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Dos Santos GA, Viana NI, Pimenta R, de Camargo JA, Guimaraes VR, Romão P, Candido P, Dos Santos VG, Ghazarian V, Reis ST, Leite KRM, Srougi M. Upregulation of shelterin and CST genes and longer telomeres are associated with unfavorable prognostic characteristics in prostate cancer. Cancer Genet 2024; 284-285:20-29. [PMID: 38503134 DOI: 10.1016/j.cancergen.2024.03.006] [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: 10/04/2023] [Revised: 02/20/2024] [Accepted: 03/14/2024] [Indexed: 03/21/2024]
Abstract
INTRODUCTION Search for new clinical biomarkers targets in prostate cancer (PC) is urgent. Telomeres might be one of these targets. Telomeres are the extremities of linear chromosomes, essential for genome stability and control of cell divisions. Telomere homeostasis relies on the proper functioning of shelterin and CST complexes. Telomeric dysfunction and abnormal expression of its components are reported in most cancers and are associated with PC. Despite this, there are only a few studies about the expression of the main telomere complexes and their relationship with PC progression. We aimed to evaluate the role of shelterin (POT1, TRF2, TPP1, TIN2, and RAP1) and CST (CTC1, STN1, and TEN1) genes and telomere length in the progression of PC. METHODS We evaluated genetic alterations of shelterin and CST by bioinformatics in samples of localized (n = 499) and metastatic castration-resistant PC (n = 444). We also analyzed the expression of the genes using TCGA (localized PC n = 497 and control n = 152) and experimental approaches, with surgical specimens (localized PC n = 81 and BPH n = 10) and metastatic cell lines (LNCaP, DU145, PC3 and PNT2 as control) by real-time PCR. Real-time PCR also determined the telomere length in the same experimental samples. All acquired data were associated with clinical parameters. RESULTS Genetic alterations are uncommon in PC, but POT1, TIN2, and TEN1 showed significantly more amplifications in the metastatic cancer. Except for CTC1 and TEN1, which are differentially expressed in localized PC samples, we did not detect an expression pattern relative to control and cell lines. Nevertheless, except for TEN1, the upregulation of all genes is associated with a worse prognosis in localized PC. We also found that increased telomere length is associated with disease aggressiveness in localized PC. CONCLUSION The upregulation of shelterin and CST genes creates an environment that favors telomere elongation, giving selective advantages for localized PC cells to progress to more aggressive stages of the disease.
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Affiliation(s)
- Gabriel Arantes Dos Santos
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil.
| | - Nayara I Viana
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil; Minas Gerais State University (UEMG), Passos, Minas Gerais, Brazil
| | - Ruan Pimenta
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil; D'Or Institute for Research and Education (IDOR), Sao Paulo, Brazil
| | - Juliana Alves de Camargo
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Vanessa R Guimaraes
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Poliana Romão
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Patrícia Candido
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Vinicius Genuino Dos Santos
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Vitória Ghazarian
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Sabrina T Reis
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil; Minas Gerais State University (UEMG), Passos, Minas Gerais, Brazil
| | - Katia Ramos Moreira Leite
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Miguel Srougi
- Laboratory of Medical Investigation (LIM55), Urology Department, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil; D'Or Institute for Research and Education (IDOR), Sao Paulo, Brazil
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Xie Y, Lyu T, Wang J, Zou Y. Liver metastasis of small cell neuroendocrine prostate carcinoma. Dig Liver Dis 2024; 56:369-370. [PMID: 38042637 DOI: 10.1016/j.dld.2023.11.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 12/04/2023]
Affiliation(s)
- Yong Xie
- Department of Interventional Radiology and Vascular Surgery, Peking University First Hospital, Beijing, China
| | - Tianshi Lyu
- Department of Interventional Radiology and Vascular Surgery, Peking University First Hospital, Beijing, China
| | - Jian Wang
- Department of Interventional Radiology and Vascular Surgery, Peking University First Hospital, Beijing, China.
| | - Yinghua Zou
- Department of Interventional Radiology and Vascular Surgery, Peking University First Hospital, Beijing, China.
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Tsatsakis A, Oikonomopoulou T, Nikolouzakis TK, Vakonaki E, Tzatzarakis M, Flamourakis M, Renieri E, Fragkiadaki P, Iliaki E, Bachlitzanaki M, Karzi V, Katsikantami I, Kakridonis F, Hatzidaki E, Tolia M, Svistunov AA, Spandidos DA, Nikitovic D, Tsiaoussis J, Berdiaki A. Role of telomere length in human carcinogenesis (Review). Int J Oncol 2023; 63:78. [PMID: 37232367 PMCID: PMC10552730 DOI: 10.3892/ijo.2023.5526] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 05/11/2023] [Indexed: 05/27/2023] Open
Abstract
Cancer is considered the most important clinical, social and economic issue regarding cause‑specific disability‑adjusted life years among all human pathologies. Exogenous, endogenous and individual factors, including genetic predisposition, participate in cancer triggering. Telomeres are specific DNA structures positioned at the end of chromosomes and consist of repetitive nucleotide sequences, which, together with shelterin proteins, facilitate the maintenance of chromosome stability, while protecting them from genomic erosion. Even though the connection between telomere status and carcinogenesis has been identified, the absence of a universal or even a cancer‑specific trend renders consent even more complex. It is indicative that both short and long telomere lengths have been associated with a high risk of cancer incidence. When evaluating risk associations between cancer and telomere length, a disparity appears to emerge. Even though shorter telomeres have been adopted as a marker of poorer health status and an older biological age, longer telomeres due to increased cell growth potential are associated with the acquirement of cancer‑initiating somatic mutations. Therefore, the present review aimed to comprehensively present the multifaceted pattern of telomere length and cancer incidence association.
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Affiliation(s)
- Aristidis Tsatsakis
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
| | - Tatiana Oikonomopoulou
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
- Department of Anatomy, School of Medicine, University of Crete, 71003 Heraklion
| | - Taxiarchis Konstantinos Nikolouzakis
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
- Department of Anatomy, School of Medicine, University of Crete, 71003 Heraklion
| | - Elena Vakonaki
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
| | - Manolis Tzatzarakis
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
| | | | - Elisavet Renieri
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
| | | | - Evaggelia Iliaki
- Laboratory of Microbiology, University Hospital of Heraklion, 71500 Heraklion
| | - Maria Bachlitzanaki
- Department of Medical Oncology, Venizeleion General Hospital of Heraklion, 71409 Heraklion
| | - Vasiliki Karzi
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
| | - Ioanna Katsikantami
- Laboratory of Toxicology, School of Medicine, University of Crete, 71003 Heraklion
| | - Fotios Kakridonis
- Department of Spine Surgery and Scoliosis, KAT General Hospital, 14561 Athens
| | - Eleftheria Hatzidaki
- Department of Neonatology and Neonatal Intensive Care Unit (NICU), University Hospital of Heraklion, 71500 Heraklion
| | - Maria Tolia
- Department of Radiation Oncology, University Hospital of Crete, 71110 Heraklion, Greece
| | - Andrey A. Svistunov
- Department of Pharmacology, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russia
| | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, School of Medicine, University of Crete, 71003 Heraklion, Greece
| | - Dragana Nikitovic
- Laboratory of Histology-Embryology, School of Medicine, University of Crete, 71003 Heraklion, Greece
| | - John Tsiaoussis
- Department of Anatomy, School of Medicine, University of Crete, 71003 Heraklion
| | - Aikaterini Berdiaki
- Laboratory of Histology-Embryology, School of Medicine, University of Crete, 71003 Heraklion, Greece
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Rybicki BA, Sadasivan SM, Chen Y, Loveless I, Gupta NS, Chitale DA, Williamson SR, Rundle AG, Tang DL. Race Differences in Telomere Length in Benign Prostate Biopsies and Subsequent Risk of Prostate Cancer. Cancer Epidemiol Biomarkers Prev 2022; 31:991-998. [PMID: 35247880 DOI: 10.1158/1055-9965.epi-21-1221] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 01/31/2022] [Accepted: 03/01/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Telomere shortening is linked to aging and may be associated with increased risk for cancer. Most cancer studies have used telomere length in leukocytes rather than in the target tissue of cancer origin. METHODS A case-control study of 524 case-control pairs with a benign prostate biopsy nested within a historical cohort of 10,478 men was conducted to determine whether premalignant prostate telomere length (assessed using a modified qRT-PCR) is associated with prostate cancer risk. RESULTS Telomere lengths in benign prostate biopsies of cases versus controls were similar (1.46 ± 0.38 vs. 1.45 ± 0.42; P = 0.49). African American (AA) men had significantly shorter telomeres compared with White men (1.51 ± 0.38 vs. 1.63 ± 0.39; P < 0.0001). In race-stratified analyses, increasing telomere length was more strongly associated with prostate cancer risk in White men, wherein those with telomere length in the highest quartile had 1.9-fold greater adjusted risk of prostate cancer compared with men with prostate telomere lengths in the lowest quartile [OR = 1.90; 95% confidence interval (CI) = 1.08-3.36]. Men in the highest telomere length quartile also had a greater risk of aggressive prostate cancer compared with men with telomere lengths in the lowest quartile (OR = 2.78; 95% CI = 1.25-6.19). CONCLUSIONS White men have longer telomeres in benign prostate tissue compared with AA men, and those with the longest telomeres may be at increased risk for prostate cancer, particularly the more aggressive form of the disease. IMPACT Race-specific telomere length measures may be an early biomarker of aggressive prostate cancer.
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Affiliation(s)
- Benjamin A Rybicki
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, Michigan
| | - Sudha M Sadasivan
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, Michigan
| | - Yalei Chen
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, Michigan
| | - Ian Loveless
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, Michigan
| | - Nilesh S Gupta
- Department of Pathology, Henry Ford Hospital, Detroit, Michigan
| | | | | | - Andrew G Rundle
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York
| | - Deliang L Tang
- Department of Environmental Heath Sciences, Mailman School of Public Health, Columbia University, New York, New York
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Arantes Dos Santos G, Viana NI, Pimenta R, Reis ST, Ramos Moreira Leite K, Srougi M. Hypothesis: The triad androgen receptor, zinc finger proteins and telomeres modulates the global gene expression pattern during prostate cancer progression. Med Hypotheses 2021; 150:110566. [PMID: 33799157 DOI: 10.1016/j.mehy.2021.110566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/19/2021] [Accepted: 03/09/2021] [Indexed: 01/11/2023]
Abstract
Currently, the biggest challenge for prostate cancer (PCa) is to understand the mechanism by which the disease acquires the castration-resistant phenotype and progresses to a fatal disease. PCa has a high genetic heterogeneity, and cannot be separated into well-defined molecular subtypes. Despite this, there is consensus about the role of the androgen receptor (AR) in all stages of the disease, including the transition to the castration-resistant phenotype. Since AR is a transcription factor, we investigated the possibility of PCa presenting a pattern of global gene expression during disease progression. By analyzing the TCGA and CCLE datasets, we were able to find a pattern of waves of genes being expressed during each stage of disease progression. This phenomenon suggests the existence of a mechanism that globally regulates gene expression, being AR, telomeres, and zinc finger proteins (ZNF), three important players. The AR modulates the telomere biology, and its transcription is regulated by ZNF. Recently, a study suggested that the telomere length might influence the expression of ZNF. Thus, we hypothesized that changes in the triad AR, telomeres, and ZNF control gene expression during the progression of PCa.
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Affiliation(s)
- Gabriel Arantes Dos Santos
- Urology Department, Laboratory of Medical Investigation (LIM55), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil; D'Or Institute for Research and Education (IDOR), Sao Paulo, SP, Brazil.
| | - Nayara Izabel Viana
- Urology Department, Laboratory of Medical Investigation (LIM55), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Ruan Pimenta
- Urology Department, Laboratory of Medical Investigation (LIM55), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil; D'Or Institute for Research and Education (IDOR), Sao Paulo, SP, Brazil
| | - Sabrina T Reis
- Urology Department, Laboratory of Medical Investigation (LIM55), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil; Athens University Center (UniAtenas), Passos, MG, Brazil; Minas Gerais State University (UEMG), Passos, MG, Brazil
| | - Katia Ramos Moreira Leite
- Urology Department, Laboratory of Medical Investigation (LIM55), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Miguel Srougi
- Urology Department, Laboratory of Medical Investigation (LIM55), Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil; D'Or Institute for Research and Education (IDOR), Sao Paulo, SP, Brazil
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