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Sabry RM, Mahmoud SA, Abdelmagid MS, Abdellatif Mahmoud S, Yassin Ahmed Y. Caveolin-1's dual impact on endometrioid endometrial carcinoma: a histopathological and immunohistochemical study. J Immunoassay Immunochem 2024; 45:325-341. [PMID: 38627940 DOI: 10.1080/15321819.2024.2342825] [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] [Indexed: 07/06/2024]
Abstract
The objectives of this study are to evaluate caveolin-1 expression in endometrioid endometrial cancer and its correlation with clinicopathological parameters. Forty-four cases of endometrioid endometrial carcinomas underwent radical hysterectomy. The archived paraffin sections that were stained for caveolin-1 by immunohistochemistry, caveolin-1 expression were detected in cancerous epithelial cells in 18.2% of the cases, and stromal caveolin-1 was detected in 65.9% of the cases. Caveolin-1 expression in the epithelium showed a significant positive association with the T stage and the FIGO stage. Positive caveolin-1 expression in epithelium has a direct, positive and significant relationship with invasion of other organs and a direct and significant relationship with the advanced FIGO stage. As for caveolin-1 expression in the stroma, it showed a significant negative inversely significant association with myometrial invasion. Also, there is a significant negative association between caveolin-1 expression in the epithelium and its expression in the stroma. We conclude that caveolin-1 expression strongly plays a critical role in endometrioid endometrial carcinoma as a tumor suppressor or promoter of invasion. In early lesions, high stromal levels appear to be protective against progression. While decreased stromal expression and increased epithelial expression were associated with aggressive tumors.
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Affiliation(s)
- Rania Mohamed Sabry
- Department of Anatomic Pathology, Faculty of Medicine Kasralainy, Cairo University, Giza, Egypt
| | - Samira Abdallah Mahmoud
- Department of Anatomic Pathology, Faculty of Medicine Kasralainy, Cairo University, Giza, Egypt
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2
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The prognosis of lipid reprogramming with the HMG-CoA reductase inhibitor, rosuvastatin, in castrated Egyptian prostate cancer patients: Randomized trial. PLoS One 2022; 17:e0278282. [PMID: 36480560 PMCID: PMC9731457 DOI: 10.1371/journal.pone.0278282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 10/24/2022] [Indexed: 12/13/2022] Open
Abstract
AIM The role of surgical castration and rosuvastatin treatment on lipid profile and lipid metabolism related markers was evaluated for their prognostic significance in metastatic prostate cancer (mPC) patients. METHODS A total of 84 newly diagnosed castrated mPC patients treated with castration were recruited and divided into two groups: Group I served as control (statin non-users) while group II treated with Rosuvastatin (20 mg/day) for 6 months and served as statin users. Prostate specific antigen (PSA), epidermal growth factor receptor (EGFR), Caveolin-1 (CAV1), lipid profile (LDL, HDL, triglycerides (TG) and total cholesterol (TC)) and lipid metabolism related markers (aldoketoreductase (AKR1C4), HMG-CoA reductase (HMGCR), ATP-binding cassette transporter A1 (ABCA1), and soluble low density lipoprotein receptor related protein 1 (SLDLRP1)) were measured at baseline, after 3 and 6 months. Overall survival (OS) was analyzed by Kaplan-Meier and COX regression for prognostic significance. RESULTS Before castration, HMG-CoA reductase was elevated in patients <65 years (P = 0.009). Bone metastasis was associated with high PSA level (P = 0.013), but low HMGCR (P = 0.004). Patients with positive family history for prostate cancer showed high levels of EGFR, TG, TC, LDL, alkaline phosphatase (ALP), but low AKR1C4, SLDLRP1, CAV1 and ABCA-1 levels. Smokers had high CAV1 level (P = 0.017). After 6 months of castration and rosuvastatin administration, PSA, TG, LDL and TC were significantly reduced, while AKR1C4, HMGCR, SLDLRP1, CAV1 and ABCA-1 were significantly increased. Overall survival was reduced in patients with high baseline of SLDLRP1 (>3385 pg/ml, P = 0.001), PSA (>40 ng/ml, P = 0.003) and CAV1 (>4955 pg/ml, P = 0.021). CONCLUSION Results of the current study suggest that the peripheral lipidogenic effects of rosuvastatin may have an impact on the treatment outcome and survival of castrated mPC patients. TRAIL REGISTRATION This trial was registered at the Pan African Clinical Trial Registry with identification number PACTR202102664354163 and at ClinicalTrials.gov with identification number NCT04776889.
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Elhendawy M, El-Kalla F, Abd-Elsalam S, ElSharawy D, Soliman SS, Abdelhai D, Hagras MM, Khalaf M, Esmail ES, Kobtan A. A Simple Scoring Model Predicting the Outcome of COVID-19 Patients: Tanta COVID score. Endocr Metab Immune Disord Drug Targets 2021; 22:620-630. [PMID: 34825879 DOI: 10.2174/1871530321666211126104952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 07/28/2021] [Accepted: 10/01/2021] [Indexed: 12/15/2022]
Abstract
BACKGROUND & AIM COVID-19 is a worldwide pandemic with high rates of morbidity and mortality, and an uncertain prognosis leading to an increased risk of infection in health providers and limited hospital care capacities. In this study, we have proposed a predictive, interpretable prognosis scoring system with the use of readily obtained clinical, radiological and laboratory characteristics to accurately predict worsening of the condition and overall survival of patients with COVID -19. METHODS This is a single-center, observational, prospective, cohort study. A total of 347 patients infected with COVID-19 presenting to the Tanta university hospital, Egypt, were enrolled in the study, and clinical, radiological and laboratory data were analyzed. Top-ranked variables were identified and selected to be integrated into a Cox regression model, building the scoring system for accurate prediction of the prognosis of patients with COVID-19. RESULTS The six variables that were finally selected in the scoring system were lymphopenia, serum CRP, ferritin, D-Dimer, radiological CT lung findings and associated chronic debilitating disease. The scoring system discriminated risk groups with either mild disease or severe illness characterized by respiratory distress (and also those with hypoxia and in need for oxygen therapy or mechanical ventilation) or death. The area under the curve to estimate the discrimination performance of the scoring system was more than 90%. CONCLUSION We proposed a simple and clinically useful predictive scoring model for COVID-19 patients. However, additional independent validation will be required before the scoring model can be used commonly.
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Affiliation(s)
- Mohammed Elhendawy
- Tropical Medicine and Infectious Diseases Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Ferial El-Kalla
- Tropical Medicine and Infectious Diseases Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Sherief Abd-Elsalam
- Tropical Medicine and Infectious Diseases Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Dalia ElSharawy
- Chest Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Shaimaa S Soliman
- Public health & Community Medicine department, Faculty of Medicine, Menoufia University, Menoufia, Egypt
| | - Dina Abdelhai
- Clinical pathology department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Maha M Hagras
- Clinical pathology department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Mai Khalaf
- Tropical Medicine and Infectious Diseases Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Eslam Saber Esmail
- Tropical Medicine and Infectious Diseases Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Abdelrahman Kobtan
- Tropical Medicine and Infectious Diseases Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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4
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Chen P, Zhang YL, Xue B, Wang JR. CAV1 rs7804372 (T29107A) polymorphism might be a potential risk for digestive cancers: A protocol for systematic review and meta analysis. Medicine (Baltimore) 2021; 100:e26186. [PMID: 34128850 PMCID: PMC8213254 DOI: 10.1097/md.0000000000026186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 05/15/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Caveolin-1 (CAV1) is an essential structural component of caveolae, regulates cellular processes through complex cellular signaling pathways, and influences tumorigenicity. However, the role of the CAV1 (rs7804372) polymorphism in digestive cancers remains inconclusive. The meta-analysis was performed to evaluate the effect of CAV1 polymorphism on digestive cancer susceptibility and to provide a basis for precise treatment. METHODS The databases of PubMed, EMBASE, Google Scholar and CNKI were used to retrieve the published studies on CAV1 (rs7804372) polymorphism and susceptibility to digestive cancers up to June 2020. Two researchers conducted study screening, data extraction, and methodological quality evaluation separately according to inclusion and exclusion criteria. Review Manager 5.3 software was used to conduct the meta-analysis. RESULTS Six case-control studies were enrolled, including 2477 patients with digestive cancers and 2477 healthy controls. The pooled results showed that the CAV1 rs7804372 (T29107A) polymorphism increased the risk of digestive cancer occurrence in the allele (T vs. A: odds ratio (OR) 1.33, 95% confidence interval (CI): 1.15-1.53, P < .01), homozygous (TT vs. AA: OR 1.72, 95% CI: 1.31-2.26, P < .01), heterozygous (TA vs. AA: OR 1.47, 95% CI: 1.21-1.78, P < .01), dominant (TT vs. TA + AA: OR 1.32, 95% CI: 1.18-1.48, P < .01), and recessive comparing models (TT + TA vs. AA: OR 1.61, 95% CI: 1.26-2.07, P < .01). CONCLUSION Our results indicate that the CAV1 (rs7804372) polymorphism may modify the occurrence of digestive cancers, and the presence of T allele or TT genotype of the CAV1 (rs7804372) may increase the risk of digestive cancers.
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Affiliation(s)
| | | | - Bai Xue
- Department of Medical Technology, Jiangsu College of Nursing, Huai an, Jiangsu, China
| | - Ji-Ru Wang
- Department of Medical Technology, Jiangsu College of Nursing, Huai an, Jiangsu, China
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Lolo FN, Jiménez-Jiménez V, Sánchez-Álvarez M, Del Pozo MÁ. Tumor-stroma biomechanical crosstalk: a perspective on the role of caveolin-1 in tumor progression. Cancer Metastasis Rev 2021; 39:485-503. [PMID: 32514892 DOI: 10.1007/s10555-020-09900-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Tumor stiffening is a hallmark of malignancy that actively drives tumor progression and aggressiveness. Recent research has shed light onto several molecular underpinnings of this biomechanical process, which has a reciprocal crosstalk between tumor cells, stromal fibroblasts, and extracellular matrix remodeling at its core. This dynamic communication shapes the tumor microenvironment; significantly determines disease features including therapeutic resistance, relapse, or metastasis; and potentially holds the key for novel antitumor strategies. Caveolae and their components emerge as integrators of different aspects of cell function, mechanotransduction, and ECM-cell interaction. Here, we review our current knowledge on the several pivotal roles of the essential caveolar component caveolin-1 in this multidirectional biomechanical crosstalk and highlight standing questions in the field.
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Affiliation(s)
- Fidel Nicolás Lolo
- Mechanoadaptation and Caveolae Biology Lab, Cell and Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Víctor Jiménez-Jiménez
- Mechanoadaptation and Caveolae Biology Lab, Cell and Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Miguel Sánchez-Álvarez
- Mechanoadaptation and Caveolae Biology Lab, Cell and Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Miguel Ángel Del Pozo
- Mechanoadaptation and Caveolae Biology Lab, Cell and Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain.
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6
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Chen P, Zhang YL, Xue B, Xu GY. Association of Caveolin-1 Expression With Prostate Cancer: A Systematic Review and Meta-Analysis. Front Oncol 2021; 10:562774. [PMID: 33489874 PMCID: PMC7820696 DOI: 10.3389/fonc.2020.562774] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 11/23/2020] [Indexed: 11/29/2022] Open
Abstract
Purpose The prognostic value of caveolin-1 in prostate cancer remains uncertain. Hence, this meta-analysis was performed to evaluate the prognostic value of caveolin-1 in prostate cancer, as well as ascertain the relationship between caveolin-1 expression and clinicopathological characteristics of prostate cancer patients. Methods The PubMed, Embase, Chinese National Knowledge Infrastructure and Chinese Biology Medicine databases were electronically searched to retrieve published studies on caveolin-1 expression in prostate cancer. After study selection and data extraction, the meta-analysis was conducted using Review manager 5.3 software. Odds ratio (OR) with 95% confidence interval (CI) was used to estimate the pooled effect. Funnel plot was used to assess publication bias. Results A total of ten studies were enrolled, which included 3976 cases of prostate cancer, 72 cases of high-grade intraepithelial neoplasia (HGPIN), and 157 normal controls. Results of the meta-analysis showed that the positive rate of caveolin-1 expression in prostate cancer was 18.28 times higher than that in normal control (OR= 18.28, 95% CI: 9.02–37.04, p<0.01), and 4.73 times higher than that in HGPIN (OR= 4.73, 95% CI: 2.38–9.42, p<0.01). The relationship between caveolin-1 and clinicopathological characteristics of prostate cancer showed that the differences in caveolin-1 expression in patients with prostate-specific antigen (PSA) >10 vs. ≤ 10 (OR=2.09, 95% CI: 1.35–3.22, p<0.01), differentiation degree low vs. medium/high (OR=2.74, 95% CI: 1.84–4.08, p<0.01), TNM stage T3+T4 vs. T1+T2 (OR=2.77, 95% CI: 1.78–4.29, p<0.01), and lymph node metastasis present vs. absent (OR=2.61, 95% CI: 1.84–3.69, p<0.01) were statistically significant. The correlation analysis between caveolin-1 and the survival time of patients with prostate cancer demonstrated that caveolin-1 was closely related to the prognosis of prostate cancer patients (HR=1.50, 95% CI: 1.28–1.76, p<0.01). Conclusion Caveolin-1 is overexpressed in prostate cancer, which can serve as a risk factor and adverse clinicopathological feature of prostate cancer. Caveolin-1 can also predict poor survival in prostate cancer patients after radical prostatectomy.
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Affiliation(s)
- Pei Chen
- Department of Basic Medicine, Jiangsu College of Nursing, Huai'an, China
| | - Yu-Ling Zhang
- Department of Basic Medicine, Jiangsu College of Nursing, Huai'an, China
| | - Bai Xue
- Department of Medical Technology, Jiangsu College of Nursing, Huai'an, China
| | - Guo-Ying Xu
- Department of Medical Technology, Jiangsu College of Nursing, Huai'an, China
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Hasby Saad MA, El-Anwar N. Bevacizumab as a potential anti-angiogenic therapy in schistosomiasis: A double-edged, but adjustable weapon. Parasite Immunol 2020; 42:e12724. [PMID: 32338371 DOI: 10.1111/pim.12724] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 04/09/2020] [Accepted: 04/17/2020] [Indexed: 11/30/2022]
Abstract
AIM Investigating the anti-angiogenic effect of bevacizumab on chronic schistosomiasis mansoni in a trial to hinder the Schistosome-induced angiogenesis and porto-systemic shunting complications. METHODS The immunohistochemical expression of CD34, VEGF-R1, PCNA and α-SMA (angiogenesis markers) was analysed in the lung, liver and gastrointestinal junctions of chronic S mansoni infected mice after intraperitoneal injection of bevacizumab. The effect of prolonged administration of bevacizumab with praziquantel was also assessed through parasitic load, protective index, granuloma and fibrous tissue evaluation. RESULTS A regression in the vascular activity and microvascular density was observed in the infected mice after receiving bevacizumab. They had a significantly less VEGF-R1, PCNA, CD-34 and α-SMA expression in comparison to the infected untreated mice. The least tissue egg count was reported in mice received bevacizumab for 6 weeks (Mean = 27 120). However, they had persistent liver granulomas, and massively amalgamated fibrosis. Interestingly, the least faecal egg and tissue worms counts (Mean = 112, 13.4), and the highest protection index (39.26) were reported in mice received bevacizumab for 3 weeks, with marked granuloma, and fibrous tissue resolution. CONCLUSIONS Bevacizumab has a promising protective effect against the Schistosoma-induced angiogenesis. As an adjuvant to praziquantel, it is important to adjust the appropriate duration of administration that achieves the best schistosomicidal effect without impeding granuloma and fibrous tissue resolution.
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Affiliation(s)
- Marwa A Hasby Saad
- Medical Parasitology Department, Faculty of Medicine, Tanta University, Tanta, Gharbia Governorate, Egypt
| | - Noha El-Anwar
- Department of Pathology, Tanta University, Faculty of Medicine, Tanta, Egypt
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8
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Wang X, Liu Z, Yang Z. Expression and clinical significance of Caveolin-1 in prostate Cancer after transurethral surgery. BMC Urol 2018; 18:102. [PMID: 30424755 PMCID: PMC6234622 DOI: 10.1186/s12894-018-0418-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 10/30/2018] [Indexed: 12/19/2022] Open
Abstract
Background Prostate cancer is a common malignancy of the male genitourinary system that occurs worldwide. The current research aims to investigate caveolin-1 expression in prostate cancer tissue and its relationship with pathological grade, clinical pathologic staging, and preoperative prostate-specific antigen (PSA) levels. Methods From January 2012 to December 2014, samples from 47 patients with prostate cancer who had received transurethral prostatic resection (TURP) and 20 patients with benign prostatic hyperplasia were collected at the First Affiliated Hospital of Guangxi Medical University. Caveolin-1 was detected by streptavidin-perosidase (SP) immunohistochemical staining in pathological tissue slices. The results were statistically analyzed for pathological grade, clinical stage, and preoperative PSA level. Results The expression of caveolin-1 was significantly higher in prostate cancer samples than in benign prostatic hyperplasia samples (P < 0.05), and caveolin-1 expression was significantly different among the pathological grades of poorly, moderately and well-differentiated prostate cancer (P < 0.05). The difference in caveolin-1 expression was significant for different clinical stages (T1-T2 and T3-T4) of prostate cancer (P < 0.05). The difference in caveolin-1 expression was not significant among samples with different preoperative PSA levels (0–10, 10–100 and > 100 μg/L) (P > 0.05). Conclusions Caveolin-1 is closely related to the pathological grade and clinical stage of prostate cancer after transurethral surgery, and it may be a novel tumor marker for prostate cancer. The expression of caveolin-1 is not associated with preoperative serum PSA levels.
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Affiliation(s)
- Xiaoming Wang
- Department of Urology, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China. .,Department of Urology, The Second Affiliated Hospital of Guangxi Medical University, No 166 DaXueDong Road, Nanning, 530007, Guangxi, China.
| | - Zhigui Liu
- Department of Urology, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Zhanbin Yang
- Department of Urology, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
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Abd El-Aal NF, Abdelbary EH. Paeoniflorin in experimental BALB/c mansoniasis: A novel anti-angiogenic therapy. Exp Parasitol 2018; 197:85-92. [PMID: 30414842 DOI: 10.1016/j.exppara.2018.11.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 10/15/2018] [Accepted: 11/04/2018] [Indexed: 12/14/2022]
Abstract
Chronic hepatic schistosomiasis causes portal hypertension, fibrosis and lethal hepatosplenic complications. Previous studies focused mainly on schistosomicidal drugs and neglected the therapeutic approaches against the vascular complications after portal hypertension. Investigating a novel anti-angiogenic therapy is an urgent. The current study is to evaluate the performance of Paeoniflorin (PAE) as an anti-angiogenic therapy, being a powerful anti-fibrotic, compared to artemether (ART) and praziqantel (PZQ) in schistosomiasis mansoni BALB/c mice. Thirty two laboratory bred male BALB/c Swiss albino mice. The mice were classified into four groups (8 mice each), control infected (CI), PZQ (300 mg/kg/12 h), ART (0.1 ml/mg/d) and PAE (50 mg/kg/d) treated groups for one month. All mice groups were sacrificed 15 weeks post infection for assessment of the drugs' efficacy by parasitological, histopathological and immunohistochemical studies. Our results in PAE group showed marked reduction in the mean egg count/gram stool, worm burden, egg count/gram liver tissue, granuloma diameter and pro-angiogenic factors as vascular endothelial growth factor (VEGF), Proliferating cell nuclear antigen (PCNA), alpha-smooth muscle actin (α-SMA) and CD34; conversely, there was an augmentation of the tissue inhibitor metalloproteinases-2 (TIMP-2) as an anti-angiogenic expression that was exceeded ART and PZQ treated groups compared to CI group (p˂0.001). Conclusively, PAE has an anti-angiogenic impact with no vascular proliferative activity or recanalization, no micro-vessel density (MVD) changes, granuloma resolution and fibrosis regression. PAE is predicted to be a potential therapy for chronic hepatic diseases associated with fibrosis and angiogenesis, hopeful in protecting from advanced serious complications; cancer and metastasis.
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10
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Dorai T, Shah A, Summers F, Mathew R, Huang J, Hsieh TC, Wu JM. NRH:quinone oxidoreductase 2 (NQO2) and glutaminase (GLS) both play a role in large extracellular vesicles (LEV) formation in preclinical LNCaP-C4-2B prostate cancer model of progressive metastasis. Prostate 2018; 78:1181-1195. [PMID: 30009389 DOI: 10.1002/pros.23693] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 07/02/2018] [Indexed: 12/15/2022]
Abstract
In the course of studies aimed at the role of oxidative stress in the development of metastatic potential in the LNCaP-C4-2B prostate cancer progression model system, we found a relative decrease in the level of expression of the cytoplasmic nicotinamide riboside: quinone oxidoreductase (NQO2) and an increase in the oxidative stress in C4-2B cells compared to that in LNCaP or its derivatives C4 and C4-2. It was also found that C4-2B cells specifically shed large extracellular vesicles (LEVs) suggesting that these LEVs and their cargo could participate in the establishment of the osseous metastases. The level of expression of caveolin-1 increased as the system progresses from LNCaP to C4-2B. Since NQO2 RNA levels were not changed in LNCaP, C4, C4-2, and C4-2B, we tested an altered cellular distribution hypothesis of NQO2 being compartmentalized in the membrane fractions of C4-2B cells which are rich in lipid rafts and caveolae. This was confirmed when the detergent resistant membrane fractions were probed on immunoblots. Moreover, when the LEVs were analyzed for membrane associated caveolin-1 as possible cargo, we noticed that the enzyme NQO2 was also a component of the cargo along with caveolin-1 as seen in double immunofluorescence studies. Molecular modeling studies showed that a caveolin-1 accessible site is present in NQO2. Specific interaction between NQO2 and caveolin-1 was confirmed using deletion constructs of caveolin-1 fused with glutathione S-transferase (GST). Interestingly, whole cell lysate and mitochondrial preparations of LNCaP, C4, C4-2, and C4-2B showed an increasing expression of glutaminase (GLS, kidney type). The extrusion of LEVs appears to be a specific property of the bone metastatic C4-2B cells and this process could be inhibited by a GLS specific inhibitor BPTES, suggesting the critical role of a functioning glutamine metabolism. Our results indicate that a high level of expression of caveolin-1 in C4-2B cells contributes to an interaction between caveolin-1 and NQO2 and to their packaging as cargo in the shed LEVs. These results suggest an important role of membrane associated oxidoreductases in the establishment of osseous metastases in prostate cancer.
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Affiliation(s)
- Thambi Dorai
- Department of Urology, New York Medical College, Valhalla, New York
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, New York
| | - Ankeeta Shah
- Committee on Genetics, Genomics and Systems Biology, University of Chicago, Chicago, Illinois
| | - Faith Summers
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, New York
| | - Rajamma Mathew
- Section of Pediatric Cardiology, Department of Pediatrics, New York Medical College, Valhalla, New York
- Department of Physiology, New York Medical College, Valhalla, New York
| | - Jing Huang
- Section of Pediatric Cardiology, Department of Pediatrics, New York Medical College, Valhalla, New York
| | - Tze-Chen Hsieh
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, New York
| | - Joseph M Wu
- Department of Biochemistry and Molecular Biology, New York Medical College, Valhalla, New York
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11
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Tadeo I, Gamero-Sandemetrio E, Berbegall AP, Gironella M, Ritort F, Cañete A, Bueno G, Navarro S, Noguera R. Lymph microvascularization as a prognostic indicator in neuroblastoma. Oncotarget 2018; 9:26157-26170. [PMID: 29899849 PMCID: PMC5995242 DOI: 10.18632/oncotarget.25457] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 05/05/2018] [Indexed: 12/29/2022] Open
Abstract
Neuroblastoma is the most common extra-cranial solid pediatric cancer and causes approximately 15% of all childhood deaths from cancer. Although lymphatic vasculature is a prerequisite for the maintenance of tissue fluid balance and immunity in the body, little is known about the relationship between lymphatic vascularization and prognosis in neuroblastoma. We used our previously-published custom-designed tool to close open-outline vessels and measure the density, size and shape of all lymphatic vessels and microvascular segments in 332 primary neuroblastoma contained in tissue microarrays. The results were correlated with clinical and biological features of known prognostic value and with risk of progression to establish histological lymphatic vascular patterns associated with unfavorable histology. A high proportion of irregular intermediate lymphatic capillaries and irregular small collector vessels were present in tumors from patients with metastatic stage, undifferentiating neuroblasts and/or classified in the high risk. In addition, a higher lymphatic microvascularization density was found to be predictive of overall survival. Our findings show the crucial role of lymphatic vascularization in metastatic development and maintenance of tumor tissue homeostasis. These patterns may therefore help to indicate more accurate pre-treatment risk stratification and could provide candidate targets for novel therapies.
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Affiliation(s)
- Irene Tadeo
- Pathology Department, Medical School, University of Valencia-INCLIVA, Valencia, Spain.,CIBERONC, Madrid, Spain
| | - Esther Gamero-Sandemetrio
- Pathology Department, Medical School, University of Valencia-INCLIVA, Valencia, Spain.,CIBERONC, Madrid, Spain
| | - Ana P Berbegall
- Pathology Department, Medical School, University of Valencia-INCLIVA, Valencia, Spain.,CIBERONC, Madrid, Spain
| | - Marta Gironella
- Condensed Matter Physics Department, University of Barcelona, Barcelona, Spain.,CIBER-BBN, Madrid, Spain
| | - Félix Ritort
- Condensed Matter Physics Department, University of Barcelona, Barcelona, Spain.,CIBER-BBN, Madrid, Spain
| | | | - Gloria Bueno
- VISILAB, E.T.S.I. Industriales, University of Castilla-La Mancha, Ciudad Real, Spain
| | - Samuel Navarro
- Pathology Department, Medical School, University of Valencia-INCLIVA, Valencia, Spain.,CIBERONC, Madrid, Spain
| | - Rosa Noguera
- Pathology Department, Medical School, University of Valencia-INCLIVA, Valencia, Spain.,CIBERONC, Madrid, Spain
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