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SUMI A, CHAMBERS JK, ITO S, KOJIMA K, OMACHI T, DOI M, UCHIDA K. Different expression patterns of p63 and p73 in Felis catus papillomavirus type 2-associated feline Merkel cell carcinomas and other epidermal carcinomas. J Vet Med Sci 2024; 86:39-48. [PMID: 38030281 PMCID: PMC10849848 DOI: 10.1292/jvms.23-0293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 11/16/2023] [Indexed: 12/01/2023] Open
Abstract
Merkel cell carcinoma (MCC) is a cutaneous neuroendocrine tumor, and more than 90% of feline MCC cases test positive for Felis catus papillomavirus type 2 (FcaPV2). In the present study, basal cell markers p40, p63, and p73 and the stem cell marker SOX2 and cytokeratin 14 (CK14) were immunohistochemically examined in normal fetal, infant, and adult feline skin tissues. The expression of these proteins was examined in tumors positive for FcaPV2, including MCC, basal cell carcinoma (BCC), Bowenoid in situ carcinoma (BISC), and squamous cell carcinoma (SCC). Infant and adult feline skin tissues had mature Merkel cells, which were CK14-, CK18+, CK20+, SOX2+, synaptophysin+ and CD56+, while fetal skin tissue had no mature Merkel cells. MCC was immunopositive for p73, CK18, and SOX2 in 32/32 cases, and immunonegative for CK14 in 31/32 cases and for p40 and p63 in 32/32 cases. These results indicate that MCC exhibits different immunophenotypes from Merkel cells (p73-) and basal cells (p40+, p63+, and SOX2-). In contrast, all 3 BCCs, 1 BISC, and 2 SCCs were immunopositive for the basal cell markers p40, p63, and p73. The life cycle of papillomavirus is closely associated with the differentiation of infected basal cells, which requires the transcription factor p63. Changes in p63 expression in FcaPV2-positive MCC may be associated with unique cytokeratin expression patterns (CK14-, CK18+, and CK20+). Furthermore, SOX2 appears to be involved in Merkel cell differentiation in cats, similar to humans and mice.
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Affiliation(s)
- Ayumi SUMI
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - James K CHAMBERS
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Soma ITO
- Nippon Institute for Biological Science, Tokyo, Japan
| | - Kazuhiro KOJIMA
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | | | - Masaki DOI
- Diagnostic Laboratory, Patho-Labo, Shizuoka, Japan
| | - Kazuyuki UCHIDA
- Laboratory of Veterinary Pathology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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Legrand M, Pissaloux D, Tirode F, Tallet A, Collin C, Chantreau PL, Berthon P, Jullie ML, Sohier P, Calonje E, Luzar B, Moulonguet I, Goto K, Cokelaere K, Lamant L, Balme B, Deschamps L, Macagno N, Cribier B, Battistella M, de la Fouchardière A, Kervarrec T. SSTR2A is a diagnostic marker of trichogerminoma. J Eur Acad Dermatol Venereol 2023; 37:e1344-e1347. [PMID: 37421254 DOI: 10.1111/jdv.19319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/27/2023] [Indexed: 07/10/2023]
Affiliation(s)
- Mélanie Legrand
- Department of Pathology, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Daniel Pissaloux
- Department of Biopathology, Center Léon Bérard, Lyon, France
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Equipe Labellisée Ligue contre le Cancer, Lyon, France
| | - Franck Tirode
- Department of Biopathology, Center Léon Bérard, Lyon, France
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Equipe Labellisée Ligue contre le Cancer, Lyon, France
| | - Anne Tallet
- Platform of Somatic Tumor Molecular Genetics, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Christine Collin
- Platform of Somatic Tumor Molecular Genetics, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Paul-Louis Chantreau
- Department of Pathology, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Patricia Berthon
- "Biologie des infections à polyomavirus" team, UMR INRA ISP 1282, Université de Tours, Tours, France
| | - Marie-Laure Jullie
- French Network of Rare Skin Cancers, CARADERM, France
- Department of Pathology, Hôpital Haut-Lévêque, CHU de Bordeaux, Pessac, France, CARADERM network
| | - Pierre Sohier
- French Network of Rare Skin Cancers, CARADERM, France
- Department of Pathology, Hôpital Cochin, AP-HP, AP-HP.Centre - Faculté de Médecine, University Paris Cité, Paris, France
| | - Eduardo Calonje
- Department of Dermatopathology, St John's Institute of Dermatology, St Thomas's Hospital, London, UK
| | - Boštjan Luzar
- Institute of Pathology, Medical Faculty University of Ljubljana, Ljubljana, Slovenia
| | - Isabelle Moulonguet
- Department of Pathology, APHP Hôpital Saint Louis, Université Paris Cité, Paris, France
| | - Keisuke Goto
- Department of Pathology, Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital, Tokyo, Japan
- Department of Diagnostic Pathology, Shizuoka Cancer Center Hospital, Japan
- Department of Diagnostic Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan
- Department of Dermatology, Hyogo Cancer Center, Akashi, Japan
| | | | - Laurence Lamant
- Department of Pathology, CHU Toulouse, Institut Universitaire du Cancer Toulouse Oncopole, Université Toulouse III Paul Sabatier, Toulouse, France
| | - Brigitte Balme
- Department of Pathology, Centre Hospitalier Universitaire de Lyon, Lyon, France
| | - Lydia Deschamps
- Department of Pathology, APHP Bichat Hospital, Paris, France
| | - Nicolas Macagno
- French Network of Rare Skin Cancers, CARADERM, France
- Department of Pathology, Timone University Hospital, Marseille, France
| | - Bernard Cribier
- French Network of Rare Skin Cancers, CARADERM, France
- Dermatology Clinic, Hôpitaux Universitaires & Université de Strasbourg, Hôpital Civil, Strasbourg, France
| | - Maxime Battistella
- French Network of Rare Skin Cancers, CARADERM, France
- Department of Pathology, APHP Hôpital Saint Louis, Université Paris Cité, Paris, France
| | - Arnaud de la Fouchardière
- Department of Biopathology, Center Léon Bérard, Lyon, France
- Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Equipe Labellisée Ligue contre le Cancer, Lyon, France
| | - Thibault Kervarrec
- Department of Pathology, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
- "Biologie des infections à polyomavirus" team, UMR INRA ISP 1282, Université de Tours, Tours, France
- French Network of Rare Skin Cancers, CARADERM, France
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Durand MA, Drouin A, Mouchard A, Durand L, Esnault C, Berthon P, Tallet A, Le Corre Y, Hainaut-Wierzbicka E, Blom A, Saiag P, Beneton N, Bens G, Nardin C, Aubin F, Dinulescu M, Collin C, Fromont-Hankard G, Cribier B, Laurent-Roussel S, Cokelaere K, Houben R, Schrama D, Peixoto P, Hervouet E, Bachiri K, Kantar D, Coyaud E, Guyétant S, Samimi M, Touzé A, Kervarrec T. Distinct Regulation of EZH2 and its Repressive H3K27me3 Mark in Polyomavirus-Positive and -Negative Merkel Cell Carcinoma. J Invest Dermatol 2023; 143:1937-1946.e7. [PMID: 37037414 DOI: 10.1016/j.jid.2023.02.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 02/15/2023] [Accepted: 02/17/2023] [Indexed: 04/12/2023]
Abstract
Merkel cell carcinoma (MCC) is an aggressive skin cancer for which Merkel cell polyomavirus integration and expression of viral oncogenes small T and Large T have been identified as major oncogenic determinants. Recently, a component of the PRC2 complex, the histone methyltransferase enhancer of zeste homolog 2 (EZH2) that induces H3K27 trimethylation as a repressive mark has been proposed as a potential therapeutic target in MCC. Because divergent results have been reported for the levels of EZH2 and trimethylation of lysine 27 on histone 3, we analyzed these factors in a large MCC cohort to identify the molecular determinants of EZH2 activity in MCC and to establish MCC cell lines' sensitivity to EZH2 inhibitors. Immunohistochemical expression of EZH2 was observed in 92% of MCC tumors (156 of 170), with higher expression levels in virus-positive than virus-negative tumors (P = 0.026). For the latter, we showed overexpression of EZHIP, a negative regulator of the PRC2 complex. In vitro, ectopic expression of the large T antigen in fibroblasts led to the induction of EZH2 expression, whereas the knockdown of T antigens in MCC cell lines resulted in decreased EZH2 expression. EZH2 inhibition led to selective cytotoxicity on virus-positive MCC cell lines. This study highlights the distinct mechanisms of EZH2 induction between virus-negative and -positive MCC.
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Affiliation(s)
- Marie-Alice Durand
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France
| | - Aurélie Drouin
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France
| | - Alice Mouchard
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France; Department of Dermatology, CHRU of Tours, University of Tours, Chambray-lès-Tours, France
| | - Laurine Durand
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France
| | - Clara Esnault
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France
| | - Patricia Berthon
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France
| | - Anne Tallet
- Platform of Somatic Tumor Molecular Genetics, CHU of Tours, University of Tours, Tours, France
| | - Yannick Le Corre
- Dermatology Department, CHU of Angers, LUNAM University, Angers, France
| | | | - Astrid Blom
- Department of General and Oncologic Dermatology, Ambroise-Paré Hospital, CARADERM Network, Boulogne-Billancourt, France; Research unit EA 4340, University of Versailles-Saint-Quentin-en-Yvelines, Paris-Saclay University, Boulogne-Billancourt, France
| | - Philippe Saiag
- Department of General and Oncologic Dermatology, Ambroise-Paré Hospital, CARADERM Network, Boulogne-Billancourt, France; Research unit EA 4340, University of Versailles-Saint-Quentin-en-Yvelines, Paris-Saclay University, Boulogne-Billancourt, France
| | - Nathalie Beneton
- Dermatology Department, CHU of Le Mans, University of Le Mans, Le Mans, France
| | - Guido Bens
- Dermatology department, CHR Orleans, Orleans, France
| | - Charlee Nardin
- Dermatology, CHU Besançon, Besançon, France; INSERM 1098, Université Bourgogne Franche-Comté, Besançon, France
| | - François Aubin
- Dermatology, CHU Besançon, Besançon, France; INSERM 1098, Université Bourgogne Franche-Comté, Besançon, France
| | - Monica Dinulescu
- Dermatology department, CHU Rennes, Institut Dermatologique du Grand Ouest (IDGO), Rennes, France
| | - Christine Collin
- Platform of Somatic Tumor Molecular Genetics, CHU of Tours, University of Tours, Tours, France
| | | | - Bernard Cribier
- Dermatology Department, CHU of Strasbourg, University of Strasbourg, Strasbourg, France
| | | | | | - Roland Houben
- Department of Dermatology, Venerology and Allergology, University Hospital of Würzburg, Würzburg, Germany
| | - David Schrama
- Department of Dermatology, Venerology and Allergology, University Hospital of Würzburg, Würzburg, Germany
| | - Paul Peixoto
- INSERM, EFS-BFC, UMR 1098 RIGHT, University Bourgogne-Franche-Comté, Besançon, France; EPIgenetics and GENe Expression Technical Platform (EPIGENExp), University Bourgogne Franche-Comté, Besançon, France
| | - Eric Hervouet
- INSERM, EFS-BFC, UMR 1098 RIGHT, University Bourgogne-Franche-Comté, Besançon, France; EPIgenetics and GENe Expression Technical Platform (EPIGENExp), University Bourgogne Franche-Comté, Besançon, France
| | - Kamel Bachiri
- Department of Biology, Inserm U1192, Protéomique Réponse Inflammatoire Spectrométrie de Masse-PRISM, CHU Lille, Université de Lille, Lille, France
| | - Diala Kantar
- Department of Biology, Inserm U1192, Protéomique Réponse Inflammatoire Spectrométrie de Masse-PRISM, CHU Lille, Université de Lille, Lille, France
| | - Etienne Coyaud
- Department of Biology, Inserm U1192, Protéomique Réponse Inflammatoire Spectrométrie de Masse-PRISM, CHU Lille, Université de Lille, Lille, France
| | - Serge Guyétant
- Pathology Department, CHU of Tours, University of Tours, Tours, France; Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France
| | - Mahtab Samimi
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France; Department of Dermatology, CHRU of Tours, University of Tours, Chambray-lès-Tours, France
| | - Antoine Touzé
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France
| | - Thibault Kervarrec
- Team "Biologie des Infections à Polyomavirus", ISP UMR 1282, INRAE, University of Tours, Tours, France; Pathology Department, CHU of Tours, University of Tours, Tours, France.
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Öğüt B, Bayram EK, İnan MA, Kestel S, Erdem Ö. Association of Merkel Cell Polyomavirus Status With p53, RB1, and PD-L1 Expression and Patient Prognosis in Merkel Cell Carcinomas: Clinical, Morphologic, and Immunohistochemical Evaluation of 17 Cases. Appl Immunohistochem Mol Morphol 2023:00129039-990000000-00100. [PMID: 37126387 DOI: 10.1097/pai.0000000000001127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 03/27/2023] [Indexed: 05/02/2023]
Abstract
BACKGROUND Merkel cell carcinoma (MCC) is a rare, aggressive, primary neuroendocrine carcinoma of the skin whose main risk factors are immunosuppression, UV radiation exposure, and Merkel cell polyomavirus. Programmed death-1/programmed death ligand-1 (PD-L1)-based immunotherapy is currently the first choice for treating patients with metastatic MCC. METHODS MCC biopsies (17) were evaluated for their nucleus and cytoplasm characteristics and growth patterns, as well as for intratumor lymphocytes, mitotic number, and lymphovascular invasion. Paraffin-embedded tissue samples of the biopsies were stained with MCPyV large T-antigen (LTag), RB1, p53, and PD-L1. RESULTS We observed MCPyV LTag expression in 9 out of the 17 tumors, and all 9 cases were positive for RB1 (P<0.000). p53 staining was not significantly correlated with MCPyV LTag. We observed no relationship between p53 expression and any other parameters, and PD-L1 expression was low in the MCC samples. We evaluated PD-L1 using both the combined positive score and tumor proportion score (TPS), and found that TPS was correlated with MCPyV LTag expression (P=0.016). Tumors with tumor-infiltrating lymphocytes showed a better prognosis than those without these lymphocytes (P=0.006). DISCUSSION Our data demonstrated that RB1 was effective for immunohistochemically investigating the MCPyV status of tumors. TPS was superior to the combined positive score in evaluating PD-L1 in MCC. Tumor-infiltrating lymphocytes were the only parameters that were associated with survival. Further studies with larger series are required to confirm these results.
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Affiliation(s)
- Betül Öğüt
- Department of Pathology, Faculty of Medicine, Gazi University, Ankara, Turkey
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Legrand M, Tallet A, Guyétant S, Samimi M, Ortonne N, Kervarrec T. CD5 expression in Merkel cell carcinoma and extracutaneous neuroendocrine carcinomas. Pathology 2023; 55:141-143. [PMID: 35835644 DOI: 10.1016/j.pathol.2022.04.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/13/2022] [Accepted: 04/26/2022] [Indexed: 01/24/2023]
Affiliation(s)
- Mélanie Legrand
- Department of Pathology, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Anne Tallet
- Platform of Somatic Tumor Molecular Genetics, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Serge Guyétant
- Department of Pathology, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France; Platform of Somatic Tumor Molecular Genetics, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France; Biologie des Infections à Polyomavirus Team, UMR INRA ISP 1282, Université de Tours, Tours, France
| | - Mahtab Samimi
- Biologie des Infections à Polyomavirus Team, UMR INRA ISP 1282, Université de Tours, Tours, France; Department of Dermatology, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France
| | - Nicolas Ortonne
- Department of Pathology, Hopital Henri-Mondor, APHP, Créteil, France; CARADERM Network, France
| | - Thibault Kervarrec
- Department of Pathology, Université de Tours, Centre Hospitalier Universitaire de Tours, Tours, France; Biologie des Infections à Polyomavirus Team, UMR INRA ISP 1282, Université de Tours, Tours, France; CARADERM Network, France.
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