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To test and optimize photodynamic therapy of early cancers in the upper aero-digestive tract and oesophagus, we sought an appropriate animal model, which was found in the 7,12-dimethylbenz[a]anthracene-induced early squamous cell carcinoma in the Golden Syrian hamster. This chemically induced neoplasm is shown, by histology and immunohistochemistry, to pass(More)
The influence of the time interval between dye administration and detection by fluorescence microscopy was assessed in "early" squamous cell carcinomas of the cheek pouch mucosa and different healthy tissues of the Syrian hamster. Following intracardiac injection of 0.15 mg (kg bodyweight)-1 of meso-tetra-hydroxyphenylchlorin (m-THPC), groups of three(More)
AIM To develop a new, simple, and cheap method for estimating antioxidant activity in human fluids. METHODS The assay measured the capacity of the biological fluids to inhibit the production of thiobarbituric acid reactive substances (TBARS) from sodium benzoate under the influence of the free oxygen radicals derived from Fenton's reaction. A solution of(More)
Chronic infections may mimic antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV). We investigated which markers may help in the diagnosis and the prognosis of infections associated with proteinase 3 (PR3) and myeloperoxidase (MPO)-ANCA. In this study (1993-2008)--with an average follow-up of 5.1 years--we compared 66 AAV patients with(More)
BACKGROUND Decreased activity of serum desoxyribonuclease I (DNase I) in systemic lupus erythematosus (SLE) has been reported, but its role as a biomarker in SLE is still unelucidated. METHODS Seventy-seven SLE patients (aged 39.6 ± 13.1 years) were studied for serum DNase I activity, levels of antinuclear (ANA), anti-dsDNA [high-avidity ELISA,(More)
In a mode of nude mice bearing a human colon carcinoma xenograft, the biodistribution and tumor localization of metatetrahydroxyphenylchlorin (m-THPC) coupled to polyethylene glycol (PEG) were compared with those of the free form of this photosensitizer used in photodynamic therapy (PDT). At different times after i.v. injection of both forms of 125I-labeled(More)
We present a 43-year-old woman with relapsing-remitting multiple sclerosis (MS) who developed lupus syndrome after 32 months of IFN-beta-1a therapy. She presented with malaise, myalgia, arthralgia and fever. Laboratory tests showed high erythrocyte sedimentation rate, anaemia and lymphopenia. Antibodies to double stranded DNA (dsDNA) of IgG, IgM and IgA(More)
OBJECTIVE The link between specific antibodies and atherogenesis in primary antiphospholipid syndrome (PAPS) is less strong than for thrombosis, although clearly the two processes are related and thrombosis is the main complication of atherosclerosis, a process known as atherothrombosis. The aim of this study was to investigate the influence of serum lipid(More)
Clinical and serological profiles of idiopathic and drug-induced autoimmune diseases can be very similar. We compared data from idiopathic and antithyroid drug (ATD)-induced antineutrophil cytoplasmic antibody (ANCA)-positive patients. From 1993 to 2003, 2474 patients were tested for ANCA in the Laboratory for Allergy and Clinical Immunology in Belgrade.(More)
The most important mitotic apparatus (MA) antigens are centrosome (CE), nuclear mitotic apparatus (NuMA-1, NuMA-2), midbody, and centromere F (CENP-F). We studied associations of anti-MA antibodies with other autoantibodies and their clinical significance. A total of 6270 patients were studied for the presence of anti-MA antibodies on HEp-2 cells. Sera(More)