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Results for “CARDIOLIPIN”

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PubMed1991

[Anti-cardiolipin antibody and renal microthrombi in lupus nephritis].

To evaluate the relationship between anticardiolipin (ACL) antibody and microthrombi in renal tissue, we examined sera and renal biopsies from 47 patients of systemic lupus erythematosus (SLE) with lupus nephritis (LN). ACL antibody was measured by an enzyme-linked immunosorbent assay (ELISA). Their renal tissues were examined for histological types of lupus nephritis according to the WHO classification and appearance of renal microthrombi. Positive ACL had been shown in 28 of 47 patients (60%) with LN and in 15 of 18 patients (83%) with WHO IV (diffuse proliferative LN: DPLN). Incidences of renal microthrombi were significantly higher in patients with DPLN (61%) than in patients with all LN (34%) (p less than 0.01). The prevalence of renal thrombosis in patients with ACL (46%) was significantly higher than without ACL (16%) (p less than 0.05). Incidence of positive ACL was 81% in the cases with renal microthrombi and 48% in the cases without them. These findings suggest that there is strong association between ACL and the renal microthrombi in active LN.

Autoantibodies↗
PubMed1991

[Anti-cardiolipin antibody in cerebral infarction].

A 28 year old woman with a previous history of labile hypertension, migraine and transitory cerebral ischemia was admitted with cerebral infarction. One month later she developed livedo reticularis and amaurosis fugax, which led to the diagnosis of Sneddon's disease (livedo reticularis, labile hypertension and neurological symptoms) and the anticardiolipin antibody (ACA) syndrome. Treatment with prednisone and phenprocoumon resulted in lowering of ACA-titers, but the symptoms did not subside until acetylsalicylic acid was added.

Adult↗
PubMedDate not supplied

[Anti-cardiolipin antibodies and other immunological disorders in patients with systemic scleroderma].

A total of 104 patients with scleroderma were examined. Anticardiolipin antibodies were detected in 37.5 per cent of the patients with systemic scleroderma and in 3 per cent of healthy individuals; they were more often detected in 46.8 per cent of the patients with diffuse affections of the skin, atherosclerosis, Raynaud's syndrome accompanied by ulcero-necrotic affections of the skin as compared to patients with restricted affections of the skin (sclerodactylia and focal scleroderma)--29.8 per cent. No significant changes in the frequency of detecting a rheumatic factor, antibodies to Scl-70 were revealed in subgroups of patients with scleroderma, positive and negative anticardiolipin antibodies. Of the greatest interest is a significant difference in levels of C-reactive protein which were high in half of the patients with anticardiolipin antibodies. Anticentromere antibodies were detected twice as more often in patients without anticardiolipin antibodies that corresponded to systemic sclerodermia with minimum involvement of the skin into the pathological process. It is suggested that ulcero-necrotic affection of the skin in systemic sclerodermia is associated with C-reactive protein but it is not of an immunocomplex nature.

Autoantibodies↗
PubMed1990

[Why are there anti-cardiolipin antibodies in patients with infectious mononucleosis and in patients with systemic lupus erythematosus?].

The phenomenon of anticardiolipin antibodies (aCL) is in recent years the subject of interest as it is connected with manifestations of thromboses at different sites, with repeated miscarriages in pregnant women and with thrombocytopenia. As compared with the original finding in patients with systemic lupus erythematosus (SLE), the authors find they are present also in infection with the Epstein-Barr virus--in patients with acute infectious mononucleosis, in as many as 61% of a total number of 77 examined patients; in a group of 60 patients with SLE in 41% and in a group of healthy controls in 3.9%. aCL differ, however, as regards the distribution of isotypes--aCL of class IgM are found mainly in infectious mononucleosis, class IgG in patients with SLE. The authors discuss problems associated with the development and practical importance of these antibodies.

Adolescent↗
PubMed1989

[Latent autoantibodies to cardiolipin in the blood serum of healthy subjects].

Pooled health blood donors' sera were fractionated by gel filtration and/or ion exchange chromatography on strong anion-exchanger. Measurement of anticardiolipin antibodies levels by ELISA method shows that gel filtration at pH 4.05 and 9.2 (complex-degradation conditions) leads to increase in summary levels while after elution at neutral pH such an effect did not appear. Light increasing of anticardiolipin levels was also noted after fractionation on QAE-Sephadex. Data obtained state that anticardiolipin autoantibodies amount in sera is greater than it can be detected by direct measurement in untreated serum samples. Existence of "hidden" anticardiolipin autoantibodies supposes the hypothesis about alternative way of humoral immunity regulation by blocking anti-self antigens activities with serum biopolymers.

Antibody Formation↗