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Letter to the Editor| Volume 58, ISSUE 2, P247, February 2020

Re: Association between facial measurements and polymorphisms in human epidermal growth factor and transforming growth factor β1

Published:January 28, 2020DOI:https://doi.org/10.1016/j.bjoms.2020.01.015
      We read with great interest the recent paper by Cavalcante et al, “Association between facial measurements and polymorphisms in human epidermal growth factor and transforming growth factor β1”.
      • Cavalcante R.C.
      • Bergamaschi I.P.
      • Sebastiani A.M.
      • et al.
      Association between facial measurements and polymorphisms in human epidermal growth factor and transforming growth factor β1.
      They noted that “Genetic polymorphisms in EGF and TGF-β1 are associated with facial measurements in a Brazilian population of patients with dentofacial deformities.”
      • Cavalcante R.C.
      • Bergamaschi I.P.
      • Sebastiani A.M.
      • et al.
      Association between facial measurements and polymorphisms in human epidermal growth factor and transforming growth factor β1.
      In fact, the molecular change attributed to EGF and TGF-β1 can result in altered phenotypic expression. Nevertheless, there are also other genetic polymorphisms that are associated with facial measurements
      • Claes P.
      • Roosenboom J.
      • White J.D.
      • et al.
      Genome-wide mapping of global-to-local genetic effects on human facial shape.
      such as ENPP1 and FGFR1.
      • He H.
      • Mi X.
      • Zhang J.
      • et al.
      Correlation between facial morphology and gene polymorphisms in the Uygur youth population.
      Cavalcante et al did not evaluate the effect of these confounding polymorphisms, and so we think that further studies are necessary.
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      References

        • Cavalcante R.C.
        • Bergamaschi I.P.
        • Sebastiani A.M.
        • et al.
        Association between facial measurements and polymorphisms in human epidermal growth factor and transforming growth factor β1.
        Br J Oral Maxillofac Surg. 2020; (pii: S0266-4356(19)30781-8. [Epub ahead of print])https://doi.org/10.1016/j.bjoms.2019.11.024
        • Claes P.
        • Roosenboom J.
        • White J.D.
        • et al.
        Genome-wide mapping of global-to-local genetic effects on human facial shape.
        Nat Genet. 2018; 50: 414-423
        • He H.
        • Mi X.
        • Zhang J.
        • et al.
        Correlation between facial morphology and gene polymorphisms in the Uygur youth population.
        Oncotarget. 2017; 8: 28750-28757