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Zhang J, Pang X, Lei L, Zhang J, Zhang X, Chen Z, Zhu J, Jiang Y, Chen G, Wu Y, Wu T, Pan Y, Liu Y, Cui Y, Wang X. LncRNA CRART16/miR-122-5p/FOS axis promotes angiogenesis of gastric cancer by upregulating VEGFD expression. Aging (Albany NY) 2022; 14:4137-4157. [PMID: 35537818 PMCID: PMC9134963 DOI: 10.18632/aging.204078] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 04/11/2022] [Indexed: 11/25/2022]
Abstract
Background: We previously identified a novel lncRNA, CRART16, that could induce cetuximab resistance in colorectal cancer cells. This study explored the relationship of CRART16 expression to gastric cancer progression and the molecular mechanisms involved. Methods: We evaluated CRART16 expression in gastric cancer tissues and adjacent normal tissues from the TCGA database and our hospital. Besides, we assessed its relationship with the overall survival (OS) of patients with gastric cancer. The effects of CRART16 on gastric cancer angiogenesis were determined by endothelial tube formation assay, spheroid sprouting assay, HUVEC invasion assay, and chick embryo chorioallantoic membrane (CAM) assay. The involvement of the lncRNA CRART16/miR-122-5p/FOS axis was analyzed by western blotting and dual-luciferase reporter assay. The functions of CRART16 were confirmed in xenograft mouse models. Results: We found that CRART16 was substantially overexpressed in gastric cancer tissues compared with normal tissues, based on the TCGA database and our clinical samples. High expression of CRART16 correlated with more advanced tumor stages and poor prognosis. Overexpression of CRART16 in gastric cancer cells promoted proliferation, colony formation, angiogenesis, and bevacizumab resistance in vitro, and it promoted tumor growth and angiogenesis in vivo, and vice versa. CRART16 was found to downregulate miR-122-5p by acting as a sponge, upregulating the target oncogene FOS. Afterward, the increased FOS expression led to the upregulation of VEGFD. Conclusion: Our findings demonstrate that CRART16 promotes angiogenesis in vitro and in vivo, and CRART16 is a prognostic marker and therapeutic target in gastric cancer.
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Affiliation(s)
- Junling Zhang
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Xiaocong Pang
- Institute of Clinical Pharmacology, Peking University, Beijing 100034, China.,Department of Pharmacy, Peking University First Hospital, Beijing 100034, China
| | - Lili Lei
- Institute of Clinical Pharmacology, Peking University, Beijing 100034, China.,Department of Pharmacy, Peking University First Hospital, Beijing 100034, China
| | - Jixin Zhang
- Department of Pathology, Peking University First Hospital, Beijing 100034, China
| | - Xiaoqian Zhang
- Department of General Surgery, The Cancer Hospital of the Chinese Academy of Medical Sciences and China National Cancer Center, Beijing 100034, China
| | - Ziyi Chen
- Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jing Zhu
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Yong Jiang
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Guowei Chen
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Yingchao Wu
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Tao Wu
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Yisheng Pan
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Yucun Liu
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
| | - Yimin Cui
- Institute of Clinical Pharmacology, Peking University, Beijing 100034, China.,Department of Pharmacy, Peking University First Hospital, Beijing 100034, China
| | - Xin Wang
- Department of General Surgery, Peking University First Hospital, Beijing 100034, China
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2
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Nienhüser H, Crnovrsanin N, Nerz D, Heckler M, Sisic L, Lasitschka F, Schneider M, Schmidt T. Expression of Angiogenic Proteins in Tumor and Stroma Affects Survival in Patients With Gastric Cancer. J Surg Res 2020; 255:172-180. [PMID: 32563757 DOI: 10.1016/j.jss.2020.05.045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 04/20/2020] [Accepted: 05/06/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Gastric cancer is one of the most frequent malignancies worldwide. Angiogenic growth factors play a crucial role in mediating the crosstalk between cancer cells and the surrounding microenvironment. In this exploratory study, we investigate the impact of angiogenic proteins within the tumor cell or stroma compartment on survival of patients with gastric cancer. MATERIALS AND METHODS In 29 patients, tumor and stromal compartments were separated using laser capture microdissection. Angiogenic protein expression was measured using a bead-based immunoassay and correlated with tumor stage and overall survival. RESULTS Overall survival was significantly shorter in patients with a high stroma concentration of vascular endothelial growth factor (VEGF)-A (23.5 (±17.6) versus 33.6 (±21.0) mo; P = 0.009) and stem cell factor (22.2 (±18.5) versus 33.6 (±21.8) mo; P = 0.01) compared with patients with a low stroma concentration. High stromal VEGF-D showed a trend toward worse survival (26.8 (±22.0) versus 37.2 (±19.0) mo; P = 0.09). We did not observe any significant correlation between tumor-specific expression of angiogenic cytokines and survival. CONCLUSIONS This translational study highlights the difference in clinical impact between tumor and stromal expression of angiogenic proteins. Compartment-specific concentrations of VEGF-A and stem cell factor affect the clinical prognosis and help to identify the best therapy for patients with gastric cancer.
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Affiliation(s)
- Henrik Nienhüser
- Department of General, Visceral and Transplant Surgery, University of Heidelberg, Heidelberg, Germany
| | - Nerma Crnovrsanin
- Department of General, Visceral and Transplant Surgery, University of Heidelberg, Heidelberg, Germany
| | - Daniel Nerz
- Department of General, Visceral and Transplant Surgery, University of Heidelberg, Heidelberg, Germany
| | - Max Heckler
- Department of General, Visceral and Transplant Surgery, University of Heidelberg, Heidelberg, Germany
| | - Leila Sisic
- Department of General, Visceral and Transplant Surgery, University of Heidelberg, Heidelberg, Germany
| | | | - Martin Schneider
- Department of General, Visceral and Transplant Surgery, University of Heidelberg, Heidelberg, Germany
| | - Thomas Schmidt
- Department of General, Visceral and Transplant Surgery, University of Heidelberg, Heidelberg, Germany.
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3
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Russi S, Verma HK, Laurino S, Mazzone P, Storto G, Nardelli A, Zoppoli P, Calice G, La Rocca F, Sgambato A, Lucci V, Falco G, Ruggieri V. Adapting and Surviving: Intra and Extra-Cellular Remodeling in Drug-Resistant Gastric Cancer Cells. Int J Mol Sci 2019; 20:ijms20153736. [PMID: 31370155 PMCID: PMC6695752 DOI: 10.3390/ijms20153736] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/26/2019] [Accepted: 07/29/2019] [Indexed: 02/06/2023] Open
Abstract
Despite the significant recent advances in clinical practice, gastric cancer (GC) represents a leading cause of cancer-related deaths in the world. In fact, occurrence of chemo-resistance still remains a daunting hindrance to effectiveness of the current approach to GC therapy. There is accumulating evidence that a plethora of cellular and molecular factors is implicated in drug-induced phenotypical switching of GC cells. Among them, epithelial-mesenchymal transition (EMT), autophagy, drug detoxification, DNA damage response and drug target alterations, have been reported as major determinants. Intriguingly, resistant GC phenotype may be the result of GC cell-induced tumor microenvironment (TME) remodeling, which is currently emerging as a key player in promoting drug resistance and overcoming cytotoxic effects of drugs. In this review, we discuss the possible mechanisms of drug resistance and their involvement in determining current GC therapies failure.
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Affiliation(s)
- Sabino Russi
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy
| | - Henu Kumar Verma
- Institute of Experimental Endocrinology and Oncology, National Research Council, 80131 Naples, Italy
- Section of Stem Cell and Development, Istituto di Ricerche Genetiche "Gaetano Salvatore" Biogem s.c. a.r.l., 83031 Ariano Irpino, Italy
| | - Simona Laurino
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy
| | - Pellegrino Mazzone
- Section of Stem Cell and Development, Istituto di Ricerche Genetiche "Gaetano Salvatore" Biogem s.c. a.r.l., 83031 Ariano Irpino, Italy
| | - Giovanni Storto
- Department of Nuclear Medicine, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy
| | - Anna Nardelli
- Istituto di Biostrutture e Bioimmagini, Consiglio Nazionale delle Ricerche, 80145 Napoli, Italy
| | - Pietro Zoppoli
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy
| | - Giovanni Calice
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy
| | - Francesco La Rocca
- Laboratory of Clinical Research and Advanced Diagnostics, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy
| | - Alessandro Sgambato
- Scientific Direction, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy
| | - Valeria Lucci
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | - Geppino Falco
- Section of Stem Cell and Development, Istituto di Ricerche Genetiche "Gaetano Salvatore" Biogem s.c. a.r.l., 83031 Ariano Irpino, Italy.
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy.
| | - Vitalba Ruggieri
- Laboratory of Preclinical and Translational Research, IRCCS-Referral Cancer Center of Basilicata (CROB), 85028 Rionero in Vulture (PZ), Italy.
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4
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Jitariu AA, Raica M, Cîmpean AM, Suciu SC. The role of PDGF-B/PDGFR-BETA axis in the normal development and carcinogenesis of the breast. Crit Rev Oncol Hematol 2018; 131:46-52. [PMID: 30293705 DOI: 10.1016/j.critrevonc.2018.08.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 07/10/2018] [Accepted: 08/22/2018] [Indexed: 12/25/2022] Open
Abstract
PDGFs/PDGFRs axis is documented as an important tumor-promoting agent and potential therapeutic target for several human carcinomas, including breast cancer. However, little is known about the role played by the PDGF family members in the normal development of the breast tissue, breast carcinogenesis and tumor-microenvironment dynamics Despite its potent pro-lymphangiogenic effects, PDGF-B/PDGFR-beta axis remains controversial and incompletely elucidated in the field of breast cancer, with emphasis to its differential implications in breast cancer molecular subtypes. Although some data are available concerning this aspect, little or no information is found regarding the role of the PDGF-B/PDGFR-beta axis in rare and aggressive types of breast cancers, such as triple negative breast cancers (TNBCs) and its associated subtypes This review attempted to gather as many data as possible concerning PDGFs family members in the normal breast tissue and in breast carcinogenesis with special focus on their role in diagnosis and therapeutic approach.
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Affiliation(s)
- Adriana-Andreea Jitariu
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania
| | - Marius Raica
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania
| | - Anca Maria Cîmpean
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania.
| | - Silviu Cristian Suciu
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania
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5
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Aguiar PN, Muniz TP, Miranda RR, Tadokoro H, Forones NM, Monteiro IDP, Castelo-Branco P, Janjigian YY, De Mello RA. Current advances in targeted therapies for metastatic gastric cancer: improving patient care. Future Oncol 2016; 12:839-54. [PMID: 26838766 DOI: 10.2217/fon.15.348] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In this article, we review the literature on the current advances in targeted therapies for metastatic gastric cancer aimed at improving patient care. We conclude that the key to guiding targeted therapy is individual biomarkers, which are not completely elucidated. HER2 overexpression is the only predictive biomarker currently in use. Furthermore, it is necessary to understand that gastric tumors are heterogeneous; therefore, is impossible to evaluate a novel biological compound without evaluating personal biomarkers. The selection of patients who are able to receive each treatment is paramount for improving advanced gastric cancer survival and reducing unnecessary costs.
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Affiliation(s)
| | | | | | - Hakaru Tadokoro
- Division of Medical Oncology, Federal University of São Paulo, São Paulo, Brazil
| | | | | | - Pedro Castelo-Branco
- Department of Biomedical Sciences & Medicine, Division of Oncology, University of Algarve, Faro, Portugal
| | - Yelena Y Janjigian
- Department of Medicine, Gastrointestinal Oncology Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Ramon Andrade De Mello
- Department of Medicine, Faculty of Medicine, University of Porto, Porto, Portugal.,Department of Biomedical Sciences & Medicine, Division of Oncology, University of Algarve, Faro, Portugal.,Clinical Research Center & Department of Medical Oncology, Centro Oncológico São Mateus, Ceará Cancer Institute, Rua Papi Junior 1222, Rodolfo Teófilo, CEP 60430-235, Fortaleza-CE, Brazil
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6
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Guo C, Wang W, Shi Q, Chen P, Zhou C. An abnormally high expression of ISL-1 represents a potential prognostic factor in gastric cancer. Hum Pathol 2015; 46:1282-9. [PMID: 26142548 DOI: 10.1016/j.humpath.2015.05.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Revised: 05/06/2015] [Accepted: 05/08/2015] [Indexed: 12/15/2022]
Abstract
Insulin gene enhancer binding protein-1 (ISL-1) is a transcription factor involved in development of the heart, motor neurons, and pancreas. Our previous study indicated that ISL-1 was overexpressed in gastric cancer but not in other gastrointestinal tumors. However, no immunohistochemical or clinicopathological studies of ISL-1 in gastric carcinoma have been performed. The aim of this study was to determine the expression and prognostic value of ISL-1 in gastric carcinoma. A nude mouse xenograft model was established to study the role of ISL-1 on cancer genesis and development in vivo. Overexpression of ISL-1 significantly enhanced the tumorigenicity of NIH3T3 cells in vivo. ISL-1 expression was evaluated using immunohistochemistry in 456 human gastric carcinoma and normal tissues. ISL-1 was significantly overexpressed in gastric adenocarcinoma compared with normal gastric tissues. ISL-1 expression was significantly associated with depth of invasion, lymph node metastasis, TNM stage, and histological grade (P < .05, χ(2) test). Positive ISL-1 expression was associated with poorer 5-year overall survival in gastric cancer (P = .001, log-rank test). Multivariate Cox regression analysis demonstrated that ISL-1 expression (P = .047) could be an independent prognostic factor for overall survival in gastric carcinoma. This study suggests that ISL-1 may be a useful prognostic biomarker and may represent a novel therapeutic target for gastric adenocarcinoma.
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Affiliation(s)
- Chen Guo
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences (Ministry of Education), Key Laboratory of Protein Posttranslational Modifications and Cell Function (Beijing), Peking University,38 Xue Yuan Rd, Beijing 100191, China.
| | - Weiping Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences (Ministry of Education), Key Laboratory of Protein Posttranslational Modifications and Cell Function (Beijing), Peking University,38 Xue Yuan Rd, Beijing 100191, China.
| | - Qiong Shi
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences (Ministry of Education), Key Laboratory of Protein Posttranslational Modifications and Cell Function (Beijing), Peking University,38 Xue Yuan Rd, Beijing 100191, China.
| | - Ping Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences (Ministry of Education), Key Laboratory of Protein Posttranslational Modifications and Cell Function (Beijing), Peking University,38 Xue Yuan Rd, Beijing 100191, China.
| | - Chunyan Zhou
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences (Ministry of Education), Key Laboratory of Protein Posttranslational Modifications and Cell Function (Beijing), Peking University,38 Xue Yuan Rd, Beijing 100191, China.
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7
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Serum vascular endothelial growth factors C and D as forecast tools for patients with gallbladder carcinoma. Tumour Biol 2015; 36:6305-12. [PMID: 25801241 PMCID: PMC4546698 DOI: 10.1007/s13277-015-3316-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 03/08/2015] [Indexed: 12/16/2022] Open
Abstract
Gallbladder carcinoma (GBC) is the most common cancer of the biliary tract. Lymph node metastasis (LNM) is the major diffusion route of GBC and is a prognosis factor. The aim of study was to assess the potential of the serum VEGF-C and VEGF-D (sVEGF-C/D) levels to predict the presence of LNM and the survival of GBC patients. The preoperative sVEGF-C/D levels of 31 patients with GBC, 10 patients with cholesterol polyps, and 10 healthy volunteers were measured by enzyme-linked immunoadsorbent assay (ELISA). The sVEGF-C/D levels of patients with GBC were significantly higher than those of people with healthy gallbladders (p < 0.001 and p = 0.001, respectively) and cholesterol polyp (p = 0.032 and p = 0.004, respectively). In GBC, the sVEGF-C levels were associated with LNM (p = 0.011), distant metastasis (p = 0.018), and stage (p = 0.045), but the sVEGF-D levels had a significant association with the tumor depth (p = 0.001), LNM (p = 0.001), distant metastasis (p = 0.047), and stage (p = 0.002). The sVEGF-C/D diagnostic values for the presence of GBC were sensitivity of 71.0 and 74.2 % and specificity of 80.0 and 85.0 %, respectively. With respect to the diagnosis of LNM, the diagnostic values of sVEGF-C/D were as follows: sensitivity 81.2 and 87.5 % and specificity 73.3 and 80.0 %, respectively. The mean survival time with high sVEGF-C was significantly shorter than that with low sVEGF-C (p < 0.001), which was also true for low sVEGF-D (p = 0.032). The preoperative sVEGF-C/D levels might be reliable biomarkers for the presence of disease and LNM in patients with GBC. The sVEGF-C/D levels may be prognosis factors that can predict a poor outcome for GBC patients.
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8
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Jitariu AA, Cimpean AM, Kundnani NR, Raica M. Platelet-derived growth factors induced lymphangiogenesis: evidence, unanswered questions and upcoming challenges. Arch Med Sci 2015; 11:57-66. [PMID: 25861290 PMCID: PMC4379379 DOI: 10.5114/aoms.2015.49217] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Revised: 11/20/2013] [Accepted: 12/04/2013] [Indexed: 01/03/2023] Open
Abstract
Crosstalk between angiogenesis and lymphangiogenesis in embryonic development continues during postnatal life and has specific mechanisms involving factors that initiate activation of the intracellular cascade for their specific receptors. Platelet-derived growth factors (PDGFs) and their corresponding receptors (PDGFRs) are known as important regulators of blood vessel development in both normal and pathologic angiogenesis. Despite some recent papers which reported a potential role of the PDGF/PDGFR axis in lymphatic spread of tumor cells, a few papers have suggested the potential role of PDGFs in tumor lymphangiogenesis development. The present paper summarizes the potential lymphangiogenic role of the PDGF/PDGFR axis, underlying upcoming challenges in the field.
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Affiliation(s)
| | | | | | - Marius Raica
- Victor Babes University of Medicine and Pharmacy, Timisoara, Romania
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9
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The role of tumour microenvironment in gastric cancer angiogenesis. GASTROENTEROLOGY REVIEW 2014; 9:325-8. [PMID: 25653726 PMCID: PMC4300347 DOI: 10.5114/pg.2014.47894] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Revised: 09/26/2012] [Accepted: 10/16/2012] [Indexed: 01/21/2023]
Abstract
Gastric cancer is one of the most common cancers in the world. More than 95% of gastric cancers are adenocarcinomas originating from the glandular epithelium of the stomach lining. Unfortunately, a large number of patients are diagnosed when the tumour is at unresectable stage. Therefore, it is very important to understand the mechanisms involved in gastric cancer pathogenesis. One of them is angiogenesis, which means the formation of new blood vessels from pre-existing vasculature. This process is dependent on interactions between the tumour and surrounding stromal cells which create the tumour microenvironment. Moreover, both tumour and stromal cells release a wide array of angiogenic factors that have an influence on endothelial cell recruitment and thus affect the process of angiogenesis. In this paper we discuss the role of tumour microenvironment in gastric cancer angiogenesis.
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10
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Kim JY, Jeon TJ, Bae BN, Kwon JE, Kim HJ, Park K, Shin E. The prognostic significance of growth factors and growth factor receptors in gastric adenocarcinoma. APMIS 2012; 121:95-104. [PMID: 23030255 DOI: 10.1111/j.1600-0463.2012.02942.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2012] [Accepted: 05/25/2012] [Indexed: 12/18/2022]
Abstract
We evaluated growth factors/receptors expression in gastric adenocarcinoma. Immunohistochemistry was used to evaluate epidermal growth factor receptor (EGFR), vascular endothelial growth factor (VEGF), VEGF-D, VEGF receptor (VEGFR)-2, VEGFR-3, transforming growth factor (TGF)-α, TGF-β1, and TGF-β-RII in tissue microarrays of adenocarcinoma, dysplasia, metaplasia, and gastritis. In adenocarcinoma, the expression rates of EGFR, VEGF, VEGF-D, VEGFR-2, VEGFR-3, TGF-α, TGF-β1, and TGF-β-RII were 2.0%, 0%, 10.7%, 4.4%, 11.2%, 26.3%, 9.4%, and 19.5%, respectively. VEGF-D, TGF-α, TGF-β1, and TGF-β-RII expression rate were higher in adenocarcinoma than in other groups. TGF-β-RII expression was correlated with VEGFR-3, VEGF-D, and TGF-α expression in adenocarcinomas. Tumor location, histologic type, stage, lymphatic invasion, perineural invasion, angioinvasion, VEGF-D, and VEGFR-2 expressions were associated with patient survival in a log rank test and advanced stage and positive expression of VEGF-D were poor prognostic factors using Cox analysis. VEGF-D expression may be of prognostic value in gastric adenocarcinoma, whereas EGFR and TGF family expression may only have a minor influence.
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Affiliation(s)
- Jung Yeon Kim
- Department of Pathology, Inje University Sanggye Paik Hospital, Seoul, Korea.
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11
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Immunohistochemical biomarkers in gastric cancer research and management. Int J Surg Oncol 2012; 2012:868645. [PMID: 22778942 PMCID: PMC3388584 DOI: 10.1155/2012/868645] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2012] [Revised: 04/22/2012] [Accepted: 04/25/2012] [Indexed: 12/25/2022] Open
Abstract
Gastric cancer still represents a major health problem, despite a decrease in its incidence in the last years. Due to the social impact of gastric cancer (GC), there is a need for novel biomarkers in order to stratify patients into appropriate screening, surveillance, or treatment programs. Although histopathology remains the most reliable and less expensive method, numerous efforts have been made searching for novel biomarkers. In recent years, several molecules have been identified and tested for their clinical relevance in GC management. In this paper, we will focus on a well-known GC marker, whose determination is mandatory in GC, HER2, a marker whose correlation with prognosis is still controversial (VEGF-A) and a quite novel, unconventional marker, the ether-à-go-go-related gene 1 (hERG1). All these proteins can be easily detected with immunohistochemistry, a technique widely used both in diagnostic and research laboratories that represents a link between surgical and molecular pathology, basic science, and clinical medicine.
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12
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Tumor lymphangiogenesis as a potential therapeutic target. JOURNAL OF ONCOLOGY 2012; 2012:204946. [PMID: 22481918 PMCID: PMC3307004 DOI: 10.1155/2012/204946] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Revised: 10/10/2011] [Accepted: 10/31/2011] [Indexed: 12/18/2022]
Abstract
Metastasis the spread of cancer cells to distant organs, is the main cause of death for cancer patients. Metastasis is often mediated by lymphatic vessels that invade the primary tumor, and an early sign of metastasis is the presence of cancer cells in the regional lymph node (the first lymph node colonized by metastasizing cancer cells from a primary tumor). Understanding the interplay between tumorigenesis and lymphangiogenesis (the formation of lymphatic vessels associated with tumor growth) will provide us with new insights into mechanisms that modulate metastatic spread. In the long term, these insights will help to define new molecular targets that could be used to block lymphatic vessel-mediated metastasis and increase patient survival. Here, we review the molecular mechanisms of embryonic lymphangiogenesis and those that are recapitulated in tumor lymphangiogenesis, with a view to identifying potential targets for therapies designed to suppress tumor lymphangiogenesis and hence metastasis.
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