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Bouchra Sakhi I, De Combiens E, Frachon N, Durussel F, Brideau G, Nemazanyy I, Frère P, Thévenod F, Lee WK, Zeng Q, Klein C, Lourdel S, Bignon Y. A novel transgenic mouse model highlights molecular disruptions involved in the pathogenesis of Dent disease 1. Gene 2024; 928:148766. [PMID: 39019097 DOI: 10.1016/j.gene.2024.148766] [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: 03/08/2024] [Revised: 07/02/2024] [Accepted: 07/12/2024] [Indexed: 07/19/2024]
Abstract
Dent disease (DD) is a hereditary renal disorder characterized by low molecular weight (LMW) proteinuria and progressive renal failure. Inactivating mutations of the CLCN5 gene encoding the 2Cl-/H+exchanger ClC-5 have been identified in patients with DD type 1. ClC-5 is essentially expressed in proximal tubules (PT) where it is thought to play a role in maintaining an efficient endocytosis of LMW proteins. However, the exact pathological roles of ClC-5 in progressive dysfunctions observed in DD type 1 are still unclear. To address this issue, we designed a mouse model carrying the most representative type of ClC-5 missense mutations found in DD patients. These mice showed a characteristic DD type 1 phenotype accompanied by altered endo-lysosomal system and autophagy functions. With ageing, KI mice showed increased renal fibrosis, apoptosis and major changes in cell metabolic functions as already suggested in previous DD models. Furthermore, we made the interesting new discovery that the Lipocalin-2-24p3R pathway might be involved in the progression of the disease. These results suggest a crosstalk between the proximal and distal nephron in the pathogenesis mechanisms involved in DD with an initial PT impairment followed by the Lipocalin-2 internalisation and 24p3R overexpression in more distal segments of the nephron. This first animal model of DD carrying a pathogenic mutation of Clcn5 and our findings pave the way aimed at finding therapeutic strategies to limit the consequences of ClC-5 disruption in patients with DD type 1 developing chronic kidney disease.
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Affiliation(s)
- Imene Bouchra Sakhi
- University of Zurich - Institute of Anatomy, Zurich CH-8057, Switzerland; Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris F-75006, France; CNRS EMR8228, Paris F-75006, France.
| | - Elise De Combiens
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris F-75006, France; CNRS EMR8228, Paris F-75006, France
| | - Nadia Frachon
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris F-75006, France; CNRS EMR8228, Paris F-75006, France
| | - Fanny Durussel
- Department of Biomedical Sciences, University of Lausanne, Switzerland
| | - Gaelle Brideau
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris F-75006, France; CNRS EMR8228, Paris F-75006, France
| | - Ivan Nemazanyy
- Platform for Metabolic Analyses, Structure Fédérative de Recherche Necker, INSERM US24/CNRS UAR 3633, Paris, France
| | - Perrine Frère
- Sorbonne Université, INSERM, Unité mixte de Recherche 1155, Kidney Research Centre, AP-HP, Hôpital Tenon, Paris, France
| | - Frank Thévenod
- Institute for Physiology, Pathophysiology and Toxicology, Center for Biomedical Education and Research, Witten/Herdecke University, Witten, Germany; Physiology and Pathophysiology of Cells and Membranes, Medical School OWL, Bielefeld University, Bielefeld, Germany
| | - Wing-Kee Lee
- Physiology and Pathophysiology of Cells and Membranes, Medical School OWL, Bielefeld University, Bielefeld, Germany
| | - Qinghe Zeng
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris F-75006, France; Laboratoire d'Informatique Paris Descartes (LIPADE), Université Paris Cité, Paris, France
| | - Christophe Klein
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris F-75006, France
| | - Stéphane Lourdel
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université Paris Cité, Paris F-75006, France; CNRS EMR8228, Paris F-75006, France
| | - Yohan Bignon
- Department of Biomedical Sciences, University of Lausanne, Switzerland.
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2
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Silva AS, Cortinhas CS, Acedo TS, Morenz MJF, Lopes FCF, Arrigoni MB, Ferreira MH, Jaguaribe TL, Ferreira LD, Gouvêa VN, Pereira LGR. Effects of feeding 25-hydroxyvitamin D 3 with an acidogenic diet during the prepartum period in dairy cows: Mineral metabolism, energy balance, and lactation performance of Holstein dairy cows. J Dairy Sci 2022; 105:5796-5812. [PMID: 35570040 DOI: 10.3168/jds.2021-21727] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 03/21/2022] [Indexed: 11/19/2022]
Abstract
Our objective was to determine the effects of feeding 25-hydroxyvitamin D3 [25(OH)D3], or vitamin D3 (cholecalciferol) on plasma, mineral, and metabolite concentrations, mineral balance, mineral excretion, rumination, energy balance, and milk production of dairy cows. We hypothesized that supplementing 3 mg/d of 25(OH)D3 during the prepartum period would be more effective than supplementing vitamin D3 at the National Research Council (2001) levels to minimize calcium imbalance during the transition period and improve milk production of dairy cows. Forty multiparous, pregnant nonlactating-Holstein cows were enrolled in this study. Body weight, body condition score, parity, and milk yield in the previous lactation (mean ± standard deviation) were 661 ± 59.2, 3.46 ± 0.35, 1.79 ± 0.87, and 33.2 ± 6.43 kg/d, respectively. Cows were enrolled into the blocks (n = 20 for each treatment) at 30 d of the expected day of calving to receive an acidogenic diet (373 g/kg of neutral detergent fiber and 136 g/kg of crude protein, dry matter basis; -110 mEq/kg) associated with the treatments: (1) control (CTRL), vitamin D3 at 0.625 mg/d (equivalent to 25,000 IU of vitamin D3/d) or (2) 25(OH)D3 at 3 mg/d (equivalent to 120,000 IU of vitamin D3/d). All cows were fed with the base ration for 49 d after calving. Blood samples were taken on d 7, 0, 1, 2, 21, and 42, relative to calving. No effect of treatment was observed for prepartum dry matter intake or body condition score. A trend for increase of ionized Ca was observed for the cows fed 25(OH)D3, compared with the CTRL, but no effect of treatment was detected for total Ca or total P. Feeding 25(OH)D3 increased colostrum yield. The plasmatic concentration of 25-hydroxyvitamin D3 was increased with 25(OH)D3 supplementation. 25-Hydroxyvitamin D3 supplementation increased plasma glucose concentration at parturition. The postpartum dry matter intake was not influenced by treatments. Feeding 25(OH)D3 increases milk yield, 3.5% fat-corrected milk, and energy-corrected milk and improves milk yield components in early lactation. Overall, these findings suggest that 25(OH)D3 at 3 mg/d can improve the energy metabolism and lactation performance, compared with the current-feeding practice of supplementing vitamin D3 at 0.625 mg/d.
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Affiliation(s)
- A S Silva
- Department of Animal Production, School of Veterinary Medicine and Animal Science, São Paulo State University "Júlio de Mesquita Filho", Botucatu, SP, 18618-68, Brazil
| | - C S Cortinhas
- DSM Nutritional Products, São Paulo, SP, 04543-907, Brazil
| | - T S Acedo
- DSM Nutritional Products, São Paulo, SP, 04543-907, Brazil
| | - M J F Morenz
- Embrapa Dairy Cattle, Juiz de Fora, MG, 36038-330, Brazil.
| | - F C F Lopes
- Embrapa Dairy Cattle, Juiz de Fora, MG, 36038-330, Brazil
| | - M B Arrigoni
- Department of Animal Production, School of Veterinary Medicine and Animal Science, São Paulo State University "Júlio de Mesquita Filho", Botucatu, SP, 18618-68, Brazil
| | - M H Ferreira
- Department of Animal Sciences, Federal University of Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil
| | - T L Jaguaribe
- Department of Animal Sciences, Federal University of Juiz de Fora, Juiz de Fora, MG, 36036-900, Brazil
| | - L D Ferreira
- Department of Veterinary Clinics and Surgery, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, MG, 31270-901, Brazil
| | - V N Gouvêa
- Texas A&M AgriLife Research and Extension Center, Amarillo 79106
| | - L G R Pereira
- Embrapa Dairy Cattle, Juiz de Fora, MG, 36038-330, Brazil
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Feng Y, Qin R, Xu L, Ma X, Ding D, Li S, Chen L, Liu Y, Sun W, Chen H. Ion drugs for precise orthotopic tumor management by in situ the generation of toxic ion and drug pools. Am J Cancer Res 2022; 12:734-746. [PMID: 34976210 PMCID: PMC8692900 DOI: 10.7150/thno.66468] [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: 08/25/2021] [Accepted: 11/21/2021] [Indexed: 11/05/2022] Open
Abstract
Background: Asymmetric intracellular and extracellular ionic gradients are critical to the survivability of mammalian cells. Given the importance of manganese (Mn2+), calcium (Ca2+), and bicarbonate (HCO3 -) ions, any alteration of the ion-content balance could induce a series of cellular responses. HCO3 - plays an indispensable role for Mn-mediated Fenton-like reaction, but this is difficult to achieve because bicarbonates are tightly regulated by live cells, and are limited in anticancer efficacy. Methods: A responsive and biodegradable biomineral, Mn-doped calcium carbonate integrated with dexamethasone phosphate (DEX) (Mn:CaCO3-DEX), was reported to enable synergistic amplification of tumor oxidative stress, reduce inflammation, and induce Ca-overload cell apoptosis by elevating the intracellular and extracellular ionic gradients. Results: Under the acidic environment in tumor region, the ions (Mn2+, CO3 2-, Ca2+) were released by the degradation of Mn:CaCO3-DEX and then escalated oxidative stresses by triggering a HCO3 --indispensable Mn-based Fenton-like reaction and breaking Ca2+ ion homeostasis to cause oxidative stress in cells and calcification. The released anti-inflammatory and antitumor drug, DEX, could alleviate the inflammatory environment. The investigations in vitro and in vivo demonstrated that the synergistic oncotherapy could effectively inhibit the growth of subcutaneous tumors and orthotopic liver tumors. Notably, normal cells showed greater tolerance of the synergistic influences. Conclusion: As an ion drug, Mn:CaCO3-DEX is an excellent potential diagnostic agent for precise orthotopic tumor management by the generation in situ of toxic ion and drug pools in the environment of tumor region, with synergistic effects of enhanced chemodynamic therapy, calcification, and anti-inflammation effects.
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Affiliation(s)
- Yushuo Feng
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Ruixue Qin
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Lihua Xu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Xiaoqian Ma
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Dandan Ding
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Shi Li
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Lei Chen
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Yaqing Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Wenjing Sun
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Hongmin Chen
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
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4
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Erdemir S, Kocyigit O, Malkondu S. Optical and quantitative detection of Ca2+ ion by an calix[4]arene-isophorone incorporated fluorometric and colorimetric probe. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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5
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Apoptotic Cells Trigger Calcium Entry in Phagocytes by Inducing the Orai1-STIM1 Association. Cells 2021; 10:cells10102702. [PMID: 34685684 PMCID: PMC8534458 DOI: 10.3390/cells10102702] [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: 09/02/2021] [Revised: 09/30/2021] [Accepted: 10/08/2021] [Indexed: 11/30/2022] Open
Abstract
Swift and continuous phagocytosis of apoptotic cells can be achieved by modulation of calcium flux in phagocytes. However, the molecular mechanism by which apoptotic cells modulate calcium flux in phagocytes is incompletely understood. Here, using biophysical, biochemical, pharmaceutical, and genetic approaches, we show that apoptotic cells induced the Orai1-STIM1 interaction, leading to store-operated calcium entry (SOCE) in phagocytes through the Mertk-phospholipase C (PLC) γ1-inositol 1,4,5-triphosphate receptor (IP3R) axis. Apoptotic cells induced calcium release from the endoplasmic reticulum, which led to the Orai1-STIM1 association and, consequently, SOCE in phagocytes. This association was attenuated by masking phosphatidylserine. In addition, the depletion of Mertk, which indirectly senses phosphatidylserine on apoptotic cells, reduced the phosphorylation levels of PLCγ1 and IP3R, resulting in attenuation of the Orai1-STIM1 interaction and inefficient SOCE upon apoptotic cell stimulation. Taken together, our observations uncover the mechanism of how phagocytes engulfing apoptotic cells elevate the calcium level.
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Bover J, Arana C, Ureña P, Torres A, Martín-Malo A, Fayos L, Coll V, Lloret MJ, Ochoa J, Almadén Y, Guirado L, Rodríguez M. Hyporesponsiveness or resistance to the action of parathyroid hormone in chronic kidney disease. Nefrologia 2021; 41:514-528. [PMID: 36165134 DOI: 10.1016/j.nefroe.2021.11.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 12/20/2020] [Indexed: 06/16/2023] Open
Abstract
Secondary hyperparathyroidism (SHPT) is an integral component of the chronic kidney disease-mineral and bone disorder (CKD-MBD). Many factors have been associated with the development and progression of SHPT but the presence of skeletal or calcemic resistance to the action of PTH in CKD has often gone unnoticed. The term hyporesponsiveness to PTH is currently preferred and, in this chapter, we will not only review the scientific timeline but also some of the molecular mechanisms behind. Moreover, the presence of resistance to the biological action of PTH is not unique in CKD since resistance to other hormones has also been described ("uremia as a receptor disease"). This hyporesponsiveness carries out important clinical implications since it explains, at least partially, not only the progressive nature of the pathogenesis of CKD-related PTH hypersecretion and parathyroid hyperplasia but also the increasing prevalence of adynamic bone disease in the CKD population. Therefore, we underline the importance of PTH control in all CKD stages, but not aiming to completely normalize PTH levels since a certain degree of SHPT may represent an adaptive clinical response. Future studies at the molecular level, i.e. on uremia or the recent description of the calcium-sensing receptor as a phosphate sensor, may become of great value beyond their significance to explain just the hyporesponsiveness to PTH in CKD.
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Affiliation(s)
- Jordi Bover
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain.
| | - Carolt Arana
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain
| | - Pablo Ureña
- AURA Nord Saint Ouen y Departamento de Fisiología Renal, Hospital Necker, Universidad de París Descartes, Paris, France
| | - Armando Torres
- Servicio de Nefrología, Hospital Universitario de Canarias, REDinREN, Universidad de La Laguna, Tenerife, Spain
| | - Alejandro Martín-Malo
- Unidad de Gestión Clinica Nefrología, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Universidad de Córdoba, Córdoba, Spain; Red Nacional de Investigación en Nefrología (REDinREN), Instituto de Salud Carlos III, Madrid, Spain
| | - Leonor Fayos
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain
| | - Verónica Coll
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain
| | - María Jesús Lloret
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain
| | - Jackson Ochoa
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain
| | - Yolanda Almadén
- Unidad de Gestión Clínica Medicina Interna, Lipid and Atherosclerosis Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Universidad de Córdoba, Córdoba, Spain; CIBER Fisiopatología Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Lluis Guirado
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, Spain
| | - Mariano Rodríguez
- Unidad de Gestión Clinica Nefrología, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Universidad de Córdoba, Córdoba, Spain; Red Nacional de Investigación en Nefrología (REDinREN), Instituto de Salud Carlos III, Madrid, Spain
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Inflammation: a putative link between phosphate metabolism and cardiovascular disease. Clin Sci (Lond) 2021; 135:201-227. [PMID: 33416083 PMCID: PMC7796315 DOI: 10.1042/cs20190895] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 12/11/2020] [Accepted: 12/15/2020] [Indexed: 02/06/2023]
Abstract
Dietary habits in the western world lead to increasing phosphate intake. Under physiological conditions, extraosseous precipitation of phosphate with calcium is prevented by a mineral buffering system composed of calcification inhibitors and tight control of serum phosphate levels. The coordinated hormonal regulation of serum phosphate involves fibroblast growth factor 23 (FGF23), αKlotho, parathyroid hormone (PTH) and calcitriol. A severe derangement of phosphate homeostasis is observed in patients with chronic kidney disease (CKD), a patient collective with extremely high risk of cardiovascular morbidity and mortality. Higher phosphate levels in serum have been associated with increased risk for cardiovascular disease (CVD) in CKD patients, but also in the general population. The causal connections between phosphate and CVD are currently incompletely understood. An assumed link between phosphate and cardiovascular risk is the development of medial vascular calcification, a process actively promoted and regulated by a complex mechanistic interplay involving activation of pro-inflammatory signalling. Emerging evidence indicates a link between disturbances in phosphate homeostasis and inflammation. The present review focuses on critical interactions of phosphate homeostasis, inflammation, vascular calcification and CVD. Especially, pro-inflammatory responses mediating hyperphosphatemia-related development of vascular calcification as well as FGF23 as a critical factor in the interplay between inflammation and cardiovascular alterations, beyond its phosphaturic effects, are addressed.
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Bover J, Arana C, Ureña P, Torres A, Martín-Malo A, Fayos L, Coll V, Lloret MJ, Ochoa J, Almadén Y, Guirado L, Rodríguez M. Hyporesponsiveness or resistance to the action of parathyroid hormone in chronic kidney disease. Nefrologia 2021. [PMID: 33985858 DOI: 10.1016/j.nefro.2020.12.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Secondary hyperparathyroidism (SHPT) is an integral component of the chronic kidney disease-mineral and bone disorder (CKD-MBD). Many factors have been associated with the development and progression of SHPT but the presence of skeletal or calcemic resistance to the action of PTH in CKD has often gone unnoticed. The term hyporesponsiveness to PTH is currently preferred and, in this chapter, we will not only review the scientific timeline but also some of the molecular mechanisms behind. Moreover, the presence of resistance to the biological action of PTH is not unique in CKD since resistance to other hormones has also been described ("uremia as a receptor disease"). This hyporesponsiveness carries out important clinical implications since it explains, at least partially, not only the progressive nature of the pathogenesis of CKD-related PTH hypersecretion and parathyroid hyperplasia but also the increasing prevalence of adynamic bone disease in the CKD population. Therefore, we underline the importance of PTH control in all CKD stages, but not aiming to completely normalize PTH levels since a certain degree of SHPT may represent an adaptive clinical response. Future studies at the molecular level, i.e. on uremia, or the recent description of the calcium-sensing receptor as a phosphate sensor, may become of great value beyond their significance to explain just the hyporesponsiveness to PTH in CKD.
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Affiliation(s)
- Jordi Bover
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, España.
| | - Carolt Arana
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, España
| | - Pablo Ureña
- AURA Nord Saint Ouen y Departamento de Fisiología Renal, Hospital Necker, Universidad de París Descartes, París, Francia
| | - Armando Torres
- Servicio de Nefrología, Hospital Universitario de Canarias, REDinREN, Universidad de La Laguna, Tenerife, España
| | - Alejandro Martín-Malo
- Unidad de Gestión Clínica Nefrología, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Universidad de Córdoba, Córdoba, España; Red Nacional de Investigación en Nefrología (REDinREN), Instituto de Salud Carlos III, Madrid, España
| | - Leonor Fayos
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, España
| | - Verónica Coll
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, España
| | - María Jesús Lloret
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, España
| | - Jackson Ochoa
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, España
| | - Yolanda Almadén
- Unidad de Gestión Clínica Medicina Interna, Lipid and Atherosclerosis Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Universidad de Córdoba, Córdoba, España; CIBER Fisiopatología Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, España
| | - Lluis Guirado
- Servicio de Nefrología, Fundació Puigvert, IIB Sant Pau, REDinREN, Barcelona, España
| | - Mariano Rodríguez
- Unidad de Gestión Clínica Nefrología, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía, Universidad de Córdoba, Córdoba, España; Red Nacional de Investigación en Nefrología (REDinREN), Instituto de Salud Carlos III, Madrid, España
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Kim K, Lee CR, Kang SW, Lee J, Jeong JJ, Nam KH, Chung WY. Clinical Utility of Preoperative Vitamin D3 Injection for Preventing Transient Hypocalcemia after Total Thyroidectomy. Int J Endocrinol 2021; 2021:6683089. [PMID: 33628238 PMCID: PMC7896842 DOI: 10.1155/2021/6683089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/27/2021] [Accepted: 02/04/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Postoperative transient hypocalcemia (TH) is a common complication of total thyroidectomy. This retrospective study evaluated the clinical utility of preoperative vitamin D3 injection for the prevention of TH after total thyroidectomy. METHODS We included 2294 patients who underwent total thyroidectomy from January 2015 until October 2018 and retrospectively analyzed their data by complete chart review at our hospital. The patients were divided into two groups: vitamin D3 injection (VDI; n = 342) and vitamin D3 noninjection (VDN; n = 1952). TH was defined as serum calcium <8.2 mg/dL and signs or symptoms of hypocalcemia. RESULTS The mean preoperative serum 25-hydroxyvitamin D (25-OHD) levels of the VDI group were significantly lower than those of the VDN group (16.5 ± 6.9 ng/mL vs 19.4 ± 8.7 ng/mL, p < 0.001). Multivariate analysis indicated that the significant risk factors of TH include vitamin D noninjection (hazard ratio (HR): 1.717, 95% confidence interval (CI): 1.282-2.300, p < 0.001), male gender (HR: 1.427, 95% CI: 1.117-1.822, p = 0.004), and capsular extension (HR: 1.273, 95% CI: 1.011-1.603, p = 0.040). CONCLUSIONS Preoperative vitamin D3 injection significantly contributed to the prevention of TH after total thyroidectomy. Further prospective or multicenter studies must be conducted to determine the effect of vitamin D3 injection.
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Affiliation(s)
- Kwangsoon Kim
- Department of Surgery, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Cho Rok Lee
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sang-Wook Kang
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jandee Lee
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jong Ju Jeong
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kee-Hyun Nam
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Woong Youn Chung
- Department of Surgery, Yonsei University College of Medicine, Seoul, Republic of Korea
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Hanna RM, Ahdoot RS, Kalantar-Zadeh K, Ghobry L, Kurtz I. Calcium Transport in the Kidney and Disease Processes. Front Endocrinol (Lausanne) 2021; 12:762130. [PMID: 35299844 PMCID: PMC8922474 DOI: 10.3389/fendo.2021.762130] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 11/25/2021] [Indexed: 11/25/2022] Open
Abstract
Calcium is a key ion involved in cardiac and skeletal muscle contractility, nerve function, and skeletal structure. Global calcium balance is affected by parathyroid hormone and vitamin D, and calcium is shuttled between the extracellular space and the bone matrix compartment dynamically. The kidney plays an important role in whole-body calcium balance. Abnormalities in the kidney transport proteins alter the renal excretion of calcium. Various hormonal and regulatory pathways have evolved that regulate the renal handling of calcium to maintain the serum calcium within defined limits despite dynamic changes in dietary calcium intake. Dysregulation of renal calcium transport can occur pharmacologically, hormonally, and via genetic mutations in key proteins in various nephron segments resulting in several disease processes. This review focuses on the regulation transport of calcium in the nephron. Genetic diseases affecting the renal handling of calcium that can potentially lead to changes in the serum calcium concentration are reviewed.
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Affiliation(s)
- Ramy M. Hanna
- Division of Nephrology, Department of Medicine, University of California Irvine (UCI) School of Medicine, Orange, CA, United States
- *Correspondence: Ramy M. Hanna,
| | - Rebecca S. Ahdoot
- Division of Nephrology, Department of Medicine, University of California Irvine (UCI) School of Medicine, Orange, CA, United States
| | - Kamyar Kalantar-Zadeh
- Division of Nephrology, Department of Medicine, University of California Irvine (UCI) School of Medicine, Orange, CA, United States
| | - Lena Ghobry
- School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Ira Kurtz
- Division of Nephrology, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles (UCLA), Los Angeles, CA, United States
- University of California Los Angeles (UCLA) Brain Research Center, Los Angeles, CA, United States
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11
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Oral cinacalcet responsiveness in non-parathyroid hormone mediated hypercalcemia of malignancy. Med Hypotheses 2020; 143:110149. [DOI: 10.1016/j.mehy.2020.110149] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/20/2020] [Accepted: 07/28/2020] [Indexed: 02/06/2023]
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12
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Dell'Aquila E, Armento G, Iuliani M, Simonetti S, D'Onofrio L, Zeppola T, Madaudo C, Russano M, Citarella F, Ribelli G, Pantano F, Vincenzi B, Tonini G, Santini D. Denosumab for cancer-related bone loss. Expert Opin Biol Ther 2020; 20:1261-1274. [PMID: 32835531 DOI: 10.1080/14712598.2020.1814731] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
INTRODUCTION Prolonged use of anti-cancer treatments in breast and prostate tumors alters physiological bone turnover leading to adverse skeletal related events, such as osteoporosis, loss of bone mass, and increased risk of fractures. These complications known as cancer treatment-induced bone loss (CTIBL) should be managed with bone targeting agents such as the bisphosphonates and denosumab. The latter is a monoclonal antibody against the receptor activator of nuclear factor-kB ligand (RANKL) that suppresses osteoclasts function and survival increasing bone mass. AREAS COVERED This review will focus on the mechanisms associated with bone loss induced by cancer treatments and the most recent evidence about the use of denosumab as preventive and therapeutic strategy to protect bone health. Moreover, we will discuss several key aspects regarding the clinical practical use of denosumab to optimize the management of CTLIB in breast and prostate cancer. EXPERT OPINION Denosumab treatment strongly prevents cancer therapies-related skeletal issues in breast and prostate cancer with a good safety profile. Adjuvant six-monthly denosumab delays the time to first fracture onset in early stage breast cancer patients with normal or altered bone mineral density (BMD). Similarly, denosumab treatment is able to prevent fractures and BMD loss in nonmetastatic prostate cancer patients.
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Affiliation(s)
| | - Grazia Armento
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Michele Iuliani
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Sonia Simonetti
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Loretta D'Onofrio
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Tea Zeppola
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Cristina Madaudo
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Marco Russano
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Fabrizio Citarella
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Giulia Ribelli
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Francesco Pantano
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Bruno Vincenzi
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Giuseppe Tonini
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
| | - Daniele Santini
- Medical Oncology Department, Campus Bio-Medico University of Rome , Rome, Itlay
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13
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Yu P, Liu Y, Jin R, Zhang P, Ding C, Jiang X, Xing J, Bi B, Xie J, Li J. Thermosensitive Polysaccharide Hydrogel As a Versatile Platform for Prolonged Salmon Calcitonin Release and Calcium Regulation. ACS Biomater Sci Eng 2020; 6:4077-4086. [PMID: 33463337 DOI: 10.1021/acsbiomaterials.0c00591] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The common pathological characteristic of osteoporosis and hypercalcemia is the disorder of calcium homeostasis. Currently, salmon calcitonin (sCT), a clinical regenerative medicine, is an attractive chioice to regulate calcium metabolism for alleviation of osteoporosis and hypercalcemia. Unfortunately, serum sCT is quickly cleared in vivo, leading to its short half-life. Here, we designed a versatile hydrogel, based on salmon calcitonin-oxidized calcium alginate (sCT-OCA) conjugate and hydroxypropyl chitin (HPCH). The release profile showed that sCT could be released from HPCH hydrogels loaded with sCT-OCA conjugate (sCT-OCA-HPCH) for at least 28 days with conformation stability. The cellular test demonstrated that the biocompatible sCT-OCA-HPCH, compared with sCT formulation, had capacity in up-regulating alkaline phosphatase activity (∼63% increase) and promoting calcium to deposit into extracellular matrix (∼42% increase). These results indicated that thermosensitive sCT-OCA-HPCH hydrogel herein is a versatile platform for many applications such as calcium metabolism regulation, osteoporosis treatment, and hypercalcemia therapy.
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Affiliation(s)
- Peng Yu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Yanpeng Liu
- Hangzhou Global Scientific and Technological Innovation Center, Zhejiang University, Hangzhou 311200, P.R. China
| | - Ruitao Jin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Pan Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Chunmei Ding
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Xulin Jiang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China
| | - Jiaqi Xing
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Bo Bi
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, P.R. China
| | - Jing Xie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
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Sheehan M, Tanimu S, Tanimu Y, Engel J, Onitilo A. Cinacalcet for the Treatment of Humoral Hypercalcemia of Malignancy: An Introductory Case Report with a Pathophysiologic and Therapeutic Review. Case Rep Oncol 2020; 13:321-329. [PMID: 32308599 PMCID: PMC7154241 DOI: 10.1159/000506100] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 01/21/2020] [Indexed: 11/21/2022] Open
Abstract
Hypercalcemia is an ominous development in the course of malignancy associated with a mean survival of only several months. A majority of cases of hypercalcemia are related to humoral hypercalcemia of malignancy (HHM), where hypercalcemia is caused by increased levels of circulating parathyroid hormone-related protein (PTHrP). Mainstay treatments in the management of HHM are intravenous fluids, intravenous bisphosphonates, and subcutaneous denosumab, although hypercalcemia oftentimes recurs despite these efforts. We present a case of advanced non-small cell lung cancer with PTHrP-mediated hypercalcemia that proved resistant to standard therapy. A trial of oral cinacalcet was initiated and improved calcium levels for 2 months despite a progressive rise in PTHrP and prior to subsequent disease progression. Based on the current body of literature, we propose that this calcium-lowering effect of cinacalcet occurs due to a potential effect on renal calcium excretion.
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Affiliation(s)
- Michael Sheehan
- Department of Endocrinology, Marshfield Medical Center - Weston, Weston, Wisconsin, USA
| | - Sabo Tanimu
- Department of Gastroenterology, Marshfield Medical Center - Weston, Weston, Wisconsin, USA
| | - Yusuf Tanimu
- Department of Internal Medicine, Marshfield Medical Center - Marshfield, Marshfield, Wisconsin, USA
| | - Jessica Engel
- Department of Oncology, Marshfield Medical Center - Weston, Weston, Wisconsin, USA
| | - Adedayo Onitilo
- Department of Oncology, Marshfield Medical Center - Weston, Weston, Wisconsin, USA
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15
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Yu P, Xie J, Chen Y, Liu J, Liu Y, Bi B, Luo J, Li S, Jiang X, Li J. A thermo-sensitive injectable hydroxypropyl chitin hydrogel for sustained salmon calcitonin release with enhanced osteogenesis and hypocalcemic effects. J Mater Chem B 2019; 8:270-281. [PMID: 31802093 DOI: 10.1039/c9tb02049g] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Pharmacotherapy towards hypercalcemia treatment mainly caused by osteoporosis and bone tumor is an effective method to regulate in vivo calcium equilibrium. As a clinical therapeutic peptide, salmon calcitonin (sCT) is considered as a quick-acting medicine but it is limited by the short half-life. To address this challenge, we designed an injectable thermo-sensitive hydrogel based on hydroxypropyl chitin (HPCH) and incorporated the complex of sCT and hyaluronic acid (HA) (sCT-HA) with high association efficiency up to 96.84 ± 7.25%. This composite hydrogel showed a tunable biodegradable property. In vitro sCT release profiles revealed that this hydrogel can achieve long-term sustained sCT release (28 days) with considerable structure stability. The cellular study illustrated outstanding compatibility and osteoconductive potential of this multi-component hydrogel according to the higher ALP activity (2.10-fold), calcium expression (2.30-fold) and extracellular calcium deposition (1.10-fold) compared to that of the sCT group. In vivo sCT release confirmed that this hydrogel system realized sustained sCT release and a continuous hypocalcemic effect for as long as 28 days, and there were no inflammation and immune responses according to the histological evaluations (H&E and IgG staining). These findings demonstrate that this osteoconductive hydrogel system can provide a promising method for therapy of bone related disease.
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Affiliation(s)
- Peng Yu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Jing Xie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Yu Chen
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Jinming Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Yanpeng Liu
- Zhejiang Provincial Key Laboratory for Drug Evaluation and Clinical Research, Research Center for Clinical Pharmacy, First Affiliated Hospital, Zhejiang University, No. 79 Qingchun Road, Hangzhou, 310003, P. R. China
| | - Bo Bi
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, P. R. China.
| | - Jun Luo
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Sheyu Li
- Department of Endocrinology and Metabolism, West China Hospital, Sichuan University, Chengdu 610041, P. R. China
| | - Xulin Jiang
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University, Wuhan 430072, P. R. China.
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China.
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16
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Lleras-Forero L, Winkler C, Schulte-Merker S. Zebrafish and medaka as models for biomedical research of bone diseases. Dev Biol 2019; 457:191-205. [PMID: 31325453 DOI: 10.1016/j.ydbio.2019.07.009] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 07/13/2019] [Indexed: 12/17/2022]
Abstract
The identification of disease-causing mutations has in recent years progressed immensely due to whole genome sequencing approaches using patient material. The task accordingly is shifting from gene identification to functional analysis of putative disease-causing genes, preferably in an in vivo setting which also allows testing of drug candidates or biotherapeutics in whole animal disease models. In this review, we highlight the advances made in the field of bone diseases using small laboratory fish, focusing on zebrafish and medaka. We particularly highlight those human conditions where teleost models are available.
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Affiliation(s)
- L Lleras-Forero
- Institute for Cardiovascular Organogenesis and Regeneration, Faculty of Medicine, WWU Münster, Mendelstrasse 7, 48149 Münster, Germany; CiM Cluster of Excellence (EXC-1003-CiM), Münster, Germany.
| | - C Winkler
- Department of Biological Sciences and Centre for Bioimaging Sciences, National University of Singapore, 14 Science Drive 04, 117558 Singapore
| | - S Schulte-Merker
- Institute for Cardiovascular Organogenesis and Regeneration, Faculty of Medicine, WWU Münster, Mendelstrasse 7, 48149 Münster, Germany; CiM Cluster of Excellence (EXC-1003-CiM), Münster, Germany.
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17
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Song CQ, Sun DZ, Xu YM, Yang C, Cai Q, Dong XS. Effect of endoplasmic reticulum calcium on paraquat‑induced apoptosis of human lung type II alveolar epithelial A549 cells. Mol Med Rep 2019; 20:2419-2425. [PMID: 31322172 DOI: 10.3892/mmr.2019.10469] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 05/03/2019] [Indexed: 11/05/2022] Open
Abstract
The present study aimed to explore the role of endoplasmic reticulum calcium (ER Ca2+) in the apoptosis of human lung type II alveolar epithelial A549 cells induced by paraquat (PQ) in vitro. PQ significantly elevated the intracellular Ca2+ concentration. Treatment with the Ca2+‑ATPase inhibitor thapsigargin significantly increased PQ‑induced cytotoxicity, elevated the intracellular level of Ca2+, and increased the apoptosis rate, the protein expression of glucose‑regulated protein 78 (GRP78) and C/EBP homologous protein (CHOP), and the activities of caspase‑7 and caspase‑12 in PQ‑treated cells. By contrast, treatment with heparin, an inositol 1,4,5‑triphosphate receptor inhibitor, remarkably attenuated cytotoxicity and decreased the intracellular level of Ca2+, the apoptosis rate and the expression levels of GRP78, CHOP and Caspases. In conclusion, PQ impaired the regulating function of ER Ca2+ and resulted in an excessive increase of intracellular Ca2+. Therefore, influencing the Ca2+ signaling in the ER influenced the apoptosis of A549 cells via the ER stress pathway.
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Affiliation(s)
- Chun-Qing Song
- Department of Emergency, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Da-Zhuang Sun
- Department of Emergency, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Yong-Min Xu
- Department of Emergency, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Chen Yang
- Department of Emergency, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Quan Cai
- Department of Emergency, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Xue-Song Dong
- Department of Emergency, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
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18
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Liu H, Cui S, Shi F, Pu S. A highly selective fluorescent sensor for Ca2+ and Sr2+ based on diarylethene with a furan-carbohydrazide unit. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.05.056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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19
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Rodelo-Haad C, Santamaria R, Muñoz-Castañeda JR, Pendón-Ruiz de Mier MV, Martin-Malo A, Rodriguez M. FGF23, Biomarker or Target? Toxins (Basel) 2019; 11:E175. [PMID: 30909513 PMCID: PMC6468608 DOI: 10.3390/toxins11030175] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 03/14/2019] [Accepted: 03/19/2019] [Indexed: 12/11/2022] Open
Abstract
Fibroblast growth factor 23 (FGF23) plays a key role in the complex network between the bones and other organs. Initially, it was thought that FGF23 exclusively regulated phosphate and vitamin D metabolism; however, recent research has demonstrated that an excess of FGF23 has other effects that may be detrimental in some cases. The understanding of the signaling pathways through which FGF23 acts in different organs is crucial to develop strategies aiming to prevent the negative effects associated with high FGF23 levels. FGF23 has been described to have effects on the heart, promoting left ventricular hypertrophy (LVH); the liver, leading to production of inflammatory cytokines; the bones, inhibiting mineralization; and the bone marrow, by reducing the production of erythropoietin (EPO). The identification of FGF23 receptors will play a remarkable role in future research since its selective blockade might reduce the adverse effects of FGF23. Patients with chronic kidney disease (CKD) have very high levels of FGF23 and may be the population suffering from the most adverse FGF23-related effects. The general population, as well as kidney transplant recipients, may also be affected by high FGF23. Whether the association between FGF23 and clinical events is causal or casual remains controversial. The hypothesis that FGF23 could be considered a therapeutic target is gaining relevance and may become a promising field of investigation in the future.
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Affiliation(s)
- Cristian Rodelo-Haad
- Nephrology Service, University Hospital Reina Sofia, 14005 Cordoba, Spain.
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC)/University of Cordoba, 14005 Cordoba, Spain.
- Spanish Renal Research Network (REDinREN), Institute of Health Carlos III, 28040 Madrid, Spain.
| | - Rafael Santamaria
- Nephrology Service, University Hospital Reina Sofia, 14005 Cordoba, Spain.
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC)/University of Cordoba, 14005 Cordoba, Spain.
- Spanish Renal Research Network (REDinREN), Institute of Health Carlos III, 28040 Madrid, Spain.
| | - Juan R Muñoz-Castañeda
- Nephrology Service, University Hospital Reina Sofia, 14005 Cordoba, Spain.
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC)/University of Cordoba, 14005 Cordoba, Spain.
- Spanish Renal Research Network (REDinREN), Institute of Health Carlos III, 28040 Madrid, Spain.
| | - M Victoria Pendón-Ruiz de Mier
- Nephrology Service, University Hospital Reina Sofia, 14005 Cordoba, Spain.
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC)/University of Cordoba, 14005 Cordoba, Spain.
- Spanish Renal Research Network (REDinREN), Institute of Health Carlos III, 28040 Madrid, Spain.
| | - Alejandro Martin-Malo
- Nephrology Service, University Hospital Reina Sofia, 14005 Cordoba, Spain.
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC)/University of Cordoba, 14005 Cordoba, Spain.
- Spanish Renal Research Network (REDinREN), Institute of Health Carlos III, 28040 Madrid, Spain.
| | - Mariano Rodriguez
- Nephrology Service, University Hospital Reina Sofia, 14005 Cordoba, Spain.
- Maimonides Institute for Biomedical Research of Cordoba (IMIBIC)/University of Cordoba, 14005 Cordoba, Spain.
- Spanish Renal Research Network (REDinREN), Institute of Health Carlos III, 28040 Madrid, Spain.
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Calcium Intake in Bone Health: A Focus on Calcium-Rich Mineral Waters. Nutrients 2018; 10:nu10121930. [PMID: 30563174 PMCID: PMC6316542 DOI: 10.3390/nu10121930] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 11/26/2018] [Accepted: 11/30/2018] [Indexed: 02/06/2023] Open
Abstract
Calcium is an essential element that plays numerous biological functions in the human body, of which one of the most important is skeleton mineralization. Bone is a mineralized connective tissue in which calcium represents the major component, conferring bone strength and structure. Proper dietary calcium intake is important for bone development and metabolism, and its requirement can vary throughout life. The mineral composition of drinking water is becoming relevant in the modulation of calcium homeostasis. In fact, calcium present in mineral drinking waters is an important quantitative source of calcium intake. This, together with its excellent bioavailability, contributes to the maintenance of the bone health. This article aims to examine studies that assessed the bioavailability of the calcium contained in calcium-rich mineral waters and their impact on bone health, including original data collected in a recent study in humans.
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Lin Y, Zhou J, Cao L, Xu Q, Hao J, Zhao L, Wang J. Serum calcium is a novel parameter to assess metabolic syndrome in endometrial carcinoma. J Gynecol Oncol 2018; 30:e12. [PMID: 30479096 PMCID: PMC6304409 DOI: 10.3802/jgo.2019.30.e12] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 09/30/2018] [Accepted: 10/01/2018] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES To investigate the distribution of serum calcium and the relationship between serum calcium and serum metabolic parameters in endometrial carcinoma (EC) patients. METHODS Retrospective assessment of patients diagnosed with endometrial cancer from Peking University People's Hospital from 2004 to 2009. Clinical characteristics as well as pretreatment serum calcium, albumin, fasting plasma glucose (FPG), serum triglycerides (TG), high-density lipoprotein (HDL), low-density lipoprotein (LDL), and total cholesterol (TC) value were extracted from patient records. Serum calcium was corrected for albumin. Unpaired t test and analysis of covariance were used to compare serum calcium among categorical variables. Simple correlation analyses and partial correlation analyses were used to assess the associations between serum calcium and continuous variables. RESULTS Two-hundred twenty patients were included in this study. After adjusting for confounders, postmenopausal patients had higher total serum calcium (p=0.002) and albumin-corrected serum calcium (p=0.012) than premenopausal patients, endometrioid endometrial carcinoma (EEC) patients had higher total serum calcium than non-endometrioid endometrial carcinoma (NEEC) patients (p=0.037). Significant positive correlations were found between total serum calcium and FPG (p=0.017), TG (p=0.043), HDL (p=0.042), LDL (p<0.001), and TC (p<0.001) after adjusting for multiple variables, and the corrected serum calcium showed no significant correlation with metabolic parameters. CONCLUSION Total serum calcium might be a more sensitive parameter for metabolic syndrome in endometrioid endometrial cancer patients than lipids.
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Affiliation(s)
- Yanying Lin
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China
| | - Jingyi Zhou
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China
| | - Linlin Cao
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, China
| | - Qi Xu
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China
| | - Juan Hao
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China
| | - Lijun Zhao
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China
| | - Jianliu Wang
- Department of Obstetrics and Gynecology, Peking University People's Hospital, Beijing, China.
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Sahu A, Hwang Y, Vilos C, Lim JM, Kim S, Choi WI, Tae G. A novel alendronate functionalized nanoprobe for simple colorimetric detection of cancer-associated hypercalcemia. NANOSCALE 2018; 10:13375-13383. [PMID: 29786742 DOI: 10.1039/c8nr02570c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The calcium (Ca2+) ion concentration in the blood serum is tightly regulated, and any abnormalities in the level of serum calcium ions are associated with many potentially dangerous diseases. Thus, monitoring of the Ca2+ ion concentration in the blood serum is of fundamental importance. Gold nanoparticle (GNP)-based colorimetric biosensors have enormous potential in clinical diagnostic applications due to their simplicity, versatility, and unique optical properties. In this study, we have developed an alendronate functionalized gold nanoparticle (GNP-ALD) system for the measurement of Ca2+ ion concentration in biological samples. The GNP-ALD system showed higher sensitivity towards the Ca2+ ion compared to adenosine diphosphate (ADP) or adenosine triphosphate (ATP). The strong interaction between the Ca2+ ion and ALD at the GNP/solution interface resulted in significant aggregation of the ALD conjugated GNPs, and induced a color change of the solution from red to blue, which could be visually observed with the naked eye. The interaction between the Ca2+ ion and GNP-ALD was characterized by UV-visible spectroscopy, transmission electron microscopy (TEM) imaging, and dynamic light scattering (DLS) analysis. Under the optimized conditions, the lower limit of Ca2+ ion detection using this method was found to be 25 μM and a linear response range from 25 μM to 300 μM Ca2+ ions was obtained with excellent discrimination against other metal ions. The GNP-ALD nanoprobe could successfully determine the ionized Ca2+ concentration in various serum samples and the results were validated using a commercial calcium assay kit. Moreover, as a practical application, we demonstrated the utility of this nanoprobe for the detection of cancer-associated hypercalcemia in a mouse model.
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Affiliation(s)
- Abhishek Sahu
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 123 Cheomdan Gwagi-ro, Oryong dong, Buk-gu, Gwangju 61005, Republic of Korea.
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23
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Gu J, Dai S, Liu Y, Liu H, Zhang Y, Ji X, Yu F, Zhou Y, Chen L, Tse WKF, Wong CKC, Chen B, Shi H. Activation of Ca 2+-sensing receptor as a protective pathway to reduce Cadmium-induced cytotoxicity in renal proximal tubular cells. Sci Rep 2018; 8:1092. [PMID: 29348484 PMCID: PMC5773512 DOI: 10.1038/s41598-018-19327-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 12/27/2017] [Indexed: 01/16/2023] Open
Abstract
Cadmium (Cd), as an extremely toxic metal could accumulate in kidney and induce renal injury. Previous studies have proved that Cd impact on renal cell proliferation, autophagy and apoptosis, but the detoxification drugs and the functional mechanism are still in study. In this study, we used mouse renal tubular epithelial cells (mRTECs) to clarify Cd-induced toxicity and signaling pathways. Moreover, we proposed to elucidate the prevent effect of activation of Ca2+ sensing receptor (CaSR) by Calcimimetic (R-467) on Cd-induced cytotoxicity and underlying mechanisms. Cd induced intracellular Ca2+ elevation through phospholipase C-inositol 1, 4, 5-trisphosphate (PLC) followed stimulating p38 mitogen-activated protein kinases (MAPK) activation and suppressing extracellular signal-regulated kinase (ERK) activation, which leaded to increase apoptotic cell death and inhibit cell proliferation. Cd induced p38 activation also contribute to autophagic flux inhibition that aggravated Cd induced apoptosis. R-467 reinstated Cd-induced elevation of intracellular Ca2+ and apoptosis, and it also increased cell proliferation and restored autophagic flux by switching p38 to ERK pathway. The identification of the activation of CaSR-mediated protective pathway in renal cells sheds light on a possible cellular protective mechanism against Cd-induced kidney injury.
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Affiliation(s)
- Jie Gu
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Shuya Dai
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Yanmin Liu
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Haitao Liu
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Yao Zhang
- Medical Section, The Third Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Xingqi Ji
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Feng Yu
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Yang Zhou
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Liang Chen
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | | | - Chris Kong Chu Wong
- Department of Biology, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Binghai Chen
- Department of urology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, 212000, China
| | - Haifeng Shi
- Institute of Life Science, Jiangsu University, Zhenjiang, Jiangsu, 212000, China.
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24
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van Goor MK, Verkaart S, van Dam TJ, Huynen MA, van der Wijst J. Interspecies differences in PTH-mediated PKA phosphorylation of the epithelial calcium channel TRPV5. Pflugers Arch 2017; 469:1301-1311. [PMID: 28534087 PMCID: PMC5590029 DOI: 10.1007/s00424-017-1996-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 05/01/2017] [Accepted: 05/10/2017] [Indexed: 11/26/2022]
Abstract
The epithelial calcium (Ca2+) channel TRPV5 (transient receptor potential vanilloid 5) is expressed in the distal convoluted tubule of the kidney and facilitates active Ca2+ reabsorption. This process is instrumental for the maintenance of Ca2+ homeostasis. Therefore, all aspects of TRPV5 function are tightly regulated by the calciotropic parathyroid hormone (PTH). Rabbit (rb)TRPV5 channel activity was shown to be stimulated upon PTH-mediated protein kinase A (PKA) phosphorylation. Since there is incomplete conservation of the PKA consensus motif (RR/QxT) across species, the aim of this study was to extend these findings to humans and characterize the expression and function of human (h)TRPV5. Functional differences between rbTRPV5 and hTRPV5 upon PTH stimulation were investigated using 45Ca2+ uptake assays, Fura-2 Ca2+ imaging, and cell surface biotinylation. While PTH treatment enhanced rbTRPV5 channel activity, it did not stimulate hTRPV5 activity. Mutation of the human RQxT motif into rabbit RRxT (hTRPV5 Q706R) partially restored the sensitivity to PTH. An ancestral sequence reconstruction of TRPV5 orthologues demonstrated that the change in the RRxT motif coincides with the creation of another putative PKA motif (RGAS to RRAS) in the amino terminus of hTRPV5. Interestingly, a constitutively phosphorylated hTRPV5 mutant (hTRPV5 S141D) displayed significantly decreased channel function, while its plasma membrane abundance was increased. Taken together, PTH-mediated stimulation of TRPV5, via PKA, is not conserved in humans. Our data suggest that PTH regulation of TRPV5 is altered in humans, an important observation for future studies that may add to new concepts on the role of PTH in renal Ca2+ handling.
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Affiliation(s)
- Mark K van Goor
- Department of Physiology, Radboud University Medical Center, PO Box 9101, 6500 HB, Nijmegen, The Netherlands
| | - Sjoerd Verkaart
- Department of Physiology, Radboud University Medical Center, PO Box 9101, 6500 HB, Nijmegen, The Netherlands
| | - Teunis J van Dam
- Centre for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
- Theoretical Biology and Bioinformatics, Department of Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Martijn A Huynen
- Centre for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jenny van der Wijst
- Department of Physiology, Radboud University Medical Center, PO Box 9101, 6500 HB, Nijmegen, The Netherlands.
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25
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Chen C, Gu S, Jiang X, Zhang Z. Arsenite-induced endoplasmic reticulum-dependent apoptosis through disturbance of calcium homeostasis in HBE cell line. ENVIRONMENTAL TOXICOLOGY 2017; 32:197-216. [PMID: 26677073 DOI: 10.1002/tox.22226] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 11/26/2015] [Accepted: 11/26/2015] [Indexed: 06/05/2023]
Abstract
Calcium (Ca2+ ) is a ubiquitous cell signal responsible for multiple fundamental cellular functions, including apoptosis. Whether the homeostasis of Ca2+ is involved in arsenite-induced apoptosis remains unclear. In this study, we observed that arsenite significantly elevated the intracellular Ca2+ concentration in a dose- and time-dependent manner. By using the Ca2+ -ATPase inhibitor, thapsigargin, and the inositol 1,4,5- trisphosphate receptors (IP3Rs) inhibitor, heparin, we further confirmed that the disturbance of endoplasmic reticulum (ER) Ca2+ homeostasis caused Ca2+ overload in the cells. Moreover, loss of ER Ca2+ homeostasis also led to ER stress, mitochondrial dysfunction, and NF-κB activation. Importantly, pretreatment of cells with heparin remarkably attenuated the elevated cell apoptosis induced by arsenite, but inhibition of ER Ca2+ uptake with thapsigargin exacerbated arsenite-induced cell damage significantly. Together, we demonstrated for the first time that arsenite disturbed the Ca2+ homeostasis in ER, which subsequently led to ER stress, mitochondrial dysfunction, and NF-κB nuclear translocation, and thus consequently triggering cell apoptosis. Our findings indicate regulation of disrupted Ca2+ homeostasis in ER may be a potential strategy for prevention of arsenite toxicity. © 2015 Wiley Periodicals, Inc. Environ Toxicol 32: 197-216, 2017.
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Affiliation(s)
- Chengzhi Chen
- Department of Occupational and Environmental Health, West China School of Public Health, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Department of Occupational and Environmental Health, School of Public Health and Management, Chongqing Medical University, Chongqing, People's Republic of China
| | - Shiyan Gu
- Department of Occupational and Environmental Health, West China School of Public Health, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Xuejun Jiang
- Department of Occupational and Environmental Health, West China School of Public Health, Sichuan University, Chengdu, Sichuan, People's Republic of China
- Department of Occupational and Environmental Health, School of Public Health and Management, Chongqing Medical University, Chongqing, People's Republic of China
| | - Zunzhen Zhang
- Department of Occupational and Environmental Health, West China School of Public Health, Sichuan University, Chengdu, Sichuan, People's Republic of China
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26
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Bermúdez-Peñaloza X, Reyna-Villasmil E, Mejía-Montilla J, Santos-Bolívar J, Torres-Cepeda D, Reyna-Villasmil N, Fernández-Ramírez A. Calcio sérico total e ionizado en el segundo trimestre del embarazo como predictor de preeclampsia. PERINATOLOGÍA Y REPRODUCCIÓN HUMANA 2016. [DOI: 10.1016/j.rprh.2016.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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27
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Zhou Y, Greka A. Calcium-permeable ion channels in the kidney. Am J Physiol Renal Physiol 2016; 310:F1157-67. [PMID: 27029425 DOI: 10.1152/ajprenal.00117.2016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 03/29/2016] [Indexed: 02/07/2023] Open
Abstract
Calcium ions (Ca(2+)) are crucial for a variety of cellular functions. The extracellular and intracellular Ca(2+) concentrations are thus tightly regulated to maintain Ca(2+) homeostasis. The kidney, one of the major organs of the excretory system, regulates Ca(2+) homeostasis by filtration and reabsorption. Approximately 60% of the Ca(2+) in plasma is filtered, and 99% of that is reabsorbed by the kidney tubules. Ca(2+) is also a critical signaling molecule in kidney development, in all kidney cellular functions, and in the emergence of kidney diseases. Recently, studies using genetic and molecular biological approaches have identified several Ca(2+)-permeable ion channel families as important regulators of Ca(2+) homeostasis in kidney. These ion channel families include transient receptor potential channels (TRP), voltage-gated calcium channels, and others. In this review, we provide a brief and systematic summary of the expression, function, and pathological contribution for each of these Ca(2+)-permeable ion channels. Moreover, we discuss their potential as future therapeutic targets.
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Affiliation(s)
- Yiming Zhou
- Department of Medicine and Glom-NExT Center for Glomerular Kidney Disease and Novel Experimental Therapeutics, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts; and
| | - Anna Greka
- Department of Medicine and Glom-NExT Center for Glomerular Kidney Disease and Novel Experimental Therapeutics, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts; and The Broad Institute of MIT and Harvard, Cambridge, Massachusetts
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28
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ROS and ROS-Mediated Cellular Signaling. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:4350965. [PMID: 26998193 PMCID: PMC4779832 DOI: 10.1155/2016/4350965] [Citation(s) in RCA: 1066] [Impact Index Per Article: 133.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 12/01/2015] [Accepted: 12/20/2015] [Indexed: 12/22/2022]
Abstract
It has long been recognized that an increase of reactive oxygen species (ROS) can modify the cell-signaling proteins and have functional consequences, which successively mediate pathological processes such as atherosclerosis, diabetes, unchecked growth, neurodegeneration, inflammation, and aging. While numerous articles have demonstrated the impacts of ROS on various signaling pathways and clarify the mechanism of action of cell-signaling proteins, their influence on the level of intracellular ROS, and their complex interactions among multiple ROS associated signaling pathways, the systemic summary is necessary. In this review paper, we particularly focus on the pattern of the generation and homeostasis of intracellular ROS, the mechanisms and targets of ROS impacting on cell-signaling proteins (NF-κB, MAPKs, Keap1-Nrf2-ARE, and PI3K-Akt), ion channels and transporters (Ca(2+) and mPTP), and modifying protein kinase and Ubiquitination/Proteasome System.
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29
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Leunissen EHP, Blanchard MG, Sheedfar F, Lavrijsen M, van der Wijst J, Bindels RJM, Hoenderop JGJ. Urinary β-galactosidase stimulates Ca2+ transport by stabilizing TRPV5 at the plasma membrane. Glycobiology 2016; 26:472-81. [PMID: 26747426 DOI: 10.1093/glycob/cwv172] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 12/28/2015] [Indexed: 01/26/2023] Open
Abstract
Transcellular Ca(2+)transport in the late distal convoluted tubule and connecting tubule (DCT2/CNT) of the kidney is a finely controlled process mediated by the transient receptor potential vanilloid type 5 (TRPV5) channel. A complex-type-N-glycan bound at the extracellular residue Asn358 of TRPV5 through post-translational glycosylation has been postulated to regulate the activity of TRPV5 channels. Using in vitro Ca(2+)transport assays, immunoblot analysis, immunohistochemistry, patch clamp electrophysiology and total internal reflection fluorescence microscopy, it is demonstrated that the glycosidase β-galactosidase (β-gal), an enzyme that hydrolyzes galactose, stimulates TRPV5 channel activity. However, the activity of the non-glycosylated TRPV(N358Q)mutant was not altered in the presence of β-gal, showing that the stimulation is dependent on the presence of the TRPV5N-glycan. In addition, β-gal was found to stimulate transcellular Ca(2+)transport in isolated mouse primary DCT2/CNT cells. β-gal expression was detected in the apical membrane of the proximal tubules, and the protein was found in mouse urine. In summary, β-gal is present in the pro-urine from where it is thought to stimulate TRPV5 activity.
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Affiliation(s)
- Elizabeth H P Leunissen
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen 6500 HB, The Netherlands
| | - Maxime G Blanchard
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen 6500 HB, The Netherlands
| | - Fareeba Sheedfar
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen 6500 HB, The Netherlands
| | - Marla Lavrijsen
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen 6500 HB, The Netherlands
| | - Jenny van der Wijst
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen 6500 HB, The Netherlands
| | - René J M Bindels
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen 6500 HB, The Netherlands
| | - Joost G J Hoenderop
- Department of Physiology, Radboud University Medical Center, Radboud Institute for Molecular Life Sciences, Nijmegen 6500 HB, The Netherlands
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30
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Rodríguez M, Rodríguez-Ortiz ME. Advances in pharmacotherapy for secondary hyperparathyroidism. Expert Opin Pharmacother 2015; 16:1703-16. [DOI: 10.1517/14656566.2015.1061994] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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31
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Zhang J, Song J, Wu D, Wang J, Dong W. Hesperetin induces the apoptosis of hepatocellular carcinoma cells via mitochondrial pathway mediated by the increased intracellular reactive oxygen species, ATP and calcium. Med Oncol 2015; 32:101. [PMID: 25737432 DOI: 10.1007/s12032-015-0516-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 02/13/2015] [Indexed: 01/08/2023]
Abstract
Hesperetin, a flavonoid from citrus fruits, has been proved to possess biological activity on various types of human cancers. However, few related studies on hepatocellular carcinoma are available. In this study, we aimed to investigate the effect of hesperetin on hepatocellular carcinoma cells in vitro and in vivo and clarify its potentially specific mechanism. Compared with the control group, the proliferations of hepatocellular carcinoma cells in hesperetin groups were significantly inhibited (P < 0.05), and a dose- and time-dependent inhibition of cell viability was observed. When pretreated with H2O2 (1 mM) or N-acetyl-L-cysteine (5 mM), the inhibition of cell viability by hesperetin was enhanced or reduced, respectively (P < 0.05). Similarly, the levels of intracellular ROS, ATP and Ca(2+) changed in different groups (P < 0.05). The results of Hoechst 33258 staining showed that the percentages of apoptotic cells in hesperetin groups are remarkably higher than that in control group (P < 0.05). And the results of Western blot showed that hesperetin caused an increase in the levels of cytosolic AIF, cytosolic Apaf-1, cytosolic Cyt C, caspase-3, caspase-9 and Bax and a decrease in that of Bcl-2, mitochondrial AIF, mitochondrial Apaf-1 and mitochondrial Cyt C (P < 0.05). Meanwhile, hesperetin significantly inhibited the growth of xenograft tumors. Our study suggests that hesperetin could inhibit the proliferation and induce the apoptosis of hepatocellular carcinoma via triggering the activation of the mitochondrial pathway by increasing the levels of intracellular ROS, ATP and Ca(2+).
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Affiliation(s)
- Jixiang Zhang
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, China
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32
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Alis R, Sanchis-Gomar F, Primo-Carrau C, Lozano-Calve S, Dipalo M, Aloe R, Blesa JR, Romagnoli M, Lippi G. Hemoconcentration induced by exercise: Revisiting the Dill and Costill equation. Scand J Med Sci Sports 2014; 25:e630-7. [PMID: 25557039 DOI: 10.1111/sms.12393] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/13/2014] [Indexed: 11/30/2022]
Abstract
The Dill and Costill equation is used to estimate the exercise-induced hemoconcentration. However, this calculation requires drawing an extra whole-blood sample, which cannot be frozen and has to be analyzed with dedicate instrumentation in a relative short time. The aim of the present study was to explore the usefulness of some serum biochemical parameters to estimate hemoconcentration induced by exhaustive exercise. Fourteen healthy male subjects (19-34 years) performed a15-min running test at 110% of anaerobic threshold speed. Hemoglobin, hematocrit, brain natriuretic peptide (BNP), creatinine, gamma-glutamyltransferase (GGT), total-proteins, albumin, total calcium (Ca), K(+), Na(+), and Cl(-) were determined in blood samples taken before, after exercise, and after a 30-min recovery period. Plasma volume loss (ΔPV) was calculated by Dill and Costill equation. At post-exercise and after recovery, the percentage increments of total-proteins, albumin, GGT and Ca correlated significantly with ΔPV. Bland-Altman analyses showed that correcting BNP, creatinine, and K(+) concentration by Ca percentage increments yield biases and limits of agreement that are acceptable when compared with Dill and Costill equation correction. Ca concentration may be used as a hemoconcentration biomarker in high-intensity exercise, which would allow scientists and physicians avoid extra costs, facilitate in-field research, and delayed estimation of hemoconcentration using stored serum samples.
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Affiliation(s)
- R Alis
- Research Institute "Dr. Viña Giner," Molecular and Mitochondrial Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain.,School of Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain
| | - F Sanchis-Gomar
- Research Institute "Dr. Viña Giner," Molecular and Mitochondrial Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain.,Department of Physiology, University of Valencia, Valencia, Spain.,Fundación Investigación Hospital Clínico Universitario/INCLIVA, Valencia, Spain
| | - C Primo-Carrau
- Research Institute "Dr. Viña Giner," Molecular and Mitochondrial Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain
| | - S Lozano-Calve
- Research Institute "Dr. Viña Giner," Molecular and Mitochondrial Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain
| | - M Dipalo
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
| | - R Aloe
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
| | - J R Blesa
- Research Institute "Dr. Viña Giner," Molecular and Mitochondrial Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain.,School of Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain
| | - M Romagnoli
- Research Institute "Dr. Viña Giner," Molecular and Mitochondrial Medicine, Catholic University of Valencia San Vicente Mártir, Valencia, Spain.,Department of Physical Education and Sports, University of Valencia, Valencia, Spain
| | - G Lippi
- Laboratory of Clinical Chemistry and Hematology, Academic Hospital of Parma, Parma, Italy
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33
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Blaine J, Chonchol M, Levi M. Renal control of calcium, phosphate, and magnesium homeostasis. Clin J Am Soc Nephrol 2014; 10:1257-72. [PMID: 25287933 DOI: 10.2215/cjn.09750913] [Citation(s) in RCA: 408] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Calcium, phosphate, and magnesium are multivalent cations that are important for many biologic and cellular functions. The kidneys play a central role in the homeostasis of these ions. Gastrointestinal absorption is balanced by renal excretion. When body stores of these ions decline significantly, gastrointestinal absorption, bone resorption, and renal tubular reabsorption increase to normalize their levels. Renal regulation of these ions occurs through glomerular filtration and tubular reabsorption and/or secretion and is therefore an important determinant of plasma ion concentration. Under physiologic conditions, the whole body balance of calcium, phosphate, and magnesium is maintained by fine adjustments of urinary excretion to equal the net intake. This review discusses how calcium, phosphate, and magnesium are handled by the kidneys.
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Affiliation(s)
- Judith Blaine
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Denver, Aurora, Colorado
| | - Michel Chonchol
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Denver, Aurora, Colorado
| | - Moshe Levi
- Division of Renal Diseases and Hypertension, Department of Medicine, University of Colorado Denver, Aurora, Colorado
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34
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Obinwanne KM, Riess KP, Kallies KJ, Mathiason MA, Manske BR, Kothari SN. Effects of laparoscopic Roux-en-Y gastric bypass on bone mineral density and markers of bone turnover. Surg Obes Relat Dis 2014; 10:1056-62. [PMID: 25443074 DOI: 10.1016/j.soard.2014.06.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Revised: 06/04/2014] [Accepted: 06/07/2014] [Indexed: 01/30/2023]
Abstract
BACKGROUND Despite multiple beneficial effects of weight loss after laparoscopic Roux-en-Y gastric bypass (LRYGB), the influence on bone mineral density (BMD) remains largely unknown. Our objective was to evaluate the changes in BMD and serum/urine bone markers after LRYGB. METHODS Thirty-four women undergoing LRYGB were prospectively enrolled and underwent bone densitometry and serum/urine analysis preoperatively and 1 year postoperative. Changes≥.025 g/cm(2) in hip, femoral neck, and spine BMD and decreases>2% in total BMD were considered significant. Statistical analysis included paired t tests and McNemar's test. RESULTS Mean age was 44.6 years. Body mass index at the preoperative and 1-year postoperative intervals were 46.7 and 29.6 kg/m(2), respectively. Mean hip, femoral neck, and spine (L1-L4) BMD was 1.191 versus 1.087 g/cm(2) (P< .001), 1.105 versus 1.032 g/cm(2) (P< .001), and 1.323 versus 1.277 g/cm(2) (P< .001) at the preoperative and 1 year postoperative intervals, respectively. Mean total BMD decreased from 1.328 preoperatively to 1.251 g/cm(2) at 1 year postoperative (P<.001). The decreases in BMD were 5.8%, 6.5%, 3.5%, and 8.8% for hip, femoral neck, spine (L1-L4) and total BMD from preoperative to 1 year postoperative. The proportion of patients with low vitamin D levels decreased from 55% preoperatively to 21% at 1 year postoperative (P = .004). Elevated osteocalcin and bone alkaline phosphatase was observed in 4% and 63% (P<.001), and 14% and 41% (P = .011) of patients preoperatively and at 1 year postoperative, respectively. CONCLUSION BMD and bone markers changed significantly after LRYGB. Current recommendations for supplementation in post-LRYGB women may need to be reevaluated.
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Affiliation(s)
- Kosisochi M Obinwanne
- Minimally Invasive Bariatric Surgery and Advanced Laparoscopy Fellowship, Gundersen Health System, La Crosse, Wisconsin
| | - Kevin P Riess
- Department of Surgery, Essentia Health, Duluth, Minnesota
| | - Kara J Kallies
- Department of Research, Gundersen Medical Foundation, La Crosse, Wisconsin
| | | | - Brian R Manske
- Department of Radiology, Gundersen Health System, La Crosse, Wisconsin
| | - Shanu N Kothari
- Department of General and Vascular Surgery, Gundersen Health System, La Crosse, Wisconsin.
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