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Mizukami Y, Ito A, Hashimoto S, Ando T, Ishikawa Y, Eguchi H, Yoshino Y, Matsunaga T, Ikari A. Downregulation of chemoresistance by claudin-14 silencing in human colorectal cancer cells. Arch Biochem Biophys 2024; 758:110075. [PMID: 38942107 DOI: 10.1016/j.abb.2024.110075] [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: 04/25/2024] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 06/30/2024]
Abstract
An exceptional expression of claudins (CLDNs), tight junction (TJ) proteins, is observed in various solid cancer tissues. However, the pathophysiological roles of CLDNs have not been clarified in detail. CLDN14 is highly expressed in human colorectal cancer (CRC) tissues and cultured cancer epithelial cells. We found CLDN14 silencing decreased cell viability without affecting spheroid size in the three-dimensional (3D) spheroid model of DLD-1 cells derived from human CRC. Mitochondria activity and oxidative stress level were reduced by CLDN14 silencing. Furthermore, CLDN14 silencing decreased the expression levels of nuclear factor erythroid 2-related factor 2 (Nrf2) and its target antioxidative genes. CLDN14 was colocalized with ZO-1, a scaffolding protein in the TJ. CLDN14 silencing induced the disruption of TJ barrier such as the reduction of transepithelial electrical resistance and elevation of fluxes of small molecules including glucose in two-dimensional (2D) cultured model,. The depletion of glucose induced the elevation of ROS generation, mitochondria activity, and Nrf2 expression. These results suggest that CLDN14 increases Nrf2 expression in spheroids mediated via the formation of paracellular barrier to glucose. The cytotoxicities of doxorubicin, an anthracycline anticancer drug, and oxaliplatin, a platinum-based agent, were augmented by an Nrf2 activator in 2D cultured cells. The anticancer drug-induced toxicity was enhanced by CLDN14 silencing in 3D spheroids. We suggest that CLDN14 may potentiate chemoresistance mediated by the suppression of paracellular glucose permeability and activation of the Nrf2 signaling pathway in CRC cells.
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Affiliation(s)
- Yuko Mizukami
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu, 501-1196, Japan
| | - Ayaka Ito
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu, 501-1196, Japan
| | - Shotaro Hashimoto
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu, 501-1196, Japan
| | - Tomoka Ando
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu, 501-1196, Japan
| | - Yoshinobu Ishikawa
- Faculty of Pharmaceutical Sciences, Shonan University of Medical Sciences, 16-10 Kamishinano, Totsuka-ku, Yokohama, 244-0806, Japan
| | - Hiroaki Eguchi
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu, 501-1196, Japan
| | - Yuta Yoshino
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu, 501-1196, Japan
| | - Toshiyuki Matsunaga
- Laboratory of Bioinformatics, Gifu Pharmaceutical University, Gifu, 502-8585, Japan
| | - Akira Ikari
- Laboratory of Biochemistry, Department of Biopharmaceutical Sciences, Gifu Pharmaceutical University, Gifu, 501-1196, Japan.
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Rungrasameviriya P, Santilinon A, Atichartsintop P, Hadpech S, Thongboonkerd V. Tight junction and kidney stone disease. Tissue Barriers 2024; 12:2210051. [PMID: 37162265 PMCID: PMC10832927 DOI: 10.1080/21688370.2023.2210051] [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: 03/20/2023] [Accepted: 04/30/2023] [Indexed: 05/11/2023] Open
Abstract
Defects of tight junction (TJ) are involved in many diseases related to epithelial cell functions, including kidney stone disease (KSD), which is a common disease affecting humans for over a thousand years. This review provides brief overviews of KSD and TJ, and summarizes the knowledge on crystal-induced defects of TJ in renal tubular epithelial cells (RTECs) in KSD. Calcium oxalate (CaOx) crystals, particularly COM, disrupt TJ via p38 MAPK and ROS/Akt/p38 MAPK signaling pathways, filamentous actin (F-actin) reorganization and α-tubulin relocalization. Stabilizing p38 MAPK signaling, reactive oxygen species (ROS) production, F-actin and α-tubulin by using SB239063, N-acetyl-L-cysteine (NAC), phalloidin and docetaxel, respectively, successfully prevent the COM-induced TJ disruption and malfunction. Additionally, genetic disorders of renal TJ, including mutations and single nucleotide polymorphisms (SNPs) of CLDN2, CLDN10b, CLDN14, CLDN16 and CLDN19, also affect KSD. Finally, the role of TJ as a potential target for KSD therapeutics and prevention is also discussed.
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Affiliation(s)
- Papart Rungrasameviriya
- Nawamethee Project, Doctor of Medicine Program, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Aticha Santilinon
- Nawamethee Project, Doctor of Medicine Program, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Palita Atichartsintop
- Nawamethee Project, Doctor of Medicine Program, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sudarat Hadpech
- Medical Proteomics Unit, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Visith Thongboonkerd
- Medical Proteomics Unit, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Ullah I, Murtaza K, Ammara H, Misbah, Bhinder MA, Riaz A, Shehzad W, Zahoor MY. Association study of CLDN14 variations in patients with kidney stones. Open Life Sci 2022; 17:81-92. [PMID: 35291565 PMCID: PMC8886595 DOI: 10.1515/biol-2021-0134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 10/08/2021] [Accepted: 10/10/2021] [Indexed: 11/28/2022] Open
Abstract
Claudin-14 protein plays an essential role in regulating calcium ions in the kidney and ear. Two phenotypes, hearing loss and kidney stones, were reportedly associated with variations in the CLDN14 gene. This study aimed to understand CLDN14 mutations’ contribution to hearing loss and renal stone formation in a Pakistani cohort. We analyzed CLDN14 sequence variations in 100 patients, along with healthy individuals, to assess whether specific polymorphisms were associated with the disease. Also, we performed an in silico analysis using a mutation database and protein annotation. The rs219779’s genotype CT (p = 0.0020) and rs219780’s genotype AG (p = 0.0012) were significantly associated with kidney stones. We also found that a novel haplotype, “TA” associated with kidney stone formation, has moderate linkage disequilibrium. The TA haplotype was significantly correlated with a kidney stone risk formation of 3.76-fold (OR (CI 95%) = 3.76 (1.83–7.72)) and p = 0.0016 compared to other haplotypes. In silico analysis revealed that mutations associated with hearing loss were not correlated with renal stone formation but affected claudin-14 protein stability. We structurally mapped a novel TA haplotype of CLDN14 that, based on our analysis, likely contributes to the pathogenesis of renal stones.
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Affiliation(s)
- Ihsan Ullah
- Molecular Biology and Biotechnology Section, Institute of Biochemistry & Biotechnology, University of Veterinary & Animal Sciences , Syed Abdul Qadir Jillani (Out Fall) Road , Lahore 54000 , Pakistan
| | - Khadijah Murtaza
- Molecular Biology and Biotechnology Section, Institute of Biochemistry & Biotechnology, University of Veterinary & Animal Sciences , Syed Abdul Qadir Jillani (Out Fall) Road , Lahore 54000 , Pakistan
| | - Hafiza Ammara
- Molecular Biology and Biotechnology Section, Institute of Biochemistry & Biotechnology, University of Veterinary & Animal Sciences , Syed Abdul Qadir Jillani (Out Fall) Road , Lahore 54000 , Pakistan
| | - Misbah
- Department of Medicine, Services Hospital , Lahore 54000 , Pakistan
| | - Munir Ahmad Bhinder
- Department of Human Genetics and Molecular Biology, University of Health Sciences , Lahore 54000 , Pakistan
| | - Amjad Riaz
- Department of Theriogenology, University of Veterinary & Animal Sciences , Lahore 54000 , Pakistan
| | - Wasim Shehzad
- Molecular Biology and Biotechnology Section, Institute of Biochemistry & Biotechnology, University of Veterinary & Animal Sciences , Syed Abdul Qadir Jillani (Out Fall) Road , Lahore 54000 , Pakistan
| | - Muhammad Yasir Zahoor
- Molecular Biology and Biotechnology Section, Institute of Biochemistry & Biotechnology, University of Veterinary & Animal Sciences , Syed Abdul Qadir Jillani (Out Fall) Road , Lahore 54000 , Pakistan
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Yamaguti PM, dos Santos PAC, Leal BS, Santana VBBDM, Mazzeu JF, Acevedo AC, Neves FDAR. Identification of the first large deletion in the CLDN16 gene in a patient with FHHNC and late-onset of chronic kidney disease: case report. BMC Nephrol 2015; 16:92. [PMID: 26136118 PMCID: PMC4487846 DOI: 10.1186/s12882-015-0079-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 05/27/2015] [Indexed: 12/12/2022] Open
Abstract
Background Familial hypomagnesemia with hypercalciuria and nephrocalcinosis is a rare autosomal recessive renal disease characterized by tubular disorders at the thick ascending limb of Henle’s loop. It is caused by mutations in the tight junction structural proteins claudin-16 or claudin-19, which are encoded by the CLDN16 and CLDN19 genes, respectively. Patients exhibit excessive wasting of calcium and magnesium, nephrocalcinosis, chronic kidney disease, and early progression to end-stage renal failure during infancy. Case presentation We here report the phenotype and molecular analysis of a female Brazilian patient with a novel large homozygous deletion in the CLDN16 gene. The proband, born from consanguineous parents, presented the first symptoms at age 20. Clinical examination revealed hypocalcemia, hypomagnesemia, nephrocalcinosis, mild myopia, high serum levels of uric acid and intact parathyroid hormone, and moderate chronic kidney disease (stage 3). She and her mother were subjected to CLDN16 and CLDN19 mutational analysis. In addition, the multiplex ligation-dependent probe amplification method was used to confirm a CLDN16 multi-exon deletion. Direct sequencing revealed a normal CLDN19 sequence and suggested a large deletion in the CLDN16 gene. Multiplex ligation-dependent probe amplification showed a homozygous CLDN16 multi-exon deletion (E2_E5del). The patient initiated conventional treatment for familial hypomagnesemia with hypercalciuria and nephrocalcinosis and progressed to end-stage kidney disease after five years. Conclusions This study provides the first report of a large homozygous deletion in the CLDN16 gene causing familial hypomagnesemia with hypercalciuria and nephrocalcinosis with late onset of the first symptoms. This description expands the phenotypic and genotypic characterization of the disease. The late-onset chronic kidney disease in the presence of a homozygous deletion in the CLDN16 gene reinforces the great variability of genotype-phenotype manifestation in patients with familial hypomagnesemia with hypercalciuria and nephrocalcinosis.
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Affiliation(s)
| | | | | | | | - Juliana Forte Mazzeu
- Laboratory of Genetics, Faculty of Medicine, Faculty of Health Sciences, University of Brasilia, Brasilia, Brazil.
| | - Ana Carolina Acevedo
- Laboratory of Oral Histopathology, Faculty of Health Sciences, University of Brasilia, Brasilia, Brazil.
| | - Francisco de Assis Rocha Neves
- Soclimed Nephrology and Dialysis Unit, Brasilia, Brazil. .,Laboratório de Farmacologia Molecular, Faculdade de Ciências da Saúde, Universidade de Brasília, Campus Universitário Darcy Ribeiro, Brasília, Brazil.
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Pirinen E, Soini Y. A survey of zeb1, twist and claudin 1 and 4 expression during placental development and disease. APMIS 2013; 122:530-8. [DOI: 10.1111/apm.12187] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 08/14/2013] [Indexed: 02/06/2023]
Affiliation(s)
- Elina Pirinen
- Imaging Center; Clinical Pathology; Kuopio University Hospital; Kuopio Finland
| | - Ylermi Soini
- Imaging Center; Clinical Pathology; Kuopio University Hospital; Kuopio Finland
- Institute of Clinical Medicine, Pathology and Forensic Medicine; University of Eastern Finland; Kuopio Finland
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Kluth S, Distl O. Congenital sensorineural deafness in dalmatian dogs associated with quantitative trait loci. PLoS One 2013; 8:e80642. [PMID: 24324618 PMCID: PMC3851758 DOI: 10.1371/journal.pone.0080642] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Accepted: 10/14/2013] [Indexed: 12/13/2022] Open
Abstract
A genome-wide association study (GWAS) was performed for 235 Dalmatian dogs using the canine Illumina high density bead chip to identify quantitative trait loci (QTL) associated with canine congenital sensorineural deafness (CCSD). Data analysis was performed for all Dalmatian dogs and in addition, separately for brown-eyed and blue-eyed dogs because of the significant influence of eye colour on CCSD in Dalmatian dogs. Mixed linear model analysis (MLM) revealed seven QTL with experiment-wide significant associations (-log10P>5.0) for CCSD in all Dalmatian dogs. Six QTL with experiment-wide significant associations for CCSD were found in brown-eyed Dalmatian dogs and in blue-eyed Dalmatian dogs, four experiment-wide significant QTL were detected. The experiment-wide CCSD-associated SNPs explained 82% of the phenotypic variance of CCSD. Five CCSD-loci on dog chromosomes (CFA) 6, 14, 27, 29 and 31 were in close vicinity of genes shown as causative for hearing loss in human and/or mouse.
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Affiliation(s)
- Susanne Kluth
- Institute for Animal Breeding and Genetics, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Ottmar Distl
- Institute for Animal Breeding and Genetics, University of Veterinary Medicine Hannover, Hannover, Germany
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Baker M, Reynolds LE, Robinson SD, Lees DM, Parsons M, Elia G, Hodivala-Dilke K. Stromal Claudin14-heterozygosity, but not deletion, increases tumour blood leakage without affecting tumour growth. PLoS One 2013; 8:e62516. [PMID: 23675413 PMCID: PMC3652830 DOI: 10.1371/journal.pone.0062516] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Accepted: 03/21/2013] [Indexed: 01/21/2023] Open
Abstract
The maintenance of endothelial cell-cell junctions is vital for the control of blood vessel leakage and is known to be important in the growth and maturation of new blood vessels during angiogenesis. Here we have investigated the role of a tight junction molecule, Claudin 14, in tumour blood vessel leakage, angiogenesis and tumour growth. Using syngeneic tumour models our results showed that genetic ablation of Claudin 14 was not sufficient to affect tumour blood vessel morphology or function. However, and surprisingly, Claudin 14-heterozygous mice displayed several blood vessel-related phenotypes including: disruption of ZO-1-positive cell-cell junctions in tumour blood vessels; abnormal distribution of basement membrane laminin around tumour blood vessels; increased intratumoural leakage and decreased intratumoural hypoxia. Additionally, although total numbers of tumour blood vessels were increased in Claudin 14-heterozygous mice, and in VEGF-stimulated angiogenesis ex vivo, the number of lumenated vessels was not changed between genotypes and this correlated with no difference in syngeneic tumour growth between wild-type, Claudin 14-heterozygous and Claudin 14-null mice. Lastly, Claudin 14-heterozygosity, but not complete deficiency, also enhanced endothelial cell proliferation significantly. These data establish a new role for Claudin 14 in the regulation of tumour blood vessel integrity and angiogenesis that is evident only after the partial loss of this molecule in Claudin 14-heterozyous mice but not in Claudin 14-null mice.
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Affiliation(s)
- Marianne Baker
- Centre for Tumour Biology, Barts Cancer Institute - a CR-UK Centre of Excellence, Queen Mary University of London, London, United Kingdom
| | - Louise E. Reynolds
- Centre for Tumour Biology, Barts Cancer Institute - a CR-UK Centre of Excellence, Queen Mary University of London, London, United Kingdom
| | - Stephen D. Robinson
- School of Biological Sciences, University of East Anglia, Norwich, United Kingdom
| | - Delphine M. Lees
- Centre for Tumour Biology, Barts Cancer Institute - a CR-UK Centre of Excellence, Queen Mary University of London, London, United Kingdom
| | - Maddy Parsons
- Randall Division of Cell and Molecular Biophysics, Kings College London, London, United Kingdom
| | - George Elia
- Centre for Tumour Biology, Barts Cancer Institute - a CR-UK Centre of Excellence, Queen Mary University of London, London, United Kingdom
| | - Kairbaan Hodivala-Dilke
- Centre for Tumour Biology, Barts Cancer Institute - a CR-UK Centre of Excellence, Queen Mary University of London, London, United Kingdom
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