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El azzouzi M, El ahanidi H, Hafidi Alaoui C, Chaoui I, Benbacer L, Tetou M, Hassan I, Bensaid M, Oukabli M, Ameur A, Al bouzidi A, El mzibri M, Attaleb M. Exploring urine sediments as a non-invasive method for DNA methylation detection in bladder cancer. Afr J Urol 2022. [DOI: 10.1186/s12301-022-00298-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The main epigenetic event occurring during the bladder carcinogenesis process is DNA methylation, affecting genes involved in various metabolic pathways and cell regulation. The use of biological fluids such as urine sediments could be used as a non-invasive approach to enhance bladder cancer management. In this study, we aim to determine the promoter methylation status of a panel of genes in bladder cancer on tumor biopsies and urine sediments to evaluate the usefulness of urine samples as a non-invasive approach for methylation status assessment.
Methods
Using the methylation-specific PCR technique, we explored the promoter methylation status of hTERT, TWIST1, VIM and NID2 genes in 40 tumor biopsies and their paired urine samples from Moroccan bladder cancer patients.
Results
In this study, bladder tumors showed promoter hypermethylation frequency of individual genes as 90%, 85%, 62.5% and 72.5% in TWIST1, hTERT, NID2 and VIM genes, respectively.
Interestingly, the specificity of methylation detection in urine samples was 100% and the sensitivity to detect hypermethylation of TWIST1, hTERT, NID2 and VIM genes reached 91.7%; 97.1%; 84% and 82.8%, respectively.
Conclusions
Our results clearly show that the assessment of promoter hypermethylation in urine samples is highly specific and has high sensitivity. Furthermore, urine sediments would be a useful approach to detect the DNA methylation status of genes and its potential association with bladder cancer development.
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El Azzouzi M, El Ahanidi H, Hafidi Alaoui C, Chaoui I, Benbacer L, Tetou M, Hassan I, Bensaid M, Oukabli M, Ameur A, Al Bouzidi A, El Mzibri M, Attaleb M. Evaluation of DNA methylation in promoter regions of hTERT, TWIST1, VIM and NID2 genes in Moroccan bladder cancer patients. Cancer Genet 2021; 260-261:41-45. [PMID: 34922269 DOI: 10.1016/j.cancergen.2021.12.001] [Citation(s) in RCA: 3] [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: 07/16/2021] [Revised: 11/08/2021] [Accepted: 12/05/2021] [Indexed: 12/11/2022]
Abstract
Promoter hypermethylation have been reported to play a key role in bladder cancer development and progression. The aim of this study is to evaluate the methylation status of hTERT, TWIST1, VIM and NID2 genes in bladder cancer. The methylation status was evaluated using the Methylation-Specific PCR (MSP) approach on 70 tumour biopsies from Moroccan bladder cancer patients. Overall, methylation frequencies of hTERT, TWIST1, VIM and NID2 genes, were 90%, 85.71%, 67.14% and 67.14%, respectively. Hypermethylation of all studied genes was found in all pathological grades and stages of bladder cancer. Nevertheless, statistical analysis showed no significant association between promoter methylation of hTERT, TWIST1, VIM and NID2 genes and tumours stage/grade (p value >0.05). Moreover, we have investigated the association between the methylation pattern of selected genes and the treatment outcome in a sub-group of non-muscle-invasive bladder cancer cases (52/70). Hypermethylation of hTERT, TWIST1, VIM and NID2 was detected in 83.34%; 66.67%; 83.34% and 58.34% of recurrent cases, respectively, and in 80%; 80%; 80% and 60% of progressive cases, respectively. Statistical analysis highlighted a significant association between TWIST1 hypermethylation and tumour recurrence (p = 0.041<0.05). Our results indicate that hypermethylation of hTERT, TWIST1, VIM and NID2 genes is a frequent epigenetic event in bladder cancer and could be a promising therapeutic target to prevent bladder cancer progression and metastasis.
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Affiliation(s)
- Meryem El Azzouzi
- Biology and Medical Research Unit, CNESTEN, Rabat, Morocco; Faculty of Medicine and Pharmacy of Rabat. Mohammed V University in Rabat, Rabat, Morocco
| | - Hajar El Ahanidi
- Biology and Medical Research Unit, CNESTEN, Rabat, Morocco; Faculty of Medicine and Pharmacy of Rabat. Mohammed V University in Rabat, Rabat, Morocco
| | - Chaimae Hafidi Alaoui
- Biology and Medical Research Unit, CNESTEN, Rabat, Morocco; Faculty of Sciences, Mohammed V University in Rabat, Rabat, Morocco
| | - Imane Chaoui
- Biology and Medical Research Unit, CNESTEN, Rabat, Morocco
| | - Laila Benbacer
- Biology and Medical Research Unit, CNESTEN, Rabat, Morocco
| | | | | | | | - Mohamed Oukabli
- Faculty of Medicine and Pharmacy of Rabat. Mohammed V University in Rabat, Rabat, Morocco; Mohammed V Military Hospital, Rabat, Morocco
| | - Ahmed Ameur
- Faculty of Medicine and Pharmacy of Rabat. Mohammed V University in Rabat, Rabat, Morocco; Mohammed V Military Hospital, Rabat, Morocco
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Boukhlifi Y, Tetou M, Mrabti M, Jendouzi O, Hamdoune L, Ameur A, Alami M. Facteurs prédictifs de soins et évolution dans la Cystite Radique (CR): résultats de notre expérience. Prog Urol 2021. [DOI: 10.1016/j.purol.2021.08.177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Boukhlifi Y, N’Douro A, Mrabti M, Tetou M, Hassan I, Hamdoune L, Jamali M, Condé F, Jendouzi O, Ameur A, Alami M. Les facteurs prédictifs de tumeur résiduelle dans la seconde résection transrectale des tumeurs de vessie n’infiltrants pas le muscle vésical (TVNIM) classées T1 de haut grade. Prog Urol 2021. [DOI: 10.1016/j.purol.2021.08.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Tetou M, Boukhlifi Y, Mrabti M, Hassan I, Hamedoun L, Khdach Y, Elhouadfi O, Mghari AE, Jendouzi O, Bahri A, Alami M, Ameur A. Intérêt de drainage des cavités rénales avant la scintigraphie rénale au DMSA (acide 2,3-dimercaptosuccinique) : résultats préliminaires. Prog Urol 2020. [DOI: 10.1016/j.purol.2020.07.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Boukhlifi Y, Jendouzi O, Tetou M, Janane A, Ameur A, Alami M, Khdach Y. La nécessité d’un retraitement après lithotripsie extracorporelle (LEC) par ondes de choc. Les facteurs prédictifs. Conception des groupes à risque. Prog Urol 2020. [DOI: 10.1016/j.purol.2020.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Boukhlifi Y, Tetou M, Jendouzi O, Hamdoune L, Mrabti M, Janane A, Ameur A, Alami M. La néphrolithotomie percutanée : est-il possible de prédire le risque de complications infectieuses lors de la consultation thérapeutique (proposition du geste) ? Prog Urol 2020. [DOI: 10.1016/j.purol.2020.07.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Mrabti M, Jendouzi O, Khdach Y, Boukhlifi Y, Tetou M, João Peti Â, El Bahri A, Alami M, Ameur A. Comparison between retrograde intrarenal surgery and percutaneous nephrolithotomy in the management of 20 - 30 mm renal stones. EUR UROL SUPPL 2020. [DOI: 10.1016/s2666-1683(20)33860-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Hassan I, Hamedoun L, Tetou M, Mrabti M, Alami M, Ameur A. Three simultaneous primary urologic malignancies iA single patient: A case report and review of the literature. Int J Surg Case Rep 2020; 76:501-504. [PMID: 33207419 PMCID: PMC7596010 DOI: 10.1016/j.ijscr.2020.10.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 11/21/2022] Open
Abstract
The diagnosis of primary malignant tumors is increasingly described with the improvement of life expectancy and the advent of new technologies. The management must be multidisciplinary and adapted to the condition of each patient. This entity affects elderly people with many comorbidities. Treatment should be the least aggressive and start with the most aggressive tumor. The elderly, a family history of neoplasia and smoking appear to be the factors favoring the appearance of multiple synchronous tumors. Our patient was an elderly person and a heavy smoker
Introduction The simultaneous appearance of several primary cancers is rare. Presentation We report the case of a 77-year-old man admitted to the Mohammed V military hospital in Rabat (university hospital) and presenting severe dysuria on the PSA test which was 10.83 ng / ml. The prostate MRI performed revealed a suspected lesion. He had left renal colic associated with hematuria two weeks later. A CT scan of the abdomen and pelvis performed revealed a 14 × 12 mm middle and lower calyx excretory tract tumor on the left and a 27.6 × 26.4 lower right polar kidney tumor enhanced after injection of product from contrast. The prostate biopsy confirmed an adenocarcinoma of the prostate. He first underwent a left nephroureterectomy for the tumor of the excretory tract, followed by radiotherapy combined with hormone therapy for his adenocarcinoma. It was decided to monitor the tumor of the right kidney. Discussion The literature contains only a few case reports and reviews of patients with three or more synchronous malignancies. We report the case of a man in whom three different cancers were found over a period of three months. The patient had no significant medical history, such as a family history of cancer or chemotherapy other than old age and chronic smoking. Therefore, we suggest that these factors may favor the occurrence of several synchronous primary cancers. Conclusion There is no consensus on the treatment of multiple malignant tumors. Patient care is individual, by a multidisciplinary team, accounting for the type and the stage of each tumor with a more conservative approach.
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Boukhlifi Y, Tetou M, Djere Tayiri A, Lahrech Y, Janane A, Alami M, Ameur A. L’abus sexuel : un élément méconnu dans la genèse des troubles vésicosphinctériens. Prog Urol 2019. [DOI: 10.1016/j.purol.2019.08.212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Dehayni Y, Tetou M, Khdach Y, Janane A, Alami M, Ameur A. [Prognostic of older age for patients with invasive-muscle-bladder cancer and treated by radical cystectomy]. Prog Urol 2018; 28:166-172. [PMID: 29329898 DOI: 10.1016/j.purol.2017.12.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 05/02/2017] [Revised: 11/29/2017] [Accepted: 12/07/2017] [Indexed: 10/18/2022]
Abstract
INTRODUCTION Bladder tumor is a disease of older persons, but can also occur in young adults, because certainly an influence of environmental factors and a change of lifestyle. The aim of our retrospective analysis is to assess and evaluate the extent of the prognostic impact of age on the carcinological prognosis of invasive-muscle-bladder cancer treated by total cystotomy. METHODS To evaluate the association of patient age with pathological characteristics and recurrence-free and disease survival, we retrospectively reviewed 345 patients with invasive bladder cancer between January 2000 and January 2015. RESULTS We divided our patients into two groups: patients under 65 years of age=150 cases (group 1), patients aged 65 years and over=195 cases (group 2). The 3-year survival rates for patients according to the age groups were 88% and 64% respectively, end the recurrence-free survival 66% and 28%. When age was analysed as a categorical variable, was associated with hydronephrosis (P=0.001), advanced pathological stage (P=0.034), high grade (P=0.026), nodal involvement (P=0.011) and lymphovascular invasion (P=0.008). The multivariate Cox model analysis showed that hydronephrosis and pathological stage was prognostic factors of survival (P=0.012 and P=0.035, respectively). Higher age is significantly associated with the risk of pathologically advanced disease and poorer global survival. CONCLUSION This work allowed us to assert that advanced chronological age is significantly associated with an advanced pathological stage of the disease (volume, pT, grade, lymph nodes) and a low overall survival rate. This could be useful for selecting subjects who would require adjuvant therapy, as well as for planning early complementary therapies. LEVEL OF EVIDENCE 3.
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Affiliation(s)
- Y Dehayni
- Service d'urologie de l'hôpital militaire d'instruction Mohamed V, Rabat, Maroc.
| | - M Tetou
- Service d'urologie de l'hôpital militaire d'instruction Mohamed V, Rabat, Maroc
| | - Y Khdach
- Service d'urologie de l'hôpital militaire d'instruction Mohamed V, Rabat, Maroc
| | - A Janane
- Service d'urologie de l'hôpital militaire d'instruction Mohamed V, Rabat, Maroc
| | - M Alami
- Service d'urologie de l'hôpital militaire d'instruction Mohamed V, Rabat, Maroc
| | - A Ameur
- Service d'urologie de l'hôpital militaire d'instruction Mohamed V, Rabat, Maroc
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