نتایج جستجو برای: zebrafish
تعداد نتایج: 26985 فیلتر نتایج به سال:
By searching the zebrafish EST (expressed-sequence tag) database, we have identified two partial cDNA clones encoding the 5' and 3' regions of a putative zebrafish sulphotransferase (ST). Using the reverse transcription-PCR technique, a full-length cDNA encoding this zebrafish ST was successfully cloned. Sequence analysis revealed that this novel zebrafish ST displays 44%, 43% and 40% amino aci...
Missense mutations in ferroportin1 (fpn1), an intestinal and macrophage iron exporter, have been identified between transmembrane helices 3 and 4 in the zebrafish anemia mutant weissherbst (weh(Tp85c-/-)) and in patients with type 4 hemochromatosis. To explore the effects of fpn1 mutation on blood development and iron homeostasis in the adult zebrafish, weh(Tp85c-/-) zebrafish were rescued by i...
The 100 most cited articles in zebrafish were published between 1990 and 2015, with 70% after 2000. article received 7379 citations, while the least only 405. 39 different journals Development having highest citations (n = 11,966) as well total publications (n=21). Eighteen authors listed four or more articles, USA was found to be prolific country, producing 81 affiliated institutions top resea...
Increasing in water ammonia is one of the major problems in aquaculture. Nitrogen-containing materials are producing in different ways, including oxidation of nitrogen-containing organic matters such as proteins, manure decomposition and ammonia excretion by fish. The increase in these compounds in water recirculation systems and aquaria has always been considered as a stress-causing factor. On...
The present study was conducted to evaluate the performance of zebrafish (Danio rerio) as a model in embryo and fetal pathology in nanotoxicology studies. Examination of the sources showed that it is possible to completely inhibit hatching and fetal death when exposed to nanoparticles, because nanoparticles interact with hatching enzymes. Zebrafish embryo developmental abnormalities have been s...
Background: A novel nanocomposite-modified electrode based on reduced graphene oxide (rGO) decorated with crown-ether and gold nanoparticles (GNPs) on the surface of a glassy carbon electrode (GCE) was fabricated to investigate 5-HT determination. Methods: The morphology of nanocomposite was characterized by scaning electron microscopy (SEM). Diabetic zebrafish was obtained by overfeeding via ...
The aim of this study was to investigate the histopathological changes in zebrafish larvae following embryonic exposure to nanoparticles of magnesium oxide (MgONPs). The toxicity of metal oxide nanoparticles is attracting increasing attention. Among these nanomaterials, MgONPs are particularly interesting as a low cost and environmentally-friendly material. Histological investigations are used ...
Cadmium (Cd) is one of the most toxic environmental heavy metals to organisms. The prominent toxic effects of Cd on reproductive organs are very well known. Gonad histopathology is a valuable tool for the assessment of endocrine disruption compounds EDCs effects on fish. The aim of this study was to evaluate the reproductive toxicity of cadmium chloride (CdCl2) on histopathology of Zebrafish (D...
Antibacterial activity of the novel oxazolidinone contezolid (MRX-I) against Mycobacterium abscessus
Objective To evaluate contezolid (MRX-I) antibacterial activity against Mycobacterium abscessus in vitro and vivo to assess whether MRX-I treatment can prolong survival of infected zebrafish. Methods inhibitory M. was assessed by injecting into zebrafish with green fluorescent protein-labelled . Thereafter, were treated azithromycin (AZM), linezolid (LZD) or then maximum tolerated concentration...
iv CHAPTER 1. General Introduction 1 CHAPTER 2. Literature Review 5 CHAPTER 3. Rac2 expression in the zebrafish (Danio rerio) 25 CHAPTER 4. Rac2 function in the adult zebrafish neutrophil 45 CHAPTER 5. The effect of Rac2 inhibition and gene knockdown during infectious disease on the mortality of zebrafish (Danio rerio) embryos infected via immersion 61 CHAPTER 6. General Conclusions 75
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