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Bartmański M, Pawłowski Ł, Knabe A, Mania S, Banach-Kopeć A, Sakowicz-Burkiewicz M, Ronowska A. The Effect of Marginal Zn 2+ Excess Released from Titanium Coating on Differentiation of Human Osteoblastic Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:48412-48427. [PMID: 39213619 DOI: 10.1021/acsami.4c13529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Composite coatings based on chitosan and zinc nanoparticles (ZnNPs) were successfully produced on Ti13Zr13Nb substrates by cathodic electrophoretic deposition (EPD). The unfavorable phenomenon of water electrolysis-induced nonuniformity was reduced by applying a low voltage (20 V) and a short deposition time (1 min). Surface analysis (roughness and hydrophilicity) reveals the potential of these coatings for enhancing cell attachment and bone-implant integration. However, there is a concern about adhesion and strength; therefore, incorporating ZnNPs shows promise for enhancing mechanical properties, suggesting opportunities for further optimization of the process. The aim of this work was to investigate whether Zn2+ released from coating yields overt cellular impairment. hFOB1.19 osteoblastic cells were used as a model in this study. A subtoxic, 0.125 mmol/L, Zn concentration did not cause significant negative changes in cultured osteoblastic cells, as there was no significant change in their viability and their mitochondrial metabolism. Moreover, the alkaline phosphatase and lactate dehydrogenase activities were aggravated. However, a high, over 0.175 mmol/L, Zn2+ concentration caused total cell death. This was caused by the inhibition of mitochondrial enzymes' activities. Our data indicate that composite coatings releasing Zn2+ may be used as the differentiating factor toward osteoblastic cells.
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Affiliation(s)
- Michał Bartmański
- Department of Biomaterials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Łukasz Pawłowski
- Department of Biomaterials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Agata Knabe
- Department of Biomaterials Technology, Faculty of Mechanical Engineering and Ship Technology, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Szymon Mania
- Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Adrianna Banach-Kopeć
- Department of Chemistry, Technology and Biotechnology of Food, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | | | - Anna Ronowska
- Department of Laboratory Medicine, Medical University of Gdańsk,80-211 Gdańsk, Poland
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Mao M, Chen J, Liu F, Kong L, Han Y, Zhang L. Reduced corrosion of Zn alloy by HA nanorods for enhancing early bone regeneration. Biomater Sci 2024; 12:1055-1068. [PMID: 38226492 DOI: 10.1039/d3bm01690k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Zinc alloys have emerged as promising materials for bone regeneration due to their moderate biodegradation rates. However, the blast release of Zn2+ from Zn alloy substrates affects cell behaviors and the subsequent osseointegration quality, retarding their early service performance. To address this issue, extracellular matrix-like hydroxyapatite (HA) nanorods were prepared on Zn-1Ca (ZN) by a combined hydrothermal treatment (HT). HA nanoclusters nucleate on the presetting ZnO layer and grow into nanorods with prolonged HT. HA nanorods protect the ZN substrate from serious corrosion and the corrosion rate is reduced by dozens of times compared with the bare ZN, resulting in a significantly decreased release of Zn2+ ions. The synergistic effect of HA nanorods and appropriate Zn2+ endow ZN implants with obviously improved behaviors of osteoblasts and endothelial cells (e.g. adhesion, proliferation and differentiation) in vitro and new bone formation in vivo. Our work opens up a promising avenue for Zn-based alloys to improve bone regeneration in clinics.
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Affiliation(s)
- Mengting Mao
- State-Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Jun Chen
- Department of Osteology, Xi'an People's Hospital (Xi'an No. 4 Hospital), Xi'an 710100, China
| | - Fuwei Liu
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, China
| | - Liang Kong
- State Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, School of Stomatology, Fourth Military Medical University, China
| | - Yong Han
- State-Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
- Bioinspired Engineering and Biomechanics Center, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Lan Zhang
- State-Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
- National Center for Translational Medicine (Shanghai) SHU Branch, Shanghai University, 200444, Shanghai, China
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Li J, Zheng Y, Yu Z, Kankala RK, Lin Q, Shi J, Chen C, Luo K, Chen A, Zhong Q. Surface-modified titanium and titanium-based alloys for improved osteogenesis: A critical review. Heliyon 2024; 10:e23779. [PMID: 38223705 PMCID: PMC10784177 DOI: 10.1016/j.heliyon.2023.e23779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 12/05/2023] [Accepted: 12/13/2023] [Indexed: 01/16/2024] Open
Abstract
As implantable materials, titanium, and its alloys have garnered enormous interest from researchers for dental and orthopedic procedures. Despite their success in wide clinical applications, titanium, and its alloys fail to stimulate osteogenesis, resulting in poor bonding strength with surrounding bone tissue. Optimizing the surface topology and altered compositions of titanium and titanium-based alloys substantially promotes peri-implant bone regeneration. This review summarizes the utilization and importance of various osteogenesis components loaded onto titanium and its alloys. Further, different surface-modification methods and the release efficacy of loaded substances are emphasized. Finally, we summarize the article with prospects. We believe that further investigation studies must focus on identifying novel loading components, exploring various innovative, optimized surface-modification methods, and developing a sustained-release system on implant surfaces to improve peri-implant bone formation.
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Affiliation(s)
- Jingling Li
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
| | - Yaxin Zheng
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
| | - Zihe Yu
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
| | - Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, China
| | - Qianying Lin
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
| | - Jingbo Shi
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
| | - Chao Chen
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
| | - Kai Luo
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
| | - Aizheng Chen
- Institute of Biomaterials and Tissue Engineering, Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, 361021, China
| | - Quan Zhong
- Fujian Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Laboratory of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
- Institute of Stomatology & Laboratory of Oral Tissue Engineering, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350002, China
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Gao J, Gao Y, Xiao G. The expression of Catsup in escort cells affects Drosophila ovarian stem cell niche establishment and germline stem cells self-renewal via Notch signaling. Biochem Biophys Res Commun 2023; 641:1-9. [PMID: 36516479 DOI: 10.1016/j.bbrc.2022.11.101] [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: 11/20/2022] [Accepted: 11/30/2022] [Indexed: 12/07/2022]
Abstract
Stem cell niche provides extrinsic signals to maintain stem cell renewal or initiate cell differentiation. Drosophila niche is composed of somatic terminal filament cells, cap cells and escort cells. However, the underlying mechanism for the development of stem cell niche remains largely unclear. Here we found that the expression of a zinc transporter Catsup is essential for ovary morphogenesis. Catsup knockdown in escort cells results in defects of niche establishment and germline stem cells self-renewal. These defects could be modified by altered expression of genes involved in zinc metabolism or intervention of dietary zinc levels. Further studies indicated that Catsup RNAi affected adult ovary morphogenesis by suppressing Notch signaling. Lastly, we demonstrated that the defects of Catsup RNAi could be restored by overexpression of heat shock cognate protein 70 (Hsc70). These findings expand our understanding of the mechanisms controlling adult oogenesis and niche establishment in Drosophila.
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Affiliation(s)
- Jiajia Gao
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, 230009, China; Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Yan Gao
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, 230009, China; Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Guiran Xiao
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, 230009, China; Key Laboratory of Metabolism and Regulation for Major Diseases of Anhui Higher Education Institutes, School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.
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Xing Y, Zhong X, Chen Z, Liu Q. Optimized osteogenesis of biological hydroxyapatite-based bone grafting materials by ion doping and osteoimmunomodulation. Biomed Mater Eng 2022; 34:195-213. [DOI: 10.3233/bme-221437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: Biological hydroxyapatite (BHA)-based bone grafting materials have been widely used for bone regeneration in implant surgery. Much effort has been made in the improvement of their osteogenic property as it remains unsatisfactory for clinical use. Osteoimmunomodulation plays a significant role in bone regeneration, which is highly related to active inorganic ions. Therefore, attempts have been made to obtain osteoimmunomodulatory BHA-based bone grafting materials with optimized osteogenic property by ion doping. OBJECTIVE: To summarize and discuss the active inorganic ions doped into BHA and their effects on BHA-based bone grafting materials. METHOD: A literature search was performed in databases including Google Scholar, Web of Science and PubMed, with the elementary keywords of “ion doped” and “biological hydroxyapatite”, as well as several supplementary keywords. All document types were included in this search. The searching period and language were not limited and kept updated to 2022. RESULTS: A total of 32 articles were finally included, of which 32 discussed the physiochemical properties of BHA-based biomaterials, while 12 investigated their biological features in vitro, and only three examined their biological performance in vivo. Various ions were doped into BHA, including fluoride, zinc, magnesium and lithium. Such ions improved the biological performance of BHA-based biomaterials, which was attributed to their osteoimmunomodulatory effect. CONCLUSION: The doping of active inorganic ions is a reliable strategy to endow BHA-based biomaterials with osteoimmunomodulatory property and promote bone regeneration. Further studies are still in need to explore more ions and their effects in the crosstalk between the skeletal and immune systems.
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Affiliation(s)
| | | | | | - Quan Liu
- , Sun Yat-sen University, , China
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6
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Xia Z, Bi X, Yang S, Yang X, Song Z, Wei J, Xu P, Rink L, Min J, Wang F. Metal transporter Slc30a1 controls pharyngeal neural crest differentiation via the zinc-Snai2-Jag1 cascade. MedComm (Beijing) 2021; 2:778-797. [PMID: 34977877 PMCID: PMC8706747 DOI: 10.1002/mco2.91] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/23/2021] [Accepted: 08/25/2021] [Indexed: 02/07/2023] Open
Abstract
The pharyngeal arch (PA) is a neural crest (NC)-derived organ that is transiently developed during embryogenesis and is required for the subsequent development of various tissues. However, the role of zinc during PA differentiation from NC progenitor cells is unknown. Here, we found that the metal transporters Slc30a1a and Slc30a1b mediate zinc homeostasis during PA differentiation. Slc30a1-deficient zebrafish develop zinc accumulation in NC cells, with increased expression of stemness markers and PA dorsal genes, and SMART-seq analyses revealed that the genes snai2 and jag1b may serve as downstream targets. Furthermore, functional studies showed that knocking down either snai2 or jag1b rescues PA development in Slc30a1-deficient zebrafish. Notably, we identified the double zinc-finger domain in the transcription factor Snai2 as a zinc-responsive element that regulates jag1b expression. Our findings indicate that the Slc30a1/zinc-snai2-jag1b axis is an essential regulatory network controlling PA differentiation, shedding new light on the function of zinc homeostasis in maintaining NC cell stemness and multipotency in vertebrates.
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Affiliation(s)
- Zhidan Xia
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
| | - Xinying Bi
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
- The First Affiliated HospitalHengyang Medical SchoolUniversity of South ChinaHengyangChina
| | - Sisi Yang
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
| | - Xiu Yang
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
| | - Zijun Song
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
| | - Jiayu Wei
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
| | - Pengfei Xu
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
| | - Lothar Rink
- Faculty of MedicineInstitute of ImmunologyRWTH Aachen UniversityAachenGermany
| | - Junxia Min
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
| | - Fudi Wang
- The First Affiliated HospitalSchool of Public HealthInstitute of Translational MedicineInstitute of GeneticsZhejiang University School of MedicineHangzhouChina
- The First Affiliated HospitalHengyang Medical SchoolUniversity of South ChinaHengyangChina
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7
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Zhang J, Jiang Y, Shang Z, Zhao B, Jiao M, Liu W, Cheng M, Zhai B, Guo Y, Liu B, Shi X, Ma B. Biodegradable metals for bone defect repair: A systematic review and meta-analysis based on animal studies. Bioact Mater 2021; 6:4027-4052. [PMID: 33997491 PMCID: PMC8089787 DOI: 10.1016/j.bioactmat.2021.03.035] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 03/24/2021] [Accepted: 03/24/2021] [Indexed: 12/18/2022] Open
Abstract
Biodegradable metals are promising candidates for bone defect repair. With an evidence-based approach, this study investigated and analyzed the performance and degradation properties of biodegradable metals in animal models for bone defect repair to explore their potential clinical translation. Animal studies on bone defect repair with biodegradable metals in comparison with other traditional biomaterials were reviewed. Data was carefully collected after identification of population, intervention, comparison, outcome, and study design (PICOS), and following the inclusion criteria of biodegradable metals in animal studies. 30 publications on pure Mg, Mg alloys, pure Zn and Zn alloys were finally included after extraction from a collected database of 2543 publications. A qualitative systematic review and a quantitative meta-analysis were performed. Given the heterogeneity in animal model, anatomical site and critical size defect (CSD), biodegradable metals exhibited mixed effects on bone defect repair and degradation in animal studies in comparison with traditional non-degradable metals, biodegradable polymers, bioceramics, and autogenous bone grafts. The results indicated that there were limitations in the experimental design of the included studies, and quality of the evidence presented by the studies was very low. To enhance clinical translation of biodegradable metals, evidence-based research with data validity is needed. Future studies should adopt standardized experimental protocols in investigating the effects of biodegradable metals on bone defect repair with animal models.
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Affiliation(s)
- Jiazhen Zhang
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, 100081, PR China
| | - Yanbiao Jiang
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, PR China
| | - Zhizhong Shang
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, PR China
| | - Bing Zhao
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, PR China
| | - Mingyue Jiao
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, PR China
| | - Wenbo Liu
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, 100081, PR China
| | - Maobo Cheng
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, 100081, PR China
| | - Bao Zhai
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, 100081, PR China
| | - Yajuan Guo
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, 100081, PR China
| | - Bin Liu
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, 100081, PR China
| | - Xinli Shi
- Center for Medical Device Evaluation, National Medical Products Administration, Beijing, 100081, PR China
| | - Bin Ma
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, PR China
- Institute of Health Data Science, Lanzhou University, Lanzhou, 730000, PR China
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Effects of Extracellular Osteoanabolic Agents on the Endogenous Response of Osteoblastic Cells. Cells 2021; 10:cells10092383. [PMID: 34572032 PMCID: PMC8471159 DOI: 10.3390/cells10092383] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/31/2021] [Accepted: 09/07/2021] [Indexed: 12/27/2022] Open
Abstract
The complex multidimensional skeletal organization can adapt its structure in accordance with external contexts, demonstrating excellent self-renewal capacity. Thus, optimal extracellular environmental properties are critical for bone regeneration and inextricably linked to the mechanical and biological states of bone. It is interesting to note that the microstructure of bone depends not only on genetic determinants (which control the bone remodeling loop through autocrine and paracrine signals) but also, more importantly, on the continuous response of cells to external mechanical cues. In particular, bone cells sense mechanical signals such as shear, tensile, loading and vibration, and once activated, they react by regulating bone anabolism. Although several specific surrounding conditions needed for osteoblast cells to specifically augment bone formation have been empirically discovered, most of the underlying biomechanical cellular processes underneath remain largely unknown. Nevertheless, exogenous stimuli of endogenous osteogenesis can be applied to promote the mineral apposition rate, bone formation, bone mass and bone strength, as well as expediting fracture repair and bone regeneration. The following review summarizes the latest studies related to the proliferation and differentiation of osteoblastic cells, enhanced by mechanical forces or supplemental signaling factors (such as trace metals, nutraceuticals, vitamins and exosomes), providing a thorough overview of the exogenous osteogenic agents which can be exploited to modulate and influence the mechanically induced anabolism of bone. Furthermore, this review aims to discuss the emerging role of extracellular stimuli in skeletal metabolism as well as their potential roles and provide new perspectives for the treatment of bone disorders.
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9
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Kanjilal D, Grieg C, Culbertson MD, Lin SS, Vives M, Benevenia J, O'Connor JP. Improved osteogenesis in rat femur segmental defects treated with human allograft and zinc adjuvants. Exp Biol Med (Maywood) 2021; 246:1857-1868. [PMID: 34038225 DOI: 10.1177/15353702211019008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Bone allograft is widely used to treat large bone defects or complex fractures. However, processing methods can significantly compromise allograft osteogenic activity. Adjuvants that can restore the osteogenic activity of processed allograft should improve clinical outcomes. In this study, zinc was tested as an adjuvant to increase the osteogenic activity of human allograft in a Rag2 null rat femoral defect model. Femoral defects were treated with human demineralized bone matrix (DBM) mixed with carboxy methyl cellulose containing ZnCl2 (0, 75, 150, 300 µg) or Zn stearate (347 µg). Rat femur defects treated with DBM-ZnCl2 (75 µg) and DBM-Zn stearate (347 µg) showed increased calcified tissue in the defect site compared to DBM alone. Radiograph scoring and µCT (microcomputed tomography) analysis showed an increased amount of bone formation at the defects treated with DBM-Zn stearate. Use of zinc as an adjuvant was also tested using human cancellous bone chips. The bone chips were soaked in ZnCl2 solutions before being added to defect sites. Zn adsorbed onto the chips in a time- and concentration-dependent manner. Rat femur defects treated with Zn-bound bone chips had more new bone in the defects based on µCT and histomorphometric analyses. The results indicate that zinc supplementation of human bone allograft improves allograft osteogenic activity in the rat femur defect model.
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Affiliation(s)
- Deboleena Kanjilal
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA.,School of Graduate Studies, Rutgers-Newark Health Science Campus, Newark, NJ 07103, USA
| | - Christopher Grieg
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA.,School of Graduate Studies, Rutgers-Newark Health Science Campus, Newark, NJ 07103, USA
| | - Maya Deza Culbertson
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA
| | - Sheldon S Lin
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA
| | - Michael Vives
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA
| | - Joseph Benevenia
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA
| | - J Patrick O'Connor
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA
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10
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Bosch-Rué E, Diez-Tercero L, Giordano-Kelhoffer B, Delgado LM, Bosch BM, Hoyos-Nogués M, Mateos-Timoneda MA, Tran PA, Gil FJ, Perez RA. Biological Roles and Delivery Strategies for Ions to Promote Osteogenic Induction. Front Cell Dev Biol 2021; 8:614545. [PMID: 33520992 PMCID: PMC7841204 DOI: 10.3389/fcell.2020.614545] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 12/17/2020] [Indexed: 12/11/2022] Open
Abstract
Bone is the most studied tissue in the field of tissue regeneration. Even though it has intrinsic capability to regenerate upon injury, several pathologies and injuries could hamper the highly orchestrated bone formation and resorption process. Bone tissue engineering seeks to mimic the extracellular matrix of the tissue and the different biochemical pathways that lead to successful regeneration. For many years, the use of extrinsic factors (i.e., growth factors and drugs) to modulate these biological processes have been the preferred choice in the field. Even though it has been successful in some instances, this approach presents several drawbacks, such as safety-concerns, short release profile and half-time life of the compounds. On the other hand, the use of inorganic ions has attracted significant attention due to their therapeutic effects, stability and lower biological risks. Biomaterials play a key role in such strategies where they serve as a substrate for the incorporation and release of the ions. In this review, the methodologies used to incorporate ions in biomaterials is presented, highlighting the osteogenic properties of such ions and the roles of biomaterials in controlling their release.
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Affiliation(s)
- Elia Bosch-Rué
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Leire Diez-Tercero
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Barcelona, Spain
| | | | - Luis M. Delgado
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Begoña M. Bosch
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Mireia Hoyos-Nogués
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Barcelona, Spain
| | | | - Phong A. Tran
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD, Australia
- Interface Science and Materials Engineering Group, School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane, QLD, Australia
| | - Francisco Javier Gil
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Roman A. Perez
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Barcelona, Spain
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11
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Qu X, Yang H, Yu Z, Jia B, Qiao H, Zheng Y, Dai K. Serum zinc levels and multiple health outcomes: Implications for zinc-based biomaterials. Bioact Mater 2020; 5:410-422. [PMID: 32258830 PMCID: PMC7114479 DOI: 10.1016/j.bioactmat.2020.03.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 03/10/2020] [Accepted: 03/10/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Zinc-based biomaterials, including biodegradable metal, nanoparticles, and coatings used in medical implants release zinc ions that may increase the whole-body and serum zinc concentrations. The impact of serum zinc concentrations on major health outcomes can provide insights for device design and clinical transformation of zinc-based biomaterials. METHODS This nationally representative cross-sectional study enrolled participants from the National Health and Nutrition Examination Survey (NHANES, 2011-2014) including 3607 participants. Using unadjusted and multivariate-adjusted logistic regression analyses, two-piecewise linear regression model with a smoothing function and threshold level analysis, we evaluated the associations between elevated serum zinc levels and major health outcomes. RESULTS Elevated serum zinc levels were significantly associated with an increase in total spine and total femur bone mineral density (BMD). Every 10 μg/dL increase was associated with a 1.12-fold increase in diabetes mellitus (DM) and 1.23-fold and 1.29-fold increase in cardiovascular diseases (CVD) and coronary heart disease (CHD), in participants with serum zinc levels ≥ 100 μg/dL. It had no significant linear or nonlinear associations with risk of fractures, congestive heart failure, heart attack, thyroid disease, arthritis, osteoarthritis, rheumatoid arthritis, dyslipidemia and cancer. CONCLUSION Serum zinc levels are significantly associated with increased BMD in the total spine and total femur, and risk of DM, and CVD/CHD among participants with serum zinc levels ≥100 μg/dL.
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Affiliation(s)
- Xinhua Qu
- Department of Bone and Joint Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
- Department of Orthopedics, Shanghai Key Laboratory of Orthopedic Implant, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China
| | - Hongtao Yang
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
- Department of Plastic & Reconstructive Surgery, The Ohio State University, Columbus, OH, 43210, United States
| | - Zhifeng Yu
- Department of Orthopedics, Shanghai Key Laboratory of Orthopedic Implant, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China
| | - Bo Jia
- Department of Orthopedics, Shanghai Key Laboratory of Orthopedic Implant, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China
| | - Han Qiao
- Department of Orthopedics, Shanghai Key Laboratory of Orthopedic Implant, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China
| | - Yufeng Zheng
- Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing, 100871, China
- International Research Organization for Advanced Science and Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-Ku, Kumamoto, 860-8555, Japan
| | - Kerong Dai
- Department of Orthopedics, Shanghai Key Laboratory of Orthopedic Implant, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China
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12
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O’Connor JP, Kanjilal D, Teitelbaum M, Lin SS, Cottrell JA. Zinc as a Therapeutic Agent in Bone Regeneration. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2211. [PMID: 32408474 PMCID: PMC7287917 DOI: 10.3390/ma13102211] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/03/2020] [Accepted: 05/08/2020] [Indexed: 11/28/2022]
Abstract
Zinc is an essential mineral that is required for normal skeletal growth and bone homeostasis. Furthermore, zinc appears to be able to promote bone regeneration. However, the cellular and molecular pathways through which zinc promotes bone growth, homeostasis, and regeneration are poorly understood. Zinc can positively affect chondrocyte and osteoblast functions, while inhibiting osteoclast activity, consistent with a beneficial role for zinc in bone homeostasis and regeneration. Based on the effects of zinc on skeletal cell populations and the role of zinc in skeletal growth, therapeutic approaches using zinc to improve bone regeneration are being developed. This review focuses on the role of zinc in bone growth, homeostasis, and regeneration while providing an overview of the existing studies that use zinc as a bone regeneration therapeutic.
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Affiliation(s)
- J. Patrick O’Connor
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA;
- School of Graduate Studies, Rutgers, the State University of New Jersey, 185 South Orange Avenue, Newark, NJ 07103, USA; (D.K.); (M.T.)
| | - Deboleena Kanjilal
- School of Graduate Studies, Rutgers, the State University of New Jersey, 185 South Orange Avenue, Newark, NJ 07103, USA; (D.K.); (M.T.)
| | - Marc Teitelbaum
- School of Graduate Studies, Rutgers, the State University of New Jersey, 185 South Orange Avenue, Newark, NJ 07103, USA; (D.K.); (M.T.)
| | - Sheldon S. Lin
- Department of Orthopaedics, Rutgers-New Jersey Medical School, Newark, NJ 07103, USA;
- School of Graduate Studies, Rutgers, the State University of New Jersey, 185 South Orange Avenue, Newark, NJ 07103, USA; (D.K.); (M.T.)
| | - Jessica A. Cottrell
- Department of Biological Sciences, Seton Hall University, 400 South Orange Avenue, South Orange, NJ 07079, USA;
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13
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Wang B, Yang M, Liu L, Yan G, Yan H, Feng J, Li Z, Li D, Sun H, Yang B. Osteogenic potential of Zn 2+-passivated carbon dots for bone regeneration in vivo. Biomater Sci 2020; 7:5414-5423. [PMID: 31633717 DOI: 10.1039/c9bm01181a] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Carbon dots are a new kind of nanomaterial which has great potential in biomedical applications. Previously, we have synthesized novel Zn2+-passivated carbon dots (Zn-CDs) which showed good osteogenic activity in vitro. In this study, we will further investigate the osteogenic effects of Zn-CDs in vivo which is essential before their clinical use. Herein, Zn2+-passivated carbon dots (Zn-CDs) are prepared and characterized as previously reported. Then, the optimum dose for inducing osteoblasts was evaluated by MTS assay, intracellular reactive oxygen species (ROS) detection, alkaline phosphatase (ALP) activity test and alizarin red staining in vitro. Finally, a 5 mm diameter calvarial bone defect model was created in rats and Zn-CDs were applied for repairing the critical bone defect. It was shown that zinc gluconate (Zn-G) and Zn-CDs promoted the survival of bone marrow stromal cells (BMSCs) when the zinc ion concentration was 10-4 mol L-1 (Zn-G: 45.6 μg mL-1) and 10-5 mol L-1 (Zn-CDs: 300 μg mL-1) or below respectively. With regard to the osteogenic capability, the ALP activity induced by Zn-CDs was significantly higher than that by Zn-G. Besides, the results of alizarin red staining showed that the area of calcified nodules was increased in a dose-dependent manner in the Zn-CD group. Moreover, there were more calcium nodules in the Zn-CD group than in the Zn-G group at the same concentration of Zn2+ (10-5 mol L-1). Taken together, Zn-CDs achieved the highest osteogenic effect at the concentration of 10-5 mol L-1 without affecting cell proliferation in long-term stimulation. Importantly, the volume of new bone formation in the Zn-CD group (6.66 ± 1.25 mm3) was twice higher than that in the control group (3.33 ± 0.94 mm3) in vivo. Further histological evaluation confirmed the markedly new bone formation at 8 weeks in the Zn-CD group. The in vitro and in vivo experiments revealed that Zn-CDs could be a new predictable nanomaterial with good biocompatibility and fluorescence properties for guiding bone regeneration.
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Affiliation(s)
- Bo Wang
- Department of Oral Biology, Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, School and Hospital of Stomatology, Jilin University, Changchun, 130012, China.
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14
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The zinc transporter Zip14 (SLC39a14) affects Beta-cell Function: Proteomics, Gene expression, and Insulin secretion studies in INS-1E cells. Sci Rep 2019; 9:8589. [PMID: 31197210 PMCID: PMC6565745 DOI: 10.1038/s41598-019-44954-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 05/24/2019] [Indexed: 12/18/2022] Open
Abstract
Insulin secretion from pancreatic beta-cells is dependent on zinc ions as essential components of insulin crystals, zinc transporters are thus involved in the insulin secretory process. Zip14 (SLC39a14) is a zinc importing protein that has an important role in glucose homeostasis. Zip14 knockout mice display hyperinsulinemia and impaired insulin secretion in high glucose conditions. Endocrine roles for Zip14 have been established in adipocytes and hepatocytes, but not yet confirmed in beta-cells. In this study, we investigated the role of Zip14 in the INS-1E beta-cell line. Zip14 mRNA was upregulated during high glucose stimulation and Zip14 silencing led to increased intracellular insulin content. Large-scale proteomics showed that Zip14 silencing down-regulated ribosomal mitochondrial proteins, many metal-binding proteins, and others involved in oxidative phosphorylation and insulin secretion. Furthermore, proliferation marker Mki67 was down-regulated in Zip14 siRNA-treated cells. In conclusion, Zip14 gene expression is glucose sensitive and silencing of Zip14 directly affects insulin processing in INS-1E beta-cells. A link between Zip14 and ribosomal mitochondrial proteins suggests altered mitochondrial RNA translation, which could disturb mitochondrial function and thereby insulin secretion. This highlights a role for Zip14 in beta-cell functioning and suggests Zip14 as a future pharmacological target in the treatment of beta-cell dysfunction.
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15
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Wahono NA, Ford D, Wakeling LA, Valentine RA. The presence and response to Zn of ZnT family mRNAs in human dental pulp. Metallomics 2019; 11:613-620. [PMID: 30675888 DOI: 10.1039/c8mt00343b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Zinc (Zn) is distributed throughout the body and within cells by saturable processes mediated by the transport proteins of the ZnT (SLC30) and ZIP (SLC39) families. The two families function in opposite directions. ZnT transporters mediate cellular zinc efflux or intracellular sequestration. Zn is found in human tooth enamel and dentine at levels that have been related to environmental exposures, such as pollution, disease, and dietary intake. The mechanism by which Zn in the odontoblast is deposited in the hard tissue of the tooth, however, is unknown but is important in determining the physical properties, and hence resilience, of enamel and in the context of the use of tooth zinc level as a biomarker of exposure. We hypothesised that zinc efflux mediated by members of the ZnT family of 10 transporters is a key step in this process and is regulated by zinc availability through effects on mRNA levels. Thus, we determined the profile of ZnT transporter mRNA in a human active-secretory odontoblast-like cell model under conditions of high- and low-extracellular Zn concentration and determined if the same transporter mRNAs were present in human dental pulp. ZnT1, ZnT5 and ZnT9 mRNAs were detected by RT-PCR in both the secretory odontoblast cells and human dental pulp. ZnT2, ZnT3 and ZnT10 mRNAs were not detected, and ZnT4 mRNA was detected in secretory odontoblasts only, which may be indicative of a specialised zinc efflux function during the active secretory phase of tooth development. ZnT1 mRNA was significantly increased in response to extracellular Zn exposure (60 μM) after 24 h. The presence of Zn transporter mRNAs in secretory odontoblasts and dental pulp indicates that the corresponding transport proteins function to deposit zinc in the dental hard tissues. The responsiveness of ZnT1 in odontoblasts to zinc availability is concordant with this being a process that is regulated to maintain cellular Zn homeostasis and that is a mediator of the relationship between environmental Zn exposure and dental Zn deposition. These findings have likely relevance to human dental health through effects of Zn transporter expression level on the hard tissue properties.
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Affiliation(s)
- Nieka A Wahono
- Centre for Oral Health Research and Human Nutrition Research Centre, School of Dental Science, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4BW, UK.
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16
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Zeng Q, Wang Y, Gao J, Yan Z, Li Z, Zou X, Li Y, Wang J, Guo Y. miR-29b-3p regulated osteoblast differentiation via regulating IGF-1 secretion of mechanically stimulated osteocytes. Cell Mol Biol Lett 2019; 24:11. [PMID: 30915127 PMCID: PMC6416934 DOI: 10.1186/s11658-019-0136-2] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 01/23/2019] [Indexed: 12/31/2022] Open
Abstract
Background Mechanical loading is an essential factor for bone formation. A previous study indicated that mechanical tensile strain of 2500 microstrain (με) at 0.5 Hz for 8 h promoted osteogenesis and corresponding mechanoresponsive microRNAs (miRs) were identified in osteoblasts. However, in osteocytes, it has not been identified which miRs respond to the mechanical strain, and it is not fully understood how the mechanoresponsive miRs regulate osteoblast differentiation. Methods Mouse MLO-Y4 osteocytes were applied to the same mechanical tensile strain in vitro. Using molecular and biochemical methods, IGF-1 (insulin-like growth factor-1), PGE2 (prostaglandin E2), OPG (osteoprotegerin) and NOS (nitric oxide synthase) activities of the cells were assayed. MiR microarray and reverse transcription-quantitative polymerase chain reaction (RT-qPCR) assays were applied to select and validate differentially expressed miRs, and the target genes of these miRs were then predicted. MC3T3-E1 osteoblasts were stimulated by the mechanical tensile strain, and the miR-29b-3p expression was detected with miR microarray and RT-qPCR. Additionally, the effect of miR-29b-3p on IFG-1 secretion of osteocytes and the influence of conditioned medium of osteocytes transfected with miR-29b-3p on osteoblast differentiation were investigated. Results The mechanical strain increased secretions of IGF-1 and PGE2, elevated OPG expression and NOS activities, and resulted in altered expression of the ten miRs, and possible target genes for these differentially expressed miRs were revealed through bioinformatics. Among the ten miRs, miR-29b-3p were down-regulated, and miR-29b-3p overexpression decreased the IGF-1 secretion of osteocytes. The mechanical strain did not change expression of osteoblasts' miR-29b-3p. In addition, the conditioned medium of mechanically strained osteocytes promoted osteoblast differentiation, and the conditioned medium of osteocytes transfected with miR-29b-3p mimic inhibited osteoblast differentiation. Conclusions In osteocytes (but not osteoblasts), miR-29b-3p was responsive to the mechanical tensile strain and regulated osteoblast differentiation via regulating IGF-1 secretion of mechanically strained osteocytes.
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Affiliation(s)
- Qiangcheng Zeng
- 1key laboratory of Functional Bioresource Utilization in University of Shandong, Shandong Key Laboratory of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Yang Wang
- 2Department of Biomedical Engineering, College of Biotechnology, Guilin Medical University, No. 1 Zhiyuan Road, Lingui District, Guilin City, 541100 Guangxi China.,3Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400044 China
| | - Jie Gao
- 1key laboratory of Functional Bioresource Utilization in University of Shandong, Shandong Key Laboratory of Biophysics, Dezhou University, Dezhou, 253023 China.,Medical Department, Secondary Renmin Hospital of Dezhou, Dezhou, 253023 Shangdong China
| | - Zhixiong Yan
- 2Department of Biomedical Engineering, College of Biotechnology, Guilin Medical University, No. 1 Zhiyuan Road, Lingui District, Guilin City, 541100 Guangxi China
| | - Zhenghua Li
- 1key laboratory of Functional Bioresource Utilization in University of Shandong, Shandong Key Laboratory of Biophysics, Dezhou University, Dezhou, 253023 China
| | - Xianqiong Zou
- 2Department of Biomedical Engineering, College of Biotechnology, Guilin Medical University, No. 1 Zhiyuan Road, Lingui District, Guilin City, 541100 Guangxi China
| | - Yanan Li
- 2Department of Biomedical Engineering, College of Biotechnology, Guilin Medical University, No. 1 Zhiyuan Road, Lingui District, Guilin City, 541100 Guangxi China
| | - Jiahui Wang
- 2Department of Biomedical Engineering, College of Biotechnology, Guilin Medical University, No. 1 Zhiyuan Road, Lingui District, Guilin City, 541100 Guangxi China
| | - Yong Guo
- 1key laboratory of Functional Bioresource Utilization in University of Shandong, Shandong Key Laboratory of Biophysics, Dezhou University, Dezhou, 253023 China.,2Department of Biomedical Engineering, College of Biotechnology, Guilin Medical University, No. 1 Zhiyuan Road, Lingui District, Guilin City, 541100 Guangxi China
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17
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Sun TW, Yu WL, Zhu YJ, Chen F, Zhang YG, Jiang YY, He YH. Porous Nanocomposite Comprising Ultralong Hydroxyapatite Nanowires Decorated with Zinc-Containing Nanoparticles and Chitosan: Synthesis and Application in Bone Defect Repair. Chemistry 2018; 24:8809-8821. [DOI: 10.1002/chem.201800425] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Indexed: 12/22/2022]
Affiliation(s)
- Tuan-Wei Sun
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Wei-Lin Yu
- Department of Orthopedics; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai 200233 P. R. China
| | - Ying-Jie Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Feng Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050 P. R. China
| | - Yong-Gang Zhang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Ying-Ying Jiang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure; Shanghai Institute of Ceramics; Chinese Academy of Sciences; Shanghai 200050 P. R. China
- University of Chinese Academy of Sciences; Beijing 100049 P. R. China
| | - Yao-Hua He
- Department of Orthopedics; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai 200233 P. R. China
- Shanghai Jiao Tong University Affiliated Sixth People's Hospital; School of Biomedical Engineering; Shanghai 200233 P. R. China
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18
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Bouain N, Satbhai SB, Korte A, Saenchai C, Desbrosses G, Berthomieu P, Busch W, Rouached H. Natural allelic variation of the AZI1 gene controls root growth under zinc-limiting condition. PLoS Genet 2018; 14:e1007304. [PMID: 29608565 PMCID: PMC5897037 DOI: 10.1371/journal.pgen.1007304] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 04/12/2018] [Accepted: 03/11/2018] [Indexed: 11/18/2022] Open
Abstract
Zinc is an essential micronutrient for all living organisms and is involved in a plethora of processes including growth and development, and immunity. However, it is unknown if there is a common genetic and molecular basis underlying multiple facets of zinc function. Here we used natural variation in Arabidopsis thaliana to study the role of zinc in regulating growth. We identify allelic variation of the systemic immunity gene AZI1 as a key for determining root growth responses to low zinc conditions. We further demonstrate that this gene is important for modulating primary root length depending on the zinc and defence status. Finally, we show that the interaction of the immunity signal azelaic acid and zinc level to regulate root growth is conserved in rice. This work demonstrates that there is a common genetic and molecular basis for multiple zinc dependent processes and that nutrient cues can determine the balance of growth and immune responses in plants.
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Affiliation(s)
- Nadia Bouain
- BPMP, Univ Montpellier, CNRS, INRA, SupAgro, Montpellier, France
| | - Santosh B. Satbhai
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna Biocenter (VBC), Vienna, Austria
- Plant Molecular and Cellular Biology Laboratory, Salk Institute for Biological Studies, La Jolla, United States of America
| | - Arthur Korte
- Evolutionary Genomics Center for Computational and Theoretical Biology (CCTB), University Würzburg, Würzburg, Germany
| | - Chorpet Saenchai
- BPMP, Univ Montpellier, CNRS, INRA, SupAgro, Montpellier, France
| | | | | | - Wolfgang Busch
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna Biocenter (VBC), Vienna, Austria
- Plant Molecular and Cellular Biology Laboratory, Salk Institute for Biological Studies, La Jolla, United States of America
- * E-mail: (WB); (HR)
| | - Hatem Rouached
- BPMP, Univ Montpellier, CNRS, INRA, SupAgro, Montpellier, France
- * E-mail: (WB); (HR)
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19
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Hendrickx G, Borra VM, Steenackers E, Yorgan TA, Hermans C, Boudin E, Waterval JJ, Jansen IDC, Aydemir TB, Kamerling N, Behets GJ, Plumeyer C, D’Haese PC, Busse B, Everts V, Lammens M, Mortier G, Cousins RJ, Schinke T, Stokroos RJ, Manni JJ, Van Hul W. Conditional mouse models support the role of SLC39A14 (ZIP14) in Hyperostosis Cranialis Interna and in bone homeostasis. PLoS Genet 2018; 14:e1007321. [PMID: 29621230 PMCID: PMC5903675 DOI: 10.1371/journal.pgen.1007321] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 04/17/2018] [Accepted: 03/19/2018] [Indexed: 01/19/2023] Open
Abstract
Hyperostosis Cranialis Interna (HCI) is a rare bone disorder characterized by progressive intracranial bone overgrowth at the skull. Here we identified by whole-exome sequencing a dominant mutation (L441R) in SLC39A14 (ZIP14). We show that L441R ZIP14 is no longer trafficked towards the plasma membrane and excessively accumulates intracellular zinc, resulting in hyper-activation of cAMP-CREB and NFAT signaling. Conditional knock-in mice overexpressing L438R Zip14 in osteoblasts have a severe skeletal phenotype marked by a drastic increase in cortical thickness due to an enhanced endosteal bone formation, resembling the underlying pathology in HCI patients. Remarkably, L438R Zip14 also generates an osteoporotic trabecular bone phenotype. The effects of osteoblastic overexpression of L438R Zip14 therefore mimic the disparate actions of estrogen on cortical and trabecular bone through osteoblasts. Collectively, we reveal ZIP14 as a novel regulator of bone homeostasis, and that manipulating ZIP14 might be a therapeutic strategy for bone diseases.
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Affiliation(s)
- Gretl Hendrickx
- Center of Medical Genetics, University and University Hospital of Antwerp, Antwerp, Belgium
| | - Vere M. Borra
- Center of Medical Genetics, University and University Hospital of Antwerp, Antwerp, Belgium
| | - Ellen Steenackers
- Center of Medical Genetics, University and University Hospital of Antwerp, Antwerp, Belgium
| | - Timur A. Yorgan
- Department of Osteology and Biomechanics (IOBM), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christophe Hermans
- Center for Oncological Research Antwerp (CORE), University of Antwerp, Antwerp, Belgium
| | - Eveline Boudin
- Center of Medical Genetics, University and University Hospital of Antwerp, Antwerp, Belgium
| | - Jérôme J. Waterval
- Department of Otorhinolaryngology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ineke D. C. Jansen
- Department of Periodontology and Oral Cell Biology, Academic Center of Dentistry Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands
| | - Tolunay Beker Aydemir
- Food Science and Human Nutrition Department and Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, United States of America
| | - Niels Kamerling
- Department of Neurosurgery, University Hospital Antwerp, Antwerp, Belgium
| | - Geert J. Behets
- Department of Pathophysiology, University of Antwerp, Antwerp, Belgium
| | - Christine Plumeyer
- Department of Osteology and Biomechanics (IOBM), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Björn Busse
- Department of Osteology and Biomechanics (IOBM), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Vincent Everts
- Department of Periodontology and Oral Cell Biology, Academic Center of Dentistry Amsterdam and VU University Amsterdam, Amsterdam, The Netherlands
| | - Martin Lammens
- Department of Pathological Anatomy, University Hospital Antwerp, Antwerp, Belgium
| | - Geert Mortier
- Center of Medical Genetics, University and University Hospital of Antwerp, Antwerp, Belgium
| | - Robert J. Cousins
- Food Science and Human Nutrition Department and Center for Nutritional Sciences, College of Agricultural and Life Sciences, University of Florida, Gainesville, FL, United States of America
| | - Thorsten Schinke
- Department of Osteology and Biomechanics (IOBM), University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Robert J. Stokroos
- Department of Otorhinolaryngology and Head & Neck Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Johannes J. Manni
- Department of Otorhinolaryngology and Head & Neck Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Wim Van Hul
- Center of Medical Genetics, University and University Hospital of Antwerp, Antwerp, Belgium
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20
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Sasaki S, Tsukamoto M, Saito M, Hojyo S, Fukada T, Takami M, Furuichi T. Disruption of the mouse Slc39a14 gene encoding zinc transporter ZIP14 is associated with decreased bone mass, likely caused by enhanced bone resorption. FEBS Open Bio 2018; 8:655-663. [PMID: 29632817 PMCID: PMC5881542 DOI: 10.1002/2211-5463.12399] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 01/29/2018] [Accepted: 01/30/2018] [Indexed: 11/28/2022] Open
Abstract
Osteoclasts are bone‐resorbing cells that play an essential role in maintaining bone homeostasis. Zinc (Zn) has been reported to inhibit osteoclast‐mediated bone resorption, but the mechanism of this action has not been clarified. Zn homeostasis is tightly controlled by the coordinated actions of many Zn transporters. The Zn transporter ZIP14/Slc39a14 is involved in various physiological functions; hence, Zip14‐knockout (KO) mice exhibit multiple phenotypes. In this study, we thoroughly investigated the bone phenotypes of Zip14‐KO mice, demonstrating that the KO mice exhibited osteopenia in both trabecular and cortical bones. In Zip14‐KO mice, bone resorption was increased, whereas the bone formation rate was unchanged. Zip14mRNA was expressed in normal osteoclasts both in vivo and in vitro, but receptor activator of NF‐κB ligand (RANKL)‐induced osteoclastogenesis was not impaired in bone marrow‐derived macrophages prepared from Zip14‐KO mice. These results suggest that ZIP14 regulates bone homeostasis by inhibiting bore resorption and that in Zip14‐KO mice, bone resorption is increased due to the elimination of this inhibitory regulation. Further studies are necessary to conclude whether the enhancement of bone resorption in Zip14‐KO mice is due to a cell‐autonomous or a non‐cell‐autonomous osteoclast defect.
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Affiliation(s)
- Sun Sasaki
- Laboratory of Laboratory Animal Science and Medicine, Co-Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Japan
| | - Manami Tsukamoto
- Laboratory of Laboratory Animal Science and Medicine, Co-Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Japan
| | - Masaki Saito
- Laboratory of Laboratory Animal Science and Medicine, Co-Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Japan
| | - Shintaro Hojyo
- Osteoimmunology, Deutsches Rheuma-Forschungszentrum, Berlin, Germany
| | - Toshiyuki Fukada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, okushima, Japan.,Department of Pathology, School of Dentistry, Showa University, Tokyo, Japan.,RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Masamichi Takami
- Department of Pharmacology, School of Dentistry, Showa University, Tokyo, Japan
| | - Tatsuya Furuichi
- Laboratory of Laboratory Animal Science and Medicine, Co-Department of Veterinary Medicine, Faculty of Agriculture, Iwate University, Morioka, Japan.,Department of Basic Veterinary Science, United Graduate School of Veterinary Science, Gifu University, Gifu, Japan
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21
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Dusanic M, Dekomien G, Lücke T, Vorgerd M, Weis J, Epplen JT, Köhler C, Hoffjan S. Novel Nonsense Mutation in SLC39A13 Initially Presenting as Myopathy: Case Report and Review of the Literature. Mol Syndromol 2018; 9:100-109. [PMID: 29593477 DOI: 10.1159/000485881] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/25/2017] [Indexed: 11/19/2022] Open
Abstract
Myopathies comprise a heterogeneous group of disorders characterized by variable phenotypes. The increasing use of next-generation sequencing allows identification of the causative genes in a much higher percentage of patients with hereditary muscle disorders and also illustrates a considerable degree of overlap with other clinical entities, including connective tissue disorders. Here, we present a 14-year-old German patient who was initially suspected to suffer from myopathy based on his clinical, radiological, and muscle biopsy findings. Exome sequencing revealed a novel homozygous nonsense mutation in the SLC39A13 gene, causative for spondylocheiro dysplastic Ehlers Danlos syndrome (SCD-EDS), suggesting a connective tissue disorder. Including our patient, only 9 affected individuals from 4 families have been described for SCD-EDS so far. The previously reported patients did not show obvious evidence of myopathy, suggesting a broader clinical presentation than originally suspected. We summarize herein the current knowledge on clinical features as well as pathophysiological pathways for this rare connective tissue disease and discuss the high degree of clinical overlap between myopathic and connective tissue disorders.
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Affiliation(s)
- Maja Dusanic
- Department of Human Genetics, Ruhr-University Bochum, Bochum, Germany.,Center for Rare Diseases Ruhr (CeSER), Bochum, Germany.,Faculty for Health, ZBAF, University of Witten/Herdecke, Witten, Germany
| | - Gabriele Dekomien
- Department of Human Genetics, Ruhr-University Bochum, Bochum, Germany.,Center for Rare Diseases Ruhr (CeSER), Bochum, Germany
| | - Thomas Lücke
- Department of Neuropediatrics, University Children's Hospital, Ruhr-University Bochum, Bochum, Germany.,Center for Rare Diseases Ruhr (CeSER), Bochum, Germany
| | - Matthias Vorgerd
- Center for Rare Diseases Ruhr (CeSER), Bochum, Germany.,Department of Neurology, Bergmannsheil, Bochum, Germany
| | - Joachim Weis
- Institute of Neuropathology, RWTH Aachen Medical School, Aachen, Germany
| | - Joerg T Epplen
- Department of Human Genetics, Ruhr-University Bochum, Bochum, Germany.,Center for Rare Diseases Ruhr (CeSER), Bochum, Germany.,Faculty for Health, ZBAF, University of Witten/Herdecke, Witten, Germany
| | - Cornelia Köhler
- Department of Neuropediatrics, University Children's Hospital, Ruhr-University Bochum, Bochum, Germany.,Center for Rare Diseases Ruhr (CeSER), Bochum, Germany
| | - Sabine Hoffjan
- Department of Human Genetics, Ruhr-University Bochum, Bochum, Germany.,Center for Rare Diseases Ruhr (CeSER), Bochum, Germany
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22
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Localized zinc distribution in shark vertebrae suggests differential deposition during ontogeny and across vertebral structures. PLoS One 2018; 13:e0190927. [PMID: 29324879 PMCID: PMC5764331 DOI: 10.1371/journal.pone.0190927] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 12/24/2017] [Indexed: 01/09/2023] Open
Abstract
The development of shark vertebrae and the possible drivers of inter- and intra-specific differences in vertebral structure are poorly understood. Shark vertebrae are used to examine life-history traits related to trophic ecology, movement patterns, and the management of fisheries; a better understanding of their development would be beneficial to many fields of research that rely on these calcified structures. This study used Scanning X-ray Fluorescence Microscopy to observe zinc distribution within vertebrae of ten shark species from five different orders. Zinc was mostly localised within the intermedialis and was generally detected at levels an order of magnitude lower in the corpus calcareum. In most species, zinc concentrations were higher pre-birth mark, indicating a high rate of pre-natal zinc deposition. These results suggest there are inter-specific differences in elemental deposition within vertebrae. Since the deposition of zinc is physiologically-driven, these differences suggest that the processes of growth and deposition are potentially different in the intermedialis and corpus calcareum, and that caution should be taken when extrapolating information such as annual growth bands from one structure to the other. Together these results suggest that the high inter-specific variation in vertebral zinc deposition and associated physiologies may explain the varying effectiveness of ageing methodologies applied to elasmobranch vertebrae.
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23
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Recent Advances in the Role of SLC39A/ZIP Zinc Transporters In Vivo. Int J Mol Sci 2017; 18:ijms18122708. [PMID: 29236063 PMCID: PMC5751309 DOI: 10.3390/ijms18122708] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 11/27/2017] [Accepted: 12/08/2017] [Indexed: 02/07/2023] Open
Abstract
Zinc (Zn), which is an essential trace element, is involved in numerous mammalian physiological events; therefore, either a deficiency or excess of Zn impairs cellular machineries and influences physiological events, such as systemic growth, bone homeostasis, skin formation, immune responses, endocrine function, and neuronal function. Zn transporters are thought to mainly contribute to Zn homeostasis within cells and in the whole body. Recent genetic, cellular, and molecular studies of Zn transporters highlight the dynamic role of Zn as a signaling mediator linking several cellular events and signaling pathways. Dysfunction in Zn transporters causes various diseases. This review aims to provide an update of Zn transporters and Zn signaling studies and discusses the remaining questions and future directions by focusing on recent progress in determining the roles of SLC39A/ZIP family members in vivo.
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24
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Wessels I, Maywald M, Rink L. Zinc as a Gatekeeper of Immune Function. Nutrients 2017; 9:E1286. [PMID: 29186856 PMCID: PMC5748737 DOI: 10.3390/nu9121286] [Citation(s) in RCA: 362] [Impact Index Per Article: 51.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 11/20/2017] [Accepted: 11/22/2017] [Indexed: 12/27/2022] Open
Abstract
After the discovery of zinc deficiency in the 1960s, it soon became clear that zinc is essential for the function of the immune system. Zinc ions are involved in regulating intracellular signaling pathways in innate and adaptive immune cells. Zinc homeostasis is largely controlled via the expression and action of zinc "importers" (ZIP 1-14), zinc "exporters" (ZnT 1-10), and zinc-binding proteins. Anti-inflammatory and anti-oxidant properties of zinc have long been documented, however, underlying mechanisms are still not entirely clear. Here, we report molecular mechanisms underlying the development of a pro-inflammatory phenotype during zinc deficiency. Furthermore, we describe links between altered zinc homeostasis and disease development. Consequently, the benefits of zinc supplementation for a malfunctioning immune system become clear. This article will focus on underlying mechanisms responsible for the regulation of cellular signaling by alterations in zinc homeostasis. Effects of fast zinc flux, intermediate "zinc waves", and late homeostatic zinc signals will be discriminated. Description of zinc homeostasis-related effects on the activation of key signaling molecules, as well as on epigenetic modifications, are included to emphasize the role of zinc as a gatekeeper of immune function.
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Affiliation(s)
- Inga Wessels
- Institute of Immunology, Faculty of Medicine, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074 Aachen, Germany.
| | - Martina Maywald
- Institute of Immunology, Faculty of Medicine, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074 Aachen, Germany.
| | - Lothar Rink
- Institute of Immunology, Faculty of Medicine, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074 Aachen, Germany.
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25
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Brady AF, Demirdas S, Fournel-Gigleux S, Ghali N, Giunta C, Kapferer-Seebacher I, Kosho T, Mendoza-Londono R, Pope MF, Rohrbach M, Van Damme T, Vandersteen A, van Mourik C, Voermans N, Zschocke J, Malfait F. The Ehlers-Danlos syndromes, rare types. AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS 2017; 175:70-115. [PMID: 28306225 DOI: 10.1002/ajmg.c.31550] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The Ehlers-Danlos syndromes comprise a clinically and genetically heterogeneous group of heritable connective tissue disorders, which are characterized by joint hypermobility, skin hyperextensibility, and tissue friability. In the Villefranche Nosology, six subtypes were recognized: The classical, hypermobile, vascular, kyphoscoliotic, arthrochalasis, and dermatosparaxis subtypes of EDS. Except for the hypermobile subtype, defects had been identified in fibrillar collagens or in collagen-modifying enzymes. Since 1997, a whole spectrum of novel, clinically overlapping, rare EDS-variants have been delineated and genetic defects have been identified in an array of other extracellular matrix genes. Advances in molecular testing have made it possible to now identify the causative mutation for many patients presenting these phenotypes. The aim of this literature review is to summarize the current knowledge on the rare EDS subtypes and highlight areas for future research. © 2017 Wiley Periodicals, Inc.
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26
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Bin BH, Bhin J, Seo J, Kim SY, Lee E, Park K, Choi DH, Takagishi T, Hara T, Hwang D, Koseki H, Asada Y, Shimoda S, Mishima K, Fukada T. Requirement of Zinc Transporter SLC39A7/ZIP7 for Dermal Development to Fine-Tune Endoplasmic Reticulum Function by Regulating Protein Disulfide Isomerase. J Invest Dermatol 2017; 137:1682-1691. [PMID: 28545780 DOI: 10.1016/j.jid.2017.03.031] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 03/04/2017] [Accepted: 03/10/2017] [Indexed: 11/30/2022]
Abstract
Skin is the first area that manifests zinc deficiency. However, the molecular mechanisms by which zinc homeostasis affects skin development remain largely unknown. Here, we show that zinc-regulation transporter-/iron-regulation transporter-like protein 7 (ZIP7) localized to the endoplasmic reticulum plays critical roles in connective tissue development. Mice lacking the Slc39a7/Zip7 gene in collagen 1-expressing tissue exhibited dermal dysplasia. Ablation of ZIP7 in mesenchymal stem cells inhibited cell proliferation thereby preventing proper dermis formation, indicating that ZIP7 is required for dermal development. We also found that mesenchymal stem cells lacking ZIP7 accumulated zinc in the endoplasmic reticulum, which triggered zinc-dependent aggregation and inhibition of protein disulfide isomerase, leading to endoplasmic reticulum dysfunction. These results suggest that ZIP7 is necessary for endoplasmic reticulum function in mesenchymal stem cells and, as such, is essential for dermal development.
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Affiliation(s)
- Bum-Ho Bin
- Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, Tokyo, Japan.
| | - Jinhyuk Bhin
- Department of New Biology, DGIST, Daegu, Republic of Korea
| | - Juyeon Seo
- Amorepacific R&D Unit, Beauty in Longevity Science Research Division, Beauty Food Research Team, Yongin, Republic of Korea
| | - Se-Young Kim
- Department of Biotechnology, Korea University, Seoul, Republic of Korea
| | - Eunyoung Lee
- Department of Biotechnology, Korea University, Seoul, Republic of Korea
| | - Kyuhee Park
- Gyeonggi Bio Center, Gyeonggi Institute of Science & Technology Promotion, Suwon, Republic of Korea
| | - Dong-Hwa Choi
- Gyeonggi Bio Center, Gyeonggi Institute of Science & Technology Promotion, Suwon, Republic of Korea
| | - Teruhisa Takagishi
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan
| | - Takafumi Hara
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan
| | - Daehee Hwang
- Department of New Biology, DGIST, Daegu, Republic of Korea
| | - Haruhiko Koseki
- Laboratory for Developmental Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Yoshinobu Asada
- Department of Pediatric Dentistry, Tsurumi University School of Dental Medicine, Yokohama, Japan
| | - Shinji Shimoda
- Department of Oral Anatomy-1, Tsurumi University School of Dental Medicine, Yokohama, Japan
| | - Kenji Mishima
- Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, Tokyo, Japan
| | - Toshiyuki Fukada
- Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, Tokyo, Japan; Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan; RIKEN Center for Integrative Medical Sciences, Yokohama, Japan.
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27
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Yu W, Sun TW, Qi C, Ding Z, Zhao H, Zhao S, Shi Z, Zhu YJ, Chen D, He Y. Evaluation of zinc-doped mesoporous hydroxyapatite microspheres for the construction of a novel biomimetic scaffold optimized for bone augmentation. Int J Nanomedicine 2017; 12:2293-2306. [PMID: 28392688 PMCID: PMC5373825 DOI: 10.2147/ijn.s126505] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Biomaterials with high osteogenic activity are desirable for sufficient healing of bone defects resulting from trauma, tumor, infection, and congenital abnormalities. Synthetic materials mimicking the structure and composition of human trabecular bone are of considerable potential in bone augmentation. In the present study, a zinc (Zn)-doped mesoporous hydroxyapatite microspheres (Zn-MHMs)/collagen scaffold (Zn-MHMs/Coll) was developed through a lyophilization fabrication process and designed to mimic the trabecular bone. The Zn-MHMs were synthesized through a microwave-hydrothermal method by using creatine phosphate as an organic phosphorus source. Zn-MHMs that consist of hydroxyapatite nanosheets showed relatively uniform spherical morphology, mesoporous hollow structure, high specific surface area, and homogeneous Zn distribution. They were additionally investigated as a drug nanocarrier, which was efficient in drug delivery and presented a pH-responsive drug release behavior. Furthermore, they were incorporated into the collagen matrix to construct a biomimetic scaffold optimized for bone tissue regeneration. The Zn-MHMs/Coll scaffolds showed an interconnected pore structure in the range of 100-300 μm and a sustained release of Zn ions. More importantly, the Zn-MHMs/Coll scaffolds could enhance the osteogenic differentiation of rat bone marrow-derived mesenchymal stem cells. Finally, the bone defect repair results of critical-sized femoral condyle defect rat model demonstrated that the Zn-MHMs/Coll scaffolds could enhance bone regeneration compared with the Coll or MHMs/Coll scaffolds. The results suggest that the biomimetic Zn-MHMs/Coll scaffolds may be of enormous potential in bone repair and regeneration.
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Affiliation(s)
- Weilin Yu
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital
| | - Tuan-Wei Sun
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai
- University of Chinese Academy of Sciences, Beijing
| | - Chao Qi
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai
- University of Chinese Academy of Sciences, Beijing
| | - Zhenyu Ding
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital
| | - Huakun Zhao
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital
| | - Shichang Zhao
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital
| | - Zhongmin Shi
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital
| | - Ying-Jie Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai
- University of Chinese Academy of Sciences, Beijing
| | - Daoyun Chen
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital
| | - Yaohua He
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital
- School of Biomedical Engineering, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
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28
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Hara T, Takeda TA, Takagishi T, Fukue K, Kambe T, Fukada T. Physiological roles of zinc transporters: molecular and genetic importance in zinc homeostasis. J Physiol Sci 2017; 67:283-301. [PMID: 28130681 PMCID: PMC10717645 DOI: 10.1007/s12576-017-0521-4] [Citation(s) in RCA: 259] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 01/04/2017] [Indexed: 02/07/2023]
Abstract
Zinc (Zn) is an essential trace mineral that regulates the expression and activation of biological molecules such as transcription factors, enzymes, adapters, channels, and growth factors, along with their receptors. Zn deficiency or excessive Zn absorption disrupts Zn homeostasis and affects growth, morphogenesis, and immune response, as well as neurosensory and endocrine functions. Zn levels must be adjusted properly to maintain the cellular processes and biological responses necessary for life. Zn transporters regulate Zn levels by controlling Zn influx and efflux between extracellular and intracellular compartments, thus, modulating the Zn concentration and distribution. Although the physiological functions of the Zn transporters remain to be clarified, there is growing evidence that Zn transporters are related to human diseases, and that Zn transporter-mediated Zn ion acts as a signaling factor, called "Zinc signal". Here we describe critical roles of Zn transporters in the body and their contribution at the molecular, biochemical, and genetic levels, and review recently reported disease-related mutations in the Zn transporter genes.
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Affiliation(s)
- Takafumi Hara
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan
| | - Taka-Aki Takeda
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Teruhisa Takagishi
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan
| | - Kazuhisa Fukue
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Taiho Kambe
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan.
| | - Toshiyuki Fukada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, Japan.
- Division of Pathology, Department of Oral Diagnostic Sciences, School of Dentistry, Showa University, Tokyo, Japan.
- RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan.
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29
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Hildebrand L, Gaber T, Kühnen P, Morhart R, Unterbörsch H, Schomburg L, Seemann P. Trace element and cytokine concentrations in patients with Fibrodysplasia Ossificans Progressiva (FOP): A case control study. J Trace Elem Med Biol 2017; 39:186-192. [PMID: 27908413 DOI: 10.1016/j.jtemb.2016.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 09/09/2016] [Accepted: 10/02/2016] [Indexed: 12/29/2022]
Abstract
Fibrodysplasia Ossificans Progressiva (FOP) is a rare inherited disease characterized by progressive heterotopic ossification. Disease onset, severity and symptoms vary between FOP patients, as does the frequency and activity of so-called flare-ups, during which tendons, ligaments, muscle and soft tissue are replaced by bone. Traumata, infections or other stressors are known inducers of flare-ups, and the hormone Activin A may be involved in disease activity; however, reliable biomarkers for FOP activity are missing, and the basal trace element and inflammatory state of patients are unknown. We hypothesized that FOP patients develop characteristic deficiencies in inflammation-related trace elements and display a chronically increased inflammatory cytokine level, collectively aggravating disease course and flare-up risk. Serum samples from 15 FOP patients and 25 relatives were collected under highest quality standards. Concentrations of Cu, Se and Zn were determined by total reflection X-ray fluorescence, and 27 cytokines along with Activin A by specific antibody-based techniques. Data were tested for normal distribution and analyzed by parametric or non-parametric tests. Concentrations of Se and Cu were not different between the groups, while Zn levels were slightly higher in FOP as compared to controls (1110±251 vs. 970±176ng/ml, P=0.04). The average concentrations of cytokines and Activin A were not different. When focusing on the two patients with self-reported flare-ups, again no obvious differences were noted. The cytokines Eotaxin, G-CSF, hbFGF and TNF-α were within the upper half of measured concentrations, and may warrant further longitudinal analyses. Our data do not support the hypothesis that FOP patients display a characteristic pattern of trace elements or have a generally increased tone of pro-inflammatory cytokines.
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Affiliation(s)
- Laura Hildebrand
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité - Universitätsmedizin Berlin, Germany.
| | - Timo Gaber
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Germany.
| | - Peter Kühnen
- Institute for Pediatric Endocrinology, Charité - Universitätsmedizin Berlin, Germany.
| | - Rolf Morhart
- Klinik für Kinder- und Jugendmedizin, Garmisch-Partenkirchen Medical Center, Garmisch-Partenkirchen, Germany.
| | | | - Lutz Schomburg
- Institute for Experimental Endocrinology, Charité - Universitätsmedizin Berlin, Germany.
| | - Petra Seemann
- Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité - Universitätsmedizin Berlin, Germany.
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30
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Alves SA, Ribeiro AR, Gemini-Piperni S, Silva RC, Saraiva AM, Leite PE, Perez G, Oliveira SM, Araujo JR, Archanjo BS, Rodrigues ME, Henriques M, Celis JP, Shokuhfar T, Borojevic R, Granjeiro JM, Rocha LA. TiO2nanotubes enriched with calcium, phosphorous and zinc: promising bio-selective functional surfaces for osseointegrated titanium implants. RSC Adv 2017. [DOI: 10.1039/c7ra08263k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
TiO2nanotubes enriched with Ca, P, and Zn by reverse polarization anodization, are promising bio-selective functional structures for osseointegrated titanium implants.
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31
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Zinc Up-Regulates Insulin Secretion from β Cell-Like Cells Derived from Stem Cells from Human Exfoliated Deciduous Tooth (SHED). Int J Mol Sci 2016; 17:ijms17122092. [PMID: 27983594 PMCID: PMC5187892 DOI: 10.3390/ijms17122092] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 12/01/2016] [Accepted: 12/06/2016] [Indexed: 11/17/2022] Open
Abstract
Stem cells from human exfoliated deciduous tooth (SHED) offer several advantages over other stem cell sources. Using SHED, we examined the roles of zinc and the zinc uptake transporter ZIP8 (Zrt- and irt-like protein 8) while inducing SHED into insulin secreting β cell-like stem cells (i.e., SHED-β cells). We observed that ZIP8 expression increased as SHED differentiated into SHED-β cells, and that zinc supplementation at day 10 increased the levels of most pancreatic β cell markers-particularly Insulin and glucose transporter 2 (GLUT2). We confirmed that SHED-β cells produce insulin successfully. In addition, we note that zinc supplementation significantly increases insulin secretion with a significant elevation of ZIP8 transporters in SHED-β cells. We conclude that SHED can be converted into insulin-secreting β cell-like cells as zinc concentration in the cytosol is elevated. Insulin production by SHED-β cells can be regulated via modulation of zinc concentration in the media as ZIP8 expression in the SHED-β cells increases.
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32
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Hojyo S, Fukada T. Zinc transporters and signaling in physiology and pathogenesis. Arch Biochem Biophys 2016; 611:43-50. [DOI: 10.1016/j.abb.2016.06.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 06/23/2016] [Accepted: 06/28/2016] [Indexed: 12/11/2022]
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Abstract
![]()
Genetically encoded
FRET-based sensor proteins have significantly
contributed to our current understanding of the intracellular functions
of Zn2+. However, the external excitation required for
these fluorescent sensors can give rise to photobleaching and phototoxicity
during long-term imaging, limits applications that suffer from autofluorescence
and light scattering, and is not compatible with light-sensitive cells.
For these applications, sensor proteins based on Bioluminescence Resonance
Energy Transfer (BRET) would provide an attractive alternative. In
this work, we used the bright and stable luciferase NanoLuc to create
the first genetically encoded BRET sensors for measuring intracellular
Zn2+. Using a new sensor approach, the NanoLuc domain was
fused to the Cerulean donor domain of two previously developed FRET
sensors, eCALWY and eZinCh-2. In addition to preserving the excellent
Zn2+ affinity and specificity of their predecessors, these
newly developed sensors enable both BRET- and FRET-based detection.
While the dynamic range of the BRET signal for the eCALWY-based BLCALWY-1
sensor was limited by the presence of two competing BRET pathways,
BRET/FRET sensors based on the eZinCh-2 scaffold (BLZinCh-1 and -2)
yielded robust 25–30% changes in BRET ratio. In addition, introduction
of a chromophore-silencing mutation resulted in a BRET-only sensor
(BLZinCh-3) with increased BRET response (50%) and an unexpected 10-fold
increase in Zn2+ affinity. The combination of robust ratiometric
response, physiologically relevant Zn2+ affinities, and
stable and bright luminescence signal offered by the BLZinCh sensors
allowed monitoring of intracellular Zn2+ in plate-based
assays as well as intracellular BRET-based imaging in single living
cells in real time.
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Affiliation(s)
- Stijn J. A. Aper
- Laboratory
of Chemical Biology and Institute for Complex Molecular Systems (ICMS),
Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Pieterjan Dierickx
- Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
- Division
of Heart and Lungs, Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Maarten Merkx
- Laboratory
of Chemical Biology and Institute for Complex Molecular Systems (ICMS),
Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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34
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Aper SJ, Merkx M. Rewiring Multidomain Protein Switches: Transforming a Fluorescent Zn(2+) Sensor into a Light-Responsive Zn(2+) Binding Protein. ACS Synth Biol 2016; 5:698-709. [PMID: 27031076 DOI: 10.1021/acssynbio.6b00027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Protein-based sensors and switches provide attractive tools for the real-time monitoring and control of molecular processes in complex biological environments. Fluorescent sensor proteins have been developed for a wide variety of small molecules, but the construction of genetically encoded light-responsive ligand binding proteins remains mostly unexplored. Here we present a generic approach to reengineer a previously developed FRET-based Zn(2+) sensor into a light-activatable Zn(2+) binding protein using a design strategy based on mutually exclusive domain interactions. These so-called VividZn proteins consist of two light-responsive Vivid domains that homodimerize upon illumination with blue light, thus preventing the binding of Zn(2+) between two Zn(2+) binding domains, Atox1 and WD4. Following optimization of the linker between WD4 and the N-terminus of one of the Vivid domains, VividZn variants were obtained that show a 9- to 55-fold decrease in Zn(2+) affinity upon illumination, which is fully reversible following dark adaptation. The Zn(2+) affinities of the switch could be rationally tuned between 1 pM and 2 nM by systematic variation of linker length and mutation of one of the Zn(2+) binding residues. Similarly, introduction of mutations in the Vivid domains allowed tuning of the switching kinetics between 10 min and 7 h. Low expression levels in mammalian cells precluded the demonstration of light-induced perturbation of cytosolic Zn(2+) levels. Nonetheless, our results firmly establish the use of intramolecular Vivid dimerization as an attractive light-sensitive input module to rationally engineer light-responsive protein switches based on mutually exclusive domain interactions.
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Affiliation(s)
- Stijn J.A. Aper
- Laboratory
of Chemical Biology
and Institute for Complex Molecular Systems (ICMS), Department of
Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Maarten Merkx
- Laboratory
of Chemical Biology
and Institute for Complex Molecular Systems (ICMS), Department of
Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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Yin XF, Jiang LB, Ma YQ, Xu J, Gu HJ, Wu XH, Li XL, Dong J. Decreased Zn(2+) Influx Underlies the Protective Role of Hypoxia in Rat Nucleus Pulposus Cells. Biol Trace Elem Res 2015; 168:196-205. [PMID: 25910898 DOI: 10.1007/s12011-015-0335-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 04/06/2015] [Indexed: 01/08/2023]
Abstract
Zn(2+) is an essential component of metalloproteinases, and is required for their activity in cartilage; however, the effect of Zn(2+) on nucleus pulposus (NP) cells has not been widely investigated. The aim of this paper was to investigate the effect of intracellular Zn(2+) concentration ([Zn(2+)]i) in hypoxia-induced regulation of metalloproteinases (MMPs) and extracellular matrix (ECM) production in NP cells. NP cells from Sprague-Dawley (SD) rats were cultured as monolayers or in alginate beads. [Zn(2+)]i was assayed by FluoZin-3 AM staining. Alcian Blue staining, immunochemistry, 1,9-dimethylmethylene blue (DMMB) assay, and real-time PCR were used to assay collagen II, proteoglycan, and COL2A1, MMP-13, and ADAMTS-5 mRNA expression. ZIP8, a main Zn(2+) transporter in chondrocytes, was assayed by immunochemistry and in Western blotting. Interleukin (IL)-1β- and ZnCl2-induced increases of [Zn(2+)]i were significantly inhibited by hypoxia. Hypoxia did not reverse a decline of ECM expression caused by IL-1β and ZnCl2 in monolayer cultures, but did significantly attenuate the decreases of proteoglycan, glycosaminoglycan (GAG), and COL2A1 mRNA expression following IL-1β and ZnCl2 treatment in alginate bead cultures. However, ZnCl2 inhibited the protective effect of hypoxia. Both an intracellular Zn(2+) chelator and hypoxia prevented the increase in MMP-13 mRNA expression. IL-1β and ZnCl2 treatment increased ZIP8 expression in NP cells, and hypoxia inhibited ZIP8 expression. In conclusion, decrease of Zn(2+) influx mediates the protective role of hypoxia on ECM and MMP-13 expression. Consequently, changes in intracellular Zn(2+) concentration maybe involved in intervertebral disc degeneration.
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Affiliation(s)
- Xiao-Fan Yin
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
- Department of Orthopedic Surgery, Minhang Hospital, Fudan University, Shanghai, China
| | - Li-Bo Jiang
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Yi-Qun Ma
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China
| | - Jun Xu
- Department of Orthopedic Surgery, Minhang Hospital, Fudan University, Shanghai, China
| | - Hui-Jie Gu
- Department of Orthopedic Surgery, Minhang Hospital, Fudan University, Shanghai, China
| | - Xu-Hua Wu
- Department of Orthopedic Surgery, Minhang Hospital, Fudan University, Shanghai, China
| | - Xi-Lei Li
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
| | - Jian Dong
- Department of Orthopedic Surgery, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
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36
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Xin L, Yang X, Cai G, Fan D, Xia Q, Liu L, Hu Y, Ding N, Xu S, Wang L, Li X, Zou Y, Pan F. Serum Levels of Copper and Zinc in Patients with Rheumatoid Arthritis: a Meta-analysis. Biol Trace Elem Res 2015; 168:1-10. [PMID: 25869414 DOI: 10.1007/s12011-015-0325-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2014] [Accepted: 03/25/2015] [Indexed: 02/05/2023]
Abstract
Many publications with conflicting results have evaluated serum levels of copper (Cu) and zinc (Zn) in patients with rheumatoid arthritis (RA). To derive a more precise estimation of the relationship, a meta-analysis was conducted. Relevant published data were retrieved through PubMed, Chinese National Knowledge Infrastructure (CNKI), and Chinese Biomedical Database (CBM) before September 20, 2014. Weighted mean difference (WMD) with a 95 % confidence interval (95 % CI) was calculated using STATA 11.0. A total of 26 studies, including 1444 RA cases and 1241 healthy controls, were collected in this meta-analysis. Pooled analysis found that patients with RA had a higher serum level of Cu and a lower serum Zn level than the healthy controls (Cu (μg/dl), WMD = 31.824, 95 % CI = 20.334, 43.314; Zn (μg/dl), WMD = -12.683, 95 % CI = -19.783, -5.584). Subgroup analysis showed that ethnicity had influence on the serum level of Cu (μg/dl) (Caucasian, WMD = 43.907, 95 % CI = 35.090, 52.723, P < 0.001; Asian, WMD = 14.545, 95 % CI = -12.365, 41.455, P = 0.289) and Zn (μg/dl) (Caucasian, WMD = -11.038, 95 % CI = -23.420, 1.344, P = 0.081; Asian, WMD = -14.179, 95 % CI = -18.963, -9.394, P < 0.001) in RA and healthy controls. No evidence of publication bias was observed. This meta-analysis suggests that increased serum level of Cu and decreased serum level of Zn are generally present in RA patients.
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Affiliation(s)
- Lihong Xin
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Xiao Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Guoqi Cai
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Dazhi Fan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Qing Xia
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Li Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Yanting Hu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Ning Ding
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Shengqian Xu
- Department of Rheumatism and Immunity, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Li Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Xiaona Li
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Yanfeng Zou
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China
| | - Faming Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, 230032, China.
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37
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Notomi T, Kuno M, Hiyama A, Ohura K, Noda M, Skerry TM. Zinc-Induced Effects on Osteoclastogenesis Involves Activation of Hyperpolarization-Activated Cyclic Nucleotide Modulated Channels via Changes in Membrane Potential. J Bone Miner Res 2015; 30:1618-26. [PMID: 25762086 DOI: 10.1002/jbmr.2507] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Revised: 02/21/2015] [Accepted: 03/07/2015] [Indexed: 01/30/2023]
Abstract
Zinc is a trace element in the mammalian body, and increasing evidence shows its critical role in bone development and osteoclastogenesis. The relationships between zinc and voltage-gated ion channels have been reported; however, the effects of zinc on membrane potential and the related ion channels remain unknown. In this study, we found that zinc-induced hyperpolarization in RAW264.7 cells (RAW) was promoted by inhibition of hyperpolarization-activated cyclic nucleotide modulated channels (HCNs). In electrophysiological experiments with RAW-derived osteoclasts, HCNs were functional and generated hyperpolarization-activated inward currents (Ih) with properties similar to the Ih recorded in excitable cells such as neurons and cardiomyocytes. Quantitative PCR of HCN subunits HCN1 and HCN4 in RAW cells showed detectable levels of HCN1 mRNA and HCN4 expression was the highest of all four subunits. HCN4 knockdown decreased osteoclastic Ih and promoted osteoclastogenesis in the presence of zinc, but not in the absence of zinc. To determine the effect of membrane hyperpolarization on osteoclastogenesis, we developed a light-controllable membrane potential system in RAW cells by stably expressing the light-driven outward proton pump, Archaerhodopsin3 (Arch). Arch activation by yellow-green light hyperpolarizes the cell membrane. Light-induced hyperpolarization accelerated osteoclast differentiation in the presence of receptor activator of nuclear factor kappa-B ligand (RANKL). Thus, HCN activation reduced the hyperpolarization-related promotion of osteoclast differentiation in the presence of zinc. This study revealed the novel role of HCN and membrane potential in non-excitable osteoclasts.
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Affiliation(s)
- Takuya Notomi
- The Mellanby Centre for Bone Research, Department of Human Metabolism, University of Sheffield, Sheffield, UK.,Department of Physiology, Graduate School of Medicine, Osaka City University, Osaka, Japan.,Department of Molecular Pharmacology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan.,Global Center of Excellence Program for Molecular Science for Tooth and Bone Diseases, Tokyo Medical and Dental University, Tokyo, Japan.,Department of Pharmacology, Osaka Dental University, Osaka, Japan
| | - Miyuki Kuno
- Department of Physiology, Graduate School of Medicine, Osaka City University, Osaka, Japan
| | - Akiko Hiyama
- Department of Pharmacology, Osaka Dental University, Osaka, Japan
| | - Kiyoshi Ohura
- Department of Pharmacology, Osaka Dental University, Osaka, Japan
| | - Masaki Noda
- Department of Molecular Pharmacology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan.,Global Center of Excellence Program for Molecular Science for Tooth and Bone Diseases, Tokyo Medical and Dental University, Tokyo, Japan
| | - Timothy M Skerry
- The Mellanby Centre for Bone Research, Department of Human Metabolism, University of Sheffield, Sheffield, UK
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38
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Wang SM, Yin LY, Zhang Y, Fan JH, Chang IJ, Dawsey SM, Taylor PR, Abnet CC, Qiao YL. Multivitamin and mineral supplementation is associated with the reduction of fracture risk and hospitalization rate in Chinese adult males: a randomized controlled study. J Bone Miner Metab 2015; 33:294-302. [PMID: 24849736 PMCID: PMC5878018 DOI: 10.1007/s00774-014-0589-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2013] [Accepted: 03/27/2014] [Indexed: 12/31/2022]
Abstract
Controversy exists in the literature regarding the efficacy of bone health-related nutrients, especially calcium and vitamin D, in preventing fractures. The aim of our present study was to determine the effect of multivitamin and mineral supplementation on fracture incidence among 3,318 participants from a nutritional intervention trial in Linxian, China. A total of 1,461 men and 1,857 women were enrolled and randomized to daily supplementation with 26 vitamins and minerals tablet or placebo pills for 6 years, followed by a 16-year post-interventional follow-up. The dates, sites, and causes of the fractures were collected retrospectively via a standardized questionnaire. Cox proportional hazard model was used to estimate hazard ratios and 95% confidence intervals of fracture incidence in the intervention versus the placebo group. A total of 221 fractures (57 in men and 164 in women) occurred during the entire study period of 21 years and 9 months. In men, the supplement reduced the risk of fracture by 63% during the trial period, and this protective effect was sustained and statistically significant when analysis included both the trial period and 5- or 10-year post-intervention follow-up (years 0-11, P = 0.04; years 0-16, P = 0.02, respectively). The protection against fracture was not apparent >10 years after cessation of the intervention. In women, no significant effect of supplementation on fracture incidence was seen in any of the study periods. These results demonstrate that a 6-year multivitamin and mineral intervention was associated with significant reduction of fracture risk and fracture-related hospitalization in men, but not in women.
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Affiliation(s)
- Shao-Ming Wang
- Cancer Institute/Hospital,, Chinese Academy of Medical Sciences, (17# South Panjiayuan Lane, Chaoyang District, Beijing 100021, People’s Republic of China)
| | - Liang-Yu Yin
- Cancer Institute/Hospital,, Chinese Academy of Medical Sciences, (17# South Panjiayuan Lane, Chaoyang District, Beijing 100021, People’s Republic of China)
| | - Yu Zhang
- Cancer Institute/Hospital,, Chinese Academy of Medical Sciences, (17# South Panjiayuan Lane, Chaoyang District, Beijing 100021, People’s Republic of China)
| | - Jin-Hu Fan
- Cancer Institute/Hospital,, Chinese Academy of Medical Sciences, (17# South Panjiayuan Lane, Chaoyang District, Beijing 100021, People’s Republic of China)
| | - Irene J. Chang
- Miller School of Medicine, University of Miami, (1150 Northwest 14th Street, Miami, FL 33136, United States of America)
| | - Sanford M. Dawsey
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, (6120 Executive Boulevard, MSC 7242, Bethesda, Maryland 20892-7335, United States of America)
| | - Philip R. Taylor
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, (6120 Executive Boulevard, MSC 7242, Bethesda, Maryland 20892-7335, United States of America)
| | - Christian C. Abnet
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, (6120 Executive Boulevard, MSC 7242, Bethesda, Maryland 20892-7335, United States of America)
- Correspondence to both: You-Lin Qiao, Department of Epidemiology, Cancer Institute, Chinese Academy of Medical Sciences, 17# South Panjiayuan Lane, Chaoyang District, Beijing 100021, PR China, Phone: 011-86-10-8778-8489, Fax: 011-86-10-6771-3648, ; Christian C. Abnet, Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Executive Plaza South, Room 3042, 6120 Executive Boulevard, MSC 7232, Bethesda, Maryland 20892-7232, Phone: 301-594-1511, Fax: 301-496-6829,
| | - You-Lin Qiao
- Cancer Institute/Hospital,, Chinese Academy of Medical Sciences, (17# South Panjiayuan Lane, Chaoyang District, Beijing 100021, People’s Republic of China)
- Correspondence to both: You-Lin Qiao, Department of Epidemiology, Cancer Institute, Chinese Academy of Medical Sciences, 17# South Panjiayuan Lane, Chaoyang District, Beijing 100021, PR China, Phone: 011-86-10-8778-8489, Fax: 011-86-10-6771-3648, ; Christian C. Abnet, Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Executive Plaza South, Room 3042, 6120 Executive Boulevard, MSC 7232, Bethesda, Maryland 20892-7232, Phone: 301-594-1511, Fax: 301-496-6829,
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Liu W, Su P, Gonzales A, Chen S, Wang N, Wang J, Li H, Zhang Z, Webster TJ. Optimizing stem cell functions and antibacterial properties of TiO2 nanotubes incorporated with ZnO nanoparticles: experiments and modeling. Int J Nanomedicine 2015; 10:1997-2019. [PMID: 25792833 PMCID: PMC4364596 DOI: 10.2147/ijn.s74418] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
To optimize mesenchymal stem cell differentiation and antibacterial properties of titanium (Ti), nano-sized zinc oxide (ZnO) particles with tunable concentrations were incorporated into TiO2 nanotubes (TNTs) using a facile hydrothermal strategy. It is revealed here for the first time that the TNTs incorporated with ZnO nanoparticles exhibited better biocompatibility compared with pure Ti samples (controls) and that the amount of ZnO (tailored by the concentration of Zn(NO3)2 in the precursor) introduced into TNTs played a crucial role on their osteogenic properties. Not only was the alkaline phosphatase activity improved to about 13.8 U/g protein, but the osterix, collagen-I, and osteocalcin gene expressions was improved from mesenchymal stem cells compared to controls. To further explore the mechanism of TNTs decorated with ZnO on cell functions, a response surface mathematical model was used to optimize the concentration of ZnO incorporation into the Ti nanotubes for stem cell differentiation and antibacterial properties for the first time. Both experimental and modeling results confirmed (R2 values of 0.8873–0.9138 and 0.9596–0.9941, respectively) that Ti incorporated with appropriate concentrations (with an initial concentration of Zn(NO3)2 at 0.015 M) of ZnO can provide exceptional osteogenic properties for stem cell differentiation in bone cells with strong antibacterial effects, properties important for improving dental and orthopedic implant efficacy.
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Affiliation(s)
- Wenwen Liu
- Laboratory of Biomaterials and Biomechanics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, People's Republic of China ; Photoelectrochemical Research Group, Key Laboratory of Advanced Functional Materials, School of Materials Science and Engineering, Beijing University of Technology, Beijing, People's Republic of China ; Chemical Engineering Department, Northeastern University, Boston, MA, USA
| | - Penglei Su
- Photoelectrochemical Research Group, Key Laboratory of Advanced Functional Materials, School of Materials Science and Engineering, Beijing University of Technology, Beijing, People's Republic of China
| | - Arthur Gonzales
- Chemical Engineering Department, Northeastern University, Boston, MA, USA
| | - Su Chen
- Laboratory of Biomaterials and Biomechanics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, People's Republic of China
| | - Na Wang
- Laboratory of Biomaterials and Biomechanics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, People's Republic of China
| | - Jinshu Wang
- Photoelectrochemical Research Group, Key Laboratory of Advanced Functional Materials, School of Materials Science and Engineering, Beijing University of Technology, Beijing, People's Republic of China
| | - Hongyi Li
- Photoelectrochemical Research Group, Key Laboratory of Advanced Functional Materials, School of Materials Science and Engineering, Beijing University of Technology, Beijing, People's Republic of China ; Guangxi Research Institute of Chemical Industry, Nanning, People's Republic of China
| | - Zhenting Zhang
- Laboratory of Biomaterials and Biomechanics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, People's Republic of China
| | - Thomas J Webster
- Chemical Engineering Department, Northeastern University, Boston, MA, USA ; Center of Excellence for Advanced Materials Research, King Abdulaziz University, Jeddah, Saudi Arabia
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40
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Rezende VB, Barbosa F, Palei AC, Cavalli RC, Tanus-Santos JE, Sandrim VC. Correlations among antiangiogenic factors and trace elements in hypertensive disorders of pregnancy. J Trace Elem Med Biol 2015; 29:130-5. [PMID: 25053574 DOI: 10.1016/j.jtemb.2014.06.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 06/12/2014] [Accepted: 06/23/2014] [Indexed: 12/11/2022]
Abstract
Although a number of studies have measured circulating levels of some trace elements in preeclampsia (PE) and compared to healthy pregnant (HP), there is no consensus yet about the deficiency of some metals and development of hypertensive disorders in pregnancy. The aim of this study was to compare plasmatic levels of Zn, Mn, Co, Cu, Se and Sr among non-pregnant (NP), healthy pregnant (HP), gestational hypertensive (GH) and preeclamptic (PE) women and to correlate these levels with plasma soluble endoglin (sENG) and soluble fms-like tyrosine kinase-1 (sFLT-1), two important antiangiogenic proteins related to PE. A total of 184 women were enrolled in this study (NP=35, GH=51, PE=37 and HP=61). Trace element analyses were carried out with an inductively coupled plasma mass spectrometer (ICPMS). sENG and sFLT-1 plasma concentrations were measured by commercial ELISA kits. The most interesting result is that Sr is higher in PE (63%, P<0.001) compared to HP and their levels are positively correlated with sENG in all three groups of pregnant women. Moreover, we found a negative correlation between Zn and sENG in HP (r=-0.43, P=0.003). Regarding other elements, we found similar levels among pregnant groups. In conclusion, this study showed that Sr may has a role in physiopathology of PE.
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Affiliation(s)
- Vania B Rezende
- Department of Clinical, Toxicological and Bromatological Analysis, Faculty of Pharmaceutical Sciences of University of São Paulo - USP, Ribeirao Preto, SP, Brazil
| | - Fernando Barbosa
- Department of Clinical, Toxicological and Bromatological Analysis, Faculty of Pharmaceutical Sciences of University of São Paulo - USP, Ribeirao Preto, SP, Brazil
| | - Ana C Palei
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, Campinas, SP, Brazil
| | - Ricardo C Cavalli
- Department of Gynecology and Obstetrics, Faculty of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Jose E Tanus-Santos
- Department of Pharmacology, Faculty of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Valeria C Sandrim
- Department of Pharmacology, Institute of Biosciences, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil; Center for Toxicological Assistance - CEATOX, Institute of Biosciences, Universidade Estadual Paulista (UNESP), Botucatu, SP, Brazil.
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41
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El-Farghali O, El-Wahed MA, Hassan NE, Imam S, Alian K. Early Zinc Supplementation and Enhanced Growth of the Low-Birth Weight Neonate. Open Access Maced J Med Sci 2014; 3:63-8. [PMID: 27275198 PMCID: PMC4877790 DOI: 10.3889/oamjms.2015.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 11/28/2014] [Accepted: 11/29/2014] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: Nutritional deficits are almost universal in Low-Birth Weight babies. Zinc is essential for normal infant growth and its supplementation assists growth probably through insulin-like growth factor-1. AIM: This double-blind randomized-controlled trial aimed at evaluating the role of zinc in catch-up growth of low-birth-weight infants and investigating its proposed mediator. MATERIAL AND METHODS: The study was conducted in Ain Shams University Maternity Hospital. Two hundred low-birth-weight neonates were simply randomized to either oral zinc therapy or placebo. Anthropometric measurements were recorded at birth, 3, 6, and 12 months; including weight, recumbent length, head, waist, chest, and mid-upper arm circumferences, and triceps and sub-scapular skin fold thickness. RESULTS: We found that initial and 3-months measurements, except weight, were comparable in the 2 groups. All measurements at 6- and 12-months, except sub-scapular skin-fold-thickness, were significantly higher in zinc group than placebo. Catch-up growth, at 12-months, was significant in zinc group and was significantly higher in appropriate-for-gestational-age vs. small-for-gestational-age, in preterm vs. term, and in male vs. female infants. The median 6-months insulin-like growth factor-1 levels were significantly higher in zinc group. CONCLUSION: We conclude that early start of oral zinc supplementation in low-birth-weight neonates assists catch-up growth, probably through rise of insulin-like growth factor-1.
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Affiliation(s)
- Ola El-Farghali
- Ain Shams University, Children's Hospital Cairo, Abbassia sq., Cairo 11351, Egypt
| | - Mohamed Abd El-Wahed
- Ain Shams University, Children's Hospital Cairo, Abbassia sq., Cairo 11351, Egypt
| | - Nayera E Hassan
- National Research Centre - Biological Anthropology, National Research Centre, ElBuhose street, Dokki, Giza, Egypt
| | - Safaa Imam
- Ain Shams University, Children's Hospital Cairo, Abbassia sq., Cairo 11351, Egypt
| | - Khadija Alian
- National Research Centre - Biological Anthropology, National Research Centre, ElBuhose street, Dokki, Giza, Egypt
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42
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Zinc transporter SLC39A10/ZIP10 controls humoral immunity by modulating B-cell receptor signal strength. Proc Natl Acad Sci U S A 2014; 111:11786-91. [PMID: 25074919 DOI: 10.1073/pnas.1323557111] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The humoral immune response, also called the antibody-mediated immune response, is one of the main adaptive immune systems. The essential micronutrient zinc (Zn) is known to modulate adaptive immune responses, and dysregulated Zn homeostasis leads to immunodeficiency. However, the molecular mechanisms underlying this Zn-mediated modulation are largely unknown. Here, we show that the Zn transporter SLC39A10/ZIP10 plays an important role in B-cell antigen receptor (BCR) signal transduction. Zip10-deficiency in mature B cells attenuated both T-cell-dependent and -independent immune responses in vivo. The Zip10-deficient mature B cells proliferated poorly in response to BCR cross-linking, as a result of dysregulated BCR signaling. The perturbed signaling was found to be triggered by a reduction in CD45R phosphatase activity and consequent hyperactivation of LYN, an essential protein kinase in BCR signaling. Our data suggest that ZIP10 functions as a positive regulator of CD45R to modulate the BCR signal strength, thereby setting a threshold for BCR signaling in humoral immune responses.
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43
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Zinc transporter SLC39A10/ZIP10 facilitates antiapoptotic signaling during early B-cell development. Proc Natl Acad Sci U S A 2014; 111:11780-5. [PMID: 25074913 DOI: 10.1073/pnas.1323549111] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The immune system is influenced by the vital zinc (Zn) status, and Zn deficiency triggers lymphopenia; however, the mechanisms underlying Zn-mediated lymphocyte maintenance remain elusive. Here we investigated ZIP10, a Zn transporter expressed in the early B-cell developmental process. Genetic ablation of Zip10 in early B-cell stages resulted in significant reductions in B-cell populations, and the inducible deletion of Zip10 in pro-B cells increased the caspase activity in parallel with a decrease in intracellular Zn levels. Similarly, the depletion of intracellular Zn by a chemical chelator resulted in spontaneous caspase activation leading to cell death. Collectively, these findings indicated that ZIP10-mediated Zn homeostasis is essential for early B-cell survival. Moreover, we found that ZIP10 expression was regulated by JAK-STAT pathways, and its expression was correlated with STAT activation in human B-cell lymphoma, indicating that the JAK-STAT-ZIP10-Zn signaling axis influences the B-cell homeostasis. Our results establish a role of ZIP10 in cell survival during early B-cell development, and underscore the importance of Zn homeostasis in immune system maintenance.
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44
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Dorst K, Rammelkamp D, Hadjiargyrou M, Meng Y. The Effect of Exogenous Zinc Concentration on the Responsiveness of MC3T3-E1 Pre-Osteoblasts to Surface Microtopography: Part II (Differentiation). MATERIALS 2014; 7:1097-1112. [PMID: 28788502 PMCID: PMC5453094 DOI: 10.3390/ma7021097] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 01/24/2014] [Accepted: 01/28/2014] [Indexed: 02/04/2023]
Abstract
Osseointegration of bone implants is a vital part of the recovery process. Numerous studies have shown that micropatterned geometries can promote cell-substrate associations and strengthen the bond between tissue and the implanted material. As demonstrated previously, exogenous zinc levels can influence the responsiveness of pre-osteoblasts to micropatterns and modify their migratory behavior. In this study, we sought to determine the effect of exogenous zinc on differentiation of osteoblasts cultured on micropatterned vs. planar substrates. Levels of activated metalloproteinase-2 (MMP-2) and transforming growth factor-beta 1 (TGF-β1), as well as early stage differentiation marker alkaline phosphatase, were altered with the addition of zinc. These results suggest that exogenous zinc concentration and micropatterning may interdependently modulate osteoblast differentiation.
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Affiliation(s)
- Kathryn Dorst
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
| | - Derek Rammelkamp
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
| | - Michael Hadjiargyrou
- Department of Life Sciences, New York Institute of Technology, Old Westbury, NY 11568-8000, USA.
| | - Yizhi Meng
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
- Department of Chemical and Molecular Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
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Haase H, Rink L. Zinc signals and immune function. Biofactors 2014; 40:27-40. [PMID: 23804522 DOI: 10.1002/biof.1114] [Citation(s) in RCA: 158] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 04/23/2013] [Accepted: 04/25/2013] [Indexed: 12/21/2022]
Abstract
For more than 50 years, it has been known that zinc deficiency compromises immune function. During this time, knowledge about the biochemistry of zinc has continued to grow, but only recent years have provided in-depth molecular insights into the multiple aspects of zinc as a regulator of immunity. A network based on ZnT and ZIP proteins for transport and metallothionein for storage tightly regulates zinc availability, and virtually all aspects of innate and adaptive immunity are affected by zinc. In vivo, zinc deficiency alters the number and function of neutrophil granulocytes, monocytes, natural killer (NK)-, T-, and B-cells. T cell functions and balance between the different subsets are particularly susceptible to changes in zinc status. This article focuses in particular on the main mechanisms by which zinc ions exert essential functions in the immune system. On the one hand, this includes tightly protein bound zinc ions serving catalytic or structural functions in a multitude of different proteins, in particular enzymes and transcription factors. On the other hand, increasing evidence arises for a regulatory role of free zinc ions in signal transduction, especially in cells of the immune system. Identification of several molecular targets, including phosphatases, phosphodiesterases, caspases, and kinases suggest that zinc ions are a second messenger regulating signal transduction in various kinds of immune cells.
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Affiliation(s)
- Hajo Haase
- Institute of Immunology, Medical Faculty, RWTH Aachen University, Pauwelsstrasse 30, Aachen, Germany
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Dorst K, Rammelkamp D, Hadjiargyrou M, Gersappe D, Meng Y. The Effect of Exogenous Zinc Concentration on the Responsiveness of MC3T3-E1 Pre-Osteoblasts to Surface Microtopography: Part I (Migration). MATERIALS 2013; 6:5517-5532. [PMID: 28788406 PMCID: PMC5452741 DOI: 10.3390/ma6125517] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 11/11/2013] [Accepted: 11/21/2013] [Indexed: 12/27/2022]
Abstract
Initial cell-surface interactions are guided by the material properties of substrate topography. To examine if these interactions are also modulated by the presence of zinc, we seeded murine pre-osteoblasts (MC3T3-E1, subclone 4) on micropatterned polydimethylsiloxane (PDMS) containing wide (20 µm width, 30 µm pitch, 2 µm height) or narrow (2 µm width, 10 µm pitch, 2 µm height) ridges, with flat PDMS and tissue culture polystyrene (TC) as controls. Zinc concentration was adjusted to mimic deficient (0.23 µM), serum-level (3.6 µM), and zinc-rich (50 µM) conditions. Significant differences were observed in regard to cell morphology, motility, and contact guidance. We found that cells exhibited distinct anisotropic migration on the wide PDMS patterns under either zinc-deprived (0.23 µM) or serum-level zinc conditions (3.6 µM). However, this effect was absent in a zinc-rich environment (50 µM). These results suggest that the contact guidance of pre-osteoblasts may be partly influenced by trace metals in the microenvironment of the extracellular matrix.
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Affiliation(s)
- Kathryn Dorst
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
| | - Derek Rammelkamp
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
| | - Michael Hadjiargyrou
- Department of Life Sciences, New York Institute of Technology, Old Westbury, NY 11568-8000, USA.
| | - Dilip Gersappe
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
- Department of Chemical and Molecular Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
| | - Yizhi Meng
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
- Department of Chemical and Molecular Engineering, Stony Brook University, Stony Brook, NY 11794-2275, USA.
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Sun P, Wang S, Jiang Y, Tao Y, Tian Y, Zhu K, Wan H, Zhang L, Zhang L. Zip1, Zip2, and Zip8 mRNA expressions were associated with growth hormone level during the growth hormone provocation test in children with short stature. Biol Trace Elem Res 2013; 155:11-22. [PMID: 23921484 DOI: 10.1007/s12011-013-9764-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Accepted: 07/14/2013] [Indexed: 01/08/2023]
Abstract
Short stature of children is affected by multiple factors. One of them is growth hormone (GH) deficiency. Growth hormone therapy can increase the final height of children with growth hormone deficiency. Zinc is found to induce dimerization and to enhance the bioactivity of human GH. Two gene families have been identified involved in zinc homeostasis. Previous studies in our laboratory have shown that Zip1, Zip2, Zip6, and ZnT1 mRNA were associated with zinc level in established human breast cancer in nude mice model; Zip8 was significantly lower in zinc-deficient Wistar rats in kidney. In this study, five zinc transporters: Zip1, Zip2, Zip6, Zip8, and ZnT1 were chosen. We aimed to investigate the mRNA expression of zinc transporters and to explore the relationship between zinc transporters and growth hormone in short stature children. Growth hormone provocation test is used to confirm the diagnosis of growth hormone deficiency. Six short children for the test were enrolled. At the same time, 15 sex- and age-matched normal children were enrolled as control. The expression levels of zinc transporters in peripheral blood mononuclear cells were determined by quantitative real-time PCR. Zip1 and Zip2 mRNA expression positively correlated with growth hormone level (r = 0.5133, P = 0.0371; r = 0.6719, P = 0.0032); Zip8 mRNA expression negatively correlated with growth hormone level (r = -0.5264, P = 0.0285) during the test in short stature children. The average expression level of Zip2 was significantly higher and Zip6, Zip8 mRNA levels were significantly lower in short stature children than in health controls at 0 min (P < 0.05, P < 0.05).
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Affiliation(s)
- Ping Sun
- Department of Biochemistry and Molecular Biology, Shandong University School of Medicine, Jinan, Shandong, China
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Sarwar MS, Ahmed S, Ullah MS, Kabir H, Rahman GKMM, Hasnat A, Islam MS. Comparative study of serum zinc, copper, manganese, and iron in preeclamptic pregnant women. Biol Trace Elem Res 2013; 154:14-20. [PMID: 23749478 DOI: 10.1007/s12011-013-9721-9] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2013] [Accepted: 05/29/2013] [Indexed: 01/27/2023]
Abstract
Preeclampsia complicates 2-8 % of all pregnancies and it is one of the leading causes of maternal mortality and pre-term delivery in the world. Unfortunately, there is scarcity of document discussing the circulating level of several essential trace elements in preeclampsia patients in Bangladesh. The present study was designed to evaluate the serum concentration of four trace elements, namely zinc, copper, manganese, and iron, in preeclamptic pregnant women. The study was conducted as a case-control study with 50 preeclamptic pregnant women as cases and 58 normotensive pregnant women as controls. Obstetric, anthropometric, and clinical data were collected at routine obstetric visits. Serum trace elements were determined by flame atomic absorption spectroscopy. Independent sample t test and Pearson's correlation test were done for the statistical analysis using the statistical software package SPSS, version 16.0 (SPSS Inc., Chicago, IL). We observed significant differences for gestational age, body mass index, and systolic and diastolic blood pressure between patient and control groups (p < 0.05). Analysis of serum trace elements explored significantly lower level of all the four elements in preeclampsia patients in comparison to the control group (p < 0.05). Pearson's correlation analysis explored that the correlation between serum level of different trace elements was statistically insignificant (p > 0.05) except the correlation between zinc and iron in preeclampsia patients (p < 0.05). Establishment of inter-element relationship strongly supports that there was a disturbance in the element homeostasis in patient with preeclampsia. In conclusion, our study suggests that preeclampsia patients have considerably lower level of serum zinc, copper, manganese, and iron compared to the healthy pregnant women.
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Affiliation(s)
- Md Shahid Sarwar
- Department of Pharmacy, Noakhali Science and Technology University, Sonapur, Noakhali 3814, Bangladesh
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Abstract
The vast knowledge of the physiologic functions of zinc in at least 3000 proteins and the recent recognition of fundamental regulatory functions of zinc(II) ions released from cells or within cells links this nutritionally essential metal ion to numerous diseases. However, this knowledge so far has had remarkably limited impact on diagnosing, preventing, and treating human diseases. One major roadblock is a lack of suitable biomarkers that would detect changes in cellular zinc metabolism and relate them to specific disease outcomes. It is not only the right amount of zinc in the diet that maintains health. At least as important is the proper functioning of the dozens of proteins that control cellular zinc homeostasis, regulate intracellular traffic of zinc between the cytosol and vesicles/organelles, and determine the fluctuations of signaling zinc(II) ions. Cellular zinc deficiencies or overloads, a term referring to zinc concentrations exceeding the cellular zinc buffering capacity, compromise the redox balance. Zinc supplementation may not readily remedy zinc deficiency if other factors limit the capability of a cell to control zinc. The role of zinc in human diseases requires a general understanding of the wide spectrum of functions of zinc, how zinc is controlled, how it interacts with the metabolism of other metal ions, in particular copper and iron, and how perturbation of specific zinc-dependent molecular processes causes disease and influences the progression of disease.
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