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claudin-5 gene

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https://www.readbyqxmd.com/read/29324052/the-expression-profile-of-claudin-family-members-in-the-developing-mouse-lung-and-expression-alterations-resulting-from-exposure-to-secondhand-smoke-shs
#1
Joshua B Lewis, Felix R Jimenez, Brigham J Merrell, Brent Kimbler, Juan A Arroyo, Paul R Reynolds
Claudins are tight junctional proteins implicated in cell polarity and epithelial barrier maintenance. Claudin misregulation adversely impacts developmental aspects of cell differentiation and proliferation. The current research evaluated transcriptional expression for Claudins 1-11 and 18 in the developing murine lung at embryonic days (E) 14.5, 16.5, and 18.5 and at post-natal day (PN) 3 and PN15. Mouse lungs were also assessed by immunohistochemical analysis to qualitatively evaluate Claudin protein expression...
January 11, 2018: Experimental Lung Research
https://www.readbyqxmd.com/read/29290442/effects-of-heat-stress-and-dietary-zinc-source-on-performance-and-mammary-epithelial-integrity-of-lactating-dairy-cows
#2
X Weng, A P A Monteiro, J Guo, C Li, R M Orellana, T N Marins, J K Bernard, D J Tomlinson, J M DeFrain, S E Wohlgemuth, S Tao
Dietary Zn and heat stress alter gut integrity in monogastric animals. However, effects of Zn on mammary epithelial integrity in heat-stressed lactating dairy cows have not been studied. Multiparous lactating Holstein cows (n = 72) were randomly assigned to 1 of 4 treatments with a 2 × 2 factorial arrangement to study the effects of environment and Zn source on performance and mammary epithelial integrity. Treatments included 2 environments [cooled (CL) or not cooled (NC)] and 2 Zn sources [75 mg/kg of supplemental Zn as Zn hydroxychloride (IOZ) or 35 mg/kg of Zn hydroxychloride + 40 mg/kg of Zn-Met complex (ZMC)]...
December 28, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29258755/effects-of-dietary-dandelion-extract-on-intestinal-morphology-antioxidant-status-immune-function-and-physical-barrier-function-of-juvenile-golden-pompano-trachinotus-ovatus
#3
Xiaohong Tan, Zhenzhu Sun, Chuanpeng Zhou, Zhong Huang, Lianjie Tan, Pengwei Xun, Qianqian Huang, Heizhao Lin, Chaoxia Ye, Anli Wang
Intestinal morphology, antioxidant status, immune function and tight junction proteins mRNA expression were examined in golden pompano (Trachinotus ovatus) that fed respectively six diets containing dandelion extracts (DE) at 0, 0.5, 1, 2, 4 and 10 g kg-1 after 8 weeks feeding. The study indicated that dietary DE significantly improved intestinal antioxidant abilities by increasing SOD, CAT, T-AOC activities and up-regulating intestinal cat, gpx mRNA levels, but by decreasing MDA content and down-regulating intestinal keap1 mRNA levels in golden pompano...
December 16, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29233846/ve-cadherin-mediated-epigenetic-regulation-of-endothelial-gene-expression
#4
Marco F Morini, Costanza Giampietro, Monica Corada, Federica Pisati, Elisa Lavarone, Sara I Cunha, Lei L Conze, Nicola J O'Reilly, Dhira Joshi, Svend Kjaer, Roger George, Emma Nye, Anqi Ma, Jian Jin, Richard Mitter, Michela Lupia, Ugo Cavallaro, Diego Pasini, Dinis P Calado, Elisabetta Dejana, Andrea Taddei
Rationale: The mechanistic foundation of vascular maturation is still largely unknown. Several human pathologies are characterized by deregulated angiogenesis and unstable blood vessels. Solid tumours, for instance, get their nourishment from newly formed structurally abnormal vessels which present wide and irregular inter-endothelial junctions. Expression and clustering of the main endothelial-specific adherens junction protein, vascular endothelial (VE)-cadherin (VEC), upregulate genes with key roles in endothelial differentiation and stability...
December 12, 2017: Circulation Research
https://www.readbyqxmd.com/read/29223973/chromosomal-rearrangements-in-the-11p15-imprinted-region-17-new-11p15-5-duplications-with-associated-phenotypes-and-putative-functional-consequences
#5
Solveig Heide, Sandra Chantot-Bastaraud, Boris Keren, Madeleine D Harbison, Salah Azzi, Sylvie Rossignol, Caroline Michot, Marilyn Lackmy-Port Lys, Bénédicte Demeer, Claudine Heinrichs, Ron S Newfield, Pierre Sarda, Lionel Van Maldergem, Véronique Trifard, Eloise Giabicani, Jean-Pierre Siffroi, Yves Le Bouc, Irène Netchine, Frédéric Brioude
BACKGROUND: The 11p15 region contains two clusters of imprinted genes. Opposite genetic and epigenetic anomalies of this region result in two distinct growth disturbance syndromes: Beckwith-Wiedemann (BWS) and Silver-Russell syndromes (SRS). Cytogenetic rearrangements within this region represent less than 3% of SRS and BWS cases. Among these, 11p15 duplications were infrequently reported and interpretation of their pathogenic effects is complex. OBJECTIVES: To report cytogenetic and methylation analyses in a cohort of patients with SRS/BWS carrying 11p15 duplications and establish genotype/phenotype correlations...
December 9, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29221203/methylated-claudin-11-associated-with-metastasis-and-poor-survival-of-colorectal-cancer
#6
Jinyun Li, Chongchang Zhou, Shumin Ni, Shaomin Wang, Chao Ni, Ping Yang, Meng Ye
As one of crucial epigenetic modification, DNA methylation plays an important role during the carcinogenesis of colorectal cancer (CRC). In the current study, we used a human genome methylation array to detect the aberrant methylation genes in CRC. We further identified the hypermethylation of claudin-11 (CLDN11) and proved inverse correlation between CLDN11 methylation and its expression in CRC. In vitro experiments showed debased migration ability of colonic cancer cells in accompany with the converted methylation of CLDN11 after colonic cancer cells treated with demethylation agent, 5-aza-2'-deoxycytidine...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29217457/focusing-on-claudin-5-a-promising-candidate-in-the-regulation-of-bbb-to-treat-ischemic-stroke
#7
REVIEW
Jianjun Lv, Wei Hu, Zhi Yang, Tian Li, Shuai Jiang, Zhiqiang Ma, Fulin Chen, Yang Yang
Claudin-5 is a tight junction (TJ) protein in the blood-brain barrier (BBB) that has recently attracted increased attention. Numerous studies have demonstrated that claudin-5 regulates the integrity and permeability of the BBB. Increased claudin-5 expression plays a neuroprotective role in neurological diseases, particularly in cerebral ischemic stroke. Moreover, claudin-5 might be a potential marker for early hemorrhagic transformation detection in ischemic stroke. In light of the distinctive effects of claudin-5 on the nervous system, we present the elaborate network of roles that claudin-5 plays in ischemic stroke...
December 5, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29212157/pka-activation-and-endothelial-claudin-5-breakdown-in-the-schizophrenic-prefrontal-cortex
#8
Keisuke Nishiura, Naoki Ichikawa-Tomikawa, Kotaro Sugimoto, Yasuto Kunii, Korehito Kashiwagi, Mizuko Tanaka, Yuichi Yokoyama, Mizuki Hino, Takashi Sugino, Hirooki Yabe, Hitoshi Takahashi, Akiyoshi Kakita, Tetsuya Imura, Hideki Chiba
Schizophrenia is thought to be caused by a combination of genetic and environmental factors; however, its pathogenesis remains largely unknown. Here, we focus on the endothelial tight-junction protein claudin-5 (CLDN5), because the CLDN5 gene is mapped to the schizophrenia-associated 22q11.2 deletion region, and a single nucleotide polymorphism in the CLDN5 locus is also linked to schizophrenia. We show, by RT-qPCR and immunohistochemistry, that the expressions of CLDN5 mRNA and protein are significantly increased and decreased, respectively, in the schizophrenic prefrontal cortex (PFC) compared with control PFC...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29173301/targeted-gene-next-generation-sequencing-in-chinese-children-with-chronic-pancreatitis-and-acute-recurrent-pancreatitis
#9
Yuan Xiao, Wentao Yuan, Bo Yu, Yan Guo, Xu Xu, Xinqiong Wang, Yi Yu, Yi Yu, Biao Gong, Chundi Xu
OBJECTIVE: To identify causal mutations in certain genes in children with acute recurrent pancreatitis (ARP) or chronic pancreatitis (CP). STUDY DESIGN: After patients were enrolled (CP, 55; ARP, 14) and their clinical characteristics were investigated, we performed next-generation sequencing to detect nucleotide variations among the following 10 genes: cationic trypsinogen protease serine 1 (PRSS1), serine protease inhibitor, Kazal type 1 (SPINK1), cystic fibrosis transmembrane conductance regulator gene (CFTR), chymotrypsin C (CTRC), calcium-sensing receptor (CASR), cathepsin B (CTSB), keratin 8 (KRT8), CLAUDIN 2 (CLDN2), carboxypeptidase A1 (CPA1), and ATPase type 8B member 1 (ATP8B1)...
December 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29145422/missense-mutation-at-cldn8-associated-with-a-high-plasma-interferon-gamma-inducible-protein-10-level-in-methadone-maintained-patients-with-urine-test-positive-for-morphine
#10
Tung-Hsia Liu, Ren-Hua Chung, Sheng-Chang Wang, Chiu-Ping Fang, Hsiao-Hui Tsou, Chia-Lung Shih, Hsiang-Wei Kuo, Yun Wang, Yu-Li Liu
We previously reported a high plasma chemokine interferon gamma-inducible protein 10 (IP-10) level and prolonged electrocardiography QT-interval in methadone maintenance treatment (MMT) patients with HIV or HCV infection. The purpose of this study was to evaluate the genetic association of high plasma IP-10 level in the MMT patients. The gene-based and pathway-based association analyses were conducted using a genome-wide association study dataset in 344 MMT patients for identifying genes and pathways associated with plasma IP-10 level...
2017: PloS One
https://www.readbyqxmd.com/read/29123511/a-high-grain-diet-dynamically-shifted-the-composition-of-mucosa-associated-microbiota-and-induced-mucosal-injuries-in-the-colon-of-sheep
#11
Yue Wang, Lei Xu, Junhua Liu, Weiyun Zhu, Shengyong Mao
This study investigated the dynamic shifts in mucosa-associated microbiota composition and mucosal morphology in the colon of sheep fed a high grain (HG) diet. A total of 20 male sheep were randomly assigned to four groups (n = 5 for each). The sheep in first group received hay diet. The animals in other 3 groups were fed an HG diet for 7 (HG7), 14 (HG14), or 28 (HG28) days, respectively. Colonic digesta samples were collected to determine the pH and the concentrations of volatile fatty acid (VFA) and lactate...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29107696/the-potential-mechanism-for-hydroxysafflor-yellow-a-attenuating-blood-brain-barrier-dysfunction-via-tight-junction-signaling-pathways-excavated-by-an-integrated-serial-affinity-chromatography-and-shotgun-proteomics-analysis-approach
#12
Yanni Lv, Longsheng Fu
Our previous studies elucidated that hydroxysafflor yellow A (HSYA) exerted anti-inflammatory effects against ischemia stroke by inhibiting TLR4 pathway-mediated signaling transduction. However, only several targets were verified in that limited work. The integrated method of serial affinity chromatography (SAC) and shotgun proteomics analysis (SPA) might be an alternative approach for exploring a potential therapeutic role. SAC was induced to extract specific binding proteins in the brain tissue of 2 h of ischemia stroke mice via HSYA affinity matrices...
October 28, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/29095204/improvement-of-blood-brain-barrier-integrity-in-traumatic-brain-injury-and-hemorrhagic-shock-following-treatment-with-valproic-acid-and-fresh-frozen-plasma
#13
Vahagn C Nikolian, Simone E Dekker, Ted Bambakidis, Gerald A Higgins, Isabel S Dennahy, Patrick E Georgoff, Aaron M Williams, Anuska V Andjelkovic, Hasan B Alam
OBJECTIVE: Combined traumatic brain injury and hemorrhagic shock are highly lethal. Following injuries, the integrity of the blood-brain barrier can be impaired, contributing to secondary brain insults. The status of the blood-brain barrier represents a potential factor impacting long-term neurologic outcomes in combined injuries. Treatment strategies involving plasma-based resuscitation and valproic acid therapy have shown efficacy in this setting. We hypothesize that a component of this beneficial effect is related to blood-brain barrier preservation...
January 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29034530/gene-expression-and-morphological-changes-in-the-intestinal-mucosa-associated-with-increased-permeability-induced-by-short-term-fasting-in-chickens
#14
S Gilani, G S Howarth, G Nattrass, S M Kitessa, R Barekatain, R E A Forder, C D Tran, R J Hughes
Short-term fasting for 4.5 and 9 hr has been demonstrated to increase intestinal permeability (IP) in chickens. This study aimed to investigate the effects of 0, 4.5, 9 and 19.5 hr fasting on intestinal gene expression and villus-crypt architecture of enterocytes in jejunal and ileal samples. On day 38, Ross-308 male birds were fasted according to their group and then euthanised. Two separate intestinal sections (each 2 cm long, jejunum and ileum) were collected. One section was utilised for villus height and crypt depth measurements...
October 16, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28993710/dose-dependent-expression-of-claudin-5-is-a-modifying-factor-in-schizophrenia
#15
C Greene, J Kealy, M M Humphries, Y Gong, J Hou, N Hudson, L M Cassidy, R Martiniano, V Shashi, S R Hooper, G A Grant, P F Kenna, K Norris, C K Callaghan, M dN Islam, S M O'Mara, Z Najda, S G Campbell, J S Pachter, J Thomas, N M Williams, P Humphries, K C Murphy, M Campbell
Schizophrenia is a neurodevelopmental disorder that affects up to 1% of the general population. Various genes show associations with schizophrenia and a very weak nominal association with the tight junction protein, claudin-5, has previously been identified. Claudin-5 is expressed in endothelial cells forming part of the blood-brain barrier (BBB). Furthermore, schizophrenia occurs in 30% of individuals with 22q11 deletion syndrome (22q11DS), a population who are haploinsufficient for the claudin-5 gene. Here, we show that a variant in the claudin-5 gene is weakly associated with schizophrenia in 22q11DS, leading to 75% less claudin-5 being expressed in endothelial cells...
October 10, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28978116/modulation-of-dkk-3-and-claudin-5-as-new-therapeutic-strategy-in-the-treatment-of-meningiomas
#16
Maria Caffo, Emanuela Esposito, Valeria Barresi, Gerardo Caruso, Salvatore M Cardali, Mariagrazia Rinaldi, Raffaella Mallamace, Michela Campolo, Giovanna Casili, Alfredo Conti, Antonino Germanò, Salvatore Cuzzocrea, Letteria Minutoli
Meningiomas are the most common tumors of the central nervous system, where the incidence is around 25% of all primary brain tumors. The optimal treatment is represented by total resection accompanied by the removal of the dura mater and bone when infiltrated by the tumor. The histological grading is the most important prognostic factor in the outcome. However, recurrences do occur in a significant proportion (10-25%) of cases, representing the most relevant clinical complication. Molecular therapies are providing to give different opportunities in the development of new treatments...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28965173/characterization-of-semen-quality-testicular-marker-enzyme-activities-and-gene-expression-changes-in-the-blood-testis-barrier-of-kunming-mice-following-acute-exposure-to-zearalenone
#17
Miao Long, Shuhua Yang, Shuang Dong, Xinliang Chen, Yi Zhang, Jianbin He
A total of 95 8-week-old male Kunming mice were randomly assigned into five groups and exposed to zearalenone (ZEA) at doses of 25, 50, and 75 mg/kg delivered by intra-peritoneal (i.p.) injection for 5 days. The testis and epididymis indices involving sperm quality and morphology, testis enzyme activities, serum concentrations of testosterone and estrogen, and the expression levels of the three gene and protein of N-cadherin, vimentin, and claudin 11 related to the blood testis barrier (BTB) were analyzed...
September 30, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28961379/claudin-5-regulates-blood-brain-barrier-permeability-by-modifying-brain-microvascular-endothelial-cell-proliferation-migration-and-adhesion-to-prevent-lung-cancer-metastasis
#18
Shun-Chang Ma, Qi Li, Jia-Yi Peng, Jian-Long Zhouwen, Jin-Fu Diao, Jian-Xing Niu, Xi Wang, Xiu-Dong Guan, Wang Jia, Wen-Guo Jiang
AIMS: To investigate the roles of Claudin-5 (CLDN5) in regulating the permeability of the blood-brain barrier (BBB) during lung cancer brain metastasis. RESULTS: By silencing and overexpressing the CLDN5 gene in human brain vascular endothelial (hCMEC/D3) cells, we demonstrated the attenuation of cell migration ability and CLDN5's significant positive role in cell proliferation in CLDN5-overexpressing hCMEC/D3 cells and observed the opposite result in the CLDN5 knockdown group...
September 29, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28922365/isothiocyanate-enriched-moringa-seed-extract-alleviates-ulcerative-colitis-symptoms-in-mice
#19
Youjin Kim, Alex G Wu, Asha Jaja-Chimedza, Brittany L Graf, Carrie Waterman, Michael P Verzi, Ilya Raskin
Moringa (Moringa oleifera Lam.) seed extract (MSE) has anti-inflammatory and antioxidant activities. We investigated the effects of MSE enriched in moringa isothiocyanate-1 (MIC-1), its putative bioactive, on ulcerative colitis (UC) and its anti-inflammatory/antioxidant mechanism likely mediated through Nrf2-signaling pathway. Dextran sulfate sodium (DSS)-induced acute (n = 8/group; 3% DSS for 5 d) and chronic (n = 6/group; cyclic rotations of 2.5% DSS/water for 30 d) UC was induced in mice that were assigned to 4 experimental groups: healthy control (water/vehicle), disease control (DSS/vehicle), MSE treatment (DSS/MSE), or 5-aminosalicyic acid (5-ASA) treatment (positive control; DSS/5-ASA)...
2017: PloS One
https://www.readbyqxmd.com/read/28901429/monocytic-cell-junction-proteins-serve-important-roles-in-atherosclerosis-via-the-endoglin-pathway
#20
Lina Chen, Zhongliang Chen, Menghua Ge, Oushan Tang, Yinhong Cheng, Haoliang Zhou, Yu Shen, Fengming Qin
The formation of atherosclerosis is recognized to be caused by multiple factors including pathogenesis in monocytes during inflammation. The current study provided evidence that monocytic junctions were significantly altered in patients with atherosclerosis, which suggested an association between cell junctions and atherosclerosis. Claudin‑1, occludin‑1 and ZO‑1 were significantly enhanced in atherosclerosis, indicating that the tight junction pathway was activated during the pathogenesis of atherosclerosis...
November 2017: Molecular Medicine Reports
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