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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1965 1
1966 10
1967 25
1968 36
1969 23
1970 14
1971 7
1972 10
1973 6
1975 1
1976 1
1977 1
1979 1
1980 1
1982 3
1983 1
1985 2
1986 1
1988 4
1989 7
1990 14
1991 33
1992 39
1993 46
1994 50
1995 62
1996 41
1997 50
1998 55
1999 62
2000 49
2001 56
2002 53
2003 52
2004 80
2005 108
2006 90
2007 94
2008 98
2009 120
2010 109
2011 110
2012 107
2013 102
2014 114
2015 96
2016 85
2017 89
2018 74
2019 45
2020 0
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2,082 results
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Page 1
Negative interference by rheumatoid factor in alpha-fetoprotein chemiluminescent microparticle immunoassay.
Wang H, et al. Ann Clin Biochem 2017. PMID 27073029
Background Rheumatoid factor causes positive interference in multiple immunoassays. Recently, negative interference has also been found in immunoassays in the presence of rheumatoid factor. ...The recovery of alpha-fetoprotein was significantly lower in the rheumatoid factor-positive serum samples than in the rheumatoid factor-negative serum samples. ...
Background Rheumatoid factor causes positive interference in multiple immunoassays. Recently, negative interference has also b …
Performance characteristics of rheumatoid factor and anti-cyclic citrullinated peptide antibody assays may impact ACR/EULAR classification of rheumatoid arthritis.
Van Hoovels L, et al. Ann Rheum Dis 2018. PMID 29363510
OBJECTIVES: Rheumatoid factor (RF) and anti-cyclic citrullinated protein/peptide antibodies (ACPA) are integrated in the 2010 American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) classification criteria for rheumatoid arthritis (RA). ...
OBJECTIVES: Rheumatoid factor (RF) and anti-cyclic citrullinated protein/peptide antibodies (ACPA) are integrated in the 2010 …
Rheumatoid factor false positivity in patients with ANCA-associated vasculitis not having medical conditions producing rheumatoid factor.
Moon JS, et al. Clin Rheumatol 2018. PMID 29119480
We investigated the rate of rheumatoid factor (RF) false positivity at diagnosis and its influence on clinical and prognostic features and rheumatoid arthritis (RA) development during the follow-up in antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) patients without RA or other medical conditions triggering RF false positivity. ...
We investigated the rate of rheumatoid factor (RF) false positivity at diagnosis and its influence on clinical and prognostic …
Elevated rheumatoid factor and long term risk of rheumatoid arthritis: a prospective cohort study.
Nielsen SF, et al. BMJ 2012. PMID 22956589 Free PMC article.
OBJECTIVE: To test whether elevated concentration of rheumatoid factor is associated with long term development of rheumatoid arthritis. ...Blood was drawn in 1981-83, and participants were followed until 10 August 2010. SETTING: Copenhagen general population. PARTICIPANTS: 9712 white Danish individuals from the general population aged 20-100 years without rheumatoid arthritis at study entry. ...
OBJECTIVE: To test whether elevated concentration of rheumatoid factor is associated with long term development of rheumato
Preclinical Rheumatoid Arthritis and Rheumatoid Arthritis Prevention.
Deane KD. Curr Rheumatol Rep 2018 - Review. PMID 29946747
PURPOSE OF REVIEW: This review is to provide an update on the current understanding of rheumatoid arthritis (RA) development related to disease development prior to the onset clinically apparent synovitis and opportunities for disease prevention. RECENT FINDINGS: A growing number of studies have demonstrated that serum elevations of autoantibodies rheumatoid factor and antibodies to citrullinated protein/peptide antigens (ACPA) are highly predictive of future development of IA/RA. ...
PURPOSE OF REVIEW: This review is to provide an update on the current understanding of rheumatoid arthritis (RA) development related …
[Rheumatoid factor or antinuclear antibodies as incidental finding].
Biesen R, et al. Internist (Berl) 2014. PMID 25269385 German.
Rheumatoid factor and antinuclear antibodies are detectable in many different conditions and are ordered by various specialities. ...
Rheumatoid factor and antinuclear antibodies are detectable in many different conditions and are ordered by various specialiti
High levels of soluble GPR56/ADGRG1 are associated with positive rheumatoid factor and elevated tumor necrosis factor in patients with rheumatoid arthritis.
Tseng WY, et al. J Microbiol Immunol Infect 2018. PMID 28690029 Free article.
Intriguingly, serum sGPR56 levels in RA patients correlated with positive rheumatoid factor, a marker of bone erosion and poor outcome. In addition, an elevated sGPR56 level is also noted in RA patients with higher tumor necrosis factor level. CONCLUSION: we conclude that sGPR56 is present in vivo and sGPR56 level is elevated in certain chronic inflammatory diseases such as RA. ...
Intriguingly, serum sGPR56 levels in RA patients correlated with positive rheumatoid factor, a marker of bone erosion and poor …
[PRECLINICAL RHEUMATOID ARTHRITIS].
Elalouf O and Elkayam O. Harefuah 2017 - Review. PMID 28786276 Hebrew.
This period is called preclinical rheumatoid arthritis. In the preclinical phase, autoantibodies such as rheumatoid factor, antibodies to citrullinated proteins and many other antibodies and inflammatory markers are abundant. These findings and the evidence of genetic and environmental risk factors for rheumatoid arthritis support the theory which claims that multiple factors contribute to the development of an autoimmune process that progresses and expands until reaching a critical point where rheumatoid arthritis develops....
This period is called preclinical rheumatoid arthritis. In the preclinical phase, autoantibodies such as rheumatoid factor
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