Page last updated: 2024-08-24

5-methylcytosine and Skin Neoplasms

5-methylcytosine has been researched along with Skin Neoplasms in 37 studies

Research

Studies (37)

Timeframe	Studies, this research(%)	All Research%
pre-1990	0 (0.00)	18.7374
1990's	5 (13.51)	18.2507
2000's	5 (13.51)	29.6817
2010's	24 (64.86)	24.3611
2020's	3 (8.11)	2.80

Authors

Authors	Studies
Boudra, R; Lian, CG; Ramsey, MR; Schmults, CD; Wang, D; Wells, M; Woappi, Y; Xu, S	1
Balzer, BL; Frishberg, DP; Shon, W; Yagi, S	1
Cavalcante, RG; D'Silva, NJ; de Medeiros, MC; Fernandez, EM; Figueroa, ME; Liu, S; Qin, T; Rozek, LS; Sartor, MA; Wolf, GT; Zarins, KR	1
Bechara, FG; Gambichler, T; Hessam, S; Rüddel, I; Schmitz, L; Stockfleth, E	1
Li, X; Lian, CG; Liu, F; Liu, X; Qiu, L; Tu, P; Wang, Y; Xiao, C; Yi, S	1
Andrews, CA; Chan, MP; Kahana, A; Rao, RC	1
Bizet, M; Bonvin, E; Calonne, E; Fuks, F; Larue, L; Luciani, F; Marine, JC; Nittner, D; Petit, V; Putmans, P; Radaelli, E; Santagostino, SF; Singh, NK	1
Balzer, BL; Essner, R; Frishberg, DP; Huynh, CAT; Shon, W; Siref, AB	1
Becker, JC; Dreibigacker, M; Gambichler, T; Rüddel, I; Schmitt, K; Stockfleth, E	1
Chen, Y; Sugiyama, T	1
Urso, C	1
Gambichler, T; Sand, M; Skrygan, M	1
Ashida, A; Hayashi, K; Kiniwa, Y; Koga, H; Ogawa, E; Okuyama, R; Takazawa, Y; Uchiyama, A; Uchiyama, R; Uhara, H	1
Adany, R; Balazs, M; Ecsedi, SI; Herceg, Z; Hernandez-Vargas, H; Lima, SC	1
Dresser, KA; Larson, AR; Lezcano, C; Lian, CG; Mihm, MC; Murphy, GF; Scolyer, RA; Shi, YG; Thompson, JF; Woda, BA; Yosufi, B; Zhan, Q	1
Granter, SR; Guo, W; Laga, AC; Lee, JJ; Lian, CG; Murphy, GF; Saavedra, AP; Xu, S; Zhan, Q	1
Mikoshiba, Y; Ogawa, E; Okuyama, R; Uchiyama, A; Uchiyama, R; Uhara, H	1
Burghart, DR; De Souza, A; Kempf, W; Pfaltz, M; Tinguely, M	1
Burns, KH; Rodić, N; Sharma, R; Taube, JM; Zampella, J	1
Gambichler, T; Mamali, K; Moritz, R; Mucke, M; Patsinakidis, N; Skrygan, M; Stockfleth, E; Stücker, M	1
Cook, M; Lee, JJ; Lian, CG; Mihm, MC; Murphy, GF; Wang, TJ; Xu, S; Zhan, Q	1
da Fonseca, IIM; Dagli, MLZ; de Francisco Strefezzi, R; Epiphanio, TF; Kimura, KC; Morimoto, CY; Sanches, DS; Tedardi, MV	1
Fraitag, S; Hohl, D; Pavlova, O	1
Bamford, M; Joshi, K; Lawes, K; Moosa, F; Pringle, JH; Saldanha, G; Teo, KW	1
Bosenberg, MW; Micevic, G; Rodić, N; Taube, JM; Theodosakis, N	1
Fang, S; Huff, C; Lee, JE; Shen, J; Song, R; Wan, J; Zhao, H	1
Bresler, SC; Fletcher, CD; Frank, AH; Granter, SR; Hu, NR; Lee, JJ; Lian, CG; Mihm, MC; Murphy, GF; Saw, RP; Scolyer, RA; Vilain, RE; Xu, S	1
Ballestar, E; Balmain, A; Bozdogan, O; Cano, A; Erkek, E; Espada, J; Esteller, M; Fraga, MF; Herranz, M; Mao, JH; Niveleau, A; Paz, MF; Peinado, H; Ropero, S	1
Besaratinia, A; Pfeifer, GP; You, YH	1
Kreider, JW; Lang, CM; Peng, X	1
Denissenko, MF; Pfeifer, GP; Tommasi, S	1
Denissenko, MF; Pfeifer, GP	1
Li, C; Pfeifer, GP; You, YH	1
Abbondandolo, A; Aprile, A; Burns, PA; Campomenosi, P; Fronza, G; Inga, A; Menichini, P; Monti, P; Ottaggio, L; Scott, G; Viaggi, S	1
Denissenko, MF; Pfeifer, GP; Tang, M	1
Pfeifer, GP	1
Pfeifer, GP; You, YH	1

Reviews

4 review(s) available for 5-methylcytosine and Skin Neoplasms

Article	Year
Mutations induced by ultraviolet light. Mutation research, 2005, Apr-01, Volume: 571, Issue:1-2 Topics: 5-Methylcytosine; Animals; Humans; Melanoma; Mutation; Neoplasms, Radiation-Induced; Pyrimidine Dimers; Skin Neoplasms; Ultraviolet Rays	2005
Formation and repair of DNA lesions in the p53 gene: relation to cancer mutations? Environmental and molecular mutagenesis, 1998, Volume: 31, Issue:3 Topics: 5-Methylcytosine; Animals; Benzo(a)pyrene; Breast Neoplasms; Carcinogens, Environmental; Colonic Neoplasms; Cytosine; Deamination; DNA Adducts; DNA Damage; DNA Mutational Analysis; DNA Repair; Genes, p53; Humans; Lung Neoplasms; Mice; Mutagenesis; Neoplasms; Neoplasms, Radiation-Induced; Selection, Genetic; Skin Neoplasms; Smoking; Tumor Suppressor Protein p53; Ultraviolet Rays	1998
Mutation hotspots and DNA methylation. Current topics in microbiology and immunology, 2000, Volume: 249 Topics: 5-Methylcytosine; Carcinogens; CpG Islands; Cytosine; DNA Methylation; Genes, p53; Genes, Tumor Suppressor; Lung Neoplasms; Mutagenesis; Skin Neoplasms	2000
p53 mutational spectra and the role of methylated CpG sequences. Mutation research, 2000, May-30, Volume: 450, Issue:1-2 Topics: 5-Methylcytosine; Carcinogens; CpG Islands; Cytosine; DNA Methylation; DNA Repair; DNA, Neoplasm; Genes, p53; Humans; Lung Neoplasms; Mutation; Skin Neoplasms; Smoking; Sunlight	2000

Other Studies

33 other study(ies) available for 5-methylcytosine and Skin Neoplasms

Article	Year
Regulation of 5-Hydroxymethylcytosine by TET2 Contributes to Squamous Cell Carcinoma Tumorigenesis. The Journal of investigative dermatology, 2022, Volume: 142, Issue:5 Topics: 5-Methylcytosine; Animals; Carcinoma, Squamous Cell; Cell Transformation, Neoplastic; Dioxygenases; DNA Methylation; DNA-Binding Proteins; Humans; Mice; Proto-Oncogene Proteins; Skin Neoplasms	2022
Epigenetic marker expression is of limited diagnostic utility in spitzoid melanocytic neoplasms. Journal of cutaneous pathology, 2020, Volume: 47, Issue:12 Topics: 5-Methylcytosine; Biomarkers, Tumor; Diagnosis, Differential; Epigenesis, Genetic; Female; Humans; Male; Melanoma; Nevus, Epithelioid and Spindle Cell; Skin Neoplasms	2020
5-Hydroxymethylation highlights the heterogeneity in keratinization and cell junctions in head and neck cancers. Clinical epigenetics, 2020, 11-17, Volume: 12, Issue:1 Topics: 5-Methylcytosine; Cell Movement; DNA Methylation; Epigenesis, Genetic; Female; Gene Expression Regulation, Neoplastic; Genome-Wide Association Study; Head and Neck Neoplasms; Humans; Intercellular Junctions; Keratinocytes; Male; Middle Aged; Papillomaviridae; Papillomavirus Infections; Skin Neoplasms; Squamous Cell Carcinoma of Head and Neck	2020
Altered epigenetic pathways and cell cycle dysregulation in healthy appearing skin of patients with koebnerized squamous cell carcinomas following skin surgery. Journal of the European Academy of Dermatology and Venereology : JEADV, 2018, Volume: 32, Issue:9 Topics: 5-Methylcytosine; Azathioprine; Carcinoma, Squamous Cell; Cell Cycle; Cyclin-Dependent Kinase Inhibitor p16; Deoxycytidine; Dimethyl Fumarate; Dioxygenases; DNA-Binding Proteins; Epigenesis, Genetic; ErbB Receptors; Female; Humans; Immunosuppressive Agents; Isocitrate Dehydrogenase; Ki-67 Antigen; Male; Middle Aged; Multiple Sclerosis; Neoplasm Recurrence, Local; Proto-Oncogene Proteins; Proto-Oncogene Proteins B-raf; Proto-Oncogene Proteins p21(ras); Skin; Skin Neoplasms; Skin Physiological Phenomena; Tumor Suppressor Protein p53	2018
Loss of 5-Hydroxymethylcytosine Is an Epigenetic Biomarker in Cutaneous T-Cell Lymphoma. The Journal of investigative dermatology, 2018, Volume: 138, Issue:11 Topics: 5-Methylcytosine; Apoptosis; Biomarkers, Tumor; Carcinogenesis; CD4-Positive T-Lymphocytes; Cell Line, Tumor; Disease Progression; Epigenesis, Genetic; Female; Humans; Keratinocytes; Lymphoma, T-Cell, Cutaneous; Male; Mycosis Fungoides; Neoplasm Staging; Prognosis; Skin Neoplasms; Survival Analysis	2018
Epigenetic markers in basal cell carcinoma: universal themes in oncogenesis and tumor stratification? - a short report. Cellular oncology (Dordrecht), 2018, Volume: 41, Issue:6 Topics: 5-Methylcytosine; Carcinogenesis; Carcinoma, Basal Cell; Epigenesis, Genetic; Histones; Humans; Lysine; Methylation; Skin Neoplasms	2018
TET2-Dependent Hydroxymethylome Plasticity Reduces Melanoma Initiation and Progression. Cancer research, 2019, 02-01, Volume: 79, Issue:3 Topics: 5-Methylcytosine; Animals; Dioxygenases; Disease Progression; DNA-Binding Proteins; DNA, Neoplasm; Epigenesis, Genetic; Gene Expression Regulation, Neoplastic; Humans; Melanoma, Experimental; Mice; Mice, Inbred C57BL; Mice, Inbred DBA; Mice, Knockout; Mice, Transgenic; Monomeric GTP-Binding Proteins; Proto-Oncogene Proteins; Rats; Skin Neoplasms	2019
Diagnostic utility of dual 5-hydroxymethylcytosine/Melan-A immunohistochemistry in differentiating nodal nevus from metastatic melanoma: An effective first-line test for the workup of sentinel lymph node specimen. Journal of cutaneous pathology, 2019, Volume: 46, Issue:4 Topics: 5-Methylcytosine; Biomarkers, Tumor; Diagnosis, Differential; Humans; Immunohistochemistry; Lymphatic Metastasis; MART-1 Antigen; Melanoma; Melanoma, Cutaneous Malignant; Nevus, Pigmented; Sentinel Lymph Node; Sentinel Lymph Node Biopsy; Skin Neoplasms; Staining and Labeling	2019
Decreased 5-hydroxymethylcytosine immunoreactivity in primary Merkel cell carcinoma is a strong predictor for disease-specific death. The British journal of dermatology, 2019, Volume: 181, Issue:2 Topics: 5-Methylcytosine; Aged; Aged, 80 and over; Biomarkers, Tumor; Carcinoma, Merkel Cell; Dioxygenases; DNA Methylation; DNA-Binding Proteins; Female; Follow-Up Studies; Humans; Immunohistochemistry; Isocitrate Dehydrogenase; Male; Merkel cell polyomavirus; Neoplasm Recurrence, Local; Neoplasm Staging; Pilot Projects; Prognosis; Proto-Oncogene Proteins; Sex Factors; Skin; Skin Neoplasms; Viral Load	2019
Biochemical reconstitution of UV-induced mutational processes. Nucleic acids research, 2019, 07-26, Volume: 47, Issue:13 Topics: 5-Methylcytosine; Cell-Free System; Cytosine; Deamination; DNA Damage; DNA Replication; DNA-Cytosine Methylases; DNA-Directed DNA Polymerase; DNA, Neoplasm; DNA, Single-Stranded; Humans; Melanoma; Models, Genetic; Mutagenesis; Neoplasms, Radiation-Induced; Pyrimidine Dimers; Skin Neoplasms; Transcriptome; Ultraviolet Rays	2019
Certain and uncertain malignant potential in melanocytic skin neoplasms. Journal of cutaneous pathology, 2019, Volume: 46, Issue:9 Topics: 5-Methylcytosine; Biomarkers; Humans; Nevus, Pigmented; Skin Neoplasms	2019
Loss of 5-hydroxymethylcytosine and ten-eleven translocation 2 protein expression in malignant melanoma. Melanoma research, 2013, Volume: 23, Issue:3 Topics: 5-Methylcytosine; Biomarkers, Tumor; Cytosine; Dioxygenases; Disease Progression; DNA-Binding Proteins; Epigenomics; Humans; Melanoma; Paraffin Embedding; Proto-Oncogene Proteins; Skin Neoplasms; Translocation, Genetic	2013
5-Hydroxymethylcytosine as a useful marker to differentiate between malignant melanomas and benign melanocytic nevi. Journal of dermatological science, 2014, Volume: 73, Issue:2 Topics: 5-Methylcytosine; Adult; Aged; Aged, 80 and over; Biomarkers; CpG Islands; Cytosine; DNA Methylation; Epigenesis, Genetic; Female; Humans; Keratinocytes; Male; Melanoma; Middle Aged; Nevus, Epithelioid and Spindle Cell; Nevus, Pigmented; Skin Neoplasms	2014
Transposable hypomethylation is associated with metastatic capacity of primary melanomas. International journal of clinical and experimental pathology, 2013, Volume: 6, Issue:12 Topics: 5-Methylcytosine; Adult; CpG Islands; Disease Progression; Disease-Free Survival; DNA Methylation; DNA Transposable Elements; Epigenesis, Genetic; Female; Genetic Predisposition to Disease; Humans; Kaplan-Meier Estimate; Long Interspersed Nucleotide Elements; Male; Melanoma; Middle Aged; Phenotype; Proportional Hazards Models; Risk Factors; Skin Neoplasms; Time Factors; Treatment Outcome; Young Adult	2013
Loss of 5-hydroxymethylcytosine correlates with increasing morphologic dysplasia in melanocytic tumors. Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, 2014, Volume: 27, Issue:7 Topics: 5-Methylcytosine; Adult; Aged; Aged, 80 and over; Cytosine; DNA Methylation; Female; Humans; Male; Melanoma; Middle Aged; Nevus; Precancerous Conditions; Skin Neoplasms; Young Adult	2014
5-Hydroxymethylcytosine expression in metastatic melanoma versus nodal nevus in sentinel lymph node biopsies. Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, 2015, Volume: 28, Issue:2 Topics: 5-Methylcytosine; Adult; Aged; Aged, 80 and over; Biomarkers, Tumor; Cytosine; Female; Fluorescent Antibody Technique; Humans; Immunohistochemistry; Lymph Nodes; Lymphatic Metastasis; Male; Melanoma; Middle Aged; Nevus; Sentinel Lymph Node Biopsy; Skin Neoplasms	2015
5-Hydroxymethylcytosine is a useful marker to differentiate between dermatofibrosarcoma protuberans and dermatofibroma. Journal of the European Academy of Dermatology and Venereology : JEADV, 2016, Volume: 30, Issue:1 Topics: 5-Methylcytosine; Biomarkers, Tumor; Cytosine; Dermatofibrosarcoma; Humans; Skin Neoplasms	2016
Loss of expression of 5-hydroxymethylcytosine in CD30-positive cutaneous lymphoproliferative disorders. Journal of cutaneous pathology, 2014, Volume: 41, Issue:12 Topics: 5-Methylcytosine; Adolescent; Adult; Aged; Aged, 80 and over; Biomarkers, Tumor; Case-Control Studies; Child; Cytosine; Epigenesis, Genetic; Female; Humans; Immunohistochemistry; Ki-1 Antigen; Lymphoma, Primary Cutaneous Anaplastic Large Cell; Lymphomatoid Papulosis; Male; Middle Aged; Retrospective Studies; Skin Neoplasms; Young Adult	2014
Diagnostic utility of 5-hydroxymethylcytosine immunohistochemistry in melanocytic proliferations. Journal of cutaneous pathology, 2015, Volume: 42, Issue:11 Topics: 5-Methylcytosine; Cytosine; Diagnosis, Differential; Humans; Immunohistochemistry; Lymph Nodes; Lymphatic Metastasis; Melanocytes; Melanoma; Nevus, Pigmented; Skin Neoplasms; Tissue Array Analysis	2015
Decreased expression of ten-eleven translocation 2 protein is associated with progressive disease and death in patients with mycosis fungoides. The British journal of dermatology, 2016, Volume: 174, Issue:3 Topics: 5-Methylcytosine; Adult; Aged; Aged, 80 and over; Biomarkers; Dioxygenases; Disease Progression; DNA-Binding Proteins; Female; Humans; Isocitrate Dehydrogenase; Male; Middle Aged; Mycosis Fungoides; Proto-Oncogene Proteins; Skin Neoplasms	2016
Loss of the epigenetic mark, 5-Hydroxymethylcytosine, correlates with small cell/nevoid subpopulations and assists in microstaging of human melanoma. Oncotarget, 2015, Nov-10, Volume: 6, Issue:35 Topics: 5-Methylcytosine; Adolescent; Adult; Aged; Aged, 80 and over; Biomarkers, Tumor; Carcinoma, Small Cell; Cytosine; Epigenomics; Female; Follow-Up Studies; Gene Expression Regulation, Neoplastic; Humans; Immunoenzyme Techniques; Male; Melanoma; Melanoma, Cutaneous Malignant; Middle Aged; Neoplasm Staging; Nevus, Pigmented; Prognosis; Skin Neoplasms; Young Adult	2015
Evaluation of the global DNA methylation in canine mast cell tumour samples by immunostaining of 5-methyl cytosine. Veterinary and comparative oncology, 2017, Volume: 15, Issue:3 Topics: 5-Methylcytosine; Animals; Antibodies, Monoclonal; DNA Methylation; Dog Diseases; Dogs; Mastocytosis, Cutaneous; Skin Neoplasms	2017
5-Hydroxymethylcytosine Expression in Proliferative Nodules Arising within Congenital Nevi Allows Differentiation from Malignant Melanoma. The Journal of investigative dermatology, 2016, Volume: 136, Issue:12 Topics: 5-Methylcytosine; Adult; Analysis of Variance; Biopsy, Needle; Cohort Studies; Diagnosis, Differential; Disease Progression; Dysplastic Nevus Syndrome; Epigenesis, Genetic; Female; Gene Expression Regulation, Neoplastic; Humans; Immunohistochemistry; Male; Melanoma; Melanoma, Cutaneous Malignant; Nevus, Pigmented; Real-Time Polymerase Chain Reaction; Reproducibility of Results; Retrospective Studies; Skin Neoplasms	2016
5-Hydroxymethylcytosine is an independent predictor of survival in malignant melanoma. Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, 2017, Volume: 30, Issue:1 Topics: 5-Methylcytosine; Age Factors; Aged; Female; Humans; Male; Melanoma; Middle Aged; Neoplasm Staging; Prognosis; Retrospective Studies; Skin; Skin Neoplasms; Survival Rate	2017
Attenuation of genome-wide 5-methylcytosine level is an epigenetic feature of cutaneous malignant melanomas. Melanoma research, 2017, Volume: 27, Issue:2 Topics: 5-Methylcytosine; Apoptosis; Cell Line, Tumor; DNA Methylation; DNA, Neoplasm; Epigenesis, Genetic; Genome; Humans; Melanoma; Nevus, Pigmented; S-Adenosylmethionine; Skin Neoplasms	2017
Global methylation of blood leukocyte DNA and risk of melanoma. International journal of cancer, 2017, 04-01, Volume: 140, Issue:7 Topics: 5-Methylcytosine; Aged; Biomarkers, Tumor; Case-Control Studies; DNA Methylation; Female; Genetic Predisposition to Disease; Humans; Leukocytes; Male; Melanoma; Middle Aged; Odds Ratio; Phenotype; Risk Factors; Skin Neoplasms; Skin Pigmentation; Sunlight	2017
5-Hydroxymethylcytosine is a nuclear biomarker to assess biological potential in histologically ambiguous heavily pigmented melanocytic neoplasms. Journal of cutaneous pathology, 2017, Volume: 44, Issue:3 Topics: 5-Methylcytosine; Adult; Aged; Aged, 80 and over; Biomarkers, Tumor; Cohort Studies; Female; Fluorescent Antibody Technique; Humans; Immunohistochemistry; Male; Melanoma; Middle Aged; Nevus, Pigmented; Retrospective Studies; Skin Neoplasms; Young Adult	2017
A mouse skin multistage carcinogenesis model reflects the aberrant DNA methylation patterns of human tumors. Cancer research, 2004, Aug-15, Volume: 64, Issue:16 Topics: 5-Methylcytosine; Animals; Cell Line, Tumor; DNA Methylation; DNA Modification Methylases; DNA, Neoplasm; Gene Expression Regulation, Neoplastic; Gene Silencing; Genes, Tumor Suppressor; Histones; Humans; Insulin-Like Growth Factor Binding Protein 3; LIM Domain Proteins; Mice; Muscle Proteins; Nuclear Proteins; Oligonucleotide Array Sequence Analysis; Skin Neoplasms	2004
Methylation of cottontail rabbit papillomavirus DNA and tissue-specific expression in transgenic rabbits. Virus research, 1995, Volume: 35, Issue:1 Topics: 5-Methylcytosine; Animals; Animals, Genetically Modified; Cottontail rabbit papillomavirus; Cytosine; Deoxyribonuclease HpaII; Deoxyribonucleases, Type II Site-Specific; DNA (Cytosine-5-)-Methyltransferases; DNA, Recombinant; DNA, Viral; Gene Expression Regulation, Neoplastic; Gene Expression Regulation, Viral; Methylation; Microinjections; Organ Specificity; Papilloma; Papillomavirus Infections; Rabbits; Regulatory Sequences, Nucleic Acid; Skin; Skin Neoplasms; Tissue Distribution; Tumor Virus Infections	1995
Sunlight induces pyrimidine dimers preferentially at 5-methylcytosine bases. Cancer research, 1997, Nov-01, Volume: 57, Issue:21 Topics: 5-Methylcytosine; Codon; Cytosine; Genes, p53; Humans; Keratinocytes; Methylation; Mutation; Neoplasms, Radiation-Induced; Pyrimidine Dimers; Skin Neoplasms; Sunlight	1997
Involvement of 5-methylcytosine in sunlight-induced mutagenesis. Journal of molecular biology, 1999, Oct-29, Volume: 293, Issue:3 Topics: 5-Methylcytosine; Animals; Bacterial Proteins; Base Sequence; Cells, Cultured; CpG Islands; Cytosine; DNA Methylation; DNA Mutational Analysis; Escherichia coli Proteins; Fibroblasts; Genes, p53; Humans; Lac Repressors; Mice; Mice, Transgenic; Models, Genetic; Molecular Sequence Data; Mutagenesis; Mutation; Pyrimidine Dimers; Repressor Proteins; Skin Neoplasms; Sunlight; Transgenes; Ultraviolet Rays	1999
5-methylcytosine at HpaII sites in p53 is not hypermutable after UVC irradiation. Mutation research, 1999, Dec-16, Volume: 431, Issue:1 Topics: 5-Methylcytosine; Codon; CpG Islands; Cytosine; Deoxyribonuclease HpaII; DNA Methylation; Humans; Mutation; Skin Neoplasms; Tumor Suppressor Protein p53; Ultraviolet Rays; Yeasts	1999
Similarities in sunlight-induced mutational spectra of CpG-methylated transgenes and the p53 gene in skin cancer point to an important role of 5-methylcytosine residues in solar UV mutagenesis. Journal of molecular biology, 2001, Jan-19, Volume: 305, Issue:3 Topics: 5-Methylcytosine; Animals; Bacterial Proteins; Base Sequence; Cell Line; CpG Islands; Cytosine; DNA Methylation; Escherichia coli Proteins; Fibroblasts; Genes, p53; Humans; Lac Operon; Lac Repressors; Mice; Models, Genetic; Molecular Sequence Data; Mutagenesis; Pyrimidine Dimers; Repressor Proteins; Skin Neoplasms; Sunlight; Transcription Factors; Transgenes; Ultraviolet Rays; Viral Proteins	2001