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https://www.readbyqxmd.com/read/28331970/disease-modeling-in-genetic-kidney-diseases-zebrafish
#1
REVIEW
Heiko Schenk, Janina Müller-Deile, Mark Kinast, Mario Schiffer
Growing numbers of translational genomics studies are based on the highly efficient and versatile zebrafish (Danio rerio) vertebrate model. The increasing types of zebrafish models have improved our understanding of inherited kidney diseases, since they not only display pathophysiological changes but also give us the opportunity to develop and test novel treatment options in a high-throughput manner. New paradigms in inherited kidney diseases have been developed on the basis of the distinct genome conservation of approximately 70 % between zebrafish and humans in terms of existing gene orthologs...
March 22, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28316899/water-quality-assessment-in-the-german-river-of-the-years-2014-2015-how-a-case-study-on-the-impact-of-a-storm-water-sedimentation-basin-displayed-impairment-of-fish-health-in-the-argen-river-southern-germany
#2
Paul Thellmann, Bertram Kuch, Karl Wurm, Heinz-R Köhler, Rita Triebskorn
BACKGROUND: The present work investigates the impact of discharges from a storm water sedimentation basin (SSB) receiving runoff from a connected motorway in southern Germany. The study lasted for almost two years and was aimed at assessing the impact of the SSB on the fauna of the Argen River, which is a tributary of Lake Constance. Two sampling sites were examined up- and downstream of the SSB effluent. A combination of different diagnostic methods (fish embryo test with the zebrafish, histopathology, micronucleus test) was applied to investigate health impairment and genotoxic effects in indigenous fish as well as embryotoxic potentials in surface water and sediment samples of the Argen River, respectively, in samples of the SSB effluent...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28290603/fenofibrate-exerts-protective-effects-against-gentamicin-induced-toxicity-in-cochlear-hair-cells-by-activating-antioxidant-enzymes
#3
Channy Park, Hye-Min Ji, Se-Jin Kim, Sung-Hee Kil, Joon No Lee, Seongae Kwak, Seong-Kyu Choe, Raekil Park
Fenofibrate, an activator of peroxisome proliferator-activated receptors (PPARs), has been shown to protect the kidneys and brain cells from oxidative stress; however, its role in preventing hearing loss has not been reported to date, at least to the best of our knowledge. In this study, we demonstrated the protective effects of fenofibrate against gentamicin (GM)-induced ototoxicity. We found that the auditory brainstem response threshold which was increased by GM was significantly reduced by pre-treatment with fenofibrate in rats...
March 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28281657/a-gcsfr-csf3r-zebrafish-mutant-models-the-persistent-basal-neutrophil-deficiency-of-severe-congenital-neutropenia
#4
Vahid Pazhakh, Sharon Clark, M Cristina Keightley, Graham J Lieschke
Granulocyte colony-stimulating factor (GCSF) and its receptor (GCSFR), also known as CSF3 and CSF3R, are required to maintain normal neutrophil numbers during basal and emergency granulopoiesis in humans, mice and zebrafish. Previous studies identified two zebrafish CSF3 ligands and a single CSF3 receptor. Transient antisense morpholino oligonucleotide knockdown of both these ligands and receptor reduces neutrophil numbers in zebrafish embryos, a technique widely used to evaluate neutrophil contributions to models of infection, inflammation and regeneration...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28271061/identification-and-expression-analysis-of-the-complete-family-of-zebrafish-pkd-genes
#5
Samantha J England, Paul C Campbell, Santanu Banerjee, Annika J Swanson, Katharine E Lewis
Polycystic kidney disease (PKD) proteins are trans-membrane proteins that have crucial roles in many aspects of vertebrate development and physiology, including the development of many organs as well as left-right patterning and taste. They can be divided into structurally-distinct PKD1-like and PKD2-like proteins and usually one PKD1-like protein forms a heteromeric polycystin complex with a PKD2-like protein. For example, PKD1 forms a complex with PKD2 and mutations in either of these proteins cause Autosomal Dominant Polycystic Kidney Disease (ADPKD), which is the most frequent potentially-lethal single-gene disorder in humans...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28262634/francisella-noatunensis-ssp-noatunensis-iglc-deletion-mutant-protects-adult-zebrafish-challenged-with-acute-mortality-dose-of-wild-type-strain
#6
Elisabeth O Lampe, Julia I Tandberg, Anne-Lise Rishovd, Hanne C Winther-Larsen
The intracellular fish pathogen Francisella noatunensis remains an unsolved problem for aquaculture worldwide and an efficient vaccine is needed. In Francisella sp., IglC is an important virulence factor necessary for intracellular growth and escape from phagolysosomes. Deletion of the intracellular growth locus C (iglC) in Francisella sp. causes attenuation, but vaccine potential has only been attributed to ΔiglC from Francisella noatunensis ssp. orientalis, a warm-water fish pathogen. A ΔiglC mutant was constructed in the cold-water fish pathogen F...
March 6, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28252672/acute-podocyte-injury-is-not-a-stimulus-for-podocytes-to-migrate-along-the-glomerular-basement-membrane-in-zebrafish-larvae
#7
Florian Siegerist, Antje Blumenthal, Weibin Zhou, Karlhans Endlich, Nicole Endlich
Podocytes have a unique 3D structure of major and interdigitating foot processes which is the prerequisite for renal blood filtration. Loss of podocytes leads to chronic kidney disease ending in end stage renal disease. Until now, the question if podocytes can be replaced by immigration of cells along the glomerular basement membrane (GBM) is under debate. We recently showed that in contrast to former theories, podocytes are stationary in the zebrafish pronephros and neither migrate nor change their branching pattern of major processes over 23 hours...
March 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28247754/small-sized-mpeg-plga-nanoparticles-of-schisantherin-a-with-sustained-release-for-enhanced-brain-uptake-and-anti-parkinsonian-activity
#8
Tongkai Chen, Chuwen Li, Ye Li, Xiang Yi, Ruibing Wang, Simon Ming-Yuen Lee, Ying Zheng
Schisantherin A (SA) is a promising anti-Parkinsonism natural product. However, its poor water solubility and rapid serum clearance impose significant barriers to delivery of SA to the brain. This work aimed to develop SA in a nanoparticle formulation that extended SA circulation in the bloodstream and consequently an increased brain uptake and thus to be potentially efficacious for the treatment of Parkinson's disease (PD). Spherical SA nanoparticles with a mean particle size of 70 nm were prepared by encapsulating SA into methoxy poly(ethylene glycol)-block-poly(d,l)-lactic-co-glycolic acid (mPEG-PLGA) nanoparticles (SA-NPs) with an encapsulation efficiency of ∼91% and drug loading of ∼28%...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28228401/wolf-hirschhorn-syndrome-candidate-1-like-1-epigenetically-regulates-nephrin-gene-expression
#9
Yugo Ito, Kan Katayama, Yukino Nishibori, Yoshihiro Akimoto, Akihiko Kudo, Ryota Kurayama, Ichiro Hada, Shohei Takahashi, Toru Kimura, Toshiyuki Fukutomi, Tomohisa Katada, Junichi Suehiro, Olga Beltcheva, Karl Tryggvason, Kunimasa Yan
Altered expression of nephrin underlies the pathophysiology of proteinuria in both congenital and acquired nephrotic syndrome. However, the epigenetic mechanisms of nephrin gene regulation remain elusive. Here, we show that Wolf-Hirschhorn syndrome candidate 1-like 1 long form (WHSC1L1-L) is a novel epigenetic modifier of nephrin gene regulation. WHSC1L1-L was associated with histone H3K4 and H3K36 in human embryonic kidney cells. WHSC1L1-L gene was expressed in the podocytes and functional protein product was detected in these cells...
February 22, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28220184/cxcl12a-cxcr4b-acts-to-retain-neutrophils-in-caudal-hematopoietic-tissue-and-to-antagonize-recruitment-to-an-injury-site-in-the-zebrafish-larva
#10
Susana Paredes-Zúñiga, Rodrigo A Morales, Salomé Muñoz-Sánchez, Carlos Muñoz-Montecinos, Margarita Parada, Karina Tapia, Carlos Rubilar, Miguel L Allende, Oscar A Peña
Neutrophils are a major component of the innate immune response and the most abundant circulating cell type in humans and zebrafish. The CXCL12/CXCR4 ligand receptor pair plays a key role in neutrophil homeostasis, controlling definitive hematopoiesis and neutrophil release into circulation. Neutrophils overexpressing CXCR4 respond by migrating towards sources of CXCL12, which is abundant in hematopoietic tissues. However, the physiological role of CXCL12/CXCR4 signaling during inflammatory responses remains unknown...
February 20, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28215742/identification-of-grass-carp-ctenopharyngodon-idella-xbp1s-as-a-primary-member-in-er-stress
#11
Xiangqin Wang, Yichuan Mi, Bin Zhong, Huiling Mao, Yiqi Wan, Tao Zhang, Haizhou Wang, Chengyu Hu
X-box binding protein 1 (XBP1), a vital basic leucine zipper transcription factor for the related gene transcription in endoplasmic reticulum (ER) stress, belongs to the CREB/ATF family. In mammals, XBP1S is the activated one of XBP1 isoform. In order to study the role of fish XBP1S, we cloned and identified the XBP1S (KU509247) from grass carp (Ctenopharyngodon idella) (named CiXBP1S) by homologous cloning and RACE technique. The full length of CiXBP1S is 1694 bp along with 124 bp of 5' UTR, 418 bp of 3' UTR and the longest open reading frame (1152 bp) encoding a polypeptide of 383 amino acids with a well conserved DNA binding domain (BRLZ domain)...
February 20, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28199941/effect-directed-analysis-reveals-inhibition-of-zebrafish-uptake-transporter-oatp1d1-by-caulerpenyne-a-major-secondary-metabolite-from-the-invasive-marine-alga-caulerpa-taxifolia
#12
P Marić, M Ahel, I Senta, S Terzić, I Mikac, A Žuljević, T Smital
Caulerpa taxifolia is a marine alga of tropical and subtropical distribution and a well-known invasive species in several temperate regions. Its invasiveness mainly stems from the production of secondary metabolites, some of which are toxic or repellent substances. In this study we investigated the possible inhibitory effects of C. taxifolia secondary metabolites on the activity of two zebrafish (Danio rerio) uptake transporters that transport organic anions (Oatp1d1) and cations (Oct1). Both transporters were transiently transfected and overexpressed in human embryonic kidney HEK293T cells...
May 2017: Chemosphere
https://www.readbyqxmd.com/read/28198397/cystinosis-ctns-zebrafish-mutant-shows-pronephric-glomerular-and-tubular-dysfunction
#13
Mohamed A Elmonem, Ramzi Khalil, Ladan Khodaparast, Laleh Khodaparast, Fanny O Arcolino, Joseph Morgan, Anna Pastore, Przemko Tylzanowski, Annelii Ny, Martin Lowe, Peter A de Witte, Hans J Baelde, Lambertus P van den Heuvel, Elena Levtchenko
The human ubiquitous protein cystinosin is responsible for transporting the disulphide amino acid cystine from the lysosomal compartment into the cytosol. In humans, Pathogenic mutations of CTNS lead to defective cystinosin function, intralysosomal cystine accumulation and the development of cystinosis. Kidneys are initially affected with generalized proximal tubular dysfunction (renal Fanconi syndrome), then the disease rapidly affects glomeruli and progresses towards end stage renal failure and multiple organ dysfunction...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28190459/mutations-in-inpp5k-cause-a-form-of-congenital-muscular-dystrophy-overlapping-marinesco-sj%C3%A3-gren-syndrome-and-dystroglycanopathy
#14
Daniel P S Osborn, Heather L Pond, Neda Mazaheri, Jeremy Dejardin, Christopher J Munn, Khaloob Mushref, Edmund S Cauley, Isabella Moroni, Maria Barbara Pasanisi, Elizabeth A Sellars, R Sean Hill, Jennifer N Partlow, Rebecca K Willaert, Jaipreet Bharj, Reza Azizi Malamiri, Hamid Galehdari, Gholamreza Shariati, Reza Maroofian, Marina Mora, Laura E Swan, Thomas Voit, Francesco J Conti, Yalda Jamshidi, M Chiara Manzini
Congenital muscular dystrophies display a wide phenotypic and genetic heterogeneity. The combination of clinical, biochemical, and molecular genetic findings must be considered to obtain the precise diagnosis and provide appropriate genetic counselling. Here we report five individuals from four families presenting with variable clinical features including muscular dystrophy with a reduction in dystroglycan glycosylation, short stature, intellectual disability, and cataracts, overlapping both the dystroglycanopathies and Marinesco-Sjögren syndrome...
March 2, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28179256/zebrafish-mesonephric-renin-cells-are-functionally-conserved-and-comprise-of-two-distinct-morphological-populations
#15
Sebastien A Rider, Helen C Christian, Linda J Mullins, Amelia R Howarth, Calum A MacRae, John J Mullins
Zebrafish provide an excellent model in which to assess the role of the renin-angiotensin system in renal development, injury and repair. In contrast to mammals, zebrafish kidney organogenesis terminates with the mesonephros. Despite this, the basic functional structure of the nephron is conserved across vertebrates. The relevance of teleosts for studies relating to the regulation of the renin-angiotensin system was established by assessing the phenotype and functional regulation of renin-expressing cells in zebrafish...
February 8, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28157230/conserved-gene-regulation-during-acute-inflammation-between-zebrafish-and-mammals
#16
G Forn-Cuní, M Varela, P Pereiro, B Novoa, A Figueras
Zebrafish (Danio rerio), largely used as a model for studying developmental processes, has also emerged as a valuable system for modelling human inflammatory diseases. However, in a context where even mice have been questioned as a valid model for these analysis, a systematic study evaluating the reproducibility of human and mammalian inflammatory diseases in zebrafish is still lacking. In this report, we characterize the transcriptomic regulation to lipopolysaccharide in adult zebrafish kidney, liver, and muscle tissues using microarrays and demonstrate how the zebrafish genomic responses can effectively reproduce the mammalian inflammatory process induced by acute endotoxin stress...
February 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28148530/usp40-gene-knockdown-disrupts-glomerular-permeability-in-zebrafish
#17
Hisashi Takagi, Yukino Nishibori, Kan Katayama, Tomohisa Katada, Shohei Takahashi, Zentaro Kiuchi, Shin-Ichiro Takahashi, Hiroyasu Kamei, Hayato Kawakami, Yoshihiro Akimoto, Akihiko Kudo, Katsuhiko Asanuma, Hiromu Takematsu, Kunimasa Yan
Unbiased transcriptome profiling and functional genomics approaches have identified ubiquitin specific protease 40 (USP40) as a highly specific glomerular transcript. This gene product remains uncharacterized, and its biological function is completely unknown. Here, we showed that mouse and rat glomeruli exhibit specific expression of the USP40 protein, which migrated at 150 kDa and was exclusively localized in the podocyte cytoplasm of the adult kidney. Double-labeling immunofluorescence staining and confocal microscopy analysis of fetal and neonate kidney samples revealed that USP40 was also expressed in the vasculature, including in glomerular endothelial cells at the premature stage...
February 1, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28129952/biomarker-responses-in-zebrafish-danio-rerio-larvae-exposed-to-pristine-low-density-polyethylene-fragments
#18
Ali Karami, David B Groman, Scott P Wilson, Patimah Ismail, Vasantha K Neela
There are serious concerns over the adverse impacts of microplastics (MPs) on living organisms. The main objective of this study was to test the effects of MPs on the total length, weight, condition factor (CF), transcriptional level of antioxidant, anti and pro-apoptotic, and neurotransmitter genes, and the histopathology of the gill, liver, brain, kidney, and intestine in the larvae of zebrafish (Danio rerio). Fish were exposed to one of three levels of pristine low-density polyethylene (LDPE) fragments (5, 50, or 500 μg/L) for 10 or 20 days...
April 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28121514/genetic-drivers-of-kidney-defects-in-the-digeorge-syndrome
#19
Esther Lopez-Rivera, Yangfan P Liu, Miguel Verbitsky, Blair R Anderson, Valentina P Capone, Edgar A Otto, Zhonghai Yan, Adele Mitrotti, Jeremiah Martino, Nicholas J Steers, David A Fasel, Katarina Vukojevic, Rong Deng, Silvia E Racedo, Qingxue Liu, Max Werth, Rik Westland, Asaf Vivante, Gabriel S Makar, Monica Bodria, Matthew G Sampson, Christopher E Gillies, Virginia Vega-Warner, Mariarosa Maiorana, Donald S Petrey, Barry Honig, Vladimir J Lozanovski, Rémi Salomon, Laurence Heidet, Wassila Carpentier, Dominique Gaillard, Alba Carrea, Loreto Gesualdo, Daniele Cusi, Claudia Izzi, Francesco Scolari, Joanna A E van Wijk, Adela Arapovic, Mirna Saraga-Babic, Marijan Saraga, Nenad Kunac, Ali Samii, Donna M McDonald-McGinn, Terrence B Crowley, Elaine H Zackai, Dorota Drozdz, Monika Miklaszewska, Marcin Tkaczyk, Przemyslaw Sikora, Maria Szczepanska, Malgorzata Mizerska-Wasiak, Grazyna Krzemien, Agnieszka Szmigielska, Marcin Zaniew, John M Darlow, Prem Puri, David Barton, Emilio Casolari, Susan L Furth, Bradley A Warady, Zoran Gucev, Hakon Hakonarson, Hana Flogelova, Velibor Tasic, Anna Latos-Bielenska, Anna Materna-Kiryluk, Landino Allegri, Craig S Wong, Iain A Drummond, Vivette D'Agati, Akira Imamoto, Jonathan M Barasch, Friedhelm Hildebrandt, Krzysztof Kiryluk, Richard P Lifton, Bernice E Morrow, Cecile Jeanpierre, Virginia E Papaioannou, Gian Marco Ghiggeri, Ali G Gharavi, Nicholas Katsanis, Simone Sanna-Cherchi
Background The DiGeorge syndrome, the most common of the microdeletion syndromes, affects multiple organs, including the heart, the nervous system, and the kidney. It is caused by deletions on chromosome 22q11.2; the genetic driver of the kidney defects is unknown. Methods We conducted a genomewide search for structural variants in two cohorts: 2080 patients with congenital kidney and urinary tract anomalies and 22,094 controls. We performed exome and targeted resequencing in samples obtained from 586 additional patients with congenital kidney anomalies...
February 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28118669/the-ciliopathy-gene-ahi1-is-required-for-zebrafish-cone-photoreceptor-outer-segment-morphogenesis-and-survival
#20
Emma M Lessieur, Joseph Fogerty, Robert J Gaivin, Ping Song, Brian D Perkins
Purpose: Joubert syndrome (JBTS) is an autosomal recessive ciliopathy with considerable phenotypic variability. In addition to central nervous system abnormalities, a subset of JBTS patients exhibit retinal dystrophy and/or kidney disease. Mutations in the AHI1 gene are causative for approximately 10% of all JBTS cases. The purpose of this study was to generate ahi1 mutant alleles in zebrafish and to characterize the retinal phenotypes. Methods: Zebrafish ahi1 mutants were generated using transcription activator-like effector nucleases (TALENs)...
January 1, 2017: Investigative Ophthalmology & Visual Science
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