Johnston A - Search Results

1

Differential effects of interleukin 12 and interleukin 10 on superantigen-induced expression of cutaneous lymphocyte-associated antigen (CLA) and alphaEbeta7 integrin (CD103) by CD8+ T cells.

Sigmundsdóttir H, Johnston A, Gudjónsson JE, Valdimarsson H. Sigmundsdóttir H, et al. Among authors: johnston a. Clin Immunol. 2004 Apr;111(1):119-25. doi: 10.1016/j.clim.2004.01.003. Clin Immunol. 2004. PMID: 15093560

2

Methotrexate markedly reduces the expression of vascular E-selectin, cutaneous lymphocyte-associated antigen and the numbers of mononuclear leucocytes in psoriatic skin.

Sigmundsdottir H, Johnston A, Gudjonsson JE, Bjarnason B, Valdimarsson H. Sigmundsdottir H, et al. Among authors: johnston a. Exp Dermatol. 2004 Jul;13(7):426-34. doi: 10.1111/j.0906-6705.2004.00177.x. Exp Dermatol. 2004. PMID: 15217363

3

The anti-inflammatory action of methotrexate is not mediated by lymphocyte apoptosis, but by the suppression of activation and adhesion molecules.

Johnston A, Gudjonsson JE, Sigmundsdottir H, Ludviksson BR, Valdimarsson H. Johnston A, et al. Clin Immunol. 2005 Feb;114(2):154-63. doi: 10.1016/j.clim.2004.09.001. Clin Immunol. 2005. PMID: 15639649

4

Narrowband-UVB irradiation decreases the production of pro-inflammatory cytokines by stimulated T cells.

Sigmundsdottir H, Johnston A, Gudjonsson JE, Valdimarsson H. Sigmundsdottir H, et al. Among authors: johnston a. Arch Dermatol Res. 2005 Jul;297(1):39-42. doi: 10.1007/s00403-005-0565-9. Epub 2005 May 12. Arch Dermatol Res. 2005. PMID: 15889264

5

Psoriasis--as an autoimmune disease caused by molecular mimicry.

Valdimarsson H, Thorleifsdottir RH, Sigurdardottir SL, Gudjonsson JE, Johnston A. Valdimarsson H, et al. Among authors: johnston a. Trends Immunol. 2009 Oct;30(10):494-501. doi: 10.1016/j.it.2009.07.008. Epub 2009 Sep 24. Trends Immunol. 2009. PMID: 19781993 Review.

6

Immunopathogenic mechanisms in psoriasis.

Gudjonsson JE, Johnston A, Sigmundsdottir H, Valdimarsson H. Gudjonsson JE, et al. Among authors: johnston a. Clin Exp Immunol. 2004 Jan;135(1):1-8. doi: 10.1111/j.1365-2249.2004.02310.x. Clin Exp Immunol. 2004. PMID: 14678257 Free PMC article. Review.

7

Peripheral blood T cell responses to keratin peptides that share sequences with streptococcal M proteins are largely restricted to skin-homing CD8(+) T cells.

Johnston A, Gudjonsson JE, Sigmundsdottir H, Love TJ, Valdimarsson H. Johnston A, et al. Clin Exp Immunol. 2004 Oct;138(1):83-93. doi: 10.1111/j.1365-2249.2004.00600.x. Clin Exp Immunol. 2004. PMID: 15373909 Free PMC article.

8

The anti-microbial peptide LL-37 modulates immune responses in the palatine tonsils where it is exclusively expressed by neutrophils and a subset of dendritic cells.

Sigurdardottir SL, Thorleifsdottir RH, Guzman AM, Gudmundsson GH, Valdimarsson H, Johnston A. Sigurdardottir SL, et al. Among authors: johnston a. Clin Immunol. 2012 Feb;142(2):139-49. doi: 10.1016/j.clim.2011.09.013. Epub 2011 Oct 7. Clin Immunol. 2012. PMID: 22036268

9

Improvement of psoriasis after tonsillectomy is associated with a decrease in the frequency of circulating T cells that recognize streptococcal determinants and homologous skin determinants.

Thorleifsdottir RH, Sigurdardottir SL, Sigurgeirsson B, Olafsson JH, Sigurdsson MI, Petersen H, Arnadottir S, Gudjonsson JE, Johnston A, Valdimarsson H. Thorleifsdottir RH, et al. Among authors: johnston a. J Immunol. 2012 May 15;188(10):5160-5. doi: 10.4049/jimmunol.1102834. Epub 2012 Apr 9. J Immunol. 2012. PMID: 22491250 Clinical Trial.

10

The association of sore throat and psoriasis might be explained by histologically distinctive tonsils and increased expression of skin-homing molecules by tonsil T cells.

Sigurdardottir SL, Thorleifsdottir RH, Valdimarsson H, Johnston A. Sigurdardottir SL, et al. Among authors: johnston a. Clin Exp Immunol. 2013 Oct;174(1):139-51. doi: 10.1111/cei.12153. Clin Exp Immunol. 2013. PMID: 23750651 Free PMC article.

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