A reevaluation of X-irradiation induced phocomelia and proximodistal limb patterning
                    
                        
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06-P011 A reevaluation of X-Irradiation induced phocomelia and proximodistal limb patterning
ro is the acquisition of protective barrier function in the skin a process involving differentiation of keratinocytes to form a stratum corneum of unique lipid composition and structure. Harlequin Ichthyosis (HI) is a severe hyperkeratotic skin disease caused by mutations in the ABCA12 transport protein and which results in profound barrier defects. In keratinocytes ABCA12 is thought to regulat...
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Regeneration is an ability that has been observed extensively throughout metazoan phylogeny. Amongst vertebrates, the urodele amphibians stand out for their exceptional capacity to regenerate body parts such as the limb. During this process, only the missing portion of the limb is precisely replaced--amputation in the upper arm results in regeneration of the entire limb, while amputation at the...
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Fibroblast growth factors (FGFs) are signals from the apical ectodermal ridge (AER) that are essential for limb pattern formation along the proximodistal (PD) axis. However, how patterning along the PD axis is regulated by AER-FGF signals remains controversial. To further explore the molecular mechanism of FGF functions during limb development, we conditionally inactivated fgf receptor 2 (Fgfr2...
متن کاملIsolated Lower Limb Phocomelia – a Rare Limb Malformation
Priyanka Bansal*, MD; Akhil Bansal, MD, and Shitalmala Devi, MD Jawaharlal Nehru Medical College, Department of Pathology, India Received: Jan 29, 2011; Accepted: Mar 24, 2012 Phocomelia, ie the absence or severe hypoplasia of the long tubular bones with more or less intact hands and or feet, is widely known to be the most spectacular finding of thalidomide embryopathy[1]. It may be complete in...
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We report a case of term live baby with tetra-phocomelia born to a 35-year-old G3P2L2A0 with history of consanguineous marriage. She was an unbooked case from a tribal community with no previous antenatal visits. At 39 wk of gestation, she was admitted to our hospital with complaint of pain abdomen and on examination was found to be in second stage of labour. She delivered vaginally a term live...
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ژورنال
عنوان ژورنال: Developmental Biology
سال: 2009
ISSN: 0012-1606
DOI: 10.1016/j.ydbio.2009.05.532