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Zhou L, Fu Z, Wang S, Jia J, Cheng Y, Zheng Y, Zhang N, Lu W, Yao Z. ACYP1 Is a Pancancer Prognostic Indicator and Affects the Immune Microenvironment in LIHC. Front Oncol 2022; 12:875097. [PMID: 35586489 PMCID: PMC9108903 DOI: 10.3389/fonc.2022.875097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 03/29/2022] [Indexed: 01/12/2023] Open
Abstract
Background ACYP1 plays important physiological and metabolic roles in glycolysis and membrane ion pump activity by catalyzing acyl phosphate hydrolysis. ACYP1 is related to tumorigenesis and progression and poor prognosis in gastrointestinal cancer. However, its pancancer roles and mechanisms are unclear. Our study aimed to understand the ACYP1 expression signature and prognostic value across cancers and investigate immune infiltration patterns in liver hepatocellular carcinoma (LIHC) and verify them in LIHC samples. Methods Transcriptional expression profiles of ACYP1 across cancers were analyzed using Oncomine and TIMER. The prognostic value of ACYP1 was assessed across PrognoScan, Kaplan—Meier Plotter, and GEPIA. Significant pathways associated with ACYP1 in LIHC were obtained via Gene Set Enrichment Analysis. The correlation between ACYP1 expression and immune infiltration in LIHC was investigated using TIMER. We validated ACYP1 expression, prognostic value, and association with immune cells in tumor tissues by immunohistochemistry and flow cytometry. Results ACYP1 was overexpressed across cancers. High expression of ACYP1 correlated with a poor prognosis in most tumor types, especially in LIHC. ACYP1 was significantly implicated in immune and metabolic related pathways. High ACYP1 expression showed significant correlations with the abundances of Th2 cells, Tregs, macrophages, dendritic cells, and myeloid-derived suppressor cells in LIHC. LIHC patients with high ACYP1 expression showed significantly shorter overall survival and relapse-free survival rates concomitant with increased infiltration of CD4+ T cells. Mouse subcutaneous tumors with ACYP1 overexpression exhibited significantly accelerated tumor progression with increased aggregation of CD4+ T cells. Conclusion Overall, ACYP1 may serve as a vital prognostic biomarker and play an immunoregulatory role in LIHC.
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Affiliation(s)
- Lingyi Zhou
- Department of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
| | - Zheng Fu
- Department of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- Innovation and R&D Management Department, Tianjin Kangzhe Pharmaceutical Technology Development Company, Ltd., Tianjin, China
| | - Shuai Wang
- Department of Hepatobiliary Oncology, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University, Tianjin, China
| | - Jing Jia
- Department of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- Innovation and R&D Management Department, Tianjin Kangzhe Pharmaceutical Technology Development Company, Ltd., Tianjin, China
| | - Yumeng Cheng
- Department of Clinical Pharmacy, Tianjin Medical University, Tianjin, China
| | - Yunxiang Zheng
- Department of Clinical Pharmacy, Tianjin Medical University, Tianjin, China
| | - Ningning Zhang
- Department of Hepatobiliary Oncology, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University, Tianjin, China
- *Correspondence: Zhi Yao, ; Wei Lu, ; Ningning Zhang,
| | - Wei Lu
- Department of Hepatobiliary Oncology, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University, Tianjin, China
- *Correspondence: Zhi Yao, ; Wei Lu, ; Ningning Zhang,
| | - Zhi Yao
- Department of Immunology, Key Laboratory of Immune Microenvironment and Disease of the Educational Ministry of China, Tianjin Key Laboratory of Cellular and Molecular Immunology, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China
- 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics, Tianjin Medical University, Tianjin, China
- *Correspondence: Zhi Yao, ; Wei Lu, ; Ningning Zhang,
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Abstract
Cellular damage produced by conditions generating oxidative stress have far-reaching implications in human disease that encompass, but are not restricted to aging, cardiovascular disease, type 2 diabetes, airway inflammation/asthma, cancer, and metabolic syndrome including visceral obesity, insulin resistance, fatty liver disease, and dyslipidemia. Although there are numerous sources and cellular targets of oxidative stress, this review will highlight literature that has investigated downstream consequences of oxidatively-induced DNA damage in both nuclear and mitochondrial genomes. The presence of such damage can in turn, directly and indirectly modulate cellular transcriptional and repair responses to such stressors. As such, the persistence of base damage can serve as a key regulator in coordinated gene-response cascades. Conversely, repair of these DNA lesions serves as both a suppressor of mutagenesis and by inference carcinogenesis, and as a signal for the cessation of ongoing oxidative stress. A key enzyme in all these processes is 8-oxoguanine DNA glycosylase (OGG1), which, via non-catalytic binding to oxidatively-induced DNA damage in promoter regions, serves as a nucleation site around which changes in large-scale regulation of inflammation-associated gene expression can occur. Further, the catalytic function of OGG1 can alter the three-dimensional structure of specialized DNA sequences, leading to changes in transcriptional profiles. This review will concentrate on adverse deleterious health effects that are associated with both the diminution of OGG1 activity via population-specific polymorphic variants and the complete loss of OGG1 in murine models. This mouse model displays diet- and age-related induction of metabolic syndrome, highlighting a key role for OGG1 in protecting against these phenotypes. Conversely, recent investigations using murine models having enhanced global expression of a mitochondrial-targeted OGG1 demonstrate that they are highly resistant to diet-induced disease. These data suggest strategies through which therapeutic interventions could be designed for reducing or limiting adverse human health consequences to these ubiquitous stressors.
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Affiliation(s)
- Harini Sampath
- Department of Nutritional Sciences and New Jersey Institute for Food, Nutrition, and Health, Rutgers University, New Brunswick, NJ, 08901, United States.
| | - R Stephen Lloyd
- Oregon Institute for Occupational Health Sciences, Department of Molecular and Medical Genetics, Oregon Health & Sciences University, Portland, Oregon, 97239, United States.
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Modulation of UVB-induced Carcinogenesis by Activation of Alternative DNA Repair Pathways. Sci Rep 2018; 8:705. [PMID: 29335541 PMCID: PMC5768739 DOI: 10.1038/s41598-017-17940-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 11/17/2017] [Indexed: 02/04/2023] Open
Abstract
The molecular basis for ultraviolet (UV) light-induced nonmelanoma and melanoma skin cancers centers on cumulative genomic instability caused by inefficient DNA repair of dipyrimidine photoproducts. Inefficient DNA repair and subsequent translesion replication past these DNA lesions generate distinct molecular signatures of tandem CC to TT and C to T transitions at dipyrimidine sites. Since previous efforts to develop experimental strategies to enhance the repair capacity of basal keratinocytes have been limited, we have engineered the N-terminally truncated form (Δ228) UV endonuclease (UVDE) from Schizosaccharomyces pombe to include a TAT cell-penetrating peptide sequence with or without a nuclear localization signal (NLS): UVDE-TAT and UVDE-NLS-TAT. Further, a NLS was engineered onto a pyrimidine dimer glycosylase from Paramecium bursaria chlorella virus-1 (cv-pdg-NLS). Purified enzymes were encapsulated into liposomes and topically delivered to the dorsal surface of SKH1 hairless mice in a UVB-induced carcinogenesis study. Total tumor burden was significantly reduced in mice receiving either UVDE-TAT or UVDE-NLS-TAT versus control empty liposomes and time to death was significantly reduced with the UVDE-NLS-TAT. These data suggest that efficient delivery of exogenous enzymes for the initiation of repair of UVB-induced DNA damage may protect from UVB induction of squamous and basal cell carcinomas.
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Farland LV, Lorrain S, Missmer SA, Dartois L, Cervenka I, Savoye I, Mesrine S, Boutron-Ruault MC, Kvaskoff M. Endometriosis and the risk of skin cancer: a prospective cohort study. Cancer Causes Control 2017; 28:1011-1019. [PMID: 28799019 DOI: 10.1007/s10552-017-0939-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Accepted: 08/03/2017] [Indexed: 10/19/2022]
Abstract
PURPOSE Endometriosis has been associated with an increased risk of skin melanoma. However, associations with other skin cancer types and how they compare with melanoma are unclear. Our objective was to prospectively investigate the relationships between endometriosis and risk of non-melanoma and melanoma skin cancers. METHODS E3N is a prospective cohort of 98,995 French women aged 40-65 years in 1990. Data on surgically confirmed endometriosis and skin cancer diagnoses were collected every 2-3 years through self-report, with skin cancer cases confirmed through pathology reports. Hazard Ratios (HR) and 95% confidence intervals (CIs) were calculated using Cox regression models. RESULTS Between 1990 and 2008, 535 melanoma, 247 squamous-cell carcinoma (SCC), and 1,712 basal-cell carcinoma (BCC) cases were ascertained. Endometriosis was associated with an increased overall risk of skin cancer (HR 1.28, 95% CI 1.05-1.55). When considering skin cancer type, endometriosis was associated with melanoma risk (HR 1.64, 95% CI 1.15-2.35), but not with SCC (HR 1.21, 95% CI 0.62-2.36) or BCC (HR 1.16, 95% CI 0.91-1.48) (non-melanoma skin cancers combined: HR 1.17, 95% CI 0.93-1.46), although no heterogeneity was detected across skin cancer types (Phomogeneity = 0.13). CONCLUSION These data support an association between a personal history of endometriosis and the risk of skin cancer and suggest that the association is strongest for melanoma.
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Affiliation(s)
- Leslie V Farland
- Department of Epidemiology, Harvard T.H Chan School of Public Health, Boston, MA, 02115, USA.,Department of Obstetrics, Gynaecology, and Reproductive Biology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Simon Lorrain
- Univ. Bordeaux, ISPED, Centre INSERM U897-Epidémiologie-Biostatistique, 33000, Bordeaux, France
| | - Stacey A Missmer
- Department of Epidemiology, Harvard T.H Chan School of Public Health, Boston, MA, 02115, USA.,Division of Adolescent and Young Adult Medicine, Department of Pediatrics, Boston Children's Hospital and Harvard Medical School, 02115, Boston, MA, USA.,Department of Obstetrics, Gynecology, and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, MI, 49503, USA
| | - Laureen Dartois
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Iris Cervenka
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Isabelle Savoye
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Sylvie Mesrine
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Marie-Christine Boutron-Ruault
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Marina Kvaskoff
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France. .,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France.
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Hepatocellular carcinoma and other malignancies in autoimmune hepatitis. Dig Dis Sci 2013; 58:1459-76. [PMID: 23306849 DOI: 10.1007/s10620-012-2525-5] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Accepted: 12/03/2012] [Indexed: 12/13/2022]
Abstract
Hepatocellular carcinoma and extrahepatic malignancies can complicate the course of autoimmune hepatitis, and these occurrences may increase in frequency as the survival of patients with cirrhosis is extended and the prospect of new nonstandard immune-modifying intervention is realized. The frequency of hepatocellular carcinoma in patients with autoimmune hepatitis and cirrhosis is 1-9 %, and annual occurrence in patients with cirrhosis is 1.1-1.9 %. The standardized incidence ratio for hepatocellular carcinoma in autoimmune hepatitis is 23.3 (95 % confidence interval (CI) 7.5-54.3) in Sweden, and the standardized mortality ratio for hepatobiliary cancer is 42.3 (95 % CI 20.3-77.9) in New Zealand. The principal risk factor is long-standing cirrhosis, and patients at risk are characterized mainly by cirrhosis for ≥ 10 years, manifestations of portal hypertension, persistent liver inflammation, and immunosuppressive therapy for ≥ 3 years. Multiple molecular disturbances, including the accumulation of senescent hepatocytes because of telomere shortening, step-wise accumulation of chromosomal injuries, and aberrations in transcription factors and genes, may contribute to the risk. Extraheptic malignancies of diverse cell types occur in 5 % in an unpredictable fashion. The standardized incidence ratio is 2.7 (95 % CI 1.8-3.9) in New Zealand, and non-melanoma skin cancers are most common. Outcomes are related to the nature and stage of the tumor at diagnosis. Surveillance recommendations have not been promulgated, but hepatic ultrasonography every six months in patients with cirrhosis is a consideration. Routine health screening measures for other malignancies should be applied diligently.
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Morales J, Günther G, Zanocco AL, Lemp E. Rapid and Simple HPLC Method for the Simultaneous Determination of Urocanic Acid Isomers in Human Skin. ANAL LETT 2013. [DOI: 10.1080/00032719.2012.706845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Ghafouri-Fard S, Ghafouri-Fard S. Immunotherapy in nonmelanoma skin cancer. Immunotherapy 2012; 4:499-510. [DOI: 10.2217/imt.12.29] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Nonmelanoma skin cancer is the most common type of cancer in humans. The role of the immune system in the prevention and regression of cancer is significant. UV radiation, being the most important risk factor in the development of skin cancer, has a suppressive effect on local and systemic immune effectors. Different immunotherapeutic approaches have been used for the treatment of nonmelanoma skin cancer including adoptive T-cell therapies, vaccine-based strategies, cytokines and monoclonal antibodies. The most important advancement with promising effects in the field of nonmelanoma skin cancer immunotherapy is the topical immune response modifier imiquimod. In addition, immunoprevention has been successfully applied for autosomal dominant basal cell nevus syndrome. Immunotherapeutic approaches provide a new modality for the treatment of recurrent or multiple nonmelanoma skin tumors.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
| | - Somayyeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran 19857-17443, Iran
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Strickland FM, Muller HK, Stephens LC, Bucana CD, Donawho CK, Sun Y, Pelley RP. Induction of Primary Cutaneous Melanomas in C3H Mice by Combined Treatment with Ultraviolet Radiation, Ethanol and Aloe Emodin ¶. Photochem Photobiol 2007. [DOI: 10.1562/0031-8655(2000)0720407iopcmi2.0.co2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Abstract
It is well recognized that exposure to solar radiation has several detrimental consequences, both acute and chronic. The suppression of immune functions remains one of the most intriguing phenomena brought about by ultraviolet (UV) radiation. This concept has challenged experts from various disciplines including dermatology, immunology, and photobiology. Although controversies exist regarding the mechanisms involved, the consensus is that UV immune suppression contributes significantly to the growth of cutaneous malignancies--both melanoma and nonmelanoma skin cancer. It is therefore a critical issue to be addressed in the context of developing and using sun protection strategies.
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Affiliation(s)
- Kaija K Hanneman
- Department of Dermatology, University Hospitals of Cleveland/Case Western Reserve University, Cleveland, OH 44106, USA
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10
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Hughes MC, van der Pols JC, Marks GC, Green AC. Food intake and risk of squamous cell carcinoma of the skin in a community: The Nambour skin cancer cohort study. Int J Cancer 2006; 119:1953-60. [PMID: 16721782 DOI: 10.1002/ijc.22061] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
There is some evidence that dietary factors may modify the risk of squamous cell carcinoma (SCC) of the skin, but the association between food intake and SCC has not been evaluated prospectively. We examined the association between food intake and SCC incidence among 1,056 randomly selected adults living in an Australian sub-tropical community. Measurement-error corrected estimates of intake in 15 food groups were defined from a validated food frequency questionnaire in 1992. Associations with SCC risk were assessed using Poisson and negative binomial regression to the persons affected and tumour counts, respectively, based on incident, histologically confirmed tumours occurring between 1992 and 2002. After multivariable adjustment, none of the food groups was significantly associated with SCC risk. Stratified analysis in participants with a past history of skin cancer showed a decreased risk of SCC tumours for high intakes of green leafy vegetables (RR = 0.45, 95% CI = 0.22-0.91; p for trend = 0.02) and an increased risk for high intake of unmodified dairy products (RR = 2.53, 95% CI: 1.15-5.54; p for trend = 0.03). Food intake was not associated with SCC risk in persons who had no past history of skin cancer. These findings suggest that consumption of green leafy vegetables may help prevent development of subsequent SCCs of the skin among people with previous skin cancer and that consumption of unmodified dairy products, such as whole milk, cheese and yoghurt, may increase SCC risk in susceptible persons.
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Affiliation(s)
- Maria Celia Hughes
- Cancer and Population Studies Group, Queensland Institute of Medical Research, Queensland, Australia
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11
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Prater MR, Blaylock BL, Holladay SD. Combined dermal exposure to permethrin and cis-urocanic acid suppresses the contact hypersensitivity response in C57BL/6N mice in an additive manner. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2005; 78:29-34. [PMID: 15629246 DOI: 10.1016/j.jphotobiol.2004.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2003] [Revised: 07/20/2004] [Accepted: 09/13/2004] [Indexed: 10/26/2022]
Abstract
Cutaneous exposure to the pyrethroid insecticide permethrin significantly suppresses contact hypersensitivity (CH) response to oxazolone in C57BL/6N mice. Additionally, cis-urocanic acid (cUCA), an endogenous cutaneous chromophore isomerized to its active form following exposure to ultraviolet radiation, modulates cell-mediated cutaneous immune responses. This study describes cutaneous immune alterations following combined topical permethrin and intradermal cUCA exposure. Female C57BL/6N mice were administered 5, 50 or 100 microg cUCA daily for 5 consecutive days. CH was then evaluated by the mouse ear swelling test (MEST) response to oxazolone. Decreased responses of 52.3%, 76.3% and 76.3%, respectively, as compared to controls were observed. Then, mice were co-exposed to 5 microg cUCA daily for 5 days and 1.5, 5, 15, or 25 microL permethrin, on either day 1, 3 or 5 of the cUCA treatment to evaluate combined immunomodulatory effects of the two chemicals, or cUCA daily for 5 days followed by permethrin on day 3, 5, or 7 after the last cUCA injection to demonstrate prolonged immunosuppressive effects. Two days after final treatment, mice were sensitized with oxazolone and MEST was performed. Mice receiving five cUCA injections and permethrin topically on cUCA injection day 1 showed up to 93.3% suppression of MEST compared to vehicle control. CH was suppressed by 87.5%, 86.6% and 74.2% in mice treated with 25 muL permethrin on days 3, 5 and 7 after cUCA, respectively, compared to vehicle control. Taken together, these data indicate co-exposure to cUCA and permethrin profoundly suppresses cell-mediated cutaneous immunity.
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Affiliation(s)
- M R Prater
- Department of Biomedical Sciences, Edward Via Virginia College of Osteopathic Medicine, 2265 Kraft Drive, Blacksburg, VA 24060, USA.
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Lebwohl M, Dinehart S, Whiting D, Lee PK, Tawfik N, Jorizzo J, Lee JH, Fox TL. Imiquimod 5% cream for the treatment of actinic keratosis: results from two phase III, randomized, double-blind, parallel group, vehicle-controlled trials. J Am Acad Dermatol 2004; 50:714-21. [PMID: 15097955 DOI: 10.1016/j.jaad.2003.12.010] [Citation(s) in RCA: 182] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
BACKGROUND The immune system plays a critical role in the development and pathogenesis of actinic keratosis (AK). Imiquimod has been shown to stimulate the cutaneous immune response and be effective for the treatment of nonmelanoma skin cancers. OBJECTIVE Two phase III, randomized, double-blind, vehicle-controlled studies evaluated the efficacy of imiquimod 5% cream compared with vehicle in the treatment of AK lesions on the face and balding scalp. METHODS A total of 436 participants at 24 centers in the United States and Canada were randomized to either imiquimod 5% or vehicle cream. Study cream was applied one time per day, 2 days per week for 16 weeks. Clearance of AK lesions was clinically assessed at an 8-week posttreatment visit. RESULTS The complete clearance rate was 45.1% for the imiquimod group and 3.2% for the vehicle group. The difference in complete clearance rates (imiquimod minus vehicle) was 41.9% with a 95% confidence interval of 34.9% to 49%. The partial (> or =75%) clearance rate was 59.1% for the imiquimod group and 11.8% for the vehicle group. The difference in partial clearance rates (imiquimod minus vehicle) was 47.3% with a 95% confidence interval of 39.5% to 55.1%. The median percent reduction in AK lesions was 83.3% for the imiquimod group and 0% for the vehicle group. Local skin reactions were common. Severe erythema was reported by 17.7% of participants who received imiquimod and 2.3% of participants who received vehicle. Overall, imiquimod was very well tolerated. CONCLUSION Imiquimod 5% cream used 2 times per week for 16 weeks is an effective and well-tolerated treatment for AK.
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Affiliation(s)
- Mark Lebwohl
- Department of Dermatology, Mount Sinai School of Medicine, New York, New York 10029-6574, USA.
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Forslund O, Ly H, Reid C, Higgins G. A broad spectrum of human papillomavirus types is present in the skin of Australian patients with non-melanoma skin cancers and solar keratosis. Br J Dermatol 2003; 149:64-73. [PMID: 12890196 DOI: 10.1046/j.1365-2133.2003.05376.x] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Human papillomavirus (HPV) may play a role in the pathogenesis of non-melanoma skin cancer (NMSC) in epidermodysplasia verruciformis (EV) patients, but in the general population no specific HPV types have been associated with these lesions. Objectives To examine the spectrum of HPV types present in the skin and tumours of Australian patients with NMSC or solar keratosis (SK). METHODS Biopsies from tumours, and cotton swab samples of perilesional skin and buttock skin from each of 59 Australian patients with basal cell carcinoma (BCC), squamous cell carcinoma (SCC) or SK were tested for HPV DNA by polymerase chain reaction (PCR) using HPV consensus (FAP) primers and by type-specific primers for HPV 38 and candidate HPV 92. The identification of HPV type from consensus PCR was performed by sequencing and comparison with GenBank. RESULTS In total, 49 of 59 (83%) patients harboured HPV DNA, which was detected in 28 of 64 (44%) biopsies, 48 of 64 (75%; P < 0.001) perilesional swabs and 36 of 59 (61%; P = 0.04) buttock swabs. Forty-five different HPV types/putative types were detected: 15 were previously characterized HPV types, 17 were earlier described putative types and 13 were new putative types. In addition, six subtypes and four variants of HPV sequences were identified. HPV types within the B1 group (EV HPV types) were found in 26 of 64 (40%) lesions, 44 of 64 (69%) perilesional swabs and 35 of 59 (59%) buttock swabs. HPV 38 was detected in 23 of 59 (39%) patients, and was found in seven of 16 (43%) SKs, but was less common in SCCs [three of 23 (13%); P = 0.037] and BCCs [four of 25 (16%); P = 0.056]. Candidate HPV 92 was found in seven of 59 (12%) patients. CONCLUSIONS A broad spectrum of HPV types, the majority from the B1 group, was found in skin of Australian patients with skin tumours. HPV 38 was found significantly more often in SK than in SCC. However, the role of cutaneous HPV infection in the pathogenesis of NMSC remains elusive.
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Affiliation(s)
- O Forslund
- Department of Medical Microbiology, Malmö University Hospital, Lund University, SE-205 02 Malmö, Sweden.
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Kuwana M. Induction of anergic and regulatory T cells by plasmacytoid dendritic cells and other dendritic cell subsets. Hum Immunol 2002; 63:1156-63. [PMID: 12480259 DOI: 10.1016/s0198-8859(02)00754-1] [Citation(s) in RCA: 92] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The induction of antigen-specific tolerance is critical for maintaining immune homeostasis and preventing autoimmunity. Because the central tolerance that eliminates potentially harmful autoreactive T cells is incomplete, peripheral mechanisms for suppressing self-reactive T cells play an important role. Dendritic cells (DCs) are professional antigen-presenting cells, which have an extraordinary capacity to stimulate naïve T cells and initiate primary immune responses. Recent accumulating evidence indicates that several subsets of human DCs also play a critical role in the induction of peripheral tolerance by anergizing effector CD4(+) and CD8(+) T cells or by inducing the differentiation of naïve T cells into T-regulatory cells, which produce interleukin (IL)-10. Human DC subsets with the property of suppressing an antigen-specific T-cell response include plasmacytoid DCs, which are either in an immature state or in a mature state induced by CD40 ligand stimulation, and monocyte-derived DCs, which are either in an immature state or have had their state modulated by treatment with IL-10 or CD8(+)CD28(-) T cells. These "tolerogenic" DCs may be relevant to therapeutic applications for autoimmune and allergic diseases as well as organ transplant rejection.
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Affiliation(s)
- Masataka Kuwana
- Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan.
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15
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Popp S, Waltering S, Herbst C, Moll I, Boukamp P. UV-B-type mutations and chromosomal imbalances indicate common pathways for the development of Merkel and skin squamous cell carcinomas. Int J Cancer 2002; 99:352-60. [PMID: 11992403 DOI: 10.1002/ijc.10321] [Citation(s) in RCA: 154] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Two developmentally highly divergent nonmelanoma skin cancers, the epidermal squamous cell carcinomas (SCC) and the neuroendocrine Merkel cell carcinomas (MCC), occur late in life at sun-exposed body sites. To determine whether these similarities may indicate common genetic alterations, we studied the genetic profile of 10 MCCs and analyzed 6 derived cell lines and 5 skin SCC lines by comparative genomic hybridization (CGH) and molecular genetic analyses. Although the MCCs were highly divergent-only 3 of the 10 tumors exhibited common gains and losses-they shared gain of 8q21-q22 and loss of 4p15-pter with the genetically much more homogeneous SCC lines. In addition, 2 of 5 SCC and 2 of 6 MCC lines exhibited UV-B-type-specific mutations in the p53 tumor-suppressor gene and a high frequency (9/11) of CC-->TT double base changes in codon 27 of the Harvey (Ha)-ras gene. Since 45% of the tumor lines were homozygous for this nucleotide substitution compared to 14% of the controls and in 1 MCC patient the wild-type allele was lost in the tumor, this novel polymorphism may contribute to tumor development. On the other hand, loss of 3p, characteristic for SCCs, was rare in MCCs. Although in 2 of 3 SCC lines 3p loss was correlated with reduced expression of the FHIT (fragile histidine triad) gene, the potential tumor suppressor mapped to 3p14.2 and 2 MCC lines with normal 3p showed aberrant or no FHIT transcripts. Taken together, in addition to the common UV-B-specific mutations in the p53 and Ha-ras gene, MCCs and SCCs also share chromosomal imbalances that may point to a common environmental-derived (e.g., UV-A) oxidative damage.
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MESH Headings
- Aged
- Aged, 80 and over
- Blotting, Southern
- Carcinoma, Merkel Cell/etiology
- Carcinoma, Merkel Cell/genetics
- Carcinoma, Squamous Cell/etiology
- Carcinoma, Squamous Cell/genetics
- Chromosome Aberrations
- Chromosome Mapping
- Chromosomes, Human, Pair 4
- Chromosomes, Human, Pair 8
- Cyclin-Dependent Kinase Inhibitor p16/genetics
- Exons
- Female
- Genes, p53/genetics
- Genes, ras/genetics
- Homozygote
- Humans
- Male
- Mutation
- Neoplasms, Radiation-Induced
- Nucleic Acid Hybridization
- Oxygen/metabolism
- Polymorphism, Genetic
- RNA, Messenger/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- Sequence Analysis, DNA
- Skin Neoplasms/etiology
- Skin Neoplasms/genetics
- Tumor Cells, Cultured
- Ultraviolet Rays
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Affiliation(s)
- Susanne Popp
- Division of Genetics of Skin Carcinogenesis, Deutsches Krebsforschungszentrum, Heidelberg, Germany
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16
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Strickland FM. Immune regulation by polysaccharides: implications for skin cancer. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2001; 63:132-40. [PMID: 11684460 DOI: 10.1016/s1011-1344(01)00210-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
UV radiation causes sunburn, premature aging of the skin and is the major environmental carcinogen for squamous cell and basal cell skin cancer in humans. Besides causing mutations in DNA, UV radiation contributes to carcinogenesis by suppressing immune responses to highly antigenic, newly arising neoplasms. Strategies aimed at preventing UV-induced immune suppression, the mechanism of action of the agents used, and the significance of immune protection for prevention of skin cancer are reviewed. This review focuses on the use of plant polysaccharides to prevent immune damage triggered by UV radiation, an approach that goes beyond absorption of UV radiation by sunscreens as a means of reducing tissue damage. The efficacy and mechanism of action of these agents in preserving T cell-mediated immunity to model antigens in human beings and in laboratory animals are discussed.
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Affiliation(s)
- F M Strickland
- The University of Texas, M.D. Anderson Cancer Center, Department of Immunology-178, 1515 Holcombe Boulevard, Houston, TX 77030, USA.
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17
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Jonuleit H, Schmitt E, Steinbrink K, Enk AH. Dendritic cells as a tool to induce anergic and regulatory T cells. Trends Immunol 2001; 22:394-400. [PMID: 11429324 DOI: 10.1016/s1471-4906(01)01952-4] [Citation(s) in RCA: 348] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The induction of antigen-specific T-cell tolerance in the thymus and its maintenance in the periphery is crucial for the prevention of autoimmunity. As well as their stimulatory functions, there is growing evidence that dendritic cells, acting as professional antigen-presenting cells, also maintain and regulate T-cell tolerance in the periphery. This control function is exerted by certain maturation stages and subsets of different ontogeny, and can be influenced by immunomodulatory agents. What is the current state of knowledge of the "immunoregulatory" properties of dendritic cells and how might tolerance-inducing dendritic cells be relevant to therapeutic applications in humans?
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Affiliation(s)
- H Jonuleit
- Dept of Dermatology, University of Mainz, Langenbeckstr. 1, D-55131 Mainz, Germany
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18
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Rust A, McGovern RM, Gostout BS, Persing DH, Pittelkow MR. Human papillomavirus in cutaneous squamous cell carcinoma and cervix of a patient with psoriasis and extensive ultraviolet radiation exposure. J Am Acad Dermatol 2001; 44:681-6. [PMID: 11260548 DOI: 10.1067/mjd.2001.112359] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
"High-risk" human papillomaviruses (HPVs) are associated with intraepithelial neoplasia and cancer of the uterine cervix. HPV has also been found in nonmelanoma skin cancer (NMSC), especially in squamous cell carcinomas (SCCs) of immunosuppressed patients. Recently, lesions of psoriasis have been shown to harbor HPV, and patients with psoriasis often have a history of extensive therapy with ultraviolet radiation (UVR). UVR is the major known risk factor in the occurrence of NMSC, in which HPV may be a cofactor for SCC. We report an otherwise healthy, nonimmunosuppressed patient with psoriasis who had a history of extensive exposure to UVR and experienced multiple SCCs on UV-exposed body sites. By the polymerase chain reaction method, we detected HPV in 5 of 9 SCCs. Automated sequencing showed HPV types 12 and 17. Only 1 of 3 normal skin specimens was HPV positive (HPV type 17). This positive specimen was from UV-exposed skin; one of the two HPV-negative, normal skin specimens was located on a body site not exposed to sun. In addition, HPV type 62 was found in a brush specimen of the uterine cervix. This case report suggests an association between psoriasis, HPV infection, and UVR exposure, in onset of SCC.
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Affiliation(s)
- A Rust
- Department of Dermatology, Biochemistry and Molecular Biology, Mayo Clinic and Foundation, Rochester, MN 55905, USA
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19
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Strickland FM, Muller HK, Stephens LC, Bucana CD, Donawho CK, Sun Y, Pelley RP. Induction of primary cutaneous melanomas in C3H mice by combined treatment with ultraviolet radiation, ethanol and aloe emodin. Photochem Photobiol 2000; 72:407-14. [PMID: 10989613 DOI: 10.1562/0031-8655(2000)072<0407:iopcmi>2.0.co;2] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The role of ultraviolet (UV) radiation in the induction of nonmelanoma skin cancer is widely accepted, although its precise contribution to the development of primary cutaneous melanoma skin cancer requires further definition. We found that painting aloe emodin, a trihydroxyanthraquinone from Aloe barbadensis, in ethyl alcohol vehicle on the skin of mice in conjunction with exposure to UVB (280-320 nm) radiation results in the development of melanin-containing skin tumors. C3H/HeN mice were treated thrice weekly with aloe emodin in a 25% ethanol in water vehicle and exposed to 15 kJ/m2 UV radiation. Neither ethanol vehicle nor aloe emodin alone induced skin tumors in the absence of UV radiation. In two separate experiments, 20-30% of the mice treated with a combination of UV radiation and ethanol vehicle and 50-67% of the UV-irradiated animals given aloe emodin in ethanol vehicle developed primary cutaneous melanin-containing tumors. The diagnosis of melanoma was established using Fontana silver stain for melanin; these tumors were negative for vimentin and keratin. Melanin-containing melanosomes were observed by transmission electron microscopy in tumors diagnosed as melanomas. Although the mechanism of carcinogenesis in these mice is currently unknown, our findings have led to the development of the first facile murine model for the induction of primary melanoma. This model has the potential to clarify the role of UV radiation in the etiology of malignant melanoma.
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Affiliation(s)
- F M Strickland
- Department of Immunology, University of Texas M. D. Anderson Cancer Center, Houston 77030, USA.
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20
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Abstract
Nonmelanoma skin cancer is the most common human malignancy. An estimated 2.75 million patients worldwide are diagnosed with skin cancer each year, with more than one million in the United States alone. Treatment for skin cancer includes methods such as cryosurgery, curettage and electrodessication, local excision, and Mohs micrographic surgery. Regardless of the method used, the goal is to provide the patient with the safest, most cost-effective and curative treatment.
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Affiliation(s)
- M L Anthony
- Medical University of South Carolina, Charleston, USA
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21
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Strickland FM, Darvill A, Albersheim P, Eberhard S, Pauly M, Pelley RP. Inhibition of UV-lnduced Immune Suppression and lnterleukin-10 Production by Plant Oligosaccharides and Polysaccharides. Photochem Photobiol 1999. [DOI: 10.1111/j.1751-1097.1999.tb03266.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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22
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Hryhorenko EA, Oseroff AR, Morgan J, Rittenhouse-Diakun K. Antigen specific and nonspecific modulation of the immune response by aminolevulinic acid based photodynamic therapy. IMMUNOPHARMACOLOGY 1998; 40:231-40. [PMID: 9858066 DOI: 10.1016/s0162-3109(98)00047-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Photosensitizers used normally in treating cancers have considerable potential for treatment of other diseases. One such photosensitizer is the endogenously synthesized photosensitizer protoporphyrin IX (PpIX). To better understand how protoporphyrin might be used in transplantation or in treating autoimmune diseases, information must be obtained on how the photosensitizer affects all immune cells. We used a combination of flow cytometry and in vitro activation assays (recall assays and mixed-lymphocyte reactions) to examine the effects of PpIX on the antigen specific component, lymphocytes and the non-antigen specific component, the macrophages/monocytes and dendritic cells of the immune system. Whereas, lymphocytes accumulate PpIX only when activated, both macrophages and dendritic cells accumulated PpIX immediately, without in vitro activation, as measured by flow cytometry. ALA-PDT (aminolevulenic acid-photodynamic therapy) treated adherent cells in the recall assay had a decreased capability to activate lymphocytes. By increasing the light dose in the recall assay, antigen primed lymphocytes were selectively eliminated from a population of cells. Stimulator cells in an MLR had a decreased stimulatory capacity following ALA-PDT treatment. Functional alterations are seen in both the antigen specific
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Affiliation(s)
- E A Hryhorenko
- Department of Molecular Immunology, Roswell Park Cancer Institute, Buffalo, NY 14263, USA
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23
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Longstreth J, de Gruijl FR, Kripke ML, Abseck S, Arnold F, Slaper HI, Velders G, Takizawa Y, van der Leun JC. Health risks. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 1998; 46:20-39. [PMID: 9894351 DOI: 10.1016/s1011-1344(98)00183-3] [Citation(s) in RCA: 164] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The health risks associated with ozone depletion will principally be those due to increased ultraviolet B (UV-B) radiation in the environment, i.e., increased damage to the eyes, the immune system, and the skin. Some new risks may also be introduced with the increased use of alternatives to the ozone-depleting substances (ODSs). Quantitative risk estimates are available for some of the UV-B-associated effects, e.g., cataract and skin cancer; however, the data are insufficient to develop similar estimates for effects such as immunosuppression and the toxicity of alternatives. Ocular damage from UV exposures includes effects on the cornea, lens, iris, and associated epithelial and conjunctival tissues. The most common acute ocular effect of environmental ultraviolet radiation (UVR) is photokeratitis. Also known as snowblindness in skiers, this condition also occurs in other outdoor recreationists. Chronic eye conditions likely to increase with ozone depletion include cataract, squamous cell carcinoma, ocular melanoma, and a variety of corneal/conjunctival effects, e.g., pterygium and pinguecula. Suppression of local (at the site of UV exposure) and systemic (at a distant, unexposed site) immune responses to a variety of antigens has been demonstrated in both humans and animals exposed to UV-B. In experiments with animals these effects have been shown to worsen the course/outcome of some infectious diseases and cancers. There is reasonably good evidence that such immunosuppression plays a role in human carcinogenesis; however, the implications of such immunosuppression for human infectious diseases are still unknown. In light-skinned populations, exposure to solar UVR appears to be the most important environmental risk factor for basal and squamous cell carcinomas and cutaneous melanoma. Originally it was believed that total accumulated exposure to UVR was the most important environmental factor in determining risk for these tumors. Recent information now suggests that only squamous cell carcinoma risk is related to total exposure. In the cases of both basal cell carcinoma and melanoma, new information suggests that increases in risk are tied to early exposures (before about age 15), particularly those leading to severe sunburns. Testing of a number of the chlorofluorocarbon (CFC) alternatives indicates that most of these chemicals have low acute toxicity, and low to moderate chronic toxicity. Some chemicals that were originally proposed as alternatives have been dropped from consideration because these tests raised concerns about toxicity and/or manufacturing difficulties. In one instance, high accidental occupational exposure was associated with liver damage, underlining the need for care in the use of these substitutes. Recent quantitative risk estimates have been developed for cataract, melanoma, and all skin cancers combined. These estimates indicate that under the Montreal Adjustments, cataract and skin-cancer incidence will peak mid-century at additional incidences of just under 3 per 100,000 and about 7 per 100,000, respectively.
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Affiliation(s)
- J Longstreth
- Institute for Global Risk Research, Bethesda, MD 20817, USA.
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