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New cause identified for children and adults with joint, skeletal and skin problems

Scientists from The and have identified the cause of a rare condition called Leri’s pleonosteosis (LP).

from the at The University of Manchester, led a team of researchers on the study which is published in Annals of Rheumatic Diseases journal.

LP is an inherited condition in which children are born with contractures of multiple joints and then develop difficulty of joint movements that progress in severity with age. The research team showed that extra genetic material on chromosome number 8 caused the condition in two families from Manchester.

Some patients with LP also develop thickening of their skin, similar to that seen in patients with a more common disorder called .

Using their new knowledge, the research team showed that the genetic cause of LP is linked to whether people get scleroderma or not.

This work opens opportunities to understand scleroderma and explore new treatments.

Leri’s pleonosteosis, a congenital rheumatic disease, results from microduplication at 8q22.1 encompassing GDF6 and SDC2 and provides insight into systemic sclerosis pathogenesis, Authors: , Stuart A Cain, Sabrya Carim, Sarah B Daly, Jill E Urquhart, G├╝nhan Erdem, Jade Harris, Michelle Bottomley, Dian Donnai, Bronwyn Kerr, Helen Kingston, Andreas Superti-Furga, Sheila Unger, Holly Ennis, Jane Worthington, Ariane L Herrick, Catherine L R Merry, Wyatt W Yue, Cay M Kielty, Ann Rheum Dis doi:10.1136/annrheumdis-2013-204309

Source

The University of Manchester