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Title: All-trans retinoic acid upregulates reduced CD38 transcription in lymphoblastoid cell lines from autism spectrum disorder
Authors: Riebold, M.
Mankuta, D.
Lere, E.
Israel, S.
Zhong, S. 
Nemanov, L.
Monakhov, M.V. 
Levi, S.
Yirmiya, N.
Yaari, M.
Malavasi, F.
Ebstein, R.P. 
Issue Date: Jul-2011
Source: Riebold, M., Mankuta, D., Lere, E., Israel, S., Zhong, S., Nemanov, L., Monakhov, M.V., Levi, S., Yirmiya, N., Yaari, M., Malavasi, F., Ebstein, R.P. (2011-07). All-trans retinoic acid upregulates reduced CD38 transcription in lymphoblastoid cell lines from autism spectrum disorder. Molecular Medicine 17 (7-8) : 799-806. ScholarBank@NUS Repository.
Abstract: Deficits in social behavior in mice lacking the CD38 gene have been attributed to impaired secretion of oxytocin. In humans, similar deficits in social behavior are associated with autistic spectrum disorder (ASD), for which genetic variants of CD38 have been pinpointed as provisional risk factors. We sought to explore, in an in vitro model, the feasibility of the theory that restoring the level of CD38 in ASD patients could be of potential clinical benefit. CD38 transcription is highly sensitive to several cytokines and vitamins. One of these, all-trans retinoic acid (ATRA), a known inducer of CD38, was added during cell culture and tested on a large sample of N = 120 lymphoblastoid cell (LBC) lines from ASD patients and their parents. Analysis of CD38 mRNA levels shows that ATRA has an upmodulatory potential on LBC derived from ASD patients as well as from their parents. The next crucial issue addressed in our study was the relationship between levels of CD38 expression and psychological parameters. The results obtained indicate a positive correlation between CD38 expression levels and patient scores on the Vineland Adaptive Behavior Scale. In addition, analysis of the role of genetic polymorphisms in the dynamics of the molecule revealed that the genotype of a single-nucleotide polymorphism (rs6449182; C>G variation) in the CpG island of intron 1, harboring the retinoic-acid response element, exerts differential roles in CD38 expression in ASD and in parental LBC. In conclusion, our results provide an empirical basis for the development of a pharmacological ASD treatment strategy based on retinoids. © 2011 The Feinstein Institute for Medical Research.
Source Title: Molecular Medicine
ISSN: 10761551
DOI: 10.2119/molmed.2011.00080
Appears in Collections:Staff Publications

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