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    Familial predisposition is among the major genetic risk factors for non-contact musculoskeletal tissue injuries. Personal genome sequence shows that different polymorphism profiles may account for the number and the degree of injuries and the recovery time. Genotyping studies allow investigation into genome factors with potential impact on pathogenesis of non-contact ligament injuries. We have studied a family with twin sibling males surgically diagnosed of an anterior cruciate ligament non-contact rupture and non-affected progenitors (father and mother) were subjected to whole exome sequencing (WES) analysis. WES analysis previously carried out on 16 individuals, without ACL injury medical records, were also included in this study for single nucleotide variants (SNVs) and small insertions and deletions detection (indels), variant filtering and to prioritize variants relative to the disease. WES analysis to identify SNVs and indels was performed using open web-based bioinformatics tools. A set of 11 new variants shared by family members can be associated to ACL non-contact injury, including SerpinA11, ARSI, NOCHT4, EPB41, FDFT1, POMC, KIF26A, OLFML2B, ATG7, FAH and WDR6. All of them, except ATG7 and WDR6, have shown a damaging predictive pattern by combinatorial standard predictive scores. In combination to the identified SNVs of EPB41 and SerpinA11 genes, ACTL7A gene showed a predicted deleterious variant reinforcing the idea these variants impact on of fibroblast-like cells deformability and ECM misbalance, Differential gene expression and RNA sequencing analysis will help to understand the combined participation of these protein coding genes in ACL non-contact injuries. © 2016 Elsevier Ltd. All rights reserved.

    Citation

    Enrique Caso, Antonio Maestro, Cristina C Sabiers, Manuel Godino, Zaira Caracuel, Joana Pons, F Jesus Gonzalez, Rocio Bautista, M Gonzalo Claros, Jaime Caso-Onzain, Elena Viejo-Allende, Peter V Giannoudis, Sara Alvarez, Paolo Maietta, Enrique Guerado. Whole-exome sequencing analysis in twin sibling males with an anterior cruciate ligament rupture. Injury. 2016 Sep;47 Suppl 3:S41-S50

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    PMID: 27692106

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