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Heidemeyer K, May Lee M, Cazzaniga S, Yawalkar N, Naldi L. Palmoplantar Pustulosis: A Systematic Review of Risk Factors and Therapies. PSORIASIS (AUCKLAND, N.Z.) 2023; 13:33-58. [PMID: 37772169 PMCID: PMC10522454 DOI: 10.2147/ptt.s400402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 09/16/2023] [Indexed: 09/30/2023]
Abstract
Palmoplantar pustulosis (PPP) is a chronic, relapsing, inflammatory disease that can occur alone or in association with arthritis. There is still controversy about whether it should be separated from psoriasis or classified as pustular psoriasis. Furthermore, drug-induced paradoxical PPP is a special variant of PPP that differs from classic PPP in several ways. Treatment of PPP is still challenging, and there are a number of treatment-resistant cases. This review summarizes the risk factors for the development of PPP and the currently available treatment modalities. Female sex, smokers or ex-smokers, obesity, thyroid dysfunction, and treatment with a tumor necrosis factor (TNF)-α inhibitor have been identified as risk factors for the disease's development, severity, and course. Topical treatments and phototherapy are effective for some patients and are used as a first-line or adjuvant treatment modality. Conventional treatments including retinoids and fumaric acid show good effects and can increase the efficacy of treatment with psoralen + ultraviolet light therapy (PUVA). Ciclosporin is fast acting, but relapse mostly occurs immediately after cessation. TNF-α inhibitors are efficient, and an even better response can be achieved with IL-17 and IL-23 blockers as well as apremilast. The effect of Janus kinase inhibitors seems to be promising according to case reports, but further investigations with larger cohorts are needed.
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Affiliation(s)
- Kristine Heidemeyer
- Department of Dermatology, Inselspital University Hospital of Bern, Bern, Switzerland
- Centro Studi GISED, Bergamo, Italy
| | - Marco May Lee
- Section of Dermatology, Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Simone Cazzaniga
- Department of Dermatology, Inselspital University Hospital of Bern, Bern, Switzerland
- Centro Studi GISED, Bergamo, Italy
| | - Nikhil Yawalkar
- Department of Dermatology, Inselspital University Hospital of Bern, Bern, Switzerland
| | - Luigi Naldi
- Centro Studi GISED, Bergamo, Italy
- Dermatology Department, S. Bortolo Hospital, Vicenza, Italy
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Bissonnette R, Suárez-Fariñas M, Li X, Bonifacio KM, Brodmerkel C, Fuentes-Duculan J, Krueger JG. Based on Molecular Profiling of Gene Expression, Palmoplantar Pustulosis and Palmoplantar Pustular Psoriasis Are Highly Related Diseases that Appear to Be Distinct from Psoriasis Vulgaris. PLoS One 2016; 11:e0155215. [PMID: 27152848 PMCID: PMC4859542 DOI: 10.1371/journal.pone.0155215] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 04/26/2016] [Indexed: 12/22/2022] Open
Abstract
Introduction There is a controversy surrounding the existence of palmoplantar pustulosis (PPP) and palmoplantar pustular psoriasis (PPPP) as separate clinical entities or as variants of the same clinical entity. We used gene expression microarray to compare gene expression in PPP and PPPP. Methodology/Principal findings Skin biopsies from subjects with PPP (3), PPPP (6), psoriasis vulgaris (10) and acral skin from normal subjects (7) were analyzed using gene expression microarray. Principal component analysis showed that PPP and PPPP were different from psoriasis vulgaris and normal acral skin. However gene expression of PPP and PPPP clustered together and could not be used to differentiate PPP from PPPP. Gene-wise comparison between PPP and PPPP found no gene to be differentially expressed at a false discovery rate lower than 0.05. Surprisingly we found a higher expression of several genes involved in neural pathways (e.g. GPRIN and ADAM23) in PPP/PPPP as compared to psoriasis vulgaris and normal acral skin. Immunohistochemistry confirmed those findings and showed a keratinocyte localization for those proteins. Conclusion significance PPP and PPPP could not be differentiated using gene expression microarray suggesting that they are not distinct clinical entities. Increased expression of GPRIN1, and ADAM23 in keratinocytes suggests that these proteins could be new therapeutic targets for PPP/PPPP.
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Affiliation(s)
| | - Mayte Suárez-Fariñas
- Laboratory of Investigative Dermatology, Rockefeller University, New York, New York, United States of America
| | - Xuan Li
- Laboratory of Investigative Dermatology, Rockefeller University, New York, New York, United States of America
| | - Kathleen M. Bonifacio
- Laboratory of Investigative Dermatology, Rockefeller University, New York, New York, United States of America
| | - Carrie Brodmerkel
- Janssen Research & Development, LLC, Spring House, Pennsylvania, United States of America
| | - Judilyn Fuentes-Duculan
- Laboratory of Investigative Dermatology, Rockefeller University, New York, New York, United States of America
| | - James G. Krueger
- Laboratory of Investigative Dermatology, Rockefeller University, New York, New York, United States of America
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Razera F, Olm GS, Bonamigo RR. Dermatoses neutrofílicas: parte II. An Bras Dermatol 2011; 86:195-209; quiz 210-1. [DOI: 10.1590/s0365-05962011000200001] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2010] [Indexed: 11/22/2022] Open
Abstract
Neste artigo são abordadas as dermatoses neutrofílicas, complementando o artigo anterior (parte I). São apresentadas e comentadas as seguintes dermatoses: pustulose subcórnea de Sneddon-Wilkinson, dermatite crural pustulosa e atrófica, pustulose exantemática generalizada aguda, acroder matite contínua de Hallopeau, pustulose palmoplantar, acropustulose infantil, bacteride pustular de Andrews e foliculite pustulosa eosinofílica. Uma breve revisão das dermatoses neutrofílicas em pacientes pediátricos também é realizada.
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Affiliation(s)
- Fernanda Razera
- Universidade Federal de Ciências da Saúde de Porto Alegre; Universidade Federal de Ciências da Saúde de Porto Alegre; Hospital Mãe de Deus, Brasil
| | - Gislaine Silveira Olm
- Hospital Mãe de Deus, Brasil; Universidade Federal de Ciências da Saúde de Porto Alegre, Brasil
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Yoshizaki T, Bandoh N, Ueda S, Nozawa H, Goto T, Kishibe K, Takahara M, Harabuchi Y. Up-regulation of CC chemokine receptor 6 on tonsillar T cells and its induction by in vitro stimulation with alpha-streptococci in patients with pustulosis palmaris et plantaris. Clin Exp Immunol 2009; 157:71-82. [PMID: 19659772 DOI: 10.1111/j.1365-2249.2009.03945.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Pustulosis palmaris et plantaris (PPP) is a tonsil-related disease; tonsillectomy is somewhat effective in treating the condition. However, the aetiological association between the tonsils and PPP has not yet been elucidated fully. Recently, some chemokines and chemokine receptors, including CC chemokine receptor (CCR) 4, CCR6 and CX chemokine receptor (CXCR) 3, have been reported to play important roles in the development of psoriasis, a disease related closely to PPP. In this study, we found that CCR6 expression on both tonsillar and peripheral blood T cells was up-regulated more intensively in PPP patients than in non-PPP patients (P < 0.001 for both), but CCR4 and CXCR3 expressions were not. In vitro stimulation with alpha-streptococcal antigen enhanced CCR6 expression significantly on tonsillar T cells in PPP patients (P < 0.05), but this was not observed in non-PPP patients. The chemotactic response of tonsillar T cells to the CCR6 ligand CC chemokine ligand (CCL) 20 was significantly higher in PPP patients than in non-PPP patients (P < 0.05). The percentage of CCR6-positive peripheral blood T cells decreased after tonsillectomy in PPP patients (P < 0.01); this decrease correlated with an improvement of skin lesions (P < 0.05, r = -0.63). The numbers of CCR6-positive cells and the expression of CCL20 were increased significantly in pathological lesions compared with non-pathological lesions in PPP skin (P < 0.01, P < 0.05 respectively). These results suggest that a novel immune response to alpha-streptococci may enhance CCR6 expression on T cells in tonsils and that CCR6-positive T cells may move to peripheral blood circulation, resulting in recruitment to target skin lesions expressing CCL20 in PPP patients. This may be one of the key roles in pathogenesis of the tonsil-related disease PPP.
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Affiliation(s)
- T Yoshizaki
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical College, Asahikawa, Hokkaido, Japan
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Kingo K, Mössner R, Kõks S, Rätsep R, Krüger U, Vasar E, Reich K, Silm H. Association analysis of IL19, IL20 and IL24 genes in palmoplantar pustulosis. Br J Dermatol 2007; 156:646-52. [PMID: 17263806 DOI: 10.1111/j.1365-2133.2006.07731.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Interleukin (IL) 19, IL-20 and IL-24 belong to the IL-10 cytokine family and have been identified to play a role in the regulation of epidermal functions and in inflammation. The genes encoding IL-19, IL-20 and IL-24 are located within a gene cluster on chromosome 1q31-32 and carry frequent genetic variations. OBJECTIVES This study investigated whether variations in the IL19, IL20 and IL24 genes that have previously been associated with plaque-type psoriasis may also play a role in palmoplantar pustulosis (PPP). PATIENTS Fifteen polymorphisms were analysed in 43 patients with PPP and in 149 healthy control subjects. RESULTS The rare allele of IL20 1380 A-->G (rs2981573) was less frequent in patients with PPP compared with healthy controls (OR 1 x 95, 95% CI 1 x 00-3 x 79). Haplotype analyses of IL19 and IL20 suggested an increased risk for PPP associated with IL20 haplotype GAA (OR 2 x 39, 95% CI 1 x 17-4 x 86) and a reduced risk for PPP associated both with IL19 haplotype GATGATA (OR 0 x 41, 95% CI 0 x 16-1 x 05) and IL20 haplotype GGG (OR 0 x 48, 95% CI 0 x 23-0 x 98). Extended haplotype analysis revealed an association of IL19/IL20 haplotype GACACCGGAA with a higher risk for PPP (OR 2 x 31, 95% CI 1 x 05-5 x 10) and of IL20/IL24 haplotype CAAAC with a reduced risk for PPP (OR 0 x 12, 95% CI 0 x 02-0 x 82). CONCLUSIONS This exploratory study supports the hypothesis that variations of genes of the IL-19 subfamily of cytokines influence susceptibility to PPP. However, due to the limited size of the study samples, this current concept should be considered as preliminary and the results need to be confirmed in future independent studies.
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Affiliation(s)
- K Kingo
- Department of Dermatology and Venereology, University of Tartu, Tartu, Estonia
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Nozawa H, Kishibe K, Takahara M, Harabuchi Y. Expression of cutaneous lymphocyte-associated antigen (CLA) in tonsillar T-cells and its induction by in vitro stimulation with alpha-streptococci in patients with pustulosis palmaris et plantaris (PPP). Clin Immunol 2005; 116:42-53. [PMID: 15925831 DOI: 10.1016/j.clim.2005.01.009] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2004] [Revised: 11/20/2004] [Accepted: 01/12/2005] [Indexed: 11/22/2022]
Abstract
Pustulosis palmaris et plantaris (PPP) is known to be a one of the tonsil-related diseases because tonsillectomy is quite effective in curing this condition. However etiological association between tonsils and PPP have not fully clarified yet. Cutaneous lymphocyte-associated antigen (CLA) is known to be a specific homing receptor that facilitates T-cell migration into skin. In this study, we investigated the expression of CLA on T-cells in tonsil, peripheral blood, and skin from patients with PPP. Two-color flow cytometric and two-color immunohistological analyses revealed that the numbers of CLA/CD3 double-positive cells in freshly isolated tonsillar mononuclear cells (TMC) and in tonsillar tissues were significantly higher in patients with PPP than in patients without PPP (P<0.01, each). In vitro stimulus with alpha-streptococcal antigens enhanced CLA expression of tonsillar T-cells and TGF-beta production of TMC in patients with PPP (P<0.01, each), but did not in patients without PPP. In peripheral blood from PPP patients, the number of the CLA/CD3 double-positive cells significantly decreased at 6 months after tonsillectomy (P<0.05). The CLA/CD3 double-positive cells and the postcapillary venule that expressed with a ligand of CLA, E-selectin, were found more frequently in the plantar skin from patients with PPP as compared to that from healthy volunteers (P<0.01, each). These data suggest that a novel immune response to alpha-streptococci may enhance CLA expression on tonsillar T-cells through TGF-beta production in patients with PPP, resulting in moving of CLA-positive tonsillar T-cells to skin and tissue damages. This may play a key role in pathogenesis of PPP.
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Affiliation(s)
- Hayabusa Nozawa
- Department of Otolaryngology-Head and Neck Surgery, Asahikawa Medical College, Midorigaoka Higashi 2-1-1-1, Asahikawa, Hokkaido 078-8510, Japan.
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Baeten D, Kruithof E, Van den Bosch F, Van den Bossche N, Herssens A, Mielants H, De Keyser F, Veys EM. Systematic safety follow up in a cohort of 107 patients with spondyloarthropathy treated with infliximab: a new perspective on the role of host defence in the pathogenesis of the disease? Ann Rheum Dis 2003; 62:829-34. [PMID: 12922954 PMCID: PMC1754658 DOI: 10.1136/ard.62.9.829] [Citation(s) in RCA: 131] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Recent studies with infliximab indicate the therapeutic potential of tumour necrosis factor alpha blockade in spondyloarthropathy (SpA). Because defective host defence is implicated in the pathogenesis of SpA, the potential side effects of this treatment due to impact on the antimicrobial defence are a major concern. OBJECTIVE To report systematically the adverse events seen in a large cohort of patients with SpA treated with infliximab, with special attention to bacterial infections. PATIENTS AND METHODS 107 patients with SpA were treated with infliximab for a total of 191.5 patient years. All serious and/or treatment related adverse events were reported. RESULTS Eight severe infections occurred, including two reactivations of tuberculosis and three retropharyngeal abscesses, and six minor infections with clear bacterial focus. One patient developed a spinocellular carcinoma of the skin. No cases of demyelinating disease or lupus-like syndrome were seen. Two patients had an infusion reaction, which, however, did not relapse during the next infusion. Finally, three patients with ankylosing spondylitis developed palmoplantar pustulosis. All patients recovered completely with adequate treatment, and infliximab treatment had to be stopped in only five patients with severe infections. CONCLUSIONS Although the global safety of infliximab in SpA is good compared with previous reports in rheumatoid arthritis and Crohn's disease, the occurrence of infections such as tuberculosis and retropharyngeal abscesses highlights the importance of careful screening and follow up. Focal nasopharyngeal infections and infection related symptoms, possibly induced by streptococci, occurred frequently, suggesting an impairment of specific host defence mechanisms in SpA.
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Affiliation(s)
- D Baeten
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium.
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Niizeki H, Yokoyama M, Inamoto N, Nishikawa T, Naruse T, Inoko H, Hashigucci K. Lack of association of the interleukin-1 receptor antagonist gene with palmoplantar pustulosis in Japanese. EUROPEAN JOURNAL OF IMMUNOGENETICS : OFFICIAL JOURNAL OF THE BRITISH SOCIETY FOR HISTOCOMPATIBILITY AND IMMUNOGENETICS 2003; 30:249-52. [PMID: 12919285 DOI: 10.1046/j.1365-2370.2003.00403.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We analysed a polymorphism of the interleukin (IL)-1 receptor antagonist (IL1RN) gene in 93 Japanese patients with palmoplantar pustulosis (PPP). None of the IL1RN alleles was significantly increased in the patients compared with controls. Because PPP has been reported to be associated with the tumour necrosis factor (TNF) region, we examined the association between the TNF and IL1RN genes. There was a difference in IL1RN*2 positivity between patients with and without the AA genotype of the TNF gene. In contrast, such a difference was not found in controls. These data indicate a possible epistatic effect between TNF and IL1RN linked genes for susceptibility to the pathogenesis of PPP.
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Affiliation(s)
- H Niizeki
- Department of Dermantolgy and Clinical Research Institute, National Tokyo Medical Center, Japan
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Hashigucci K, Niizeki H, Naruse T, Ota M, Inamoto N, Nishikawa T, Inoko H. A clinical feature associated with polymorphisms of the TNF region in Japanese patients with palmoplantar pustulosis. Hum Immunol 2003; 64:530-7. [PMID: 12691703 DOI: 10.1016/s0198-8859(03)00034-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We investigated the association of polymorphisms in the tumor necrosis factor (TNF) microsatellite as well as the promoter region of the TNFA gene and the TNFB gene with palmoplantar pustulosis (PPP). In order to clarify the heterogeneity of this disease, we performed a tonsillar provocation test on 78 patients and divided them into two groups according to the results; provocation positive (PP; n = 38) and provocation negative (PN; n = 40). We found that the phenotype frequency of the TNFB2 allele of the TNFB gene in the PN group was significantly higher than in controls (p = 0.0022, corrected p = 0.0044). There was also a significant increase in the frequency of allele B of the TNFA gene (TNFApB) in the PN group when compared with controls (p = 0.0049, corrected p = 0.025). Although there are no significant differences in the frequency of TNFa microsatellites, the frequency of the TNFd7 allele increased and that of the TNFd4 allele decreased in the PN group. An extended haplotype analysis revealed that the TNFd7-TNFApA-TNFB2 haplotype was more frequent in the PN group, implying that the PN group is associated with a low level of TNF-alpha production. These results indicate that detection of polymorphisms at the TNF locus may be a marker for determination of the heterogeneity of the disease, and that the allelic variation may influence the susceptibility.
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Affiliation(s)
- Kazuhiro Hashigucci
- Department of Otolaryngology (K. H.), Kitasato Institute Hospital, Tokyo, Japan.
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Asumalahti K, Ameen M, Suomela S, Hagforsen E, Michaëlsson G, Evans J, Munro M, Veal C, Allen M, Leman J, David Burden A, Kirby B, Connolly M, Griffiths CEM, Trembath RC, Kere J, Saarialho-Kere U, Barker JNWN. Genetic analysis of PSORS1 distinguishes guttate psoriasis and palmoplantar pustulosis. J Invest Dermatol 2003; 120:627-32. [PMID: 12648227 DOI: 10.1046/j.1523-1747.2003.12094.x] [Citation(s) in RCA: 136] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The PSORS1 locus in the major histocompatibility complex region is the major genetic determinant for psoriasis vulgaris. Within the PSORS1 region reside at least three potential candidate genes for psoriasis susceptibility. Specific allelic variants of the genes HLA-Cw*6, HCR*WWCC, and CDSN*5 are strongly associated with psoriasis vulgaris and are in strong linkage disequilibrium with each other. We have genotyped the three psoriasis vulgaris susceptibility alleles of the PSORS1 locus in two clinical variants of psoriasis (guttate psoriasis and palmoplantar pustulosis) to study whether PSORS1 is also involved in the pathogenesis of these variants. We also asked whether these two clinical subgroups could help us to distinguish the causative gene within the high-risk PSORS1 haplotype. The association of guttate psoriasis with the three PSORS1 susceptibility alleles was similar and even stronger than seen with psoriasis vulgaris. Palmoplantar pustulosis, however, did not show association with any of the three candidate genes at this locus. Finally, no correlation with the age of onset for disease was observed. Our results show conclusively that psoriasis vulgaris and guttate psoriasis have a similar genetic basis for their association to PSORS1, whereas palmoplantar pustulosis appears to be a distinct disorder.
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Affiliation(s)
- Kati Asumalahti
- Department of Medical Genetics, University of Helsinki, Finland
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Niizeki H, Inoko H, Wayne Streilein J. Polymorphisms in the TNF region confer susceptibility to UVB-induced impairment of contact hypersensitivity induction in mice and humans. Methods 2002; 28:46-54. [PMID: 12231187 DOI: 10.1016/s1046-2023(02)00211-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Acute, low-dose ultraviolet B radiation protocols impair induction of contact hypersensitivity (CHS) to highly reactive haptens in some mice and humans (UVB-susceptible) but not others (UVB-resistant). These deleterious effects of ultraviolet radiation appear to be mediated in part by tumour necrosis factor alpha (TNF-alpha), which is released from, or accumulates in, UVB-exposed skin. To test the hypothesis that a polymorphism of the Tnfa locus governs the UVB-S and UVB-R phenotypes, studies have been conducted in genetically disparate strains of mice. Mice carrying the Tnf(d) allele [with precisely 14 (CA) repeats in the promoter region] display the UVB-R phenotype, whereas mice with different Tnf alleles [with (CA) repeats of </>14] display the UVB-S phenotype. Molecular genetic studies of the TNF region of HLA in humans displaying either the UVB-S or UVB-R phenotype reveal a significant increase in the frequencies of TNFa2 in UVB-S individuals (P=0.00032) and of TNFd3 in UVB-R individuals (P=0.012). Moreover, DNA sequencing analyses of five single-nucleotide polymorphisms (SNPs) of the TNF promoter region revealed a significant increase in the frequency of TNF/-863A (P=0.015). We propose that the TNF region dictates susceptibility to the deleterious effects of UVB radiation on the induction of contact hypersensitivity in both mice and humans, and that the UVB-S-promoting polymorphisms significantly promote the risk of sunlight-induced skin cancer in humans.
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Affiliation(s)
- Hironori Niizeki
- Department of Dermatology and Clinical Research Institute, National Tokyo Medical Center, 2-5-1 Higashi-ga-oka, Meguro, Tokyo, Japan.
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Niizeki H, Naruse T, Hecker KH, Taylor JR, Kurimoto I, Shimizu T, Yamasaki Y, Inoko H, Streilein JW. Polymorphisms in the tumor necrosis factor (TNF) genes are associated with susceptibility to effects of ultraviolet-B radiation on induction of contact hypersensitivity. TISSUE ANTIGENS 2001; 58:369-78. [PMID: 11929587 DOI: 10.1034/j.1399-0039.2001.580605.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We investigated the allelic distributions of single nucleotide polymorphisms (SNPs) of the TNFA, TNFB and IKBL genes, 3 microsatellites within the tumor necrosis factor (TNF) region of HLA locus, and the HLA phenotypes as well as the TLR4 gene in Chromosome 9 in 26 healthy Caucasian volunteers. These individuals were also assessed as ultraviolet B (UVB)-susceptible (S) or UVB-resistant (R). Our results identified 12 UVB-S and 14 UVB-R individuals. Attempts to correlate particular HLA-A, -B, -C, and -DR antigens with the UVB phenotypes failed. Similarly, attempts to correlate SNP at the NcoI-RFLP within intron 1 of the TNFB, IKBL and TLR4 gene with UVB phenotypes also failed. However, microsatellite analyses of TNFa, TNFc, and TNFd markers revealed a significant increase in the frequencies of TNFa2 in UVB-S individuals (P=0.00032) and of TNFd3 in UVB-R individuals (P=0.012). Moreover, DNA sequencing analyses of 5 SNPs of the TNFA promoter region revealed a significant increase in the frequency of the allele B of the TNFA gene (TNFApB) representing the nucleotide A at position -863 and C at position -1031 (P=0.015). Since it is known that TNFa2 and TNFApB is a high TNF-alpha responder, whereas TNFd3 is a TNF-alpha low responder, we propose that the TNF region of HLA contains polymorphic genes that confer susceptibility and resistance to the deleterious effects of UVB radiation on the induction of contact hypersensitivity. This proposal is consistent with previous reports that a unique microsatellite region of the Tnfa gene in mice contains alleles that dictate the UVB-dependent phenotypes in mice, and implicate TNF-alpha as the primary mediator of the immune-damaging effects of UVB radiation.
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Affiliation(s)
- H Niizeki
- Department of Dermatology, Clinical Research Institute, National Tokyo Medical Center, 2-5-1 Higeshi-ga-oka, Meguro, Tokyo 152-8902, Japan.
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Abstract
OBJECTIVES It is likely that genetic factors play a role in the etiology of chronic sinusitis, and airway inflammation is an important pathological feature in chronic sinusitis. We hypothesized that individuals with greater inflammatory responses may be more likely to acquire the disease. Polymorphisms of the tumor necrosis factor (TNF) genes have been described, and certain inflammatory diseases are reportedly associated with certain alleles of TNF genes. The purpose of this study is to examine whether there is an association between some alleles of TNF genes and chronic sinusitis. STUDY DESIGN Thirty-eight Japanese patients with intractable chronic sinusitis were selected on the basis of the following criteria: 1) persistent mucous or mucopurulent nasal discharge and/or postnasal dripping for longer than 3 years and 2) opacification in bilateral maxillary sinuses and ethmoid cells on plain radiographic films. METHODS Both tumor necrosis factor-alpha (TNF-alpha) and tumor necrosis factor-beta (TNF-beta) gene polymorphisms were analyzed by polymerase chain reaction (PCR) with restriction fragment length polymorphisms in these patients and 35 healthy control subjects. RESULTS A significantly higher frequency (P < .05) of TNFB*2 allele of TNF-beta gene polymorphism was observed in patients with chronic sinusitis (74%) compared with control subjects (56%). There was no association between alleles of TNF-alpha and chronic sinusitis. CONCLUSION We concluded that TNF-beta gene polymorphism may form a component of the genetic predisposition to chronic sinusitis in Japanese patients.
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Affiliation(s)
- K Takeuchi
- Department of Otorhinolaryngology, Mie University School of Medicine, Japan
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