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'induced': [103], 'all': [105, 151, 267], 'layers': [107, 128], 'no': [109], 'skin.': [113, 138, 160], 'Likewise,': [114], 'gap-junctional': [116], 'protein': [117], 'connexin': [118], '26': [119], '(Cx26)': [120], 'highly': [122], 'differentiated': [126], 'granular': [127], 'relative': [132], 'undetectable': [134], 'Expression': [139], 'cyclin': [141, 276], 'D1': [142, 277], 'proliferative': [145], 'cell': [146, 240], 'compartment': [147], 'seen': [149, 186], 'benign': [152], 'malignant': [154], 'but': [156], 'not': [157], 'Beginning': [161], 'with': [162], 'very': [163], 'early': [164], 'papillomas': [165, 221], '(after': [166, 191], '10': [167], 'wk': [168], 'promotion),': [170], 'small,': [178], 'focal': [179, 194, 287], '13': [183], '(K13)': [184], 'some': [188, 219], 'tumors.': [189], 'Later': [190], '20–30': [192], 'wk),': [193, 223], 'areas': [195], 'γ-glutamyl': [197], 'transpeptidase': [198], '(GGT)': [199], 'activity': [200], 'appeared': [201], 'a': [203, 252], 'few': [204], 'papillomas,': [205], 'TGFβ1': [207], 'began': [209], 'decrease.': [211], 'Cx26': [212, 260], 'patchier': [217], 'late-stage': [220], '(30–40': [222], 'α6β4,': [226], 'K13,': [227], 'GGT': [229, 290], 'progressively': [231], 'increased': [232], 'K1': [234, 250], 'decreased.': [236], 'Finally,': [237], 'squamous': [239], 'carcinomas': [241], '(SCCs),': [242], 'there': [243], 'an': [245], 'almost': [246, 266], 'complete': [247], 'loss': [248], 'further': [253], 'decline': [254], 'TGFα,': [256], 'HB-EGF,': [257], 'TGFβ1,': [258], 'expression.': [261], 'On': [262], 'other': [264], 'hand,': [265], 'SCCs': [268], 'showed': [269, 285], 'widespread': [275], 'K13': [279], 'expression,': [280], 'about': [283], 'half': [284], 'positive': [286], 'activity.': [291], 'Mol.': [292], 'Carcinog.': [293], '20:125–136,': [294], '1997.': [295], '©': [296], '1997': [297], 'Wiley-Liss,': [298], 'Inc.': [299]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4302766737', 'counts_by_year': [{'year': 2020, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-09-25T16:28:18.662842', 'created_date': '2022-10-07'}