نتایج جستجو برای: chick model
تعداد نتایج: 2119043 فیلتر نتایج به سال:
drug research, we have been examining the use of chick embryos and found that they may be superior for predicting the effects of drugs. Recently, we reported those thyroid abnormal models in chick embryos treated with thiamazol showed a similar reaction to digoxin, as in human. From these experiments, we expected that it might be able to produce an experimental diabetes model by the developing ...
Background and Aim: Cataract is a major occular disease that causes blindness in many developing countries of the world. Experimental model of cataract is a first necessity to study the preventive factors of cataract progression. Several studies have shown that some glucocorticoides such as Dexamethasone (DEX) can induce cataract. The aim of this study was to form cataract in chick embryo. Mate...
Abstract King penguins ( Aptenodytes patagonicus ) are colonial seabirds presenting an extraordinary breeding cycle. Parents take over 14 months to raise a single chick independence, upon which fledglings depart at sea for more than year. Juveniles often return the colony within three austral summers following departure, and before age of first reproduction (around 5–6 years old), possibly acqu...
BACKGROUND The three chick wing digits represent a classical example of a pattern specified by a morphogen gradient. Here we have investigated whether a mathematical model of a Shh gradient can describe the specification of the identities of the three chick wing digits and if it can be applied to limbs with more digits. RESULTS We have produced a mathematical model for specification of chick ...
In 1951 Viktor Hamburger [4] and Howard Hamilton created an embryonic staging series from a combination of photographs and drawings from other researchers. The Hamburger?Hamilton stages are a sequence of images depicting 46 chronological stages in chick [5] development. The images begin with a fertilized egg [6] and end with a fully developed chick [5]. The Hamburger-Hamilton staging series was...
This study aimed to characterize production and reproduction performances in Rhode Island Red-White strain chicken developed and maintained at the Central Avian Research Institute, Izatnagar. Three hundred and forty six fertile eggs were set in automated electric incubation and 234 chicks were investigated in three hatches. The performance data was analyzed by least squares analysis of variance...
Gestational diabetes mellitus (GDM) is one of the leading causes of fetal malformations. However, few models have been developed to study the underlying mechanisms of GDM-induced fetal eye malformation. In this study, a high concentration of glucose (0.2 mmol per egg) was injected into the air sac of chick embryos on embryo development day (EDD) 1 to develop a hyperglycemia model. Results showe...
In the present study, a recombinant adeno-associated virus vector containing the calcitonin gene related peptide gene (rAAV-CGRP) was constructed and the therapeutic effect of rAAV-CGRP on a chick umbilical artery vasospasm model induced by chick embryo allantoic cavity hemorrhage was investigated. Fresh specific pathogen-free fertilized chicken eggs were randomly divided into a rAAV-CGRP group...
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