1
|
Modica R, La Salvia A, Liccardi A, Cozzolino A, Di Sarno A, Russo F, Colao A, Faggiano A. Dyslipidemia, lipid-lowering agents and neuroendocrine neoplasms: new horizons. Endocrine 2024; 85:520-531. [PMID: 38509261 PMCID: PMC11291585 DOI: 10.1007/s12020-024-03767-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Accepted: 02/29/2024] [Indexed: 03/22/2024]
Abstract
PURPOSE Neuroendocrine neoplasms (NENs) are a heterogeneous group of malignancies originating from cells with a neuroendocrine phenotype. The complex relationship between lipid metabolism and cancer is gaining interest and a potential anti-cancer effect of lipid lowering agents is being considered. This review aims to discuss the current understanding and treatment of dyslipidaemia in NENs, focusing on the role of lipid lowering agents, including new therapeutic approaches, and future perspectives as possible tool in cancer prevention and tumor-growth control. METHODS We performed an electronic-based search using PubMed updated until December 2023, summarizing the available evidence both in basic and clinical research about lipid lowering agents in NENs. RESULTS Dyslipidemia is an important aspect to be considered in NENs management, although randomized studies specifically addressing this topic are lacking, unlike other cancer types. Available data mainly regard statins, and in vitro studies have demonstrated direct antitumor effects, including antiproliferative effects in some cancers, supporting possible pleiotropic effects also in NENs, but data remain conflicting. Ezetimibe, omega 3-fatty acids, fibrates and inhibitors of proprotein convertase subtilisin/kexin type 9 (PCSK9) may enhance the regulation of lipid homeostasis, as demonstrated in other cancers. CONCLUSIONS Targeting dyslipidemia in NENs should be part of the multidisciplinary management and an integrated approach may be the best option for both metabolic and tumor control. Whether lipid lowering agents may directly contribute to tumor control remains to be confirmed with specific studies, focusing on association with other metabolic risk, disease stage and primary site.
Collapse
Affiliation(s)
- Roberta Modica
- Endocrinology, Diabetology and Andrology Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131, Naples, Italy.
| | - Anna La Salvia
- National Center for Drug Research and Evaluation, National Institute of Health (ISS), 00161, Rome, Italy
| | - Alessia Liccardi
- Endocrinology, Diabetology and Andrology Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131, Naples, Italy
| | - Alessia Cozzolino
- Department of Experimental Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Antonella Di Sarno
- Endocrinology, Diabetology and Andrology Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131, Naples, Italy
| | - Flaminia Russo
- Endocrinology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, ENETS Center of Excellence, Sapienza University of Rome, 00189, Rome, Italy
| | - Annamaria Colao
- Endocrinology, Diabetology and Andrology Unit, Department of Clinical Medicine and Surgery, Federico II University of Naples, 80131, Naples, Italy
- UNESCO Chair, Education for Health and Sustainable Development, Federico II University, 80131, Naples, Italy
| | - Antongiulio Faggiano
- Endocrinology Unit, Department of Clinical and Molecular Medicine, Sant'Andrea Hospital, ENETS Center of Excellence, Sapienza University of Rome, 00189, Rome, Italy
| |
Collapse
|
2
|
Bao X, Liang Y, Chang H, Cai T, Feng B, Gordon K, Zhu Y, Shi H, He Y, Xie L. Targeting proprotein convertase subtilisin/kexin type 9 (PCSK9): from bench to bedside. Signal Transduct Target Ther 2024; 9:13. [PMID: 38185721 PMCID: PMC10772138 DOI: 10.1038/s41392-023-01690-3] [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: 02/23/2023] [Revised: 09/27/2023] [Accepted: 10/27/2023] [Indexed: 01/09/2024] Open
Abstract
Proprotein convertase subtilisin/kexin type 9 (PCSK9) has evolved as a pivotal enzyme in lipid metabolism and a revolutionary therapeutic target for hypercholesterolemia and its related cardiovascular diseases (CVD). This comprehensive review delineates the intricate roles and wide-ranging implications of PCSK9, extending beyond CVD to emphasize its significance in diverse physiological and pathological states, including liver diseases, infectious diseases, autoimmune disorders, and notably, cancer. Our exploration offers insights into the interaction between PCSK9 and low-density lipoprotein receptors (LDLRs), elucidating its substantial impact on cholesterol homeostasis and cardiovascular health. It also details the evolution of PCSK9-targeted therapies, translating foundational bench discoveries into bedside applications for optimized patient care. The advent and clinical approval of innovative PCSK9 inhibitory therapies (PCSK9-iTs), including three monoclonal antibodies (Evolocumab, Alirocumab, and Tafolecimab) and one small interfering RNA (siRNA, Inclisiran), have marked a significant breakthrough in cardiovascular medicine. These therapies have demonstrated unparalleled efficacy in mitigating hypercholesterolemia, reducing cardiovascular risks, and have showcased profound value in clinical applications, offering novel therapeutic avenues and a promising future in personalized medicine for cardiovascular disorders. Furthermore, emerging research, inclusive of our findings, unveils PCSK9's potential role as a pivotal indicator for cancer prognosis and its prospective application as a transformative target for cancer treatment. This review also highlights PCSK9's aberrant expression in various cancer forms, its association with cancer prognosis, and its crucial roles in carcinogenesis and cancer immunity. In conclusion, this synthesized review integrates existing knowledge and novel insights on PCSK9, providing a holistic perspective on its transformative impact in reshaping therapeutic paradigms across various disorders. It emphasizes the clinical value and effect of PCSK9-iT, underscoring its potential in advancing the landscape of biomedical research and its capabilities in heralding new eras in personalized medicine.
Collapse
Affiliation(s)
- Xuhui Bao
- Institute of Therapeutic Cancer Vaccines, Fudan University Pudong Medical Center, Shanghai, China.
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, China.
- Department of Oncology, Fudan University Pudong Medical Center, Shanghai, China.
- Center for Clinical Research, Fudan University Pudong Medical Center, Shanghai, China.
- Clinical Research Center for Cell-based Immunotherapy, Fudan University, Shanghai, China.
- Department of Pathology, Duke University Medical Center, Durham, NC, USA.
| | - Yongjun Liang
- Center for Medical Research and Innovation, Fudan University Pudong Medical Center, Shanghai, China
| | - Hanman Chang
- Institute for Food Safety and Health, Illinois Institute of Technology, Chicago, IL, USA
| | - Tianji Cai
- Department of Sociology, University of Macau, Taipa, Macau, China
| | - Baijie Feng
- Department of Oncology, Fudan University Pudong Medical Center, Shanghai, China
| | - Konstantin Gordon
- Medical Institute, Peoples' Friendship University of Russia, Moscow, Russia
- A. Tsyb Medical Radiological Research Center, Obninsk, Russia
| | - Yuekun Zhu
- Department of Colorectal Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Hailian Shi
- Shanghai Key Laboratory of Compound Chinese Medicines, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Zhangjiang Hi-tech Park, Shanghai, China
| | - Yundong He
- Shanghai Key Laboratory of Regulatory Biology, School of Life Sciences, East China Normal University, Shanghai, China.
| | - Liyi Xie
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
| |
Collapse
|
3
|
Péč MJ, Benko J, Jurica J, Péčová M, Samec M, Hurtová T, Bolek T, Galajda P, Péč M, Samoš M, Mokáň M. The Anti-Thrombotic Effects of PCSK9 Inhibitors. Pharmaceuticals (Basel) 2023; 16:1197. [PMID: 37765005 PMCID: PMC10534645 DOI: 10.3390/ph16091197] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/14/2023] [Accepted: 08/15/2023] [Indexed: 09/29/2023] Open
Abstract
Atherosclerosis is the primary process that underlies cardiovascular disease. The connection between LDL cholesterol and the formation of atherosclerotic plaques is established by solid evidence. PCSK9 inhibitors have proven to be a valuable and practical resource for lowering the LDL cholesterol of many patients in recent years. Their inhibitory effect on atherosclerosis progression seems to be driven not just by lipid metabolism modification but also by LDL-independent mechanisms. We review the effect of PCSK9 inhibitors on various mechanisms involving platelet activation, inflammation, endothelial dysfunction, and the resultant clot formation. The main effectors of PCSK9 activation of platelets are CD36 receptors, lipoprotein(a), oxidised LDL particles, tissue factor, and factor VIII. Many more molecules are under investigation, and this area of research is growing rapidly.
Collapse
Affiliation(s)
- Martin Jozef Péč
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia; (M.J.P.)
| | - Jakub Benko
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia; (M.J.P.)
- Department of Cardiology, Teaching Hospital Nitra, 949 01 Nitra, Slovakia
| | - Jakub Jurica
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia; (M.J.P.)
| | - Monika Péčová
- Oncology Centre, Teaching Hospital Martin, 036 59 Martin, Slovakia
- Department of Hematology and Transfusiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia
| | - Marek Samec
- Department of Pathological Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia
| | - Tatiana Hurtová
- Department of Infectology and Travel Medicine, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia
- Department of Dermatovenerology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia
| | - Tomáš Bolek
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia; (M.J.P.)
| | - Peter Galajda
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia; (M.J.P.)
| | - Martin Péč
- Department of Medical Biology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia
| | - Matej Samoš
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia; (M.J.P.)
- Division of Acute and Interventional Cardiology, Department of Cardiology and Angiology II, Mid-Slovakian Institute of Heart and Vessel Diseases (SÚSCCH, a.s.) in Banská Bystrica, 974 01 Banská Bystrica, Slovakia
| | - Marián Mokáň
- Department of Internal Medicine I, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, 036 59 Martin, Slovakia; (M.J.P.)
| |
Collapse
|
4
|
Oza PP, Kashfi K. The evolving landscape of PCSK9 inhibition in cancer. Eur J Pharmacol 2023; 949:175721. [PMID: 37059376 PMCID: PMC10229316 DOI: 10.1016/j.ejphar.2023.175721] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/23/2023] [Accepted: 04/11/2023] [Indexed: 04/16/2023]
Abstract
Cancer is a disease with a significant global burden in terms of premature mortality, loss of productivity, healthcare expenditures, and impact on mental health. Recent decades have seen numerous advances in cancer research and treatment options. Recently, a new role of cholesterol-lowering PCSK9 inhibitor therapy has come to light in the context of cancer. PCSK9 is an enzyme that induces the degradation of low-density lipoprotein receptors (LDLRs), which are responsible for clearing cholesterol from the serum. Thus, PCSK9 inhibition is currently used to treat hypercholesterolemia, as it can upregulate LDLRs and enable cholesterol reduction through these receptors. The cholesterol-lowering effects of PCSK9 inhibitors have been suggested as a potential mechanism to combat cancer, as cancer cells have been found to increasingly rely on cholesterol for their growth needs. Additionally, PCSK9 inhibition has demonstrated the potential to induce cancer cell apoptosis through several pathways, increase the efficacy of a class of existing anticancer therapies, and boost the host immune response to cancer. A role in managing cancer- or cancer treatment-related development of dyslipidemia and life-threatening sepsis has also been suggested. This review examines the current evidence regarding the effects of PCSK9 inhibition in the context of different cancers and cancer-associated complications.
Collapse
Affiliation(s)
- Palak P Oza
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, NY, 10031, USA
| | - Khosrow Kashfi
- Department of Molecular, Cellular and Biomedical Sciences, Sophie Davis School of Biomedical Education, City University of New York School of Medicine, New York, NY, 10031, USA; Graduate Program in Biology, City University of New York Graduate Center, New York, 10091, USA.
| |
Collapse
|
5
|
Blázquez-Encinas R, Moreno-Montilla MT, García-Vioque V, Gracia-Navarro F, Alors-Pérez E, Pedraza-Arevalo S, Ibáñez-Costa A, Castaño JP. The uprise of RNA biology in neuroendocrine neoplasms: altered splicing and RNA species unveil translational opportunities. Rev Endocr Metab Disord 2023; 24:267-282. [PMID: 36418657 PMCID: PMC9685014 DOI: 10.1007/s11154-022-09771-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/15/2022] [Indexed: 11/25/2022]
Abstract
Neuroendocrine neoplasms (NENs) comprise a highly heterogeneous group of tumors arising from the diffuse neuroendocrine system. NENs mainly originate in gastrointestinal, pancreatic, and pulmonary tissues, and despite being rare, show rising incidence. The molecular mechanisms underlying NEN development are still poorly understood, although recent studies are unveiling their genomic, epigenomic and transcriptomic landscapes. RNA was originally considered as an intermediary between DNA and protein. Today, compelling evidence underscores the regulatory relevance of RNA processing, while new RNA molecules emerge with key functional roles in core cell processes. Indeed, correct functioning of the interrelated complementary processes comprising RNA biology, its processing, transport, and surveillance, is essential to ensure adequate cell homeostasis, and its misfunction is related to cancer at multiple levels. This review is focused on the dysregulation of RNA biology in NENs. In particular, we survey alterations in the splicing process and available information implicating the main RNA species and processes in NENs pathology, including their role as biomarkers, and their functionality and targetability. Understanding how NENs precisely (mis)behave requires a profound knowledge at every layer of their heterogeneity, to help improve NEN management. RNA biology provides a wide spectrum of previously unexplored processes and molecules that open new avenues for NEN detection, classification and treatment. The current molecular biology era is rapidly evolving to facilitate a detailed comprehension of cancer biology and is enabling the arrival of personalized, predictive and precision medicine to rare tumors like NENs.
Collapse
Affiliation(s)
- Ricardo Blázquez-Encinas
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain
| | - María Trinidad Moreno-Montilla
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain
| | - Víctor García-Vioque
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain
| | - Francisco Gracia-Navarro
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain
| | - Emilia Alors-Pérez
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain
| | - Sergio Pedraza-Arevalo
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain
- Hospital Universitario Reina Sofía, Córdoba, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain
| | - Alejandro Ibáñez-Costa
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain.
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain.
- Hospital Universitario Reina Sofía, Córdoba, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain.
| | - Justo P Castaño
- Maimonides Biomedical Research Institute of Córdoba, Córdoba, Spain.
- Department of Cell Biology, Physiology, and Immunology, University of Córdoba, Córdoba, Spain.
- Hospital Universitario Reina Sofía, Córdoba, Spain.
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición, (CIBERobn), Córdoba, Spain.
| |
Collapse
|
6
|
Meng YF, Fan ZY, Yang J, Li YZ, Liu SJ, Gao CH, Gao X, Pang CY, Zhan HX. The characteristics of serum lipid spectrum in PanNENs and its correlation with clinicopathological features and prognosis. Front Endocrinol (Lausanne) 2023; 14:1137911. [PMID: 37033225 PMCID: PMC10081680 DOI: 10.3389/fendo.2023.1137911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/13/2023] [Indexed: 04/11/2023] Open
Abstract
BACKGROUND The role of dyslipidemia in pancreatic neuroendocrine tumors (PanNENs) is unclear. The aim of this study is to analyze the characteristics of serum lipid spectrum in PanNENs, and the effect of the variation in lipid profile on the development of PanNENs clinicopathological features and prognosis. METHODS All PanNENs patients between November 2012 and September 2020 in the authors' research center were identified from patient medical records and databases. A total of 185 with PanNENs patients were ultimately included in this study, including 100 nonfunctional PanNENs and 85 insulinomas. Clinicopathologic features, serum lipid level and overall survival results were retrospectively analyzed using statistical methods. RESULTS In 185 PanNENs, 95 (51.4%) patients appear to have dyslipidemia. Patients with insulinoma had a lower proportion of abnormal HDL than those with nonfunctional PanNENs (10.6% vs 23%, P=0.026). The mean serum HDL levels of insulinomas were 0.131 mmol/L higher than the NF-PanNENs (1.306 ± 0.324 vs 1.175 ± 0.315, P=0.006). In multivariate logistic analysis, high levels of HDL are negatively correlated to tumor size (OR 0.233, 95% CI: 0.069-0.790, P=0.019), but HDL was not associated with pathological grade or metastasis. And a correlation has been found between hypercholesterolemia and the original location of the tumor (OR:0.224, 95%CI: 0.066-0.753, P =0.016). In addition, the outcome of the survival analysis revealed that dyslipidemia did not influence the prognosis of PanNENs patients (P>0.05). CONCLUSIONS HDL was negatively correlated with the tumor size of PanNENs. The serum HDL level of insulinoma patients is higher than nonfunctional PanNENs.
Collapse
|
7
|
Khalifeh M, Santos RD, Oskuee RK, Badiee A, Aghaee-Bakhtiari SH, Sahebkar A. A novel regulatory facet for hypertriglyceridemia: The role of microRNAs in the regulation of triglyceride-rich lipoprotein biosynthesis. Prog Lipid Res 2023; 89:101197. [PMID: 36400247 DOI: 10.1016/j.plipres.2022.101197] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 11/17/2022]
Abstract
Atherosclerotic cardiovascular disease (ASCVD) is one of the major leading global causes of death. Genetic and epidemiological studies strongly support the causal association between triacylglycerol-rich lipoproteins (TAGRL) and atherogenesis, even in statin-treated patients. Recent genetic evidence has clarified that variants in several key genes implicated in TAGRL metabolism are strongly linked to the increased ASCVD risk. There are several triacylglycerol-lowering agents; however, new therapeutic options are in development, among which are miRNA-based therapeutic approaches. MicroRNAs (miRNAs) are small non-coding RNAs (18-25 nucleotides) that negatively modulate gene expression through translational repression or degradation of target mRNAs, thereby reducing the levels of functional genes. MiRNAs play a crucial role in the development of hypertriglyceridemia as several miRNAs are dysregulated in both synthesis and clearance of TAGRL particles. MiRNA-based therapies in ASCVD have not yet been applied in human trials but are attractive. This review provides a concise overview of current interventions for hypertriglyceridemia and the development of novel miRNA and siRNA-based drugs. We summarize the miRNAs involved in the regulation of key genes in the TAGRLs synthesis pathway, which has gained attention as a novel target for therapeutic applications in CVD.
Collapse
Affiliation(s)
- Masoumeh Khalifeh
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Raul D Santos
- Lipid Clinic Heart Institute (Incor), University of São Paulo, Medical School Hospital, São Paulo, Brazil
| | - Reza Kazemi Oskuee
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Badiee
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Biotechnology Research Centre, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; School of Medicine, The University of Western Australia, Perth, Australia; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| |
Collapse
|
8
|
Crabtree JS. Epigenetic Regulation in Gastroenteropancreatic Neuroendocrine Tumors. Front Oncol 2022; 12:901435. [PMID: 35747820 PMCID: PMC9209739 DOI: 10.3389/fonc.2022.901435] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 05/09/2022] [Indexed: 12/11/2022] Open
Abstract
Gastroenteropancreatic neuroendocrine neoplasms are a rare, diverse group of neuroendocrine tumors that form in the pancreatic and gastrointestinal tract, and often present with side effects due to hormone hypersecretion. The pathogenesis of these tumors is known to be linked to several genetic disorders, but sporadic tumors occur due to dysregulation of additional genes that regulate proliferation and metastasis, but also the epigenome. Epigenetic regulation in these tumors includes DNA methylation, chromatin remodeling and regulation by noncoding RNAs. Several large studies demonstrate the identification of epigenetic signatures that may serve as biomarkers, and others identify innovative, epigenetics-based targets that utilize both pharmacological and theranostic approaches towards the development of new treatment approaches.
Collapse
|
9
|
Sun H, Meng W, Zhu J, Wang L. Antitumor activity and molecular mechanism of proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibition. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2022; 395:643-658. [PMID: 35307759 DOI: 10.1007/s00210-022-02200-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 01/01/2022] [Indexed: 12/12/2022]
Abstract
Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a member of the proprotein convertase family of proteins that activate other proteins in cells. Functionally, PCSK9 binds to the receptor of low-density lipoprotein particles (LDL) to regulate cholesterol metabolism and lipoprotein homeostasis in human body. PCSK9 inhibition is a novel pharmacological strategy to control hypercholesterolemia and cardiovascular diseases. Recently accumulating evidence realizes that PCSK9 possesses other roles in cells, such as regulation of tissue inflammatory response, intratumoral immune cell infiltration, and tumor progression. This review discussed the advancement of PCSK9 research on its role and underlying mechanisms in tumor development and progression. For example, PCSK9 inhibition could attenuate progression of breast cancer, glioma, colon tumor, hepatocellular cancer, prostate cancer, and lung adenocarcinoma and promote apoptosis of glioma, prostate cancer, and hepatocellular cancer cells. PCSK9 deficiency could reduce liver metastasis of B16F1 melanoma cells by lowering the circulating cholesterol levels. PCSK9 gene knockdown substantially attenuated mouse tumor growth in vivo by activation of cytotoxic T cells, although PCSK9 knockdown had no effect on morphology and growth rate of different mouse cancer cell lines in vitro. PCSK9 inhibition thus can be used to control human cancers. Future preclinical and clinical studies are warranted to define anti-tumor activity of PCSK9 inhibition.
Collapse
Affiliation(s)
- Huimin Sun
- Department of Pharmacy, Jinan Central Hospital Affiliated to Shandong First Medical University, Shandong, Jinan, China
| | - Wen Meng
- Department of Pharmacy, Jinan Central Hospital Affiliated to Shandong First Medical University, Shandong, Jinan, China
| | - Jie Zhu
- Department of Pharmacy, Jinan Central Hospital Affiliated to Shandong First Medical University, Shandong, Jinan, China
| | - Lu Wang
- Department of Pharmacy, Jinan Central Hospital Affiliated to Shandong First Medical University, Shandong, Jinan, China.
| |
Collapse
|
10
|
Taheri F, Taghizadeh E, Baniamerian F, Rostami D, Rozeian A, Mohammad Gheibi Hayat S, Jamialahmadi T, Reiner Ž, Sahebkar A. Cellular and Molecular Aspects of Managing Familial Hypercholesterolemia: Recent and Emerging Therapeutic Approaches. Endocr Metab Immune Disord Drug Targets 2022; 22:1018-1028. [PMID: 35532248 DOI: 10.2174/1871530322666220509040844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 03/08/2022] [Accepted: 03/18/2022] [Indexed: 11/22/2022]
Abstract
Familial hypercholesterolemia (FH) as a high-frequency genetic disorder is diagnosed based on family and/or patient's history of coronary heart disease (CHD) or some other atherosclerotic disease, LDL-C levels and/or clinical signs such as tendonous xantomata, arcus cornealis before age 45 years as well as functional mutation in the LDLR, apoB or PCSK9 gene. Its clinical features are detectable since early childhood. Early diagnosis and timely treatment increase life expectancy in most patients with FH. Current FH therapies decrease the level of low-density lipoprotein up to ≥50% from baseline with diet, pharmacotherapeutic treatment, lipid apheresis, and liver transplantation. The cornerstone of medical therapy is the use of more potent statins in higher doses, to which often ezetimibe has to be added, but some FH patients do not achieve the target LDL-C with this therapy Therefore, besides these and the most recent but already established therapeutic approaches including PCSK9 inhibitors, inclisiran, and bempedoic acid, new therapies are on the horizon such as gene therapy, CRISPR/Cas9 strategy etc. This paper focuses on cellular and molecular potential strategies for the treatment of FH.
Collapse
Affiliation(s)
- Forough Taheri
- Sharekord Branch, Islamic Azad University, Sharekord, Iran
| | - Eskandar Taghizadeh
- Department of Medical Genetics, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.,Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Fatemeh Baniamerian
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Daryoush Rostami
- Department of Anesthesia, school of Paramedical Sciences, Zabol University of Medical Sciences, Zabol, Iran
| | - Ahmad Rozeian
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Seyed Mohammad Gheibi Hayat
- Department of Medical Genetics, School of Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Tannaz Jamialahmadi
- Surgical Oncology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Željko Reiner
- Department of Internal Medicine, University Hospital Center Zagreb, School of Medicine University of Zagreb, Croatia
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Medicine, The University of Western Australia, Perth, Australia.,Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| |
Collapse
|
11
|
Havasi A, Sur D, Cainap SS, Lungulescu CV, Gavrilas LI, Cainap C, Vlad C, Balacescu O. Current and New Challenges in the Management of Pancreatic Neuroendocrine Tumors: The Role of miRNA-Based Approaches as New Reliable Biomarkers. Int J Mol Sci 2022; 23:1109. [PMID: 35163032 PMCID: PMC8834851 DOI: 10.3390/ijms23031109] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/10/2022] [Accepted: 01/18/2022] [Indexed: 12/17/2022] Open
Abstract
Pancreatic neuroendocrine tumors (PanNETs) are rare tumors; however, their incidence greatly increases with age, and they occur more frequently among the elderly. They represent 5% of all pancreatic tumors, and despite the fact that low-grade tumors often have an indolent evolution, they portend a poor prognosis in an advanced stages and undifferentiated tumors. Additionally, functional pancreatic neuroendocrine tumors greatly impact quality of life due to the various clinical syndromes that result from abnormal hormonal secretion. With limited therapeutic and diagnostic options, patient stratification and selection of optimal therapeutic strategies should be the main focus. Modest improvements in the management of pancreatic neuroendocrine tumors have been achieved in the last years. Therefore, it is imperative to find new biomarkers and therapeutic strategies to improve patient survival and quality of life, limiting the disease burden. MicroRNAs (miRNAs) are small endogenous molecules that modulate the expression of thousands of genes and control numerous critical processes involved in tumor development and progression. New data also suggest the implication of miRNAs in treatment resistance and their potential as prognostic or diagnostic biomarkers and therapeutic targets. In this review, we discusses the current and new challenges in the management of PanNETs, including genetic and epigenetic approaches. Furthermore, we summarize the available data on miRNAs as potential prognostic, predictive, or diagnostic biomarkers and discuss their function as future therapeutic targets.
Collapse
Affiliation(s)
- Andrei Havasi
- Department of Medical Oncology, The Oncology Institute “Prof. Dr. Ion Chiricuta”, 400015 Cluj-Napoca, Romania; (A.H.); (C.C.)
- 11th Department of Medical Oncology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400015 Cluj-Napoca, Romania;
- MedEuropa Radiotherapy Center, 410191 Oradea, Romania
| | - Daniel Sur
- Department of Medical Oncology, The Oncology Institute “Prof. Dr. Ion Chiricuta”, 400015 Cluj-Napoca, Romania; (A.H.); (C.C.)
- 11th Department of Medical Oncology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400015 Cluj-Napoca, Romania;
| | - Simona Sorana Cainap
- Department of Mother and Child, Pediatric Cardiology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400015 Cluj-Napoca, Romania;
| | | | - Laura-Ioana Gavrilas
- Department of Bromatology, Hygiene, Nutrition, University of Medicine and Pharmacy “Iuliu Hatieganu”, 23 Marinescu Street, 400337 Cluj-Napoca, Romania;
| | - Calin Cainap
- Department of Medical Oncology, The Oncology Institute “Prof. Dr. Ion Chiricuta”, 400015 Cluj-Napoca, Romania; (A.H.); (C.C.)
- 11th Department of Medical Oncology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400015 Cluj-Napoca, Romania;
| | - Catalin Vlad
- Department of Surgery, The Oncology Institute “Prof. Dr. Ion Chiricuta”, 34–36, Republicii Street, 400015 Cluj-Napoca, Romania;
- Department of Oncology, “Iuliu Hatieganu” University of Medicine and Pharmacy, 8, Victor Babes Street, 400012 Cluj-Napoca, Romania
| | - Ovidiu Balacescu
- 11th Department of Medical Oncology, University of Medicine and Pharmacy “Iuliu Hatieganu”, 400015 Cluj-Napoca, Romania;
- Department of Genetics, Genomics and Experimental Pathology, The Oncology Institute “Prof. Dr. Ion Chiricuta’’, 400015 Cluj-Napoca, Romania
| |
Collapse
|
12
|
Krittanawong C, Khawaja M, Rosenson RS, Amos CI, Nambi V, Lavie CJ, Virani SS. Association of PCSK9 Variants With the Risk of Atherosclerotic Cardiovascular Disease and Variable Responses to PCSK9 Inhibitor Therapy. Curr Probl Cardiol 2021; 47:101043. [PMID: 34780866 DOI: 10.1016/j.cpcardiol.2021.101043] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/05/2021] [Indexed: 12/29/2022]
Abstract
Genetic polymorphisms or variations, randomly distributed in a population, may cause drug-gene response variations. Investigation into these polymorphisms may identify novel mechanisms contributing to a specific disease process. Such investigation necessitates the use of Mendelian randomization, an analytical method that uses genetic variants as instrumental variables for modifiable risk factors that affect population health.1 In the past decade, advances in our understanding of genetic polymorphisms have enabled the identification of genetic variants in candidate genes that impact low-density lipoprotein cholesterol (LDL-C) regulating pathways and cardiovascular disease (CVD) outcomes. A specific candidate gene of interest is that of the LDL receptor degrading protein, PCSK9. In fact, loss-of-function genetic variants for the PCSK9 gene are what first highlighted this pathway as a candidate for pharmacologic inhibition. PCSK9 inhibitors (PCSK9i) are a class of cholesterol-lowering medications that provide significant reductions in LDL by inhibiting the degradation of LDL receptors (LDLR). These inhibitors have also been found to reduce production and enhance clearance of lipoprotein A (Lp[a]), an LDL-like particle currently under study as a separate risk factor for atherosclerotic CVD. Here, we discuss the promise of personalized medicine in developing a more efficacious and individualized pharmacogenomics-based approach for the use of PCSK9i that considers genetic variation and targets different patient populations. This review explores the pharmacogenomics of PCSK9i in the context of PCSK9 allele variants related to drug-metabolizing enzymes and responses since more studies are demonstrating that some patients are hyporesponsive or non-responsive to PCSK9i.2 In summary, the pharmacogenomics of PCSK9 are a promising therapeutic target and genetic information from prospective randomized clinical trials is warranted to gain a full understanding of the efficacy and cost-effectiveness of such allele and/or gene-guided PCSK9i therapy.
Collapse
Affiliation(s)
- Chayakrit Krittanawong
- The Michael E. DeBakey VA Medical Center, Houston, TX; Section of Cardiology, Baylor College of Medicine, Houston, TX.
| | - Muzamil Khawaja
- The Michael E. DeBakey VA Medical Center, Houston, TX; Section of Cardiology, Baylor College of Medicine, Houston, TX
| | - Robert S Rosenson
- Director, Cardiometabolics Unit, Mount Sinai Hospital, Mount Sinai Heart, NY, NY
| | - Christopher I Amos
- Dan L Duncan Comprehensive Cancer Center, Baylor College of Medicine, TX
| | - Vijay Nambi
- The Michael E. DeBakey VA Medical Center, Houston, TX; Section of Cardiology, Baylor College of Medicine, Houston, TX
| | - Carl J Lavie
- John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA
| | - Salim S Virani
- The Michael E. DeBakey VA Medical Center, Houston, TX; Section of Cardiology, Baylor College of Medicine, Houston, TX
| |
Collapse
|
13
|
van Solingen C, Oldebeken SR, Salerno AG, Wanschel ACBA, Moore KJ. High-Throughput Screening Identifies MicroRNAs Regulating Human PCSK9 and Hepatic Low-Density Lipoprotein Receptor Expression. Front Cardiovasc Med 2021; 8:667298. [PMID: 34322524 PMCID: PMC8310920 DOI: 10.3389/fcvm.2021.667298] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 06/11/2021] [Indexed: 12/17/2022] Open
Abstract
Investigations into the regulatory mechanisms controlling cholesterol homeostasis have proven fruitful in identifying low-density lipoprotein (LDL)-lowering therapies to reduce the risk of atherosclerotic cardiovascular disease. A major advance was the discovery of proprotein convertase subtilisin/kexin type 9 (PCSK9), a secreted protein that binds the LDL receptor (LDLR) on the cell surface and internalizes it for degradation, thereby blunting its ability to take up circulating LDL. The discovery that loss-of-function mutations in PCSK9 lead to lower plasma levels of LDL cholesterol and protection from cardiovascular disease led to the therapeutic development of PCSK9 inhibitors at an unprecedented pace. However, there remain many gaps in our understanding of PCSK9 regulation and biology, including its posttranscriptional control by microRNAs. Using a high-throughput region(3′-UTR) of human microRNA library screen, we identified microRNAs targeting the 3′ untranslated region of human PCSK9. The top 35 hits were confirmed by large-format PCSK9 3′-UTR luciferase assays, and 10 microRNAs were then selected for further validation in hepatic cells, including effects on PCSK9 secretion and LDLR cell surface expression. These studies identified seven novel microRNAs that reduce PCSK9 expression, including miR-221-5p, miR-342-5p, miR-363-5p, miR-609, miR-765, and miR-3165. Interestingly, several of these microRNAs were also found to target other genes involved in LDLR regulation and potently upregulate LDLR cell surface expression in hepatic cells. Together, these data enhance our understanding of post-transcriptional regulators of PCSK9 and their potential for therapeutic manipulation of hepatic LDLR expression.
Collapse
Affiliation(s)
- Coen van Solingen
- Leon H. Charney Division of Cardiology, Department of Medicine, New York University Cardiovascular Research Center, New York University School of Medicine, New York, NY, United States
| | - Scott R Oldebeken
- Leon H. Charney Division of Cardiology, Department of Medicine, New York University Cardiovascular Research Center, New York University School of Medicine, New York, NY, United States
| | - Alessandro G Salerno
- Leon H. Charney Division of Cardiology, Department of Medicine, New York University Cardiovascular Research Center, New York University School of Medicine, New York, NY, United States
| | - Amarylis C B A Wanschel
- Leon H. Charney Division of Cardiology, Department of Medicine, New York University Cardiovascular Research Center, New York University School of Medicine, New York, NY, United States
| | - Kathryn J Moore
- Leon H. Charney Division of Cardiology, Department of Medicine, New York University Cardiovascular Research Center, New York University School of Medicine, New York, NY, United States.,Department of Cell Biology, New York University School of Medicine, New York, NY, United States
| |
Collapse
|
14
|
MiRNA Expression in Neuroendocrine Neoplasms of Frequent Localizations. Noncoding RNA 2021; 7:ncrna7030038. [PMID: 34202122 PMCID: PMC8293323 DOI: 10.3390/ncrna7030038] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/20/2021] [Accepted: 06/21/2021] [Indexed: 12/15/2022] Open
Abstract
Neuroendocrine neoplasms (NEN) are infrequent malignant tumors of a neuroendocrine nature that arise in various organs. They occur most frequently in the lungs, intestines, stomach and pancreas. Molecular diagnostics and prognosis of NEN development are highly relevant. The role of clinical biomarkers can be played by microRNAs (miRNAs). This work is devoted to the analysis of data on miRNA expression in NENs. For the first time, a search for specificity or a community of their functional characteristics in different types of NEN was carried out. Their properties as biomarkers were also analyzed. To date, more than 100 miRNAs have been characterized as differentially expressed and significant for the development of NEN tumors. Only about 10% of the studied miRNAs are expressed in several types of NEN; differential expression of the remaining 90% was found only in tumors of specific localizations. A significant number of miRNAs have been identified as potential biomarkers. However, only a few miRNAs have values that characterized their quality as markers. The analysis demonstrates the predominant specific expression of miRNA in each studied type of NEN. This indicates that miRNA’s functional features are predominantly influenced by the tissue in which they are formed.
Collapse
|
15
|
Bhattacharya A, Chowdhury A, Chaudhury K, Shukla PC. Proprotein convertase subtilisin/kexin type 9 (PCSK9): A potential multifaceted player in cancer. Biochim Biophys Acta Rev Cancer 2021; 1876:188581. [PMID: 34144130 DOI: 10.1016/j.bbcan.2021.188581] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/11/2021] [Accepted: 06/13/2021] [Indexed: 02/06/2023]
Abstract
Proprotein convertase subtilisin/kexin type 9 (PCSK9) has emerged as a novel pharmacological target for hypercholesterolemia and associated cardiovascular diseases owing to its function to mediate the degradation of low-density lipoprotein receptor (LDLR). Findings over the past two decades have identified novel binding partners and cellular functions of PCSK9. Notably, PCSK9 is aberrantly expressed in a broad spectrum of cancers and apparently contributes to disease prognosis, indicating that PCSK9 could be a valuable cancer biomarker. Experimental studies demonstrate the contribution of PCSK9 in various aspects of cancer, including cell proliferation, apoptosis, invasion, metastasis, anti-tumor immunity and radioresistance, strengthening the idea that PCSK9 could be a promising therapeutic target. Here, we comprehensively review the involvement of PCSK9 in cancer, summarizing its aberrant expression, association with disease prognosis, biological functions and underlying mechanisms in various malignancies. Besides, we highlight the potential of PCSK9 as a future therapeutic target in personalized cancer medicine.
Collapse
Affiliation(s)
- Anindita Bhattacharya
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Abhirup Chowdhury
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Koel Chaudhury
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Praphulla Chandra Shukla
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| |
Collapse
|
16
|
Mahboobnia K, Pirro M, Marini E, Grignani F, Bezsonov EE, Jamialahmadi T, Sahebkar A. PCSK9 and cancer: Rethinking the link. Biomed Pharmacother 2021; 140:111758. [PMID: 34058443 DOI: 10.1016/j.biopha.2021.111758] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/17/2021] [Accepted: 05/20/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Cancer is emerging as a major problem globally, as it accounts for the second cause of death despite medical advances. According to epidemiological and basic studies, cholesterol is involved in cancer progression and there are abnormalities in cholesterol metabolism of cancer cells including prostate, breast, and colorectal carcinomas. However, the importance of cholesterol in carcinogenesis and thereby the role of cholesterol homeostasis as a therapeutic target is still a debated area in cancer therapy. Proprotein convertase subtilisin/kexin type-9 (PCSK9), a serine protease, modulates cholesterol metabolism by attachment to the LDL receptor (LDLR) and reducing its recycling by targeting the receptor for lysosomal destruction. Published research has shown that PCSK9 is also involved in degradation of other LDLR family members namely very-low-density-lipoprotein receptor (VLDLR), lipoprotein receptor-related protein 1 (LRP-1), and apolipoprotein E receptor 2 (ApoER2). As a result, this protein represents an interesting therapeutic target for the treatment of hypercholesterolemia. Interestingly, clinical trials on PCSK9-specific monoclonal antibodies have reported promising results with high efficacy in lowering LDL-C and in turn reducing cardiovascular complications. It is important to note that PCSK9 mediates several other pathways apart from its role in lipid homeostasis, including antiviral activity, hepatic regeneration, neuronal apoptosis, and modulation of various signaling pathways. Furthermore, recent literature has illustrated that PCSK9 is closely associated with incidence and progression of several cancers. In a number of studies, PCSK9 siRNA was shown to effectively suppress the proliferation and invasion of the several studied tumor cells. Hence, a novel application of PCSK9 inhibitors/silencers in cancer/metastasis could be considered. However, due to poor data on effectiveness and safety of PCSK9 inhibitors in cancer, the impact of PCSK9 inhibition in these pathological conditions is still unknown. SEARCH METHODS A vast literature search was conducted to find intended studies from 1956 up to 2020, and inclusion criteria were original peer-reviewed publications. PURPOSE OF REVIEW To date, PCSK9 has been scantly investigated in cancer. The question that needs to be discussed is "How does PCSK9 act in cancer pathophysiology and what are the risks or benefits associated to its inhibition?". We reviewed the available publications highlighting the contribution of this proprotein convertase in pathways related to cancer, with focus on the potential implications of its long-term pharmacological inhibition in cancer therapy.
Collapse
Affiliation(s)
- Khadijeh Mahboobnia
- Department of Biochemistry, Faculty of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Matteo Pirro
- Unit of Internal Medicine, Angiology and Arteriosclerosis Diseases, Department of Medicine, University of Perugia, Perugia, Italy
| | - Ettore Marini
- Unit of Internal Medicine, Angiology and Arteriosclerosis Diseases, Department of Medicine, University of Perugia, Perugia, Italy
| | - Francesco Grignani
- Unit of Internal Medicine, Angiology and Arteriosclerosis Diseases, Department of Medicine, University of Perugia, Perugia, Italy
| | - Evgeny E Bezsonov
- Laboratory of Cellular and Molecular Pathology of Cardiovascular System, Institute of Human Morphology, 3 Tsyurupa Street, Moscow 117418, Russia; Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia
| | - Tannaz Jamialahmadi
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran; Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| |
Collapse
|
17
|
Wang P, Zheng D, Qi H, Gao Q. Thioredoxin-interacting protein is a favored target of miR-125b, promoting metastasis and progression of pancreatic cancer via the HIF1α pathway. J Biochem Mol Toxicol 2021; 35:e22782. [PMID: 33896068 DOI: 10.1002/jbt.22782] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/02/2021] [Accepted: 03/24/2021] [Indexed: 12/21/2022]
Abstract
MicroRNAs (miRs) are vital in the development of pancreatic cancer (PC) targeting several cellular processes. This study was aimed at evaluating the function of miR-125b and the mechanism involved in PC. Cell migration, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), and Bromodeoxyuridine/5-bromo-2'-deoxyuridine (BrdU) study was done to establish the migration capability, cell viability, and cell proliferation, respectively. Binding sites for miR-125b were recognized by luciferase assay, and the expression of protein by Western blot and immunofluorescence assay. In vivo study was done by BALB/c nude xenograft mice for evaluating the function of miR-125b. The study showed that expression of miR-125b was elevated in PC cells and tissues and was correlated to proliferation and migration of cells. Also, overexpression of miR-125b encouraged migration, metastasis, and proliferation of BxPC-3 cells, and suppression reversed it. We also noticed that thioredoxin-interacting protein (TXNIP) was the potential target of miR-125b. The outcomes also suggested that miR-125b governed the expression of TXNIP inversely via directly attaching to the three prime untranslated region (3'-UTR) activating hypoxia-inducible factor 1α (HIF1α). Looking into the relation between HIF1α and TXNIP, we discovered that TXNIP caused the degradation and export of HIF1α by making a complex with it. The miR-125b-TXNIP-HIF1α pathway may serve as a useful strategy for diagnosing and treating PC.
Collapse
Affiliation(s)
- Pengli Wang
- Department of Gastroenterology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Dan Zheng
- Department of Endocrinology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Hongyang Qi
- Department of Gastroenterology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Qi Gao
- Department of Gastroenterology, Xinxiang Central Hospital, Xinxiang, Henan, China
| |
Collapse
|
18
|
PCSK9 promotes tumor growth by inhibiting tumor cell apoptosis in hepatocellular carcinoma. Exp Hematol Oncol 2021; 10:25. [PMID: 33789749 PMCID: PMC8011384 DOI: 10.1186/s40164-021-00218-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 03/20/2021] [Indexed: 02/07/2023] Open
Abstract
Background Proprotein convertase subtilisin/kexin type 9 (PCSK9), one of the key enzymes in the process of lipid transport, is involved in the disease progression of various types of tumors. This article is to study the role of PCSK9 in the progression of hepatocellular carcinoma (HCC). Methods Immunohistochemistry was used to assess the expression of PCSK9 in tumor specimens from 105 HCC patients who underwent curative resection. Western blotting and quantitative real-time PCR were used to test the protein and mRNA expression levels in HCC cell lines. Cell Counting Kit-8 (CCK-8) and clone formation assays were performed to evaluate the proliferation ability of different kinds of cells in vitro. Flow cytometry was used to analyze cell cycle distribution and apoptosis rate. A xenograft model was established to study the effect of PCSK9 on HCC growth in vivo. TUNEL and immunofluorescence assays were used to detect cell apoptosis. Results High expression of PCSK9 in tumor tissues was related to microvascular invasion (p = 0.036) and large tumor size (p = 0.001) in HCC patients. Overall survival and disease-free survival after surgery were poor in patients with high expression of PCSK9 (p = 0.035 and p = 0.007, respectively). In vivo and in vitro experiments showed that PCSK9 promoted the growth of HCC by inhibiting cell apoptosis. A mechanistic study revealed that PCSK9 increases FASN expression, thereby inhibiting apoptosis of HCC cells via the Bax/Bcl-2/Caspase9/Caspase3 pathway. Conclusions PCSK9 expression level in HCC is an indicator of poor prognosis for patients with HCC. FASN-mediated anti-apoptosis plays an important role in PCSK9-induced HCC progression.
Collapse
|
19
|
Wang P, Zheng D, Qi H, Gao Q. miR-125b enhances metastasis and progression of cancer via the TXNIP and HIF1α pathway in pancreatic cancer. Cancer Biomark 2021; 31:27-38. [PMID: 33749639 DOI: 10.3233/cbm-203112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND MicroRNAs (miRNAs) play potential role in the development of various types of cancer conditions including pancreatic cancer (PC) targeting several cellular processes. Present study was aimed to evaluate function of miR-125b and the mechanism involved in PC. METHODS Cell migration, MTT and BrdU study was done to establish the migration capability, cell viability and cell proliferation respectively. Binding sites for miR-125b were recognized by luciferase assay, expression of protein by western blot and immunofluorescence assay. In vivo study was done by BALB/c nude xenograft mice for evaluating the function of miR-125b. RESULTS The study showed that expression of miR-125b was elevated in PC cells and tissues, and was correlated to proliferation and migration of cells. Also, over-expression of miR-125b encouraged migration, metastasis and proliferation of BxPC-3 cells, the suppression reversed it. We also noticed that thioredoxin-interacting protein (TXNIP) was the potential target of miR-125b. The outcomes also suggested that miR-125b governed the expression of TXNIP inversely via directly attaching to the 3'-UTR activating hypoxia-inducible factor 1α (HIF1α). Looking into the relation between HIF1α and TXNIP, we discovered that TXNIP caused the degradation and export of HIF1α by making a complex with it. CONCLUSION The miR-125b-TXNIP-HIF1α pathway may serve useful strategy for diagnosing and treating PC.
Collapse
Affiliation(s)
- Pengli Wang
- Department of Gastroenterology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Dan Zheng
- Department of Endocrinology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Hongyang Qi
- Department of Gastroenterology, Xinxiang Central Hospital, Xinxiang, Henan, China
| | - Qi Gao
- Department of Gastroenterology, Xinxiang Central Hospital, Xinxiang, Henan, China
| |
Collapse
|
20
|
Zou Y, Wu L, Yang Y, Ding Z, Huang J, Li P, Zhu C, Yuan Y. Serum lipid levels correlate to the progression of gastric cancer with neuroendocrine immunophenotypes: A multicenter retrospective study. Transl Oncol 2021; 14:100925. [PMID: 33137542 PMCID: PMC7644677 DOI: 10.1016/j.tranon.2020.100925] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/03/2020] [Accepted: 10/16/2020] [Indexed: 12/03/2022] Open
Abstract
PURPOSE Dyslipidemia was associated with gastric adenocarcinoma or neuroendocrine tumors, but its role in a more malignant entity, gastric cancer with neuroendocrine immunophenotypes (GCNEI), was unclarified. This study sought to explore the relationship between serum lipid levels and the biological behaviors of gastric cancer with neuroendocrine immunophenotypes (GCNEI). METHODS Patients with neuroendocrine carcinoma (NEC), GC with NEC components (GC-NEC), or GC expressing NE marker(s) but no NE morphology (GC-NENM) were enrolled from three centers. Their preoperative serum lipid levels, demographic, and clinicopathological information were analyzed and compared with those of patients with pure adenocarcinoma (PAC) or a background population selected from 10,061 health-check people by propensity-score matching. RESULTS A total of 342 GCNEI patients were enrolled. Compared with the background population, total cholesterol (TCHO) and high-density lipoprotein cholesterol (HDL-C) levels were lower in GCNEI. Compared with PAC, GC-NENM and GC-NEC showed lower triglyceride (TG) levels, while, carcinoma with NE morphology showed higher low-density lipoprotein cholesterol (LDL-C) levels. Among GCNEI subtypes, GC-NEC differed from the others by higher LDL-C and non-HDL-C levels. A higher LDL-C level and(or) lower TG, HDL-C levels correlated to higher stages or large tumor sizes in GC-NENM, and a lower HDL-C level correlated to large tumor sizes in GC-NEC. A higher LDL-C level, lower TG, HDL-C, and non-HDL levels increased the risk of GC-NEC, and lower TG, and HDL-C levels increased the risk of GC-NENM and NEC. CONCLUSION GCNEI had distinct and heterogeneous serum lipid patterns, which correlated to tumor development and progression.
Collapse
Affiliation(s)
- Yi Zou
- Department of Pathology, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang 310000, China
| | - Long Wu
- Department of Pathology, Union Hospital of Fujian Medical University, Fuzhou, Fujian 350000, China
| | - Yubin Yang
- Department of Pathology, Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, China
| | - Zonghui Ding
- Department of Cancer Biology, Mayo Clinic Arizona, Scottsdale, Arizona 85259, United States
| | - Jiaming Huang
- Department of Laboratory Science, Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, China
| | - Peng Li
- Department of Pathology, First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Chunpeng Zhu
- Department of Gastroenterology, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, Zhejiang 310000, China.
| | - Ying Yuan
- Department of Medical Oncology, Second Affiliated Hospital of Zhejiang University, School of Medicine, No. 88 Jiefang Road, Shangcheng District, Hangzhou, Zhejiang 310000, China.
| |
Collapse
|
21
|
Schlüter KD, Wolf A, Schreckenberg R. Coming Back to Physiology: Extra Hepatic Functions of Proprotein Convertase Subtilisin/Kexin Type 9. Front Physiol 2020; 11:598649. [PMID: 33364976 PMCID: PMC7750466 DOI: 10.3389/fphys.2020.598649] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 11/09/2020] [Indexed: 12/18/2022] Open
Abstract
Neuronal apoptosis regulated convertase-1 (NARC-1), now mostly known as proprotein convertase subtilisin/kexin type 9 (PCSK9), has received a lot of attention due to the fact that it is a key regulator of the low-density lipoprotein (LDL) receptor (LDL-R) and is therefore involved in hepatic LDL clearance. Within a few years, therapies targeting PCSK9 have reached clinical practice and they offer an additional tool to reduce blood cholesterol concentrations. However, PCSK9 is almost ubiquitously expressed in the body but has less well-understood functions and target proteins in extra hepatic tissues. As such, PCSK9 is involved in the regulation of neuronal survival and protein degradation, it affects the expression of the epithelial sodium channel (ENaC) in the kidney, it interacts with white blood cells and with cells of the vascular wall, and it modifies contractile activity of cardiomyocytes, and contributes to the regulation of cholesterol uptake in the intestine. Moreover, under stress conditions, signals from the kidney and heart can affect hepatic expression and thereby the plasma concentration of PCSK9 which then in turn can affect other target organs. Therefore, there is an intense relationship between the local (autocrine) and systemic (endocrine) effects of PCSK9. Although, PCSK9 has been recognized as a ubiquitously expressed modifier of cellular function and signaling molecules, its physiological role in different organs is not well-understood. The current review summarizes these findings.
Collapse
Affiliation(s)
| | - Annemarie Wolf
- Institute of Physiology, Justus-Liebig-University, Gießen, Germany
| | | |
Collapse
|
22
|
Decourt C, Janin A, Moindrot M, Chatron N, Nony S, Muntaner M, Dumont S, Divry E, Dauchet L, Meirhaeghe A, Marmontel O, Bardel C, Charrière S, Cariou B, Moulin P, Di Filippo M. PCSK9 post-transcriptional regulation: Role of a 3′UTR microRNA-binding site variant in linkage disequilibrium with c.1420G. Atherosclerosis 2020; 314:63-70. [DOI: 10.1016/j.atherosclerosis.2020.10.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 09/21/2020] [Accepted: 10/07/2020] [Indexed: 02/05/2023]
|
23
|
Salerno AG, van Solingen C, Scotti E, Wanschel ACBA, Afonso MS, Oldebeken SR, Spiro W, Tontonoz P, Rayner KJ, Moore KJ. LDL Receptor Pathway Regulation by miR-224 and miR-520d. Front Cardiovasc Med 2020; 7:81. [PMID: 32528976 PMCID: PMC7256473 DOI: 10.3389/fcvm.2020.00081] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 04/15/2020] [Indexed: 12/27/2022] Open
Abstract
MicroRNAs (miRNA) have emerged as important post-transcriptional regulators of metabolic pathways that contribute to cellular and systemic lipoprotein homeostasis. Here, we identify two conserved miRNAs, miR-224, and miR-520d, which target gene networks regulating hepatic expression of the low-density lipoprotein (LDL) receptor (LDLR) and LDL clearance. In silico prediction of miR-224 and miR-520d target gene networks showed that they each repress multiple genes impacting the expression of the LDLR, including the chaperone molecules PCSK9 and IDOL that limit LDLR expression at the cell surface and the rate-limiting enzyme for cholesterol synthesis HMGCR, which is the target of LDL-lowering statin drugs. Using gain- and loss-of-function studies, we tested the role of miR-224 and miR-520d in the regulation of those predicted targets and their impact on LDLR expression. We show that overexpression of miR-224 or miR-520d dose-dependently reduced the activity of PCSK9, IDOL, and HMGCR 3'-untranslated region (3'-UTR)-luciferase reporter constructs and that this repression was abrogated by mutation of the putative miR-224 or miR-520d response elements in the PCSK9, IDOL, and HMGCR 3'-UTRs. Compared to a control miRNA, overexpression of miR-224 or miR-520d in hepatocytes inhibited PCSK9, IDOL, and HMGCR mRNA and protein levels and decreased PCSK9 secretion. Furthermore, miR-224 and miR-520d repression of PCSK9, IDOL, and HMGCR was associated with an increase in LDLR protein levels and cell surface expression, as well as enhanced LDL binding. Notably, the effects of miR-224 and miR-520d were additive to the effects of statins in upregulating LDLR expression. Finally, we show that overexpression of miR-224 in the livers of Ldlr +/- mice using lipid nanoparticle-mediated delivery resulted in a 15% decrease in plasma levels of LDL cholesterol, compared to a control miRNA. Together, these findings identify roles for miR-224 and miR-520d in the posttranscriptional control of LDLR expression and function.
Collapse
Affiliation(s)
- Alessandro G Salerno
- Leon H. Charney Division of Cardiology, NYU Cardiovascular Research Center, Department of Medicine, New York University School of Medicine, New York, NY, United States
| | - Coen van Solingen
- Leon H. Charney Division of Cardiology, NYU Cardiovascular Research Center, Department of Medicine, New York University School of Medicine, New York, NY, United States
| | - Elena Scotti
- Howard Hughes Medical Institute and Department of Pathology and Laboratory Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Amarylis C B A Wanschel
- Leon H. Charney Division of Cardiology, NYU Cardiovascular Research Center, Department of Medicine, New York University School of Medicine, New York, NY, United States
| | - Milessa S Afonso
- Leon H. Charney Division of Cardiology, NYU Cardiovascular Research Center, Department of Medicine, New York University School of Medicine, New York, NY, United States
| | - Scott R Oldebeken
- Leon H. Charney Division of Cardiology, NYU Cardiovascular Research Center, Department of Medicine, New York University School of Medicine, New York, NY, United States
| | - Westley Spiro
- Leon H. Charney Division of Cardiology, NYU Cardiovascular Research Center, Department of Medicine, New York University School of Medicine, New York, NY, United States
| | - Peter Tontonoz
- Howard Hughes Medical Institute and Department of Pathology and Laboratory Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Katey J Rayner
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa Heart Institute, Ottawa, ON, Canada
| | - Kathryn J Moore
- Leon H. Charney Division of Cardiology, NYU Cardiovascular Research Center, Department of Medicine, New York University School of Medicine, New York, NY, United States.,Department of Cell Biology, New York University School of Medicine, New York, NY, United States
| |
Collapse
|
24
|
Qiao W, Li D, Shi Q, Wang H, Wang H, Guo J. miR-224-5p protects dental pulp stem cells from apoptosis by targeting Rac1. Exp Ther Med 2019; 19:9-18. [PMID: 31897093 PMCID: PMC6923752 DOI: 10.3892/etm.2019.8213] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 07/12/2019] [Indexed: 12/27/2022] Open
Abstract
Dental pulp stem cells (DPSCs) are reported to be enriched in stem/progenitor cells, however to the best of our knowledge they have yet to be well documented and characterized. In the present study, in order to characterize DPSCs and the effect of microRNAs (miRs/miRNAs) on DPSC properties, a miRNA array was performed between dental periodontal ligament cells (DPLCs) and DPSCs. The results revealed that miR-224-5p (miR-224) was highly expressed in the DPSCs compared with that in the DPLCs. The transfection of DPSCs with an miR-224 inhibitor impaired cell viability. In addition, miR-224 inhibition significantly promoted cell apoptosis in DPSCscompared with the NC group. In silico analysis and a dual-luciferase reporter assay demonstrated that miR-224 targets the 3′-untranslated region of the Rac family small GTPase 1 (Rac1) gene. miR-224 downregulation resulted in the increased expression of Rac1 in DPSCs compared with DPLCs. Furthermore, miR-224 inhibition caused augmented mitogen-activated protein kinase 8, caspase-3, caspase-9 and Fas ligand expression in DPSC, which may be recovered by Rac1 silencing with transfection with short hairpin RNA-Rac1. Furthermore, Annexin V-fluorescein isothiocyanate/propidium iodide flow cytometry indicated that the silencing of Rac1 restored the pro-apoptotic DPSC cell number with miR-224 transfection. Therefore, the results of the present study suggested miR-224 in DPSC serves an important function in protecting cells against apoptosis by downregulating Rac1 expression, and also identified miR-224 as a novel miRNA in regulating the features of DPSC.
Collapse
Affiliation(s)
- Wenlan Qiao
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Department of Orthodontics, School of Stomatology, Shandong University, Jinan, Shandong 250012, P.R. China.,Department of Stomatology, Qilu Hospital, and Institute of Stomatology, Shandong University, Jinan, Shandong 250012, P.R. China
| | - Dong Li
- Department of Cryomedicine Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
| | - Qing Shi
- Department of Cryomedicine Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
| | - Huanhuan Wang
- Department of Cryomedicine Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
| | - Hao Wang
- Department of Cryomedicine Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong 250012, P.R. China
| | - Jing Guo
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Department of Orthodontics, School of Stomatology, Shandong University, Jinan, Shandong 250012, P.R. China
| |
Collapse
|
25
|
Giannetta E, Guarnotta V, Rota F, de Cicco F, Grillo F, Colao A, Faggiano A. A rare rarity: Neuroendocrine tumor of the esophagus. Crit Rev Oncol Hematol 2019; 137:92-107. [PMID: 31014519 DOI: 10.1016/j.critrevonc.2019.02.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 08/08/2018] [Accepted: 02/26/2019] [Indexed: 01/09/2023] Open
Abstract
Esophageal Neuroendocrine tumors (NETs) are rare, aggressive and lacking specific symptoms. This causes a diagnostic delay, worsening the prognosis. Numerous cases are reported in literature, without a consensus on the management. Our aim was to clarify epidemiology, clinical presentation, diagnostic, therapeutic management of esophageal NETs. Extensive literature search identified a total of 226 articles. One hundred twenty-five articles (n = 1676) met the inclusion criteria, showing that: the incidence of esophageal NET varies geographically; men (60-70 years) are more affected; smoking and alcohol abuse are the major risk factors; dysphagia, weight loss, appetite loss are the most common clinical features. The histotypes include high-grade small and large cell esophageal carcinomas and low-grade carcinoid tumors. Mixed neuroendocrine/non-neuroendocrine neoplasms are the most common. Often the diagnosis occurs randomly on endoscopic examination. Circulating markers, functional combined with conventional imaging contributes to the diagnosis and management. Treatment depends on type, grade and stage of the tumor.
Collapse
Affiliation(s)
- Elisa Giannetta
- Dept. of Experimental Medicine, "Sapienza" University of Rome, Italy.
| | - Valentina Guarnotta
- Biomedical Department of Internal and Specialist Medicine (DIBIMIS), Section of Endocrine-Metabolic Diseases, University of Palermo, Italy
| | - Francesca Rota
- Unit of Endocrinology, San Camillo-Forlanini Hospital, Rome, Italy
| | - Federica de Cicco
- Department of Clinical Medicine and Surgery, University "Federico II", Naples, Italy
| | - Federica Grillo
- Pathology Unit, Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genova and Ospedale Policlinico San Martino, Genova, Italy
| | - Annamaria Colao
- Department of Clinical Medicine and Surgery, University "Federico II", Naples, Italy
| | - Antongiulio Faggiano
- Thyroid and Parathyroid Surgery Unit, Istituto Nazionale per lo Studio e la Cura dei Tumori "Fondazione G. Pascale", IRCCS, Naples, Italy
| | | |
Collapse
|
26
|
Momtazi AA, Banach M, Pirro M, Stein EA, Sahebkar A. MicroRNAs: New Therapeutic Targets for Familial Hypercholesterolemia? Clin Rev Allergy Immunol 2018; 54:224-233. [PMID: 28534160 PMCID: PMC5874276 DOI: 10.1007/s12016-017-8611-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Familial hypercholesterolemia (FH) is the most common inherited form of dyslipidemia and a major cause of premature cardiovascular disease. Management of FH mainly relies on the efficiency of treatments that reduce plasma low-density lipoprotein (LDL) cholesterol (LDL-C) concentrations. MicroRNAs (miRs) have been suggested as emerging regulators of plasma LDL-C concentrations. Notably, there is evidence showing that miRs can regulate the post-transcriptional expression of genes involved in the pathogenesis of FH, including LDLR, APOB, PCSK9, and LDLRAP1. In addition, many miRs are located in genomic loci associated with abnormal levels of circulating lipids and lipoproteins in human plasma. The strong regulatory effects of miRs on the expression of FH-associated genes support of the notion that manipulation of miRs might serve as a potential novel therapeutic approach. The present review describes miRs-targeting FH-associated genes that could be used as potential therapeutic targets in patients with FH or other severe dyslipidemias.
Collapse
Affiliation(s)
- Amir Abbas Momtazi
- Nanotechnology Research Center, Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maciej Banach
- Department of Hypertension, WAM University Hospital in Lodz, Medical University of Lodz (MUL), Zeromskiego 113, 90-549, Lodz, Poland. .,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland. .,Cardiovascular Research Centre, University of Zielona Gora, Zielona Gora, Poland.
| | - Matteo Pirro
- Unit of Internal Medicine, Angiology and Arteriosclerosis Diseases, Department of Medicine, University of Perugia, Perugia, Italy
| | - Evan A Stein
- Metabolic and Atherosclerosis Research Center, Cincinnati, OH, USA
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, 9177948564, Iran. .,School of Medicine, University of Western Australia, Perth, Australia. .,Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, P.O. Box: 91779-48564, Mashhad, Iran.
| |
Collapse
|
27
|
Seidah NG, Chrétien M, Mbikay M. The ever-expanding saga of the proprotein convertases and their roles in body homeostasis: emphasis on novel proprotein convertase subtilisin kexin number 9 functions and regulation. Curr Opin Lipidol 2018; 29:144-150. [PMID: 29342010 DOI: 10.1097/mol.0000000000000484] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE OF REVIEW The nine members of the proprotein convertase family play major physiological roles during development and in the adult, and their dysregulation leads to various diseases. The primary objective of this article is to review recent findings on the clinical importance of some of these convertases concentrating mostly on PCSK9, the ninth member of the convertase family. This includes the transcriptional and translational regulation of PCSK9, its ability to enhance the degradation of LDL receptor (LDLR), and the implication of PCSK9 in inflammation and sepsis. RECENT FINDINGS PCSK9 levels are upregulated by E2F1 and reduced by specific miRNAs and by Annexin A2 that bind the 3' end of its mRNA. The implication of the LDLR in the clearance of pathogenic bacterial debris in mice and human puts in perspective a new role for PCSK9 in the regulation of sepsis. The specific implication of the LDLR in the clearance of Lp(a) is now confirmed by multiple studies of PCSK9 inhibition in human cohorts. SUMMARY Emerging data suggest that PCSK9 can be regulated at the transcriptional and translational levels by specific factors and miRNAs. The identification of a novel pocket in the catalytic domain of PCSK9 represents a harbinger for a new class of small inhibitor drugs. The implication of the LDLR in reducing the effects of bacterially induced sepsis has been supported by both human and mouse data. Outcome studies confirmed the clinical importance of reducing PCSK9 levels. The present review puts in perspective new developments in the PCSK9 biology and its regulation of the LDLR. VIDEO ABSTRACT: http://links.lww.com/COL/A17.
Collapse
Affiliation(s)
| | - Michel Chrétien
- Laboratory of Functional Endoproteolysis, Montreal Clinical Research Institute of Montreal (IRCM), Montreal, Quebec, Canada
| | - Majambu Mbikay
- Laboratory of Functional Endoproteolysis, Montreal Clinical Research Institute of Montreal (IRCM), Montreal, Quebec, Canada
| |
Collapse
|
28
|
Naeli P, Mirzadeh Azad F, Malakootian M, Seidah NG, Mowla SJ. Post-transcriptional Regulation of PCSK9 by miR-191, miR-222, and miR-224. Front Genet 2017; 8:189. [PMID: 29230236 PMCID: PMC5711823 DOI: 10.3389/fgene.2017.00189] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Accepted: 11/13/2017] [Indexed: 12/24/2022] Open
Abstract
Since proprotein convertase subtilisin kexin 9 (PCSK9) discovery, a gene involved in LDL metabolism regulation and cardiovascular diseases (CVD), many therapeutic strategies have been introduced for direct targeting of PCSK9. The main goal of these strategies has been to reduce PCSK9 protein level either by application of antibodies or inhibition of its production. In this study, we have tried to discover microRNAs (miRNAs) which can target, and hence regulate, PCSK9 expression. Using bioinformatics tools, we selected three microRNAs with binding sites on 3′-UTR of PCSK9. The expression level of these miRNAs was examined in three different cell lines using real-time RT-PCR. We observed a reciprocal expression pattern between expression level of miR-191, miR-222, and miR-224 with that of PCSK9. Accordingly, the expression levels were highest in Huh7 cells which expressed the lowest level of PCSK9, compared to HepG2 and A549 cell lines. PCSK9 mRNA level also showed a significant decline in HepG2 cells transfected with the vectors overexpressing the aforementioned miRNAs. Furthermore, the miRNAs target sites were cloned in psiCHECK-2 vector, and a direct interaction of the miRNAs and the PCSK9 3′-UTR putative target sites was investigated by means of luciferase assay. Our findings revealed that miR-191, miR-222, and miR-224 can directly interact with PCSK9 3′-UTR and regulate its expression. In conclusion, our data introduces a role for miRNAs to regulate PCSK9 expression.
Collapse
Affiliation(s)
- Parisa Naeli
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Fatemeh Mirzadeh Azad
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mahshid Malakootian
- Cardiogenetic Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Nabil G Seidah
- Laboratory of Biochemical Neuroendocrinology, Clinical Research Institute of Montreal, Montreal, QC, Canada
| | - Seyed J Mowla
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| |
Collapse
|
29
|
Hung YH, Sethupathy P. Important Considerations for Studies of Circulating MicroRNAs in Clinical Samples. EBioMedicine 2017; 24:22-23. [PMID: 28988980 PMCID: PMC5652286 DOI: 10.1016/j.ebiom.2017.09.030] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 09/22/2017] [Indexed: 12/12/2022] Open
Affiliation(s)
- Yu-Han Hung
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, United States
| | - Praveen Sethupathy
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, United States.
| |
Collapse
|