Misplaced Pages

Senior–Løken syndrome
Other names	Renal dysplasia-retinal aplasia syndrome
Senior–Løken syndrome is an autosomal recessive inherited condition
Specialty	Medical genetics

Senior–Løken syndrome is a congenital eye disorder, first characterized in 1961. It is a rare, ciliopathic, autosomal recessive disorder characterized by juvenile nephronophthis and progressive eye disease.

Genetics

Genes involved include:

Pathophysiology

The cause of Senior–Løken syndrome type 5 has been identified to mutation in the NPHP1 gene which adversely affects the protein formation mechanism of the cilia.

Relation to other rare genetic disorders

Recent findings in genetic research have suggested that a large number of genetic disorders, both genetic syndromes and genetic diseases, that were not previously identified in the medical literature as related, may be, in fact, highly related in the genetypical root cause of the widely varying, phenotypically-observed disorders. Such diseases are becoming known as ciliopathies. Known ciliopathies include primary ciliary dyskinesia, Bardet–Biedl syndrome, polycystic kidney and liver disease, nephronophthisis, Alström syndrome, Meckel–Gruber syndrome and some forms of retinal degeneration.

Diagnosis

This section is empty. You can help by adding to it. (August 2017)

Treatment

This section is empty. You can help by adding to it. (August 2017)

References

1. synd/1861 at Who Named It?
2. Senior B, Friedmann AI, Brando JL (1961). "Juvenile familial nephropathy with tapetoretinal degeneration. A new oculorenal dystrophy". Am. J. Ophthalmol. 52: 625–33. doi:10.1016/0002-9394(61)90147-7. PMID 13910672.
3. Loken AC, Hanssen O, Halvorsen S, Jolster NJ (1961). "Hereditary renal dysplasia and blindness". Acta Paediatrica. 50 (2): 177–84. doi:10.1111/j.1651-2227.1961.tb08037.x. PMID 13763238. S2CID 221396498.
4. ^ Badano, Jose L.; Norimasa Mitsuma; Phil L. Beales; Nicholas Katsanis (2006). "The Ciliopathies: An Emerging Class of Human Genetic Disorders". Annual Review of Genomics and Human Genetics. 7 (1): 125–148. doi:10.1146/annurev.genom.7.080505.115610. PMID 16722803..
5. Otto EA, Loeys B, Khanna H, et al. (March 2005). "Nephrocystin-5, a ciliary IQ domain protein, is mutated in Senior-Loken syndrome and interacts with RPGR and calmodulin". Nat. Genet. 37 (3): 282–8. doi:10.1038/ng1520. PMID 15723066. S2CID 4972004.
6. Davenport, James R.; Bradley K. Yoder (2005). "An incredible decade for the primary cilium : a look at a once-forgotten organelle". American Journal of Physiology. Renal Physiology. 289 (6). American Physiological Society: F1159 – F1169. doi:10.1152/ajprenal.00118.2005. PMID 16275743..

External links

• OMIM: 266900 Senior-Løken syndrome; Renal dysplasia retinal aplasia; Juvenile nephronophthisis with Leber amaurosis at NIH's Office of Rare Diseases
• OMIM: 606996 Senior-Løken syndrome 4 at NIH's Office of Rare Diseases
• NCBI Genetic Testing Registry

• Congenital disorders
• Autosomal recessive disorders
• Rare diseases
• Syndromes affecting the eye
• Ciliopathy