Autism phenotype in fragile X premutation males is not associated with FMR1 expression: a preliminary evaluation

Hiroshima Journal of Medical Sciences Volume 67 Page 166-173 published_at 2018-05
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Title ( eng )
Autism phenotype in fragile X premutation males is not associated with FMR1 expression: a preliminary evaluation
Creator
Sumekar Tanjung Ayu
Winarni Tri Indah
Mu Yi
Chonchaiya Weerasak
Tassone Flora
Iwahashi Christine
Cheung Katherine
Mh Faradz Sultana
Hagerman Paul J
Nguyen Danh V
Hagerman Randi J
Source Title
Hiroshima Journal of Medical Sciences
Volume 67
Start Page 166
End Page 173
Journal Identifire
[PISSN] 0018-2052
[EISSN] 2433-7668
[NCID] AA00664312
Abstract
To explore the association between autism phenotype and FMR1 protein (FMRP), FMR1 mRNA and CGG repeat length in 31 male FMR1 premutation carriers aged 3.0 to 27.9 years old (mean 13.0 ± SD 6.5) using the ADOS communication, social interactive and total scores. FMRP levels were determined using the sandwich Enzyme-linked Immunosorbent Assay (ELISA) method, FMR1 mRNA expression levels were measured by qRT-PCR, and CGG repeat size was determined using Southern blot and PCR analyses. There was no significant difference in FMRP, CGG repeat length, and FMR1 mRNA between fifteen subjects without (ASD / PDDNOS / autism and sixteen subjects with ASD / PDDNOS / autism. ADOS scores were not significantly associated with either FMRP or FMR1 mRNA, This preliminary evaluation found that autism phenotype is not associated with the level of expression of either FMR1 mRNA or FMRP. However, CGG was significantly negative associated with both ADOS communication score (p= 0.0173) and ADOS total score (p= 0.0358).
Keywords
Autism
CGG
FMR1 mRNA
FMRP
Fragile-X Premutation
Descriptions
This work was supported by National Institute of Health grants HD036071, HD02274, DE019583, DA024854, AG032119, AG032115, MH77554; National Center for Advancing Translational Sciences grant UL1RR024146 and UL1TR000153; and Health and Human Services Administration of Developmental Disabilities grant 90DD05969.
NDC
Medical sciences [ 490 ]
Language
eng
Resource Type departmental bulletin paper
Publisher
Hiroshima University Medical Press
Date of Issued 2018-05
Rights
Copyright (c) 2018 Hiroshima University Medical Press
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0018-2052
[NCID] AA00664312