Immunodeficiency and skin. Why skin?
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Biomedical subjects
Publications and source records attributed to K Holubar.
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Parapsoriasis is not a disease entity. It is an auxiliary term introduced in 1902 to group several dermatoses with a faint similarity to psoriasis. The historical development leading to the creation of the term parapsoriasis is outlined and the history of psoriasis is briefly reviewed.
The personality and life work of Sahachiro Hata are reviewed and appraised on the occasion of the fiftieth anniversary of his death on November 22nd 1988.
On occasion of the centenary of the death of Paul Langerhans on July 20th 1988, his life and career are reviewed and the importance of his discoveries is re-emphasized.
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Pemphigus vulgaris in Israeli Ashkenazi and non-Ashkenazi Jews and in Austrian non-Jewish patients is strongly associated with the DR4 and DRw6 alleles of the HLA-D region class II genes. Restriction fragment length polymorphism analysis was undertaken with DQ beta, DQ alpha, and DR beta cDNA probes. Hybridization with the DQ beta probe identifies Pvu II, BamHI, and EcoRV fragments that absolutely discriminate pemphigus vulgaris patients from healthy DR-, DQ-, and ethnic-matched controls. In contrast the DQ alpha and DR beta probes failed to identify disease-specific restriction fragment length polymorphism fragments. These studies indicate that DQw1 and DQw3 polymorphisms carried by pemphigus vulgaris patients may be directly involved in predisposition to the disease or may be tightly linked to the susceptibility gene itself. To our knowledge, this is the first example of an HLA restriction fragment length polymorphism that is highly associated with susceptibility to autoimmune disease.
Pilot measurements were made of natural UV radiation (UVA and UVB, broad-band and erythemogenic) on the Dead Sea (400 m below sea level) and in Spain at sea level, both at approximately the same geographical latitude. Measurements were made at different times of single days during the 1985/1986 season. The preponderance of UVA over UVB was more pronounced in winter.
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