Inherited IFNAR1 deficiency in otherwise healthy patients with adverse reaction to measles and yellow fever live vaccines.

Hernandez N, Bucciol G, Moens L, Le Pen J, Shahrooei M, Goudouris E, Shirkani A, Changi-Ashtiani M, Rokni-Zadeh H, Sayar EH, Reisli I, Lefevre-Utile A, Zijlmans D, Jurado A, Pholien R, Drutman S, Belkaya S, Cobat A, Boudewijns R, Jochmans D, Neyts J, Seeleuthner Y, Lorenzo-Diaz L, Enemchukwu C, Tietjen I, Hoffmann HH, Momenilandi M, Pöyhönen L, Siqueira MM, de Lima SMB, de Souza Matos DC, Homma A, Maia MLS, da Costa Barros TA, de Oliveira PMN, Mesquita EC, Gijsbers R, Zhang SY, Seligman SJ, Abel L, Hertzog P, Marr N, Martins RM, Meyts I, Zhang Q, MacDonald MR, Rice CM, Casanova JL, Jouanguy E, Bossuyt X.

Source : J. Exp. Med.

2019 Dec 9

Pmid : 31270247


Vaccination against measles, mumps, and rubella (MMR) and yellow fever (YF) with live attenuated viruses can rarely cause life-threatening disease. Severe illness by MMR vaccines can be caused by inborn errors of type I and/or III interferon (IFN) immunity (mutations in IFNAR2, STAT1, or STAT2). Adverse reactions to the YF vaccine have remained unexplained. We report two otherwise healthy patients, a 9-yr-old boy in Iran with severe measles vaccine disease at 1 yr and a 14-yr-old girl in Brazil with viscerotropic disease caused by the YF vaccine at 12 yr. The Iranian patient is homozygous and the Brazilian patient compound heterozygous for loss-of-function IFNAR1 variations. Patient-derived fibroblasts are susceptible to viruses, including the YF and measles virus vaccine strains, in the absence or presence of exogenous type I IFN. The patients' fibroblast phenotypes are rescued with WT IFNAR1 Autosomal recessive, complete IFNAR1 deficiency can result in life-threatening complications of vaccination with live attenuated measles and YF viruses in previously healthy individuals.

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