Search PubMed⌕ Search

Biomedical subjects

U F Haustein

Publications and source records attributed to U F Haustein.

At least 235 records · Page 13Linked to original sources
PubMed1981

[Rosette forming B- and T-lymphocytes in allergic contact eczema (author's transl)].

The number of rosette forming lymphocytes with mouse and sheep red blood cells was examined in the time course of more localized (n = 16) and generalized (n = 12) allergic contact eczema. 1. In 25 healthy probands the mean number of B and T lymphocytes were 10 +/- 2.1% and 51 +/- 4.9%, respectively. 2. In generalized eczema a short significant increase of the number of both lymphocyte populations was observed. At the first day of examination 12 +/- 1.6% (p less than or equal to 1%) B and 59.1 +/- 5% (p less than or equal to 0.1%) T lymphocytes were counted. At the second day only the number of T lymphocytes (55 +/- 4.8%; p less than or equal to 5%) was increased, at the third day the number of T lymphocytes had normalized, too. 3. In the more localized eczema no changes in the number of lymphocytes could be found.

Animals↗
PubMed1981

[Alpha 1-antitrypsin: production and binding of in vitro stimulated peripheral blood lymphocytes].

Three day cultures of human peripheral blood lymphocytes (PBL) contain significant numbers of lymphoblasts binding 125I-alpha 1-AT as well as those with membrane-associated alpha 1-AT detectable by immunofluorescence. Co-cultivation of PBL with T cell mitogens leads to the appearance of lymphoblasts with membrane-associated alpha 1-AT while B cell mitogens induce lymphoblasts with a binding capacity for 125I-alpha 1-AT. It could be shown that unstimulated lymphocytes neither have membrane-associated alpha 1-AT nor possess a binding capacity for it. The highest number of lymphoblasts with membrane-associated alpha 1-AT was found in Con A stimulated cultures as revealed by indirect immunofluorescence. By contrast, PHA or PPD stimulated cultures contained much less such cells of lower fluorescence intensity. Co-cultivation of PBL with the B cell mitogens LPS and rabbit-anti-human gammaglobulin-IgG-F(ab')2 induced lymphoblasts with a clear binding capacity for 125I-alpha 1-AT, while dextran-sulphate had no effect. A possible regulative role of alpha 1-AT in the immune response is discussed.

Humans↗
PubMed1980

Detection of basement membrane zone antigens and C3 fragments in the blister fluid of bullous pemphigoid.

In polyacrylamide gel gradient electrophoresis, serum and blister fluid of patients with bullous pemphigoid showed a nearly identical protein distribution pattern except for one more concentrated fraction in the blister fluid. This fraction could be isolated by several gel chromatographic steps and then be characterized as a protein with a molecular weight of 240,000 (BFP 240,000) consisting of several subunits. Two of these subunits could be identified as C3 fragments and two other ones as basement membrane zone antigens (BMZ-Ag) by means of a modified Laurell technique. The molecular weight of the BFP 240,000 may be small enough to allow it to penetrate through the vessel wall into the blood circulation where, with the BMZ-antibodies (BMZ-Ag-BMZ-Ab-complexes can be formed. The occurrence of such immune complexes in the serum has been shown in a previous paper.

Antigens↗
PubMed1980

[Separation of lymphocytes by using visotrast 370 (author's transl)].

Enrichments of lymphocytes are mainly performed according to the flotation principle. By means of numerous differences with regard to the composition and density of the solution for separation, the relative acelleration and duration of the centrifugation the advantages and disadvantages of at least 7 methods were compared with our own modification: 1. Visotrast 370 diluted with Aqua dest. is equal to density gradients containing ficoll. 2. The one-step assays proved to be better and less time consuming than the combined methods. 3. With the density of the flotation medium of 1,076 g . cm-3 79 +/- 11% of the lymphocyte of the original blood were isolated, their purity was 93 +/- 3%, their vitality 91 +/- 4%. 4. There was slight contamination with other blood cells.

Acetrizoic Acid↗