نتایج جستجو برای: anophthalmia
تعداد نتایج: 586 فیلتر نتایج به سال:
Background: Contracted socket is still a major problem for patients with anophthalmia. The main factor this condition inflammation and fibrosis, which result in conjunctival shortening. Myofibroblasts that express α-SMA are the primary mediators of anophthalmic contraction. Methods: One healthy eye New Zealand white rabbit were randomly selected evisceration divided into four treatment groups, ...
microphthalmia is defined as a globe with a total axial length that is at least two standard deviations below the mean for age. it may be isolated or part of a syndrome with other associated anomalies. causes can be divided into environmental, heritable or unknown. some researchers believe that microphthalmia and anophthalmia belong to one family. unilateral and bilateral anophtalmia have been ...
In humans, haploinsufficiency of either SOX2 or PAX6 is associated with microphthalmia, anophthalmia or aniridia. In this study, through the genetic spatiotemporal specific ablation of SOX2 on both wild-type and Pax6-haploinsufficent backgrounds in the mouse, we have uncovered a transcriptionally distinct and developmentally transient stage of eye development. We show that genetic ablation of S...
The paired-like homeobox-containing gene Rx has a critical role in the eye development of several vertebrate species including Xenopus, mouse, chicken, medaka, zebrafish and human. Rx is initially expressed in the anterior neural region of developing embryos, and later in the retina and ventral hypothalamus. Abnormal regulation or function of Rx results in severe abnormalities of eye formation....
Holoprosencephaly (HPE), a disorder which results from a failure of cleavage or the incomplete differentiation of the forebrain structures at various levels or to various degrees, is related to hereditary factors, chromosomal anomalies, cytogenetic abnormalities, and environmental teratogenic factors. We are reporting a case of a multiparous woman who was G3,P3,L2, who delivered a full term foe...
Oesophageal atresia and/or tracheo-oesophageal fistula are relatively common malformations occurring in approximately 1 in 3500 births. In around half of the cases (syndromic oesophageal atresia), there are associated anomalies, with cardiac malformations being the most common. In the remainder (non-syndromic cases), oesophageal atresia/tracheo-oesophageal fistula occur in isolation. Data from ...
This review provides a synthesis that combines data from classical experimentation and recent advances in our understanding of early eye development. Emphasis is placed on the events that underlie and direct neural retina formation and lens induction. Understanding these events represents a longstanding problem in developmental biology. Early interest can be attributed to the curiosity generate...
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