Study Results
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Basic Information
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COMPLETED
213 participants
OBSERVATIONAL
2012-11-30
2014-05-31
Brief Summary
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In this retrospective study, clinical data were obtained from medical files and blood samples were selected from preexisting biological collection. SLE patients (n=165) were informed and did not objected, they were matched to healthy controls (n=48). Disease activity was determined according to the SLEDAI score. Anti-ficolin-3, anti-dsDNA and anti-C1q antibodies levels were measured in sera by ELISA. First, a highly significant difference was found in the anti-ficolin-3 levels between SLE patients and healthy subjects. Anti-ficolin-3 antibodies were detected as positive in 58 of 165 (35%) SLE patients. The titer of anti-ficolin-3 antibodies was correlated with the SLEDAI score (p\<0.0001). The presence of anti-ficolin-3 antibodies was associated with anti-C1q and anti-dsDNA antibodies. Regarding associations with clinical manifestations, only the presence of active lupus nephritis was significantly associated with the presence of anti-ficolin-3 antibodies (p=0.0001). This association with renal involvement was higher with anti-ficolin-3 antibodies than with other auto-antibodies. Interestingly, the combination of anti-ficolin-3 and anti-C1q antibodies demonstrated higher specificity than any other traditional biomarker.
These results suggest that anti-ficolin-3 could be useful for the diagnosis of active nephritis in SLE patients.
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Detailed Description
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Conditions
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Study Design
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CASE_CONTROL
RETROSPECTIVE
Study Groups
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SLE patients
165 SLE patients. Subgroup : 77 with active lupus and 88 in disease remission. in the active subgroup : 36 with lupus nephritis and 41 without.
Biological analysis were performed.
Biological analysis
Biological analysis :
* ficolin-3
* anti-ficolin 3 antibodies
* anti-C1q antibodies
healthy patients
48 healthy patients. Biological analysis were performed.
Biological analysis
Biological analysis :
* ficolin-3
* anti-ficolin 3 antibodies
* anti-C1q antibodies
Interventions
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Biological analysis
Biological analysis :
* ficolin-3
* anti-ficolin 3 antibodies
* anti-C1q antibodies
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Patients with lupus diagnostic criteria (ACR1997)
Exclusion Criteria
* Patient with known evolutive cancer
48 healthy patients matched in age and sex with one or several SLE patients
18 Years
70 Years
ALL
Yes
Sponsors
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University Hospital, Marseille
OTHER
University Hospital, Grenoble
OTHER
Responsible Party
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Principal Investigators
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Chantal DUMESTRE-PERARD, PhD
Role: PRINCIPAL_INVESTIGATOR
University Hospital Grenoble, FRANCE
References
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Andersen T, Munthe-Fog L, Garred P, Jacobsen S. Serum levels of ficolin-3 (Hakata antigen) in patients with systemic lupus erythematosus. J Rheumatol. 2009 Apr;36(4):757-9. doi: 10.3899/jrheum.080361. Epub 2009 Feb 4.
Herrmann M, Voll RE, Zoller OM, Hagenhofer M, Ponner BB, Kalden JR. Impaired phagocytosis of apoptotic cell material by monocyte-derived macrophages from patients with systemic lupus erythematosus. Arthritis Rheum. 1998 Jul;41(7):1241-50. doi: 10.1002/1529-0131(199807)41:73.0.CO;2-H.
Honore C, Hummelshoj T, Hansen BE, Madsen HO, Eggleton P, Garred P. The innate immune component ficolin 3 (Hakata antigen) mediates the clearance of late apoptotic cells. Arthritis Rheum. 2007 May;56(5):1598-607. doi: 10.1002/art.22564.
Liphaus BL, Kiss MH. The role of apoptosis proteins and complement components in the etiopathogenesis of systemic lupus erythematosus. Clinics (Sao Paulo). 2010 Mar;65(3):327-33. doi: 10.1590/S1807-59322010000300014.
Orbai AM, Truedsson L, Sturfelt G, Nived O, Fang H, Alarcon GS, Gordon C, Merrill J, Fortin PR, Bruce IN, Isenberg DA, Wallace DJ, Ramsey-Goldman R, Bae SC, Hanly JG, Sanchez-Guerrero J, Clarke AE, Aranow CB, Manzi S, Urowitz MB, Gladman DD, Kalunian KC, Costner MI, Werth VP, Zoma A, Bernatsky S, Ruiz-Irastorza G, Khamashta MA, Jacobsen S, Buyon JP, Maddison P, Dooley MA, Van Vollenhoven RF, Ginzler E, Stoll T, Peschken C, Jorizzo JL, Callen JP, Lim SS, Fessler BJ, Inanc M, Kamen DL, Rahman A, Steinsson K, Franks AG Jr, Sigler L, Hameed S, Pham N, Brey R, Weisman MH, McGwin G Jr, Magder LS, Petri M. Anti-C1q antibodies in systemic lupus erythematosus. Lupus. 2015 Jan;24(1):42-9. doi: 10.1177/0961203314547791. Epub 2014 Aug 14.
Yoshizawa S, Nagasawa K, Yae Y, Niho Y, Okochi K. A thermolabile beta 2-macroglycoprotein (TMG) and the antibody against TMG in patients with systemic lupus erythematosus. Clin Chim Acta. 1997 Aug 29;264(2):219-25. doi: 10.1016/s0009-8981(97)00078-8. No abstract available.
Sato N, Ohsawa I, Nagamachi S, Ishii M, Kusaba G, Inoshita H, Toki A, Horikoshi S, Ohi H, Matsushita M, Tomino Y. Significance of glomerular activation of the alternative pathway and lectin pathway in lupus nephritis. Lupus. 2011 Nov;20(13):1378-86. doi: 10.1177/0961203311415561. Epub 2011 Sep 5.
Kuraya M, Ming Z, Liu X, Matsushita M, Fujita T. Specific binding of L-ficolin and H-ficolin to apoptotic cells leads to complement activation. Immunobiology. 2005;209(9):689-97. doi: 10.1016/j.imbio.2004.11.001.
Lacroix M, Dumestre-Perard C, Schoehn G, Houen G, Cesbron JY, Arlaud GJ, Thielens NM. Residue Lys57 in the collagen-like region of human L-ficolin and its counterpart Lys47 in H-ficolin play a key role in the interaction with the mannan-binding lectin-associated serine proteases and the collectin receptor calreticulin. J Immunol. 2009 Jan 1;182(1):456-65. doi: 10.4049/jimmunol.182.1.456.
Takahashi R, Tsutsumi A, Ohtani K, Goto D, Matsumoto I, Ito S, Wakamiya N, Sumida T. Anti-mannose binding lectin antibodies in sera of Japanese patients with systemic lupus erythematosus. Clin Exp Immunol. 2004 Jun;136(3):585-90. doi: 10.1111/j.1365-2249.2004.02477.x.
Other Identifiers
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1841851v0
Identifier Type: -
Identifier Source: org_study_id
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