期刊
FRONTIERS IN MEDICINE
卷 10, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fmed.2023.1227786
关键词
familial rheumatoid arthritis; risk factors; shared epitope; low education; symmetrical arthralgia; childless
This study investigated factors associated with the conversion from familial rheumatoid arthritis (RA) to RA. The results showed that before the onset of RA, individuals at risk of progressing to RA among those with familial RA relatives were characterized by arthralgia, severe morning symptoms, a lower educational level, and rural location. Additionally, the HLA-DRB1 SE risk factor, symmetrical arthralgia, and passive smoking were associated with the conversion to RA.
BackgroundA familial history of rheumatoid arthritis (RA) predisposes an individual to develop RA. This study aimed at investigating factors associated with this conversion from the Tatarstan cohort.MethodsA total of 144 individuals, referred to as pre-RA and at risk for familial RA, were selected 2 years (range: 2-21 years) before conversion to RA and compared to non-converted 328 first-degree relatives (FDR) from RA as assessed after >= 2 years follow-up, and 355 healthy controls were also selected (HC). Preclinical parameters and socio-demographic/individual/HLA genetic factors were analyzed when data were available at the time of enrollment.ResultsAs compared to FDR and HC groups, pre-RA individuals were characterized before conversion to RA by the presence of arthralgia, severe morning symptoms, a lower educational level, and rural location. An association with the HLA-DRB1 SE risk factor was also retrieved with symmetrical arthralgia and passive smoking. On the contrary, alcohol consumption and childlessness in women were protective and associated with the HLA-DRB1*07:01 locus.ConclusionBefore RA onset, a combination of individual and genetic factors characterized those who are at risk of progressing to RA among those with familial RA relatives.
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