Article ; Online: Anti-phosphatidyl-serine/prothrombin (aPS/PT) antibodies are superior predictors of LAC presence and APS diagnoses: A single center study.
Clinica chimica acta; international journal of clinical chemistry
2024 Volume 554, Page(s) 117761
Abstract: Background and aims: Several non-criteria (NC) anti-phospholipid antibodies (APLA) have been proposed as candidates for antiphospholipid antibody syndrome (APS) diagnosis. The objectives of this study were 1) to determine the association of five ... ...
Abstract | Background and aims: Several non-criteria (NC) anti-phospholipid antibodies (APLA) have been proposed as candidates for antiphospholipid antibody syndrome (APS) diagnosis. The objectives of this study were 1) to determine the association of five different NC-APLA with positivity for Lupus anti-coagulant (LAC) and the criteria antibodies anti-cardiolipin (aCL) and anti-beta glycoprotein (aB2GPI), and 2) to assess the ability of NC-APLA to predict LAC presence and clinical APS diagnoses. Material and methods: Results from 486 patients tested for LAC and APLA were retrieved. Patients were grouped according to LAC and serology positivity into three groups: Single-positives (SP) for LAC, aCL or aB2GPI; Double-positives for aCL and aB2GPI; Triple-positives (TP) for LAC, aCL and aB2GPI. NC-ALPA titers were compared between LAC-positive and negative and APS and non-APS patients. Results: Forty-two of 486 patients were LAC-positive and 28 were diagnosed with APS. All criteria and NC-APLA titers were significantly higher in TP than SP patients. ROC analyses based on LAC status showed highest area under the curve (AUC, 95% CI) for aPS/PT IgG (0.75, 0.65-0.85) and aPS/PT IgM (0.73, 0.63-0.82). Based on APS diagnosis, aPS/PT IgM achieved highest AUC (0.87; 0.79-0.95). Conclusion: Anti-phosphatidyl-serine/prothrombin (aPS/PT) antibodies are superior predictors of LAC presence and APS diagnoses. |
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MeSH term(s) | Humans ; Antiphospholipid Syndrome ; Prothrombin ; Phosphatidylserines ; Antibodies, Antiphospholipid ; Antibodies, Anticardiolipin ; Immunoglobulin M ; Serine ; Lupus Coagulation Inhibitor |
Chemical Substances | Prothrombin (9001-26-7) ; Phosphatidylserines ; Antibodies, Antiphospholipid ; Antibodies, Anticardiolipin ; Immunoglobulin M ; Serine (452VLY9402) ; Lupus Coagulation Inhibitor |
Language | English |
Publishing date | 2024-01-07 |
Publishing country | Netherlands |
Document type | Journal Article |
ZDB-ID | 80228-1 |
ISSN | 1873-3492 ; 0009-8981 |
ISSN (online) | 1873-3492 |
ISSN | 0009-8981 |
DOI | 10.1016/j.cca.2024.117761 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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