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Tapoi DA, Popa ML, Tanase C, Derewicz D, Gheorghișan-Gălățeanu AA. Role of Tumor Microenvironment in Pituitary Neuroendocrine Tumors: New Approaches in Classification, Diagnosis and Therapy. Cancers (Basel) 2023; 15:5301. [PMID: 37958474 PMCID: PMC10649263 DOI: 10.3390/cancers15215301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/29/2023] [Accepted: 11/04/2023] [Indexed: 11/15/2023] Open
Abstract
Adenohypophysal pituitary tumors account for 10-15% of all intracranial tumors, and 25-55% display signs of invasiveness. Nevertheless, oncology still relies on histopathological examination to establish the diagnosis. Considering that the classification of pituitary tumors has changed significantly in recent years, we discuss the definition of aggressive and invasive tumors and the latest molecular criteria used for classifying these entities. The pituitary tumor microenvironment (TME) is essential for neoplastic development and progression. This review aims to reveal the impact of TME characteristics on stratifying these tumors in view of finding appropriate therapeutic approaches. The role of the pituitary tumor microenvironment and its main components, non-tumoral cells and soluble factors, has been addressed. The variable display of different immune cell types, tumor-associated fibroblasts, and folliculostellate cells is discussed in relation to tumor development and aggressiveness. The molecules secreted by both tumoral and non-tumoral cells, such as VEGF, FGF, EGF, IL6, TNFα, and immune checkpoint molecules, contribute to the crosstalk between the tumor and its microenvironment. They could be considered potential biomarkers for diagnosis and the invasiveness of these tumors, together with emerging non-coding RNA molecules. Therefore, assessing this complex network associated with pituitary neuroendocrine tumors could bring a new era in diagnosing and treating this pathology.
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Affiliation(s)
- Dana Antonia Tapoi
- Department of Pathology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Department of Pathology, University Emergency Hospital, 050098 Bucharest, Romania
| | - Maria-Linda Popa
- Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania;
| | - Cristiana Tanase
- Victor Babes National Institute of Pathology, 050096 Bucharest, Romania;
- Department of Cell Biology and Clinical Biochemistry, Faculty of Medicine, Titu Maiorescu University, 031593 Bucharest, Romania
| | - Diana Derewicz
- Department of Pediatrics, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Department of Pediatric Hematology and Oncology, Marie Sklodowska Curie Clinical Emergency Hospital, 041447 Bucharest, Romania
| | - Ancuța-Augustina Gheorghișan-Gălățeanu
- Department of Cellular and Molecular Biology and Histology, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- C.I. Parhon National Institute of Endocrinology, 011863 Bucharest, Romania
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Robertson IJ, Gregory TA, Waguespack SG, Penas-Prado M, Majd NK. Recent Therapeutic Advances in Pituitary Carcinoma. JOURNAL OF IMMUNOTHERAPY AND PRECISION ONCOLOGY 2023; 6:74-83. [PMID: 37214211 PMCID: PMC10195013 DOI: 10.36401/jipo-22-25] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/07/2022] [Accepted: 10/18/2022] [Indexed: 05/24/2023]
Abstract
Pituitary carcinoma (PC) is a rare, aggressive malignancy that comprises 0.1-0.2% of all pituitary tumors. PC is defined anatomically as a pituitary tumor that metastasizes outside the primary intrasellar location as noncontiguous lesions in the central nervous system or as metastases to other organs. Similar to pituitary adenoma, PC originates from various cell types of the pituitary gland and can be functioning or nonfunctioning, with the former constituting the majority of the cases. Compression of intricate skull-based structures, excessive hormonal secretion, impaired pituitary function from therapy, and systemic metastases lead to debilitating symptoms and a poor survival outcome in most cases. PC frequently recurs despite multimodality treatments, including surgical resection, radiotherapy, and biochemical and cytotoxic treatments. There is an unmet need to better understand the pathogenesis and molecular characterization of PC to improve therapeutic strategies. As our understanding of the role of signaling pathways in the tumorigenesis of and malignant transformation of PC evolves, efforts have focused on targeted therapy. In addition, recent advances in the use of immune checkpoint inhibitors to treat various solid cancers have led to an interest in exploring the role of immunotherapy for the treatment of aggressive refractory pituitary tumors. Here, we review our current understanding of the pathogenesis, molecular characterization, and treatment of PC. Particular attention is given to emerging treatment options, including targeted therapy, immunotherapy, and peptide receptor radionuclide therapy.
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Affiliation(s)
- Ian J. Robertson
- Department of Internal Medicine, Walter Reed National Military Medical Center, Bethesda, MD, USA
| | - Timothy A. Gregory
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Steven G. Waguespack
- Department of Endocrine Neoplasia and Hormonal Disorders, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Marta Penas-Prado
- Neuro-Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Nazanin K. Majd
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Khayer N, Jalessi M, Jahanbakhshi A, Tabib Khooei A, Mirzaie M. Nkx3-1 and Fech genes might be switch genes involved in pituitary non-functioning adenoma invasiveness. Sci Rep 2021; 11:20943. [PMID: 34686726 PMCID: PMC8536755 DOI: 10.1038/s41598-021-00431-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 10/12/2021] [Indexed: 12/12/2022] Open
Abstract
Non-functioning pituitary adenomas (NFPAs) are typical pituitary macroadenomas in adults associated with increased mortality and morbidity. Although pituitary adenomas are commonly considered slow-growing benign brain tumors, numerous of them possess an invasive nature. Such tumors destroy sella turcica and invade the adjacent tissues such as the cavernous sinus and sphenoid sinus. In these cases, the most critical obstacle for complete surgical removal is the high risk of damaging adjacent vital structures. Therefore, the development of novel therapeutic strategies for either early diagnosis through biomarkers or medical therapies to reduce the recurrence rate of NFPAs is imperative. Identification of gene interactions has paved the way for decoding complex molecular mechanisms, including disease-related pathways, and identifying the most momentous genes involved in a specific disease. Currently, our knowledge of the invasion of the pituitary adenoma at the molecular level is not sufficient. The current study aimed to identify critical biomarkers and biological pathways associated with invasiveness in the NFPAs using a three-way interaction model for the first time. In the current study, the Liquid association method was applied to capture the statistically significant triplets involved in NFPAs invasiveness. Subsequently, Random Forest analysis was applied to select the most important switch genes. Finally, gene set enrichment (GSE) and gene regulatory network (GRN) analyses were applied to trace the biological relevance of the statistically significant triplets. The results of this study suggest that "mRNA processing" and "spindle organization" biological processes are important in NFAPs invasiveness. Specifically, our results suggest Nkx3-1 and Fech as two switch genes in NFAPs invasiveness that may be potential biomarkers or target genes in this pathology.
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Affiliation(s)
- Nasibeh Khayer
- Skull Base Research Center, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Jalessi
- Skull Base Research Center, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran.
- ENT and Head & Neck Research Center and Department, Hazrat Rasoul Hospital, Iran University of Medical Sciences, Tehran, Iran.
| | - Amin Jahanbakhshi
- Skull Base Research Center, The Five Senses Health Institute, Iran University of Medical Sciences, Tehran, Iran
- Neurology Department, Hazrat Rasoul Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Tabib Khooei
- Neurology Department, Hazrat Rasoul Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Mehdi Mirzaie
- Department of Applied Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, Tehran, Iran.
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Shen X, Liu Q, Xu J, Wang Y. Correlation between the Expression of Interleukin-6, STAT3, E-Cadherin and N-Cadherin Protein and Invasiveness in Nonfunctional Pituitary Adenomas. J Neurol Surg B Skull Base 2021; 82:e59-e69. [PMID: 34306918 DOI: 10.1055/s-0039-1700499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 09/13/2019] [Indexed: 10/25/2022] Open
Abstract
Objective This study aimed to investigate the expression of interleukin (IL)-6, signal transducer and activator of transcription 3 (STAT3), epithelial-cadherin (E- cadherin) and neural-cadherin (N-cadherin) proteins in nonfunctional pituitary adenomas, and their correlation with invasiveness. Methods Thirty cases of nonfunctional pituitary adenoma pathological wax specimens were selected from our hospital, including 20 cases of invasive nonfunctional pituitary adenoma (INFPA) and 10 noninvasive nonfunctional pituitary adenomas (NNFPAs). Envision was used to detect IL-6, STAT3, E-cadherin , and N-cadherin in specimens. Statistical methods were used to analyze the correlation between the four proteins and the Knosp classification of nonfunctional pituitary adenomas. Result IL-6 and STAT3 were highly expressed in INFPAs but poorly expressed in NNFPAs. E-cadherin expression in INFPAs was lower than that in NNFPAs. N-cadherin was positive or strongly positive in both groups. Spearman's correlation analysis showed that the expression of IL-6 and STAT3 was positively correlated with Knosp's classification, whereas the expression of E-cadherin was negatively correlated with Knosp classification. Meanwhile, the expression of N-cadherin was not correlated with Knosp's classification. Conclusion The expression of the IL-6, STAT3, E-cadherin proteins were associated nonfunctional pituitary adenomas. However, the expression of N-cadherin was not correlated with nonfunctional pituitary adenomas.
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Affiliation(s)
- Xiaoxu Shen
- Department of Neurosurgery, The First Affiliated Hospital of Medical College, Shihezi University, Shihezi, China
| | - Qi Liu
- Department of Neurosurgery, The First Affiliated Hospital of Medical College, Shihezi University, Shihezi, China
| | - Jian Xu
- Department of Neurosurgery, The First Affiliated Hospital of Medical College, Shihezi University, Shihezi, China
| | - Yang Wang
- Department of Neurosurgery, The First Affiliated Hospital of Medical College, Shihezi University, Shihezi, China
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Cheng T, Wang Y, Lu M, Zhan X, Zhou T, Li B, Zhan X. Quantitative Analysis of Proteome in Non-functional Pituitary Adenomas: Clinical Relevance and Potential Benefits for the Patients. Front Endocrinol (Lausanne) 2019; 10:854. [PMID: 31920968 PMCID: PMC6915109 DOI: 10.3389/fendo.2019.00854] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 11/21/2019] [Indexed: 12/26/2022] Open
Abstract
Background: Non-functional pituitary adenoma (NFPA) is a common tumor that occurs in the pituitary gland, and generally without any symptoms at its early stage and without clinical elevation of hormones, which is commonly diagnosed when it grows up to compress its surrounding tissues and organs. Currently, the pathogenesis of NFPA has not been clarified yet. It is necessary to investigate molecular alterations in NFPA, and identify reliable biomarkers and drug therapeutic targets for effective treatments. Methods: Tandem mass tags (TMT)-based quantitative proteomics was used to identify and quantify proteins in NFPAs. GO and KEGG enrichment analyses were used to analyze the identified proteins. Differentially expressed genes (DEGs) between NFPA and control tissues were obtained from GEO datasets. These two sets of protein and gene data were analyzed to obtain overlapped molecules (genes; proteins), followed by further GO and KEGG pathway analyses of these overlapped molecules, and molecular network analysis to obtain the hub molecules with Cytoscape. Two hub molecules (SRC and AKT1) were verified with Western blotting. Results: Totally 6076 proteins in NFPA tissues were identified, and 3598 DEGs between NFPA and control tissues were identified from GEO database. Overlapping analysis of 6076 proteins and 3598 DEGs obtained 1088 overlapped molecules (DEGs; proteins). KEGG pathway analysis of 6076 proteins obtained 114 statistically significant pathways, including endocytosis, and spliceosome signaling pathways. KEGG pathway analysis of 1088 overlapped molecules obtained 52 statistically significant pathways, including focal adhesion, cGMP-PKG pathway, and platelet activation signaling pathways. These pathways play important roles in cell energy supply, adhesion, and maintenance of the tumor microenvironment. According to the association degree in Cytoscape, ten hub molecules (DEGs; proteins) were identified, including GAPDH, ALB, ACACA, SRC, ENO2, CALM1, POTEE, HSPA8, DECR1, and AKT1. Western-blotting analysis confirmed the upregulated expressions of SRC and PTMScan experiment confirmed the increased levels of pAKT1, in NFPAs compared to controls. Conclusions: This study established the large-scale quantitative protein profiling of NFPA tissue proteome. It offers a basis for subsequent in-depth proteomics analysis of NFPAs, and insight into the molecular mechanism of NFPAs. It also provided the basic data to discover reliable biomarkers and therapeutic targets for NFPA patients.
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Affiliation(s)
- Tingting Cheng
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
| | - Ya Wang
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
| | - Miaolong Lu
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaohan Zhan
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
| | - Tian Zhou
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
| | - Biao Li
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
| | - Xianquan Zhan
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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Li N, Zhan X. Mitochondrial Dysfunction Pathway Networks and Mitochondrial Dynamics in the Pathogenesis of Pituitary Adenomas. Front Endocrinol (Lausanne) 2019; 10:690. [PMID: 31649621 PMCID: PMC6794370 DOI: 10.3389/fendo.2019.00690] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 09/23/2019] [Indexed: 12/17/2022] Open
Abstract
Mitochondrion is a multi-functional organelle, which is associated with various signaling pathway networks, including energy metabolism, oxidative stress, cell apoptosis, cell cycles, autophagy, and immunity process. Mitochondrial proteins have been discovered to modulate these signaling pathway networks, and multiple biological behaviors to adapt to various internal environments or signaling events of human pathogenesis. Accordingly, mitochondrial dysfunction that alters the bioenergetic and biosynthetic state might contribute to multiple diseases, including cell transformation and tumor. Multiomics studies have revealed that mitochondrial dysfunction, oxidative stress, and cell cycle dysregulation signaling pathways operate in human pituitary adenomas, which suggest mitochondria play critical roles in pituitary adenomas. Some drugs targeting mitochondria are found as a therapeutic strategy for pituitary adenomas, including melatonin, melatonin inhibitors, temozolomide, pyrimethamine, 18 beta-glycyrrhetinic acid, gossypol acetate, Yougui pill, T-2 toxin, grifolic acid, cyclosporine A, dopamine agonists, and paeoniflorin. This article reviews the latest experimental evidence and potential biological roles of mitochondrial dysfunction and mitochondrial dynamics in pituitary adenoma progression, potential molecular mechanisms between mitochondria and pituitary adenoma progression, and current status and perspectives of mitochondria-based biomarkers and targeted drugs for effective management of pituitary adenomas.
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Affiliation(s)
- Na Li
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
| | - Xianquan Zhan
- Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, Changsha, China
- State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, China
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Zhou K, Li S, Du G, Fan Y, Wu P, Sun H, Zhang T. LncRNA XIST depletion prevents cancer progression in invasive pituitary neuroendocrine tumor by inhibiting bFGF via upregulation of microRNA-424-5p. Onco Targets Ther 2019; 12:7095-7109. [PMID: 31564894 PMCID: PMC6730611 DOI: 10.2147/ott.s208329] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 07/30/2019] [Indexed: 12/18/2022] Open
Abstract
Background Long noncoding RNAs (lncRNAs) are vital mediators in human cancers including pituitary neuroendocrine tumor (PitNET) and could function as competing endogenous RNAs (ceRNAs) of microRNAs (miRNAs). The main objective of this study is to identify effect of lncRNA X-inactive specific transcript (XIST) and microRNA-424-5p (miR-424-5p) on PitNET. Methods Microarray analysis was employed to identify the PitNET-related differentially expressed lncRNAs. PitNET tissues, including both invasive and non-invasive subtypes in parallel with normal pituitary tissues were collected for the determination of the expression of XIST, miR-424-5p and basic fibroblast growth factor (bFGF) and the interaction among them. Subsequently, the expression of XIST, miR-424-5p and bFGF in PitNET cells was altered to elucidate their biological significance in the aspects of proliferation, migration, invasion, and the apoptosis. Results Both XIST and bFGF exhibited high expression, but miR-424-5p had a low expression in invasive PitNET tissues as compared to non-invasive PitNET normal pituitary tissues. Additionally, XIST competitively bound to miR-424-5p to elevate the expression of bFGF. Furthermore, depleted XIST or bFGF, or elevated miR-424-5p was revealed to suppress the proliferation, migration, invasion, and promote cell cycle arrest and apoptosis of invasive PitNET cells. miR-424-5p repressed the proliferation, migration, invasion of invasive PitNET cells by targeting bFGF. Conclusion In conclusion, the fundamental findings of the present study suggested that the functional suppression of XIST downregulated bFGF to inhibit the development of PitNET by increasing miR-424-5p expression, proposing XIST as a novel therapeutic target for PitNET.
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Affiliation(s)
- Kai Zhou
- Department of Neurosurgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, People's Republic of China
| | - Shaoshan Li
- Department of Neurosurgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, People's Republic of China
| | - Guojia Du
- Department of Neurosurgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, People's Republic of China
| | - Yandong Fan
- Department of Neurosurgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, People's Republic of China
| | - Pengfei Wu
- Department of Neurosurgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, People's Republic of China
| | - Hongjie Sun
- Department of Neurosurgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, People's Republic of China
| | - Tingrong Zhang
- Department of Neurosurgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, People's Republic of China
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Akl MR, Nagpal P, Ayoub NM, Tai B, Prabhu SA, Capac CM, Gliksman M, Goy A, Suh KS. Molecular and clinical significance of fibroblast growth factor 2 (FGF2 /bFGF) in malignancies of solid and hematological cancers for personalized therapies. Oncotarget 2016; 7:44735-44762. [PMID: 27007053 PMCID: PMC5190132 DOI: 10.18632/oncotarget.8203] [Citation(s) in RCA: 130] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Accepted: 03/10/2016] [Indexed: 12/30/2022] Open
Abstract
Fibroblast growth factor (FGF) signaling is essential for normal and cancer biology. Mammalian FGF family members participate in multiple signaling pathways by binding to heparan sulfate and FGF receptors (FGFR) with varying affinities. FGF2 is the prototype member of the FGF family and interacts with its receptor to mediate receptor dimerization, phosphorylation, and activation of signaling pathways, such as Ras-MAPK and PI3K pathways. Excessive mitogenic signaling through the FGF/FGFR axis may induce carcinogenic effects by promoting cancer progression and increasing the angiogenic potential, which can lead to metastatic tumor phenotypes. Dysregulated FGF/FGFR signaling is associated with aggressive cancer phenotypes, enhanced chemotherapy resistance and poor clinical outcomes. In vitro experimental settings have indicated that extracellular FGF2 affects proliferation, drug sensitivity, and apoptosis of cancer cells. Therapeutically targeting FGF2 and FGFR has been extensively assessed in multiple preclinical studies and numerous drugs and treatment options have been tested in clinical trials. Diagnostic assays are used to quantify FGF2, FGFRs, and downstream signaling molecules to better select a target patient population for higher efficacy of cancer therapies. This review focuses on the prognostic significance of FGF2 in cancer with emphasis on therapeutic intervention strategies for solid and hematological malignancies.
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Affiliation(s)
- Mohamed R. Akl
- Genomics and Biomarkers Program, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Poonam Nagpal
- Genomics and Biomarkers Program, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Nehad M. Ayoub
- Department of Clinical Pharmacy, Faculty of Pharmacy, Jordan University of Science and Technology, Irbid, Jordan
| | - Betty Tai
- Genomics and Biomarkers Program, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Sathyen A. Prabhu
- Genomics and Biomarkers Program, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Catherine M. Capac
- Genomics and Biomarkers Program, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Matthew Gliksman
- Genomics and Biomarkers Program, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Andre Goy
- Lymphoma Division, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
| | - K. Stephen Suh
- Genomics and Biomarkers Program, The John Theurer Cancer Center, Hackensack University Medical Center, Hackensack, NJ, USA
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Sánchez Ramírez J, Morera Díaz Y, Musacchio Lasa A, Bequet-Romero M, Muñoz Pozo Y, Pérez Sánchez L, Hernández-Bernal F, Mendoza Fuentes O, Selman-Housein KH, Gavilondo Cowley JV, Ayala Avila M. Indirect and competitive enzyme-linked immunosorbent assays for monitoring the humoral response against human VEGF. J Immunoassay Immunochem 2016; 37:636-58. [PMID: 27143151 DOI: 10.1080/15321819.2016.1184164] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
CIGB-247, a VEGF-based vaccine, was studied in a clinical trial. This advance demands the refinement of the methodologies for assessment of vaccine immune responses. This study aimed to improve the performance of ELISAs for detecting IgG antibodies against human VEGF and the blocking activity of the serum to inhibit the VEGF/VEGFR2 interaction. The best experimental conditions were established through the evaluation of several blocking buffers, immobilization surfaces, and plate suppliers using human sera as test samples. As a result, two controlled ELISAs were used in testing of elicited immune response against VEGF in patients immunized with CIGB-247.
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Affiliation(s)
- Javier Sánchez Ramírez
- a Department of Pharmaceuticals , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Yanelys Morera Díaz
- a Department of Pharmaceuticals , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Alexis Musacchio Lasa
- b Department of Bioinformatics , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Mónica Bequet-Romero
- a Department of Pharmaceuticals , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Yasmiana Muñoz Pozo
- a Department of Pharmaceuticals , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Lincidio Pérez Sánchez
- a Department of Pharmaceuticals , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Francisco Hernández-Bernal
- c Department of Clinical Research , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Osmany Mendoza Fuentes
- d Animal Facility , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | | | - Jorge Víctor Gavilondo Cowley
- a Department of Pharmaceuticals , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
| | - Marta Ayala Avila
- a Department of Pharmaceuticals , Center for Genetic Engineering and Biotechnology (CIGB) , Playa Cubanacán, Havana , Cuba
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Tanase C, Albulescu R, Codrici E, Calenic B, Popescu ID, Mihai S, Necula L, Cruceru ML, Hinescu ME. Decreased expression of APAF-1 and increased expression of cathepsin B in invasive pituitary adenoma. Onco Targets Ther 2015; 8:81-90. [PMID: 25565868 PMCID: PMC4278787 DOI: 10.2147/ott.s70886] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
PURPOSE Apoptotic protease-activating factor-1 (APAF-1) and cathepsin B are important functional proteins in apoptosis; the former is involved in the intrinsic (mitochondrial) pathway, while the latter is associated with both intrinsic and extrinsic pathways. Changes in the expression of apoptosome-related proteins could be useful indicators of tumor development since a priori defects in the mitochondrial pathway might facilitate the inception and progression of human neoplasms. Our aim was to evaluate the profiles of APAF-1 and cathepsin B in relation with other molecules involved in apoptosis/proliferation and to correlate them with the aggressive behavior of invasive pituitary adenomas. MATERIALS AND METHODS APAF-1 and cathepsin B were assessed in tissue samples from 30 patients with pituitary adenomas, of which 16 were functional adenomas and 22 were invasive adenomas. RESULTS A positive relationship between high proliferation and invasiveness was observed in invasive pituitary adenomas when compared to their noninvasive counterparts (Ki-67 labeling index - 4.72% versus 1.75%). Decreased expression of APAF-1 was recorded in most of the invasive adenomas with a high proliferation index, while the cathepsin B level was elevated in this group. We have noticed a negative correlation between the low level of APAF-1 and invasiveness (63.63%; P<0.01); at the same time, a positive correlation between cathepsin B expression and invasiveness (59.09%; P<0.01) was found. In all, 81.25% out of the total APAF-1-positive samples were cathepsin B negative (P<0.01); 76.92% out of the total cathepsin B-positive samples were APAF-1-negative (P<0.01). These results were reinforced by an apoptosis protein array examination, which showed inhibition of the extrinsic apoptotic pathway in an invasive pituitary adenoma. CONCLUSION A bidirectional-inverted relationship between APAF-1 and cathepsin B expressions was noticed. One might hypothesize that shifting the balance between mediators of cell death could result in changes in tumor behavior.
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Affiliation(s)
- Cristiana Tanase
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
- Correspondence: Cristiana Tanase, “Victor Babes” National Institute of Pathology, no 99-101 Splaiul Independentei, 050096, Sector 5 Bucharest, Romania, Tel +40 213 194 528, Fax +40 213 194 528, Email
| | - Radu Albulescu
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
- National Institute for Chemical Pharmaceutical R&D, Department of Biochemistry, Bucharest, Romania
| | - Elena Codrici
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
| | - Bogdan Calenic
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
- “Carol Davila” University of Medicine and Pharmacy, Department of Biochemistry, Bucharest, Romania
| | - Ionela Daniela Popescu
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
| | - Simona Mihai
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
| | - Laura Necula
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
- Stefan S. Nicolau Institute of Virology, Cellular and Molecular Pathology, Cellular and Molecular Medicine Department, Bucharest, Romania
| | - Maria Linda Cruceru
- “Carol Davila” University of Medicine and Pharmacy, Cellular and Molecular Medicine Department, Bucharest, Romania
| | - Mihail Eugen Hinescu
- “Victor Babes” National Institute of Pathology, Biochemistry-Proteomics Department, Bucharest, Romania
- “Carol Davila” University of Medicine and Pharmacy, Cellular and Molecular Medicine Department, Bucharest, Romania
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