DEST destination
vectors by the LR reaction. The result was the production of constructs with which 293T cells were finally transfected
for virus production. CHO cells were transduced using viral particles to produce a cell line that secretes the His6- Activin
A fusion protein.
Results We developed a quick protocol which saves up to 3-4 weeks of time for producing recombinant proteins in
CHO cells. The recombinant cell line produced 90 mg/L of functional Activin A measured in human ESC line Royan H5
(RH5), during in vitro differentiation into meso-endoderm and definitive endoderm.
Conclusion Our results showed no significant differences in functionality between commercial Activin A and the one
produced using our novel protocol. This approach can be easily used for producing recombinant proteins in CHO.
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Affiliation(s)
- Hassan Rassouli
- Department of Molecular Systems Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran. Electronic Address: .,Department of Medical Laser, Medical Laser Research Center, Yara Institute, ACECR, Tehran, Iran
| | - Ali Sayadmanesh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran. Electronic Address
| | - Siamak Rezaeiani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Zahra Ghezelayagh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,Department of Developmental Biology, University of Science and Culture, Tehran, Iran
| | - Mohammad Reza Gharaati
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Yaser Tahamtani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,Department of Developmental Biology, University of Science and Culture, Tehran, Iran. Electronic Address:
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10
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Rassouli H, Khalaj M, Hassani SN, Nemati SH, Hosseini Salekdeh GH, Baharvand H. Gene Expression Patterns of Royan Human Embryonic Stem Cells Correlate with Their Propensity and Culture Systems. CELL JOURNAL 2019; 21:290-299. [PMID: 31210435 PMCID: PMC6582416 DOI: 10.22074/cellj.2019.6128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 11/20/2018] [Indexed: 11/09/2022]
Abstract
OBJECTIVE Human embryonic stem cells (hESCs) have the potential to give rise to all types of cells in the human body when appropriately induced to differentiate. Stem cells can differentiate spontaneously into the three-germ layer derivatives by embryoid bodies (EBs) formation. However, the two-dimensional (2D) adherent culture of hESCs under defined conditions is commonly used for directed differentiation toward a specific type of mature cells. In this study, we aimed to determine the propensity of the Royan hESC lines based on comparison of expression levels of 46 lineage specific markers. MATERIALS AND METHODS In this experimental study, we have compared the expression of lineage-specific markers in hESC lines during EB versus adherent-based spontaneous differentiation. We used quantitative real-time polymerase chain reaction (qRT-PCR) to assess expressions of 46 lineage-specific markers in 4 hESC lines, Royan H1 (RH1), RH2, RH5, and RH6, during spontaneous differentiation in both EB and adherent cultures at 0, 10, and 30 days after initiation of differentiation. RESULTS Based on qRT-PCR data analysis, the liver and neuronal markers had higher expression levels in EBs, whereas skin-specific markers expressed at higher levels in the adherent culture. The results showed differential expression patterns of some lineage-specific markers in EBs compared with the adherent cultures. CONCLUSION According to these results, possibly the spontaneous differentiation technique could be a useful method for optimization of culture conditions to differentiate stem cells into specific cell types such ectoderm, neuron, endoderm and hepatocyte. This approach might prove beneficial for further work on maximizing the efficiency of directed differentiation and development of novel differentiation protocols.
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Affiliation(s)
- Hassan Rassouli
- Department of Molecular Systems Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mona Khalaj
- Department of Molecular Systems Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Seyedeh-Nafiseh Hassani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - S Hiva Nemati
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - G Hasem Hosseini Salekdeh
- Department of Molecular Systems Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Department of Systems Biology, Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education, and Extension Organization, Karaj, Iran. Electronic Address:
- Department of Molecular Sciences, Macquarie University, Sydney, NSW, Australia
| | - Hossein Baharvand
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran. Electronic Address:
- Department of Developmental Biology, University of Science and Culture, Tehran, Iran
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Meyfour A, Hosseini M, Sobhanian H, Pahlavan S. Iran's Contribution to Human Proteomic Research. CELL JOURNAL 2019; 21:229-235. [PMID: 31210427 PMCID: PMC6582420 DOI: 10.22074/cellj.2019.6303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 11/17/2018] [Indexed: 11/04/2022]
Abstract
Proteomics is a powerful approach to study the whole set of proteins expressed in an organism, organ, tissue or cell resulting in valuable information on physiological or pathological state of a biological system. High throughput proteomic data facilitated the understanding of various biological systems with respect to normal and pathological conditions particularly in the instances of human clinical manifestations. The important role of proteins as the functional gene products encouraged scientists to apply this technology to gain a better understanding of extremely complex biological systems. In last two decades, several proteomics teams have been gradually formed in Iran. In this review, we highlight the most important findings of proteomic research groups in Iran at various areas of stem cells, Y chromosome, infertility, infectious disease and biomarker discovery.
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Affiliation(s)
- Anna Meyfour
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Molecular Systems Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mahya Hosseini
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | | | - Sara Pahlavan
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.Electronic Address:
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12
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Kang PJ, Zheng J, Lee G, Son D, Kim IY, Song G, Park G, You S. Glycine decarboxylase regulates the maintenance and induction of pluripotency via metabolic control. Metab Eng 2019; 53:35-47. [DOI: 10.1016/j.ymben.2019.02.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/26/2019] [Accepted: 02/11/2019] [Indexed: 01/07/2023]
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13
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Ryu J, Park BC, Lee DH. A proteomic analysis of differentiating dopamine neurons derived from human embryonic stem cells. Anim Cells Syst (Seoul) 2019; 23:219-227. [PMID: 31231586 PMCID: PMC6566932 DOI: 10.1080/19768354.2019.1595140] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 02/23/2019] [Accepted: 03/03/2019] [Indexed: 11/08/2022] Open
Abstract
Human embryonic stem cells (hESC) are being exploited for potential use in cell transplantation due to their capacity for self-renewal and pluripotency. Dopamine (DA) neurons derived from hESC represent a promising source of cell replacement therapy for Parkinson’s disease (PD). While gene expression on the transcriptome level has been extensively studied, limited information is available for the proteome-level changes associated with DA neuron differentiation. Here we analyzed the proteome of differentiating DA neurons to search for the potential biomarkers to assess the efficiency of differentiation. Although the proteome profile of DA neurons did not exhibit significant changes, a number of cytoskeletal proteins including nuclear lamin, tropomyosin 1, and myosin light chain 1 were specifically up-regulated during differentiation. Expression analysis of the respective genes was also consistent with the proteome results. In addition, these differentially expressed proteins form protein interaction network with several PD-related proteins suggesting that they may play roles in PD pathogenesis as well as the maturation of DA neurons.
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Affiliation(s)
- Joohyun Ryu
- Department of Cellular and Molecular Biology, The Hormel Institute, University of Minnesota, Austin, MN, USA
| | - Byoung Chul Park
- Disease Target Structure Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Korea
| | - Do Hee Lee
- Department of Bio and Environmental Technology, Seoul Women's University, Seoul, Korea
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Saheera S, Potnuri AG, Nair RR. Protective effect of antioxidant Tempol on cardiac stem cells in chronic pressure overload hypertrophy. Life Sci 2019; 222:88-93. [DOI: 10.1016/j.lfs.2019.02.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 02/25/2019] [Accepted: 02/25/2019] [Indexed: 02/07/2023]
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Abstract
SIGNIFICANCE Numerous studies have demonstrated the actions of reactive oxygen species (ROS) as regulators of several physiological processes. In this study, we discuss how redox signaling mechanisms operate to control different processes such as neuronal differentiation, oligodendrocyte differentiation, dendritic growth, and axonal growth. Recent Advances: Redox homeostasis regulates the physiology of neural stem cells (NSCs). Notably, the neuronal differentiation process of NSCs is determined by a change toward oxidative metabolism, increased levels of mitochondrial ROS, increased activity of NADPH oxidase (NOX) enzymes, decreased levels of Nrf2, and differential regulation of different redoxins. Furthermore, during the neuronal maturation processes, NOX and MICAL produce ROS to regulate cytoskeletal dynamics, which control the dendritic and axonal growth, as well as the axonal guidance. CRITICAL ISSUES The redox homeostasis changes are, in part, attributed to cell metabolism and compartmentalized production of ROS, which is regulated, sensed, and transduced by different molecules such as thioredoxins, glutaredoxins, peroxiredoxins, and nucleoredoxin to control different signaling pathways in different subcellular regions. The study of how these elements cooperatively act is essential for the understanding of nervous system development, as well as the application of regenerative therapies that recapitulate these processes. FUTURE DIRECTIONS The information about these topics in the last two decades leads us to the conclusion that the role of ROS signaling in development of the nervous system is more important than it was previously believed and makes clear the importance of exploring in more detail the mechanisms of redox signaling. Antioxid. Redox Signal. 28, 1603-1625.
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Affiliation(s)
- Mauricio Olguín-Albuerne
- División de Neurociencias, Instituto de Fisiología Celular , Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Julio Morán
- División de Neurociencias, Instituto de Fisiología Celular , Universidad Nacional Autónoma de México, Ciudad de México, México
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Lorenz C, Prigione A. Mitochondrial metabolism in early neural fate and its relevance for neuronal disease modeling. Curr Opin Cell Biol 2017; 49:71-76. [DOI: 10.1016/j.ceb.2017.12.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 12/12/2017] [Accepted: 12/13/2017] [Indexed: 01/01/2023]
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17
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Almeida AS, Vieira HLA. Role of Cell Metabolism and Mitochondrial Function During Adult Neurogenesis. Neurochem Res 2016; 42:1787-1794. [DOI: 10.1007/s11064-016-2150-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 12/09/2016] [Accepted: 12/10/2016] [Indexed: 12/15/2022]
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18
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Kobeissy FH, Hansen K, Neumann M, Fu S, Jin K, Liu J. Deciphering the Role of Emx1 in Neurogenesis: A Neuroproteomics Approach. Front Mol Neurosci 2016; 9:98. [PMID: 27799894 PMCID: PMC5065984 DOI: 10.3389/fnmol.2016.00098] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 09/26/2016] [Indexed: 12/18/2022] Open
Abstract
Emx1 has long been implicated in embryonic brain development. Previously we found that mice null of Emx1 gene had smaller dentate gyri and reduced neurogenesis, although the molecular mechanisms underlying this defect was not well understood. To decipher the role of Emx1 gene in neural regeneration and the timing of its involvement, we determine the frequency of neural stem cells (NSCs) in embryonic and adult forebrains of Emx1 wild type (WT) and knock out (KO) mice in the neurosphere assay. Emx1 gene deletion reduced the frequency and self-renewal capacity of NSCs of the embryonic brain but did not affect neuronal or glial differentiation. Emx1 KO NSCs also exhibited a reduced migratory capacity in response to serum or vascular endothelial growth factor (VEGF) in the Boyden chamber migration assay compared to their WT counterparts. A thorough comparison between NSC lysates from Emx1 WT and KO mice utilizing 2D-PAGE coupled with tandem mass spectrometry revealed 38 proteins differentially expressed between genotypes, including the F-actin depolymerization factor Cofilin. A global systems biology and cluster analysis identified several potential mechanisms and cellular pathways implicated in altered neurogenesis, all involving Cofilin1. Protein interaction network maps with functional enrichment analysis further indicated that the differentially expressed proteins participated in neural-specific functions including brain development, axonal guidance, synaptic transmission, neurogenesis, and hippocampal morphology, with VEGF as the upstream regulator intertwined with Cofilin1 and Emx1. Functional validation analysis indicated that apart from the overall reduced level of phosphorylated Cofilin1 (p-Cofilin1) in the Emx1 KO NSCs compared to WT NSCs as demonstrated in the western blot analysis, VEGF was able to induce more Cofilin1 phosphorylation and FLK expression only in the latter. Our results suggest that a defect in Cofilin1 phosphorylation induced by VEGF or other growth factors might contribute to the reduced neurogenesis in the Emx1 null mice during brain development.
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Affiliation(s)
- Firas H Kobeissy
- Department of Psychiatry, Center for Neuroproteomics and Biomarkers Research, University of Florida Gainesville, FL, USA
| | - Katharina Hansen
- Department of Neurological Surgery, University of California, San FranciscoSan Francisco, CA, USA; San Francisco VA Medical CenterSan Francisco, CA, USA
| | - Melanie Neumann
- Department of Neurological Surgery, University of California, San FranciscoSan Francisco, CA, USA; San Francisco VA Medical CenterSan Francisco, CA, USA
| | - Shuping Fu
- Department of Neurological Surgery, University of California, San FranciscoSan Francisco, CA, USA; San Francisco VA Medical CenterSan Francisco, CA, USA; Key Laboratory of Acupuncture and Medicine Research of Minister of Education, Nanjing University of Chinese MedicineNanjing, China
| | - Kulin Jin
- Pharmacology & Neuroscience, University of North Texas Health Science Center Fort Worth, TX, USA
| | - Jialing Liu
- Department of Neurological Surgery, University of California, San FranciscoSan Francisco, CA, USA; San Francisco VA Medical CenterSan Francisco, CA, USA
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Energy Metabolism Plays a Critical Role in Stem Cell Maintenance and Differentiation. Int J Mol Sci 2016; 17:253. [PMID: 26901195 PMCID: PMC4783982 DOI: 10.3390/ijms17020253] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 01/29/2016] [Accepted: 02/15/2016] [Indexed: 12/19/2022] Open
Abstract
Various stem cells gradually turned to be critical players in tissue engineering and regenerative medicine therapies. Current evidence has demonstrated that in addition to growth factors and the extracellular matrix, multiple metabolic pathways definitively provide important signals for stem cell self-renewal and differentiation. In this review, we mainly focus on a detailed overview of stem cell metabolism in vitro. In stem cell metabolic biology, the dynamic balance of each type of stem cell can vary according to the properties of each cell type, and they share some common points. Clearly defining the metabolic flux alterations in stem cells may help to shed light on stemness features and differentiation pathways that control the fate of stem cells.
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Melo-Braga MN, Meyer M, Zeng X, Larsen MR. Characterization of human neural differentiation from pluripotent stem cells using proteomics/PTMomics-Current state-of-the-art and challenges. Proteomics 2015; 15:656-74. [DOI: 10.1002/pmic.201400388] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Revised: 11/11/2014] [Accepted: 11/19/2014] [Indexed: 01/18/2023]
Affiliation(s)
- Marcella Nunes Melo-Braga
- Department of Biochemistry and Molecular Biology; University of Southern Denmark; Odense Denmark
- Center for Clinical Proteomics; University of Southern Denmark; Odense Denmark
| | - Morten Meyer
- Department of Neurobiology Research; Institute of Molecular Medicine; University of Southern Denmark; Odense Denmark
| | | | - Martin Røssel Larsen
- Department of Biochemistry and Molecular Biology; University of Southern Denmark; Odense Denmark
- Center for Clinical Proteomics; University of Southern Denmark; Odense Denmark
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Abstract
Recent studies link changes in energy metabolism with the fate of pluripotent stem cells (PSCs). Safe use of PSC derivatives in regenerative medicine requires an enhanced understanding and control of factors that optimize in vitro reprogramming and differentiation protocols. Relative shifts in metabolism from naïve through "primed" pluripotent states to lineage-directed differentiation place variable demands on mitochondrial biogenesis and function for cell types with distinct energetic and biosynthetic requirements. In this context, mitochondrial respiration, network dynamics, TCA cycle function, and turnover all have the potential to influence reprogramming and differentiation outcomes. Shifts in cellular metabolism affect enzymes that control epigenetic configuration, which impacts chromatin reorganization and gene expression changes during reprogramming and differentiation. Induced PSCs (iPSCs) may have utility for modeling metabolic diseases caused by mutations in mitochondrial DNA, for which few disease models exist. Here, we explore key features of PSC energy metabolism research in mice and man and the impact this work is starting to have on our understanding of early development, disease modeling, and potential therapeutic applications.
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Affiliation(s)
- Tara Teslaa
- Molecular Biology Institute, University of California, Los Angeles, CA, USA
| | - Michael A Teitell
- Molecular Biology Institute, University of California, Los Angeles, CA, USA Department of Pathology and Laboratory Medicine, University of California, Los Angeles, CA, USA Department of Bioengineering, University of California, Los Angeles, CA, USA Department of Pediatrics, University of California, Los Angeles, CA, USA California NanoSystems Institute, University of California, Los Angeles, CA, USA Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA Broad Center of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, CA, USA
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22
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van Dartel DA, Schulpen SH, Theunissen PT, Bunschoten A, Piersma AH, Keijer J. Dynamic changes in energy metabolism upon embryonic stem cell differentiation support developmental toxicant identification. Toxicology 2014; 324:76-87. [DOI: 10.1016/j.tox.2014.07.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 07/24/2014] [Accepted: 07/24/2014] [Indexed: 02/06/2023]
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