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BioMed Research International - Volume 2015 2015, Article ID 315216, 2 pages -

Editorial

Center for Experimental Medicine and Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha 410013, China

Clinic and Policlinic for Psychiatry, Psychosomatics and Psychotherapy, University of Wuerzburg, 97080 Wurzburg, Germany

Division of Neuromuscular Medicine, Davee Department of Neurology and Clinical Neurosciences, Northwestern University Feinberg School of Medicine, Chicago, IL 60208, USA

Center for Translational Research of Neurology Disease, The 1st Affiliated Hospital, Dalian Medical University, Dalian 11600, China

Key Laboratory of Carcinogenesis of Ministry of Health and Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Cancer Research Institute, Central South University, Changsha 410013, China

Center for Experimental Medicine, The Third Xiangya Hospital, Central South University, Changsha 410013, China

Department of Medical Information, Xiangya School of Medicine, Central South University, Changsha 410013, China

Received 1 April 2015; Accepted 1 April 2015

Copyright © 2015 Hao Deng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

There is no question that the rapid advance in genetic technology is changing our viewpoint on medical practice, which is dramatically improving the diagnosis, prognosis, and therapy of human genetic disease. In particular, the next-generation sequencing NGS technologies, such as exome sequencing and whole-genome sequencing, and gene editing technology have been applied to several areas, such as genomes, transcriptomes, and epigenomes, and have transformed the genetic research of human diseases. As a powerful and cost-effective discovery and diagnostic tool, exome sequencing was widely used in detecting disease-associated variants underlying genetic disease and developed genetic research such as personalized medicine and personal genomics.

Through rigorous peer review, this special issue includes high-quality papers. We provide a general description as follows.

In the paper, “A Novel COL4A5 Mutation Identified in a Chinese Han Family Using Exome Sequencing,” X. Xiu et al. have explored the disease-related gene in a four-generation Chinese Han pedigree of Alport syndrome. Their results showed that a novel deletion COL4A5 mutation, c.499delC p.Pro167Glnfs, may be responsible for AS in this family. Also, their works indicate that exome sequencing is a fast, sensitive, and relatively low-cost method to identify disease-associated mutations.

By using NGS, Q. Zhou et al. intended to study the possible association of certain genes with X-linked retinitis pigmentosa RP in a Chinese family. They discovered a novel c.C1555T p.R519T mutation in the CACNA1F gene on X chromosome, which showed perfect cosegregation with the disease in the family. The identification may have significant contribution for the RP diagnosis, genetic counseling, and clinical management.

C. Wang and Q. Tian determined the long-term quality of life QOL in Chinese patients with disorders of sex development DSD. Their works suggest that, compared with the Chinese urban population, the QOL score of DSD patients in China was not significantly lower. With proper treatment, including the follow-up and psychological support, the QOL of DSD patients cannot be significantly reduced, and more attention should be paid to the potential psychological and sexual problems.

A. P. Grillo et al. investigated the association of nine single nucleotide polymorphisms SNPs located within the DFNB1 locus with the occurrence of autosomal recessive nonsyndromic hearing loss ARNSHL. Their works showed that there were statistically significant differences between patients and controls, and the SNPs presented in the GJB2 and GJB6 genes may have an influence on ARNSHL in humans.

R. S. Honjo et al. intended to report the clinical findings of 55 Brazilian Williams-Beuren syndrome WBS patients confirmed by Multiplex Ligation-Dependent Probe Amplification MLPA. Their results indicate that MLPA was a promising method in the diagnostic investigation of WBS and was effective in detecting the microdeletion.

A. Gordon-Shaag et al. summarized the current research development in keratoconus KC epidemiology and genetic etiology. Risk factors, including environmental, socioeconomic, and familial factors, were also discussed. The detailed molecular mechanism will significantly advance our understanding of KC and promote the development of potential therapies.

G. N. Cerbino et al. reviewed the molecular heterogeneity of Acute Intermittent Porphyria AIP in Argentinean patients. Thirty-five different mutations were identified in the HMBS gene, and a founder effect p.G111R was found. Their works also indicated the importance of molecular techniques as the most appropriate tools for detecting and identifying specific mutations in carriers of affected families.

R. Farhat et al. intended to explain the variable phenotypes of CFTR c.3909C>G mutation in Cystic Fibrosis patients in the Lebanese. They identified the association between the CFTR c.3909C>G and complex allele c.744-33GATT6; 869+11C>T. Splicing studies revealed no impact of the c.3909C>G mutation on splicing, whereas the associated complex allele induces minor exon 7 skipping.

With the development of NGS, it has been used for uncovering the genes underlying unsolved Mendelian disorders, explaining the heritability of complex and health-related trains, and even setting the stage for applying to facilitate clinical diagnosis and personalized disease-risk profiling. New mutations, if validated, contribute to find specific and selective biomarkers for certain diseases, which are important prerequisites for early diagnosis and treatment. Few diseases could be due to a single factor, and most common diseases are multifactorial. Exploring the interaction of multiple factors, including modificator genes and environmental and geographical factors, may help us to better understand the genetics mechanism of human disease.

This special issue is intended to develop and expand the association between human disease and genetics. By soliciting paper, we hope this special issue will help stimulate the understanding of molecular pathology underlying human genetics diseases and provide new insight in diagnosis, therapy, and genetic counseling of human genetic disease.

Acknowledgments

We would like to express appreciation to the authors for their contribution in assisting us. We also thank the anonymous reviewers who helped improve the quality of the papers.

Hao DengPeter RiedererHan-Xiang DengWeidong LeWei XiongYi Guo





Author: Hao Deng, Peter Riederer, Han-Xiang Deng, Weidong Le, Wei Xiong, and Yi Guo

Source: https://www.hindawi.com/



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