Abstract:
:Mayer-Rokitansky-Küster-Hauser syndrome (MRKH) is a rare malformative disorder, characterized by congenital aplasia of the uterus and the upper two thirds of the vagina (MIM #277000). For a majority of patients, the disorder remained without identified genetic cause. However, four recurrent microdeletions, i.e. 1q21.1-16p11.2-17q12 and 22q11.21, as well as variants in genes contained in these loci, have been identified in a small number of cases. We describe an additional patient with 2q12.1q14.1 microdeletion, showing MRKH and congenital hypothyroidism due to thyroid gland hypoplasia. The patient received a dual diagnosis with microdeletion of SHOX locus in addition to the 2q12.1q14.1 microdeletion. Literature review and database analysis has enabled us to identify 5 OMIM morbid genes: CKAP2L, IL1B, IL1RN, IL36RN and PAX8. Among these, PAX8 (Paired Box Gene 8), a transcriptional factor part of the paired-box family, plays a key role in the development of the thyroid gland, kidneys and Müllerian derivatives. We discuss here the role of PAX8 and speculate on the possible involvement of PAX8 in MRKH. In this study, we report a second case of 2q12.1q14.1 microdeletion, involving PAX8 as a gene associated with Müllerian agenesis in a MRKH I and hypothyroidism. Further studies will confirm the direct participation of PAX8 in gene target sequencing in a population of MRKH with hypothyroidism.
journal_name
Eur J Med Genetjournal_title
European journal of medical geneticsauthors
Smol T,Ribero-Karrouz W,Edery P,Gorduza DB,Catteau-Jonard S,Manouvrier-Hanu S,Ghoumid Jdoi
10.1016/j.ejmg.2019.103812subject
Has Abstractpub_date
2020-04-01 00:00:00pages
103812issue
4eissn
1769-7212issn
1878-0849pii
S1769-7212(19)30433-1journal_volume
63pub_type
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