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Autoantibody Response Against NALP5/MATER in Primary Ovarian Insufficiency and in Autoimmune Addison's Disease
Univ Perugia, Dept Internal Med, I-06126 Perugia, Italy..
Uppsala universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper, Dermatologi och venereologi. Uppsala universitet, Science for Life Laboratory, SciLifeLab.
Univ Perugia, Dept Internal Med, I-06126 Perugia, Italy..
Univ Perugia, Dept Internal Med, I-06126 Perugia, Italy..
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2015 (Engelska)Ingår i: Journal of Clinical Endocrinology and Metabolism, ISSN 0021-972X, E-ISSN 1945-7197, Vol. 100, nr 5, s. 1941-1948Artikel i tidskrift (Refereegranskat) Published
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Abstract [en]

Context: NACHT leucine-rich-repeat protein 5 (NALP5)/maternal antigen that embryo requires (MATER) is an autoantigen in hypoparathyroidism associated with autoimmune polyendocrine syndrome type 1 (APS1) but is also expressed in the ovary. Mater is an autoantigen in experimental autoimmune oophoritis. Objectives: The objectives of the study were to determine the frequency of NALP5/MATER autoantibodies (NALP5/MATER-Ab) in women with premature ovarian insufficiency (POI) and in patients with autoimmune Addison's disease (AAD) and to evaluate whether inhibin chains are a target for autoantibodies in POI. Methods: Autoantibodies against NALP5/MATER and inhibin chains-alpha and -beta A were determined by radiobinding assays in 172 patients with AAD without clinical signs of gonadal insufficiency, 41 women with both AAD and autoimmune POI [steroidogenic cell autoimmune POI (SCA-POI)], 119 women with idiopathic POI, 19 patients with APS1, and 211 healthy control subjects. Results: NALP5/MATER-Ab were detected in 11 of 19 (58%) sera from APS1 patients, 12 of 172 (7%) AAD sera, 5 of 41 (12%) SCA-POI sera, 0 of 119 idiopathic POI sera and 1 of 211 healthy control sera (P < .001). None of 160 POI sera, including 41 sera from women with SCA-POI and 119 women with idiopathic POI, and none of 211 healthy control sera were positive for inhibin chain-alpha/beta A autoantibodies. Conclusions: NALP5/MATER-Ab are associated with hypoparathyroidism in APS1 but are present also in patients with AAD and in women with SCA-POI without hypoparathyroidism. Inhibin chains do not appear to be likely candidate targets of autoantibodies in human POI.

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2015. Vol. 100, nr 5, s. 1941-1948
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Endokrinologi och diabetes
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URN: urn:nbn:se:uu:diva-269775DOI: 10.1210/jc.2014-3571ISI: 000357669000048PubMedID: 25734249OAI: oai:DiVA.org:uu-269775DiVA, id: diva2:885436
Tillgänglig från: 2015-12-18 Skapad: 2015-12-18 Senast uppdaterad: 2017-12-01Bibliografiskt granskad

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Alimohammadi, MohammadKämpe, Olle

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Dermatologi och venereologiScience for Life Laboratory, SciLifeLabAutoimmunitet
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