1
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Perfetto M, Rondelli CM, Gillis S, Stratman AN, Yien YY. FAM210B is dispensable for erythroid differentiation in adult mice. bioRxiv 2023:2023.09.26.559581. [PMID: 37823037 PMCID: PMC10563458 DOI: 10.1101/2023.09.26.559581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Iron plays a central role in cellular redox processes, but its ability to adopt multiple oxidation states also enables it to catalyze deleterious reactions. The requirement for iron in erythropoiesis has necessitated the evolution of mechanisms with which to handle the iron required for hemoglobinization. FAM210B was identified as a regulator of mitochondrial iron import and heme synthesis in erythroid cell culture and zebrafish models. In this manuscript, we demonstrate that while FAM210B is required for erythroid differentiation and heme synthesis under standard cell culture conditions, holotransferrin supplementation was sufficient to chemically complement the iron-deficient phenotype. As the biology of FAM210B is complex and context specific, and whole-organism studies on FAM210 proteins have been limited, we sought to unravel the role of FAM210B in erythropoiesis using knockout mice. We were surprised to discover that Fam210b -/- mice were viable and the adults did not have erythropoietic defects in the bone marrow. In contrast to studies in C. elegans, Fam210b -/- mice were also fertile. There were some modest phenotypes, such as a slight increase in lymphocytes and white cell count in Fam210b -/- females, as well as an increase in body weight in Fam210b -/- males. However, our findings suggest that FAM210B may play a more important role in cellular iron homeostasis under iron deficient conditions. Here, we will discuss the cell culture conditions used in iron metabolism studies that can account for the disparate finding on FAM210B function. Moving forward, resolving these discrepancies will be important in identifying novel iron homeostasis genes.
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2
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Chandrasekera P, Perfetto M, Lu C, Zhuo M, Bahudhanapati H, Li J, Chen WC, Kulkarni P, Christian L, Liu J, Yien YY, Yu C, Wei S. Metalloprotease ADAM9 cleaves ephrin-B ligands and differentially regulates Wnt and mTOR signaling downstream of Akt kinase in colorectal cancer cells. J Biol Chem 2022; 298:102225. [PMID: 35780836 PMCID: PMC9358476 DOI: 10.1016/j.jbc.2022.102225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 06/13/2022] [Accepted: 06/21/2022] [Indexed: 12/02/2022] Open
Abstract
Ephrin-B signaling has been implicated in many normal and pathological processes, including neural crest development and tumor metastasis. We showed previously that proteolysis of ephrin-B ligands by the disintegrin metalloprotease ADAM13 is necessary for canonical Wnt signal activation and neural crest induction in Xenopus, but it was unclear if these mechanisms are conserved in mammals. Here, we report that mammalian ADAM9 cleaves ephrin-B1 and ephrin-B2 and can substitute for Xenopus ADAM13 to induce the neural crest. We found that ADAM9 expression is elevated in human colorectal cancer (CRC) tissues and that knockdown (KD) of ADAM9 inhibits the migration and invasion of SW620 and HCT116 CRC cells by reducing the activity of Akt kinase, which is antagonized by ephrin-Bs. Akt is a signaling node that activates multiple downstream pathways, including the Wnt and mTOR pathways, both of which can promote CRC cell migration/invasion. Surprisingly, we also found that KD of ADAM9 downregulates Wnt signaling but has negligible effects on mTOR signaling in SW620 cells; in contrast, mTOR activity is suppressed while Wnt signaling remains unaffected by ADAM9 KD in HCT116 cells. These results suggest that mammalian ADAM9 cleaves ephrin-Bs to derepress Akt and promote CRC migration and invasion; however, the signaling pathways downstream of Akt are differentially regulated by ADAM9 in different CRC cell lines, reflecting the heterogeneity of CRC cells in responding to manipulations of upstream Akt regulators.
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Affiliation(s)
| | - Mark Perfetto
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA; Department of Biology, West Virginia University, Morgantown, West Virginia, USA; Pittsburgh Heart, Lung and Blood Vascular Medicine Institute and Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Congyu Lu
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Minghui Zhuo
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | | | - Jiejing Li
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA; Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming, China
| | - Wei-Chih Chen
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Pallavi Kulkarni
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Laura Christian
- Department of Biology, West Virginia University, Morgantown, West Virginia, USA
| | - Jun Liu
- Department of Biochemistry and Cancer Institute, West Virginia University School of Medicine, Morgantown, West Virginia, USA
| | - Yvette Y Yien
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA; Pittsburgh Heart, Lung and Blood Vascular Medicine Institute and Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Chundong Yu
- State Key Laboratory of Cellular Stress Biology, Innovation Center for Cell Biology, School of Life Sciences, Xiamen University, Xiamen, China
| | - Shuo Wei
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA.
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3
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Yien YY, Perfetto M. Regulation of Heme Synthesis by Mitochondrial Homeostasis Proteins. Front Cell Dev Biol 2022; 10:895521. [PMID: 35832791 PMCID: PMC9272004 DOI: 10.3389/fcell.2022.895521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 05/12/2022] [Indexed: 11/19/2022] Open
Abstract
Heme plays a central role in diverse, life-essential processes that range from ubiquitous, housekeeping pathways such as respiration, to highly cell-specific ones such as oxygen transport by hemoglobin. The regulation of heme synthesis and its utilization is highly regulated and cell-specific. In this review, we have attempted to describe how the heme synthesis machinery is regulated by mitochondrial homeostasis as a means of coupling heme synthesis to its utilization and to the metabolic requirements of the cell. We have focused on discussing the regulation of mitochondrial heme synthesis enzymes by housekeeping proteins, transport of heme intermediates, and regulation of heme synthesis by macromolecular complex formation and mitochondrial metabolism. Recently discovered mechanisms are discussed in the context of the model organisms in which they were identified, while more established work is discussed in light of technological advancements.
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Rondelli CM, Perfetto M, Danoff A, Bergonia H, Gillis S, O'Neill L, Jackson L, Nicolas G, Puy H, West R, Phillips JD, Yien YY. The ubiquitous mitochondrial protein unfoldase CLPX regulates erythroid heme synthesis by control of iron utilization and heme synthesis enzyme activation and turnover. J Biol Chem 2021; 297:100972. [PMID: 34280433 PMCID: PMC8361296 DOI: 10.1016/j.jbc.2021.100972] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 07/13/2021] [Accepted: 07/15/2021] [Indexed: 11/19/2022] Open
Abstract
Heme plays a critical role in catalyzing life-essential redox reactions in all cells, and its synthesis must be tightly balanced with cellular requirements. Heme synthesis in eukaryotes is tightly regulated by the mitochondrial AAA+ unfoldase CLPX (caseinolytic mitochondrial matrix peptidase chaperone subunit X), which promotes heme synthesis by activation of δ-aminolevulinate synthase (ALAS/Hem1) in yeast and regulates turnover of ALAS1 in human cells. However, the specific mechanisms by which CLPX regulates heme synthesis are unclear. In this study, we interrogated the mechanisms by which CLPX regulates heme synthesis in erythroid cells. Quantitation of enzyme activity and protein degradation showed that ALAS2 stability and activity were both increased in the absence of CLPX, suggesting that CLPX primarily regulates ALAS2 by control of its turnover, rather than its activation. However, we also showed that CLPX is required for PPOX (protoporphyrinogen IX oxidase) activity and maintenance of FECH (ferrochelatase) levels, which are the terminal enzymes in heme synthesis, likely accounting for the heme deficiency and porphyrin accumulation observed in Clpx−/− cells. Lastly, CLPX is required for iron utilization for hemoglobin synthesis during erythroid differentiation. Collectively, our data show that the role of CLPX in yeast ALAS/Hem1 activation is not conserved in vertebrates as vertebrates rely on CLPX to regulate ALAS turnover as well as PPOX and FECH activity. Our studies reveal that CLPX mutations may cause anemia and porphyria via dysregulation of ALAS, FECH, and PPOX activities, as well as of iron metabolism.
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Affiliation(s)
- Catherine M Rondelli
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Mark Perfetto
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA; Pittsburgh Heart, Lung and Blood Vascular Medicine Institute and Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Aidan Danoff
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Hector Bergonia
- Division of Hematology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Samantha Gillis
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Leah O'Neill
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA
| | - Laurie Jackson
- Division of Hematology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Gael Nicolas
- Centre de Recherche sur l'inflammation, Université Paris Diderot, Site Bichat, Sorbonne Paris Cité, Paris, France
| | - Herve Puy
- Centre de Recherche sur l'inflammation, Université Paris Diderot, Site Bichat, Sorbonne Paris Cité, Paris, France; Centre Français des Porphyries, Hôpital Louis Mourier, APHP, Colombes, France
| | - Richard West
- Delaware Biotechnology Institute, University of Delaware, Newark, Delaware, USA
| | - John D Phillips
- Division of Hematology, University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - Yvette Y Yien
- Department of Biological Sciences, University of Delaware, Newark, Delaware, USA; Pittsburgh Heart, Lung and Blood Vascular Medicine Institute and Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
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5
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Perfetto M, Xu X, Lu C, Shi Y, Yousaf N, Li J, Yien YY, Wei S. The RNA helicase DDX3 induces neural crest by promoting AKT activity. Development 2021; 148:dev.184341. [PMID: 33318149 DOI: 10.1242/dev.184341] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 12/02/2020] [Indexed: 01/02/2023]
Abstract
Mutations in the RNA helicase DDX3 have emerged as a frequent cause of intellectual disability in humans. Because many individuals carrying DDX3 mutations have additional defects in craniofacial structures and other tissues containing neural crest (NC)-derived cells, we hypothesized that DDX3 is also important for NC development. Using Xenopus tropicalis as a model, we show that DDX3 is required for normal NC induction and craniofacial morphogenesis by regulating AKT kinase activity. Depletion of DDX3 decreases AKT activity and AKT-dependent inhibitory phosphorylation of GSK3β, leading to reduced levels of β-catenin and Snai1: two GSK3β substrates that are crucial for NC induction. DDX3 function in regulating these downstream signaling events during NC induction is likely mediated by RAC1, a small GTPase whose translation depends on the RNA helicase activity of DDX3. These results suggest an evolutionarily conserved role of DDX3 in NC development by promoting AKT activity, and provide a potential mechanism for the NC-related birth defects displayed by individuals harboring mutations in DDX3 and its downstream effectors in this signaling cascade.
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Affiliation(s)
- Mark Perfetto
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA.,Department of Biology, West Virginia University, Morgantown, WV 26506, USA
| | - Xiaolu Xu
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Congyu Lu
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Yu Shi
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Natasha Yousaf
- Department of Biology, West Virginia University, Morgantown, WV 26506, USA
| | - Jiejing Li
- Department of Biology, West Virginia University, Morgantown, WV 26506, USA.,Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China
| | - Yvette Y Yien
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Shuo Wei
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
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6
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Perfetto M, Kirkham SG, Ayers MC, Wei S, Gallagher JEG. 4-Methylcyclohexane methanol (MCHM) affects viability, development, and movement of Xenopus embryos. Toxicol Rep 2021; 8:38-43. [PMID: 33391995 PMCID: PMC7772722 DOI: 10.1016/j.toxrep.2020.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/17/2020] [Accepted: 12/10/2020] [Indexed: 10/26/2022] Open
Abstract
Following chemical spill disasters, it is important to estimate the effects of spilled chemicals on humans and the environment. Here we analyzed the toxicological effects of the coal cleaning chemical, 4-methylcyclohexane methanol (MCHM), which was spilled into the Elk River water supply in 2014. The viability of HEK293 T human cell line cultures and Xenopus tropicalis embryos was negatively affected, and the addition of the antioxidants alleviated toxicity with MCHM exposure. Additionally, X. tropicalis embryos suffered developmental defects as well as reversible non-responsiveness and melanization defects. The impact MCHM has on HEK293 T cells and X. tropicalis points to the importance of continued follow-up studies of this chemical.
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Affiliation(s)
- Mark Perfetto
- Department of Biology, 53 Campus Drive, University of West Virginia, Morgantown, WV, 26506, USA.,Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Scotia G Kirkham
- Department of Biology, 53 Campus Drive, University of West Virginia, Morgantown, WV, 26506, USA
| | - Michael C Ayers
- Department of Biology, 53 Campus Drive, University of West Virginia, Morgantown, WV, 26506, USA
| | - Shuo Wei
- Department of Biology, 53 Campus Drive, University of West Virginia, Morgantown, WV, 26506, USA.,Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Jennifer E G Gallagher
- Department of Biology, 53 Campus Drive, University of West Virginia, Morgantown, WV, 26506, USA
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7
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Li J, Perfetto M, Materna C, Li R, Thi Tran H, Vleminckx K, Duncan MK, Wei S. A new transgenic reporter line reveals Wnt-dependent Snai2 re-expression and cranial neural crest differentiation in Xenopus. Sci Rep 2019; 9:11191. [PMID: 31371771 PMCID: PMC6672020 DOI: 10.1038/s41598-019-47665-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 07/19/2019] [Indexed: 02/06/2023] Open
Abstract
During vertebrate embryogenesis, the cranial neural crest (CNC) forms at the neural plate border and subsequently migrates and differentiates into many types of cells. The transcription factor Snai2, which is induced by canonical Wnt signaling to be expressed in the early CNC, is pivotal for CNC induction and migration in Xenopus. However, snai2 expression is silenced during CNC migration, and its roles at later developmental stages remain unclear. We generated a transgenic X. tropicalis line that expresses enhanced green fluorescent protein (eGFP) driven by the snai2 promoter/enhancer, and observed eGFP expression not only in the pre-migratory and migrating CNC, but also the differentiating CNC. This transgenic line can be used directly to detect deficiencies in CNC development at various stages, including subtle perturbation of CNC differentiation. In situ hybridization and immunohistochemistry confirm that Snai2 is re-expressed in the differentiating CNC. Using a separate transgenic Wnt reporter line, we show that canonical Wnt signaling is also active in the differentiating CNC. Blocking Wnt signaling shortly after CNC migration causes reduced snai2 expression and impaired differentiation of CNC-derived head cartilage structures. These results suggest that Wnt signaling is required for snai2 re-expression and CNC differentiation.
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Affiliation(s)
- Jiejing Li
- Department of Biology, West Virginia University, Morgantown, WV, 26506, USA.,Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming, 650032, China
| | - Mark Perfetto
- Department of Biology, West Virginia University, Morgantown, WV, 26506, USA.,Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Christopher Materna
- Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Rebecca Li
- Brown University, Providence, RI, 02912, USA
| | - Hong Thi Tran
- Department for Molecular Biomedical Research and Center for Medical Genetics, Ghent University, B-9052, Ghent, Belgium
| | - Kris Vleminckx
- Department for Molecular Biomedical Research and Center for Medical Genetics, Ghent University, B-9052, Ghent, Belgium
| | - Melinda K Duncan
- Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA
| | - Shuo Wei
- Department of Biological Sciences, University of Delaware, Newark, DE, 19716, USA.
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Li J, Perfetto M, Neuner R, Bahudhanapati H, Christian L, Mathavan K, Bridges LC, Alfandari D, Wei S. Xenopus ADAM19 regulates Wnt signaling and neural crest specification by stabilizing ADAM13. Development 2018. [PMID: 29540504 DOI: 10.1242/dev.158154] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
During vertebrate gastrulation, canonical Wnt signaling induces the formation of neural plate border (NPB). Wnt is also thought to be required for the subsequent specification of neural crest (NC) lineage at the NPB, but the direct evidence is lacking. We found previously that the disintegrin metalloproteinase ADAM13 is required for Wnt activation and NC induction in Xenopus Here, we report that knockdown of ADAM13 or its close paralog ADAM19 severely downregulates Wnt activity at the NPB, inhibiting NC specification without affecting earlier NPB formation. Surprisingly, ADAM19 functions nonproteolytically in NC specification by interacting with ADAM13 and inhibiting its proteasomal degradation. Ectopic expression of stabilized ADAM13 mutants that function independently of ADAM19 can induce the NC marker/specifier snail2 in the future epidermis via Wnt signaling. These results unveil the essential roles of a novel protease-protease interaction in regulating a distinct wave of Wnt signaling, which directly specifies the NC lineage.
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Affiliation(s)
- Jiejing Li
- Department of Biology, West Virginia University, Morgantown, WV 26506, USA.,Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China
| | - Mark Perfetto
- Department of Biology, West Virginia University, Morgantown, WV 26506, USA.,Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
| | - Russell Neuner
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA 01003, USA
| | | | - Laura Christian
- Department of Biology, West Virginia University, Morgantown, WV 26506, USA
| | - Ketan Mathavan
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA 01003, USA
| | - Lance C Bridges
- Biochemistry, Molecular and Cell Sciences, Arkansas College of Osteopathic Medicine, Arkansas Colleges of Health Education, Fort Smith, AR 72916, USA
| | - Dominique Alfandari
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA 01003, USA
| | - Shuo Wei
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA
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Makhija A, Li J, Perfetto M, Wang J, Shah A, Tran HT, Vleminckx K, Wei S. A new transgenic Xenopus reporter line reveals dynamic expression of snail2 during cranial neural crest development. FASEB J 2018. [DOI: 10.1096/fasebj.2018.32.1_supplement.778.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Mark Perfetto
- Biological SciencesUniversity of DelawareNewarkDE
- West Virginia UniversityMorgantownVA
| | - Jian Wang
- Biological SciencesUniversity of DelawareNewarkDE
| | | | - Hong Thi Tran
- Department of Biomedical Molecular BiologyGhent UniversityGhentBelgium
- Department for Molecular Biomedical ResearchFlanders Institute for Biotechnology (VIB)GhentBelgium
| | - Kris Vleminckx
- Department of Biomedical Molecular BiologyGhent UniversityGhentBelgium
- Department for Molecular Biomedical ResearchFlanders Institute for Biotechnology (VIB)GhentBelgium
| | - Shuo Wei
- Biological SciencesUniversity of DelawareNewarkDE
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10
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Perfetto M, Li J, Wei S. DDX3 induces neural crest through activation of an Akt‐Wnt signaling axis. FASEB J 2018. [DOI: 10.1096/fasebj.2018.32.1_supplement.533.22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mark Perfetto
- Biological SciencesUniversity of DelawareNewarkDE
- BiologyWest Virginia UniversityMorgantownWV
| | - Jiejing Li
- BiologyWest Virginia UniversityMorgantownWV
- Department of Clinical LaboratoryKunming University of Science and TechnologyKunmingPeople's Republic of China
| | - Shuo Wei
- Biological SciencesUniversity of DelawareNewarkDE
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11
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Li J, Qu J, Shi Y, Perfetto M, Ping Z, Christian L, Niu H, Mei S, Zhang Q, Yang X, Wei S. Nicotinic acid inhibits glioma invasion by facilitating Snail1 degradation. Sci Rep 2017; 7:43173. [PMID: 28256591 PMCID: PMC5335718 DOI: 10.1038/srep43173] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 01/23/2017] [Indexed: 01/22/2023] Open
Abstract
Malignant glioma is a formidable disease that commonly leads to death, mainly due to the invasion of tumor cells into neighboring tissues. Therefore, inhibition of tumor cell invasion may provide an effective therapy for malignant glioma. Here we report that nicotinic acid (NA), an essential vitamin, inhibits glioma cell invasion in vitro and in vivo. Treatment of the U251 glioma cells with NA in vitro results in reduced invasion, which is accompanied by a loss of mesenchymal phenotype and an increase in cell-cell adhesion. At the molecular level, transcription of the adherens junction protein E-cadherin is upregulated, leading to accumulation of E-cadherin protein at the cell-cell boundary. This can be attributed to NA's ability to facilitate the ubiquitination and degradation of Snail1, a transcription factor that represses E-cadherin expression. Similarly, NA transiently inhibits neural crest migration in Xenopus embryos in a Snail1-dependent manner, indicating that the mechanism of action for NA in cell migration is evolutionarily conserved. We further show that NA injection blocks the infiltration of tumor cells into the adjacent brain tissues and improves animal survival in a rat model of glioma. These results suggest that NA treatment may be developed into a potential therapy for malignant glioma.
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Affiliation(s)
- Jiejing Li
- Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China.,Department of Biology, West Virginia University, Morgantown, WV 26506, United States
| | - Jiagui Qu
- Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China
| | - Yu Shi
- Department of Clinical Laboratory, Children's Hospital of Chongqing Medical University, Chongqing 400014, China.,Ministry of Education Key Laboratory of Child Development and Disorders; Chongqing Key Laboratory of Pediatrics; Chongqing Key Laboratory of Translational Medical Research in Cognitive Development and Learning and Memory Disorders, Chongqing 400014, China
| | - Mark Perfetto
- Department of Biology, West Virginia University, Morgantown, WV 26506, United States.,Department of Biological Sciences, University of Delaware, Newark, DE 19716, United States
| | - Zhuxian Ping
- Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China
| | - Laura Christian
- Department of Biology, West Virginia University, Morgantown, WV 26506, United States
| | - Hua Niu
- Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China
| | - Shuting Mei
- Department of Gerontology, First People's Hospital of Yunnan Province, Kunming 650032, China
| | - Qin Zhang
- Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China
| | - Xiangcai Yang
- Department of Clinical Laboratory, The Affiliated Hospital of KMUST, Medical School, Kunming University of Science and Technology, Kunming 650032, China
| | - Shuo Wei
- Department of Biology, West Virginia University, Morgantown, WV 26506, United States.,Department of Biological Sciences, University of Delaware, Newark, DE 19716, United States
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12
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Li JJ, Perfetto M, Wei S. To cleave or not to cleave: the proteolytic and non‐proteolytic functions of ADAMs in neural crest induction (609.11). FASEB J 2014. [DOI: 10.1096/fasebj.28.1_supplement.609.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jie Jing Li
- Biology West Virginia UniversityMorgantownWVUnited States
| | - Mark Perfetto
- Biology West Virginia UniversityMorgantownWVUnited States
| | - Shuo Wei
- Biology West Virginia UniversityMorgantownWVUnited States
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13
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Sterzel RB, Lovett DH, Foellmer HG, Perfetto M, Biemesderfer D, Kashgarian M. Mesangial cell hillocks. Nodular foci of exaggerated growth of cells and matrix in prolonged culture. Am J Pathol 1986; 125:130-40. [PMID: 3535527 PMCID: PMC1888434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
To examine the capability of glomerular mesangial cells (MCs) to produce extracellular matrix, the authors studied MCs in culture by light and electron microscopy as well as immunocytochemistry. MCs were obtained from isolated rat glomeruli and maintained up to 12 weeks in medium containing 20% fetal calf serum. MC outgrowth of primary culture and of up to three subcultures showed characteristic organization consisting of bands of elongated or stellate intertwined cells. After confluency at 10-16 days, MCs continued to grow in irregular multilayers. MCs produced extracellular matrix material within 2-4 days after plating, and large amounts of matrix accumulated with time. By 2-3 weeks, foci of exaggerated MC proliferation, matrix secretion, and necrotic cell debris formed nodular protrusions, which gradually produced large hillocks. Immunocytochemical studies of MC outgrowths were performed on culture plates or on sectioned material with the use of specific rabbit polyclonal antibodies to isolated matrix proteins and FITC-conjugated, affinity-purified second antibodies. Within 3 days of culture, MCs elaborated fibronectin and collagen Types I, III, IV, and V. With time, strands of matrix, notably in the central mass of hillocks, stained extensively for these constituents. Staining for laminin was less pronounced. Smooth muscle cell myosin was regularly found on distinct intracellular fibrils and in the extracellular material of hillocks. Electron microscopy revealed the hillocks to be composed of elongated cells on the surface and stellate cells intermingled with matrix and necrotic cell debris in the core. The results show that proliferating MCs can be maintained in homogeneous culture for a prolonged time period. MCs produce large amounts of the extracellular matrix proteins (Type IV and V collagen, fibronectin, laminin), which are found in normal glomeruli. Cultured MCs also produce interstitial collagen Types I and III. MC hillocks show the nodular accumulation of matrix similar to that seen in the mesangium of diseased glomeruli. It is concluded that the in vitro model of prolonged MC outgrowth may facilitate the investigation of factors that govern mesangial matrix production. Such a model could be used in examining the response of the mesangium to defined inflammatory or metabolic stimuli.
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Wilcox CS, Sterzel RB, Dunckel PT, Mohrmann M, Perfetto M. Renal interstitial pressure and sodium excretion during hilar lymphatic ligation. Am J Physiol 1984; 247:F344-51. [PMID: 6465326 DOI: 10.1152/ajprenal.1984.247.2.f344] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Because lymphatic vessels drain the cortical interstitium of the kidney, lymphatic drainage might modulate cortical interstitial pressure and tubular Na+ reabsorption. We investigated the effects of short-term hilar lymph duct ligation in the rat on renal interstitial hydraulic pressure (assessed from subcapsular pressure), tubular Na+ reabsorption, and renal hemodynamics in the basal state and during volume expansion with saline. Subcapsular pressure was higher in lymphatic-ligated than in sham-operated kidneys both in the basal state (5.9 +/- 0.3 vs. 2.1 +/- 0.3 mmHg) and during short-term volume expansion (8.4 +/- 0.7 vs. 3.5 +/- 0.3). Compared with contralateral control kidneys, lymphatic ligation increased the basal urine flow (V) (1.76 +/- 0.2 vs. 1.18 +/- 0.2 microliter X min-1 X 100 g-1) and urinary Na+ excretion (UNaV) (0.10 +/- 0.03 vs. 0.05 +/- 0.02 mumol X min-1 X 100 g-1), but urea excretion, osmolar clearance, glomerular filtration rate, renal plasma flow, and filtration fraction were unchanged. The increases in V and UNaV with lymphatic ligation were not seen in salt-depleted rats but both were augmented by short-term volume expansion with saline. Sympathetic activation and inhibition by carotid occlusion and ganglionic blockade, respectively, elicited the same changes in vascular resistance in lymphatic-ligated and control kidneys. In conclusion, 1) lymphatic drainage is required to maintain a low renal cortical interstitial hydraulic pressure; 2) lymphatic ligation decreases Na+ and fluid reabsorption; 3) the natriuretic and diuretic effects of lymphatic ligation are not due to major changes in renal innervation or renal hemodynamics or to changes in osmolar or urea excretion but depend on the degree of extracellular fluid volume expansion.
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Pepitone A, Maderna A, Caforicci E, Tiberi E, Iacono G, Majo GD, Perfetto M, Asprea A, Villone G, Fua G, Tonucci F. Justice in Choice Behavior: A Cross-Cultural Analysis. International Journal of Psychology 1970. [DOI: 10.1080/00207597008247285] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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