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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004788naa a2200697 4500
001oai:gup.ub.gu.se/279113
003SwePub
008240910s1994 | |||||||||||000 ||eng|
024a https://gup.ub.gu.se/publication/2791132 URI
040 a (SwePub)gu
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Simark-Mattsson, Charlotte,d 1955u Gothenburg University,Göteborgs universitet,Odontologiska institutionen, Avdelningen för endodonti med oral diagnostik,Institute of Odontology, Department of Endodontology/Oral Diagnosis4 aut0 (Swepub:gu)xsimch
2451 0a T cell receptor V-gene usage in oral lichen planus; increased frequency of T cell receptors expressing V alpha 2 and V beta 3.
264 1c 1994
520 a In order to analyse the clonality of T cells in the inflammatory infiltrate of oral lichen planus (OLP), mucosal biopsies were obtained from seven patients with manifest disease. The biopsies were stained with MoAbs directed against 11 different T cell receptor (TCR) V-gene families, anti-CD4, anti-CD8 and IL-2 receptor (IL-2R). For comparison, the frequencies of the different TCR V-families were determined in biopsies from five patients with oral candidosis as well as in peripheral blood from three patients with OLP and from six healthy blood donors (HBD). The occurrence of the investigated TCR V-families varied between 0% and 7% in venous blood obtained from both HBD and OLP patients. T lymphocytes expressing the TCR V beta 3 and V alpha 2 in OLP biopsies were, however, detected in frequencies ranging between 18% and 40% of the total fraction of lymphocytes, a consistent finding for all the OLP infiltrates studied. The other nine TCR V-families examined appeared in low frequencies both in biopsies and in peripheral blood. V alpha 2+ and V beta 3+ cells were often localized adjacent to the basal membrane. In contrast, T cells in Candida-induced lesions did not express a biased TCR distribution, and most V-families studied appeared in frequencies of 0-6%. Thus, T lymphocytes in OLP lesions express a substantially higher frequency of TCR V alpha 2 and V beta 3 than expected from the distribution in blood. The clonal expansion of T cells observed in OLP suggests that a superantigen is involved in the pathogenesis of the disease. Whether this superantigen is of exogenous or endogenous origin needs to be investigated.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Klinisk medicin0 (SwePub)3022 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Clinical Medicine0 (SwePub)3022 hsv//eng
653 a Adult
653 a Aged
653 a Aged
653 a 80 and over
653 a Biopsy
653 a CD4 Antigens
653 a analysis
653 a CD4-CD8 Ratio
653 a CD8 Antigens
653 a analysis
653 a Candidiasis
653 a Oral
653 a pathology
653 a Female
653 a Humans
653 a Immunohistochemistry
653 a Lichen Planus
653 a Oral
653 a blood
653 a pathology
653 a Lymphocytes
653 a physiology
653 a Male
653 a Middle Aged
653 a Receptors
653 a Antigen
653 a T-Cell
653 a alpha-beta
653 a analysis
653 a genetics
653 a metabolism
653 a Receptors
653 a Interleukin-2
653 a analysis
700a Bergenholtz, Gunnar,d 1939u Gothenburg University,Göteborgs universitet,Odontologiska institutionen, Avdelningen för endodonti med oral diagnostik,Institute of Odontology, Department of Endodontology/Oral Diagnosis4 aut0 (Swepub:gu)xbgunl
700a Jontell, Mats,d 1951u Gothenburg University,Göteborgs universitet,Odontologiska institutionen, Avdelningen för endodonti med oral diagnostik,Institute of Odontology, Department of Endodontology/Oral Diagnosis4 aut0 (Swepub:gu)xjonma
700a Tarkowski, Andrej,d 1951u Gothenburg University,Göteborgs universitet,Institutionen för invärtesmedicin, Avdelningen för reumatologi och inflammationsforskning,Institute of Internal Medicine, Dept of Rheumatology and Inflammation Research4 aut0 (Swepub:gu)xtaand
700a Dahlgren, Ulf,d 1953u Gothenburg University,Göteborgs universitet,Odontologiska institutionen, Avdelningen för endodonti med oral diagnostik,Institute of Odontology, Department of Endodontology/Oral Diagnosis4 aut0 (Swepub:gu)xdahlu
710a Göteborgs universitetb Odontologiska institutionen, Avdelningen för endodonti med oral diagnostik4 org
773t Clinical and experimental immunologyg 98:3, s. 503-7q 98:3<503-7x 0009-9104
8564 8u https://gup.ub.gu.se/publication/279113

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