[Autoantibodies in arteriosclerosi and endangiitis obliterans]

10 of 14 patients with obliterating endangiitis and 2 of 17 patients with obliterating arteriosclerosis had in the serum immunoflorescence-optically provable low titre antibodies against different constituents of smooth musculature (once cross-reacting with transverse and cross striation of the myocardium). Further antibodiies against brush border of proximal renal tubuli, parietal cells, cardiac sarcolemma, cytoplasm of the liver and distal renal tubuli were found. Antibodies against nuclear material, skeletal musculature, further typical antibodies against mitochondria, ribosomes and membranes of the endoplasmatic reticulum as well as so-called pemphigus and pemphigoid antibodies could not be proved. The proof of low titre antibodies against constituents of smooth musculature is in this case regarded as an unspecific marker of an (often) viral inflammation.