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Santos RDS, Hirth CG, Pinheiro DP, Bezerra MJB, Silva-Fernandes IJDL, Paula DSD, Alves APNN, Moraes Filho MOD, Moura ADAA, Lima MVA, Pessoa CDÓ, Furtado CLM. HPV infection and 5mC/5hmC epigenetic markers in penile squamous cell carcinoma: new insights into prognostics. Clin Epigenetics 2022; 14:133. [PMID: 36284309 PMCID: PMC9597985 DOI: 10.1186/s13148-022-01360-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 10/09/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Penile cancer is one of the most aggressive male tumors. Although it is preventable, the main etiologic causes are lifestyle behaviors and viral infection, such as human papillomavirus (HPV). Long-term epigenetic changes due to environmental factors change cell fate and promote carcinogenesis, being an important marker of prognosis. We evaluated epidemiological aspects of penile squamous cell carcinoma (SCC) and the prevalence of HPV infection using high-risk HPV (hrHPV) and p16INK4A expression of 224 participants. Global DNA methylation was evaluated through 5-methylcytosine (5mC) and 5-hydroxymethylcytosine (5hmC). RESULTS The incidence of HPV was 53.2% for hrHPV and 22.32% for p16INK4a. hrHPV was not related to systemic or lymph node metastasis and locoregional recurrence, nor influenced the survival rate. P16INK4a seems to be a protective factor for death, which does not affect metastasis or tumor recurrence. Lymph node and systemic metastases and locoregional recurrence increase the risk of death. An increased 5mC mark was observed in penile SCC regardless of HPV infection. However, there is a reduction of the 5hmC mark for p16INK4a + (P = 0.024). Increased 5mC/5hmC ratio (> 1) was observed in 94.2% of penile SCC, irrespective of HPV infection. Despite the increase in 5mC, it seems not to affect the survival rate (HR = 1.06; 95% CI 0.33-3.38). CONCLUSIONS P16INK4a seems to be a good prognosis marker for penile SCC and the increase in 5mC, an epigenetic mark of genomic stability, may support tumor progression leading to poor prognosis.
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Affiliation(s)
- Renan da Silva Santos
- grid.8395.70000 0001 2160 0329Drug Research and Development Center, Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, Brazil
| | | | - Daniel Pascoalino Pinheiro
- grid.8395.70000 0001 2160 0329Drug Research and Development Center, Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, Brazil
| | | | | | - Dayrine Silveira de Paula
- grid.8395.70000 0001 2160 0329Department of Dental Clinic, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Ana Paula Negreiros Nunes Alves
- grid.8395.70000 0001 2160 0329Drug Research and Development Center, Postgraduate Program in Translational Medicine, Federal University of Ceará, Fortaleza, Brazil ,grid.8395.70000 0001 2160 0329Department of Dental Clinic, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, Brazil
| | - Manoel Odorico de Moraes Filho
- grid.8395.70000 0001 2160 0329Drug Research and Development Center, Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, Brazil ,grid.8395.70000 0001 2160 0329Drug Research and Development Center, Postgraduate Program in Translational Medicine, Federal University of Ceará, Fortaleza, Brazil
| | | | - Marcos Venício Alves Lima
- Laboratory of Pathology, Cancer Institute of Ceará, Fortaleza, Brazil ,Laboratory of Molecular Biology and Genetics, Cancer Institute of Ceará, Fortaleza, Brazil
| | - Claudia do Ó Pessoa
- grid.8395.70000 0001 2160 0329Drug Research and Development Center, Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, Brazil
| | - Cristiana Libardi Miranda Furtado
- grid.8395.70000 0001 2160 0329Drug Research and Development Center, Postgraduate Program in Translational Medicine, Federal University of Ceará, Fortaleza, Brazil ,grid.412275.70000 0004 4687 5259Experimental Biology Center, University of Fortaleza, Fortaleza, Brazil
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Bezerra LGP, Souza ALP, Silva HVR, Vasconcelos FR, Moura ADAA, Pereira AF, Oliveira MFD, Silva AR. Ultrastructural description of fresh and frozen/thawed sperm derived from collared peccaries (
Pecari tajacu
Linnaeus, 1,758). Microsc Res Tech 2018; 81:1301-1309. [DOI: 10.1002/jemt.23138] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 09/04/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Luana Grasiele Pereira Bezerra
- Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semiárido – UFERSA Rio Grande do Norte Brazil
| | - Ana Liza Paz Souza
- Post‐Graduation Program in Biotechnology, Universidade Federal do Ceará – UFC Ceará Brazil
| | | | | | | | - Alexsandra Fernandes Pereira
- Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semiárido – UFERSA Rio Grande do Norte Brazil
| | - Moacir Franco de Oliveira
- Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semiárido – UFERSA Rio Grande do Norte Brazil
| | - Alexandre Rodrigues Silva
- Laboratory of Animal Germplasm Conservation, Universidade Federal Rural do Semiárido – UFERSA Rio Grande do Norte Brazil
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Sampaio da Silva AM, Bruno JB, de Lima LF, Ribeiro de Sá NA, Lunardi FO, Ferreira ACA, Vieira Correia HH, de Aguiar FLN, Araújo VR, Lobo CH, de Alencar Araripe Moura A, Campello CC, Smitz J, de Figueiredo JR, Ribeiro Rodrigues AP. Connexin 37 and 43 gene and protein expression and developmental competence of isolated ovine secondary follicles cultured in vitro after vitrification of ovarian tissue. Theriogenology 2016; 85:1457-67. [PMID: 26876055 DOI: 10.1016/j.theriogenology.2016.01.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 12/01/2015] [Accepted: 01/04/2016] [Indexed: 12/25/2022]
Abstract
Cryoinjuries caused by vitrification of tissues and organs lead to the loss of membrane proteins that mediate intercellular communications, such as connexins 37 (Cx37) and 43 (Cx43). Thus, the present study aimed to evaluate ovine Cx37 and Cx43 gene and protein expressions and developmental competence by in vitro-cultured secondary follicles retrieved from vitrified ovarian tissue. Ovarian fragments for the same ovary pair were distributed into six treatments: (1) fresh ovarian tissue (FOT); (2) vitrified ovarian tissue (VOT); (3) isolated follicles from fresh ovarian tissue (FIF); (4) isolated follicles from vitrified ovarian tissue; (5) isolated follicles from fresh ovarian tissue followed by in vitro culture (CFIF); (6) isolated follicles from vitrified ovarian tissue followed by in vitro culture (CVIF). In all treatments, Cx37 and Cx43 gene and protein expression patterns were evaluated by reverse transcription polymerase chain reaction and immunocytochemistry. In addition, secondary follicles were analyzed according to follicular integrity and growth, apoptosis, and cell proliferation. In vitro-cultured secondary follicles (CFIF and CVIF) were evaluated based on morphology (extruded follicles), antrum formation, and viability. The percentage of intact follicles was higher, whereas antrum formation, oocyte extrusion rate, and follicle viability were lower in CVIF than in CFIF treatment (P < 0.05). Terminal deoxynucleotidyl transferase-mediated biotinylated deoxyuridine triphosphates nick end-labeling assay demonstrated that apoptosis was absent in FIF, whereas follicles from all other treatments showed positive labeling. Cell proliferation index was higher in isolated follicles from vitrified ovarian tissue and CVIF treatments than in follicles from FIF. Expression of Cx43 messenger RNA was lower in CVIF treatment when compared with follicles from all other treatments (P < 0.05). Follicle Cx37 messenger RNA levels did not show alterations in any treatment (P > 0.05). Cx37 and Cx43 immunolabeling was localized mainly on granulosa cells and oocytes, respectively. In conclusion, isolation of ovine secondary follicles could be done successfully after vitrification of ovarian tissue, and the basement membrane integrity remained intact after in vitro culture. Although the gene and protein expression of Cx37 did not change after vitrification of ovarian tissue, Cx43 turned out to be altered in secondary follicles after vitrification and in vitro culture.
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Affiliation(s)
| | - Jamily Bezerra Bruno
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceara, Fortaleza, Ceará, Brazil
| | - Laritza Ferreira de Lima
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceara, Fortaleza, Ceará, Brazil
| | | | | | | | | | | | - Valdevane Rocha Araújo
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceara, Fortaleza, Ceará, Brazil
| | - Carlos Henrique Lobo
- Group of Research in Biology of Reproduction, Department of Animal Science, Federal University of Ceará UFC, Fortaleza, Ceará, Brazil
| | - Arlindo de Alencar Araripe Moura
- Group of Research in Biology of Reproduction, Department of Animal Science, Federal University of Ceará UFC, Fortaleza, Ceará, Brazil
| | - Cláudio Cabral Campello
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceara, Fortaleza, Ceará, Brazil
| | - Johan Smitz
- Follicle Biology Laboratory, Center for Reproductive Medicine, UZ Brussel, Brussels, Belgium
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