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Choi Y, Kim SH, Jun Shin S, Park HS, Seob Shin Y. The effect of Bruton's tyrosine kinase (BTK) inhibitor in the eosinophilic asthma model of mouse. Int Immunopharmacol 2024; 132:111903. [PMID: 38579561 DOI: 10.1016/j.intimp.2024.111903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 02/26/2024] [Accepted: 03/18/2024] [Indexed: 04/07/2024]
Abstract
Bruton's Tyrosine kinase (BTK) plays a pivotal role as the key mediator in B cell signaling. Recent research has revealed that it is also expressed in cells critical to asthma development, such as T cells, and eosinophils. This study aims to investigate the potential of BTK inhibitor in eosinophilic asthma mouse model. BALB/c mice were sensitized with ovalbumin (OVA) via intraperitoneal injections and followed by OVA nebulizations. The mice were treated with 250 µg/ml or 500 µg/ml of ibrutinib before the second intraperitoneal injection and the first nebulization. Two days after the last OVA challenge, airway hyperresponsiveness (AHR) was assessed with methacholine, and differential cell count in bronchoalveolar lavage fluid (BALF) was performed. The cytokines were measured in BALF, and serum OVA-specific IgE and IgG antibody levels were evaluated by ELISA. The inhibitory effect of ibrutinib was also evaluated in splenic mononuclear cells, mast cells, eosinophils, and T cells in vitro. Treatment with ibrutinib significantly attenuated AHR and airway inflammation, compared to the OVA-induced positive control. The treatment also reduced IL-4, IL-5, IL-13 and IFN-γ cytokine levels and suppressed OVA-specific IgE and IgG production compared to the OVA-induced positive control. Additionally, ibrutinib decreased beta-hexosaminidase release from mast cells, type 2 cytokine productions from mononuclear cells and T cells, and eosinophilic activation markers in vitro. The results of this study suggest that ibrutinib treatment could exert anti-allergic effects by inactivating B cells and other BTK-expressing cells. Further studies are needed to investigate the potential therapeutic effect of ibrutinib on allergic diseases.
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Affiliation(s)
- YeJi Choi
- Department of Biomedical Science, Graduate School of Ajou University, Worldcup-ro 164, Yeoungtong-gu, Suwon-si 16499, South Korea.
| | - Seo-Hee Kim
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Worldcup-ro 164, Yeoungtong-gu, Suwon-si 16499, South Korea.
| | - Seung Jun Shin
- Department of Biomedical Science, Graduate School of Ajou University, Worldcup-ro 164, Yeoungtong-gu, Suwon-si 16499, South Korea.
| | - Hae-Sim Park
- Department of Biomedical Science, Graduate School of Ajou University, Worldcup-ro 164, Yeoungtong-gu, Suwon-si 16499, South Korea; Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Worldcup-ro 164, Yeoungtong-gu, Suwon-si 16499, South Korea.
| | - Yoo Seob Shin
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Worldcup-ro 164, Yeoungtong-gu, Suwon-si 16499, South Korea.
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Schütz S, Solé-Boldo L, Lucena-Porcel C, Hoffmann J, Brobeil A, Lonsdorf AS, Rodríguez-Paredes M, Lyko F. Functionally distinct cancer-associated fibroblast subpopulations establish a tumor promoting environment in squamous cell carcinoma. Nat Commun 2023; 14:5413. [PMID: 37669956 PMCID: PMC10480447 DOI: 10.1038/s41467-023-41141-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 08/24/2023] [Indexed: 09/07/2023] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is a serious public health problem due to its high incidence and metastatic potential. It may progress from actinic keratosis (AK), a precancerous lesion, or the in situ carcinoma, Bowen's disease (BD). During this progression, malignant keratinocytes activate dermal fibroblasts into tumor promoting cancer-associated fibroblasts (CAFs), whose origin and emergence remain largely unknown. Here, we generate and analyze >115,000 single-cell transcriptomes from healthy skin, BD and cSCC of male donors. Our results reveal immunoregulatory and matrix-remodeling CAF subtypes that may derive from pro-inflammatory and mesenchymal fibroblasts, respectively. These CAF subtypes are largely absent in AK and interact with different cell types to establish a pro-tumorigenic microenvironment. These findings are cSCC-specific and could not be recapitulated in basal cell carcinomas. Our study provides important insights into the potential origin and functionalities of dermal CAFs that will be highly beneficial for the specific targeting of the cSCC microenvironment.
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Affiliation(s)
- Sabrina Schütz
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany
| | - Llorenç Solé-Boldo
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany
| | - Carlota Lucena-Porcel
- Institute of Pathology, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
- Tissue Bank of the National Center for Tumor Diseases (NCT), 69120, Heidelberg, Germany
| | - Jochen Hoffmann
- Department of Dermatology, University Hospital, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
| | - Alexander Brobeil
- Institute of Pathology, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
- Tissue Bank of the National Center for Tumor Diseases (NCT), 69120, Heidelberg, Germany
| | - Anke S Lonsdorf
- Department of Dermatology, University Hospital, Ruprecht-Karls University of Heidelberg, 69120, Heidelberg, Germany
| | - Manuel Rodríguez-Paredes
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany.
| | - Frank Lyko
- Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120, Heidelberg, Germany.
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3
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Hanč P, Messou MA, Wang Y, von Andrian UH. Control of myeloid cell functions by nociceptors. Front Immunol 2023; 14:1127571. [PMID: 37006298 PMCID: PMC10064072 DOI: 10.3389/fimmu.2023.1127571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 02/23/2023] [Indexed: 03/19/2023] Open
Abstract
The immune system has evolved to protect the host from infectious agents, parasites, and tumor growth, and to ensure the maintenance of homeostasis. Similarly, the primary function of the somatosensory branch of the peripheral nervous system is to collect and interpret sensory information about the environment, allowing the organism to react to or avoid situations that could otherwise have deleterious effects. Consequently, a teleological argument can be made that it is of advantage for the two systems to cooperate and form an “integrated defense system” that benefits from the unique strengths of both subsystems. Indeed, nociceptors, sensory neurons that detect noxious stimuli and elicit the sensation of pain or itch, exhibit potent immunomodulatory capabilities. Depending on the context and the cellular identity of their communication partners, nociceptors can play both pro- or anti-inflammatory roles, promote tissue repair or aggravate inflammatory damage, improve resistance to pathogens or impair their clearance. In light of such variability, it is not surprising that the full extent of interactions between nociceptors and the immune system remains to be established. Nonetheless, the field of peripheral neuroimmunology is advancing at a rapid pace, and general rules that appear to govern the outcomes of such neuroimmune interactions are beginning to emerge. Thus, in this review, we summarize our current understanding of the interaction between nociceptors and, specifically, the myeloid cells of the innate immune system, while pointing out some of the outstanding questions and unresolved controversies in the field. We focus on such interactions within the densely innervated barrier tissues, which can serve as points of entry for infectious agents and, where known, highlight the molecular mechanisms underlying these interactions.
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Affiliation(s)
- Pavel Hanč
- Department of Immunology, Harvard Medical School, Boston, MA, United States
- The Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
- *Correspondence: Pavel Hanč, ; Ulrich H. von Andrian,
| | - Marie-Angèle Messou
- Department of Immunology, Harvard Medical School, Boston, MA, United States
- The Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Yidi Wang
- Department of Immunology, Harvard Medical School, Boston, MA, United States
- The Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
| | - Ulrich H. von Andrian
- Department of Immunology, Harvard Medical School, Boston, MA, United States
- The Ragon Institute of Massachusetts General Hospital (MGH), Massachusetts Institute of Technology (MIT) and Harvard, Cambridge, MA, United States
- *Correspondence: Pavel Hanč, ; Ulrich H. von Andrian,
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Jailani ABA, Bigos KJA, Avgoustou P, Egan JL, Hathway RA, Skerry TM, Richards GO. Targeting the adrenomedullin-2 receptor for the discovery and development of novel anti-cancer agents. Expert Opin Drug Discov 2022; 17:839-848. [PMID: 35733389 DOI: 10.1080/17460441.2022.2090541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Adrenomedullin (AM) is a peptide responsible for many physiological processes including vascular health and hormone regulation. Dysregulation of AM signaling can stimulate cancers by promoting proliferation, angiogenesis and metastasis. Two AM receptors contribute to tumor progression in different ways. Adrenomedullin-1 receptor (AM1R) regulates blood pressure and blocking AM signaling via AM1R would be clinically unacceptable. Therefore, antagonizing adrenomedullin-2 receptor (AM2R) presents as an avenue for anti-cancer drug development. AREAS COVERED We review the literature to highlight AM's role in cancer as well as delineating the specific roles AM1R and AM2R mediate in the development of a pro-tumoral microenvironment. We highlight the importance of exploring the residue differences between the receptors that led to the development of first-in-class selective AM2R small molecule antagonists. We also summarize the current approaches targeting AM and its receptors, their anti-tumor effects and their limitations. EXPERT OPINION As tool compounds, AM2R antagonists will allow the dissection of the functions of CGRPR (calcitonin gene-related peptide receptor), AM1R and AM2R, and has considerable potential as a first-in-class oncology therapy. Furthermore, the lack of detectable side effects and good drug-like pharmacokinetic properties of these AM2R antagonists support the promise of this class of compounds as potential anti-cancer therapeutics.
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Affiliation(s)
- Ameera B A Jailani
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Kamilla J A Bigos
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Paris Avgoustou
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Joseph L Egan
- Department of Chemistry, University of Sheffield, Sheffield, UK
| | | | - Timothy M Skerry
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Gareth O Richards
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
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Gülen T, Teufelberger A, Ekoff M, Westerberg CM, Lyberg K, Dahlén SE, Dahlén B, Nilsson G. Distinct plasma biomarkers confirm the diagnosis of mastocytosis and identify increased risk of anaphylaxis. J Allergy Clin Immunol 2021; 148:889-894. [PMID: 33667475 DOI: 10.1016/j.jaci.2021.02.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 02/14/2021] [Accepted: 02/23/2021] [Indexed: 11/18/2022]
Abstract
BACKGROUND Mastocytosis encompasses a heterogeneous group of disorders characterized by accumulation of clonal mast cells (MCs) in the skin and/or internal organs. Patients typically present with a broad variety of recurrent mediator-related clinical symptoms, including severe anaphylaxis. However, not all patients with mastocytosis experience anaphylactic reactions. OBJECTIVE We sought to identify disease-specific biomarkers in plasma that could be used to predict patients with mastocytosis with increased risk of anaphylaxis. METHODS Nineteen patients (≥18 years) and 2 control groups (11 subjects with allergic asthma and 13 healthy volunteers without history of atopy) were recruited. In total, 248 plasma proteins were analyzed by Proximity Extension Assay using Olink Proseek Multiplex panels. RESULTS We identified 4 novel proteins, in addition to tryptase, E-selectin, adrenomedullin, T-cell immunoglobulin, and mucin domain 1, and CUB domain-containing protein 1/CD138 to be significantly increased in patients with mastocytosis compared with both patients with asthma and healthy controls. Furthermore, we investigated whether we could discriminate between patients with mastocytosis with or without anaphylaxis. In addition to tryptase, we identified 3 novel proteins, that is, allergin-1, pregnancy-associated plasma protein-A, and galectin-3, with significantly different levels in patients with mastocytosis with anaphylaxis compared with those without anaphylaxis. CONCLUSIONS Newly identified proteomic biomarkers may be used to predict patients with mastocytosis with increased risk of anaphylaxis.
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Affiliation(s)
- Theo Gülen
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, Stockholm, Sweden; Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden; Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Center Karolinska, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden.
| | - Andrea Teufelberger
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Center Karolinska, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Maria Ekoff
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Center Karolinska, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Christine Möller Westerberg
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Center Karolinska, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Katarina Lyberg
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Center Karolinska, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Sven-Erik Dahlén
- Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Experimental Allergy and Asthma Research, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Barbro Dahlén
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, Stockholm, Sweden; Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Center Karolinska, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Gunnar Nilsson
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden; Centre for Allergy Research, Karolinska Institutet, Stockholm, Sweden; Mastocytosis Center Karolinska, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden; Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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6
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Vázquez R, Riveiro ME, Berenguer-Daizé C, O'Kane A, Gormley J, Touzelet O, Rezai K, Bekradda M, Ouafik L. Targeting Adrenomedullin in Oncology: A Feasible Strategy With Potential as Much More Than an Alternative Anti-Angiogenic Therapy. Front Oncol 2021; 10:589218. [PMID: 33489885 PMCID: PMC7815935 DOI: 10.3389/fonc.2020.589218] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 11/02/2020] [Indexed: 12/18/2022] Open
Abstract
The development, maintenance and metastasis of solid tumors are highly dependent on the formation of blood and lymphatic vessels from pre-existing ones through a series of processes that are respectively known as angiogenesis and lymphangiogenesis. Both are mediated by specific growth-stimulating molecules, such as the vascular endothelial growth factor (VEGF) and adrenomedullin (AM), secreted by diverse cell types which involve not only the cancerogenic ones, but also those constituting the tumor stroma (i.e., macrophages, pericytes, fibroblasts, and endothelial cells). In this sense, anti-angiogenic therapy represents a clinically-validated strategy in oncology. Current therapeutic approaches are mainly based on VEGF-targeting agents, which, unfortunately, are usually limited by toxicity and/or tumor-acquired resistance. AM is a ubiquitous peptide hormone mainly secreted in the endothelium with an important involvement in blood vessel development and cardiovascular homeostasis. In this review, we will introduce the state-of-the-art in terms of AM physiology, while putting a special focus on its pro-tumorigenic role, and discuss its potential as a therapeutic target in oncology. A large amount of research has evidenced AM overexpression in a vast majority of solid tumors and a correlation between AM levels and disease stage, progression and/or vascular density has been observed. The analysis presented here indicates that the involvement of AM in the pathogenesis of cancer arises from: 1) direct promotion of cell proliferation and survival; 2) increased vascularization and the subsequent supply of nutrients and oxygen to the tumor; 3) and/or alteration of the cell phenotype into a more aggressive one. Furthermore, we have performed a deep scrutiny of the pathophysiological prominence of each of the AM receptors (AM1 and AM2) in different cancers, highlighting their differential locations and functions, as well as regulatory mechanisms. From the therapeutic point of view, we summarize here an exhaustive series of preclinical studies showing a reduction of tumor angiogenesis, metastasis and growth following treatment with AM-neutralizing antibodies, AM receptor antagonists, or AM receptor interference. Anti-AM therapy is a promising strategy to be explored in oncology, not only as an anti-angiogenic alternative in the context of acquired resistance to VEGF treatment, but also as a potential anti-metastatic approach.
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Affiliation(s)
- Ramiro Vázquez
- Preclinical Department, Early Drug Development Group (E2DG), Boulogne-Billancourt, France.,Center for Genomic Science of IIT@SEMM, Fondazione Istituto Italiano di Tecnologia (IIT), Milan, Italy
| | - Maria E Riveiro
- Preclinical Department, Early Drug Development Group (E2DG), Boulogne-Billancourt, France
| | | | - Anthony O'Kane
- Discovery and Scientific Affairs Department, Fusion Antibodies plc., Belfast, United Kingdom
| | - Julie Gormley
- Discovery and Scientific Affairs Department, Fusion Antibodies plc., Belfast, United Kingdom
| | - Olivier Touzelet
- Discovery and Scientific Affairs Department, Fusion Antibodies plc., Belfast, United Kingdom
| | - Keyvan Rezai
- Department of Radio-Pharmacology, Institute Curie-René Huguenin Hospital, Saint-Cloud, France
| | - Mohamed Bekradda
- Preclinical Department, Early Drug Development Group (E2DG), Boulogne-Billancourt, France
| | - L'Houcine Ouafik
- Aix Marseille University, CNRS, INP, Institute of NeuroPhysiopathology, Marseille, France.,APHM, CHU Nord, Service de Transfert d'Oncologie Biologique, Marseille, France
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7
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Gou L, Yue GGL, Puno PT, Lau CBS. A review on the relationship of mast cells and macrophages in breast cancer - Can herbs or natural products facilitate their anti-tumor effects? Pharmacol Res 2020; 164:105321. [PMID: 33285235 DOI: 10.1016/j.phrs.2020.105321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 11/05/2020] [Accepted: 11/21/2020] [Indexed: 12/27/2022]
Abstract
Breast cancer is an inflammation-related cancer whose tumor microenvironment is largely infiltrated by inflammatory cells. These inflammatory cells including mast cells and macrophages have been elucidated to be vital participants in breast tumor proliferation, survival, invasion and migration. However, the functions of mast cells and macrophages in breast cancer are quite distinct based on recent data. Mast cells exhibit both anti-tumoral and pro-tumoral functions on breast cancer, while high number of tumor-associated macrophages (TAMs) are strongly correlated with poor prognosis and higher risk of distant metastasis in breast cancer patients. Besides, many natural products/extracts have been reported to regulate mast cells and macrophages. In this review, the roles of mast cells and macrophages play in breast cancer are discussed and a summary of those natural products/herbs regulating the functions of mast cells or macrophages is also presented.
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Affiliation(s)
- Leilei Gou
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Grace Gar-Lee Yue
- Institute of Chinese Medicine, The Chinese University of Hong Kong, Shatin, New Territories, HKSAR, China; State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Shatin, New Territories, HKSAR, China
| | - Pema Tenzin Puno
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, Yunnan, China.
| | - Clara Bik-San Lau
- Institute of Chinese Medicine, The Chinese University of Hong Kong, Shatin, New Territories, HKSAR, China; State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants, The Chinese University of Hong Kong, Shatin, New Territories, HKSAR, China.
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8
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Fischer JP, Els-Heindl S, Beck-Sickinger AG. Adrenomedullin - Current perspective on a peptide hormone with significant therapeutic potential. Peptides 2020; 131:170347. [PMID: 32569606 DOI: 10.1016/j.peptides.2020.170347] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 06/04/2020] [Accepted: 06/08/2020] [Indexed: 12/11/2022]
Abstract
The peptide hormone adrenomedullin (ADM) consists of 52 amino acids and plays a pivotal role in the regulation of many physiological processes, particularly those of the cardiovascular and lymphatic system. Like calcitonin (CT), calcitonin gene-related peptide (CGRP), intermedin (IMD) and amylin (AMY), it belongs to the CT/CGRP family of peptide hormones, which despite their low little sequence identity share certain characteristic structural features as well as a complex multicomponent receptor system. ADM, IMD and CGRP exert their biological effects by activation of the calcitonin receptor-like receptor (CLR) as a complex with one of three receptor activity-modifying proteins (RAMP), which alter the ligand affinity. Selectivity within the receptor system is largely mediated by the amidated C-terminus of the peptide hormones, which bind to the extracellular domains of the receptors. This enables their N-terminus consisting of a disulfide-bonded ring structure and a helical segment to bind within the transmembrane region and to induce an active receptor confirmation. ADM is expressed in a variety of tissues in the human body and is fundamentally involved in multitude biological processes. Thus, it is of interest as a diagnostic marker and a promising candidate for therapeutic interventions. In order to fully exploit the potential of ADM, it is necessary to improve its pharmacological profile by increasing the metabolic stability and, ideally, creating receptor subtype-selective analogs. While several successful attempts to prolong the half-life of ADM were recently reported, improving or even retaining receptor selectivity remains challenging.
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Affiliation(s)
- Jan-Patrick Fischer
- Institut für Biochemie, Universität Leipzig, Brüderstraße 34, 04103 Leipzig, Germany
| | - Sylvia Els-Heindl
- Institut für Biochemie, Universität Leipzig, Brüderstraße 34, 04103 Leipzig, Germany
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9
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Peng H, Liao B, Zhu X, Liu Y, Jiang Y, Wu S. CCR3-shRNA promotes apoptosis and inhibits chemotaxis and degranulation of mouse mast cells. Exp Ther Med 2020; 20:1030-1038. [PMID: 32742345 PMCID: PMC7388334 DOI: 10.3892/etm.2020.8737] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 03/17/2020] [Indexed: 11/09/2022] Open
Abstract
Mast cells (MCs) are the major effector cells of allergic rhinitis (AR). The present study aimed to investigate the effects of C-C chemokine receptor type 3 (CCR3) on the proliferation, apoptosis, chemotaxis and activated degranulation of mouse MCs. Mouse bone marrow-derived MCs were cultured in vitro, purified and identified using toluidine blue staining and flow cytometry. Three different CCR3-short hairpin (shRNA) lentiviral vectors were constructed and transfected into MCs, and the mRNA and protein expression levels of CCR3 were assessed by reverse transcription-quantitative PCR and western blotting. Proliferation and apoptosis of the MCs were measured using Cell Counting kit-8 (CCK-8) assays and flow cytometry, respectively. MC chemotaxis was assessed by Transwell assay and quantified using flow cytometry. The activation of MC degranulation was examined using ELISAs. The results demonstrated that MCs were appropriately isolated, and identified that CCR3-shRNA2 presented the higher knockdown effect among the three shRNAs tested. Following 96 h of transfection, the results of CCK-8 and flow cytometry assays demonstrated that CCR3-shRNA2 inhibited MC proliferation and promoted MC apoptosis. The results from the Transwell assay indicated that CCR3-shRNA2 restrained MC chemotaxis, whereas ELISA results demonstrated that CCR3-shRNA2 suppressed MC degranulation. In conclusion, CCR3-shRNA2 effectively downregulated CCR3 mRNA and protein expression levels in mouse MCs. In addition, CCR3-shRNA2 promoted MC apoptosis and suppressed the proliferation, chemotaxis and degranulation of mouse MCs, suggesting that CCR3-shRNA2 may serve as a therapeutic tool for the treatment of allergic rhinitis.
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Affiliation(s)
- Haisen Peng
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Bing Liao
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Xinhua Zhu
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Yuehui Liu
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Yinli Jiang
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
| | - Shuhong Wu
- Department of Otolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, P.R. China
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10
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Jia J, Zhang H, Zhang H, Liu W, Du H, Shu M, He L. AR facilitates YAP-TEAD interaction with the AM promoter to enhance mast cell infiltration into cutaneous neurofibroma. Sci Rep 2019; 9:19346. [PMID: 31852972 PMCID: PMC6920444 DOI: 10.1038/s41598-019-56022-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 12/05/2019] [Indexed: 11/28/2022] Open
Abstract
Abundant mast cell infiltration and disease initiation at puberty are hallmark features of cutaneous neurofibroma (cNF). However, the association between mast cell infiltration and steroid hormones in cNF remains unclear. Here, we determined that androgen receptor (AR) expression is positively associated with mast cell density in cNF tissues. Moreover, both in vitro cell experiments and in vivo mouse models verified that activated AR promoted mast cell infiltration and that AR inhibition reduced mast cell infiltration. Analyses in cell models and xenograft tumours both demonstrated that AR upregulated Yes associate protein 1 (YAP)-adrenomedullin (AM) signalling. Clinical samples from cNF patients further verified that AR was positively related to YAP and AM. Mechanistic analysis revealed that AR accelerates AM transcription via enhancing YAP- TEA domain transcription factor (TEAD) binding to the AM promoter. Consequently, the upregulated AM enhanced mast cell recruitment. Interruption of the YAP-TEAD interaction or inhibition of AM could impair mast cell accumulation induced by active AR, which indicated that this newly found signalling pathway may provide novel targets for cNF treatment.
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Affiliation(s)
- Jing Jia
- Department of Plastic, Cosmetic and Maxillofacial Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.,The School of Electronic and Information Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Haibao Zhang
- Key Laboratory for Tumor Precision Medicine of Shaanxi Province, Xi'an, Shaanxi, China
| | - Hongke Zhang
- Department of Plastic, Cosmetic and Maxillofacial Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Wenbo Liu
- Department of Plastic, Cosmetic and Maxillofacial Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Huicong Du
- Department of Plastic, Cosmetic and Maxillofacial Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Maoguo Shu
- Department of Plastic, Cosmetic and Maxillofacial Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Lin He
- Department of Plastic, Cosmetic and Maxillofacial Surgery, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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11
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Fischer J, Schönauer R, Els‐Heindl S, Bierer D, Koebberling J, Riedl B, Beck‐Sickinger AG. Adrenomedullin disulfide bond mimetics uncover structural requirements for AM1receptor activation. J Pept Sci 2019; 25:e3147. [DOI: 10.1002/psc.3147] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 12/22/2018] [Accepted: 12/23/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Jan‐Patrick Fischer
- Institut für Biochemie, Fakultät für Lebenswissenschaften, Universität Leipzig Leipzig Germany
| | - Ria Schönauer
- Institut für Biochemie, Fakultät für Lebenswissenschaften, Universität Leipzig Leipzig Germany
| | - Sylvia Els‐Heindl
- Institut für Biochemie, Fakultät für Lebenswissenschaften, Universität Leipzig Leipzig Germany
| | | | | | - Bernd Riedl
- Bayer AG, Aprather Weg 18A Wuppertal Germany
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12
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Shirey KA, Sunday ME, Lai W, Patel M, Blanco JCG, Cuttitta F, Vogel SN. Novel role of gastrin releasing peptide-mediated signaling in the host response to influenza infection. Mucosal Immunol 2019; 12:223-231. [PMID: 30327535 PMCID: PMC6301097 DOI: 10.1038/s41385-018-0081-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 07/19/2018] [Accepted: 08/08/2018] [Indexed: 02/04/2023]
Abstract
Gastrin-releasing peptide (GRP) is an evolutionarily well-conserved neuropeptide that was originally recognized for its ability to mediate gastric acid secretion in the gut. More recently, however, GRP has been implicated in pulmonary lung inflammatory diseases including bronchopulmonary dysplasia, chronic obstructive pulmonary disease, emphysema, and others. Antagonizing GRP or its receptor mitigated lethality associated with the onset of viral pneumonia in a well-characterized mouse model of influenza. In mice treated therapeutically with the small-molecule GRP inhibitor, NSC77427, increased survival was accompanied by decreased numbers of GRP-producing pulmonary neuroendocrine cells, improved lung histopathology, and suppressed cytokine gene expression. In addition, in vitro studies in macrophages indicate that GRP synergizes with the prototype TLR4 agonist, lipopolysaccharide, to induce cytokine gene expression. Thus, these findings reveal that GRP is a previously unidentified mediator of influenza-induced inflammatory disease that is a potentially novel target for therapeutic intervention.
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Affiliation(s)
- Kari Ann Shirey
- Dept. of Microbiology and Immunology, Univ. of Maryland, School of Medicine, Baltimore, MD USA 21201
| | - Mary E. Sunday
- Dept. of Pathology, Duke University Medical Center, Durham, NC USA 27710
| | - Wendy Lai
- Dept. of Microbiology and Immunology, Univ. of Maryland, School of Medicine, Baltimore, MD USA 21201
| | - Mira Patel
- Sigmovir Biosystems, Inc., Rockville, MD USA 20850
| | | | - Frank Cuttitta
- Mouse Cancer Genetics Program, National Cancer Institute, NIH, Frederick, MD USA 21702
| | - Stefanie N. Vogel
- Dept. of Microbiology and Immunology, Univ. of Maryland, School of Medicine, Baltimore, MD USA 21201
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13
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Degranulation of mast cells induced by gastric cancer-derived adrenomedullin prompts gastric cancer progression. Cell Death Dis 2018; 9:1034. [PMID: 30305610 PMCID: PMC6180028 DOI: 10.1038/s41419-018-1100-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 09/04/2018] [Accepted: 09/14/2018] [Indexed: 12/17/2022]
Abstract
Mast cells are prominent components of solid tumors and exhibit distinct phenotypes in different tumor microenvironments. However, their precise mechanism of communication in gastric cancer remains largely unclear. Here, we found that patients with GC showed a significantly higher mast cell infiltration in tumors. Mast cell levels increased with tumor progression and independently predicted reduced overall survival. Tumor-derived adrenomedullin (ADM) induced mast cell degranulation via PI3K-AKT signaling pathway, which effectively promoted the proliferation and inhibited the apoptosis of GC cells in vitro and contributed to the growth and progression of GC tumors in vivo, and the effect could be reversed by blocking interleukin (IL)-17A production from these mast cells. Our results illuminate a novel protumorigenic role and associated mechanism of mast cells in GC, and also provide functional evidence for these mast cells to prevent, and to treat this immunopathogenesis feature of GC.
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14
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Longo V, Tamma R, Brunetti O, Pisconti S, Argentiero A, Silvestris N, Ribatti D. Mast cells and angiogenesis in pancreatic ductal adenocarcinoma. Clin Exp Med 2018; 18:319-323. [PMID: 29492715 DOI: 10.1007/s10238-018-0493-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 11/15/2017] [Indexed: 12/23/2022]
Abstract
Mast cells are recognized as critical components of the tumor stromal microenvironment in several solid and hematological malignancies, promoting angiogenesis and tumor growth. A correlation between mast cells infiltration, angiogenesis and tumor progression has been reported for pancreatic ductal adenocarcinoma as well. Mast cells contribute to the aggressiveness of the pancreatic ductal carcinoma enhancing the expression of several pro-angiogenic factors such as vascular endothelial growth factor, fibroblast growth factor-2, platelet-derived growth factor and angiopoietin-1 as well as stimulating the pancreatic cancer cells proliferation by IL-13 and tryptase. The disruption of this pro-angiogenic and proliferative stimulation by inhibiting the mast cells migration and degranulation is under investigation as a potential therapeutic approach in pancreatic ductal adenocarcinoma patients. This review will summarize the literature concerning the mast cells infiltration in the pancreatic ductal adenocarcinoma analyzing its role in angiogenesis and tumor progression.
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Affiliation(s)
- Vito Longo
- Department of Medical Oncology, Hospital of Taranto, Taranto, Italy
| | - Roberto Tamma
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy.,National Cancer Institute "Giovanni Paolo II", Bari, Italy
| | - Oronzo Brunetti
- Medical Oncology Unit and Scientific Directorate, Cancer Institute "Giovanni Paolo II", Viale Orazio Flacco, 65, 70124, Bari, Italy
| | | | - Antonella Argentiero
- Medical Oncology Unit and Scientific Directorate, Cancer Institute "Giovanni Paolo II", Viale Orazio Flacco, 65, 70124, Bari, Italy
| | - Nicola Silvestris
- Medical Oncology Unit and Scientific Directorate, Cancer Institute "Giovanni Paolo II", Viale Orazio Flacco, 65, 70124, Bari, Italy.
| | - Domenico Ribatti
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy.,National Cancer Institute "Giovanni Paolo II", Bari, Italy
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15
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Benyahia Z, Dussault N, Cayol M, Sigaud R, Berenguer-Daizé C, Delfino C, Tounsi A, Garcia S, Martin PM, Mabrouk K, Ouafik L. Stromal fibroblasts present in breast carcinomas promote tumor growth and angiogenesis through adrenomedullin secretion. Oncotarget 2017; 8:15744-15762. [PMID: 28178651 PMCID: PMC5362520 DOI: 10.18632/oncotarget.14999] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 01/03/2017] [Indexed: 11/25/2022] Open
Abstract
Tumor- or cancer-associated fibroblasts (TAFs or CAFs) are active players in tumorigenesis and exhibit distinct angiogenic and tumorigenic properties. Adrenomedullin (AM), a multifunctional peptide plays an important role in angiogenesis and tumor growth through its receptors calcitonin receptor-like receptor/receptor activity modifying protein-2 and -3 (CLR/RAMP2 and CLR/RAMP3). We show that AM and AM receptors mRNAs are highly expressed in CAFs prepared from invasive breast carcinoma when compared to normal fibroblasts. Immunostaining demonstrates the presence of immunoreactive AM and AM receptors in the CAFs (n = 9). The proliferation of CAFs is decreased by anti-AM antibody (αAM) and anti-AM receptors antibody (αAMR) treatment, suggesting that AM may function as a potent autocrine/paracrine growth factor. Systemic administration of αAMR reduced neovascularization of in vivo Matrigel plugs containing CAFs as demonstrated by reduced numbers of the vessel structures, suggesting that AM is one of the CAFs-derived factors responsible for endothelial cell-like and pericytes recruitment to built a neovascularization. We show that MCF-7 admixed with CAFs generated tumors of greater volume significantly different from the MCF-7 xenografts in nude mice due in part to the induced angiogenesis. αAMR and AM22-52 therapies significantly suppressed the growth of CAFs/MCF-7 tumors. Histological examination of tumors treated with AM22-52 and aAMR showed evidence of disruption of tumor vasculature with depletion of vascular endothelial cells, induced apoptosis and decrease of tumor cell proliferation. Our findings highlight the importance of CAFs-derived AM pathway in growth of breast carcinoma and in neovascularization by supplying and amplifying signals that are essential for pathologic angiogenesis.
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Affiliation(s)
- Zohra Benyahia
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Nadège Dussault
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Mylène Cayol
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Romain Sigaud
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Caroline Berenguer-Daizé
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Christine Delfino
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Asma Tounsi
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Stéphane Garcia
- Assistance Publique Hôpitaux de Marseille, Laboratoire d'Anatomie Pathologique, 13015, Marseille, France
| | - Pierre-Marie Martin
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France
| | - Kamel Mabrouk
- Aix Marseille University, CNRS, ICR, UMR 7273 CROPS, 13397, Marseille, France
| | - L'Houcine Ouafik
- Aix Marseille University, The Institut National pour la Recherche Médicale, Centre de Recherche en Oncologie et Oncopharmacologie, UMR 911, 13005, Marseille, France.,Assistance Publique Hôpitaux de Marseille, Service de Transfert d'Oncologie Biologique, 13015, Marseille, France
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16
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Cimpean AM, Tamma R, Ruggieri S, Nico B, Toma A, Ribatti D. Mast cells in breast cancer angiogenesis. Crit Rev Oncol Hematol 2017; 115:23-26. [PMID: 28602166 DOI: 10.1016/j.critrevonc.2017.04.009] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/26/2017] [Accepted: 04/26/2017] [Indexed: 02/06/2023] Open
Abstract
Mast cells, accumulate in the stroma surrounding certain tumors and take part to the inflammatory reaction occurring at the periphery of the tumor. Mast cell-secreted angiogenic cytokines facilitate tumor vascularization not only by a direct effect but also by stimulating other inflammatory cells of the tumor microenvironment to release other angiogenic mediators. An increased number of mast cells have been demonstrated in angiogenesis associated with solid tumors, including breast cancer. Mast cells might act as a new target for the adjuvant treatment of breast cancer through the selective inhibition of angiogenesis, tissue remodeling and tumor promoting molecules, allowing the secretion of cytotoxic cytokines and preventing mast cell mediated immune-suppression.
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Affiliation(s)
- Anca Maria Cimpean
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania
| | - Roberto Tamma
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy,; National Cancer Institute "Giovanni Paolo II", Bari, Italy
| | - Simona Ruggieri
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy
| | - Beatrice Nico
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy
| | - Alina Toma
- Department of Microscopic Morphology/Histology, Angiogenesis Research Center, Victor Babeș University of Medicine and Pharmacy, Timișoara, Romania
| | - Domenico Ribatti
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy,; National Cancer Institute "Giovanni Paolo II", Bari, Italy.
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17
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Schönauer R, Els-Heindl S, Beck-Sickinger AG. Adrenomedullin - new perspectives of a potent peptide hormone. J Pept Sci 2017; 23:472-485. [DOI: 10.1002/psc.2953] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 11/24/2016] [Accepted: 11/28/2016] [Indexed: 12/14/2022]
Affiliation(s)
- Ria Schönauer
- Faculty of Biosciences, Pharmacy and Psychology, Institute of Biochemistry; Leipzig University; Brüderstraße 34 04103 Leipzig Germany
| | - Sylvia Els-Heindl
- Faculty of Biosciences, Pharmacy and Psychology, Institute of Biochemistry; Leipzig University; Brüderstraße 34 04103 Leipzig Germany
| | - Annette G. Beck-Sickinger
- Faculty of Biosciences, Pharmacy and Psychology, Institute of Biochemistry; Leipzig University; Brüderstraße 34 04103 Leipzig Germany
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18
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Abstract
Mast cells (MCs) play a central role in tissue homoeostasis, sensing the local environment through numerous innate cell surface receptors. This enables them to respond rapidly to perceived tissue insults with a view to initiating a co-ordinated programme of inflammation and repair. However, when the tissue insult is chronic, the ongoing release of multiple pro-inflammatory mediators, proteases, cytokines and chemokines leads to tissue damage and remodelling. In asthma, there is strong evidence of ongoing MC activation, and their mediators and cell-cell signals are capable of regulating many facets of asthma pathophysiology. This article reviews the evidence behind this.
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Affiliation(s)
- P Bradding
- Department of Infection, Immunity and Inflammation, Institute for Lung Health, University of Leicester, Leicester, UK
| | - G Arthur
- Department of Infection, Immunity and Inflammation, Institute for Lung Health, University of Leicester, Leicester, UK
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19
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Li L, Dang Q, Xie H, Yang Z, He D, Liang L, Song W, Yeh S, Chang C. Infiltrating mast cells enhance prostate cancer invasion via altering LncRNA-HOTAIR/PRC2-androgen receptor (AR)-MMP9 signals and increased stem/progenitor cell population. Oncotarget 2016; 6:14179-90. [PMID: 25895025 PMCID: PMC4546459 DOI: 10.18632/oncotarget.3651] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 02/28/2015] [Indexed: 12/14/2022] Open
Abstract
Early studies indicated that selective inflammatory immune cells in the prostate tumor microenvironment might be able to influence prostate cancer (PCa) progression. Here we found treating PCa cells with androgen deprivation therapy (ADT) results in the recruitment of more mast cells, which might then increase PCa cell invasion via down-regulation of AR signals in 4 different PCa cell lines. Mechanism dissection revealed infiltrating mast cells could decrease AR transcription via modulation of the PRC2 complex with LncRNA-HOTAIR at the AR 5' promoter region in PCa cells. The consequences of suppressing AR may then increase PCa cell invasion via increased MMP9 expression and/or increased stem/progenitor cell population. The in vivo mouse model with orthotopically xenografted PCa CWR22Rv1 cells with/without mast cells also confirmed that infiltrating mast cells could increase PCa cell invasion via suppression of AR signals. Together, our results provide a new mechanism for the ADT-enhanced PCa metastasis via altering the infiltrating mast cells to modulate PCa AR-MMP9 signals and/or AR-stem/progenitor cell population. Targeting these newly identified inflammatory mast cells-AR signals may help us to better suppress PCa metastasis at the castration resistant stage.
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Affiliation(s)
- Lei Li
- Department of Urology, Sex Hormone Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Departments of Pathology and Urology, George Whipple Lab for Cancer Research, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, New York, USA
| | - Qiang Dang
- Department of Urology, Sex Hormone Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Departments of Pathology and Urology, George Whipple Lab for Cancer Research, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, New York, USA
| | - Hongjun Xie
- Department of Urology, Sex Hormone Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Departments of Pathology and Urology, George Whipple Lab for Cancer Research, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, New York, USA
| | - Zhao Yang
- Department of Urology, Sex Hormone Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Dalin He
- Department of Urology, Sex Hormone Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Liang Liang
- Department of Urology, Sex Hormone Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Departments of Pathology and Urology, George Whipple Lab for Cancer Research, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, New York, USA
| | - Wenbing Song
- Department of Urology, Sex Hormone Research Center, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, China.,Departments of Pathology and Urology, George Whipple Lab for Cancer Research, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, New York, USA
| | - Shuyuan Yeh
- Departments of Pathology and Urology, George Whipple Lab for Cancer Research, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, New York, USA
| | - Chawnshang Chang
- Departments of Pathology and Urology, George Whipple Lab for Cancer Research, The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, New York, USA.,Sex Hormone Research Center, China Medical University/Hospital, Taichung, Taiwan
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20
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Adrenomedullin: A potential therapeutic target for retinochoroidal disease. Prog Retin Eye Res 2016; 52:112-29. [DOI: 10.1016/j.preteyeres.2016.01.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 01/06/2016] [Accepted: 01/07/2016] [Indexed: 11/22/2022]
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21
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Di Liddo R, Bridi D, Gottardi M, De Angeli S, Grandi C, Tasso A, Bertalot T, Martinelli G, Gherlinzoni F, Conconi MT. Adrenomedullin in the growth modulation and differentiation of acute myeloid leukemia cells. Int J Oncol 2016; 48:1659-69. [PMID: 26847772 DOI: 10.3892/ijo.2016.3370] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 01/11/2016] [Indexed: 11/05/2022] Open
Abstract
Adrenomedullin (ADM) is a regulatory peptide endowed with multiple biological effects, including the regulation of blood pressure, cell growth and innate host defence. In the present study, we demonstrated that ADM signaling could be involved in the impaired cellular differentiation of myeloid leukemia cells to mature granulocytes or monocytes by modulating RAMPs/CRLR expression, PI3K/Akt cascade and the ERK/MAPK signaling pathway. When exogenously administered to in vitro cultures of HL60 promyelocytic leukemia cells, ADM was shown to exert a strong proliferative effect with minimal upregulation in the expression level of monocyte antigen CD14. Notably, the experimental inhibition of ADM signaling with inhibitor ADM22-52 promoted a differentiative stimulation towards monocytic and granulocytic lineages. Moreover, based on the expression of CD31 relative to CD38, we hypothesized that an excess of ADM in bone marrow (BM) niche could increase the transendothelial migration of leukemia cells while any inhibitory event of ADM activity could raise cell retention in hyaluronate matrix by upregulating CD38. Taken into consideration the above evidence, we concluded that ADM and ADM22-52 could differently affect the growth of leukemia cells by autocrine/paracrine mechanisms and may have clinical relevance as biological targets for the intervention of tumor progression.
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Affiliation(s)
- Rosa Di Liddo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Deborah Bridi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | | | - Sergio De Angeli
- Treviso Cord Blood Bank and Hematopoietic Cell Culture Laboratory, Transfusional Center, General Hospital, Treviso, Italy
| | - Claudio Grandi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Alessia Tasso
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Thomas Bertalot
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Giovanni Martinelli
- Institute of Haematology 'L. and A. Seràgnoli', Department of Experimental, Diagnostic and Specialty Medicine, 'S. Orsola-Malpighi' University Hospital, University of Bologna, Bologna, Italy
| | | | - Maria Teresa Conconi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
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22
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Li M, Hong LI, Liao M, Guo G. Expression and clinical significance of focal adhesion kinase and adrenomedullin in epithelial ovarian cancer. Oncol Lett 2015; 10:1003-1007. [PMID: 26622614 DOI: 10.3892/ol.2015.3278] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 04/30/2015] [Indexed: 12/31/2022] Open
Abstract
The aim of the present study was to investigate the expression of focal adhesion kinase (FAK) and adrenomedullin (ADM) and determine their clinical significance and cooperative role in human epithelial ovarian cancer. The expression of FAK and ADM was investigated in epithelial ovarian cancer, benign ovarian tumors and normal control tissues by immunohistochemical staining and optical microscopy. The FAK and ADM expression and correlation with clinicopathological parameters was analyzed using SPSS 13.0 software. The expression of FAK and ADM in epithelial ovarian cancer was significantly higher compared with that in benign tumors or normal ovarian tissues (P<0.01); however, no significant difference was observed between benign tumors and normal tissues (P>0.05). The expression of FAK was found to be correlated with histological grade, clinical stage, lymph node metastasis and prognosis (P<0.05), but exhibited no significant association with patient age or histological type (P>0.05). The expression of ADM was significantly correlated with pathological grade, lymph node metastasis and prognosis (P<0.05), but not with age, clinical stage or histological type (P>0.05). The Spearman's rank correlation analysis revealed a positive correlation between FAK and ADM expression (r=0.314). FAK and ADM were more highly expressed in epithelial ovarian cancer compared with benign tumors or normal ovarian tissues. Furthermore, FAK and ADM may play a cooperative role; specifically, FAK may upregulate ADM in the invasion and migration of epithelial ovarian cancer. Thus, FAK and ADM may represent potential biomarkers for evaluating the malignant potential and prognosis of ovarian cancer.
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Affiliation(s)
- Mingqun Li
- Department of Gynecology and Obstetrics, Renmin Hospital of Wuhan University, Wuhan, Hubei 430000, P.R. China ; Department of Gynecology and Obstetrics, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441100, P.R. China
| | - L I Hong
- Department of Gynecology and Obstetrics, Renmin Hospital of Wuhan University, Wuhan, Hubei 430000, P.R. China
| | - Meimei Liao
- Department of Ultrasound Imaging, Renmin Hospital of Wuhan University, Wuhan, Hubei 430000, P.R. China
| | - Guanglin Guo
- Department of Gynecology and Obstetrics, Renmin Hospital of Wuhan University, Wuhan, Hubei 430000, P.R. China
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23
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Dang Q, Li L, Xie H, He D, Chen J, Song W, Chang LS, Chang HC, Yeh S, Chang C. Anti-androgen enzalutamide enhances prostate cancer neuroendocrine (NE) differentiation via altering the infiltrated mast cells → androgen receptor (AR) → miRNA32 signals. Mol Oncol 2015; 9:1241-51. [PMID: 25817444 DOI: 10.1016/j.molonc.2015.02.010] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Revised: 02/24/2015] [Accepted: 02/24/2015] [Indexed: 10/23/2022] Open
Abstract
The recently developed anti-androgen enzalutamide also known as (MDV3100) has the advantage to prolong by 4.8 months the survival of castration resistant prostate cancer (CRPC) patients. However, the mechanisms behind the potential side effects involving the induction of the prostate cancer (PCa) neuroendocrine (NE) differentiation remain unclear. Here we found PCa cells could recruit more mast cells than normal prostate epithelial cells, and enzalutamide (or casodex) treatment could further increase such recruitment that resulted in promoting the PCa NE differentiation. Mechanism dissection found infiltrated mast cells could function through positive feedback to enhance PCa to recruit more mast cells via modulation of the androgen receptor (AR) → cytokines IL8 signals, and interruption by AR-siRNA or neutralizing anti-IL8 antibody could partially reverse the recruitment of mast cells. Importantly, targeting the PCa androgens/AR signals with AR-siRNA or enzalutamide (or casodex) also increased PCa NE differentiation via modulation of the miRNA32 expression, and adding miRNA32 inhibitor reversed the AR-siRNA- or enzalutamide-enhanced NE differentiation. Together, these results not only identified a new signal via infiltrated mast cells → PCa AR → miRNA32 to increase PCa NE differentiation, it also pointed out the potential unwanted side effects of enzalutamide (or casodex) to increase PCa NE differentiation. Targeting these newly identified signals, including AR, IL8, or miRNA32, may help us to better suppress PCa NE differentiation that is induced during ADT with anti-androgen enzalutamide (or casodex) treatment.
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Affiliation(s)
- Qiang Dang
- Sex Hormone Research Center, Department of Urology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China; George Whipple Lab for Cancer Research, Departments of Pathology and Urology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Lei Li
- Sex Hormone Research Center, Department of Urology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China; George Whipple Lab for Cancer Research, Departments of Pathology and Urology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA.
| | - Hongjun Xie
- Sex Hormone Research Center, Department of Urology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China; George Whipple Lab for Cancer Research, Departments of Pathology and Urology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Dalin He
- Sex Hormone Research Center, Department of Urology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - Jiaqi Chen
- Sex Hormone Research Center, Department of Urology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - Wenbing Song
- Sex Hormone Research Center, Department of Urology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China; George Whipple Lab for Cancer Research, Departments of Pathology and Urology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Luke S Chang
- Sex Hormone Research Center, Department of Urology, the First Affiliated Hospital, Xi'an Jiaotong University, Xi'an 710061, China
| | - Hong-Chiang Chang
- George Whipple Lab for Cancer Research, Departments of Pathology and Urology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Shuyuan Yeh
- George Whipple Lab for Cancer Research, Departments of Pathology and Urology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Chawnshang Chang
- George Whipple Lab for Cancer Research, Departments of Pathology and Urology, and The Wilmot Cancer Center, University of Rochester Medical Center, Rochester, NY 14642, USA; Sex Hormone Research Center, China Medical University/Hospital, Taichung 404, Taiwan.
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Larráyoz IM, Martínez-Herrero S, García-Sanmartín J, Ochoa-Callejero L, Martínez A. Adrenomedullin and tumour microenvironment. J Transl Med 2014; 12:339. [PMID: 25475159 PMCID: PMC4272513 DOI: 10.1186/s12967-014-0339-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 11/21/2014] [Indexed: 01/03/2023] Open
Abstract
Adrenomedullin (AM) is a regulatory peptide whose involvement in tumour progression is becoming more relevant with recent studies. AM is produced and secreted by the tumour cells but also by numerous stromal cells including macrophages, mast cells, endothelial cells, and vascular smooth muscle cells. Most cancer patients present high levels of circulating AM and in some cases these higher levels correlate with a worst prognosis. In some cases it has been shown that the high AM levels return to normal following surgical removal of the tumour, thus indicating the tumour as the source of this excessive production of AM. Expression of this peptide is a good investment for the tumour cell since AM acts as an autocrine/paracrine growth factor, prevents apoptosis-mediated cell death, increases tumour cell motility and metastasis, induces angiogenesis, and blocks immunosurveillance by inhibiting the immune system. In addition, AM expression gets rapidly activated by hypoxia through a HIF-1α mediated mechanism, thus characterizing AM as a major survival factor for tumour cells. Accordingly, a number of studies have shown that inhibition of this peptide or its receptors results in a significant reduction in tumour progression. In conclusion, AM is a great target for drug development and new drugs interfering with this system are being developed.
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Affiliation(s)
- Ignacio M Larráyoz
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Sonia Martínez-Herrero
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Josune García-Sanmartín
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Laura Ochoa-Callejero
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Alfredo Martínez
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
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Campillo-Navarro M, Chávez-Blanco AD, Wong-Baeza I, Serafín-López J, Flores-Mejía R, Estrada-Parra S, Estrada-García I, Chacón-Salinas R. Mast Cells in Lung Homeostasis: Beyond Type I Hypersensitivity. CURRENT RESPIRATORY MEDICINE REVIEWS 2014; 10:115-123. [PMID: 25484639 PMCID: PMC4255078 DOI: 10.2174/1573398x10666141024220151] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Revised: 10/07/2014] [Accepted: 10/23/2014] [Indexed: 12/29/2022]
Abstract
Lungs are indispensable organs for the respiratory process, and maintaining their homeostasis is essential for human health and survival. However, during the lifetime of an individual, the lungs suffer countless insults that put at risk their delicate organization and function. Many cells of the immune system participate to maintain this equilibrium and to keep functional lungs. Among these cells, mast cells have recently attracted attention because of their ability to rapidly secrete many chemical and biological mediators that modulate different processes like inflammation, angiogenesis, cell proliferation, etc. In this review, we focus on recent advances in the understanding of the role that mast cells play in lung protection during infections, and of the relation of mast cell responses to type I hypersensitivity-associated pathologies. Furthermore, we discuss the potential role of mast cells during wound healing in the lung and its association with lung cancer, and how mast cells could be exploited as therapeutic targets in some diseases
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Affiliation(s)
- Marcia Campillo-Navarro
- Department of Immunology, National School of Biological Sciences (ENCB), National Polytechnic Institute (IPN), Mexico City, Mexico
| | | | - Isabel Wong-Baeza
- Department of Immunology, National School of Biological Sciences (ENCB), National Polytechnic Institute (IPN), Mexico City, Mexico
| | - Jeanet Serafín-López
- Department of Immunology, National School of Biological Sciences (ENCB), National Polytechnic Institute (IPN), Mexico City, Mexico
| | - Raúl Flores-Mejía
- Department of Immunology, Superior School of Medicine, National Polytechnic Institute (IPN), Mexico City, Mexico
| | - Sergio Estrada-Parra
- Department of Immunology, National School of Biological Sciences (ENCB), National Polytechnic Institute (IPN), Mexico City, Mexico
| | - Iris Estrada-García
- Department of Immunology, National School of Biological Sciences (ENCB), National Polytechnic Institute (IPN), Mexico City, Mexico
| | - Rommel Chacón-Salinas
- Department of Immunology, National School of Biological Sciences (ENCB), National Polytechnic Institute (IPN), Mexico City, Mexico
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26
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Lim SY, Ahn SH, Park H, Lee J, Choi K, Choi C, Choi JH, Park EM, Choi YH. Transcriptional regulation of adrenomedullin by oncostatin M in human astroglioma cells: implications for tumor invasion and migration. Sci Rep 2014; 4:6444. [PMID: 25246098 PMCID: PMC4171698 DOI: 10.1038/srep06444] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Accepted: 08/28/2014] [Indexed: 01/05/2023] Open
Abstract
Adrenomedullin (ADM), a secretory peptide with multiple functions in physiological to pathological conditions, is upregulated in several human cancers, including brain, breast, colon, prostate, and lung cancer. However, the molecular mechanisms underlying the regulation of ADM expression in cancerous cells are not fully understood. Here, we report that oncostatin M (OSM), a cytokine belonging to the interleukin-6 family, induces ADM expression in astroglioma cells through induction of signal transducer and activator of transcription-3 (STAT-3) phosphorylation, nuclear translocation, and subsequent DNA binding to the ADM promoter. STAT-3 knockdown decreased OSM-mediated expression of ADM, indicating that ADM expression is regulated by STAT-3 in astroglioma cells. Lastly, scratch wound healing assay showed that astroglioma cell migration was significantly enhanced by ADM peptides. These data suggest that aberrant activation of STAT-3, which is observed in malignant brain tumors, may function as one of the key regulators for ADM expression and glioma invasion.
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Affiliation(s)
- Seul Ye Lim
- 1] Department of Physiology, Global Top5 Research Program, School of Medicine, Ewha Womans University, Seoul, Korea [2] Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Seoul, Korea
| | - So-Hee Ahn
- 1] Department of Physiology, Global Top5 Research Program, School of Medicine, Ewha Womans University, Seoul, Korea [2] Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Seoul, Korea
| | - Hyunju Park
- 1] Department of Physiology, Global Top5 Research Program, School of Medicine, Ewha Womans University, Seoul, Korea [2] Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Seoul, Korea
| | - Jungsul Lee
- Department of Bio and Brain Engineering, KAIST, Daejeon, Korea
| | - Kyungsun Choi
- Department of Bio and Brain Engineering, KAIST, Daejeon, Korea
| | - Chulhee Choi
- Department of Bio and Brain Engineering, KAIST, Daejeon, Korea
| | - Ji Ha Choi
- 1] Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Seoul, Korea [2] Department of Pharmacology, School of Medicine, Ewha Womans University, Seoul, Korea
| | - Eun-Mi Park
- 1] Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Seoul, Korea [2] Department of Pharmacology, School of Medicine, Ewha Womans University, Seoul, Korea
| | - Youn-Hee Choi
- 1] Department of Physiology, Global Top5 Research Program, School of Medicine, Ewha Womans University, Seoul, Korea [2] Tissue Injury Defense Research Center, School of Medicine, Ewha Womans University, Seoul, Korea
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Stockmann C, Schadendorf D, Klose R, Helfrich I. The impact of the immune system on tumor: angiogenesis and vascular remodeling. Front Oncol 2014; 4:69. [PMID: 24782982 PMCID: PMC3986554 DOI: 10.3389/fonc.2014.00069] [Citation(s) in RCA: 111] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Accepted: 03/20/2014] [Indexed: 12/20/2022] Open
Abstract
Angiogenesis, the formation of new blood vessels, as well as inflammation with massive infiltration of leukocytes are hallmarks of various tumor entities. Various epidemiological, clinical, and experimental studies have not only demonstrated a link between chronic inflammation and cancer onset but also shown that immune cells from the bone marrow such as tumor-infiltrating macrophages significantly influence tumor progression. Tumor angiogenesis is critical for tumor development as tumors have to establish a blood supply in order to progress. Although tumor cells were first believed to fuel tumor angiogenesis, numerous studies have shown that the tumor microenvironment and infiltrating immune cell subsets are important for regulating the process of tumor angiogenesis. These infiltrates involve the adaptive immune system including several types of lymphocytes as well as cells of the innate immunity such as macrophages, neutrophils, eosinophils, mast cells, dendritic cells, and natural killer cells. Besides their known immune function, these cells are now recognized for their crucial role in regulating the formation and the remodeling of blood vessels in the tumor. In this review, we will discuss for each cell type the mechanisms that regulate the vascular phenotype and its impact on tumor growth and metastasis.
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Affiliation(s)
- Christian Stockmann
- UMR 970, Paris Cardiovascular Research Center, Institut National de la Santé et de la Recherche Médicale (INSERM) , Paris , France
| | - Dirk Schadendorf
- Skin Cancer Unit, Dermatology Department, Medical Faculty, University Duisburg-Essen , Essen , Germany
| | - Ralph Klose
- UMR 970, Paris Cardiovascular Research Center, Institut National de la Santé et de la Recherche Médicale (INSERM) , Paris , France
| | - Iris Helfrich
- Skin Cancer Unit, Dermatology Department, Medical Faculty, University Duisburg-Essen , Essen , Germany
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28
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Augustyniak D, Nowak J, Lundy FT. Direct and indirect antimicrobial activities of neuropeptides and their therapeutic potential. Curr Protein Pept Sci 2013; 13:723-38. [PMID: 23305360 PMCID: PMC3601409 DOI: 10.2174/138920312804871139] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Revised: 07/07/2012] [Accepted: 09/15/2012] [Indexed: 02/07/2023]
Abstract
As global resistance to conventional antibiotics rises we need to develop new strategies to develop future novel therapeutics. In our quest to design novel anti-infectives and antimicrobials it is of interest to investigate host-pathogen interactions and learn from the complexity of host defense strategies that have evolved over millennia. A myriad of host defense molecules are now known to play a role in protection against human infection. However, the interaction between host and pathogen is recognized to be a multifaceted one, involving countless host proteins, including several families of peptides. The regulation of infection and inflammation by multiple peptide families may represent an evolutionary failsafe in terms of functional degeneracy and emphasizes the significance of host defense in survival. One such family is the neuropeptides (NPs), which are conventionally defined as peptide neurotransmitters but have recently been shown to be pleiotropic molecules that are integral components of the nervous and immune systems. In this review we address the antimicrobial and anti-infective effects of NPs both in vitro and in vivo and discuss their potential therapeutic usefulness in overcoming infectious diseases. With improved understanding of the efficacy of NPs, these molecules could become an important part of our arsenal of weapons in the treatment of infection and inflammation. It is envisaged that targeted therapy approaches that selectively exploit the anti-infective, antimicrobial and immunomodulatory properties of NPs could become useful adjuncts to our current therapeutic modalities.
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Affiliation(s)
- Daria Augustyniak
- Department of Pathogen Biology and Immunology, Institute of Genetics and Microbiology, Przybyszewskiego 63/77, 51-148 Wroclaw, Poland.
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Liu AG, Zhang XZ, Li FB, Zhao YL, Guo YC, Yang RM. RNA interference targeting adrenomedullin induces apoptosis and reduces the growth of human bladder urothelial cell carcinoma. Med Oncol 2013; 30:616. [PMID: 23715749 DOI: 10.1007/s12032-013-0616-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Accepted: 05/20/2013] [Indexed: 01/18/2023]
Abstract
Adrenomedullin (ADM) is a potent, long-lasting angiogenic peptide that was originally isolated from human pheochromocytoma. ADM signaling is of particular significance in endothelial cell biology because the peptide protects cells from apoptosis, and ADM has been shown to be pro-tumorigenic in that it stimulates tumor cell growth and angiogenesis. ADM may be involved in micro-vessel proliferation and partially in the release of hypoxia in solid tumors, contributing to the proliferation of tumor cells as well as local tumor invasion and metastasis. However, the effect of hypoxia-induced ADM expression in bladder cancer remains unclear. Here, we found that the levels of ADM protein in tumor tissue from patients with bladder urothelial cell carcinoma were significantly increased compared to the adjacent non-tumor bladder tissues (p < 0.01). Under hypoxic conditions, the expression of ADM was significantly elevated in a time-dependent manner in human bladder cancer cell lines. Furthermore, the knockdown of ADM by shRNA in T24 cells showed obvious apoptosis compared to untransfected controls (p < 0.0001). In addition, the combination of cisplatin and ADM-shRNA significantly reduces the tumor growth in vivo compared to treatment with cisplatin (p = 0.0046) or ADM-shRNA alone (p < 0.0001). These data suggest that ADM plays an important role in promoting bladder cancer cell growth under hypoxia and that the inhibition of ADM may provide a target for bladder cancer therapy.
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Affiliation(s)
- Ai-guang Liu
- Department of Interventional Therapy, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
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30
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Martínez-Herrero S, Martínez A. Cancer protection elicited by a single nucleotide polymorphism close to the adrenomedullin gene. J Clin Endocrinol Metab 2013; 98:E807-10. [PMID: 23450059 DOI: 10.1210/jc.2012-4193] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT The risk of developing cancer is regulated by genetic variants, including polymorphisms. Characterizing such variants may help in developing protocols for personalized medicine. OBJECTIVE Adrenomedullin is a regulatory peptide involved in cancer promotion and progression. Carriers of a single nucleotide polymorphism (SNP) in the proximity of the adrenomedullin gene have lower levels of circulating peptide. The aim of the present work was to investigate whether carriers of this SNP (rs4910118) are protected against cancer. DESIGN This was a retrospective study. DNA samples were obtained from the Carlos III DNA National Bank (University of Salamanca, Salamanca, Spain). SETTING Samples represent a variety of donors and patients from Spain. PATIENTS OR OTHER PARTICIPANTS DNA from patients with breast cancer (n = 238), patients with lung cancer (n = 348), patients with cardiac insufficiency (n = 474), and healthy donors of advanced age (n = 500) was used. INTERVENTIONS All samples were genotyped using double-mismatch PCR, and confirmation was achieved by direct sequencing. MAIN OUTCOME MEASURES The minor allele frequency was calculated in all groups. The Pearson χ(2) was used to compare SNP frequencies. RESULTS Of 1560 samples, 14 had the minor allele, with a minor allele frequency in healthy donors of 0.90%. Patients with cancer had a statistically significantly lower frequency than healthy donors (odds ratio = 0.216, 95% confidence interval = 0.048-0.967, P = .028). CONCLUSIONS Carriers of the minor allele have a 4.6-fold lower risk of developing cancer than homozygotes for the major allele. Knowledge of the rs4910118 genotype may be useful for stratifying patients in clinical trials and for designing prevention strategies.
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31
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Dai X, Ma W, He XJ, Jha RK. Elevated expression of adrenomedullin is correlated with prognosis and disease severity in osteosarcoma. Med Oncol 2012; 30:347. [PMID: 23269582 DOI: 10.1007/s12032-012-0347-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2012] [Accepted: 08/23/2012] [Indexed: 11/25/2022]
Abstract
The treatment for osteosarcoma is a formidable challenge. Currently, treatment is not sufficiently effective, and new therapeutic targets are urgently needed. The aim of this study is to determine the expression of adrenomedullin (ADM) in human osteosarcoma tissue and to assess its effect on the proliferation of MG-63 cells and in vivo in an animal model of osteosarcoma. First, we collected clinical specimens from osteosarcoma patients and healthy controls and measured ADM expression by immunohistochemistry, RT-PCR, and radioimmunoassay. We also analyzed clinical data to investigate the relationship between ADM expression, malignancy, and tumor prognosis. Based on these data, we used RNA interference (RNAi) against ADM delivered by lentivirus vector transfected into the osteosarcoma cell line MG-63 to downregulate the expression of ADM. Finally, we observed the effect of ADM on the proliferation of MG-63 cells in vitro, and in vivo, in an animal model of osteosarcoma. We found that ADM was overexpressed in human osteosarcoma tissue, whereas expression was low in the adjacent tissue and little expression was observed in normal tissue. ADM RNAi significantly inhibited the proliferation of MG-63 cells. Therefore, the growth of osteosarcoma could be inhibited by decreasing the expression of ADM. Thus, we conclude that ADM expression is highly correlated with the degree of malignancy and metastasis of osteosarcoma.
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Affiliation(s)
- Xing Dai
- Second Department of Orthopedic Surgery, Second Affiliated Hospital of Medical College, Xi'an Jiaotong University, 157 West Five Road, Xi'an 710004, Shaanxi, China
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Portal-Nuñez S, Shankavaram UT, Rao M, Datrice N, Atay S, Aparicio M, Camphausen KA, Fernández-Salguero PM, Chang H, Lin P, Schrump DS, Garantziotis S, Cuttitta F, Zudaire E. Aryl hydrocarbon receptor-induced adrenomedullin mediates cigarette smoke carcinogenicity in humans and mice. Cancer Res 2012; 72:5790-800. [PMID: 22993405 DOI: 10.1158/0008-5472.can-12-0818] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Cigarette smoking (CS) is a leading cause of death worldwide. The aryl hydrocarbon receptor (AHR) is partially responsible for tobacco-induced carcinogenesis although the underlying mechanisms involving early effector genes have yet to be determined. Here, we report that adrenomedullin (ADM) significantly contributes to the carcinogenicity of tobacco-activated AHR. CS and AHR activating ligands induced ADM in vitro and in vivo but not in AHR-deficient fibroblasts and mice. Ectopic transfection of AHR rescued ADM expression in AHR(-/-) fibroblasts whereas AHR blockage with siRNA in wild type cells significantly decreased ADM expression. AHR regulates ADM expression through two intronic xenobiotic response elements located close to the start codon in the ADM gene. Using tissue microarrays we showed that ADM and AHR were coupregulated in lung tumor biopsies from smoker patients. Microarray meta-analysis of 304 independent microarray experiments showed that ADM is elevated in smokers and smokers with cancer. In addition, ADM coassociated with a subset of AHR responsive genes and efficiently differentiated patients with lung cancer from nonsmokers. In a novel preclinical model of CS-induced tumor progression, host exposure to CS extracts significantly elevated tumor ADM although systemic treatment with the ADM antagonist NSC16311 efficiently blocked tobacco-induced tumor growth. In conclusion, ADM significantly contributes the carcinogenic effect of AHR and tobacco combustion products. We suggest that therapeutics targeting the AHR/ADM axis may be of clinical relevance in the treatment of tobacco-induced pulmonary malignancies.
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Affiliation(s)
- Sergio Portal-Nuñez
- Angiogenesis Core Facility, Radiation Oncology Branch, Radiation Oncology Branch, Surgery Branch, National Cancer Institute, NIH, Bethesda, Maryland 21702-1201, USA
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Halova I, Draberova L, Draber P. Mast cell chemotaxis - chemoattractants and signaling pathways. Front Immunol 2012; 3:119. [PMID: 22654878 PMCID: PMC3360162 DOI: 10.3389/fimmu.2012.00119] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Accepted: 04/24/2012] [Indexed: 01/09/2023] Open
Abstract
Migration of mast cells is essential for their recruitment within target tissues where they play an important role in innate and adaptive immune responses. These processes rely on the ability of mast cells to recognize appropriate chemotactic stimuli and react to them by a chemotactic response. Another level of intercellular communication is attained by production of chemoattractants by activated mast cells, which results in accumulation of mast cells and other hematopoietic cells at the sites of inflammation. Mast cells express numerous surface receptors for various ligands with properties of potent chemoattractants. They include the stem cell factor (SCF) recognized by c-Kit, antigen, which binds to immunoglobulin E (IgE) anchored to the high affinity IgE receptor (FcεRI), highly cytokinergic (HC) IgE recognized by FcεRI, lipid mediator sphingosine-1-phosphate (S1P), which binds to G protein-coupled receptors (GPCRs). Other large groups of chemoattractants are eicosanoids [prostaglandin E2 and D2, leukotriene (LT) B4, LTD4, and LTC4, and others] and chemokines (CC, CXC, C, and CX3C), which also bind to various GPCRs. Further noteworthy chemoattractants are isoforms of transforming growth factor (TGF) β1–3, which are sensitively recognized by TGF-β serine/threonine type I and II β receptors, adenosine, C1q, C3a, and C5a components of the complement, 5-hydroxytryptamine, neuroendocrine peptide catestatin, tumor necrosis factor-α, and others. Here we discuss the major types of chemoattractants recognized by mast cells, their target receptors, as well as signaling pathways they utilize. We also briefly deal with methods used for studies of mast cell chemotaxis and with ways of how these studies profited from the results obtained in other cellular systems.
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Affiliation(s)
- Ivana Halova
- Department of Signal Transduction, Institute of Molecular Genetics, Academy of Sciences of the Czech Republic Prague, Czech Republic
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Larrayoz IM, Ochoa-Callejero L, García-Sanmartín J, Vicario-Abejón C, Martínez A. Role of adrenomedullin in the growth and differentiation of stem and progenitor cells. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2012; 297:175-234. [PMID: 22608560 DOI: 10.1016/b978-0-12-394308-8.00005-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Stem cells have captured the imagination of the general public by their potential as new therapeutic tools in the fight against degenerative diseases. This potential is based on their capability for self-renewal and at the same time for producing progenitor cells that will eventually provide the building blocks for tissue and organ regeneration. These processes are carefully orchestrated in the organism by means of a series of molecular cues. An emerging molecule which is responsible for some of these physiological responses is adrenomedullin, a 52-amino acid regulatory peptide which increases proliferation and regulates cell fate of stem cells of different origins. Adrenomedullin binds to specific membrane receptors in stem cells and induces several intracellular pathways such as those involving cAMP, Akt, or MAPK. Regulation of adrenomedullin levels may help in directing the growth and differentiation of stem cells for applications (e.g., cell therapy) both in vitro and in vivo.
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Affiliation(s)
- Ignacio M Larrayoz
- Oncology Area, Center for Biomedical Research of La Rioja (CIBIR), Logroño, Spain
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35
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Evans JJ, Chitcholtan K, Dann JM, Guilford P, Harris G, Lewis LK, Nagase J, Welkamp AAW, Zwerus R, Sykes PH. Adrenomedullin interacts with VEGF in endometrial cancer and has varied modulation in tumours of different grades. Gynecol Oncol 2011; 125:214-9. [PMID: 22178239 DOI: 10.1016/j.ygyno.2011.12.429] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2011] [Revised: 12/05/2011] [Accepted: 12/06/2011] [Indexed: 10/14/2022]
Abstract
OBJECTIVE Endometrial cancer, in developed countries, is the most common malignancy of the female genital tract. Surgery and radiotherapy are successful in many patients but systemic and recurrent diseases have no consistently effective treatments, and for high grade advanced disease the prognosis is poor. The study investigated characteristics of adrenomedullin in endometrial cancer to assist in identifying targets for developing treatments. METHODS Endometrial samples of women with and without cancer, and the Ishikawa cell line were used to investigate adrenomedullin mRNA regulation, peptide expression, adrenomedullin secretion and effects of adrenomedullin on VEGF secretion. RESULTS Expression of adrenomedullin mRNA was upregulated compared to that in healthy post-menopausal endometria. Adrenomedullin secretion was increased by cobalt chloride in this study. Secretion was reduced by the naturally-occurring compounds, (-)-epigallocatechin gallate (EGCG) and 3,4',5-trihydroxystilbene (resveratrol), which we have previously demonstrated to also suppress VEGF secretion in endometrial tumour tissue. We noted, for the first time, that adrenomedullin enhanced VEGF secretion from tumour cells. CONCLUSIONS Increased adrenomedullin expression may result in amplifying both tumorigenic and angiogenic activities. A substantial impact on growth of tumours may result in vivo as a consequence of the synergism between adrenomedullin and VEGF. Adrenomedullin, which has altered cellular characteristics in tumour compared to healthy tissue, offers an understudied target with potential to modify endometrial cancer behaviour, complementing other treatments.
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Affiliation(s)
- J J Evans
- Department of Obstetrics and Gynaecology, University of Otago, Christchurch, Christchurch, New Zealand.
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Karpinich NO, Hoopes SL, Kechele DO, Lenhart PM, Caron KM. Adrenomedullin Function in Vascular Endothelial Cells: Insights from Genetic Mouse Models. Curr Hypertens Rev 2011; 7:228-239. [PMID: 22582036 PMCID: PMC3349984 DOI: 10.2174/157340211799304761] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Revised: 08/18/2011] [Accepted: 08/21/2011] [Indexed: 01/29/2023]
Abstract
Adrenomedullin is a highly conserved peptide implicated in a variety of physiological processes ranging from pregnancy and embryonic development to tumor progression. This review highlights past and present studies that have contributed to our current appreciation of the important roles adrenomedullin plays in both normal and disease conditions. We provide a particular emphasis on the functions of adrenomedullin in vascular endothelial cells and how experimental approaches in genetic mouse models have helped to drive the field forward.
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Affiliation(s)
- Natalie O Karpinich
- Department of Cell and Molecular Physiology, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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Mangia A, Malfettone A, Rossi R, Paradiso A, Ranieri G, Simone G, Resta L. Tissue remodelling in breast cancer: human mast cell tryptase as an initiator of myofibroblast differentiation. Histopathology 2011; 58:1096-106. [PMID: 21707711 DOI: 10.1111/j.1365-2559.2011.03842.x] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
AIMS Cancerogenesis is characterized by increase of differentiated myofibroblasts. Mast cells (MCs) exert powerful effects on fibroblasts through a variety of mediators. We investigated α-smooth-muscle actin (α-SMA(+) ) and CD34(+) fibroblasts, density of toluidine blue-stained (MCs-TB) and tryptase-immunolabelled MCs (MCs-Try) in 30 primary breast tumours. METHODS AND RESULTS Tumour (T), peri-tumoral (PT) and non-tumoral (NT) tissue was studied by immunohistochemistry and electron microscopy. MCs-TB and MCs-Try increased gradually from NT to PT and T and the comparison between the three compartments varied significantly. Degranulated MCs were present more significantly in NT and adjacent PT than T. Transition between NT, PT and T was marked by increasing α-SMA(+) fibroblasts and slow disappearance of CD34(+) stromal cells. In NT, CD34(+) fibroblasts correlated with low density both of MCs-TB and intact MCs-Try (P=0.0346 and P=0.0409, respectively). In T, the few preserved CD34(+) fibroblasts were associated with low-density degranulated MCs-Try (P=0.0173). The α-SMA(+) fibroblasts correlated with high density of intact MCs-Try in PT, and with high density of degranulated MCs-Try in T (P=0.0289), also confirmed by ultrastructural analysis. CONCLUSIONS This preliminary investigation suggests that during breast cancer progression the MCs may contribute to stromal remodelling and differentiation of myofibroblasts, through tryptase released in stromal microenvironment.
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Affiliation(s)
- Anita Mangia
- Clinical Experimental Oncology Laboratory, National Cancer Centre Giovanni Paolo II, University of Bari, Bari, Italy.
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Mast cells in lung inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2011; 716:235-69. [PMID: 21713660 DOI: 10.1007/978-1-4419-9533-9_13] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Mast cells play an important role in the lung in both health and disease. Their primary role is to initiate an appropriate program of inflammation and repair in response to tissue damage initiated by a variety of diverse stimuli. They are important for host immunity against bacterial infection and potentially in the host immune response to non small cell lung cancer. In situations of ongoing tissue damage, the sustained release of numerous pro-inflammatory mediators, proteases and cytokines, contributes to the pathophysiology of lung diseases such as asthma and interstitial lung disease. A key goal is the development of treatments which attenuate adverse mast cell function when administered chronically to humans in vivo. Such therapies may offer a novel approach to the treatment of many life-threatening diseases.
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Stoyanov E, Uddin M, Mankuta D, Dubinett SM, Levi-Schaffer F. Mast cells and histamine enhance the proliferation of non-small cell lung cancer cells. Lung Cancer 2011; 75:38-44. [PMID: 21733595 DOI: 10.1016/j.lungcan.2011.05.029] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2011] [Revised: 05/16/2011] [Accepted: 05/23/2011] [Indexed: 12/17/2022]
Abstract
Non-small cell lung cancer (NSCLC) is the most common form of lung cancer with an extremely low survival rate. It is characterized by a chronic inflammatory process with intense mast cell infiltrate that is associated with reduced survival. The aim of this study was to test the hypothesis that mast cells have an enhancing effect on NSCLC proliferation. To assess the tumor-promoting potential of mast cells, we used the human alveolar basal adenocarcinoma (A549) and the mouse Lewis lung carcinoma (LLC) cell lines, umbilical cord blood-derived mast cells (CBMC) and the mast cell-deficient mouse Sash model. The proliferation rate of A549/LLC cells was markedly increased by mast cells and histamine. Histamine proliferating activity was mediated via H(1), H(2) and H(4) receptors and caused ERK phosphorylation. LLC induced in Sash mice or in wild-type mice treated with the mast cell stabilizer nedocromil sodium displayed an accelerated growth (number of metastic colonies in the lungs, total lung area and lung/total mice weight ratio). In summary, we have shown a significant effect of mast cells and histamine in enhancing NSCLC/LLCX growth in vitro, while in a mouse LLC model in vivo we have found that mast cells are important negative regulators of cancer development. Therefore our results would indicate a pro-tumorogenic effect of the mast cells in vitro on established lung tumor cell lines, and anti-tumorogenic effect in mice at lung cancer induction. In conclusion, mast cell/anti-histamine targeted therapies should carefully consider this dual effect.
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Affiliation(s)
- Evgeniy Stoyanov
- Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem 91120, Israel
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Napoli C, Giordano A, Casamassimi A, Pentimalli F, Ignarro LJ, De Nigris F. Directed in vivo angiogenesis assay and the study of systemic neoangiogenesis in cancer. Int J Cancer 2011; 128:1505-8. [PMID: 21280032 DOI: 10.1002/ijc.25743] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2010] [Accepted: 10/04/2010] [Indexed: 11/10/2022]
Abstract
Targeting neoangiogenesis is a well-established anticancer strategy, however, one of the major problems in angiogenesis research, both at the basic and applied levels, remains the development of suitable in vivo methods for assessing and quantifying the systemic angiogenic response. Therefore, there is an urgent need to adopt technically simple and reproducible methodologies which allow to easily quantify neoangiogenesis independently of morphological parameters. Recently, a reproducible and quantitative method was developed, the directed in vivo angiogenesis assay (DIVAA) consisting of the subcutaneous implantation of surgical grade silicone cylinders closed at one end, called angioreactors, into the dorsal flanks of nude mice. In the past few years, DIVAA has been successfully used in evaluating the inhibition and or enhancement of systemic perturbation of angiogenesis by several molecules. Thus, DIVAA studies systemic angiogenesis and its therapeutic modulation associated to cancer progression and metastasis.
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Affiliation(s)
- Claudio Napoli
- Department of General Pathology, 1st School of Medicine, II University of Naples, Naples, Italy.
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41
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Fujikura T, Okubo K. Adrenomedullin level in the nasal discharge from allergic rhinitis cohort. Peptides 2011; 32:368-73. [PMID: 21050876 DOI: 10.1016/j.peptides.2010.10.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2010] [Revised: 10/23/2010] [Accepted: 10/25/2010] [Indexed: 12/01/2022]
Abstract
Adrenomedullin (AM) is a potent hypotensive and vasodilatory peptide. AM may exert protective actions against the development of many diseases by modulating the blood circulation and body fluid balance. In addition to these functions, it has recently been reported to play important roles in the development of allergy and infections. The purpose of the present study was to demonstrate the existence of AM in the human nasal mucosa and to discuss whether AM might contribute to the pathogenesis of nasal congestion. We measured the total AM concentrations in the nasal discharge. The total AM concentration in the nasal discharge was significantly higher in the non-allergy group (72.1 ± 55.5 fmol/ml) than in the allergy group (37.1 ± 44.2 fmol/ml). By immunohistochemical examination, we identified AM-containing cells in the nasal mucosa from both subjects with and without nasal allergy, and also in nasal polyps. Moreover, those cells were positive for anti-tryptase antibody which recognizes mast cells. In nasal allergy, vasodilatation and increase in vascular permeability are characteristic features of the immediate phase response. Reduced AM levels in the nasal discharge may be associated with attenuation of both of these factors. On the other hand, immunohistochemical analysis demonstrated AM-immunoreactive cells in the chronic phase of rhinosinusitis. In the late and inflammatory phase, mast cells produce AM, which possibly acts as an inhibitor of inflammatory cell migration. In conclusion, AM may be actively secreted into the nasal discharge. AM in the nasal discharge may have protective and anti-inflammatory effects in the nasal mucosa.
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Affiliation(s)
- Terumichi Fujikura
- Department of Otorhinolaryngology, Nippon Medical School, Sendagi Bunkyo-ku, Tokyo, Japan.
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Ribatti D, Crivellato E. Mast cells, angiogenesis, and tumour growth. Biochim Biophys Acta Mol Basis Dis 2010; 1822:2-8. [PMID: 21130163 DOI: 10.1016/j.bbadis.2010.11.010] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2010] [Revised: 10/08/2010] [Accepted: 11/24/2010] [Indexed: 02/07/2023]
Abstract
Accumulation of mast cells (MCs) in tumours was described by Ehrlich in his doctoral thesis. Since this early account, ample evidence has been provided highlighting participation of MCs to the inflammatory reaction that occurs in many clinical and experimental tumour settings. MCs are bone marrow-derived tissue-homing leukocytes that are endowed with a panoply of releasable mediators and surface receptors. These cells actively take part to innate and acquired immune reactions as well as to a series of fundamental functions such as angiogenesis, tissue repair, and tissue remodelling. The involvement of MCs in tumour development is debated. Although some evidence suggests that MCs can promote tumourigenesis and tumour progression, there are some clinical sets as well as experimental tumour models in which MCs seem to have functions that favour the host. One of the major issues linking MCs to cancer is the ability of these cells to release potent pro-angiogenic factors. This review will focus on the most recent acquisitions about this intriguing field of research. This article is part of a Special Issue entitled: Mast cells in inflammation.
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Affiliation(s)
- Domenico Ribatti
- Department of Human Anatomy and Histology, University of Bari Medical School, 70124 Bari, Italy.
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Tumor-intrinsic and -extrinsic roles of c-Kit: mast cells as the primary off-target of tyrosine kinase inhibitors. Oncogene 2010; 30:757-69. [DOI: 10.1038/onc.2010.494] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Deville JL, Salas S, Figarella-Branger D, Ouafik L, Daniel L. Adrenomedullin as a therapeutic target in angiogenesis. Expert Opin Ther Targets 2010; 14:1059-72. [DOI: 10.1517/14728222.2010.522328] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Fang C, Miguel MA, Avis I, Martinez A, Zudaire E, Cuttitta F. Non-peptide small molecule regulators of lymphangiogenesis. Lymphat Res Biol 2010; 7:189-96. [PMID: 20143917 DOI: 10.1089/lrb.2009.0033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Adrenomedullin (AM) and gastrin releasing peptide (GRP) are neuroendocrine peptides that have been previously implicated as regulators of angiogenesis and lymphangiogenesis. Using an immortalized human dermal microvascular lymphatic endothelial cell line stably transfected with red fluorescent protein (LEC/RFP), we demonstrate the ability of AM and GRP to augment tube formation complexity of this target cell in a dose-dependent manner. Maximum tube density was initiated at 1 nM for both peptides, and as concentrations exceeded 10 nM a decrease in tube formation was noted, hence following a classic rise/fall biological response curve. In addition, we show that appropriate small molecule mimetics to neutralizing monoclonal antibodies of AM or GRP, at 1 microM concentration, can function to either inhibit (antagonist) or enhance (super agonist) peptide-induced tube formation of LEC/RFP. Our small molecule reagents by themselves have no activity, but in the presence of their respective peptides can mediate a positive or negative response, hence the super agonist designation. These compounds represent new regulatory drugs of the lymphatic system with possible patient application in the clinical management of edema and metastatic disease.
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Affiliation(s)
- Changge Fang
- NCI Angiogenesis Core Facility, National Cancer Institute, Center for Cancer Research, Radiation Oncology Branch, Advanced Technology Center, Bethesda, Maryland 20892-4605, USA
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Lack of adrenomedullin affects growth and differentiation of adult neural stem/progenitor cells. Cell Tissue Res 2010; 340:1-11. [PMID: 20182890 DOI: 10.1007/s00441-010-0934-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2009] [Accepted: 01/20/2010] [Indexed: 10/19/2022]
Abstract
Adrenomedullin (AM) is a peptide hormone involved in the modulation of cellular growth, migration, apoptosis, and angiogenesis. These characteristics suggest that AM is involved in the control of neural stem/progenitor cell (NSPC) biology. To explore this hypothesis, we have obtained NSPC from the olfactory bulb of adult wild-type animals and brain conditional knockouts for adm, the gene that produces AM. Knockout NSPC contain higher levels of hyperpolymerized tubulin and more abundant filopodia than adm-containing cells, resulting in a different morphology in culture, whereas the size of the knockout neurospheres is smaller than that of the wild-types. Proliferation studies have demonstrated that adm-null NSPC incorporate less 5'-bromodeoxyuridine (BrdU) than their wild-type counterparts. In contrast, BrdU studies in the olfactory bulb of adult animals show more labeled cells in adm-null mice that in wild-types, suggesting that a compensatory mechanism exists that guarantees the sufficient production of neural cells in this organ. In NSPC differentiation tests, lack of adm results in significantly lower proportions of neurons and astrocytes and higher proportions of oligodendrocytes. The oligodendrocytes produced from adm-null neurospheres present an immature phenotype with fewer and shorter processes than adm-containing oligodendrocytes. Thus, AM is an important factor in regulating the proliferation and differentiation of adult NSPC and might be used to modulate stem cell renewal and fate in protocols destined to produce neural cells for regenerative therapies.
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Deville JL, Bartoli C, Berenguer C, Fernandez-Sauze S, Kaafarani I, Delfino C, Fina F, Salas S, Muracciole X, Mancini J, Lechevallier E, Martin PM, Figarella-Branger D, Ouafik L, Daniel L. Expression and role of adrenomedullin in renal tumors and value of its mRNA levels as prognostic factor in clear-cell renal carcinoma. Int J Cancer 2009; 125:2307-15. [PMID: 19610056 DOI: 10.1002/ijc.24568] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Antiangiogenic therapies are used for advanced clear-cell renal carcinomas (cRCC), but without curative possibilities, underlining the need for new therapeutic targets. Adrenomedullin (AM), a multifunctional peptide, is highly expressed in several tumors and plays an important role in angiogenesis and tumor growth through its receptors: calcitonin receptor-like receptor/receptor activity-modifying protein 2 and 3 (CLR/RAMP2 and CLR/RAMP3). In this study, real-time quantitative reverse-transcription-PCR showed AM mRNA levels were higher in cRCC and in chromophobe renal carcinomas (chRCC) than in normal renal tissue. Interestingly, AM mRNA expression in cRCC correlated strongly with VEGF-A mRNA expression. Immunohistochemically, AM, CLR and RAMP2 were localized in the carcinomatous epithelial compartment of cRCC. Interestingly, RAMP3 immunostaining was found only in the inflammatory cells that infiltrated tumors, suggesting a cross talk between tumor cells and the microenvironment. We also observed that cRCC cells BIZ and 786-O expressed and secreted AM into the culture medium. In vitro, exogenous AM treatment stimulated cell proliferation, migration and invasion, indicating the cell can respond to AM. The action of AM was specific and was mediated by the CLR/RAMP2 and CLR/RAMP3 receptors. Clinical data showed the prognostic value of AM. High AM mRNA levels were associated with an increased risk of relapse after curative nephrectomy for cRCC. These findings highlight the implication of the AM pathway in the metastatic process and the prognostic relevance of AM in cRCC and point to a potential new therapeutic target.
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Walsh SK, Kane KA, Wainwright CL. Mast cells, peptides and cardioprotection - an unlikely marriage? ACTA ACUST UNITED AC 2009; 29:73-84. [PMID: 19566747 DOI: 10.1111/j.1474-8673.2009.00436.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
1 Mast cells have classically been regarded as the 'bad guys' in the setting of acute myocardial ischaemia, where their released contents are believed to contribute both to tissue injury and electrical disturbances resulting from ischaemia. Recent evidence suggests, however, that if mast cell degranulation occurs in advance of ischaemia onset, this may be cardioprotective by virtue of the depletion of mast cell contents that can no longer act as instruments of injury when the tissue becomes ischaemic. 2 Many peptides, such as ET-1, adrenomedullin, relaxin and atrial natriuretic peptide, have been demonstrated to be cardioprotective when given prior to the onset of myocardial ischaemia, although their physiological functions are varied and the mechanisms of their cardioprotective actions appear to be diverse and often ill defined. However, one common denominator that is emerging is the ability of these peptides to modulate mast cell degranulation, raising the possibility that peptide-induced mast cell degranulation or stabilization may hold the key to a common mechanism of their cardioprotection. 3 The aim of this review was to consolidate the evidence implying that mast cell degranulation could play both a detrimental and protective role in myocardial ischaemia, depending upon when it occurs, and that this may underlie the cardioprotective effects of a range of diverse peptides that exerts physiological effects within the cardiovascular system.
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Affiliation(s)
- S K Walsh
- Anu Research Centre, Department of Obstetrics & Gynaecology, University College Cork, Cork University Maternity Hospital, Cork, Ireland
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Kaafarani I, Fernandez-Sauze S, Berenguer C, Chinot O, Delfino C, Dussert C, Metellus P, Boudouresque F, Mabrouk K, Grisoli F, Figarella-Branger D, Martin PM, Ouafik L. Targeting adrenomedullin receptors with systemic delivery of neutralizing antibodies inhibits tumor angiogenesis and suppresses growth of human tumor xenografts in mice. FASEB J 2009; 23:3424-35. [PMID: 19546305 DOI: 10.1096/fj.08-127852] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Adrenomedullin (AM) is a multifunctional peptide vasodilator that transduces its effects through calcitonin receptor-like receptor/receptor activity modifying protein-2 and -3 (CLR/RAMP2 and CLR/RAMP3). Previously, we reported on the development of an anti-AM antibody that potently inhibits tumor cell proliferation in vitro and tumor growth in vivo. Here, we report the effect of anti-AM receptor antibodies (alphaAMRs) on angiogenesis and tumor growth. We demonstrate that alphaAMRs decrease in a dose-dependent manner the growth of U87 glioblastoma cells and HT-29 colorectal cancer cells, but not A549 lung cancer cells, in vitro. In vivo, AM in Matrigel plugs induces angiogenesis by promoting recruitment of endothelial cells, pericytes, myeloid precursor cells, and macrophages and by promoting channel formation. Remarkably, systemic administration of alphaAMRs every 3 d markedly reduced neovascularization of Matrigel plugs in a dose-dependent fashion, as demonstrated by reduced numbers of the recruited cells and vessel structures. Several human tumor xenografts in athymic mice were used to examine the effect of alphaAMR treatment on tumor angiogenesis and growth. AlphaAMR treatment significantly suppressed the growth of glioblastoma, lung, and colon tumors. Histological examination of alphaAMR-treated tumors showed evidence of disruption of tumor vascularity with decreased microvessel density, depletion of endothelial and pericyte cells, and increased tumor cell apoptosis. These findings support the conclusion that alphaAMR treatment inhibits tumor growth by suppression of angiogenesis and tumor growth and suggest that AMRs may be useful therapeutic targets.
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Affiliation(s)
- Itidal Kaafarani
- INSERM, UMR 911-CRO2, Faculté de Médecine Nord, Bd Pierre Dramard, 13916 Marseille Cedex 20, France
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Theoharides TC, Rozniecki JJ, Sahagian G, Jocobson S, Kempuraj D, Conti P, Kalogeromitros D. Impact of stress and mast cells on brain metastases. J Neuroimmunol 2008; 205:1-7. [DOI: 10.1016/j.jneuroim.2008.09.014] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2008] [Revised: 09/12/2008] [Accepted: 09/15/2008] [Indexed: 01/20/2023]
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