Papillorenal syndrome overview: Difference between revisions
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The known cause of the [[Papillorenal syndrome|Papillorenal syndrom]]<nowiki/>e is mutation of a copy of the [[PAX2|PAX2 gene]], a gene which is important in the development of both the [[eye]] and the [[kidney]]. However, approximately half of patients with [[Papillorenal syndrome]] do not have defects in the [[PAX2|Pax2]]. This suggests that other genes play a role in the development of the syndrome, though few downstream effectors of Pax2 have been identified. | The known cause of the [[Papillorenal syndrome|Papillorenal syndrom]]<nowiki/>e is mutation of a copy of the [[PAX2|PAX2 gene]], a gene which is important in the development of both the [[eye]] and the [[kidney]]. However, approximately half of patients with [[Papillorenal syndrome]] do not have defects in the [[PAX2|Pax2]]. This suggests that other genes play a role in the development of the syndrome, though few downstream effectors of Pax2 have been identified. | ||
== Papillorenal syndrome differential diagnosis == | |||
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==References== | ==References== | ||
Revision as of 20:12, 5 September 2020
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Shivam Singla, M.D.[2]
Overview
Papillorenal syndrome is an autosomal dominant genetic disorder marked by underdevelopment (hypoplasia) of the kidney and colobomas of the optic nerve.[1]
The other name for papillorenal syndrome is Renal-coloboma syndrome. It is a rare disorder that affects the development of kidneys and the eyes. Affected kidneys are usually small or underdeveloped and may progress to ESRD when the kidneys are no longer able to filter the fluids. One or both the kidneys can be involved In the eyes, various malformations noted are malformed optic nerve and occasionally a hole in the retina known as coloboma. Some of the affected individuals may experience vision loss. Hence the name is given as Renal-coloboma syndrome. Other less common symptoms associated with the disease include vesicoureteral reflux, loose abnormal joints, numerous kidney cysts, and minimal hearing loss.
Historical Perspective
Papillorenal syndrome for which another term is Renal-coloboma syndrome (RCS). This condition usually consisting of renal anomalies plus optic nerve dysplasia. It is transmitted to future generations in an Autosomal dominant fashion. First clearly described by Weaver al in 1988. In two brothers having ESRD with coloboma in the eyes. In 1995, the association of dominant mutations in the PAX2 gene with RCS was made. It was studied in a two-generation family having renal dysplasia, coloboma of the optic nerve, and also the presence of vesicoureteral reflux. There are different opinions regarding the name of this condition between the observers. Papillorenal syndrome is a combination of renal and ocular anomalies. Eccles and Schimmenti, 1999; Negrisolo et al., 2011 summarized Less common findings associated with the expression of the PAX2 gene in numerous tissues with the disease include hearing loss, CNS anomalies, joint problems, ligament laxity, soft skin.
Pathophysiology
The known cause of the Papillorenal syndrome is mutation of a copy of the PAX2 gene, a gene which is important in the development of both the eye and the kidney. However, approximately half of patients with Papillorenal syndrome do not have defects in the Pax2. This suggests that other genes play a role in the development of the syndrome, though few downstream effectors of Pax2 have been identified.
Papillorenal syndrome differential diagnosis