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Bone & Joint 360
Vol. 3, Issue 2 | Pages 28 - 29
1 Apr 2014
El-Hawary R


Bone & Joint Research
Vol. 5, Issue 7 | Pages 301 - 306
1 Jul 2016
Madhuri V Santhanam M Rajagopal K Sugumar LK Balaji V

Objectives

To determine the pattern of mutations of the WISP3 gene in clinically identified progressive pseudorheumatoid dysplasia (PPD) in an Indian population.

Patients and Methods

A total of 15 patients with clinical features of PPD were enrolled in this study. Genomic DNA was isolated and polymerase chain reaction performed to amplify the WISP3 gene. Screening for mutations was done by conformation-sensitive gel electrophoresis, beginning with the fifth exon and subsequently proceeding to the remaining exons. Sanger sequencing was performed for both forward and reverse strands to confirm the mutations.



Bone & Joint Research
Vol. 3, Issue 9 | Pages 273 - 279
1 Sep 2014
Vasiliadis ES Kaspiris A Grivas TB Khaldi L Lamprou M Pneumaticos SG Nikolopoulos K Korres DS Papadimitriou E

Objectives

The aim of this study was to examine whether asymmetric loading influences macrophage elastase (MMP12) expression in different parts of a rat tail intervertebral disc and growth plate and if MMP12 expression is correlated with the severity of the deformity.

Methods

A wedge deformity between the ninth and tenth tail vertebrae was produced with an Ilizarov-type mini external fixator in 45 female Wistar rats, matched for their age and weight. Three groups were created according to the degree of deformity (10°, 30° and 50°). A total of 30 discs and vertebrae were evaluated immunohistochemically for immunolocalisation of MMP12 expression, and 15 discs were analysed by western blot and zymography in order to detect pro- and active MMP12.