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Xia R, Shi S, Xu Z, Vischer HF, Windhorst AD, Qian Y, Duan Y, Liang J, Chen K, Zhang A, Guo C, Leurs R, He Y. Structural basis of ligand recognition and design of antihistamines targeting histamine H 4 receptor. Nat Commun 2024; 15:2493. [PMID: 38509098 PMCID: PMC10954740 DOI: 10.1038/s41467-024-46840-5] [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: 09/18/2023] [Accepted: 03/12/2024] [Indexed: 03/22/2024] Open
Abstract
The histamine H4 receptor (H4R) plays key role in immune cell function and is a highly valued target for treating allergic and inflammatory diseases. However, structural information of H4R remains elusive. Here, we report four cryo-EM structures of H4R/Gi complexes, with either histamine or synthetic agonists clobenpropit, VUF6884 and clozapine bound. Combined with mutagenesis, ligand binding and functional assays, the structural data reveal a distinct ligand binding mode where D943.32 and a π-π network determine the orientation of the positively charged group of ligands, while E1825.46, located at the opposite end of the ligand binding pocket, plays a key role in regulating receptor activity. The structural insight into H4R ligand binding allows us to identify mutants at E1825.46 for which the agonist clobenpropit acts as an inverse agonist and to correctly predict inverse agonism of a closely related analog with nanomolar potency. Together with the findings regarding receptor activation and Gi engagement, we establish a framework for understanding H4R signaling and provide a rational basis for designing novel antihistamines targeting H4R.
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Affiliation(s)
- Ruixue Xia
- Laboratory of Receptor Structure and Signaling, HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Shuang Shi
- Department of Medicinal Chemistry, Amsterdam Institute for Molecular Life Sciences, Faculty of Science, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HV, Amsterdam, The Netherlands
| | - Zhenmei Xu
- Laboratory of Receptor Structure and Signaling, HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Henry F Vischer
- Department of Medicinal Chemistry, Amsterdam Institute for Molecular Life Sciences, Faculty of Science, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HV, Amsterdam, The Netherlands
| | - Albert D Windhorst
- Department of Radiology and Nuclear Medicine, VU University Medical Center Amsterdam, Amsterdam, The Netherlands
| | - Yu Qian
- Laboratory of Receptor Structure and Signaling, HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Yaning Duan
- Laboratory of Receptor Structure and Signaling, HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Jiale Liang
- Laboratory of Receptor Structure and Signaling, HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Kai Chen
- Laboratory of Receptor Structure and Signaling, HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Anqi Zhang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Changyou Guo
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Rob Leurs
- Department of Medicinal Chemistry, Amsterdam Institute for Molecular Life Sciences, Faculty of Science, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HV, Amsterdam, The Netherlands.
| | - Yuanzheng He
- Laboratory of Receptor Structure and Signaling, HIT Center for Life Sciences, School of Life Science and Technology, Harbin Institute of Technology, Harbin, China.
- Frontiers Science Center for Matter Behave in Space Environment, Harbin Institute of Technology, Harbin, China.
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Alsaad AMS, Ansari MA, Nadeem A, Attia SM, Bakheet SA, Alomar HA, Ahmad SF. Histamine H4 Receptor Agonist, 4-Methylhistamine, Aggravates Disease Progression and Promotes Pro-Inflammatory Signaling in B Cells in an Experimental Autoimmune Encephalomyelitis Mouse Model. Int J Mol Sci 2023; 24:12991. [PMID: 37629172 PMCID: PMC10455358 DOI: 10.3390/ijms241612991] [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: 07/13/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 08/27/2023] Open
Abstract
We sought to assess the impact of 4-Methylhistamine (4-MeH), a specific agonist targeting the Histamine H4 Receptor (H4R), on the progression of experimental autoimmune encephalomyelitis (EAE) and gain insight into the underlying mechanism. EAE is a chronic autoimmune, inflammatory, and neurodegenerative disease of the central nervous system (CNS) characterized by demyelination, axonal damage, and neurodegeneration. Over the past decade, pharmacological research into the H4R has gained significance in immune and inflammatory disorders. For this study, Swiss Jim Lambert EAE mice were treated with 4-MeH (30 mg/kg/day) via intraperitoneal administration from days 14 to 42, and the control group was treated with a vehicle. Subsequently, we evaluated the clinical scores. In addition, flow cytometry was employed to estimate the impact of 4-Methylhistamine (4-MeH) on NF-κB p65, GM-CSF, MCP-1, IL-6, and TNF-α within CD19+ and CXCR5+ spleen B cells. Additionally, we investigated the effect of 4-MeH on the mRNA expression levels of Nf-κB p65, Gmcsf, Mcp1, Il6, and Tnfα in the brain of mice using RT-PCR. Notably, the clinical scores of EAE mice treated with 4-MeH showed a significant increase compared with those treated with the vehicle. The percentage of cells expressing CD19+NF-κB p65+, CXCR5+NF-κB p65+, CD19+GM-CSF+, CXCR5+GM-CSF+, CD19+MCP-1+, CXCR5+MCP-1+, CD19+IL-6+, CXCR5+IL-6+, CD19+TNF-α+, and CXCR5+TNF-α+ exhibited was more pronounced in 4-MeH-treated EAE mice when compared to vehicle-treated EAE mice. Moreover, the administration of 4-MeH led to increased expression of NfκB p65, Gmcsf, Mcp1, Il6, and Tnfα mRNA in the brains of EAE mice. This means that the H4R agonist promotes pro-inflammatory mediators aggravating EAE symptoms. Our results indicate the harmful role of H4R agonists in the pathogenesis of MS in an EAE mouse model.
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Affiliation(s)
| | | | | | | | | | | | - Sheikh F. Ahmad
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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Yeni Y, Cakir Z, Hacimuftuoglu A, Taghizadehghalehjoughi A, Okkay U, Genc S, Yildirim S, Saglam YS, Calina D, Tsatsakis A, Docea AO. A Selective Histamine H4 Receptor Antagonist, JNJ7777120, Role on Glutamate Transporter Activity in Chronic Depression. J Pers Med 2022; 12:jpm12020246. [PMID: 35207733 PMCID: PMC8880293 DOI: 10.3390/jpm12020246] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/29/2022] [Accepted: 02/03/2022] [Indexed: 01/27/2023] Open
Abstract
Glutamate release and reuptake play a key role in the pathophysiology of depression. glutamatergic nerves in the hippocampus region are modulated by histaminergic afferents. Excessive accumulation of glutamate in the synaptic area causes degeneration of neuron cells. The H4 receptor is defined as the main immune system histamine receptor with a pro-inflammatory role. To understand the role of this receptor, the drug JNJ7777120 was used to reveal the chronic depression-glutamate relationship. We have important findings showing that the H4 antagonist increases the glutamate transporters’ instantaneous activity. In our experiment, it has been shown that blocking the H4 receptor leads to increased neuron cell viability and improvement in behavioral ability due to glutamate. Therefore, JNJ can be used to prevent neurotoxicity, inhibit membrane phospholipase activation and free radical formation, and minimize membrane disruption. In line with our findings, results have been obtained that indicate that JNJ will contribute to the effective prevention and treatment of depression.
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Affiliation(s)
- Yesim Yeni
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
| | - Zeynep Cakir
- Department of Emergency Medicine, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Ahmet Hacimuftuoglu
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Ali Taghizadehghalehjoughi
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Ataturk University, Erzurum 25240, Turkey
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Ufuk Okkay
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
| | - Sidika Genc
- Department of Medical Pharmacology, Faculty of Medicine, Ataturk University, Erzurum 25240, Turkey; (Y.Y.); (U.O.); (S.G.)
| | - Serkan Yildirim
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum 25240, Turkey; (S.Y.); (Y.S.S.)
| | - Yavuz Selim Saglam
- Department of Pathology, Faculty of Veterinary Medicine, Ataturk University, Erzurum 25240, Turkey; (S.Y.); (Y.S.S.)
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Aristidis Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, University of Crete, 71003 Heraklion, Greece
- Department of Analytical and Forensic Medical Toxicology, Sechenov University, 119991 Moscow, Russia
- Correspondence: (Z.C.); (A.H.); (A.T.); (D.C.); (A.T.)
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania;
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Clauzure M, Táquez Delgado MA, Phillip JM, Revuelta MV, Cerchietti L, Medina VA. Histamine H4 Receptor Agonism Induces Antitumor Effects in Human T-Cell Lymphoma. Int J Mol Sci 2022; 23:ijms23031378. [PMID: 35163302 PMCID: PMC8836034 DOI: 10.3390/ijms23031378] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/09/2021] [Accepted: 01/16/2022] [Indexed: 02/01/2023] Open
Abstract
The discovery of the human histamine H4 receptor (H4R) has contributed to our understanding of the role of histamine in numerous physiological and pathological conditions, including tumor development and progression. The lymph nodes of patients with malignant lymphomas have shown to contain high levels of histamine, however, less is known regarding the expression and function of the H4R in T-cell lymphoma (TCL). In this work we demonstrate the expression of H4R isoforms (mRNA and protein) in three human aggressive TCL (OCI-Ly12, Karpas 299, and HuT78). Histamine and specific H4R agonists (VUF8430 and JNJ28610244) significantly reduced cell viability in a dose-dependent manner (p < 0.05). The combined treatment with the H4R antagonist (JNJ7777120, 10 µM) reversed the effects of the H4R ligands. Importantly, we screened a drug repurposing library of 433 FDA-approved compounds (1 μM) in combination with histamine (10 μM) in Hut78 cells. Histamine produced a favorable antitumor effect with 18 of these compounds, including the histone deacetylase inhibitor panobinostat. Apoptosis, proliferation, and oxidative stress studies confirmed the antitumoral effects of the combination. We conclude that the H4R is expressed in TCL, and it is involved in histamine-mediated responses.
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Affiliation(s)
- Mariángeles Clauzure
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), National Scientific and Technical Research Council (CONICET), Buenos Aires 1107, Argentina; (M.C.); (M.A.T.D.)
- Faculty of Veterinary Science, National University of La Pampa (UNLPam), General Pico 6360, Argentina
| | - Mónica A. Táquez Delgado
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), National Scientific and Technical Research Council (CONICET), Buenos Aires 1107, Argentina; (M.C.); (M.A.T.D.)
| | - Jude M. Phillip
- Hematology and Oncology Division, Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA; (J.M.P.); (M.V.R.); (L.C.)
| | - Maria V. Revuelta
- Hematology and Oncology Division, Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA; (J.M.P.); (M.V.R.); (L.C.)
| | - Leandro Cerchietti
- Hematology and Oncology Division, Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA; (J.M.P.); (M.V.R.); (L.C.)
| | - Vanina A. Medina
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), National Scientific and Technical Research Council (CONICET), Buenos Aires 1107, Argentina; (M.C.); (M.A.T.D.)
- Correspondence: ; Tel.: +54-11-4349-0200 (ext. 6091)
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Sarasola MDLP, Táquez Delgado MA, Nicoud MB, Medina VA. Histamine in cancer immunology and immunotherapy. Current status and new perspectives. Pharmacol Res Perspect 2021; 9:e00778. [PMID: 34609067 PMCID: PMC8491460 DOI: 10.1002/prp2.778] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 03/25/2021] [Indexed: 12/11/2022] Open
Abstract
Cancer is the second leading cause of death globally and its incidence and mortality are rapidly increasing worldwide. The dynamic interaction of immune cells and tumor cells determines the clinical outcome of cancer. Immunotherapy comes to the forefront of cancer treatments, resulting in impressive and durable responses but only in a fraction of patients. Thus, understanding the characteristics and profiles of immune cells in the tumor microenvironment (TME) is a necessary step to move forward in the design of new immunomodulatory strategies that can boost the immune system to fight cancer. Histamine produces a complex and fine-tuned regulation of the phenotype and functions of the different immune cells, participating in multiple regulatory responses of the innate and adaptive immunity. Considering the important actions of histamine-producing immune cells in the TME, in this review we first address the most important immunomodulatory roles of histamine and histamine receptors in the context of cancer development and progression. In addition, this review highlights the current progress and foundational developments in the field of cancer immunotherapy in combination with histamine and pharmacological compounds targeting histamine receptors.
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Affiliation(s)
- María de la Paz Sarasola
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical SciencesPontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
| | - Mónica A. Táquez Delgado
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical SciencesPontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
| | - Melisa B. Nicoud
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical SciencesPontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
| | - Vanina A. Medina
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical SciencesPontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
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Effects of histamine and various histamine receptor antagonists on gene expression profiles of macrophages during compressive strain. J Orofac Orthop 2021; 83:13-23. [PMID: 34228141 PMCID: PMC9569297 DOI: 10.1007/s00056-021-00318-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 05/01/2021] [Indexed: 11/14/2022]
Abstract
Purpose Tissue hormone histamine can accumulate locally within the periodontal ligament via nutrition or may be released during allergic reactions by mast cells, which may have an impact on orthodontic tooth movement. In addition to periodontal ligament fibroblasts, cells of the immune system such as macrophages are exposed to compressive strain. The aim of this study was thus to investigate the impact of histamine on the gene expression profile of macrophages in the context of simulated orthodontic compressive strain. Methods Macrophages were incubated with different histamine concentrations (50, 100, 200 µM) for 24 h and then either left untreated or compressed for another 4 h. To assess the role of different histamine receptors, we performed experiments with antagonists for histamine 1 receptor (cetirizine), histamine 2 receptor (ranitidine) and histamine 4 receptor (JNJ7777120) under control and pressure conditions. We tested for lactate dehydrogenase release and analyzed the expression of genes involved in inflammation and bone remodeling by reverse transcription quantitative polymerase chain reaction (RT-qPCR). Results Histamine elevated gene expression of tumor necrosis factor under control conditions and in combination with pressure application. Increased prostaglandin-endoperoxide synthase‑2 mRNA was observed when histamine was combined with compressive force. Interleukin‑6 gene expression was not affected by histamine treatment. In macrophages, compressive strain increased osteoprotegerin gene expression. Histamine further elevated this effect. Most of the observed histamine effects were blocked by the histamine 1 receptor antagonist cetirizine. Conclusions Histamine has an impact on the gene expression profile of macrophages during compressive strain in vitro, most likely having an impairing effect on orthodontic tooth movement by upregulation of osteoprotegerin expression.
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Histamine H3 Receptor Activation Modulates Glutamate Release in the Corticostriatal Synapse by Acting at CaV2.1 (P/Q-Type) Calcium Channels and GIRK (KIR3) Potassium Channels. Cell Mol Neurobiol 2020; 42:817-828. [DOI: 10.1007/s10571-020-00980-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 10/06/2020] [Indexed: 01/24/2023]
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Grosicki M, Adami M, Micheloni C, Głuch-Lutwin M, Siwek A, Latacz G, Łażewska D, Więcek M, Reiner-Link D, Stark H, Chlopicki S, Kieć-Kononowicz K. Eosinophils adhesion assay as a tool for phenotypic drug screening - The pharmacology of 1,3,5 - Triazine and 1H-indole like derivatives against the human histamine H 4 receptor. Eur J Pharmacol 2020; 890:173611. [PMID: 33017589 DOI: 10.1016/j.ejphar.2020.173611] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/22/2020] [Accepted: 09/28/2020] [Indexed: 11/18/2022]
Abstract
Histamine is a pleiotropic biogenic amine, having affinity towards four distinct histamine receptors. The existing pharmacological studies suggest the usefulness of histamine H4 receptor ligands in the treatment of many inflammatory and immunomodulatory diseases, including allergic rhinitis, asthma, atopic dermatitis, colitis or pruritus. Up to date, several potent histamine H4 receptor ligands were developed, none of which was registered as a drug yet. In this study, a series of potent indole-like and triazine derivatives were tested, in radioligand displacement and functional assays at histamine H4 receptor, as well as in human eosinophils adhesion assay to endothelium. For selected compounds permeability, cytotoxicity, metabolic and in vivo studies were conducted. Adhesion assay differentiated the activity of different groups of compounds with a known affinity towards the histamine H4 receptor. Most of the tested compounds downregulated the number of adherent cells. However, adhesion assay revealed additional properties of tested compounds that had not been detected in radioligand displacement and aequorin-based functional assays. Furthermore, for some tested compounds, these abnormal effects were confirmed during the in vivo studies. In conclusion, eosinophils adhesion assay uncovered pharmacological activity of histamine H4 receptor ligands that has been later confirmed in vivo, underscoring the value of well-suited cell-based phenotypic screening approach in drug discovery.
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Key Words
- 1,3,5 – Triazine derivatives
- 1H-Indole like derivatives
- 1H-indole like derivatives
- Adhesion
- Endothelium
- Eosinophils
- Histamine
- Histamine receptors
- JN-25 (4-[(E)-2-(3-chlorophenyl)ethenyl]-6-(4-methylpiperazin-1-yl)-1,3,5-triazin-2-amine)
- JN-35 (4-(4-methylpiperazin-1-yl)-6-(3-phenylpropyl)-1,3,5-triazin-2-amine)
- JNJ10191584 (5-chloro-1H-benzo[d]imidazol-2-yl)(4-methylpiperazin-1-yl)methanone) Pub- Chem CID: 10446295)
- JNJ7777120 (5-chloro-1H-indol-2-yl)(4-methylpiperazin-1-yl)methanone) Pub- Chem CID: 4908365)
- KP-9D (2-(4-chlorophenyl)-4-(4-methylpiperazin-1-yl)-1,3,5-triazine)
- MWJ-3 (5-chloro-7-nitro-1H-indol-2-yl)(4-methylpiperazin-1-yl)methanone Pub- Chem CID: 70692530)
- TR-18 (4-(4-bromophenyl)-6-(4-methylpiperazin-1-yl)-1,3,5-triazin-2-amine)
- TR-7 (4-(4-chlorophenyl)-6-(4-methylpiperazin-1-yl)-1,3,5-triazin-2-amine)
- TR-AF-45 (4-(4-methylpiperazin-1-yl)-6-neopentyl-1,3,5-triazin-2-amine)
- TR-AF-49 (4-(cyclohexylmethyl)-6-(4-methylpiperazin-1-yl)-1,3,5-triazin-2-amine)
- TR-DL-20 (4-(1-cyclohexenylmethyl)-6-(4-methylpiperazin-1-yl)-1,3,5-triazin-2-amine)
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Affiliation(s)
- Marek Grosicki
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Technology and Biotechnology of Drugs, Medyczna 9, 30-688, Kraków, Poland; Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzyńskiego 14, 30-348, Krakow, Poland
| | - Maristella Adami
- University of Parma, Department of Medicine and Surgery, Via Gramsci 14, 43126, Parma, Italy
| | - Cristina Micheloni
- University of Parma, Department of Medicine and Surgery, Via Gramsci 14, 43126, Parma, Italy
| | - Monika Głuch-Lutwin
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Pharmacobiology, Medyczna 9, 30-688, Kraków, Poland
| | - Agata Siwek
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Pharmacobiology, Medyczna 9, 30-688, Kraków, Poland
| | - Gniewomir Latacz
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Technology and Biotechnology of Drugs, Medyczna 9, 30-688, Kraków, Poland
| | - Dorota Łażewska
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Technology and Biotechnology of Drugs, Medyczna 9, 30-688, Kraków, Poland
| | - Małgorzata Więcek
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Technology and Biotechnology of Drugs, Medyczna 9, 30-688, Kraków, Poland
| | - David Reiner-Link
- Heinrich Heine University Düsseldorf, Institute of Pharmaceutical and Medicinal Chemistry, Universitätsstraße 1, 40225, Duesseldorf, Germany
| | - Holger Stark
- Heinrich Heine University Düsseldorf, Institute of Pharmaceutical and Medicinal Chemistry, Universitätsstraße 1, 40225, Duesseldorf, Germany
| | - Stefan Chlopicki
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, Bobrzyńskiego 14, 30-348, Krakow, Poland; Chair of Pharmacology, Jagiellonian University Medical College, Grzegorzecka 16, 31-531, Krakow, Poland
| | - Katarzyna Kieć-Kononowicz
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Technology and Biotechnology of Drugs, Medyczna 9, 30-688, Kraków, Poland.
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Groeger M, Spanier G, Wolf M, Deschner J, Proff P, Schröder A, Kirschneck C. Effects of histamine on human periodontal ligament fibroblasts under simulated orthodontic pressure. PLoS One 2020; 15:e0237040. [PMID: 32764823 PMCID: PMC7413485 DOI: 10.1371/journal.pone.0237040] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 07/17/2020] [Indexed: 12/12/2022] Open
Abstract
As type-I-allergies show an increasing prevalence in the general populace, orthodontic patients may also be affected by histamine release during treatment. Human periodontal ligament fibroblasts (PDLF) are regulators of orthodontic tooth movement. However, the impact of histamine on PDLF in this regard is unknown. Therefore PDLF were incubated without or with an orthodontic compressive force of 2g/cm2 with and without additional histamine. To assess the role of histamine-1-receptor (H1R) H1R-antagonist cetirizine was used. Expression of histamine receptors and important mediators of orthodontic tooth movement were investigated. PDLF expressed histamine receptors H1R, H2R and H4R, but not H3R. Histamine increased the expression of H1R, H2R and H4R as well as of interleukin-6, cyclooxygenase-2, and prostaglandin-E2 secretion even without pressure application and induced receptor activator of NF-kB ligand (RANKL) protein expression with unchanged osteoprotegerin secretion. These effects were not observed in presence of H1R antagonist cetirizine. By expressing histamine receptors, PDLF seem to be able to respond to fluctuating histamine levels in the periodontal tissue. Increased histamine concentration was associated with enhanced expression of proinflammatory mediators and RANKL, suggesting an inductive effect of histamine on PDLF-mediated osteoclastogenesis and orthodontic tooth movement. Since cetirizine inhibited these effects, they seem to be mainly mediated via histamine receptor H1R.
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Affiliation(s)
- Marcella Groeger
- Department of Orthodontics, University Hospital Regensburg, Regensburg, Germany
| | - Gerrit Spanier
- Department of Cranio-Maxillo-Facial Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Michael Wolf
- Department of Orthodontics, University Hospital RWTH Aachen, Aachen, Germany
| | - James Deschner
- Department of Periodontology and Operative Dentistry, University of Mainz, Mainz, Germany
| | - Peter Proff
- Department of Orthodontics, University Hospital Regensburg, Regensburg, Germany
| | - Agnes Schröder
- Department of Orthodontics, University Hospital Regensburg, Regensburg, Germany
| | - Christian Kirschneck
- Department of Orthodontics, University Hospital Regensburg, Regensburg, Germany
- * E-mail:
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Saikia S, Bordoloi M, Sarmah R. Established and In-trial GPCR Families in Clinical Trials: A Review for Target Selection. Curr Drug Targets 2020; 20:522-539. [PMID: 30394207 DOI: 10.2174/1389450120666181105152439] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/28/2018] [Accepted: 10/22/2018] [Indexed: 12/14/2022]
Abstract
The largest family of drug targets in clinical trials constitute of GPCRs (G-protein coupled receptors) which accounts for about 34% of FDA (Food and Drug Administration) approved drugs acting on 108 unique GPCRs. Factors such as readily identifiable conserved motif in structures, 127 orphan GPCRs despite various de-orphaning techniques, directed functional antibodies for validation as drug targets, etc. has widened their therapeutic windows. The availability of 44 crystal structures of unique receptors, unexplored non-olfactory GPCRs (encoded by 50% of the human genome) and 205 ligand receptor complexes now present a strong foundation for structure-based drug discovery and design. The growing impact of polypharmacology for complex diseases like schizophrenia, cancer etc. warrants the need for novel targets and considering the undiscriminating and selectivity of GPCRs, they can fulfill this purpose. Again, natural genetic variations within the human genome sometimes delude the therapeutic expectations of some drugs, resulting in medication response differences and ADRs (adverse drug reactions). Around ~30 billion US dollars are dumped annually for poor accounting of ADRs in the US alone. To curb such undesirable reactions, the knowledge of established and currently in clinical trials GPCRs families can offer huge understanding towards the drug designing prospects including "off-target" effects reducing economical resource and time. The druggability of GPCR protein families and critical roles played by them in complex diseases are explained. Class A, class B1, class C and class F are generally established family and GPCRs in phase I (19%), phase II(29%), phase III(52%) studies are also reviewed. From the phase I studies, frizzled receptors accounted for the highest in trial targets, neuropeptides in phase II and melanocortin in phase III studies. Also, the bioapplications for nanoparticles along with future prospects for both nanomedicine and GPCR drug industry are discussed. Further, the use of computational techniques and methods employed for different target validations are also reviewed along with their future potential for the GPCR based drug discovery.
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Affiliation(s)
- Surovi Saikia
- Natural Products Chemistry Group, CSIR North East Institute of Science & Technology, Jorhat-785006, Assam, India
| | - Manobjyoti Bordoloi
- Natural Products Chemistry Group, CSIR North East Institute of Science & Technology, Jorhat-785006, Assam, India
| | - Rajeev Sarmah
- Allied Health Sciences, Assam Down Town University, Panikhaiti, Guwahati 781026, Assam, India
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11
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Paudel S, Mehtani D, Puri N. Mast Cells May Differentially Regulate Growth of Lymphoid Neoplasms by Opposite Modulation of Histamine Receptors. Front Oncol 2019; 9:1280. [PMID: 31824856 PMCID: PMC6881378 DOI: 10.3389/fonc.2019.01280] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 11/04/2019] [Indexed: 12/22/2022] Open
Abstract
Cancer microenvironment is complex and consists of various immune cells. There is evidence for mast cell (MC) infiltration of tumors, but their role thereof is poorly understood. In this study, we explored the effects of mast cell and their mediators on the growth of hematological cancer cells. The affect is demonstrated using RBL-2H3 MCs, and YAC-1, EL4 and L1210 as hematological cancer cell lines. Direct contact with MCs or stimulation by their mediators caused growth inhibition of YAC-1 cells, growth enhancement of EL4 cells and no change in growth of L1210 cells. This effect was confirmed by cancer cell recovery, cell viability, mitochondrial health, and cell cycle analysis. MCs showed mediator release in direct contact with tumor cells. MC mediators' treatment to YAC-1 and EL4 yielded exactly opposite modulations of survival markers, Survivin and COX-2 and apoptosis markers, Caspase-3, Bcl-2, in the two cell lines. Histamine being an important MC mediator, effect of histamine on cell recovery, survival markers and expression of various histamine receptors and their modulation in cancer cells was studied. Again, YAC-1 and EL4 cells showed contrary histamine receptor expression modulation in response to MC mediators. Histamine receptor antagonist co-treatment with MC mediators to the cancer cells suggested a major involvement of H2 and H4 receptor in growth inhibition in YAC-1 cells, and contribution of H1, H2, and H4 receptors in cell growth enhancement in EL4 cells. L1210 showed changes in the histamine receptors' expression but no effect on treatment with receptor antagonists. It can be concluded that anti-cancerous action of MCs or their mediators may include direct growth inhibition, but their role may differ depending on the tumor.
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Affiliation(s)
- Sandeep Paudel
- Cellular and Molecular Immunology Lab, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Deeksha Mehtani
- Cellular and Molecular Immunology Lab, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Niti Puri
- Cellular and Molecular Immunology Lab, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
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12
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Bastaki SMA, Amir N, Więcek M, Kieć-Kononowicz K, Sadek B. Influence of the Novel Histamine H3 Receptor Antagonist/Inverse Agonist M39 on Gastroprotection and PGE2 Production Induced by (R)-Alpha-Methylhistamine in C57BL/6 Mice. Front Pharmacol 2019; 10:966. [PMID: 31572174 PMCID: PMC6751319 DOI: 10.3389/fphar.2019.00966] [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: 03/28/2019] [Accepted: 07/29/2019] [Indexed: 11/13/2022] Open
Abstract
The role of histamine H3 receptors (H3Rs) in the regulation of gastroprotection and production of prostaglandin E2 (PGE2) as well as somatostatin remains contradictory. Therefore, the effects of the H3R antagonist/inverse agonist M39 on in vivo acidified ethanol-induced gastric ulcers and gastric acid secretion in the C57BL/6 mice were assessed. Results showed that acute systemic administration of H3R agonist (R)-α-methylhistamine (RAMH, 100 mg/kg, i.g.) significantly reduced the severity of ulcer index, increased gastric acid output, and increased mucosal PGE2 production without any alteration of somatostatin concentration in gastric juice. However, only acute systemic administration of the H2R agonist dimaprit (DIM, 10 mg/kg, p.o.) significantly decreased the level of somatostatin measured in gastric juice. Moreover, acute systemic administration of M39 (0.3 mg/kg, i.g.) abrogated the RAMH-induced increase of acid output as well as PGE2 production, but not the DIM (10 mg/kg, i.g.)-stimulated acid secretion, indicating that RAMH as well as M39 modulate the gastroprotective effects through interactions with histamine H3Rs. The present findings indicate that agonistic interaction with H3Rs is profoundly involved in the maintenance of gastric mucosal integrity by modulating PGE2 as well as gastric acid secretion, with no apparent role in the regulation of the inhibitory influence of somatostatin.
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Affiliation(s)
- Salim M. A. Bastaki
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain, United Arab Emirates
- *Correspondence: Bassem Sadek, ; Salim M.A. Bastaki,
| | - Naheed Amir
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain, United Arab Emirates
| | - Małgorzata Więcek
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University-Medical College, Kraków, Poland
| | - Katarzyna Kieć-Kononowicz
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University-Medical College, Kraków, Poland
| | - Bassem Sadek
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain, United Arab Emirates
- *Correspondence: Bassem Sadek, ; Salim M.A. Bastaki,
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13
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Nicoud MB, Formoso K, Medina VA. Pathophysiological Role of Histamine H4 Receptor in Cancer: Therapeutic Implications. Front Pharmacol 2019; 10:556. [PMID: 31231212 PMCID: PMC6560177 DOI: 10.3389/fphar.2019.00556] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 05/03/2019] [Indexed: 12/26/2022] Open
Abstract
Cancer is a leading cause of death in both developed and developing countries. Although advances in cancer research lead to improved anti-neoplastic therapies, they continue to have unfavorable outcomes, including poor response and severe toxicity. Thus, the challenge for the new therapeutic approaches is to increase anti-tumor efficacy by targeting different molecules encompassed in the tumor and its microenvironment, as well as their specific interactions. The histamine H4 receptor (H4R) is the last discovered histamine receptor subtype and it modulates important immune functions in innate and in adaptive immune responses. Several ligands have been developed and some of them are being used in clinical trials for immune disorders with promising results. When searched in The Cancer Genome Atlas (TCGA) database, human H4R gene was found to be expressed in bladder cancer, kidney cancer, breast cancer, gastrointestinal cancers, lung cancer, endometrial cancer, and skin cancer. In the present work, we aimed to briefly summarize current knowledge in H4R's pharmacology and in the clinical use of H4R ligands before focusing on recent data reporting the expression of H4R and its pathophysiological role in cancer, representing a potential molecular target for cancer therapeutics. H4R gene and protein expression in different types of cancers compared with normal tissue as well as its relationship with patient prognosis in terms of survival will be described.
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Affiliation(s)
- Melisa B Nicoud
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Karina Formoso
- Pharmacology and Function of Ionic Channels Laboratory, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - Vanina A Medina
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina.,Laboratory of Radioisotopes, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
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14
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Salem A, Almahmoudi R, Hagström J, Stark H, Nordström D, Salo T, Eklund KK. Human β-Defensin 2 Expression in Oral Epithelium: Potential Therapeutic Targets in Oral Lichen Planus. Int J Mol Sci 2019; 20:ijms20071780. [PMID: 30974892 PMCID: PMC6479702 DOI: 10.3390/ijms20071780] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/02/2019] [Accepted: 04/09/2019] [Indexed: 12/24/2022] Open
Abstract
Human β-defensin 2 (hBD-2) is a potent antimicrobial peptide that participates in defense against invading bacteria. We recently showed that bacterial components and histamine, through histamine H4 receptor (H4R), are involved in the pathogenesis of the potentially malignant lesion, oral lichen planus (OLP). However, the underlying mechanisms remain unknown. We, therefore, investigated the role of hBD2–histamine crosstalk signaling in promoting OLP pathology. Biopsies from OLP and oral tongue squamous cell carcinoma (OTSCC) patients, and healthy controls were used. Two OTSCC cell lines and normal human oral keratinocytes (HOKs) were used. HBD-2 and other targets were mapped by immunostaining and analyzed by ImageJ2 software. The highly sensitive droplet-digital PCR technology and qRT-PCR were utilized to study the clinically derived and in vitro samples, respectively. H4R was challenged with the specific agonist HST-10 and inverse agonist ST-1007. HBD-2 was highly induced in OLP lesions. In contrast, hBD2 expression was attenuated in OTSCC tissues, while very low levels of hBD-2 messenger RNA (mRNA) were observed in OTSCC cells. Together with tumor necrosis factor-α (TNF-α), histamine upregulated hBD-2 mRNA expression in HOKs. Activation of H4R seems to modulate the expression of epithelial hBD-2. These findings suggest the involvement of hBD-2 in the pathogenesis of OLP and may, thus, be harnessed for therapeutic interventions in OLP.
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Affiliation(s)
- Abdelhakim Salem
- Department of Clinical Medicine, Clinicum, University of Helsinki, 00014 Helsinki, Finland.
- Translational Immunology Research Program, University of Helsinki, 00014 Helsinki, Finland.
- Department of Oral and Maxillofacial Diseases, Clinicum, University of Helsinki, 00014 Helsinki, Finland.
| | - Rabeia Almahmoudi
- Department of Oral and Maxillofacial Diseases, Clinicum, University of Helsinki, 00014 Helsinki, Finland.
| | - Jaana Hagström
- Department of Pathology, Helsinki University Hospital, Helsinki, Finland and Translational Cancer Medicine Research Program, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland.
| | - Holger Stark
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University Düsseldorf, 40225 Düsseldorf, Germany.
| | - Dan Nordström
- Department of Internal Medicine, Helsinki University and Helsinki Hospital, 00014 Helsinki, Finland.
| | - Tuula Salo
- Translational Immunology Research Program, University of Helsinki, 00014 Helsinki, Finland.
- Department of Oral and Maxillofacial Diseases, Clinicum, University of Helsinki, 00014 Helsinki, Finland.
- Medical Research Centre, Oulu University Hospital, 90220 Oulu, Finland.
- Cancer and Translational Medicine Research Unit, University of Oulu, FI-90014 Oulu, Finland.
| | - Kari K Eklund
- Translational Immunology Research Program, University of Helsinki, 00014 Helsinki, Finland.
- Department of Internal Medicine, Helsinki University and Helsinki Hospital, 00014 Helsinki, Finland.
- Department of Rheumatology, Helsinki University and Helsinki University Hospital, and Orton Orthopedic Hospital and Research Institute, 00014 Helsinki, Finland.
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15
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Pockes S, Wifling D, Buschauer A, Elz S. Structure-Activity Relationship of Hetarylpropylguanidines Aiming at the Development of Selective Histamine Receptor Ligands †. ChemistryOpen 2019; 8:285-297. [PMID: 30886786 PMCID: PMC6401531 DOI: 10.1002/open.201900011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 02/08/2019] [Indexed: 11/05/2022] Open
Abstract
New classes of alkylated hetarylpropylguanidines with different functionality and variation in spacer length were synthesized to determine their behavior at the four histamine receptor (H1R, H2R, H3R, H4R) subtypes. Alkylated guanidines with different terminal functional groups and varied basicity, like amine, guanidine and urea were developed, based on the lead structure SK&F 91486 (2). Furthermore, heteroatomic exchange at the guanidine structure of 2 led to simple analogues of the lead compound. Radioassays at all histamine receptor subtypes were accomplished, as well as organ bath studies at the guinea pig (gp) ileum (gpH1R) and right atrium (gpH2R). Ligands with terminal functionalization led to, partially, highly affine and potent structures (two digit nanomolar), which showed up a bad selectivity profile within the histamine receptor family. While the benzoylurea derivative 144 demonstrated a preference towards the human (h) H3R, S-methylisothiourea analogue 143 obtained high affinity at the hH4R (pKi=8.14) with moderate selectivity. The molecular basis of the latter finding was supported by computational studies.
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Affiliation(s)
- Steffen Pockes
- Institute of Pharmacy, Faculty of Chemistry and PharmacyUniversity of RegensburgUniversitätsstraße 31D-93053RegensburgGermany
| | - David Wifling
- Institute of Pharmacy, Faculty of Chemistry and PharmacyUniversity of RegensburgUniversitätsstraße 31D-93053RegensburgGermany
| | - Armin Buschauer
- Institute of Pharmacy, Faculty of Chemistry and PharmacyUniversity of RegensburgUniversitätsstraße 31D-93053RegensburgGermany
| | - Sigurd Elz
- Institute of Pharmacy, Faculty of Chemistry and PharmacyUniversity of RegensburgUniversitätsstraße 31D-93053RegensburgGermany
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16
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Dettori I, Gaviano L, Melani A, Lucarini L, Durante M, Masini E, Pedata F. A Selective Histamine H 4 Receptor Antagonist, JNJ7777120, Is Protective in a Rat Model of Transient Cerebral Ischemia. Front Pharmacol 2018; 9:1231. [PMID: 30420807 PMCID: PMC6215858 DOI: 10.3389/fphar.2018.01231] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 10/09/2018] [Indexed: 01/08/2023] Open
Abstract
Cerebral ischemia is a multifactorial pathology characterized by different events evolving in time. The acute injury, characterized by excitoxicity, is followed by a secondary brain injury that develops from hours to days after ischemia. Extracellular levels of histamine increase in the ischemic area after focal cerebral ischemia induced by occlusion of the middle cerebral artery (MCAo). The histamine H4 receptor (H4R) is predominantly expressed in cell types of immune system where is involved in the regulation of immunological and inflammatory responses, and in numerous area of the Central Nervous System (CNS) including cortex and striatum. Our aim was to assess the putative neuroprotective effects of the potent and selective H4R antagonist, JNJ7777120 (JNJ), chronically administered (1 mg/kg, i.p., twice/day for 7 days) on damage parameters in a rat model of focal ischemia induced by transient MCAo (tMCAo). Chronic treatment with the H4R antagonist JNJ, significantly protected from the neurological deficit and from body weight loss after tMCAo. Seven days after the ischemic insult, JNJ reduced the volume of the ischemic cortical and striatal damage, the number of activated microglia and astrocytes in the ischemic cortex and striatum and decreased the plasma levels of IL-1β and TNF-α, while increased the levels of IL-10. Two days after ischemia, JNJ has reduced granulocyte infiltration in the ischemic area. Results demonstrate that the selective antagonist of H4R, JNJ, systemically and chronically administered after ischemia, reduces the ischemic brain damage, improves the neurological deficit and decreases blood pro-inflammatory cytokines, suggesting that H4R is a valuable pharmacological target after focal brain ischemia.
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Affiliation(s)
| | | | | | | | | | | | - Felicita Pedata
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Division of Pharmacology and Toxicology, University of Florence, Florence, Italy
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17
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Kay LJ, Suvarna SK, Peachell PT. Histamine H 4 receptor mediates chemotaxis of human lung mast cells. Eur J Pharmacol 2018; 837:38-44. [PMID: 30148998 DOI: 10.1016/j.ejphar.2018.08.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 08/20/2018] [Accepted: 08/23/2018] [Indexed: 11/17/2022]
Abstract
The diverse effects of histamine are mediated by discrete histamine receptors. The principal repository of histamine in the body is the mast cell. However, the effects of histamine on mast cells, especially those of human origin, have not been fully elucidated. In this study, the expression of histamine receptors in human lung mast cells was evaluated. Moreover, the effects of histamine receptor engagement on both mediator release and chemotaxis were investigated. Mast cells were isolated and purified from human lung tissue. Histamine receptor expression was determined by RT-PCR and q-PCR. Both methods for the detection of histamine receptors were in accordance and human lung mast cells expressed mRNA for histamine H4 and histamine H1 receptors, variably expressed histamine H2 receptor but did not express histamine H3 receptor. The effects of selective histamine receptor agonists on the release of both pre-formed (histamine) and newly-synthesised (cysteinyl-leukotriene, prostaglandin D2) mediators were investigated. None of the agonists tested had any direct effects on mediator release. None of the agonists modulated release stimulated by anti-IgE. Further studies showed that histamine induced migration of mast cells. Chemotaxis appeared to be mediated by the histamine H4 receptor since JNJ28610244 (H4 agonist) was chemotactic for mast cells whereas 2-(2-pyridyl) ethylamine (H1 agonist) was not. Furthermore, the selective histamine H4 receptor antagonist, JNJ7777120, effectively reversed the chemotaxis of mast cells induced by JNJ28610244. Overall, these experiments identify the histamine H4 receptor as chemotactic for human lung mast cells. This mechanism might influence mast cell accumulation in the lung.
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Affiliation(s)
- Linda J Kay
- Academic Unit of Respiratory Medicine, University of Sheffield, The Medical School (Floor L), Beech Hill Road, Sheffield S10 2RX, UK
| | - S Kim Suvarna
- Department of Histopathology, Royal Hallamshire Hospital, Glossop Road, Sheffield S10 2JF, UK
| | - Peter T Peachell
- Academic Unit of Respiratory Medicine, University of Sheffield, The Medical School (Floor L), Beech Hill Road, Sheffield S10 2RX, UK.
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18
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Thangam EB, Jemima EA, Singh H, Baig MS, Khan M, Mathias CB, Church MK, Saluja R. The Role of Histamine and Histamine Receptors in Mast Cell-Mediated Allergy and Inflammation: The Hunt for New Therapeutic Targets. Front Immunol 2018; 9:1873. [PMID: 30150993 PMCID: PMC6099187 DOI: 10.3389/fimmu.2018.01873] [Citation(s) in RCA: 234] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 07/30/2018] [Indexed: 11/22/2022] Open
Abstract
Histamine and its receptors (H1R–H4R) play a crucial and significant role in the development of various allergic diseases. Mast cells are multifunctional bone marrow-derived tissue-dwelling cells that are the major producer of histamine in the body. H1R are expressed in many cells, including mast cells, and are involved in Type 1 hypersensitivity reactions. H2R are involved in Th1 lymphocyte cytokine production. H3R are mainly involved in blood–brain barrier function. H4R are highly expressed on mast cells where their stimulation exacerbates histamine and cytokine generation. Both H1R and H4R have important roles in the progression and modulation of histamine-mediated allergic diseases. Antihistamines that target H1R alone are not entirely effective in the treatment of acute pruritus, atopic dermatitis, allergic asthma, and other allergic diseases. However, antagonists that target H4R have shown promising effects in preclinical and clinical studies in the treatment of several allergic diseases. In the present review, we examine the accumulating evidence suggesting novel therapeutic approaches that explore both H1R and H4R as therapeutic targets for histamine-mediated allergic diseases.
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Affiliation(s)
- Elden Berla Thangam
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Ebenezer Angel Jemima
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Himadri Singh
- Department of Biochemistry, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India
| | - Mirza Saqib Baig
- Discipline of Biosciences and Biomedical Engineering (BSBE), Indian Institute of Technology Indore (IITI), Indore, Madhya Pradesh, India
| | - Mahejibin Khan
- Central Food Technological Research Institute-Resource Centre, Lucknow, India
| | - Clinton B Mathias
- Department of Pharmaceutical and Administrative Sciences, Western New England University, Springfield, MA, United States
| | - Martin K Church
- Department of Dermatology and Allergy, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Rohit Saluja
- Department of Biochemistry, All India Institute of Medical Sciences, Bhopal, Madhya Pradesh, India.,Department of Biotechnology, Government of India, New Delhi, India
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Huang K, Hu DD, Bai D, Wu ZY, Chen YY, Zhang YJ, Lv X, Wang QX, Zhang L. Persistent Extracellular Signal-Regulated Kinase Activation by the Histamine H4 Receptor in Spinal Neurons Underlies Chronic Itch. J Invest Dermatol 2018; 138:1843-1850. [DOI: 10.1016/j.jid.2018.02.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 02/11/2018] [Accepted: 02/14/2018] [Indexed: 01/17/2023]
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20
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Mondillo C, Varela ML, Abiuso AMB, Vázquez R. Potential negative effects of anti-histamines on male reproductive function. Reproduction 2018. [DOI: 10.1530/rep-17-0685] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Histamine (HA) is a pleiotropic biogenic amine synthesized exclusively by histidine decarboxylase (HDC) in most mammalian tissues. The literature on the role of HA within the male gonad has expanded over the last years, attracting attention to potential unexpected side-effects of anti-histamines on testicular function. In this regard, HA receptors (HRH1, HRH2 and HRH4) have been described in Leydig cells of different species, including human. Via these receptors, HA has been reported to trigger positive or negative interactions with the LH/hCG signaling pathway depending upon its concentration, thereby contributing to the local control of testicular androgen levels. It should then be considered that anti-histamines may affect testicular homeostasis by increasing or decreasing steroid production. Additionally, HRH1 and HRH2 receptors are present in peritubular and germ cells, and HRH2 antagonists have been found to negatively affect peritubular cells and reduce sperm viability. The potential negative impact of anti-histamines on male reproduction becomes even more dramatic if we consider that HA has also been associated with human sexual behavior and penile erection. What is more, although testicular mast cells are the major source of locally produced HA, recent studies have described HDC expression in macrophages, Leydig cells and germ cells, revealing the existence of multiple sources of HA within the testis. Undoubtedly, the more we learn about the testicular histaminergic system, the more opportunities there will be for rational design of drugs aimed at treating HA-related pathologies, with minimum or nule negative impact on fertility.
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21
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Feng X, Ashley J, Zhou T, Halder A, Sun Y. A facile molecularly imprinted polymer-based fluorometric assay for detection of histamine. RSC Adv 2018; 8:2365-2372. [PMID: 35541478 PMCID: PMC9077405 DOI: 10.1039/c7ra11507e] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 01/01/2018] [Indexed: 12/18/2022] Open
Abstract
Histamine is a biogenic amine naturally present in many body cells. It is also a contaminant that is mostly found in spoiled food. The consumption of foods containing high levels of histamine may lead to an allergy-like food poisoning. Analytical methods that can routinely screen histamine are thus urgently needed. In this paper, we developed a facile and cost-effective molecularly imprinted polymer (MIP)-based fluorometric assay to directly quantify histamine. Histamine-specific MIP nanoparticles (nanoMIPs) were synthesized using a modified solid-phase synthesis method. They were then immobilized in the wells of a microplate to bind the histamine in aqueous samples. After binding, o-phthaldialdehyde (OPA) was used to label the bound histamine, which converted the binding events into fluorescent signals. The obtained calibration curve of histamine showed a linear correlation ranging from 1.80 to 44.98 μM with the limit of detection of 1.80 μM. This method was successfully used to detect histamine in spiked diary milk with a recovery rate of more than 85%.
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Affiliation(s)
- Xiaotong Feng
- Department of Micro- and Nanotechnology, Technical University of Denmark Ørsteds Plads, DK-2800 Kgs, Lyngby Denmark +45 4525 6319
| | - Jon Ashley
- Department of Micro- and Nanotechnology, Technical University of Denmark Ørsteds Plads, DK-2800 Kgs, Lyngby Denmark +45 4525 6319
| | - Tongchang Zhou
- Department of Micro- and Nanotechnology, Technical University of Denmark Ørsteds Plads, DK-2800 Kgs, Lyngby Denmark +45 4525 6319
| | - Arnab Halder
- Department of Micro- and Nanotechnology, Technical University of Denmark Ørsteds Plads, DK-2800 Kgs, Lyngby Denmark +45 4525 6319
| | - Yi Sun
- Department of Micro- and Nanotechnology, Technical University of Denmark Ørsteds Plads, DK-2800 Kgs, Lyngby Denmark +45 4525 6319
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22
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Wunschel EJ, Schirmer B, Seifert R, Neumann D. Lack of Histamine H 4-Receptor Expression Aggravates TNBS-Induced Acute Colitis Symptoms in Mice. Front Pharmacol 2017; 8:642. [PMID: 28955241 PMCID: PMC5601386 DOI: 10.3389/fphar.2017.00642] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 08/30/2017] [Indexed: 12/22/2022] Open
Abstract
Inflammatory bowel diseases (IBD) are a growing health problem worldwide, severely affecting patients’ life qualities and life expectancies. Therapeutic options, which are rare and focus on symptoms associated with the disease, suffer from increasing numbers of patients refractory to the established strategies. Thus, in order to generate new therapeutic regimens, the detailed understanding of the pathogenic mechanisms causing IBD is necessary. Histamine is an inflammatory mediator associated with IBD. Four histamine receptors are currently known of which the histamine H4-receptor (H4R) has been shown to possess a pro-inflammatory function in several experimental models of inflammatory diseases, including dextran sodium sulfate (DSS)-induced colitis in mice. No single model reflects the complexity of human IBD, but each model provides valuable information on specific aspects of IBD pathogenesis. While DSS-induced colitis mostly relies on innate immune mechanisms, trinitrobenzene sulfonic acid (TNBS)-induced colitis rather reflects T-cell mechanisms. Consequently, an observation made in a single model has to be verified in at least one other model. Therefore, in the present study we investigated the effect of genetic blockade of H4R-signaling in mice subjected to the model of TNBS-induced acute colitis. We analyzed severity and progression of clinical signs of colitis, as well as histopathologic alterations in the colon and local cytokine production. Genetic ablation of H4R expression worsened clinical signs of acute colitis and histological appearance of colon inflammation after TNBS application. Moreover, TNBS instillation enhanced local synthesis of inflammatory mediators associated with a neutrophilic response, i.e., CXCL1, CXCL2, and interleukin-6. Lastly, also myeloperoxidase concentration, indicative for the presence of neutrophils, was elevated in cola of TNBS-treated mice due to the absence of H4R expression. Our results indicate an anti-inflammatory role of histamine via H4R in TNBS-induced acute neutrophilic colitis in mice, thus questioning the strategy of pharmacological H4R blocked as new therapeutic option for patients suffering from IBD.
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Affiliation(s)
- Eva J Wunschel
- Institute of Pharmacology, Hannover Medical SchoolHanover, Germany
| | - Bastian Schirmer
- Institute of Pharmacology, Hannover Medical SchoolHanover, Germany
| | - Roland Seifert
- Institute of Pharmacology, Hannover Medical SchoolHanover, Germany
| | - Detlef Neumann
- Institute of Pharmacology, Hannover Medical SchoolHanover, Germany
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Cai WK, Zhang JB, Chen JH, Meng JR, Ma X, Zhang J, Zhou YL, Xu GL, He GH. The HRH4 rs11662595 mutation is associated with histamine H 4 receptor dysfunction and with increased epithelial-to-mesenchymal transition progress in non-small cell lung cancer. Biochim Biophys Acta Mol Basis Dis 2017; 1863:2954-2963. [PMID: 28847511 DOI: 10.1016/j.bbadis.2017.08.018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 07/31/2017] [Accepted: 08/15/2017] [Indexed: 12/17/2022]
Abstract
We previously demonstrated that histamine H4 receptor (HRH4) played important roles to suppress epithelial-to-mesenchymal transition (EMT) progress in non-small cell lung cancer (NSCLC). Furthermore, recent investigations suggested that genetic variations in HRH4 gene affected HRH4 function and eventually contributed to certain HRH4-related diseases. However, the relations between polymorphisms in HRH4 gene and NSCLC as well as their underlying mechanisms remain largely uninvestigated. This study aims to investigate the genetic effect of a nonsynonymous HRH4 polymorphism (rs11662595) on HRH4 function and its association with NSCLC both basically and clinically. For basic experiments, A549 cells were transfected with either wild type or rs11662595 mutated HRH4 clone and subjected to both in vitro and in vivo experiments. We showed that rs11662595 significantly decreased the ability of HRH4 to activate Gi protein, which resulted in facilitation of EMT progress, cell proliferation, and invasion behavior in vitro. Moreover, in vivo experiments also showed that rs11662595 attenuated the anti-EMT effects of HRH4 agonist in inoculated nu/nu mice. For clinical experiments, we performed a prospective cohort study among 624 NSCLC patients and further proved that rs11662595 was responsible for the prognosis, degree of malignancy and metastasis of NSCLC. In conclusion, these findings reveal that rs11662595 is a loss-of-function polymorphism that results in dysfunction of HRH4 and attenuates the anti-EMT function of HRH4 in NSCLC, which provides a promising biomarker for prognosis and therapy of NSCLC.
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Affiliation(s)
- Wen-Ke Cai
- Department of Pharmacy, Kunming General Hospital of PLA, Kunming 650032, China; Department of Cardio-Thoracic Surgery, Kunming General Hospital of PLA, Kunming 650032, China
| | - Jia-Bin Zhang
- Surgery Center, Beijing, 302 Hospital, Beijing 100039, China
| | - Ji-Hui Chen
- Department of Pharmacy, Xin-hua Hospital Affiliated to Medical School, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Jing-Ru Meng
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an 710032, China
| | - Xue Ma
- Department of Pharmacology, School of Pharmacy, The Fourth Military Medical University, Xi'an 710032, China
| | - Juan Zhang
- Department of Pharmacy, Kunming General Hospital of PLA, Kunming 650032, China
| | - Ya-Lin Zhou
- Department of Pharmacy, Kunming General Hospital of PLA, Kunming 650032, China
| | - Gui-Li Xu
- Department of Pharmacy, Kunming General Hospital of PLA, Kunming 650032, China.
| | - Gong-Hao He
- Department of Pharmacy, Kunming General Hospital of PLA, Kunming 650032, China.
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24
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Łażewska D, Kaleta M, Schwed JS, Karcz T, Mogilski S, Latacz G, Olejarz A, Siwek A, Kubacka M, Lubelska A, Honkisz E, Handzlik J, Filipek B, Stark H, Kieć-Kononowicz K. Biphenyloxy-alkyl-piperidine and azepane derivatives as histamine H 3 receptor ligands. Bioorg Med Chem 2017; 25:5341-5354. [PMID: 28797771 DOI: 10.1016/j.bmc.2017.07.058] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 07/25/2017] [Accepted: 07/28/2017] [Indexed: 12/31/2022]
Abstract
Novel biphenyloxy-alkyl derivatives of piperidine and azepane were synthesized and evaluated for their binding properties at the human histamine H3 receptor. Two series of compounds were obtained with a meta- and a para-biphenyl moiety. The alkyl chain spacer contained five and six carbon atoms. The highest affinity among all compounds was shown by 1-(6-(3-phenylphenoxy)hexyl)azepane (13) with a Ki value of 18nM. Two para-biphenyl derivatives, 1-(5-(4-phenylphenoxy)pentyl)piperidine (14; Ki=25nM) and 1-(5-(4-phenylphenoxy)pentyl)azepane (16; Ki=34nM), classified as antagonists in a cAMP accumulation assay (IC50=4 and 9nM, respectively), were studied in detail. Compounds 14 and 16 blocked RAMH-induced dipsogenia in rats (ED50 of 2.72mg/kg and 1.75mg/kg respectively), and showed high selectivity (hH4R vs hH3R>600-fold) and low toxicity (hERG inhibition: IC50>1.70µM; hepatotoxicity IC50>12.5µM; non-mutagenic up to 10µM). Furthermore, the metabolic stability was evaluated in vitro on human liver microsomes (HLMs) and/or rat liver microsomes (RLMs). Metabolites produced were analyzed and tentatively identified by UPLC-MS techniques. The results demonstrated easy hydroxylation of the biphenyl ring.
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Affiliation(s)
- Dorota Łażewska
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland.
| | - Maria Kaleta
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - J Stephan Schwed
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Tadeusz Karcz
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Szczepan Mogilski
- Department of Pharmacodynamic, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Gniewomir Latacz
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Agnieszka Olejarz
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Agata Siwek
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Monika Kubacka
- Department of Pharmacodynamic, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Annamaria Lubelska
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Ewelina Honkisz
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Jadwiga Handzlik
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Barbara Filipek
- Department of Pharmacodynamic, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland
| | - Holger Stark
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany
| | - Katarzyna Kieć-Kononowicz
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College, ul. Medyczna 9, 30-688 Kraków, Poland.
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Massari NA, Nicoud MB, Sambuco L, Cricco GP, Lamas DJM, Ducloux MVH, Blanco H, Rivera ES, Medina VA. Histamine therapeutic efficacy in metastatic melanoma: Role of histamine H4 receptor agonists and opportunity for combination with radiation. Oncotarget 2017; 8:26471-26491. [PMID: 28460440 PMCID: PMC5432273 DOI: 10.18632/oncotarget.15594] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 02/06/2017] [Indexed: 01/16/2023] Open
Abstract
The aims of the work were to improve our knowledge of the role of H4R in melanoma proliferation and assess in vivo the therapeutic efficacy of histamine, clozapine and JNJ28610244, an H4R agonist, in a preclinical metastatic model of melanoma. Additionally, we aimed to investigate the combinatorial effect of histamine and gamma radiation on the radiobiological response of melanoma cells.Results indicate that 1205Lu metastatic melanoma cells express H4R and that histamine inhibits proliferation, in part through the stimulation of the H4R, and induces cell senescence and melanogenesis. Daily treatment with H4R agonists (1 mg/kg, sc) exhibited a significant in vivo antitumor effect and importantly, compounds reduced metastatic potential, particularly in the group treated with JNJ28610244, the H4R agonist with higher specificity. H4R is expressed in benign and malignant lesions of melanocytic lineage, highlighting the potential clinical use of histamine and H4R agonists. In addition, histamine increased radiosensitivity of melanoma cells in vitro and in vivo. We conclude that stimulation of H4R by specific ligands may represent a novel therapeutic strategy in those tumors that express this receptor. Furthermore, through increasing radiation-induced response, histamine could improve cancer radiotherapy for the treatment of melanoma.
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Affiliation(s)
- Noelia A. Massari
- Laboratory of Radioisotopes, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
- Immunology Department, School of Natural Sciences, National University of Patagonia San Juan Bosco, Chubut, Argentina
| | - Melisa B. Nicoud
- Laboratory of Radioisotopes, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | | | - Graciela P. Cricco
- Laboratory of Radioisotopes, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
| | - Diego J. Martinel Lamas
- Laboratory of Radioisotopes, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
| | - María V. Herrero Ducloux
- Pathology Department, School of Natural Sciences, National University of Patagonia San Juan Bosco, Chubut, Argentina
| | - Horacio Blanco
- Hospital Municipal de Oncología “Marie Curie”, Buenos Aires, Argentina
| | - Elena S. Rivera
- Laboratory of Radioisotopes, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
| | - Vanina A. Medina
- Laboratory of Radioisotopes, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical Sciences, Pontifical Catholic University of Argentina (UCA), and the National Scientific and Technical Research Council (CONICET), Buenos Aires, Argentina
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26
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Faustino-Rocha AI, Ferreira R, Gama A, Oliveira PA, Ginja M. Antihistamines as promising drugs in cancer therapy. Life Sci 2017; 172:27-41. [DOI: 10.1016/j.lfs.2016.12.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 12/11/2016] [Accepted: 12/13/2016] [Indexed: 12/28/2022]
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27
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Fernandes CEM, Serafim KR, Gianlorenço ACL, Mattioli R. Cholinergic agonist reverses H1-induced memory deficit in mice. Prog Neuropsychopharmacol Biol Psychiatry 2017; 72:16-22. [PMID: 27528108 DOI: 10.1016/j.pnpbp.2016.08.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 07/28/2016] [Accepted: 08/11/2016] [Indexed: 01/15/2023]
Abstract
This study investigated the effects of bilateral intraamygdalar microinjections of PNU-282987, a nicotinic cholinergic agonist, on anxiety and the reversal of amnesia induced by chlorpheniramine (CPA), an H1 histaminergic antagonist, in mice subjected to the elevated plusmaze (EPM). Two experiments were performed with seventy-nine adult male Swiss mice. The isolated microinjections of PNU-282987 did not produce effects on emotional memory; however, the combined microinjections of PNU-282987 and CPA were able to reverse the deficit in memory induced by CPA (ANOVA, p<0.05). Taken together, these results suggest that intraamygdalar injections of PNU-282987 did not induce effects on anxiety and emotional memory per se; however, concurrent microinjections of PNU-282987 and CPA-reverse amnesia induced-CPA which is suggestive of an interaction between the histaminergic and cholinergic systems in the modulation of emotion memory acquisition in mice.
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Affiliation(s)
- C E M Fernandes
- Laboratory of Neuroscience, Physiotherapy Department, Center of Biological Sciences and Health, Federal University of Sao Carlos, Rod. Washington Luis, Km 235, 13565-905 Sao Carlos, Brazil.
| | - K R Serafim
- Laboratory of Neuroscience, Physiotherapy Department, Center of Biological Sciences and Health, Federal University of Sao Carlos, Rod. Washington Luis, Km 235, 13565-905 Sao Carlos, Brazil.
| | - A C L Gianlorenço
- Laboratory of Neuroscience, Physiotherapy Department, Center of Biological Sciences and Health, Federal University of Sao Carlos, Rod. Washington Luis, Km 235, 13565-905 Sao Carlos, Brazil.
| | - R Mattioli
- Laboratory of Neuroscience, Physiotherapy Department, Center of Biological Sciences and Health, Federal University of Sao Carlos, Rod. Washington Luis, Km 235, 13565-905 Sao Carlos, Brazil.
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28
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Jin C, Su L, Ma D, Cheng M. Transition-metal-free, visible-light-mediated cyclization of o-azidoarylalkynes with aryl diazonium salts. NEW J CHEM 2017. [DOI: 10.1039/c7nj03144k] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A visible-light promoted transformation of o-azidoarylalkynes and aryl diazonium salts for the synthesis of unsymmetrical 2,3-diaryl-substituted indoles under transition-metal-free conditions was described.
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Affiliation(s)
- Cheng Jin
- New United Group Company Limited
- Changzhou
- China
| | | | - Daxi Ma
- Department of General Surgery, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital
- Shanghai
- China
| | - Mingrong Cheng
- Department of General Surgery
- Tianyou Hospital
- Tongji University
- Shanghai
- China
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29
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Bologna Z, Teoh JP, Bayoumi AS, Tang Y, Kim IM. Biased G Protein-Coupled Receptor Signaling: New Player in Modulating Physiology and Pathology. Biomol Ther (Seoul) 2017; 25:12-25. [PMID: 28035079 PMCID: PMC5207460 DOI: 10.4062/biomolther.2016.165] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2016] [Revised: 08/19/2016] [Accepted: 08/23/2016] [Indexed: 01/03/2023] Open
Abstract
G protein-coupled receptors (GPCRs) are a family of cell-surface proteins that play critical roles in regulating a variety of pathophysiological processes and thus are targeted by almost a third of currently available therapeutics. It was originally thought that GPCRs convert extracellular stimuli into intracellular signals through activating G proteins, whereas β-arrestins have important roles in internalization and desensitization of the receptor. Over the past decade, several novel functional aspects of β-arrestins in regulating GPCR signaling have been discovered. These previously unanticipated roles of β-arrestins to act as signal transducers and mediators of G protein-independent signaling have led to the concept of biased agonism. Biased GPCR ligands are able to engage with their target receptors in a manner that preferentially activates only G protein- or β-arrestin-mediated downstream signaling. This offers the potential for next generation drugs with high selectivity to therapeutically relevant GPCR signaling pathways. In this review, we provide a summary of the recent studies highlighting G protein- or β-arrestin-biased GPCR signaling and the effects of biased ligands on disease pathogenesis and regulation.
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Affiliation(s)
- Zuzana Bologna
- Vascular Biology Center, Medical College of Georgia, Augusta University, GA 30912, USA
| | - Jian-Peng Teoh
- Vascular Biology Center, Medical College of Georgia, Augusta University, GA 30912, USA
| | - Ahmed S Bayoumi
- Vascular Biology Center, Medical College of Georgia, Augusta University, GA 30912, USA
| | - Yaoliang Tang
- Vascular Biology Center, Medical College of Georgia, Augusta University, GA 30912, USA
| | - Il-Man Kim
- Vascular Biology Center, Medical College of Georgia, Augusta University, GA 30912, USA.,Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta University, GA 30912, USA
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30
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Sanna MD, Lucarini L, Durante M, Ghelardini C, Masini E, Galeotti N. Histamine H 4 receptor agonist-induced relief from painful peripheral neuropathy is mediated by inhibition of spinal neuroinflammation and oxidative stress. Br J Pharmacol 2016; 174:28-40. [PMID: 27714773 DOI: 10.1111/bph.13644] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 09/21/2016] [Accepted: 09/21/2016] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND AND PURPOSE Neuropathic pain is under-treated, with a detrimental effect on quality of life, partly because of low treatment efficacy, but also because pathophysiological mechanisms are not fully elucidated. To clarify the pathobiology of neuropathic pain, we studied the contribution of neuroinflammation and oxidative stress in a model of peripheral neuropathy. We also assessed an innovative treatment for neuropathic pain by investigating the effects of histamine H4 receptor ligands in this model. EXPERIMENTAL APPROACH A peripheral mononeuropathy was induced in mice, by spared nerve injury (SNI). Neuroinflammation and oxidative stress parameters were evaluated by spectrophotometry. The mechanical (von Frey test) and thermal (plantar test) nociceptive thresholds were evaluated. KEY RESULTS SNI mice showed increased expression of the pro-inflammatory cytokines IL-1ß and TNF-α, decreased antioxidant enzyme Mn-containing SOD (MnSOD), increased levels of 8-hydroxy-2'-deoxyguanosine (8-OHdG), an indicator of oxidative DNA damage, and of PARP, nuclear enzyme activated upon DNA damage. Intrathecal administration of VUF 8430 (H4 receptor agonist) reversed the mechanical and thermal allodynia and was associated with decreased expression of IL-1ß, TNF-α, 8-OHdG and PARP and with restoration of MnSOD activity in the spinal cord and sciatic nerve. These effects were prevented by JNJ 10191584 (H4 receptor antagonist). CONCLUSION AND IMPLICATIONS In the SNI mouse model of neuropathic pain, neuronal H4 receptor stimulation counteracts hyperalgesia and reduces neuroinflammation and oxidative stress in the spinal cord and sciatic nerve. Targeting both oxidative stress and pro-neuroinflammatory pathways through H4 receptor-mediated mechanisms could have promising therapeutic potential for neuropathic pain management.
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Affiliation(s)
- Maria Domenica Sanna
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology, University of Florence, Florence, Italy
| | - Laura Lucarini
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology, University of Florence, Florence, Italy
| | - Mariaconcetta Durante
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology, University of Florence, Florence, Italy
| | - Carla Ghelardini
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology, University of Florence, Florence, Italy
| | - Emanuela Masini
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology, University of Florence, Florence, Italy
| | - Nicoletta Galeotti
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), Section of Pharmacology, University of Florence, Florence, Italy
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Mogilski S, Kubacka M, Łażewska D, Więcek M, Głuch-Lutwin M, Tyszka-Czochara M, Bukowska-Strakova K, Filipek B, Kieć-Kononowicz K. Aryl-1,3,5-triazine ligands of histamine H 4 receptor attenuate inflammatory and nociceptive response to carrageen, zymosan and lipopolysaccharide. Inflamm Res 2016; 66:79-95. [PMID: 27766379 PMCID: PMC5209447 DOI: 10.1007/s00011-016-0997-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 10/06/2016] [Accepted: 10/11/2016] [Indexed: 12/30/2022] Open
Abstract
Objective and design Histamine H4 receptor (H4R) offers a great potential for new therapeutic strategies for the treatment of inflammation-based diseases. The aim of this study is to present the pharmacological profile of two recently synthesized ligands of H4R with particular reference to their anti-inflammatory and analgesic activity. Materials and subjects We used mice and rats in the in vivo tests. We also used murine RAW 264.7 cells and isolated guinea-pig ileum in in vitro test. Treatments In the in vivo tests, animals were pre-treated with the increasing doses of investigated compounds (12.5, 25 and 50 mg/kg) and reference compounds: JNJ7777120 (25 mg/kg), indomethacin (10 mg/kg). Macrophages were pre-treated with two concentrations of tested compounds 100 and 10 µM. Methods We examined anti-inflammatory and analgesic effects of the new H4R antagonists in the in vivo models of inflammation induced by carrageenan or zymosan. We assessed the level of cAMP and release of cytokines, ROS and NO in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. Moreover, we assessed the affinity of the investigated compounds for histamine H1 receptor in functional studies. Results Both investigated compounds reduced paw edema, mechanical and thermal hyperalgesia in the carrageenan-induced acute inflammation. Moreover, administration of the investigated compounds resulted in decreased granulocyte influx and attenuated nociceptive reaction in the zymosan-induced peritonitis model. In the same model of inflammation, the investigated compounds reduced vascular permeability; however, this effect was observed only after the highest applied dose. Furthermore, the test compounds had no impact on cell viability in the experiments on RAW 264.7 macrophages. In these cells, stimulated with LPS, the test compounds decreased reactive oxygen species (ROS) production. They increased the cellular concentration of cAMP and attenuated the production of inflammatory cytokines such as TNFα and IL-1β. All results were comparable to those obtained for the reference compound JNJ7777120 with the exception of the impact on NO production. Nevertheless, this effect was similar to that obtained for the other reference compound rolipram, which is a phosphodiesterase 4 (PDE 4) inhibitor. Further experiments revealed that both of the investigated compounds possessed relatively low affinity for histamine H1 receptor and do not inhibit the activity of the PDE 4B1 enzyme. In addition, all the effects of the investigated compounds in in vivo experiments were observed at doses that did not cause neurologic deficits in rotarod test and did not reduce spontaneous locomotor activity. Conclusions Our results demonstrate the anti-inflammatory and analgesic activity of the new aryl-1,3,5-triazine derivatives, which are primarily H4R–dependent.
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Affiliation(s)
- Szczepan Mogilski
- Departament of Pharmacodynamics, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland.
| | - Monika Kubacka
- Departament of Pharmacodynamics, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Dorota Łażewska
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Małgorzata Więcek
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Monika Głuch-Lutwin
- Department of Pharmacobiology, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Krakow, Poland
| | - Małgorzata Tyszka-Czochara
- Department of Radioligands, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Karolina Bukowska-Strakova
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland.,Department of Clinical Immunology and Transplantology, Polish-American Institute of Pediatrics, Medical College, Jagiellonian University, Krakow, Poland
| | - Barbara Filipek
- Departament of Pharmacodynamics, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
| | - Katarzyna Kieć-Kononowicz
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Medyczna 9, 30-688, Kraków, Poland
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33
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Bolam JP, Ellender TJ. Histamine and the striatum. Neuropharmacology 2016; 106:74-84. [PMID: 26275849 PMCID: PMC4917894 DOI: 10.1016/j.neuropharm.2015.08.013] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 07/30/2015] [Accepted: 08/06/2015] [Indexed: 12/25/2022]
Abstract
The neuromodulator histamine is released throughout the brain during periods of wakefulness. Combined with an abundant expression of histamine receptors, this suggests potential widespread histaminergic control of neural circuit activity. However, the effect of histamine on many of these circuits is unknown. In this review we will discuss recent evidence for histaminergic modulation of the basal ganglia circuitry, and specifically its main input nucleus; the striatum. Furthermore, we will discuss recent findings of histaminergic dysfunction in several basal ganglia disorders, including in Parkinson's disease and most prominently, in Tourette's syndrome, which has led to a resurgence of interest in this neuromodulator. Combined, these recent observations not only suggest a central role for histamine in modulating basal ganglia activity and behaviour, but also as a possible target in treating basal ganglia disorders. This article is part of the Special Issue entitled 'Histamine Receptors'.
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Affiliation(s)
- J Paul Bolam
- Department of Pharmacology, MRC Brain Network Dynamics Unit, Mansfield Road, OX1 3TH Oxford, United Kingdom
| | - Tommas J Ellender
- Department of Pharmacology, MRC Brain Network Dynamics Unit, Mansfield Road, OX1 3TH Oxford, United Kingdom.
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Kaneko H, Ye F, Ijima R, Kachi S, Kato S, Nagaya M, Higuchi A, Terasaki H. Histamine H4 receptor as a new therapeutic target for choroidal neovascularization in age-related macular degeneration. Br J Pharmacol 2016; 171:3754-63. [PMID: 24787705 DOI: 10.1111/bph.12737] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2013] [Revised: 04/03/2014] [Accepted: 04/11/2014] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND PURPOSE The present treatment for choroidal neovascularization (CNV) associated with age-related macular degeneration (AMD) is not sufficient. Hence, we examined the therapeutic efficacy of reducing histamine H4 receptor expression on CNV in mice. EXPERIMENTAL APPROACH H4 receptor expression was examined in CNVs from patients with AMD. In mice, laser photocoagulation was performed in the retina to induce experimental CNV (laser CNV). Protein and mRNA expression levels were determined and CNV volume measured in wild-type and Hrh4(-/-) mice with laser CNV. The effects of JNJ7777120, an H4 receptor antagonist, administered intravitreously, on CNV volume and pathological vessel leakage were determined in mice with laser CNV and controls. Fundus imaging, retinal histology and electroretinography were performed on eyes injected with JNJ7777120 to evaluate retinal toxicity. KEY RESULTS Human H4 receptors were only confirmed in CNV samples from AMD patients and not in the other subretinal tissues. Mouse H4 receptors were expressed in retinal pigment epithelium only after inducing laser CNV in wild-type mice, and were co-localized with the macrophage marker F4/80. Laser CNV volume was reduced in Hrh4(-/-) mice compared with that in wild-type mice, and JNJ7777120 suppressed laser-induced CNV volume and pathological CNV leakage in wild-type mice. Also eyes injected with JNJ7777120 did not show retinal degeneration. CONCLUSIONS AND IMPLICATIONS H4 receptors are expressed in macrophages that accumulate around CNVs. Suppressing H4 receptor expression prevented the pathological vessel leakage without showing retinal toxicity, indicating that the H4 receptor has potential as a novel therapeutic target in AMD.
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Affiliation(s)
- Hiroki Kaneko
- Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Prestifilippo JP, Fernández-Solari J, Martinel Lamas DJ, Rios CE, Mohn C, Perazzo JC, Rivera ES, Elverdin JC, Medina VA. Pharmacological targeting of histamine H4receptor in periodontal disease. Oral Dis 2016; 22:423-9. [DOI: 10.1111/odi.12467] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 01/08/2016] [Accepted: 02/10/2016] [Indexed: 12/29/2022]
Affiliation(s)
- JP Prestifilippo
- Physiology Department; School of Dentistry; University of Buenos Aires; Buenos Aires Argentina
| | - J Fernández-Solari
- Physiology Department; School of Dentistry; University of Buenos Aires; Buenos Aires Argentina
- National Scientific and Technical Research Council (CONICET); Buenos Aires Argentina
| | - DJ Martinel Lamas
- Laboratory of Radioisotopes; School of Pharmacy and Biochemistry; University of Buenos Aires; Buenos Aires Argentina
- Laboratory of Cellular and Molecular Biology; Institute for Biomedical Research (BIOMED); School of Medical Sciences; CONICET; Pontifical Catholic University of Argentina (UCA); Buenos Aires Argentina
| | - CE Rios
- Physiology Department; School of Dentistry; University of Buenos Aires; Buenos Aires Argentina
| | - C Mohn
- Physiology Department; School of Dentistry; University of Buenos Aires; Buenos Aires Argentina
- National Scientific and Technical Research Council (CONICET); Buenos Aires Argentina
| | - JC Perazzo
- Pathophysiology; School of Pharmacy and Biochemistry; University of Buenos Aires; Buenos Aires Argentina
| | - ES Rivera
- Laboratory of Radioisotopes; School of Pharmacy and Biochemistry; University of Buenos Aires; Buenos Aires Argentina
| | - JC Elverdin
- Physiology Department; School of Dentistry; University of Buenos Aires; Buenos Aires Argentina
| | - VA Medina
- Laboratory of Radioisotopes; School of Pharmacy and Biochemistry; University of Buenos Aires; Buenos Aires Argentina
- Laboratory of Cellular and Molecular Biology; Institute for Biomedical Research (BIOMED); School of Medical Sciences; CONICET; Pontifical Catholic University of Argentina (UCA); Buenos Aires Argentina
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Grosicki M, Wójcik T, Chlopicki S, Kieć-Kononowicz K. In vitro study of histamine and histamine receptor ligands influence on the adhesion of purified human eosinophils to endothelium. Eur J Pharmacol 2016; 777:49-59. [PMID: 26939881 DOI: 10.1016/j.ejphar.2016.02.061] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Revised: 02/25/2016] [Accepted: 02/26/2016] [Indexed: 01/08/2023]
Abstract
It is a well-known fact that histamine is involved in eosinophil-dependent inflammatory responses including cellular chemotaxis and migration. Nevertheless, the relative role of histamine receptors in the mechanisms of eosinophils adhesion to endothelial cells is not known. Therefore the aim of presented study was to examine the effect of selective histamine receptors ligands on eosinophils adhesion to endothelium. For that purpose the highly purified human eosinophils have been isolated from the peripheral blood. The viability and functional integrity of isolated eosinophils have been validated in several tests. Histamine as well as 4-methylhistamine (selective H4 agonist) in concentration-dependent manner significantly increased number of eosinophils that adhere to endothelium. Among the selective histamine receptors antagonist or H1 inverse agonist only JNJ7777120 (histamine H4 antagonist) and thioperamide (dual histamine H3/H4 antagonist) had direct effect on eosinophils adhesion to endothelial cells. Antagonists of H1 (diphenhydramine, mepyramine) H2 (ranitidine and famotidine) and H3 (pitolisant) histamine receptors were ineffective. To the best of our knowledge, this is the first study to demonstrate that histamine receptor H4 plays a dominant role in histamine-induced eosinophils adhesion to endothelium.
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Affiliation(s)
- Marek Grosicki
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Technology and Biotechnology of Drugs, Medyczna 9, 30-688 Krakow, Poland; Jagiellonian Center for Experimental Therapeutics (JCET), Bobrzyńskiego 14, 30-348, Krakow, Poland
| | - Tomasz Wójcik
- Jagiellonian Center for Experimental Therapeutics (JCET), Bobrzyńskiego 14, 30-348, Krakow, Poland
| | - Stefan Chlopicki
- Jagiellonian Center for Experimental Therapeutics (JCET), Bobrzyńskiego 14, 30-348, Krakow, Poland; Department of Experimental Pharmacology, Chair of Pharmacology, Jagiellonian University Medical College, Grzegórzecka 16, 31-531, Krakow, Poland
| | - Katarzyna Kieć-Kononowicz
- Jagiellonian University Medical College, Faculty of Pharmacy, Department of Technology and Biotechnology of Drugs, Medyczna 9, 30-688 Krakow, Poland.
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Zhang HT, Gu LJ, Huang XZ, Wang R, Jin C, Li GP. Synthesis of indol-3-yl aryl ketones through visible-light-mediated carbonylation. CHINESE CHEM LETT 2016. [DOI: 10.1016/j.cclet.2015.10.012] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mocking TAM, Bosma R, Rahman SN, Verweij EWE, McNaught-Flores DA, Vischer HF, Leurs R. Molecular Aspects of Histamine Receptors. HISTAMINE RECEPTORS 2016. [DOI: 10.1007/978-3-319-40308-3_1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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TRPV1 and PLC Participate in Histamine H4 Receptor-Induced Itch. Neural Plast 2015; 2016:1682972. [PMID: 26819760 PMCID: PMC4706928 DOI: 10.1155/2016/1682972] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 08/31/2015] [Accepted: 09/03/2015] [Indexed: 12/12/2022] Open
Abstract
Histamine H4 receptor has been confirmed to play a role in evoking peripheral pruritus. However, the ionic and intracellular signaling mechanism of activation of H4 receptor on the dorsal root ganglion (DRG) neurons is still unknown. By using cell culture and calcium imaging, we studied the underlying mechanism of activation of H4 receptor on the DRG neuron. Immepip dihydrobromide (immepip)—a histamine H4 receptor special agonist under cutaneous injection—obviously induced itch behavior of mice. Immepip-induced scratching behavior could be blocked by TRPV1 antagonist AMG9810 and PLC pathway inhibitor U73122. Application of immepip (8.3–50 μM) could also induce a dose-dependent increase in intracellular Ca2+ ([Ca2+]i) of DRG neurons. We found that 77.8% of the immepip-sensitized DRG neurons respond to the TRPV1 selective agonist capsaicin. U73122 could inhibit immepip-induced Ca2+ responses. In addition, immepip-induced [Ca2+]i increase could be blocked by ruthenium red, capsazepine, and AMG9810; however it could not be blocked by TRPA1 antagonist HC-030031. These results indicate that TRPV1 but not TRPA1 is the important ion channel to induce the DRG neurons' responses in the downstream signaling pathway of histamine H4 receptor and suggest that TRPV1 may be involved in the mechanism of histamine-induced itch response by H4 receptor activation.
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Histamine H4 receptor activation alleviates neuropathic pain through differential regulation of ERK, JNK, and P38 MAPK phosphorylation. Pain 2015; 156:2492-2504. [DOI: 10.1097/j.pain.0000000000000319] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Sadek B, Stark H. Cherry-picked ligands at histamine receptor subtypes. Neuropharmacology 2015; 106:56-73. [PMID: 26581501 DOI: 10.1016/j.neuropharm.2015.11.005] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 11/05/2015] [Accepted: 11/06/2015] [Indexed: 12/17/2022]
Abstract
Histamine, a biogenic amine, is considered as a principle mediator of multiple physiological effects through binding to its H1, H2, H3, and H4 receptors (H1-H4Rs). Currently, the HRs have gained attention as important targets for the treatment of several diseases and disorders ranging from allergy to Alzheimer's disease and immune deficiency. Accordingly, medicinal chemistry studies exploring histamine-like molecules and their physicochemical properties by binding and interacting with the four HRs has led to the development of a diversity of agonists and antagonists that display selectivity for each HR subtype. An overview on H1-R4Rs and developed ligands representing some key steps in development is provided here combined with a short description of structure-activity relationships for each class. Main chemical diversities, pharmacophores, and pharmacological profiles of most innovative H1-H4R agonists and antagonists are highlighted. Therefore, this overview should support the rational choice for the optimal ligand selection based on affinity, selectivity and efficacy data in biochemical and pharmacological studies. This article is part of the Special Issue entitled 'Histamine Receptors'.
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Affiliation(s)
- Bassem Sadek
- Department of Pharmacology and Therapeutics, College of Medicine & Health Sciences, United Arab Emirates University, PO Box 17666, Al Ain, United Arab Emirates.
| | - Holger Stark
- Institute of Pharmaceutical and Medicinal Chemistry, Heinrich Heine University, Universitaetsstr. 1, 40225 Düsseldorf, Germany
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Kamińska K, Ziemba J, Ner J, Schwed JS, Łażewska D, Więcek M, Karcz T, Olejarz A, Latacz G, Kuder K, Kottke T, Zygmunt M, Sapa J, Karolak-Wojciechowska J, Stark H, Kieć-Kononowicz K. (2-Arylethenyl)-1,3,5-triazin-2-amines as a novel histamine H4 receptor ligands. Eur J Med Chem 2015; 103:238-51. [DOI: 10.1016/j.ejmech.2015.08.014] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 08/03/2015] [Accepted: 08/06/2015] [Indexed: 01/29/2023]
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Petri D, Schlicker E. A search for presynaptic inhibitory histamine receptors in guinea-pig tissues: Further H3 receptors but no evidence for H4 receptors. Neuropharmacology 2015. [PMID: 26211976 DOI: 10.1016/j.neuropharm.2015.06.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The histamine H4 receptor is coupled to Gi/o proteins and expressed on inflammatory cells and lymphoid tissues; it was suggested that this receptor also occurs in the brain or on peripheral neurones. Since many Gi/o protein-coupled receptors, including the H3 receptor, serve as presynaptic inhibitory receptors, we studied whether the sympathetic neurones supplying four peripheral tissues and the cholinergic neurones in the hippocampus from the guinea-pig are equipped with release-modulating H4 and H3 receptors. For this purpose, we preincubated tissue pieces from the aorta, atrium, renal cortex and vas deferens with (3)H-noradrenaline and hippocampal slices with (3)H-choline and determined the electrically evoked tritium overflow. The stimulation-evoked overflow in the five superfused tissues was inhibited by the muscarinic receptor agonist oxotremorine, which served as a positive control, but not affected by the H4 receptor agonist 4-methylhistamine. The H3 receptor agonist R-α-methylhistamine inhibited noradrenaline release in the peripheral tissues without affecting acetylcholine release in the hippocampal slices. Thioperamide shifted the concentration-response curve of histamine in the aorta and the renal cortex to the right, yielding apparent pA2 values of 8.0 and 8.1, respectively, which are close to its affinity at other H3 receptors but higher by one log unit than its pKi at the H4 receptor of the guinea-pig. In conclusion, histamine H4 receptors could not be identified in five experimental models of the guinea-pig that are suited for the detection of presynaptic inhibitory receptors whereas H3 receptors could be shown in the peripheral tissues but not in the hippocampus. This article is part of the Special Issue entitled 'Histamine Receptors'.
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Affiliation(s)
- Doris Petri
- Institut für Pharmakologie und Toxikologie, Universität Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany
| | - Eberhard Schlicker
- Institut für Pharmakologie und Toxikologie, Universität Bonn, Sigmund-Freud-Str. 25, 53105 Bonn, Germany.
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De Benedetto A, Yoshida T, Fridy S, Park JES, Kuo IH, Beck LA. Histamine and Skin Barrier: Are Histamine Antagonists Useful for the Prevention or Treatment of Atopic Dermatitis? J Clin Med 2015; 4:741-55. [PMID: 26239353 PMCID: PMC4470164 DOI: 10.3390/jcm4040741] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 03/30/2015] [Accepted: 04/01/2015] [Indexed: 01/02/2023] Open
Abstract
Atopic Dermatitis (AD), the most common chronic inflammatory skin disease, is characterized by an overactive immune response to a host of environmental allergens and dry, itchy skin. Over the past decade important discoveries have demonstrated that AD develops in part from genetic and/or acquired defects in the skin barrier. Histamine is an aminergic neurotransmitter involved in physiologic and pathologic processes such as pruritus, inflammation, and vascular leak. Enhanced histamine release has been observed in the skin of patients with AD and antihistamines are often prescribed for their sedating and anti-itch properties. Recent evidence suggests that histamine also inhibits the terminal differentiation of keratinocytes and impairs the skin barrier, raising the question whether histamine might play a role in AD barrier impairment. This, coupled with the notion that histamine’s effects mediated through the recently identified histamine receptor H4R, may be important in allergic inflammation, has renewed interest in this mediator in allergic diseases. In this paper we summarize the current knowledge on histamine and histamine receptor antagonists in AD and skin barrier function.
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Affiliation(s)
- Anna De Benedetto
- Department of Dermatology, University of Rochester Medical Center, Rochester, NY 14642, USA.
| | - Takeshi Yoshida
- Department of Dermatology, University of Rochester Medical Center, Rochester, NY 14642, USA.
| | - Sade Fridy
- Department of Dermatology, University of Rochester Medical Center, Rochester, NY 14642, USA.
| | - Joo-Eun S Park
- Department of Dermatology, University of Rochester Medical Center, Rochester, NY 14642, USA.
| | - I-Hsin Kuo
- Department of Dermatology, University of Rochester Medical Center, Rochester, NY 14642, USA.
| | - Lisa A Beck
- Department of Dermatology, University of Rochester Medical Center, Rochester, NY 14642, USA.
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Alonso N, Zappia CD, Cabrera M, Davio CA, Shayo C, Monczor F, Fernández NC. Physiological implications of biased signaling at histamine H2 receptors. Front Pharmacol 2015; 6:45. [PMID: 25805997 PMCID: PMC4354273 DOI: 10.3389/fphar.2015.00045] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2014] [Accepted: 02/20/2015] [Indexed: 12/25/2022] Open
Abstract
Histamine mediates numerous functions acting through its four receptor subtypes all belonging to the large family of seven transmembrane G-protein coupled receptors. In particular, histamine H2 receptor (H2R) is mainly involved in gastric acid production, becoming a classic pharmacological target to treat Zollinger–Ellison disease and gastric and duodenal ulcers. H2 ligands rank among the most widely prescribed and over the counter-sold drugs in the world. Recent evidence indicate that some H2R ligands display biased agonism, selecting and triggering some, but not all, of the signaling pathways associated to the H2R. The aim of the present work is to study whether famotidine, clinically widespread used ligand acting at H2R, exerts biased signaling. Our findings indicate that while famotidine acts as inverse agonist diminishing cAMP basal levels, it mimics the effects of histamine and the agonist amthamine concerning receptor desensitization and internalization. Moreover, the treatment of HEK293T transfected cells with any of the three ligands lead to a concentration dependent pERK increment. Similarly in AGS gastric epithelial cells, famotidine treatment led to both, the reduction in cAMP levels as well as the increment in ERK phosphorylation, suggesting that this behavior could have pharmacological relevant implications. Based on that, histidine decarboxylase expression was studied by quantitative PCR in AGS cells and its levels were increased by famotidine as well as by histamine and amthamine. In all cases, the positive regulation was impeded by the MEK inhibitor PD98059, indicating that biased signaling toward ERK1/2 pathway is the responsible of such enzyme regulation. These results support that ligand bias is not only a pharmacological curiosity but has physiological and pharmacological implications on cell metabolism.
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Affiliation(s)
- Natalia Alonso
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental Buenos Aires, Argentina ; Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina
| | - Carlos D Zappia
- Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina, ; Laboratorio de Farmacología de Receptores, Cátedra de Química Medicinal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires Buenos Aires, Argentina
| | - Maia Cabrera
- Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina, ; Laboratorio de Farmacología de Receptores, Cátedra de Química Medicinal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires Buenos Aires, Argentina
| | - Carlos A Davio
- Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina, ; Laboratorio de Farmacología de Receptores, Cátedra de Química Medicinal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires Buenos Aires, Argentina ; Instituto de Investigaciones Farmacológicas - Universidad de Buenos Aires - Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina
| | - Carina Shayo
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental Buenos Aires, Argentina ; Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina
| | - Federico Monczor
- Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina, ; Laboratorio de Farmacología de Receptores, Cátedra de Química Medicinal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires Buenos Aires, Argentina
| | - Natalia C Fernández
- Consejo Nacional de Investigaciones Científicas y Técnicas Buenos Aires, Argentina, ; Laboratorio de Farmacología de Receptores, Cátedra de Química Medicinal, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires Buenos Aires, Argentina
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Wifling D, Löffel K, Nordemann U, Strasser A, Bernhardt G, Dove S, Seifert R, Buschauer A. Molecular determinants for the high constitutive activity of the human histamine H4 receptor: functional studies on orthologues and mutants. Br J Pharmacol 2015; 172:785-98. [PMID: 24903527 PMCID: PMC4301689 DOI: 10.1111/bph.12801] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Revised: 05/19/2014] [Accepted: 05/27/2014] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND AND PURPOSE Some histamine H4 receptor ligands act as inverse agonists at the human H4 receptor (hH4 R), a receptor with exceptionally high constitutive activity, but as neutral antagonists or partial agonists at the constitutively inactive mouse H4 receptor (mH4 R) and rat H4 receptor (rH4 R). To study molecular determinants of constitutive activity, H4 receptor reciprocal mutants were constructed: single mutants: hH4 R-F169V, mH4 R-V171F, hH4 R-S179A, hH4 R-S179M; double mutants: hH4 R-F169V+S179A, hH4 R-F169V+S179M and mH4 R-V171F+M181S. EXPERIMENTAL APPROACH Site-directed mutagenesis with pVL1392 plasmids containing hH4 or mH4 receptors were performed. Wild-type or mutant receptors were co-expressed with Gαi2 and Gβ1 γ2 in Sf9 cells. Membranes were studied in saturation and competition binding assays ([(3) H]-histamine), and in functional [(35) S]-GTPγS assays with inverse, partial and full agonists of the hH4 receptor. KEY RESULTS Constitutive activity decreased from the hH4 receptor via the hH4 R-F169V mutant to the hH4 R-F169V+S179A and hH4 R-F169V+S179M double mutants. F169 alone or in concert with S179 plays a major role in stabilizing a ligand-free active state of the hH4 receptor. Partial inverse hH4 receptor agonists like JNJ7777120 behaved as neutral antagonists or partial agonists at species orthologues with lower or no constitutive activity. Some partial and full hH4 receptor agonists showed decreased maximal effects and potencies at hH4 R-F169V and double mutants. However, the mutation of S179 in the hH4 receptor to M as in mH4 receptor or A as in rH4 receptor did not significantly reduce constitutive activity. CONCLUSIONS AND IMPLICATIONS F169 and S179 are key amino acids for the high constitutive activity of hH4 receptors and may also be of relevance for other constitutively active GPCRs. LINKED ARTICLES This article is part of a themed issue on Histamine Pharmacology Update published in volume 170 issue 1. To view the other articles in this issue visit http://onlinelibrary.wiley.com/doi/10.1111/bph.2013.170.issue-1/issuetoc.
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Affiliation(s)
- D Wifling
- Institute of Pharmacy, University of Regensburg, Regensburg, Germany
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Deiteren A, De Man JG, Pelckmans PA, De Winter BY. Histamine H₄ receptors in the gastrointestinal tract. Br J Pharmacol 2015; 172:1165-78. [PMID: 25363289 DOI: 10.1111/bph.12989] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 09/28/2014] [Accepted: 10/20/2014] [Indexed: 12/13/2022] Open
Abstract
Histamine is a well-established mediator involved in a variety of physiological and pathophysiological mechanisms and exerts its effect through activation of four histamine receptors (H1-H₄). The histamine H₄ receptor is the newest member of this histamine receptor family, and is expressed throughout the gastrointestinal tract as well as in the liver, pancreas and bile ducts. Functional studies using a combination of selective and non-selective H₄ receptor ligands have rapidly increased our knowledge of H₄ receptor involvement in gastrointestinal processes both under physiological conditions and in models of disease. Strong evidence points towards a role for H₄ receptors in the modulation of immune-mediated responses in gut inflammation such as in colitis, ischaemia/reperfusion injury, radiation-induced enteropathy and allergic gut reactions. In addition, data have emerged implicating H₄ receptors in gastrointestinal cancerogenesis, sensory signalling, and visceral pain as well as in gastric ulceration. These studies highlight the potential of H₄ receptor targeted therapy in the treatment of various gastrointestinal disorders such as inflammatory bowel disease, irritable bowel syndrome and cancer.
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Affiliation(s)
- A Deiteren
- Laboratory of Experimental Medicine and Pediatrics, Division of Gastroenterology, University of Antwerp, Antwerp, Belgium
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Ohsawa Y, Hirasawa N. The role of histamine H1 and H4 receptors in atopic dermatitis: from basic research to clinical study. Allergol Int 2014; 63:533-42. [PMID: 25249063 DOI: 10.2332/allergolint.13-ra-0675] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Accepted: 06/05/2014] [Indexed: 12/21/2022] Open
Abstract
Histamine plays important roles in inflammation and nervous irritability in allergic disorders, including atopic dermatitis (AD). It has been shown to regulate the expression of pruritic factors, such as nerve growth factor and semaphorin 3A, in skin keratinocytes via histamine H1 receptor (H1R). Furthermore, H1R antagonist reduced the level of IL-31, a cytokine involving the skin barrier and pruritus, in chronic dermatitis lesions in NC/Nga mice and patients with AD. Histamine plays roles in the induction of allergic inflammation by activating eosinophils, mast cells, basophils, and Th2 cells via histamine H4 receptor (H4R). H4R, in addition to H1R, is expressed on sensory neurons, and a decrease in scratching behaviors was observed in H4R-deficient mice and mice treated with a H4R antagonist. We found that the combined administration of H1R and H4R antagonists inhibited the itch response and chronic allergic inflammation, and had a pharmacological effect similar to that of prednisolone. Although the oral administration of H1R antagonists is widely used to treat AD, it is not very effective. In contrast, JNJ39758979, a novel H4R antagonist, had marked effects against pruritus in Japanese patients with AD in a phase II clinical trial. Next generation antihistaminic agents possessing H1R and H4R antagonistic actions may be a potent therapeutic drug for AD.
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MESH Headings
- Animals
- Clinical Trials as Topic
- Dermatitis, Atopic/drug therapy
- Dermatitis, Atopic/genetics
- Dermatitis, Atopic/metabolism
- Disease Models, Animal
- Drug Therapy, Combination
- Histamine Antagonists/administration & dosage
- Histamine Antagonists/therapeutic use
- Histamine H1 Antagonists/administration & dosage
- Histamine H1 Antagonists/therapeutic use
- Humans
- Receptors, G-Protein-Coupled/genetics
- Receptors, G-Protein-Coupled/metabolism
- Receptors, Histamine/genetics
- Receptors, Histamine/metabolism
- Receptors, Histamine H1/genetics
- Receptors, Histamine H1/metabolism
- Receptors, Histamine H4
- Treatment Outcome
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Affiliation(s)
- Yusuke Ohsawa
- Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences, Tohoku University, Miyagi, Japan
| | - Noriyasu Hirasawa
- Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences, Tohoku University, Miyagi, Japan
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49
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Abiuso AMB, Berensztein E, Pagotto RM, Pereyra EN, Medina V, Martinel Lamas DJ, Besio Moreno M, Pignataro OP, Mondillo C. H4 histamine receptors inhibit steroidogenesis and proliferation in Leydig cells. J Endocrinol 2014; 223:241-53. [PMID: 25253872 DOI: 10.1530/joe-14-0401] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The histamine H4 receptor (HRH4), discovered only 13 years ago, is considered a promising drug target for allergy, inflammation, autoimmune disorders and cancer, as reflected by a steadily growing number of scientific publications and patent applications. Although the presence of HRH4 has been evidenced in the testis, its specific localization or its role has not been established. Herein, we sought to identify the possible involvement of HRH4 in the regulation of Leydig cell function. We first evaluated its expression in MA-10 Leydig tumor cells and then assessed the effects of two HRH4 agonists on steroidogenesis and proliferation. We found that HRH4 is functionally expressed in MA-10 cells, and that its activation leads to the inhibition of LH/human chorionic gonadotropin-induced cAMP production and StAR protein expression. Furthermore, we observed decreased cell proliferation after a 24-h HRH4 agonist treatment. We then detected for the sites of HRH4 expression in the normal rat testis, and detected HRH4 immunostaining in the Leydig cells of rats aged 7-240 days, while 21-day-old rats also presented HRH4 expression in male gametes. Finally, we evaluated the effect of HRH4 activation on the proliferation of normal progenitor and immature rat Leydig cell culture, and both proved to be susceptible to the anti-proliferative effect of HRH4 agonists. Given the importance of histamine (2-(1H-imidazol-4-yl)ethanamine) in human (patho)physiology, continued efforts are directed at elucidating the emerging properties of HRH4 and its ligands. This study reveals new sites of HRH4 expression, and should be considered in the design of selective HRH4 agonists for therapeutic purposes.
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MESH Headings
- Animals
- Blotting, Western
- Bucladesine/pharmacology
- Cell Line, Tumor
- Cell Proliferation
- Cells, Cultured
- Chorionic Gonadotropin/pharmacology
- Cyclic AMP/metabolism
- Dose-Response Relationship, Drug
- Guanidines/pharmacology
- Histamine Agonists/pharmacology
- Immunohistochemistry
- Indoles/pharmacology
- Leydig Cells/drug effects
- Leydig Cells/metabolism
- Male
- Microscopy, Confocal
- Oximes/pharmacology
- Phosphoproteins/metabolism
- Progesterone/metabolism
- Rats, Sprague-Dawley
- Receptors, G-Protein-Coupled/agonists
- Receptors, G-Protein-Coupled/metabolism
- Receptors, Histamine/metabolism
- Receptors, Histamine H4
- Testis/metabolism
- Thiourea/analogs & derivatives
- Thiourea/pharmacology
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Affiliation(s)
- Adriana María Belén Abiuso
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Esperanza Berensztein
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Romina María Pagotto
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Elba Nora Pereyra
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Vanina Medina
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Diego José Martinel Lamas
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Marcos Besio Moreno
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Omar Pedro Pignataro
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
| | - Carolina Mondillo
- Laboratory of Molecular Endocrinology and Signal TransductionInstitute of Biology and Experimental Medicine, National Scientific and Technical Research Council (IByME-CONICET), CP 1428 Buenos Aires, ArgentinaResearch LaboratoryEndocrinology Service, Garrahan Pediatric Hospital, CP 1245 Buenos Aires, ArgentinaCell Biology UnitInstitut Pasteur de Montevideo, CP 11400 Montevideo, UruguayLaboratory of RadioisotopesSchool of Pharmacy and Biochemistry, University of Buenos Aires, CP 1113 Buenos Aires, ArgentinaInstitute for Biomedical Research (BIOMED)School of Medical Sciences, Pontifical Catholic University of Argentina, National Scientific and Technical Research Council (UCA-CONICET), CP1107 Buenos Aires, ArgentinaDepartment of Biological ChemistrySchool of Sciences, University of Buenos Aires, CP 1428 Buenos Aires, Argentina
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50
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Feliszek M, Speckmann V, Schacht D, von Lehe M, Stark H, Schlicker E. A search for functional histamine H4 receptors in the human, guinea pig and mouse brain. Naunyn Schmiedebergs Arch Pharmacol 2014; 388:11-7. [PMID: 25300787 DOI: 10.1007/s00210-014-1053-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 09/28/2014] [Indexed: 01/08/2023]
Abstract
Histamine H4 receptors are expressed in immune cells, but their potential role in the brain is less clear. Although H4 transcripts have been identified in human and rat brain, the presence of H4 receptors on the protein level has so far not been proven since appropriate antibodies fulfilling the strict criteria for G protein-coupled receptors are missing. Here, we searched for functional H4 receptors in human, guinea pig and mouse cortex. We studied whether H4 receptor activation is associated with increased GTPγS binding and reduced noradrenaline release. The latter two effects have been previously shown for H3 receptors, which, like the H4 receptors, are coupled to G i/o protein. G protein activation was studied using (35)S-GTPγS binding in cortical membranes. The electrically induced (3)H-noradrenaline release was determined in superfused cortical slices. The H4 agonist 4-methylhistamine failed to affect (35)S-GTPγS binding and/or noradrenaline release in human, guinea pig and mouse cortex although an H 3 receptor-mediated increase in (35)S-GTPγS binding and inhibition of noradrenaline release occurred in parallel experiments. In conclusion, functional H4 receptors increasing (35)S-GTPγS binding and/or decreasing noradrenaline release are not found in human, guinea pig and mouse cortex.
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Affiliation(s)
- Monika Feliszek
- Institut für Pharmakologie und Toxikologie, Universität Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Germany
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