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Li B, Li M, Qi X, Tong T, Zhang G. The causal associations of circulating lipids with Barrett's Esophagus and Esophageal Cancer: a bi-directional, two sample mendelian randomization analysis. Hum Genomics 2024; 18:37. [PMID: 38627859 PMCID: PMC11020202 DOI: 10.1186/s40246-024-00608-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/08/2024] [Indexed: 04/19/2024] Open
Abstract
OBJECTIVE The causal associations of circulating lipids with Barrett's Esophagus (BE) and Esophageal Cancer (EC) has been a topic of debate. This study sought to elucidate the causality between circulating lipids and the risk of BE and EC. METHODS We conducted two-sample Mendelian randomization (MR) analyses using single nucleotide polymorphisms (SNPs) of circulating lipids (n = 94,595 - 431,167 individuals), BE (218,792 individuals), and EC (190,190 individuals) obtained from the publicly available IEU OpenGWAS database. The robustness and reliability of the results were ensured by employing inverse-variance weighted (IVW), weighted median, MR-Egger, and MR-PRESSO methods. The presence of horizontal pleiotropy, heterogeneities, and stability of instrumental variables were assessed through MR-Egger intercept test, Cochran's Q test, and leave-one-out sensitivity analysis. Additionally, bidirectional MR and multivariable MR (MVMR) were performed to explore reverse causality and adjust for known confounders, respectively. RESULTS None of the testing methods revealed statistically significant horizontal pleiotropy, directional pleiotropy, or heterogeneity. Univariate MR analyses using IVW indicated a robust causal relationship between increased triglycerides and BE (odds ratio [OR] = 1.79, p-value = 0.009), while no significant association with EC was observed. Inverse MR analysis indicated no evidence of reverse causality in the aforementioned outcomes. In MVMR analyses, elevated triglycerides (TRG) were significantly and positively associated with BE risk (OR = 1.79, p-value = 0.041). CONCLUSION This MR study suggested that genetically increased triglycerides were closely related to an elevated risk of BE, potentially serving as a biomarker for the diagnosis of BE in the future.
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Affiliation(s)
- Baofeng Li
- Department of Thoracic Surgery, The Second Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Meng Li
- Department of Thoracic Surgery, The Second Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Xiao Qi
- Department of Thoracic Surgery, The Second Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Ti Tong
- Department of Thoracic Surgery, The Second Hospital of Jilin University, Changchun, Jilin, 130021, China.
| | - Guangxin Zhang
- Department of Thoracic Surgery, The Second Hospital of Jilin University, Changchun, Jilin, 130021, China.
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Yu XW, She PW, Chen FC, Chen YY, Zhou S, Wang XM, Lin XR, Liu QL, Huang ZJ, Qiu Y. Metabolic subtypes and immune landscapes in esophageal squamous cell carcinoma: prognostic implications and potential for personalized therapies. BMC Cancer 2024; 24:230. [PMID: 38373930 PMCID: PMC10875771 DOI: 10.1186/s12885-024-11890-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 01/16/2024] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND This study aimed to identify metabolic subtypes in ESCA, explore their relationship with immune landscapes, and establish a metabolic index for accurate prognosis assessment. METHODS Clinical, SNP, and RNA-seq data were collected from 80 ESCA patients from the TCGA database and RNA-seq data from the GSE19417 dataset. Metabolic genes associated with overall survival (OS) and progression-free survival (PFS) were selected, and k-means clustering was performed. Immune-related pathways, immune infiltration, and response to immunotherapy were predicted using bioinformatic algorithms. Weighted gene co-expression network analysis (WGCNA) was conducted to identify metabolic genes associated with co-expression modules. Lastly, cell culture and functional analysis were performed using patient tissue samples and ESCA cell lines to verify the identified genes and their roles. RESULTS Molecular subtypes were identified based on the expression profiles of metabolic genes, and univariate survival analysis revealed 163 metabolic genes associated with ESCA prognosis. Consensus clustering analysis classified ESCA samples into three distinct subtypes, with MC1 showing the poorest prognosis and MC3 having the best prognosis. The subtypes also exhibited significant differences in immune cell infiltration, with MC3 showing the highest scores. Additionally, the MC3 subtype demonstrated the poorest response to immunotherapy, while the MC1 subtype was the most sensitive. WGCNA analysis identified gene modules associated with the metabolic index, with SLC5A1, NT5DC4, and MTHFD2 emerging as prognostic markers. Gene and protein expression analysis validated the upregulation of MTHFD2 in ESCA. MTHFD2 promotes the progression of ESCA and may be a potential therapeutic target for ESCA. CONCLUSION The established metabolic index and identified metabolic genes offer potential for prognostic assessment and personalized therapeutic interventions for ESCA, underscoring the importance of targeting metabolism-immune interactions in ESCA. MTHFD2 promotes the progression of ESCA and may be a potential therapeutic target for ESCA.
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Affiliation(s)
- Xiao-Wan Yu
- Clinical Laboratory Department, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China.
| | - Pei-Wei She
- Shengli Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, 350001, P. R. China
- Center for Experimental Research in Clinical Medicine, Fujian Provincial Hospital, 350001, Fuzhou, Fujian, P. R. China
| | - Fang-Chuan Chen
- Stomatology Department, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China
| | - Ya-Yu Chen
- Stomatology Department, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China
| | - Shuang Zhou
- Central Laboratory, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China
| | - Xi-Min Wang
- Clinical Laboratory Department, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China
| | - Xiao-Rong Lin
- Clinical Laboratory Department, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China
| | - Qiao-Ling Liu
- Clinical Laboratory Department, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China
| | - Zhi-Jun Huang
- Esophageal Surgery Department, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China
| | - Yu Qiu
- Reproductive Center, The Second Affiliated Hospital of Fujian Medical University, 362000, Quanzhou, Fujian, P. R. China.
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Zou J, Shen YK, Wu SN, Wei H, Li QJ, Xu SH, Ling Q, Kang M, Liu ZL, Huang H, Chen X, Wang YX, Liao XL, Tan G, Shao Y. Prediction Model of Ocular Metastases in Gastric Adenocarcinoma: Machine Learning-Based Development and Interpretation Study. Technol Cancer Res Treat 2024; 23:15330338231219352. [PMID: 38233736 PMCID: PMC10865948 DOI: 10.1177/15330338231219352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 10/10/2023] [Accepted: 11/08/2023] [Indexed: 01/19/2024] Open
Abstract
Background: Although gastric adenocarcinoma (GA) related ocular metastasis (OM) is rare, its occurrence indicates a more severe disease. We aimed to utilize machine learning (ML) to analyze the risk factors of GA-related OM and predict its risks. Methods: This is a retrospective cohort study. The clinical data of 3532 GA patients were collected and randomly classified into training and validation sets in a ratio of 7:3. Those with or without OM were classified into OM and non-OM (NOM) groups. Univariate and multivariate logistic regression analyses and least absolute shrinkage and selection operator were conducted. We integrated the variables identified through feature importance ranking and further refined the selection process using forward sequential feature selection based on random forest (RF) algorithm before incorporating them into the ML model. We applied six ML algorithms to construct the predictive GA model. The area under the receiver operating characteristic (ROC) curve indicated the model's predictive ability. Also, we established a network risk calculator based on the best performance model. We used Shapley additive interpretation (SHAP) to identify risk factors and to confirm the interpretability of the black box model. We have de-identified all patient details. Results: The ML model, consisting of 13 variables, achieved an optimal predictive performance using the gradient boosting machine (GBM) model, with an impressive area under the curve (AUC) of 0.997 in the test set. Utilizing the SHAP method, we identified crucial factors for OM in GA patients, including LDL, CA724, CEA, AFP, CA125, Hb, CA153, and Ca2+. Additionally, we validated the model's reliability through an analysis of two patient cases and developed a functional online web prediction calculator based on the GBM model. Conclusion: We used the ML method to establish a risk prediction model for GA-related OM and showed that GBM performed best among the six ML models. The model may identify patients with GA-related OM to provide early and timely treatment.
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Affiliation(s)
- Jie Zou
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
| | - Yan-Kun Shen
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
| | - Shi-Nan Wu
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
- Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, People's Republic of China
| | - Hong Wei
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
| | - Qing-Jian Li
- Fujian Provincial Key Laboratory of Ophthalmology and Visual Science, Eye Institute of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, People's Republic of China
| | - San Hua Xu
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
| | - Qian Ling
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
| | - Min Kang
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
| | - Zhao-Lin Liu
- Department of Ophthalmology, the First Affiliated Hospital of University of South China, Hunan Branch of National Clinical Research Center for Ocular Disease, Hengyan, Hunan Province, People's Republic of China
| | - Hui Huang
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
| | - Xu Chen
- Department of Ophthalmology and Visual Sciences, Maastricht University, Maastricht, Limburg Province, Netherlands
| | - Yi-Xin Wang
- School of Optometry and Vision Sciences, Cardiff University, Cardiff, UK
| | - Xu-Lin Liao
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, People's Republic of China
| | - Gang Tan
- Department of Ophthalmology, the First Affiliated Hospital of University of South China, Hunan Branch of National Clinical Research Center for Ocular Disease, Hengyan, Hunan Province, People's Republic of China
| | - Yi Shao
- Department of Ophthalmology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Jiangxi Branch of National Clinical Research Center for Ocular Disease, Nanchang, Jiangxi, People's Republic of China
- Current affiliation: Department of Ophthalmology, Eye & ENT Hospital of Fudan University, Shanghai, China
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Karadag I, Karakaya S, Akkan T, Demir B, Alkurt EG, Dogan M. The Potential Prognostic Marker TyG Index Predicts Time to Brain Metastasis at HER2 Positive Breast Cancer. Cancer Manag Res 2023; 15:311-317. [PMID: 36994110 PMCID: PMC10042251 DOI: 10.2147/cmar.s403445] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/14/2023] [Indexed: 03/31/2023] Open
Abstract
Background We aimed to investigate the prognostic significance of insulin resistance (IR) markers fasting triglyceride-glucose (TyG) index and triglyceride high-density lipoprotein cholesterol (TG/HDL-C) ratio in HER2-positive breast cancer (BC) patients with brain metastasis (BM). Methods In this single-center study, 120 patients who met the criteria were included. TyG and TG/HDL-C at the time of diagnosis were computed retrospectively. For TyG and TG/HDL-C, the median values of 9.32 and 2.95 were taken as the cut-off, respectively. TyG values <9.32 and <2.95 were considered low, and TG/HDL-C values ≥9.32 and ≥2.95 were considered high. Results The median overall survival (OS) was 47 months (95% CI: 40.54-53.45). Time to BM was 22 months (95% CI: 17.22-26.73). The median time to BM was 35 months (95% CI: 20.90-49.09) in the low TyG group and 15 months (95% CI: 8.92-21.07) in the high TyG group (p < 0.001). The time to BM was 27 months (95% CI: 20.49-33.50) in the low TG/HDL-C group and 20 months (95% CI: 16.76-23.23) in the high TG/HDL-C group (p=0.084). In the multivariate Cox regression analysis, the TyG index (HR: 20.98, 95% CI: 7.14-61.59, p < 0.001) was an independent risk factor for time to BM. Conclusion These findings suggest that the TyG index could be used as a predictive biomarker at the time of diagnosis for risk of time BM in patients with HER2-positive BC. The TyG index can be used as a standard potential marker with prospective studies confirming these data.
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Affiliation(s)
- Ibrahim Karadag
- Department of Medical Oncology, Hitit University Erol Olcok Training and Research Hospital, Corum, Turkey
| | - Serdar Karakaya
- Department of Medical Oncology, Health Science University, Atatürk Chest Diseases and Chest Surgery Training and Research Hospital, Ankara, Turkey
| | - Tolga Akkan
- Department of Endocrinology, Eskisehir City Hospital, Eskisehir, Turkey
| | - Bilgin Demir
- Department of Medical Oncology, Aydın Atatürk Public Hospital, Aydın, Turkey
| | - Ertugrul Gazi Alkurt
- Department of Surgical Oncology, Hitit University Erol Olcok Training and Research Hospital, Corum, Turkey
| | - Mutlu Dogan
- Department of Medical Oncology, Health Sciences University, Ankara Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey
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Li Y, Luo H, Ye B, Zhang K, Liu C, Zu R, Ni S, He Q, Rao L, Wang Q, Wang D. Prognostic value of nutritional and inflammatory indicators in females with esophageal squamous cell cancer: A propensity score matching study. Front Genet 2022; 13:1026685. [DOI: 10.3389/fgene.2022.1026685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/11/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Esophageal squamous cell cancer (ESCC) is a disease with a male predominance. Accordingly, the applicability of prognostic indicators values previously set for the general population with ESCC has not been reported for determining the physical state in females.Methods: Patients with ESCC were pooled from 2009 to 2017 at Sichuan Cancer Hospital. We determined the differences in the nutritional and inflammatory indicators between gender by sex-stratified survival analysis in all cohorts (n = 2,660) and matching cohorts (n = 483 pairs) separately. Propensity score matching (PSM) was employed to eliminate selection bias between genders. We further performed the prognostic value of total cholesterol (TC) by subgroup analysis in the female cohort. The area ROC curve was used to assess the predictive performance of TC in females.Results: There were a total of 2,660 patients with ESCC, of whom 2,173 (81.7%) were male and 487 (18.3%) were female. Before PSM, the prognostic nutritional index was an independent factor for OS in males but not in females. For cohort with or without matching, TC was an independent prognostic factor in females not for males. Furthermore, female patients with high TC level had significant poor OS in stages III and IV. The AUCs of TC were 0.63 and 0.70 for predicting 3- and 5-year OS, respectively.Conclusion: Based on a much larger cohort, we confirmed that gender was a significant prognostic factor for ESCC patients. Interestingly, we found a significant difference in TC related to ESCC prognosis between genders. Collectively, TC might be an independent prognostic factor in females with ESCC.
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Ito M, Hiwasa T, Oshima Y, Yajima S, Suzuki T, Nanami T, Sumazaki M, Shiratori F, Funahashi K, Li SY, Iwadate Y, Yamagata H, Jambaljav B, Takemoto M, Yokote K, Takizawa H, Shimada H. Association of Serum Anti-PCSK9 Antibody Levels with Favorable Postoperative Prognosis in Esophageal Cancer. Front Oncol 2021; 11:708039. [PMID: 34504788 PMCID: PMC8421770 DOI: 10.3389/fonc.2021.708039] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 08/03/2021] [Indexed: 01/23/2023] Open
Abstract
Background Esophageal cancer often appears as postoperative metastasis or recurrence after radical surgery. Although we had previously reported that serum programmed cell death ligand 1 (PD-L1) level correlated with the prognosis of esophageal cancer, further novel biomarkers are required for more precise prediction of the prognosis. Proprotein convertase subtilisin/kexin type 9 (PCSK9) is associated with the cholesterol metabolism. But there was no report of relationship between serum PCSK9 antibody and cancer. Therefore, we investigated whether anti-PCSK9 antibodies could be a novel biomarker for solid cancer. Methods Serum levels of anti-PCSK9 antibodies and antigens in patients with solid cancer were analyzed using amplified luminescence proximity homogeneous assay-linked immunosorbent assay (AlphaLISA). The reactivity of serum antibodies against recombinant PCSK9 protein was investigated by Western blotting, and the expression of PCSK9 antigens in esophageal cancer tissues was examined by immunohistochemical staining. Results AlphaLISA showed that serum anti-PCSK9 antibody (s-PCSK9-Ab) levels were significantly higher in patients with esophageal cancer, gastric cancer, colorectal cancer, lung cancer, and breast cancer than in healthy donors, and patients with esophageal cancer had the highest levels. The presence of serum antibody in patients was confirmed by Western blotting. There was no apparent correlation between s-PCSK9-Ab and PCSK9 antigen levels. Immunohistochemical staining demonstrated the expression of PCSK9 antigen in both the cytoplasm and nuclear compartments of esophageal squamous cell carcinoma tissue but not in normal tissue. Compared with patients with low s-PCSK9-Ab levels, those with high s-PCSK9-Ab levels had a favorable postoperative prognosis after radical surgery for esophageal cancer. In the multivariate analysis, tumor depth and s-PCSK9-Ab level were identified as independent prognostic factors. In the univariate analysis of clinicopathological features, high PCSK9 antibody levels were not associated with sex, age, location, tumor depth, lymph node status, squamous cell carcinoma antigen, or p53-Ab, whereas they correlated significantly with PD-L1 levels, which were associated with unfavorable prognosis. Correlation between s-PCSK9-Ab and PD-L1 levels was also confirmed in the logistic regression analysis; therefore, low s-PCSK9-Ab levels could discriminate another poor prognosis group other than high-PD-L1 group. Conclusions Patients with solid cancer had higher s-PCSK9-Ab levels than healthy donors. High s-PCSK9-Ab levels indicated better prognosis for overall survival after surgery in patients with esophageal cancer.
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Affiliation(s)
- Masaaki Ito
- Department of Clinical Oncology, Toho University Graduate School of Medicine, Tokyo, Japan
| | - Takaki Hiwasa
- Department of Clinical Oncology, Toho University Graduate School of Medicine, Tokyo, Japan.,Department of Neurological Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yoko Oshima
- Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
| | - Satoshi Yajima
- Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
| | - Takashi Suzuki
- Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
| | - Tatsuki Nanami
- Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
| | - Makoto Sumazaki
- Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
| | - Fumiaki Shiratori
- Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
| | - Kimihiko Funahashi
- Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
| | - Shu-Yang Li
- Department of Neurological Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yasuo Iwadate
- Department of Neurological Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Hiroki Yamagata
- Department of Diabetes, Metabolism and Endocrinology, School of Medicine, International University of Health and Welfare, Chiba, Japan
| | - Byambasteren Jambaljav
- Department of Diabetes, Metabolism and Endocrinology, School of Medicine, International University of Health and Welfare, Chiba, Japan
| | - Minoru Takemoto
- Department of Diabetes, Metabolism and Endocrinology, School of Medicine, International University of Health and Welfare, Chiba, Japan.,Department of Endocrinology, Hematology and Gerontology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Koutaro Yokote
- Department of Diabetes, Metabolism and Endocrinology, School of Medicine, International University of Health and Welfare, Chiba, Japan
| | - Hirotaka Takizawa
- Port Square Kashiwado Clinic, Kashiwado Memorial Foundation, Chiba, Japan
| | - Hideaki Shimada
- Department of Clinical Oncology, Toho University Graduate School of Medicine, Tokyo, Japan.,Department of Gastroenterological Surgery, Toho University School of Medicine, Tokyo, Japan
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Li R, Liu B, Liu Y, Liu Y, He Y, Wang D, Sun Y, Xu Y, Yu Q. Elevated serum lipid level can serve as early signal for metastasis for Non-Small Cell Lung Cancer patients: A retrospective nested case-control study. J Cancer 2020; 11:7023-7031. [PMID: 33123292 PMCID: PMC7592011 DOI: 10.7150/jca.48322] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 09/24/2020] [Indexed: 12/24/2022] Open
Abstract
Objective: To investigate the association between serum lipid levels in patients with primary non-small cell lung cancer and the risk of developing metastases, a retrospective cohort-based nested case-control study was conducted. Material and method: Patients with primary non-small cell lung cancer admitted to the First and the Third Hospitals of Jilin University from January 2008 through December 2015 were recruited retrospectively based on their electronic medical records. A total of 524 patients were initially considered, consisting of 138 in the case group and 386 as control. Out of these, 110 were finally included in the case group and 110 as control based on additional selection criteria. The following information is collected from all the patients, total cholesterol (TC), low-density lipoprotein (LDL-C), high density lipoprotein (HDL-C) and triglyceride (TG). Logistic regressions were conducted to estimate the odds ratios (ORs) and 95% confidence intervals (95% CI) for non-small cell lung cancer (NSCLC) patients to have metastasis risk when having elevated serum lipid levels. Restricted cubic spline (RCS) curves were used to demonstrate the association between serum lipid levels and the risk of metastasis. Results: Patients with high TC level (P = 0.025, 0R = 1.35, 95% CI: 1.03-1.74) and patients with high LDL-C level (Q4: > 3.47 vs Q1: ≤2.54, P = 0.002, OR = 3.92, 95% CI: 1.31-11.77) are found to have an increased metastasis risk; and their dose-response relationship was validated by our restricted cubic spline analysis (TC: P overall association=0.02, P non-linear association = 0.73; LDL-C: P overall association=0.02, P non-linear association = 0.10). These associations were statistically significant, particularly in men who smoked, never drank, and were 65 years of age or younger. In addition, patients with simultaneously high levels of TC and LDL-C have a 60% increased risk of metastasis compared with patients with high levels of TC and normal LDL-C. Conclusion: Dyslipidemia may be a risk factor for metastasis among NSCLC patients. Examination of serum lipid level on a regular basis can provide early signal of metastasis for NSCLC patients.
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Affiliation(s)
- Rixin Li
- Cancer System Biology Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, China
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin Province, China
| | - Bin Liu
- Department of Hand and Foot Surgery, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yumei Liu
- Cancer System Biology Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yang Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin Province, China
| | - Yang He
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin Province, China
| | - Duo Wang
- Department of Hand and Foot Surgery, The First Hospital of Jilin University, Changchun, Jilin Province, China
| | - Yunxiang Sun
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin Province, China
| | - Ying Xu
- Cancer System Biology Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, China
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin Province, China
| | - Qiong Yu
- Cancer System Biology Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin Province, China
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin Province, China
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Shen CJ, Chang KY, Lin BW, Lin WT, Su CM, Tsai JP, Liao YH, Hung LY, Chang WC, Chen BK. Oleic acid-induced NOX4 is dependent on ANGPTL4 expression to promote human colorectal cancer metastasis. Am J Cancer Res 2020; 10:7083-7099. [PMID: 32641980 PMCID: PMC7330862 DOI: 10.7150/thno.44744] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 05/20/2020] [Indexed: 12/13/2022] Open
Abstract
Background: Colorectal cancer (CRC) progression and related mortality are highly associated with metabolic disorders. However, the molecular mechanism involved in the regulation of hyperlipidemia-associated CRC metastasis remains unclear. This study aimed to investigate the effects of angiopoietin-like 4 (ANGPTL4) on NADPH oxidase 4 (NOX4) expression and reactive oxygen species (ROS) production, which might provide new targets for improving outcomes in patients with hyperlipidemia-associated CRC metastasis. Methods: The clinical relevance of relationship between NOX4 expression and ANGPTL4 was examined in CRC patients by the Oncomine and TCGA data set. Expressions of NOX4, epithelial-mesenchymal transition (EMT) markers, and gene regulation of NOX4 in free fatty acids (FFAs)-treated CRC cells were determined. The FFAs-triggered metastatic ability of CRC cells under treatments of antioxidants or knockdown of NOX4, ANGPTL4, and MMPs was evaluated in vitro and in vivo. In addition, effects of antioxidants and depletion of metastasis-associated molecules on the correlation between ROS production and FFAs-promoted CRC metastasis were also clarified. Results: In this study, we found that the induction of NOX4, followed by the increased ROS was essential for oleic acid (OA)-promoted CRC cell metastasis. The depletion of ANGPTL4 significantly inhibited c-Jun-mediated transactivation of NOX4 expression, accompanied with reduced levels of ROS, MMP-1, and MMP-9, resulting in the disruption of OA-promoted CRC cell metastasis. Moreover, knockdown of ANGPTL4, NOX4, MMP-1, and MMP-9 or the treatment of antioxidants dramatically inhibited circulating OA-enhanced tumor cell extravasation and metastatic seeding of tumor cells in lungs, indicating that the ANGPTL4/NOX4 axis was critical for dyslipidemia-associated tumor metastasis. Conclusion: The coincident expression of NOX4 and ANGPTL4 in CRC tumor specimens provides the insight into the potential therapeutic targets for the treatment of dyslipidemia-associated CRC metastasis.
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Ma C, Xie J, Luo C, Yin H, Li R, Wang X, Xiong W, Zhang T, Jiang P, Qi W, Zhou T, Yang Z, Wang W, Ma J, Gao G, Yang X. OxLDL promotes lymphangiogenesis and lymphatic metastasis in gastric cancer by upregulating VEGF‑C expression and secretion. Int J Oncol 2018; 54:572-584. [PMID: 30483757 PMCID: PMC6317679 DOI: 10.3892/ijo.2018.4648] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 10/10/2018] [Indexed: 12/17/2022] Open
Abstract
Gastric cancer is one of the most malignant tumor types, and its metastasis is a notable cause of mortality. Among the methods of tumor metastasis, lymphatic metastasis is the predominant one in gastric cancer. A previous study reported that the plasma oxidized low-density lipoprotein (oxLDL) is the risk factor associated with the development of tumors in patients with abnormal lipid metabolism, but the influence of plasma oxLDL in the lymphatic metastasis of gastric cancer remains unclear. In the present study, the concentration of plasma oxLDL from patients with gastric cancer was detected with an ELISA kit, and the lymphatic vessel density in gastric cancer tissues was determined by D2-40 staining. The correlation analysis of oxLDL concentration and lymphatic vessel density demonstrated that plasma oxLDL was positively correlated with lymphatic metastasis in patients with gastric cancer. Subsequently, the popliteal lymph node metastasis animal experiment with nude mice confirmed that oxLDL could promote the lymphatic metastasis of gastric cancer. Following this, the western blotting and ELISA data demonstrated that oxLDL promoted the expression and secretion of vascular endothelia growth factor (VEGF)-C in gastric cancer cell lines. Finally, blocking the lectin-like oxLDL-1 (LOX-1) receptor, a specific receptor for oxLDL, and the nuclear factor (NF)-κB signaling pathway following oxLDL (50 µg/ml) treatment in HGC-27 cells revealed that oxLDL could activate the NF-κB signaling pathway mediated by LOX-1, with subsequent upregulation of VEGF-C expression, and secretion in and from gastric cancer cells, and finally that it could promote the lymphatic metastasis of gastric cancer. These data indicate the association between the plasma oxLDL and the lymphatic metastasis of gastric cancer, and indicate that oxLDL elimination may be a potential therapeutic target for the prevention and intervention of early lymph node metastasis in gastric cancer.
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Affiliation(s)
- Caiqi Ma
- Department of Internal Medicine, Affiliated Guangzhou Women and Children's Medical Center, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Jinye Xie
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Chuanghua Luo
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Haofan Yin
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Ruopu Li
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Xi Wang
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Wenjun Xiong
- Department of Gastrointestinal Surgery, Traditional Chinese Medicine Hospital of Guangdong Province, Guangzhou, Guangdong 510080, P.R. China
| | - Ting Zhang
- Department of Laboratory Medicine, The Second Affiliated Hospital of South China University of Technology, Guangzhou, Guangdong 510080, P.R. China
| | - Ping Jiang
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Weiwei Qi
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Ti Zhou
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Zhonghan Yang
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Wei Wang
- Department of Gastrointestinal Surgery, Traditional Chinese Medicine Hospital of Guangdong Province, Guangzhou, Guangdong 510080, P.R. China
| | - Jianxing Ma
- Department of Physiology, University of Oklahoma, Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Guoquan Gao
- Department of Internal Medicine, Affiliated Guangzhou Women and Children's Medical Center, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
| | - Xia Yang
- Department of Internal Medicine, Affiliated Guangzhou Women and Children's Medical Center, Sun Yat‑sen University, Guangzhou, Guangdong 510080, P.R. China
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Deng H, Zhou T, Mo X, Liu C, Yin Y. Low-density lipoprotein promotes lymphatic metastasis of esophageal squamous cell carcinoma and is an adverse prognostic factor. Oncol Lett 2018; 17:1053-1061. [PMID: 30655865 PMCID: PMC6313071 DOI: 10.3892/ol.2018.9683] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 09/19/2018] [Indexed: 01/14/2023] Open
Abstract
The purpose of the current study was to investigate the prognostic role of preoperative serum lipid levels in patients with esophageal squamous cell carcinoma (ESCC) and to preliminarily explore the mechanism of serum lipids in this disease. Preoperative lipids, including total cholesterol, low-density lipoprotein (LDL) cholesterol, high-density lipoprotein (HDL) cholesterol and triglyceride levels, were assessed in 242 patients with ESCC. To eliminate the influence of nutritional status, all patients had previously undergone esophagectomy. Univariate and multivariate Cox regression analyses were performed to identify predictors of overall survival (OS). Associations between significant lipid targets and clinical features were then analyzed and the results were validated using TE-1 and ECa109 esophageal cancer cell lines. The cell proliferation was evaluated with a Cell Counting Kit-8 (CCK8) assay and the cell cycle was assessed with propidium iodide staining and flow cytometry. Univariate analysis revealed that HDL (P=0.048), LDL (P=0.020), Pathological T-staging status (pT status) (P=0.001), Pathological N-staging status (pN status) (P=0.001) and histological differentiation (P=0.002) were significantly associated with OS. Based on multivariate analysis, LDL [hazard ratio (HR)=2.164, P=0.005], pT status (HR=1.714, P=0.001), pN status (HR=1.966, P=0.001) and histological differentiation (HR=4.083, P=0.002) were risk factors in patients with ESCC. A high LDL level (>3.12 mmol/l) was associated with sex (P=0.001), tumor location (P=0.004) and a higher susceptibility to lymphatic metastasis (P=0.007). A CCK8 assay demonstrated that LDL promoted TE-1 and ECa109 cell proliferation, and flow cytometry analysis revealed that treatment with LDL at an appropriate concentration resulted in an accumulation of cells in G2 phase and decreased the number of cells in G1 phase. In summary, the current study identified that preoperative LDL serum level serves an important role in predicting ESCC outcome as LDL promotes lymphatic metastasis. Furthermore, a preliminary mechanism for this association has been validated in vitro.
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Affiliation(s)
- Hongbin Deng
- Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China.,School of Medicine and Life Science, University of Jinan-Shandong Academy of Medical Science, Jinan, Shandong 25022, P.R. China
| | - Tao Zhou
- Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Xinkai Mo
- Department of Laboratory, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Chengxin Liu
- Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Yong Yin
- Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
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Tanaka T, Kawabata K, Sugie S. 4-Nitroquinoline 1-Oxide-Induced Tongue and Esophagus Carcinogenesis in Obese and Diabetic TSOD Mice. World J Oncol 2017; 8:97-104. [PMID: 29147443 PMCID: PMC5650005 DOI: 10.14740/wjon1038w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 08/15/2017] [Indexed: 12/11/2022] Open
Abstract
Background Obesity and diabetes mellitus are associated with lifestyle-related carcinogenesis. They are also risk factors of esophageal adenocarcinoma, but there are only a few reports on association between obesity/diabetes and development of squamous cell carcinoma in the oral cavity and esophagus. In this study, we therefore aimed to determine whether obesity and diabetes affect oral and esophageal carcinogenesis using model mice of obesity and diabetes, the Tsumura Suzuki obese diabetes (TSOD) and Tsumura Suzuki non-obesity (TSNO) control mice, which were treated with 4-nitroquinoline 1-oxide (4-NQO) to produce tongue and esophageal carcinomas. Methods We used 28 each of the male TSOD and TSNO mice of 8 weeks of age. They were divided into the 4-NQO-treated group (n = 20) and untreated group (n = 8). 4-NQO was administered to mice in drinking water at a dose level of 20 ppm for 8 weeks. The untreated group was given distilled water without 4-NQO. At 28 experimental weeks, histopathological examination was performed on all organs including tongue and esophagus. We performed analysis of histopathology of all organs which included buccal capsule (a tongue)/esophagus after an experiment start in 28 weeks. Fasting plasma glucose (FPG) and lipid parameters including total cholesterol (T-Cho), triglyceride (TG), high-density lipoprotein (HDL)-cholesterol and low-density lipoprotein (LDL)-cholesterol were measured and all these parameters were compared between the two genotypes. Also, mRNA expression of eight cytokines including interleukin (IL)-1β, IL-6, IL-17, interferon (IFN)-γ, keratinocyte-derived cytokine (KC), macrophage inflammatory protein (MIP)-1α, MIP-2, and tumor necrosis factor (TNF)-α in the esophageal mucosa was assayed. Results 4-NQO treatment produced proliferative squamous cell lesions (dysplasia, papilloma and carcinoma) in the tongue and esophagus of both the TSOD and TSNO mice. The incidence and multiplicity of tongue tumors were 30% and 0.45 ± 0.83 in the TSOD mice and 30% and 0.40 ± 0.68 in the TSNO mice. The incidence and multiplicity of esophageal tumors were 70% and 2.25 ± 2.29 in the TSOD mice and 30% and 0.60 ± 1.14 (P < 0.01) in the TSNO mice. Conclusion Our findings indicate that the obese and diabetic TSOD mice were susceptible to 4-NQO-induced esophageal carcinogenesis, suggesting risk factors of obese and diabetes for esophageal squamous cell carcinoma. Additionally, the TSOD mice were useful as esophagus carcinogenic model. Our study first reported that 4-NQO induced esophageal cancer in mice.
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Affiliation(s)
- Takuji Tanaka
- Department of Diagnostic Pathology (DDP) & Research Center of Diagnostic Pathology (RC-DiP), Gifu Municipal Hospital, Gifu City, Gifu 500-8513, Japan.,Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu City, Gifu 501-1194, Japan
| | - Kunihiro Kawabata
- Palliative Care Center, Tokai Central Hospital, 4-6-2 Sohara-Higashijima-cho, Kakamigahara 504-8601, Japan
| | - Shigeyuki Sugie
- Department of Pathology, Murakami Memorial Hospital, Asahi University, School of Dentistry, 3-23 Hashimoto-cho, Gifu City, Gifu 500-8523, Japan
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Rai S, Bhatnagar S. Hyperlipidemia, Disease Associations, and Top 10 Potential Drug Targets: A Network View. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2016; 20:152-68. [DOI: 10.1089/omi.2015.0172] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Sneha Rai
- Computational and Structural Biology Laboratory, Division of Biotechnology, Netaji Subhas Institute of Technology, Dwarka, New Delhi, India
| | - Sonika Bhatnagar
- Computational and Structural Biology Laboratory, Division of Biotechnology, Netaji Subhas Institute of Technology, Dwarka, New Delhi, India
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Li L, Ruau DJ, Patel CJ, Weber SC, Chen R, Tatonetti NP, Dudley JT, Butte AJ. Disease risk factors identified through shared genetic architecture and electronic medical records. Sci Transl Med 2014; 6:234ra57. [PMID: 24786325 DOI: 10.1126/scitranslmed.3007191] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Genome-wide association studies have identified genetic variants for thousands of diseases and traits. We evaluated the relationships between specific risk factors (for example, blood cholesterol level) and diseases on the basis of their shared genetic architecture in a comprehensive human disease-single-nucleotide polymorphism association database (VARIMED), analyzing the findings from 8962 published association studies. Similarity between traits and diseases was statistically evaluated on the basis of their association with shared gene variants. We identified 120 disease-trait pairs that were statistically similar, and of these, we tested and validated five previously unknown disease-trait associations by searching electronic medical records (EMRs) from three independent medical centers for evidence of the trait appearing in patients within 1 year of first diagnosis of the disease. We validated that the mean corpuscular volume is elevated before diagnosis of acute lymphoblastic leukemia; both have associated variants in the gene IKZF1. Platelet count is decreased before diagnosis of alcohol dependence; both are associated with variants in the gene C12orf51. Alkaline phosphatase level is elevated in patients with venous thromboembolism; both share variants in ABO. Similarly, we found that prostate-specific antigen and serum magnesium levels were altered before the diagnosis of lung cancer and gastric cancer, respectively. Disease-trait associations identify traits that could serve as future prognostics, if validated through EMR and subsequent prospective trials.
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Affiliation(s)
- Li Li
- Division of Systems Medicine, Department of Pediatrics, Stanford University School of Medicine, 1265 Welch Road, Stanford, CA 94305, USA
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Serum Lipids and the Risk of Gastrointestinal Malignancies in the Swedish AMORIS Study. J Cancer Epidemiol 2012; 2012:792034. [PMID: 22969802 PMCID: PMC3437288 DOI: 10.1155/2012/792034] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Accepted: 07/17/2012] [Indexed: 12/16/2022] Open
Abstract
Background. Metabolic syndrome has been linked to an increased cancer risk, but the role of dyslipidaemia in gastrointestinal malignancies is unclear. We aimed to assess the risk of oesophageal, stomach, colon, and rectal cancers using serum levels of lipid components. Methods. From the Swedish Apolipoprotein Mortality Risk (AMORIS) study, we selected 540,309 participants (> 20 years old) with baseline measurements of total cholesterol (TC), triglycerides (TG), and glucose of whom 84,774 had baseline LDL cholesterol (LDL), HDL cholesterol (HDL), apolipoprotein B (apoB), and apolipoprotein A-I (apoA-I). Multivariate Cox proportional hazards regression was used to assess glucose and lipid components in relation to oesophageal, stomach, colon, and rectal cancer risk. Results. An increased risk of oesophageal cancer was observed in persons with high TG (e.g. HR: 2.29 (95% CI: 1.42–3.68) for the 4th quartile compared to the 1st) and low LDL, LDL/HDL ratio, TC/HDL ratio, log (TG/HDL), and apoB/apoA-I ratio. High glucose and TG were linked with an increased colon cancer risk, while high TC levels were associated with an increased rectal cancer risk. Conclusion. The persistent link between TC and rectal cancer risk as well as between TG and oesophageal and colon cancer risk in normoglycaemic individuals may imply their substantiality in gastrointestinal carcinogenesis.
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15
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Sgourakis G, Gockel I, Lyros O, Lanitis S, Dedemadi G, Polotzek U, Karaliotas C, Lang H. The Use of Neural Networks in Identifying Risk Factors for Lymph Node Metastasis and Recommending Management of T1b Esophageal Cancer. Am Surg 2012. [DOI: 10.1177/000313481207800238] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The objective of this study was to establish a prediction model of lymph node status in T1b esophageal carcinoma and define the best squamous and adenocarcinoma predictors. The literature lacks a satisfactory level of evidence of T1b esophageal cancer management. We performed an analysis pooling the effects of outcomes of 2098 patients enrolled into 37 retrospective studies using “neural networks” as data mining techniques. The percentages for lymph node, lymphatic (L1), and vascular (V1) invasion in Sm1 esophageal cancers were 24, 46, and 20 per cent, respectively. The same parameters apply to Sm2 with 34, 63, and 38 per cent as opposed to Sm3 with 51, 69, and 47 per cent. The respective number of patients with well, moderate, and poor histologic differentiation totaled 267, 752, and 582. The rank order of the predictors of lymph node positivity was, respectively: Grade III, (L1), (V1), Sm3 invasion, Sm2 invasion, and Sm1 invasion. Histologic-type squamous and adenocarcinoma (ADC/SCC) was not included in the model. The best predictors for SCC lymph node positivity were sm3 invasion and (V1). As concerns ADC, the most important predictor was (L1). Submucosal esophageal cancer should be managed with surgical resection. However, this is subject to the histologic type and presence of specific predictors that could well alter the perspective of multimodality management.
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Affiliation(s)
- George Sgourakis
- Department of General and Abdominal Surgery, Johannes Gutenberg University Hospital, Mainz, Germany, and the, Athens, Greece
- 2nd Surgical Department and Surgical Oncology Unit of “Korgialenio–Benakio,” Red Cross Hospital, Athens, Greece
| | - Ines Gockel
- Department of General and Abdominal Surgery, Johannes Gutenberg University Hospital, Mainz, Germany, and the, Athens, Greece
| | - Orestis Lyros
- Department of General and Abdominal Surgery, Johannes Gutenberg University Hospital, Mainz, Germany, and the, Athens, Greece
| | - Sophocles Lanitis
- 2nd Surgical Department and Surgical Oncology Unit of “Korgialenio–Benakio,” Red Cross Hospital, Athens, Greece
| | - Georgia Dedemadi
- 2nd Surgical Department and Surgical Oncology Unit of “Korgialenio–Benakio,” Red Cross Hospital, Athens, Greece
| | - Ursula Polotzek
- Department of General and Abdominal Surgery, Johannes Gutenberg University Hospital, Mainz, Germany, and the, Athens, Greece
| | - Constantine Karaliotas
- 2nd Surgical Department and Surgical Oncology Unit of “Korgialenio–Benakio,” Red Cross Hospital, Athens, Greece
| | - Hauke Lang
- Department of General and Abdominal Surgery, Johannes Gutenberg University Hospital, Mainz, Germany, and the, Athens, Greece
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Gockel I, Sgourakis G, Lyros O, Polotzek U, Schimanski CC, Lang H, Hoppo T, Jobe BA. Risk of lymph node metastasis in submucosal esophageal cancer: a review of surgically resected patients. Expert Rev Gastroenterol Hepatol 2011; 5:371-84. [PMID: 21651355 DOI: 10.1586/egh.11.33] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Endoscopic local procedures are increasingly applied in patients with superficial esophageal cancer as an alternative to radical oncologic resection. The objective of this article is to determine the risk of nodal metastases in submucosal (sm) esophageal cancer, comparing the two predominating histologic tumor types, squamous cell cancer (SCC) and adenocarcinoma (ADC). METHODS A query of PubMed, MEDLINE, Embase and Cochrane Library (1980-2009) using predetermined search terms revealed 675 abstracts, of which 485 full-text articles were reviewed. A total of 105 articles met the selection criteria. A review of article references and consultation with experts revealed additional articles for inclusion. Studies that enrolled patients with submucosal esophageal cancer and provided adequate extractable data were included. RESULTS The pooled outcomes of 7645 patients with esophageal cancer involving the sm level of infiltration were included in the analysis. Overall, the percentage of lymph node metastasis in submucosal cancer was 37%. Lymph node (N), lymphatic (L) and vascular (V) invasion in sm1 esophageal cancers was 27, 46 and 22%, respectively. Within sm2 lesions, N, L and V invasion were involved in 38, 63 and 38% of patients, respectively. Finally, N, L and V involvement in patients with sm3 lesions was 54, 69 and 47%, respectively. The rates of lymph node metastasis for sm1 and sm2 were higher in SCC compared with ADC, whereas the lymph node metastasis for sm3 was comparable, with >50% involvement in both histologic subtypes. SCC revealed an overall more aggressive behavior compared with ADC (N+: 45 vs 26%; L+: 57 vs 37%; V+: 40 vs 18%). DISCUSSION While endoscopic therapy may be adequate in selected patients with 'low-risk' sm1 ADC, submucosal SCC necessitates esophageal resection and systematic lymphadenectomy because of its aggressive nature and tendency for early metastasis.
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Affiliation(s)
- Ines Gockel
- Johannes Gutenberg-University of Mainz, Mainz, Germany.
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Lim HY, Rutkowski JM, Helft J, Reddy ST, Swartz MA, Randolph GJ, Angeli V. Hypercholesterolemic mice exhibit lymphatic vessel dysfunction and degeneration. THE AMERICAN JOURNAL OF PATHOLOGY 2009; 175:1328-37. [PMID: 19679879 DOI: 10.2353/ajpath.2009.080963] [Citation(s) in RCA: 120] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Lymphatic vessels are essential for lipid absorption and transport. Despite increasing numbers of observations linking lymphatic vessels and lipids, little research has been devoted to address how dysregulation of lipid balance in the blood, ie, dyslipidemia, may affect the functional biology of lymphatic vessels. Here, we show that hypercholesterolemia occurring in apolipoprotein E-deficient (apoE(-/-)) mice is associated with tissue swelling, lymphatic leakiness, and decreased lymphatic transport of fluid and dendritic cells from tissue. Lymphatic dysfunction results in part from profound structural abnormalities in the lymphatic vasculature: namely, initial lymphatic vessels were greatly enlarged, and collecting vessels developed notably decreased smooth muscle cell coverage and changes in the distribution of lymphatic vessel endothelial hyaluronic acid receptor-1 (LYVE-1). Our results provide evidence that hypercholesterolemia in adult apoE(-/-) mice is associated with a degeneration of lymphatic vessels that leads to decreased lymphatic drainage and provides an explanation for why dendritic cell migration and, thus, immune priming, are compromised in hypercholesterolemic mice.
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Affiliation(s)
- Hwee Ying Lim
- Department of Microbiology, Immunology Programme, Yoon Loo Lin School of Medicine, National University of Singapore, 28 Medical Drive, Singapore
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Ramakrishnan G, Elinos-Báez CM, Jagan S, Augustine TA, Kamaraj S, Anandakumar P, Devaki T. Silymarin downregulates COX-2 expression and attenuates hyperlipidemia during NDEA-induced rat hepatocellular carcinoma. Mol Cell Biochem 2008; 313:53-61. [PMID: 18373278 DOI: 10.1007/s11010-008-9741-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2008] [Accepted: 03/13/2008] [Indexed: 12/23/2022]
Abstract
Silymarin is a naturally available bioflavonoid and is a strong antioxidant with a capacity to inhibit the formation of tumors in several cancer models. In the present study, we investigated whether dietary supplementation of silymarin has any role in lipid components, lipid-metabolizing enzymes, free fatty acid profile, and expression of cyclooxygenase-2 (COX-2) in N-nitrosodiethylamine (NDEA)-induced hepatocellular carcinoma in rats. NDEA-induced rats showed severe hyperlipidemia along with upregulated expression of COX-2 as revealed by western blotting and immunohistochemistry. Dietary silymarin supplementation attenuated this hyperlipidemia and downregulated the expression of COX-2. Thus we conclude that compounds like silymarin with potent hypolipidemic effect are strong candidates as chemopreventive agents for the treatment of liver cancer.
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Saito H, Sato T, Miyazaki M. Extramural lymphatic drainage from the thoracic esophagus based on minute cadaveric dissections: fundamentals for the sentinel node navigation surgery for the thoracic esophageal cancers. Surg Radiol Anat 2007; 29:531-42. [PMID: 17710360 DOI: 10.1007/s00276-007-0257-6] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2006] [Accepted: 06/11/2007] [Indexed: 02/06/2023]
Abstract
In order to elucidate the lymphatic pathways from the thoracic esophagus, minute dissection of five adult cadavers, from the neck through the diaphragm, was performed. Peri-esophageal lymphatics were dissected from both the anterior and posterior aspects. The topographical differences between the right and left lymphatic drainage were revealed. The right lymphatic drainage system (RDS) was basically longitudinal and multi-stationed. Longitudinal lymphatics were relatively poorly developed in the left lymphatic drainage system (LDS), and direct drainage to the thoracic duct from the left wall of the thoracic esophagus, was frequently observed. The right uppermost thoracic paratracheal node received almost all levels of the right esophageal wall, and this node was thought to be the key node in the RDS. A contralateral lymphatic pathway was relatively frequently observed in the middle and lower thoracic esophagus. These results seemed to be in agreement with the anatomical and clinicopathological data in the literature, and might serve as a basis for sentinel node navigation surgery for the thoracic esophageal cancers.
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Affiliation(s)
- Hiroyuki Saito
- Department of Surgery, Gyoda General Hospital, 376 Mochida, Gyoda, Saitama, Japan.
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Micheli A, Meneghini E, Secreto G, Berrino F, Venturelli E, Cavalleri A, Camerini T, Di Mauro MG, Cavadini E, De Palo G, Veronesi U, Formelli F. Plasma Testosterone and Prognosis of Postmenopausal Breast Cancer Patients. J Clin Oncol 2007; 25:2685-90. [PMID: 17548841 DOI: 10.1200/jco.2006.09.0118] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Purpose High endogenous testosterone is associated with increased breast cancer (BC) risk. We designed this study specifically to assess the long-term prognostic role of testosterone in a cohort of postmenopausal BC patients. Patients and Methods We considered 194 postmenopausal women, operated on for early BC (T1-2N0M0), who never received chemotherapy or hormonal therapy, and who participated in a fenretinide BC prevention trial as untreated controls. Blood samples were collected 3 months (median) after surgery; plasma samples, stored at −80°C, were radioimmunoassayed for testosterone. Median follow-up was 14 years. The main end point was any cancer event. Event-free survival was estimated by the Kaplan-Meier method. Hazard ratios (HRs) of events by testosterone level were estimated by the Cox model, adjusting for age, tumor size, and histology. Results Patients with high testosterone (≥ 0.40 ng/mL, median of distribution) had significantly lower event-free survival than those with low testosterone (log-rank P = .004). The adjusted HR of patients with high versus low testosterone was 2.05 (95% CI, 1.28 to 3.27). High testosterone was also associated with a significantly higher risk of BC events (relapse and second primary) with an adjusted HR of 1.77 (95% CI, 1.06 to 2.96). Eleven second primaries (non-BC) occurred in the high-testosterone group, four in the low-testosterone group. Conclusion High plasma testosterone strongly predicts poorer prognosis in postmenopausal BC patients not administered adjuvant therapy. Testosterone levels should be determined as part of the prognostic work-up.
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Affiliation(s)
- Andrea Micheli
- Department of Preventive and Predictive Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy.
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