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Background

Previous studies focusing on candidate genes and chromosomal regions identified several copy number variations (CNVs) associated with increased risk of autism or autism spectrum disorders (ASD).

Case Presentation

We describe a 17-year-old girl with autism, severe mental retardation, epilepsy, and partial 9p duplication syndrome features in whom GTG-banded chromosome analysis revealed a female karyotype with a marker chromosome in 69% of analyzed metaphases. Array CGH analysis showed that the marker chromosome originated from 9p24.3 to 9p13.1 with a gain of 38.9 Mb. This mosaic 9p duplication was detected only in the proband and not in the parents, her four unaffected siblings, or 258 ethnic controls. Apart from the marker chromosome, no other copy number variations (CNVs) were detected in the patient or her family. Detailed analysis of the duplicated region revealed: i) an area extending from 9p22.3 to 9p22.2 that was previously identified as a critical region for the 9p duplication syndrome; ii) a region extending from 9p22.1 to 9p13.1 that was previously reported to be duplicated in a normal individual; and iii) a potential ASD locus extending from 9p24.3 to 9p23. The ASD candidate locus contained 34 genes that may contribute to the autistic features in this patient.

Conclusion

We identified a potential ASD locus (9p24.3 to 9p23) that may encompass gene(s) contributing to autism or ASD.  相似文献   
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Robinson  Jamie R.  Carroll  Robert J.  Bastarache  Lisa  Chen  Qingxia  Mou  Zongyang  Wei  Wei-Qi  Connolly  John J.  Mentch  Frank  Sleiman  Patrick  Crane  Paul K.  Hebbring  Scott J.  Stanaway  Ian B.  Crosslin  David R.  Gordon  Adam S.  Rosenthal  Elisabeth A.  Carrell  David  Hayes  M. Geoffrey  Wei  Wei  Petukhova  Lynn  Namjou  Bahram  Zhang  Ge  Safarova  Maya S.  Walton  Nephi A.  Still  Christopher  Bottinger  Erwin P.  Loos  Ruth J. F.  Murphy  Shawn N.  Jackson  Gretchen P.  Kullo  Iftikhar J.  Hakonarson  Hakon  Jarvik  Gail P.  Larson  Eric B.  Weng  Chunhua  Roden  Dan M.  Denny  Joshua C. 《World journal of surgery》2020,44(1):84-94
World Journal of Surgery - The extent to which obesity and genetics determine postoperative complications is incompletely understood. We performed a retrospective study using two population cohorts...  相似文献   
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