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Sharma P, Cheng J, Coulthard A. Where does the gadolinium go? A review into the excretion and retention of intravenous gadolinium. J Med Imaging Radiat Oncol 2023; 67:742-752. [PMID: 37665796 DOI: 10.1111/1754-9485.13581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 08/19/2023] [Indexed: 09/06/2023]
Abstract
Gadolinium-based contrast agents (GBCAs) are commonly used in medical imaging. Most intravenously (IV) administered gadolinium is excreted via the kidneys, and pathological retention in renal failure leading to nephrogenic systemic fibrosis (NSF) is well described. More recently, retention of gadolinium in the body in the absence of renal disease has been identified, with unknown clinical consequences. Many patients are aware of this, either through the media or via comprehensive consent documentation. Some internet sites, without hard evidence, have suggested a constellation of possible symptoms associated with GBCA retention. Recent experience with patients ascribing symptoms to a contrast-enhanced MRI examination prompted this review of the fate of injected GBCA after MRI study, and of information available to patients online regarding gadolinium retention.
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Affiliation(s)
- Pranav Sharma
- Department of Medical Imaging, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
| | - Jeffrey Cheng
- Department of Medical Imaging, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
| | - Alan Coulthard
- Department of Medical Imaging, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
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2
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Ariyani W, Amano I, Koibuchi N. Isoflavones Mediate Dendritogenesis Mainly through Estrogen Receptor α. Int J Mol Sci 2023; 24:ijms24109011. [PMID: 37240356 DOI: 10.3390/ijms24109011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/09/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
The nuclear estrogen receptor (ER) and G-protein-coupled ER (GPER1) play a crucial role during brain development and are involved in dendrite and spine growth as well as synapse formation. Soybean isoflavones, such as genistein, daidzein, and S-equol, a daidzein metabolite, exert their action through ER and GPER1. However, the mechanisms of action of isoflavones on brain development, particularly during dendritogenesis and neuritogenesis, have not yet been extensively studied. We evaluated the effects of isoflavones using mouse primary cerebellar culture, astrocyte-enriched culture, Neuro-2A clonal cells, and co-culture with neurons and astrocytes. Soybean isoflavone-augmented estradiol mediated dendrite arborization in Purkinje cells. Such augmentation was suppressed by co-exposure with ICI 182,780, an antagonist for ERs, or G15, a selective GPER1 antagonist. The knockdown of nuclear ERs or GPER1 also significantly reduced the arborization of dendrites. Particularly, the knockdown of ERα showed the greatest effect. To further examine the specific molecular mechanism, we used Neuro-2A clonal cells. Isoflavones also induced neurite outgrowth of Neuro-2A cells. The knockdown of ERα most strongly reduced isoflavone-induced neurite outgrowth compared with ERβ or GPER1 knockdown. The knockdown of ERα also reduced the mRNA levels of ER-responsive genes (i.e., Bdnf, Camk2b, Rbfox3, Tubb3, Syn1, Dlg4, and Syp). Furthermore, isoflavones increased ERα levels, but not ERβ or GPER1 levels, in Neuro-2A cells. The co-culture study of Neuro-2A cells and astrocytes also showed an increase in isoflavone-induced neurite growth, and co-exposure with ICI 182,780 or G15 significantly reduced the effects. In addition, isoflavones increased astrocyte proliferation via ER and GPER1. These results indicate that ERα plays an essential role in isoflavone-induced neuritogenesis. However, GPER1 signaling is also necessary for astrocyte proliferation and astrocyte-neuron communication, which may lead to isoflavone-induced neuritogenesis.
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Affiliation(s)
- Winda Ariyani
- Metabolic Signal Research Center, Institute for Molecular and Cellular Regulation, Gunma University, 3-39-15 Showa-machi, Maebashi 371-8512, Japan
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Japan
| | - Izuki Amano
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Japan
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi 371-8511, Japan
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3
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Mohammadzadeh M, Kolahi S, Mehrabi Nejad MM, Firouznia K, Naghibi H, Mohammadzadeh A, Shakiba M, Mohebi F, Komaki H, Sharifian H, Hashemi H, Harirchian MH, Azimi A, Adin ME, Yousem DM. Does Gadolinium Deposition Lead to Metabolite Alteration in the Dentate Nucleus? An MRS Study in Patients with MS. AJNR Am J Neuroradiol 2022; 43:1403-1410. [PMID: 36574329 PMCID: PMC9575534 DOI: 10.3174/ajnr.a7623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 07/01/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND AND PURPOSE Repeat contrast-enhanced MR imaging exposes patients with relapsing-remitting MS to frequent administration of gadolinium-based contrast agents. We aimed to investigate the potential metabolite and neurochemical alterations of visible gadolinium deposition on unenhanced T1WI in the dentate nucleus using MRS. MATERIALS AND METHODS This prospective study was conducted in a referral university hospital from January 2020 to July 2021. The inclusion criteria for case and control groups were as follows: 1) case: patients with relapsing-remitting MS, visible gadolinium deposition in the dentate nucleus (ribbon sign), >5 contrast-enhanced MR images obtained; 2) control 1: patients with relapsing-remitting MS without visible gadolinium deposition in the dentate nucleus, >5 contrast-enhanced MR images obtained; 3) control 2: patients with relapsing-remitting MS without visible gadolinium deposition in the dentate nucleus, <5 contrast-enhanced-MR images obtained; and 4) control 3: adult healthy individuals, with no contrast-enhanced MR imaging. Dentate nucleus and pontine single-voxel 12 × 12 × 12 MRS were analyzed using short TEs. RESULTS Forty participants (10 per group; 27 [67.5%] female; mean age, 35.6 [SD, 9.6] years) were enrolled. We did not detect any significant alteration in the levels of NAA and choline between the studied groups. The mean concentrations of mIns were 2.7 (SD, 0.73) (case), 1.5 (SD, 0.8) (control 1), 2.4 (SD, 1.2) (control 2), and 1.7 (SD, 1.2) (control 3) (P = .04). The mean concentration of Cr and mIns (P = .04) and the relative metabolic concentration (dentate nucleus/pons) of lipid 1.3/Cr (P = .04) were significantly higher in the case-group than in healthy individuals (controls 1-3). Further analyses compared the case group with cumulative control 1 and 2 groups and showed a significant increase in lactate (P = .02), lactate/Cr (P = .04), and Cr (dentate nucleus/pons) (P = .03) in the case group. CONCLUSIONS Although elevated concentrations of Cr, lactate, mIns, and lipid in the dentate nucleus of the case group indicate a metabolic disturbance, NAA and choline levels were normal, implying no definite neuronal damage.
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Affiliation(s)
- M Mohammadzadeh
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - S Kolahi
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - M-M Mehrabi Nejad
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - K Firouznia
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - H Naghibi
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - A Mohammadzadeh
- Department of Radiology (A.M.), Iran University of Medical Sciences, Tehran, Iran
| | - M Shakiba
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - F Mohebi
- Hass School of Business (F.M.), University of California, Berkeley, Berkeley, California
| | - H Komaki
- Khoury College of Computer Sciences (H.K.), Northeastern University, Boston, Massachusetts
| | - H Sharifian
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - H Hashemi
- From the Departments of Radiology (M.M., S.K., M.-M.M.N., K.F., H.N., M.S., H.S., H.H.)
| | - M H Harirchian
- Neurology (M.H.H., A.A.), Tehran University of Medical Sciences, Tehran, Iran
| | - A Azimi
- Neurology (M.H.H., A.A.), Tehran University of Medical Sciences, Tehran, Iran
| | - M E Adin
- Department of Radiology and Biomedical Imaging (M.E.A.), Yale School of Medicine, New Haven, Connecticut
| | - D M Yousem
- Department of Radiology (D.M.Y.), Johns Hopkins University School of Medicine, Baltimore, Maryland
- Department of Radiology (D.M.Y.), Johns Hopkins University School of Medicine, Baltimore, Maryland
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Gadolinium-based contrast agent accelerates the migration of astrocyte via integrin αvβ3 signaling pathway. Sci Rep 2022; 12:5850. [PMID: 35393504 PMCID: PMC8990080 DOI: 10.1038/s41598-022-09882-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 03/29/2022] [Indexed: 11/08/2022] Open
Abstract
Gadolinium (Gd)-based contrast agents (GBCAs) are chemicals injected intravenously during magnetic resonance imaging to enhance the diagnostic yield. Repeated use of GBCAs causes their deposition in the brain. Such deposition may affect various neuronal cells, including astrocytes. In this study, we examined the effect of GBCAs (Omniscan, Magnescope, Magnevist, and Gadovist) on astrocyte migration, which is critical for formation of neurons during development and maintaining brain homeostasis. All GBCAs increased cell migration and adhesion with increased actin remodelling. Knockdown of integrin αvβ3 by RNAi or exposure to integrin αvβ3 inhibitor reduced astrocyte migration. GBCAs increased phosphorylation of downstream factors of αvβ3, such as FAK, ERK1/2, and Akt. The phosphorylation of all these factors were reduced by RNAi or integrin αvβ3 inhibitor. GBCAs also increased the phosphorylation of their downstream factor, Rac1/cdc42, belonging to the RhoGTPases family. Coexposure to the selective RhoGTPases inhibitors, decreased the effects of GBCAs on cell migration. These findings indicate that GBCAs exert their action via integrin αvβ3 to activate the signaling pathway, resulting in increased astrocyte migration. Thus, the findings of the study suggest that it is important to avoid the repeated use of GBCAs to prevent adverse side effects in the brain, particularly during development.
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Vaudin P, Augé C, Just N, Mhaouty-Kodja S, Mortaud S, Pillon D. When pharmaceutical drugs become environmental pollutants: Potential neural effects and underlying mechanisms. ENVIRONMENTAL RESEARCH 2022; 205:112495. [PMID: 34883077 DOI: 10.1016/j.envres.2021.112495] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 11/12/2021] [Accepted: 12/01/2021] [Indexed: 06/13/2023]
Abstract
Pharmaceutical drugs have become consumer products, with a daily use for some of them. The volume of production and consumption of drugs is such that they have become environmental pollutants. Their transfer to wastewater through urine, feces or rinsing in case of skin use, associated with partial elimination by wastewater treatment plants generalize pollution in the hydrosphere, including drinking water, sediments, soils, the food chain and plants. Here, we review the potential effects of environmental exposure to three classes of pharmaceutical drugs, i.e. antibiotics, antidepressants and non-steroidal anti-inflammatory drugs, on neurodevelopment. Experimental studies analyzing their underlying modes of action including those related to endocrine disruption, and molecular mechanisms including epigenetic modifications are presented. In addition, the contribution of brain imaging to the assessment of adverse effects of these three classes of pharmaceuticals is approached.
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Affiliation(s)
- Pascal Vaudin
- Physiologie de La Reproduction et des Comportements, CNRS, IFCE, INRAE, Université de Tours, PRC, F-37380, Nouzilly, France.
| | - Corinne Augé
- UMR 1253, IBrain, University of Tours, INSERM, 37000, Tours, France
| | - Nathalie Just
- Physiologie de La Reproduction et des Comportements, CNRS, IFCE, INRAE, Université de Tours, PRC, F-37380, Nouzilly, France
| | - Sakina Mhaouty-Kodja
- Sorbonne Université, CNRS, INSERM, Neuroscience Paris Seine - Institut de Biologie Paris Seine, 75005, Paris, France
| | - Stéphane Mortaud
- Immunologie et Neurogénétique Expérimentales et Moléculaires, UMR7355, CNRS, Université D'Orléans, 45000, Orléans, France
| | - Delphine Pillon
- Physiologie de La Reproduction et des Comportements, CNRS, IFCE, INRAE, Université de Tours, PRC, F-37380, Nouzilly, France
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Snoderly HT, Freshwater KA, Martinez de la Torre C, Panchal DM, Vito JN, Bennewitz MF. PEGylation of Metal Oxide Nanoparticles Modulates Neutrophil Extracellular Trap Formation. BIOSENSORS 2022; 12:bios12020123. [PMID: 35200382 PMCID: PMC8869785 DOI: 10.3390/bios12020123] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/04/2022] [Accepted: 02/13/2022] [Indexed: 06/01/2023]
Abstract
Novel metal oxide nanoparticle (NP) contrast agents may offer safety and functionality advantages over conventional gadolinium-based contrast agents (GBCAs) for cancer diagnosis by magnetic resonance imaging. However, little is known about the behavior of metal oxide NPs, or of their effect, upon coming into contact with the innate immune system. As neutrophils are the body's first line of defense, we sought to understand how manganese oxide and iron oxide NPs impact leukocyte functionality. Specifically, we evaluated whether contrast agents caused neutrophils to release web-like fibers of DNA known as neutrophil extracellular traps (NETs), which are known to enhance metastasis and thrombosis in cancer patients. Murine neutrophils were treated with GBCA, bare manganese oxide or iron oxide NPs, or poly(lactic-co-glycolic acid) (PLGA)-coated metal oxide NPs with different incorporated levels of poly(ethylene glycol) (PEG). Manganese oxide NPs elicited the highest NETosis rates and had enhanced neutrophil uptake properties compared to iron oxide NPs. Interestingly, NPs with low levels of PEGylation produced more NETs than those with higher PEGylation. Despite generating a low rate of NETosis, GBCA altered neutrophil cytokine expression more than NP treatments. This study is the first to investigate whether manganese oxide NPs and GBCAs modulate NETosis and reveals that contrast agents may have unintended off-target effects which warrant further investigation.
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Ariyani W, Miyazaki W, Amano I, Koibuchi N. Involvement of integrin αvβ3 in thyroid hormone-induced dendritogenesis. Front Endocrinol (Lausanne) 2022; 13:938596. [PMID: 36072926 PMCID: PMC9441609 DOI: 10.3389/fendo.2022.938596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 07/29/2022] [Indexed: 11/15/2022] Open
Abstract
Activation and/or modulation of the membrane-associated receptors plays a critical role in brain development. Thyroid hormone (TH) acts on both nuclear receptors (thyroid hormone receptor, TR) and membrane-associated receptors, particularly integrin αvβ3 in neurons and glia. Integrin αvβ3-mediated signal transduction mediates various cellular events during development including morphogenesis, migration, synaptogenesis, and intracellular metabolism. However, the involvement of integrin αvβ3-mediated TH action during brain development remains poorly understood. Thus, we examined the integrin αvβ3-mediated effects of TH (T3, T4, and rT3) in the neurons and astrocytes using primary cerebellar culture, astrocyte-enriched culture, Neuro-2A clonal cells, and co-culture of neurons and astrocytes. We found that TH augments dendrite arborization of cerebellar Purkinje cells. This augmentation was suppressed by knockdown of integrin αvβ3, as well as TRα and TRβ. A selective integrin αvβ3 antagonist, LM609, was also found to suppress TH-induced arborization. However, whether this effect was a direct action of TH on Purkinje cells or due to indirect actions of other cells subset such as astrocytes was not clarified. To further study neuron-specific molecular mechanisms, we used Neuro-2A clonal cells and found TH also induces neurite growth. TH-induced neurite growth was reduced by co-exposure with LM609 or knockdown of TRα, but not TRβ. Moreover, co-culture of Neuro-2A and astrocytes also increased TH-induced neurite growth, indicating astrocytes may be involved in neuritogenesis. TH increased the localization of synapsin-1 and F-actin in filopodia tips. TH exposure also increased phosphorylation of FAK, Akt, and ERK1/2. Phosphorylation was suppressed by co-exposure with LM609 and TRα knockdown. These results indicate that TRs and integrin αvβ3 play essential roles in TH-induced dendritogenesis and neuritogenesis. Furthermore, astrocytes-neuron communication via TR-dependent and TR-independent signaling through membrane receptors and F-actin are required for TH-induced neuritogenesis.
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Affiliation(s)
- Winda Ariyani
- International Research Fellow of Japan Society for the Promotion of Science, Tokyo, Japan
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
- *Correspondence: Winda Ariyani, ; Noriyuki Koibuchi,
| | - Wataru Miyazaki
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
- Department of Bioscience and Laboratory Medicine, Hirosaki University Graduate School of Health Science, Hirosaki, Aomori, Japan
| | - Izuki Amano
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
- *Correspondence: Winda Ariyani, ; Noriyuki Koibuchi,
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Manto MU. Cerebellotoxic Agents. HANDBOOK OF THE CEREBELLUM AND CEREBELLAR DISORDERS 2022:2363-2408. [DOI: 10.1007/978-3-030-23810-0_96] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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9
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Kartamihardja AAP, Ariyani W, Hanaoka H, Taketomi-Takahashi A, Koibuchi N, Tsushima Y. The Role of Ferrous Ion in the Effect of the Gadolinium-Based Contrast Agents (GBCA) on the Purkinje Cells Arborization: An In Vitro Study. Diagnostics (Basel) 2021; 11:diagnostics11122310. [PMID: 34943547 PMCID: PMC8699861 DOI: 10.3390/diagnostics11122310] [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: 10/29/2021] [Revised: 11/23/2021] [Accepted: 12/06/2021] [Indexed: 11/27/2022] Open
Abstract
Gadolinium deposition in the brain has been observed in areas rich in iron, such as the dentate nucleus of the cerebellum. We investigated the role of Fe2+ in the effect of gadolinium-based contrast agents (GBCA) on thyroid hormone-mediated Purkinje cell dendritogenesis in a cerebellar primary culture. The study comprises the control group, Fe2+ group, GBCA groups (gadopentetate group or gadobutrol group), and GBCA+Fe2+ groups. Immunocytochemistry was performed with an anti-calbindin-28K (anti-CaBP28k) antibody, and the nucleus was stained with 4′,6-diamidino-2-phenylindole (DAPI). The number of Purkinje cells and their arborization were evaluated with an analysis of variance with a post-hoc test. The number of Purkinje cells was similar to the control groups among all treated groups. There were no significant differences in dendrite arborization between the Fe2+ group and the control groups. The dendrite arborization was augmented in the gadopentetate and the gadobutrol groups when compared to the control group (p < 0.01, respectively). Fe2+ significantly increased the effect of gadopentetate on dendrite arborization (p < 0.01) but did not increase the effect of gadobutrol. These findings suggested that the chelate thermodynamic stability and Fe2+ may play important roles in attenuating the effect of GBCAs on the thyroid hormone-mediated dendritogenesis of Purkinje cells in in vitro settings.
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Affiliation(s)
- Achmad Adhipatria Perayabangsa Kartamihardja
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan; (A.A.P.K.); (A.T.-T.)
- Department of Nuclear Medicine and Molecular Imaging, Universitas Padjajaran, Bandung 40161, Indonesia
| | - Winda Ariyani
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan; (W.A.); (N.K.)
| | - Hirofumi Hanaoka
- Department of Bioimaging and Information Analysis, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan;
| | - Ayako Taketomi-Takahashi
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan; (A.A.P.K.); (A.T.-T.)
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan; (W.A.); (N.K.)
| | - Yoshito Tsushima
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan; (A.A.P.K.); (A.T.-T.)
- Division of Integrated Oncology Research, Gunma Initiative for Advanced Research, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan
- Correspondence:
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Kartamihardja AAP, Amalia SN, Sekiguchi A, Bhattarai A, Taketomi-Takahashi A, Motegi SI, Koyama H, Tsushima Y. Neutrophil elastase in the development of nephrogenic systemic fibrosis (NSF)-like skin lesion in renal failure mouse model. PLoS One 2021; 16:e0259211. [PMID: 34705860 PMCID: PMC8550606 DOI: 10.1371/journal.pone.0259211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 10/14/2021] [Indexed: 11/18/2022] Open
Abstract
Although neutrophil elastase (NE) may play a role in lung fibrosis and liver fibrosis, NE involvement in the development of nephrogenic systemic fibrosis has been unclear. We investigated the involvement of NE in the development of nephrogenic systemic fibrosis-like skin lesions post-injections of linear gadolinium-based contrast agents in renal failure mouse models. Renal failure mouse models were randomly divided into three groups: control group (saline), gadodiamide group, and gadopentetate group. Each solution was intravenously administered three times per week for three weeks. The mice were observed daily for skin lesions. Quantification of skin lesions, infiltrating inflammatory cells, and profibrotic cytokines in the affected skin was performed by immunostaining and reverse-transcription polymerase chain reaction (RT-PCR). Blood samples were collected from the facial vein to quantify NE enzymatic activity. The 158Gd concentrations in each sample were quantified using inductively coupled plasma mass spectrometry (ICP-MS). In the gadodiamide group, the mRNA expression of fibrotic markers was increased in the skin lesions compared to the control group. In the gadopentetate group, only collagen 1α and TGF-β mRNA expression were higher than in the control group. The expression of CD3+, CD68+, NE cells and the NE activity in the blood serum were significantly higher in the gadodiamide and gadopentetate groups compared to the control group. Gadolinium concentration in the skin of the gadodiamide group was significantly higher than the gadopentetate group, while almost no traces of gadolinium were found in the control group. Although gadopentetate and gadodiamide affected the fibrotic markers in the skin differently, NE may be involved in the development of fibrosis linked to the GBCAs injections in renal failure mouse models.
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Affiliation(s)
- A. Adhipatria P. Kartamihardja
- Department of Diagnostic Radiology and Nuclear Medicine Department, Gunma University Graduate School of Medicine, Maebashi, Japan
- Department of Nuclear Medicine and Molecular Imaging, Universitas Padjajaran, Sumedang, Indonesia
| | - Syahla Nisaa Amalia
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Akiko Sekiguchi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Anu Bhattarai
- National Academy of Medical Sciences (NAMS), Bir Hospital, Kathmandu, Nepal
| | - Ayako Taketomi-Takahashi
- Department of Diagnostic Radiology and Nuclear Medicine Department, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sei-ichiro Motegi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Hiroshi Koyama
- Department of Public Health, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Yoshito Tsushima
- Department of Diagnostic Radiology and Nuclear Medicine Department, Gunma University Graduate School of Medicine, Maebashi, Japan
- Division of Integrated Oncology Research, Gunma Initiative for Advanced Research, Gunma University Graduate School of Medicine, Maebashi, Japan
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Khairinisa MA, Ariyani W, Tsushima Y, Koibuchi N. Effects of Gadolinium Deposits in the Cerebellum: Reviewing the Literature from In Vitro Laboratory Studies to In Vivo Human Investigations. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18147214. [PMID: 34299664 PMCID: PMC8305034 DOI: 10.3390/ijerph18147214] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/30/2021] [Accepted: 07/02/2021] [Indexed: 12/30/2022]
Abstract
Gadolinium (Gd)-based contrast agents (GBCAs) are chemicals injected intravenously during magnetic resonance imaging (MRI) to enhance the diagnostic yield. The repeated use of GBCAs can cause their deposition in the brain, including the cerebellum. Such deposition may affect various cell subsets in the brain and consequently cause behavioral alterations due to neurotoxicity. Caution should thus be exercised in using these agents, particularly in patients who are more likely to have repeated enhanced MRIs during their lifespan. Further studies are required to clarify the toxicity of GBCAs, and potential mechanisms causing neurotoxicity have recently been reported. This review introduces the effects of GBCAs in the cerebellum obtained from in vitro and in vivo studies and considers the possible mechanisms of neurotoxicity involved.
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Affiliation(s)
- Miski Aghnia Khairinisa
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan;
- Program Study of Pharmacy, Faculty of Mathematics and Natural Sciences, Bandung Islamic University, Bandung 40116, Indonesia
| | - Winda Ariyani
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan;
- Research Fellow of Japan Society for the Promotion of Science, Tokyo 102-0083, Japan
- Correspondence: (W.A.); (N.K.)
| | - Yoshito Tsushima
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan;
- Gunma University Initiative for Advanced Research (GIAR), Maebashi 371-8511, Japan
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi 371-8511, Japan;
- Correspondence: (W.A.); (N.K.)
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Yajima H, Amano I, Ishii S, Sadakata T, Miyazaki W, Takatsuru Y, Koibuchi N. Absence of Thyroid Hormone Induced Delayed Dendritic Arborization in Mouse Primary Hippocampal Neurons Through Insufficient Expression of Brain-Derived Neurotrophic Factor. Front Endocrinol (Lausanne) 2021; 12:629100. [PMID: 33708176 PMCID: PMC7940752 DOI: 10.3389/fendo.2021.629100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 01/06/2021] [Indexed: 12/22/2022] Open
Abstract
Thyroid hormone (TH) plays important roles in the developing brain. TH deficiency in early life leads to severe developmental impairment in the hippocampus. However, the mechanisms of TH action in the developing hippocampus are still largely unknown. In this study, we generated 3,5,3'-tri-iodo-l-thyronine (T3)-free neuronal supplement, based on the composition of neuronal supplement 21 (NS21), to examine the effect of TH in the developing hippocampus using primary cultured neurons. Effects of TH on neurons were compared between cultures in this T3-free culture medium (-T3 group) and a medium in which T3 was added (+T3 group). Morphometric analysis and RT-qPCR were performed on 7, 10, and 14 days in vitro (DIV). On 10 DIV, a decreased dendrite arborization in -T3 group was observed. Such difference was not observed on 7 and 14 DIV. Brain-derived neurotrophic factor (Bdnf) mRNA levels also decreased significantly in -T3 group on 10 DIV. We then confirmed protein levels of phosphorylated neurotrophic tyrosine kinase type 2 (NTRK2, TRKB), which is a receptor for BDNF, on 10 DIV by immunocytochemistry and Western blot analysis. Phosphorylated NTRK2 levels significantly decreased in -T3 group compared to +T3 group on 10 DIV. Considering the role of BDNF on neurodevelopment, we examined its involvement by adding BDNF on 8 and 9 DIV. Addition of 10 ng/ml BDNF recovered the suppressed dendrite arborization induced by T3 deficiency on 10 DIV. We show that the lack of TH induces a developmental delay in primary hippocampal neurons, likely caused through a decreased Bdnf expression. Thus, BDNF may play a role in TH-regulated dendritogenesis.
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Affiliation(s)
- Hiroyuki Yajima
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Izuki Amano
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sumiyasu Ishii
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Tetsushi Sadakata
- Education and Research Support Center, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Wataru Miyazaki
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
- Department of Bioscience and Laboratory Medicine, Hirosaki University Graduate School of Health Sciences, Hirosaki, Japan
| | - Yusuke Takatsuru
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
- Department of Medicine, Johmoh Hospital, Maebashi, Japan
- Department of Nutrition and Health Sciences, Toyo University, Itakura, Japan
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
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13
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Manto MU. Cerebellotoxic Agents. HANDBOOK OF THE CEREBELLUM AND CEREBELLAR DISORDERS 2021:1-46. [DOI: 10.1007/978-3-319-97911-3_96-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 12/15/2020] [Indexed: 09/02/2023]
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14
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Schwarze V, Froelich MF, Marschner C, Knösel T, Rübenthaler J, Clevert DA. Safe and pivotal approaches using contrast-enhanced ultrasound for the diagnostic workup of non-obstetric conditions during pregnancy, a single-center experience. Arch Gynecol Obstet 2021; 303:103-112. [PMID: 32761368 DOI: 10.1007/s00404-020-05735-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 07/31/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE Conventional ultrasound is the main imaging modality in obstetrics for assessing the maternal and fetal status. Up to date, contrast-enhanced ultrasound (CEUS) has not found widespread use in gynecology and obstetrics, but recent studies demonstrate promising results. The aim of the present study is to assess safe and valuable application of CEUS during pregnancy to investigate non-obstetric conditions. METHODS Five pregnant patients on whom CEUS was performed between 2019 and 2020 were included in this retrospective single-center study. A total of six CEUS examinations were performed including one CEUS-guided biopsy (mean age: 31 years, mean weeks of pregnancy: 18 weeks). CEUS examinations were performed by a consultant radiologist (EFSUMB level 3). RESULTS All included pregnant women safely underwent CEUS. Neither maternal nor fetal adverse effects were detected. CEUS critically helped in the diagnostic workup of a desmoid tumor of the abdominal wall, hepatic hemangioma, amebic hepatic abscess, uncomplicated renal cyst and post-inflammatory alteration of the renal cortex and for excluding active abdominal bleeding. In addition, CEUS-guided biopsy was performed to prevent intratumoral hemorrhage. Findings from CEUS prompted immediate treatment in two women, whereas in three women regular obstetric monitoring of the women could be conducted. CONCLUSION Our results demonstrate safe and crucial application of off-label CEUS in pregnant women to assess different non-obstetric conditions allowing to prevent additional ionizing CT or application of (gadolinium-based) contrast agent in MRI. Hence, CEUS might add pivotal value for evaluating obstetric and non-obstetric conditions and thereby directing clinical management of pregnant women in the future.
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Affiliation(s)
- Vincent Schwarze
- Department of Radiology, University Hospital LMU, Ludwig-Maximilians-University Munich, Grosshadern Campus, Munich, Germany.
| | - Matthias Frank Froelich
- Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Mannheim, Germany
| | - Constantin Marschner
- Department of Radiology, University Hospital LMU, Ludwig-Maximilians-University Munich, Grosshadern Campus, Munich, Germany
| | - Thomas Knösel
- Institute of Pathology, University Hospital LMU, Ludwig-Maximilians-University Munich, Grosshadern Campus, Munich, Germany
| | - Johannes Rübenthaler
- Department of Radiology, University Hospital LMU, Ludwig-Maximilians-University Munich, Grosshadern Campus, Munich, Germany
| | - Dirk-André Clevert
- Department of Radiology, University Hospital LMU, Ludwig-Maximilians-University Munich, Grosshadern Campus, Munich, Germany
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15
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Bücker P, Richter H, Radbruch A, Sperling M, Brand M, Holling M, Van Marck V, Paulus W, Jeibmann A, Karst U. Deposition patterns of iatrogenic lanthanum and gadolinium in the human body depend on delivered chemical binding forms. J Trace Elem Med Biol 2021; 63:126665. [PMID: 33152670 DOI: 10.1016/j.jtemb.2020.126665] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Recently, gadolinium from linear GBCAs has been reported to deposit in various regions of the body. Besides gadolinium, other lanthanides are used in medical care. In the current study, we investigated deposition of lanthanum in two patients who received lanthanum carbonate as a phosphate binder due to chronic kidney injury and compared it to additionally found Gd deposition. METHODS Tissue specimens of two patients with long-term application of lanthanum carbonate as well as possible GBCA application were investigated. Spatial distribution of gadolinium and lanthanum was determined by quantitative laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) imaging of tissue sections. The deposition of gadolinium and lanthanum in different organs was compared, and the ratio of Gd concentration to La concentration (Gd-to-La-ratio) was investigated on an individual pixel base within the images. RESULTS Deposition of Gd and La was found in all investigated tissues of both patients. Gd and La exhibited high spatial correlation for all samples, with the main deposition being located in the middle coat (tunica media) of blood vessels. The Gd-to-La-ratio was similar in the tissues investigated (between 8 ± 4 (mean ± standard deviation) and 10 ± 2), except for the thyroid vasculature and surrounding tissue (90 ± 17) as well as the cerebellum (270 ± 18). Here, the ratio was significantly increased towards higher Gd concentration. CONCLUSION The results of this study demonstrate long-term deposition of La and comparable localization of additionally found Gd in various tissues of the body. La deposition was relatively low, considering the total administered amount of lanthanum carbonate of up to 11.5 kg, indicating a low absorption and/or high excretion of lanthanum. However, the total amount of deposited La is significant and raises questions about possible adverse side effects. The ratio-approach allows for the usage of the additionally generated Gd data, without detailed knowledge about possible GBCA applications. The significantly decreased Gd-to-La-ratio in the brain might be explained by the lanthanum being released and taken up as free La3+ ion in the stomach that impedes a crossing of the blood-brain-barrier while the intravenously injected GBCAs might dechelate first when they have already crossed the blood-brain-barrier.
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Affiliation(s)
- Patrick Bücker
- Institute of Inorganic and Analytical Chemistry, University of Münster, 48149 Münster, Germany
| | - Henning Richter
- Diagnostic Imaging Research Unit (DIRU), Clinic for Diagnostic Imaging, University of Zurich, CH-8057 Zurich, Switzerland
| | - Alexander Radbruch
- Department of Diagnostic and Interventional Radiology and Neuroradiology, University Clinic Essen, University Duisburg-Essen, 45147 Essen, Germany; Department of Diagnostic and Interventional Neuroradiology, University Clinic Bonn, 53127 Bonn, Germany
| | - Michael Sperling
- Institute of Inorganic and Analytical Chemistry, University of Münster, 48149 Münster, Germany; European Virtual Institute for Speciation Analysis (EVISA), 48149 Münster, Germany
| | - Marcus Brand
- Department of Medicine D, University Hospital Münster, Division of General Internal Medicine, Nephrology and Rheumatology, 48149 Münster, Germany
| | - Markus Holling
- Department of Neurosurgery, University Hospital Münster, 48149 Münster, Germany
| | - Veerle Van Marck
- Department of Pathology, University Hospital Münster, 48149 Münster, Germany
| | - Werner Paulus
- Department of Neuropathology, University Hospital Münster, 48149 Münster, Germany
| | - Astrid Jeibmann
- Department of Neuropathology, University Hospital Münster, 48149 Münster, Germany
| | - Uwe Karst
- Institute of Inorganic and Analytical Chemistry, University of Münster, 48149 Münster, Germany.
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Contrast-Enhanced Ultrasound for Assessing Abdominal Conditions in Pregnancy. ACTA ACUST UNITED AC 2020; 56:medicina56120675. [PMID: 33302381 PMCID: PMC7762549 DOI: 10.3390/medicina56120675] [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: 11/24/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 02/07/2023]
Abstract
Background and objectives: Native ultrasound is the most common imaging modality in obstetrics. The use of contrast-enhanced ultrasound (CEUS) during pregnancy has not been officially approved by leading societies for obstetrics and ultrasound. The present study aims to monitor the safety and diagnostic performance of CEUS for assessing abdominal issues in five pregnant women. Materials and Methods: Five pregnant patients who underwent a total of 11 CEUS examinations between June 2020 and October 2020 were included (mean age: 34 years; mean time of pregnancy: 21 weeks). All CEUS scans were interpreted by one experienced consultant radiologist (EFSUMB Level 3). Results: Upon contrast application, no maternal nor fetal adverse effects were observed. Moreover, no fetal contrast enhancement was observed in any patient. CEUS helped to diagnose renal angiomyolipoma, pyelonephritis, necrotic uterine fibroid, gallbladder polyp, and superior mesenteric vein thrombosis. Conclusions: In our study, off-label use of CEUS showed an excellent safety profile allowing the avoidance of ionizing radiation exposure as well as contrast agents in case of CT or use of gadolinium-based contrast agents in case of MRI. CEUS is a promising diagnostic instrument for facilitating clinical decision-making and improving the management of pregnant women.
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17
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Mallio CA, Rovira À, Parizel PM, Quattrocchi CC. Exposure to gadolinium and neurotoxicity: current status of preclinical and clinical studies. Neuroradiology 2020; 62:925-934. [DOI: 10.1007/s00234-020-02434-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 04/08/2020] [Indexed: 02/06/2023]
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18
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Kartamihardja AAP, Tsushima Y. The extra miles on preventing nephrogenic systemic fibrosis. Quant Imaging Med Surg 2019; 9:1911-1913. [PMID: 31867242 DOI: 10.21037/qims.2019.09.17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- A Adhipatria P Kartamihardja
- Diagnostic Radiology and Nuclear Medicine Department, Gunma University Graduate School of Medicine, Japan.,Department of Nuclear Medicine and Molecular Imaging, Universitas Padjajaran, Indonesia
| | - Yoshito Tsushima
- Diagnostic Radiology and Nuclear Medicine Department, Gunma University Graduate School of Medicine, Japan.,Gunma Initiative for Advance Research, Gunma University, Japan
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19
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Ariyani W, Miyazaki W, Koibuchi N. A Novel Mechanism of S-equol Action in Neurons and Astrocytes: The Possible Involvement of GPR30/GPER1. Int J Mol Sci 2019; 20:ijms20205178. [PMID: 31635400 PMCID: PMC6829462 DOI: 10.3390/ijms20205178] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/15/2019] [Accepted: 10/17/2019] [Indexed: 12/16/2022] Open
Abstract
S-equol is a major bacterial metabolite of the soy isoflavone daidzein. It is known to be a phytoestrogen that acts by binding to the nuclear estrogen receptors (ERs) that are expressed in various brain regions, including the cerebellum. However, the effects of S-equol on cerebellar development and function have not yet been extensively studied. In this study, the effects of S-equol were evaluated using a mouse primary cerebellar culture, Neuro-2A clonal cells, and an astrocyte-enriched culture. S-equol augmented the dendrite arborization of Purkinje cells induced by triiodothyronine (T3) and the neurite growth of Neuro-2A cell differentiation. Such augmentation was suppressed by G15, a selective G-protein coupled ER (GPR30) antagonist, and ICI 182,780, an antagonist for ERs in both cultures. On the other hand, in astrocytes, S-equol induced cell proliferation and cell migration with an increase in the phosphorylated extracellular-signal-regulated kinase 1/2 and F-actin rearrangements. Such effects were suppressed by G15, but not by ICI. These findings indicated that S-equol may enhanced cerebellar development by affecting both neurons and astrocytes through several signaling pathways, including GPR30 and ERs. We here report a novel mechanism of S-equol in cerebellar development that may provide a novel possibility to use S-equol supplementation during development.
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Affiliation(s)
- Winda Ariyani
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, 3-39-22 Showa-machi Maebashi, Gunma 371-8511, Japan.
| | - Wataru Miyazaki
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, 3-39-22 Showa-machi Maebashi, Gunma 371-8511, Japan.
- Department of Bioscience and Laboratory Medicine, Graduate School of Health Science, Hirosaki University, 66-1 Hon-cho Aomori, Hirosaki 036-8564, Japan.
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Graduate School of Medicine, Gunma University, 3-39-22 Showa-machi Maebashi, Gunma 371-8511, Japan.
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20
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The Effects of Gadolinium-Based Contrast Agents on the Cerebellum: from Basic Research to Neurological Practice and from Pregnancy to Adulthood. THE CEREBELLUM 2019; 17:247-251. [PMID: 29196974 DOI: 10.1007/s12311-017-0903-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Gadolinium (Gd)-based contrast agents (GBCAs) are used in magnetic resonance imaging (MRI) to increase the diagnostic yield. Current reports using animal models or human subjects have shown that GBCAs may be deposited in brain including the cerebellum. Although further studies may be required to clarify the toxicity of GBCAs, we should be more cautious to use these agents particularly in patients who more likely to have repeated enhanced MRI along their lifespan. In this editorial, current studies to clarify the toxicity of GBCAs in the cerebellum are introduced.
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21
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Kartamihardja AAP, Hanaoka H, Andriana P, Kameo S, Takahashi A, Koyama H, Tsushima Y. Quantitative analysis of Gd in the protein content of the brain following single injection of gadolinium-based contrast agents (GBCAs) by size exclusion chromatography. Br J Radiol 2019; 92:20190062. [PMID: 31045442 PMCID: PMC6636256 DOI: 10.1259/bjr.20190062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/26/2019] [Accepted: 04/23/2019] [Indexed: 01/05/2023] Open
Abstract
OBJECTIVE To investigate the role of transporter proteins in gadolinium (Gd) distribution and retention in the brain after one high-dose injection of Gd-based contrast agent (GBCA). METHODS AND MATERIALS 30 ddY mice were randomly divided into three treatment groups to be intravenously injected with either Gadodiamide (linear GBCA), Gadobutrol (macrocyclic GBCA), or Gadoterate (macrocyclic GBCA) at a dose of 5 mmol/kg, while five mice in the control group received 250 µL saline. Five minutes (5 min) and ten days (10d) post-injection, the cerebrospinal fluid (CSF), choroid plexus (CP), and meninges and associated vasculature (MAV) were collected. The brain was then dissected to obtain the olfactory bulb, cerebral cortex, hippocampus, cerebellum, and brainstem. Proteins were extracted and separated by a size-exclusion high-performance liquid chromatography (SEC) system, and Gd concentrations were quantified by inductively coupled plasma mass spectrometry (ICP-MS). RESULTS 5 m post-injection, the Gadodiamide group had the highest Gd concentration, while Gadoterate had the lowest Gd concentration in all parts of the brain (p < .05). Gd concentration was highest in the cerebrospinal fluid (CSF) of the Gadodiamide group (578.4 ± 135.3 nmol), while Gd concentration was highest in MAV in the Gadobutrol group (379.7 ± 75.4 nmol) at 5 min post-injection. At 10d, in spite of the significant decrease of Gd from all GBCAs ( p < 0.01), retained Gd from Gadodiamide was detected all over the brain in several molecules that varied in size. Gd from Gadobutrol detected in the olfactory bulb (8.7 ± 4.5 nmol) was significantly higher than in other parts of the brain. Although most Gd from Gadobutrol was found in molecules similar in size to Gadobutrol, it was also found in several protein molecules of molecular size larger than the contrast agents. Only a small amount of Gd from Gadoterate was found in the brain. CONCLUSION GBCAs may be able to pass through intact brain barriers, and the chemical structures of GBCAs may affect the penetration capability of Gd into the brain. Retained Gd in the brain tissue from Gadodiamide and Gadobutrol may be bound to some organic molecules, including proteins. ADVANCES IN KNOWLEDGE Intact GBCA are able to penetrate a series of brain barrier immediately after administration regardless the type of the chelate. Gd may be bound with macromolecules that may cause Gd retention in the brain.
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Affiliation(s)
| | - Hirofumi Hanaoka
- Department of Bioimaging and Information Analysis, Gunma University Graduate School of Medicine, Japan
| | - Putri Andriana
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Japan
| | - Satomi Kameo
- Department of Public Health, Gunma University Graduate School of Medicine, Japan
| | - Ayako Takahashi
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Japan
| | - Hiroshi Koyama
- Department of Public Health, Gunma University Graduate School of Medicine, Japan
| | - Yoshito Tsushima
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, Japan
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22
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Layne KA, Dargan PI, Archer JRH, Wood DM. Gadolinium deposition and the potential for toxicological sequelae - A literature review of issues surrounding gadolinium-based contrast agents. Br J Clin Pharmacol 2018; 84:2522-2534. [PMID: 30032482 DOI: 10.1111/bcp.13718] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/10/2018] [Accepted: 07/14/2018] [Indexed: 01/12/2023] Open
Abstract
Every year, approximately 30 million magnetic resonance imaging scans are enhanced with gadolinium-based contrast agents (GBCAs) worldwide. Although the development of nephrogenic systemic fibrosis in patients with renal impairment is well-documented, over recent years it has become apparent that exposure to GBCAs can potentially result in gadolinium deposition within human bone and brain tissue even in the presence of normal renal function. This review will address some of the controversies surrounding the safety of GBCA administration based on evidence from in vivo experiments, animal studies and clinical studies. We additionally evaluate the potential risk of toxicity from exposure to gadolinium in light of new guidance published by the US Food and Drug Administration and the European Medicines Agency, and discuss whether gadolinium deposition disease exists as a new diagnosis.
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Affiliation(s)
- Kerry A Layne
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust and Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Paul I Dargan
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust and Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - John R H Archer
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust and Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - David M Wood
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust and Faculty of Life Sciences and Medicine, King's College London, London, UK
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23
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Taketomi-Takahashi A, Tsushima Y. In Utero Exposure to Gadolinium-based Contrast Agents. Radiology 2018; 288:633-635. [DOI: 10.1148/radiol.2018180147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ayako Taketomi-Takahashi
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Yoshito Tsushima
- Department of Diagnostic Radiology and Nuclear Medicine, Gunma University Graduate School of Medicine, 3-39-15 Showa-machi, Maebashi, Gunma 371-8511, Japan
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