Biomedical subjects
Publications and source records attributed to F R Caranzan.
The presence of antibodies to bovine and human collagens used in injectable collagen implants (ICI) was investigated in 103 normal sera. Significant levels of spontaneous nonprecipitin antibodies were observed, suggesting that immunization to ICI compounds may preexist even in the absence of connective tissue disease.
Peripheral lymphocyte subsets were analyzed before and after treatment in 22 patients with psoriasis. All patients had PUVA therapy for at least 1 month. Eight of them were assessed after 1 and 2 months of therapy. Abnormal partitions of T-cell subsets were observed in 10 patients before treatment. Positive dermatological results were concomitant with a significant decrease of the CD8 subset. Variations of the Leu7+ subset were observed as well. These data support current theories on the effect of UV light on the immune system and provide a possible useful way to monitor psoriatic patients receiving PUVA therapy.
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