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Favale G, Donnarumma F, Capone V, Della Torre L, Beato A, Carannante D, Verrilli G, Nawaz A, Grimaldi F, De Simone MC, Del Gaudio N, Megchelenbrink WL, Caraglia M, Benedetti R, Altucci L, Carafa V. Deregulation of New Cell Death Mechanisms in Leukemia. Cancers (Basel) 2024; 16:1657. [PMID: 38730609 PMCID: PMC11083363 DOI: 10.3390/cancers16091657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Hematological malignancies are among the top five most frequent forms of cancer in developed countries worldwide. Although the new therapeutic approaches have improved the quality and the life expectancy of patients, the high rate of recurrence and drug resistance are the main issues for counteracting blood disorders. Chemotherapy-resistant leukemic clones activate molecular processes for biological survival, preventing the activation of regulated cell death pathways, leading to cancer progression. In the past decade, leukemia research has predominantly centered around modulating the well-established processes of apoptosis (type I cell death) and autophagy (type II cell death). However, the development of therapy resistance and the adaptive nature of leukemic clones have rendered targeting these cell death pathways ineffective. The identification of novel cell death mechanisms, as categorized by the Nomenclature Committee on Cell Death (NCCD), has provided researchers with new tools to overcome survival mechanisms and activate alternative molecular pathways. This review aims to synthesize information on these recently discovered RCD mechanisms in the major types of leukemia, providing researchers with a comprehensive overview of cell death and its modulation.
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Affiliation(s)
- Gregorio Favale
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Federica Donnarumma
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Vincenza Capone
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Laura Della Torre
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Antonio Beato
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Daniela Carannante
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Giulia Verrilli
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Asmat Nawaz
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
- Biogem, Molecular Biology and Genetics Research Institute, 83031 Ariano Irpino, Italy
| | - Francesco Grimaldi
- Dipartimento di Medicina Clinica e Chirurgia, Divisione di Ematologia, Università degli Studi di Napoli Federico II, 80131 Napoli, Italy;
| | | | - Nunzio Del Gaudio
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Wouter Leonard Megchelenbrink
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands
| | - Michele Caraglia
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
- Biogem, Molecular Biology and Genetics Research Institute, 83031 Ariano Irpino, Italy
| | - Rosaria Benedetti
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
| | - Lucia Altucci
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
- Biogem, Molecular Biology and Genetics Research Institute, 83031 Ariano Irpino, Italy
- Institute of Experimental Endocrinology and Oncology “Gaetano Salvatore” (IEOS)-National Research Council (CNR), 80131 Napoli, Italy
- Programma di Epigenetica Medica, A.O.U. “Luigi Vanvitelli”, 80138 Napoli, Italy
| | - Vincenzo Carafa
- Dipartimento di Medicina di Precisione, Università degli Studi della Campania “Luigi Vanvitelli”, 80138 Napoli, Italy; (G.F.); (F.D.); (V.C.); (L.D.T.); (A.B.); (D.C.); (G.V.); (A.N.); (N.D.G.); (W.L.M.); (M.C.); (R.B.); (L.A.)
- Biogem, Molecular Biology and Genetics Research Institute, 83031 Ariano Irpino, Italy
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Sahores A, González AR, Yaneff A, May M, Gómez N, Monczor F, Fernández N, Davio C, Shayo C. Ceefourin-1, a MRP4/ABCC4 inhibitor, induces apoptosis in AML cells enhanced by histamine. Biochim Biophys Acta Gen Subj 2023; 1867:130322. [PMID: 36773726 DOI: 10.1016/j.bbagen.2023.130322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 01/27/2023] [Accepted: 02/06/2023] [Indexed: 02/12/2023]
Abstract
BACKGROUND Ceefourin-1 is a specific MRP4/ABCC4 inhibitor with potential antileukemic activity. In this study, we evaluate the ability of ceefourin-1 alone or in combination with histamine, an approved antileukemic agent, to induce cell differentiation or apoptosis in human acute myeloid leukemic cells. We also examine ceefourin-1 toxicity in mice. METHODS U937, HL-60, and KG1a cells were used as models for human acute myeloid leukemia. Cyclic AMP efflux was estimated by measuring intracellular and extracellular cAMP levels. Cell differentiation was assessed by levels of CD14 and CD11b by FACS, and CD88 by western blot, and by cell morphology. Apoptosis was evaluated by cleavage of caspase-3 and PARP by western blot, and by annexin V binding assay. Subacute toxicity study of ceefourin-1 was carried out in BALB/c mice. RESULTS Ceefourin-1 inhibits cAMP exclusion in AML cells and promotes intracellular signaling via CREB. Ceefourin-1 leads AML cells to apoptosis and histamine potentiates this effect, without evidence of cell differentiation. Intraperitoneal administration of ceefourin-1 shows no important alterations in mice blood parameters, hepatic, and renal functions, nor signs of histologic damage. CONCLUSIONS These results show that ceefourin-1 promotes apoptosis in AML cells that is enhanced by histamine. GENERAL SIGNIFICANCE This work indicates that ceefourin-1 represents a promising molecule that could be used alone or in combination with histamine for in vivo evaluation in acute myeloid leukemia malignancies.
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Affiliation(s)
- Ana Sahores
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Buenos Aires, Argentina; Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Angela Rodríguez González
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Buenos Aires, Argentina
| | - Agustín Yaneff
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - María May
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Natalia Gómez
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Federico Monczor
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Natalia Fernández
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carlos Davio
- Instituto de Investigaciones Farmacológicas, ININFA - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carina Shayo
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental - Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Buenos Aires, Argentina.
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Fulmali A, Bharate SS. Phosphate moiety in FDA-approved pharmaceutical salts and prodrugs. Drug Dev Res 2022; 83:1059-1074. [PMID: 35656613 DOI: 10.1002/ddr.21953] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 04/12/2022] [Accepted: 05/07/2022] [Indexed: 12/14/2022]
Abstract
The salification and prodrug approaches modulate the physicochemical properties and absorption, distribution, metabolism, excretion, and toxicity parameters of drugs and lead candidates. The "phosphate" is one of the key counterions/promoiety used in the salt formation and prodrug synthesis. Salification with phosphoric acid enhances the aqueous solubility and thereby facilitates the administration of a drug by the parenteral route. Phosphate moiety in prodrug synthesis mainly improves permeability by lipophilic substitution. Histamine phosphate is the first phosphate salt, and hydrocortisone phosphate was the first prodrug approved by FDA in 1939 and 1952, respectively. The orange book enlists 12 phosphate salts and 17 phosphate prodrugs. Phosphate prodrugs, namely combretastatin A-4 diphosphate, combretastatin A-4 phosphate, lufotrelvir, TP-1287, pyridoxal phosphate, riboflavin phosphate, and psilocybin are clinical candidates. This review focuses on the FDA-approved phosphate salts and prodrugs from 1939 to 2021. The biopharmaceutical advantage of phosphate salts and prodrugs over the parent molecule is also deliberated.
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Affiliation(s)
- Ameya Fulmali
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, India
| | - Sonali S Bharate
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai, India
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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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Grauers Wiktorin H, Aydin E, Christenson K, Issdisai N, Thorén FB, Hellstrand K, Martner A. Impact of IL-1β and the IL-1R antagonist on relapse risk and survival in AML patients undergoing immunotherapy for remission maintenance. Oncoimmunology 2021; 10:1944538. [PMID: 34367728 PMCID: PMC8317920 DOI: 10.1080/2162402x.2021.1944538] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Interleukin-1 beta (IL-1β), a pro-inflammatory cytokine, has been ascribed a role in the expansion of myeloid progenitors in acute myeloid leukemia (AML) and in promoting myeloid cell-induced suppression of lymphocyte-mediated immunity against malignant cells. This study aimed at defining the potential impact of IL-1β in the post-remission phase of AML patients receiving immunotherapy for relapse prevention in an international phase IV trial of 84 patients (ClinicalTrials.gov; NCT01347996). Consecutive serum samples were collected from AML patients in first complete remission (CR) who received cycles of relapse-preventive immunotherapy with histamine dihydrochloride (HDC) and low-dose interleukin-2 (IL-2). Low IL-1β serum levels before and after the first HDC/IL-2 treatment cycle favorably prognosticated leukemia-free survival and overall survival. Serum levels of IL-1β were significantly reduced in patients receiving HDC/IL-2. HDC also reduced the formation of IL-1β from activated human PBMCs in vitro. Additionally, high serum levels of the IL-1 receptor antagonist IL-1RA were associated with favorable outcome, and AML patients with low IL-1β along with high IL-1RA levels were strikingly protected against leukemic relapse. Our results suggest that strategies to target IL-1β might impact on relapse risk and survival in AML.
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Affiliation(s)
- Hanna Grauers Wiktorin
- TIMM Laboratory, Sahlgrenska Center for Cancer Research, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Ebru Aydin
- TIMM Laboratory, Sahlgrenska Center for Cancer Research, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden.,Molecular Genetics, Germany Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Karin Christenson
- TIMM Laboratory, Sahlgrenska Center for Cancer Research, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden.,Department of Oral Microbiology and Immunology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Nuttida Issdisai
- TIMM Laboratory, Sahlgrenska Center for Cancer Research, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Fredrik B Thorén
- TIMM Laboratory, Sahlgrenska Center for Cancer Research, Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Kristoffer Hellstrand
- TIMM Laboratory, Sahlgrenska Center for Cancer Research, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Anna Martner
- TIMM Laboratory, Sahlgrenska Center for Cancer Research, Department of Infectious Diseases, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Sweden
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Histamine H 2 receptor radioligands: triumphs and challenges. Future Med Chem 2021; 13:1073-1081. [PMID: 33906421 DOI: 10.4155/fmc-2021-0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Since the discovery of the histamine H2 receptor (H2R), radioligands were among the most powerful tools to investigate its role and function. Initially, radiolabeling was used to investigate human and rodent tissues regarding their receptor expression. Later, radioligands gained increasing significance as pharmacological tools in in vitro assays. Although tritium-labeling was mainly used for this purpose, labeling with carbon-14 is preferred for metabolic studies of drug candidates. After the more-or-less successful application of numerous labeled H2R antagonists, the recent development of the G protein-biased radioligand [3H]UR-KAT479 represents another step forward to elucidate the widely unknown role of the H2R in the central nervous system through future studies.
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Kaser EC, Zhao L, D'mello KP, Zhu Z, Xiao H, Wakefield MR, Bai Q, Fang Y. The role of various interleukins in acute myeloid leukemia. Med Oncol 2021; 38:55. [PMID: 33835290 DOI: 10.1007/s12032-021-01498-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 03/14/2021] [Indexed: 11/29/2022]
Abstract
Interleukins are signaling molecules involved in the immune system, and they play a variety of roles in different diseases and cancers. Acute myeloid leukemia (AML) is the most common type of leukemia in adults, and survival rate after diagnosis is very low. Investigating the role interleukins play in AML can help understand the progression of the disease. There exists a need for more effective treatment of AML. Interleukins can be used to guide immunotherapy for AML. This review article will examine how specific interleukins play a role in AML disease progression and how they can be utilized as a future treatment option.
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Affiliation(s)
- Erin C Kaser
- Department of Microbiology, Immunology and Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, 50312, USA
| | - Lei Zhao
- The Department of Respiratory Medicine, The 2nd People's Hospital of Hefei and Hefei Hospital Affiliated to Anhui Medical University, Hefei, China
| | - Kyle P D'mello
- Department of Microbiology, Immunology and Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, 50312, USA
| | - Ziwen Zhu
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, 65212, USA
| | - Huaping Xiao
- Department of Microbiology, Immunology and Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, 50312, USA.,The Affiliated Hospital of Xiangnan University, Chenzhou, Hunan, China
| | - Mark R Wakefield
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, 65212, USA
| | - Qian Bai
- Department of Surgery, University of Missouri School of Medicine, Columbia, MO, 65212, USA
| | - Yujiang Fang
- Department of Microbiology, Immunology and Pathology, Des Moines University College of Osteopathic Medicine, Des Moines, IA, 50312, USA. .,Department of Surgery, University of Missouri School of Medicine, Columbia, MO, 65212, USA.
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Rodríguez González A, Sahores A, Díaz-Nebreda A, Yaneff A, Di Siervi N, Gómez N, Monczor F, Fernández N, Davio C, Shayo C. MRP4/ABCC4 expression is regulated by histamine in acute myeloid leukemia cells, determining cAMP efflux. FEBS J 2020; 288:229-243. [PMID: 32333821 DOI: 10.1111/febs.15344] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 03/02/2020] [Accepted: 04/22/2020] [Indexed: 12/14/2022]
Abstract
Intracellular cAMP (i-cAMP) levels play an important role in acute myeloid leukemia (AML) cell proliferation and differentiation. Its levels are the result of cAMP production, degradation, and exclusion. We have previously described histamine H2 receptors and MRP4/ABCC4 as two potential targets for AML therapy. Acting through histamine H2 receptors, histamine increases cAMP production/synthesis, while MRP4/ABCC4 is responsible for the exclusion of this cyclic nucleotide. In this study, we show that histamine treatment induces MRP4/ABCC4 expression, augmenting cAMP efflux, and that histamine, in combination with MRP inhibitors, is able to reduce AML cell proliferation. Histamine, through histamine H2 receptor, increases i-cAMP levels and induces MRP4 transcript and protein levels in U937, KG1a, and HL-60 cells. Moreover, histamine induces MRP4 promoter activity in HEK293T cells transfected with histamine H2 receptor (HEK293T-H2 R). Our results support that the cAMP/Epac-PKA pathway, and not MEK/ERK nor PI3K/AKT signaling cascades, is involved in histamine-mediated upregulation of MRP4 levels. Finally, the addition of histamine potentiates the inhibition of U937, KG1a, and HL-60 cell proliferation induced by MRP4 inhibitors. Our data highlight that the use of a poly-pharmacological approach aimed at different molecular targets would be beneficial in AML treatment.
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Affiliation(s)
| | - Ana Sahores
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Antonela Díaz-Nebreda
- Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
| | - Agustín Yaneff
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Nicolás Di Siervi
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Natalia Gómez
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Federico Monczor
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Natalia Fernández
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Carlos Davio
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina
| | - Carina Shayo
- Instituto de Biología y Medicina Experimental (IBYME-CONICET), Buenos Aires, Argentina
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Massari NA, Nicoud MB, Medina VA. Histamine receptors and cancer pharmacology: an update. Br J Pharmacol 2020; 177:516-538. [PMID: 30414378 PMCID: PMC7012953 DOI: 10.1111/bph.14535] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/26/2018] [Accepted: 10/23/2018] [Indexed: 12/25/2022] Open
Abstract
In the present review, we will discuss the recent advances in the understanding of the role of histamine and histamine receptors in cancer biology. The controversial role of the histaminergic system in different neoplasias including gastric, colorectal, oesophageal, oral, pancreatic, liver, lung, skin, blood and breast cancers will be reviewed. The expression of histamine receptor subtypes, with special emphasis on the histamine H4 receptor, in different cell lines and human tumours, the signal transduction pathways and the associated biological responses as well as the in vivo treatment of experimental tumours with pharmacological ligands will be described. The presented evidence demonstrates that histamine regulates cancer-associated biological processes during cancer development in multiple cell types, including neoplastic cells and cells in the tumour micro-environment. The outcome will depend on tumour cell type, the level of expression of histamine receptors, signal transduction associated with these receptors, tumour micro-environment and histamine metabolism, reinforcing the complexity of cancer disease. Findings show the pivotal role of H4 receptors in the development and progression of many types of cancers, and considering its immunomodulatory properties, the H4 receptor appears to be the most promising molecular therapeutic target for cancer treatment within the histamine receptor family. Furthermore, the H4 receptor is differentially expressed in tumours compared with normal tissues, and in most cancer types in which data are available, H4 receptor expression is associated with clinicopathological characteristics, suggesting that H4 receptors might represent a novel cancer biomarker. LINKED ARTICLES: This article is part of a themed section on New Uses for 21st Century. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.3/issuetoc.
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Affiliation(s)
- Noelia A Massari
- Department of Immunology, School of Natural and Health SciencesNational University of Patagonia San Juan BoscoComodoro RivadaviaArgentina
| | - Melisa B Nicoud
- Laboratory of Tumor Biology and Inflammation, Institute for Biomedical Research (BIOMED), School of Medical SciencesPontifical Catholic University of Argentina (UCA), 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), National Scientific and Technical Research Council (CONICET)Buenos AiresArgentina
- Laboratory of Radioisotopes, School of Pharmacy and BiochemistryUniversity of Buenos AiresBuenos AiresArgentina
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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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11
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Abstract
Cytokines signal through specific cell surface receptors to broadly regulate immune development, differentiation, proliferation, and survival, thereby influencing cellular fate and function. Accordingly, cytokines are potential therapeutic targets for modulation of immune responses. Indeed, over the last several decades, an increasing number of cytokine-based clinical trials have been performed, collectively using either recombinant forms of cytokines or blocking agents that modulate the actions of cytokines. The pleiotropic actions of cytokines, including their abilities to mediate both inflammatory and protective immune responses, indicate that using or targeting cytokines can have desired but also potentially undesirable effects. Here, we focus on the immunomodulatory cytokine, IL-2. We review the underlying basic science related to IL-2 and its biologic actions, discuss the current state of IL-2-based immunotherapy, and focus on emerging concepts of modulating the activities of this cytokine, including the generation of novel partial cytokine agonists as new potential therapeutics.
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Affiliation(s)
- Suman Mitra
- Respiratory, Inflammatory and Autoimmune Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Gothenburg, Sweden
| | - Warren J Leonard
- Laboratory of Molecular Immunology and the Immunology Center, National Heart, Lung, and Blood Institute, NIH, Bethesda, Maryland, USA
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12
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Monczor F, Copsel S, Fernandez N, Davio C, Shayo C. Histamine H 2 Receptor in Blood Cells: A Suitable Target for the Treatment of Acute Myeloid Leukemia. Handb Exp Pharmacol 2017; 241:141-160. [PMID: 27316911 DOI: 10.1007/164_2016_8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Acute myeloid leukemia (AML) consists in a cancer of early hematopoietic cells arising in the bone marrow, most often of those cells that would turn into white blood cells (except lymphocytes). Chemotherapy is the treatment of choice for AML but one of the major complications is that current drugs are highly toxic and poorly tolerated. In general, treatment for AML consists of induction chemotherapy and post-remission therapy. If no further post-remission is given, almost all patients will eventually relapse. Histamine, acting at histamine type-2 (H2) receptors on phagocytes and AML blast cells, helps prevent the production and release of oxygen-free radicals, thereby protecting NK and cytotoxic T cells. This protection allows immune-stimulating agents, such as interleukin-2 (IL-2), to activate cytotoxic cells more effectively, enhancing the killing of tumor cells. Based on this mechanism, post-remission therapy with histamine and IL-2 was found to significantly prevent relapse of AML. Alternatively, another potentially less toxic approach to treat AML employs drugs to induce differentiation of malignant cells. It is based on the assumption that many neoplastic cell types exhibit reversible defects in differentiation, which upon appropriate treatment results in tumor reprogramming and the induction of terminal differentiation. There are promissory results showing that an elevated and sustained signaling through H2 receptors is able to differentiate leukemia-derived cell lines, opening the door for the use of H2 agonists for specific differentiation therapies. In both situations, histamine acting through H2 receptors constitutes an eligible treatment to induce leukemic cell differentiation, improving combined therapies.
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Affiliation(s)
- Federico Monczor
- Instituto de Investigaciones Farmacológicas, ININFA, Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Junín 956 PP, (1113), Buenos Aires, Argentina.
| | - Sabrina Copsel
- Microbiology and Immunology Department, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Natalia Fernandez
- Instituto de Investigaciones Farmacológicas, ININFA, Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Junín 956 PP, (1113), Buenos Aires, Argentina
| | - Carlos Davio
- Instituto de Investigaciones Farmacológicas, ININFA, Universidad de Buenos Aires-Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Junín 956 PP, (1113), Buenos Aires, Argentina
| | - Carina Shayo
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental, CONICET, Buenos Aires, Argentina
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13
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Monczor F, Fernandez N. Current Knowledge and Perspectives on Histamine H1 and H2 Receptor Pharmacology: Functional Selectivity, Receptor Crosstalk, and Repositioning of Classic Histaminergic Ligands. Mol Pharmacol 2016; 90:640-648. [PMID: 27625037 DOI: 10.1124/mol.116.105981] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 09/12/2016] [Indexed: 12/14/2022] Open
Abstract
H1 and H2 histamine receptor antagonists, although developed many decades ago, are still effective for the treatment of allergic and gastric acid-related conditions. This article focuses on novel aspects of the pharmacology and molecular mechanisms of histamine receptors that should be contemplated for optimizing current therapies, repositioning histaminergic ligands for new therapeutic uses, or even including agonists of the histaminergic system in the treatment of different pathologies such as leukemia or neurodegenerative disorders. In recent years, new signaling phenomena related to H1 and H2 receptors have been described that make them suitable for novel therapeutic approaches. Crosstalk between histamine receptors and other membrane or nuclear receptors can be envisaged as a way to modulate other signaling pathways and to potentiate the efficacy of drugs acting on different receptors. Likewise, biased signaling at histamine receptors seems to be a pharmacological feature that can be exploited to investigate nontraditional therapeutic uses for H1 and H2 biased agonists in malignancies such as acute myeloid leukemia and to avoid undesired side effects when used in standard treatments. It is hoped that the molecular mechanisms discussed in this review contribute to a better understanding of the different aspects involved in histamine receptor pharmacology, which in turn will contribute to increased drug efficacy, avoidance of adverse effects, or repositioning of histaminergic ligands.
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Affiliation(s)
- Federico Monczor
- Instituto de Investigaciones Farmacológicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Natalia Fernandez
- Instituto de Investigaciones Farmacológicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Buenos Aires, Argentina
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Austin R, Smyth MJ, Lane SW. Harnessing the immune system in acute myeloid leukaemia. Crit Rev Oncol Hematol 2016; 103:62-77. [DOI: 10.1016/j.critrevonc.2016.04.020] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 02/13/2016] [Accepted: 04/28/2016] [Indexed: 12/13/2022] Open
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Li J, Huang X, Wang Q, Jing S, Jiang H, Wei Z, Zang Y, Liu Y, Zhao L, Fang Y, Feng W. Pharmacokinetic properties and safety profile of histamine dihydrochloride injection in Chinese healthy volunteers: a phase I, single-center, open-label, randomized study. Clin Ther 2015; 37:2352-64. [PMID: 26276501 DOI: 10.1016/j.clinthera.2015.07.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 07/17/2015] [Accepted: 07/21/2015] [Indexed: 12/28/2022]
Abstract
PURPOSE Histamine dihydrochloride (HDC) injection has been approved in Europe for the treatment of adults with acute myeloid leukemia, used in combination therapy with the T-cell-derived cytokine interleukin-2. Despite years of clinical applications of HDC in Europe, no data are available on its tolerability and pharmacokinetic properties in Chinese patients. The objective of this study was to determine the safety profile and pharmacokinetic properties of HDC in Chinese healthy volunteers (HVs). METHODS In this Phase I, single-center, open-label, randomized study, 20 Chinese HVs were randomized to receive a single dose of 0.5 or 1.0 mg HDC via a 10-minute subcutaneous injection. Whole-blood and urine samples were collected at designated time points after dosing. Plasma and urine concentrations of histamine and metabolite N-methyl histamine were measured using a validated HPLC-MS/MS method. Pharmacokinetic parameters were estimated through noncompartmental procedures based on concentration-time data. Adverse events and evaluation of clinical laboratory tests were used to assess the safety profile. The pharmacokinetic profile for a single-dose of 1.0 mg HDC in Chinese HVs was compared with that in Western HVs. FINDINGS No severe adverse events occurred in this study, and the severity of all adverse events was grade I according to the Common Terminology Criteria for Adverse Events, version 4.0. For the pharmacokinetic parameters of histamine at the 0.5-mg and 1.0-mg dose levels, t½ was 0.50 and 1.02 hours; Tmax was 0.15 and 0.14 hours; mean Cmax was 26.59 and 71.01 nmol/L; AUC0-t was 8.35 and 20.43 nmol/h/L; AUC0-∞ was 9.61 and 22.69 nmol/h/L; accumulated amount excreted in urine within 24 hours was 125.93 and 145.52 nmol; and maximum urine excretion rates were 21.85 and 38.94 nmol/h, respectively. For N-methyl histamine at the 0.5-mg and 1.0-mg dose levels, t½ was 0.58 and 0.66 hours; Tmax was 0.28 and 0.26 hours; mean Cmax was 17.01 and 23.54 nmol/L; AUC0-t was 7.72 and 17.08 nmol/h/L; AUC0-∞ was 9.01 and 19.62 nmol/h/L; accumulated amount excreted in urine within 24 hours was 331.7 and 583.21 nmol; and maximum urine excretion rates were 53.29 and 133.53 nmol/h, respectively. IMPLICATIONS Both single-dose 0.5 mg and 1.0 mg HDC were well tolerated in Chinese HVs, and the pharmacokinetic profile of HDC in Chinese HVs was characterized in this study. A single dose of 1.0 mg HDC had a more rapid but similar extent of absorption, a wider distribution, and a little more rapid elimination in Chinese HVs compared with Western HVs. Findings from this study support additional clinical trials for HDC using in Chinese patients. Chinese Clinical Trial Registry identifier: ChiCTR-ONC-13003954.
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Affiliation(s)
- Jiapeng Li
- Department of Pharmacy, Peking University People's Hospital, Beijing, China
| | - Xiaojun Huang
- Peking University Institute of Hematology, Peking University People's Hospital, Beijing, China
| | - Qian Wang
- Department of Pharmacy, Peking University People's Hospital, Beijing, China
| | - Shan Jing
- Drug Clinical Trial Institute, Peking University People's Hospital, Beijing, China
| | - Hao Jiang
- Peking University Institute of Hematology, Peking University People's Hospital, Beijing, China
| | - Zhongna Wei
- Department of Pharmacy, Peking University People's Hospital, Beijing, China
| | - Yannan Zang
- Department of Pharmacy, Peking University People's Hospital, Beijing, China
| | - Yang Liu
- Department of Pharmacy, Peking University People's Hospital, Beijing, China
| | - Libo Zhao
- Department of Pharmacy, Peking University People's Hospital, Beijing, China.
| | - Yi Fang
- Department of Pharmacy, Peking University People's Hospital, Beijing, China.
| | - Wanyu Feng
- Department of Pharmacy, Peking University People's Hospital, Beijing, China
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16
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Werner K, Kälble S, Wolter S, Schneider EH, Buschauer A, Neumann D, Seifert R. Flow cytometric analysis with a fluorescently labeled formyl peptide receptor ligand as a new method to study the pharmacological profile of the histamine H2 receptor. Naunyn Schmiedebergs Arch Pharmacol 2015; 388:1039-52. [PMID: 26021872 DOI: 10.1007/s00210-015-1133-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 05/18/2015] [Indexed: 01/14/2023]
Abstract
The histamine H2 receptor (H2R) is a Gs protein-coupled receptor. Its activation leads to increases in the second messenger adenosine-3',5'-cyclic monophosphate (cAMP). Presently, several systems are established to characterize the pharmacological profile of the H2R, mostly requiring radioactive material, animal models, or human blood cells. This prompted us to establish a flow cytometric analysis with a fluorescently labeled formyl peptide receptor (FPR) ligand in order to investigate the H2R functionally and pharmacologically. First, we stimulated U937 promonocytes, which mature in a cAMP-dependent fashion upon H2R activation, with histamine (HA) or selective H2R agonists and measured increases in cAMP concentrations by mass spectrometry. Next, indicative for the maturation of U937 promonocytes, we assessed the FPR expression upon incubation with HA or H2R agonists. FPR expression was measured either indirectly by formyl peptide-induced changes in intracellular calcium concentrations ([Ca(2+)]i) or directly with the fluorescein-labeled FPR ligand fNleLFNleYK-Fl. HA and H2R agonists concentration-dependently induced FPR expression, and potencies and efficacies of fMLP-induced increases in [Ca(2+)]i and FPR density correlated linearly. Accordingly, flow cytometric analysis of FPR expression constitutes a simple, inexpensive, sensitive, and reliable method to characterize the H2R pharmacologically. Furthermore, we evaluated FPR expression at the mRNA level. Generally, quantitative real-time polymerase chain reaction confirmed functional data. Additionally, our study supports the concept of functional selectivity of the H2R, since we observed dissociations in the efficacies of HA and H2R agonists in cAMP accumulation and FPR expression.
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Affiliation(s)
- Kristin Werner
- Institute of Pharmacology, Hannover Medical School, Carl-Neuberg-Straße 1, 30625, Hannover, Germany
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17
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Optimal therapy for adult patients with acute myeloid leukemia in first complete remission. Curr Treat Options Oncol 2015; 15:171-86. [PMID: 24792016 DOI: 10.1007/s11864-014-0281-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Although it is absolutely clear that postremission therapy is currently necessary to obtain disease-free long-term survivorship for patients with acute myeloid leukemia (AML) in first complete remission (CR), it is not entirely clear what form that treatment should take. High-dose cytarabine is clearly effective and there definitely is a dose-response relationship for cytarabine and remission duration. High-dose cytarabine is effective for younger patients but not elderly patients. It is effective for patients with favorable cytogenetics but it is not clear whether it is effective for patients with intermediate or unfavorable cytogenetics. Furthermore, it is not clear what the most effective and least toxic dose and schedule of high-dose cytarabine is.
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Dimeric carbamoylguanidine-type histamine H2 receptor ligands: A new class of potent and selective agonists. Bioorg Med Chem 2015; 23:3957-69. [PMID: 25639885 DOI: 10.1016/j.bmc.2015.01.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Revised: 12/21/2014] [Accepted: 01/07/2015] [Indexed: 11/23/2022]
Abstract
The bioisosteric replacement of the acylguanidine moieties in dimeric histamine H2 receptor (H2R) agonists by carbamoylguanidine groups resulted in compounds with retained potencies and intrinsic activities, but considerably improved stability against hydrolytic cleavage. These compounds achieved up to 2500 times the potency of histamine when studied in [(35)S]GTPγS assays on recombinant human and guinea pig H2R. Unlike 3-(imidazol-4-yl)propyl substituted carbamoylguanidines, the corresponding 2-amino-4-methylthiazoles revealed selectivity over histamine receptor subtypes H1R, H3R and H4R in radioligand competition binding studies. H2R binding studies with three fluorescent compounds and one tritium-labeled ligand, synthesized from a chain-branched precursor, failed due to pronounced cellular accumulation and high non-specific binding. However, the dimeric H2R agonists proved to be useful pharmacological tools for functional studies on native cells, as demonstrated for selected compounds by cAMP accumulation and inhibition of fMLP-stimulated generation of reactive oxygen species in human monocytes.
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Ye ZW, Zhang J, Townsend DM, Tew KD. Oxidative stress, redox regulation and diseases of cellular differentiation. Biochim Biophys Acta Gen Subj 2014; 1850:1607-21. [PMID: 25445706 DOI: 10.1016/j.bbagen.2014.11.010] [Citation(s) in RCA: 154] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 10/31/2014] [Accepted: 11/10/2014] [Indexed: 12/18/2022]
Abstract
BACKGROUND Within cells, there is a narrow concentration threshold that governs whether reactive oxygen species (ROS) induce toxicity or act as second messengers. SCOPE OF REVIEW We discuss current understanding of how ROS arise, facilitate cell signaling, cause toxicities and disease related to abnormal cell differentiation and those (primarily) sulfur based pathways that provide nucleophilicity to offset these effects. PRIMARY CONCLUSIONS Cellular redox homeostasis mediates a plethora of cellular pathways that determine life and death events. For example, ROS intersect with GSH based enzyme pathways to influence cell differentiation, a process integral to normal hematopoiesis, but also affecting a number of diverse cell differentiation related human diseases. Recent attempts to manage such pathologies have focused on intervening in some of these pathways, with the consequence that differentiation therapy targeting redox homeostasis has provided a platform for drug discovery and development. GENERAL SIGNIFICANCE The balance between electrophilic oxidative stress and protective biomolecular nucleophiles predisposes the evolution of modern life forms. Imbalances of the two can produce aberrant redox homeostasis with resultant pathologies. Understanding the pathways involved provides opportunities to consider interventional strategies. This article is part of a Special Issue entitled Redox regulation of differentiation and de-differentiation.
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Affiliation(s)
- Zhi-Wei Ye
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, 70 President St., DD410, Charleston, SC 29425, USA
| | - Jie Zhang
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, 70 President St., DD410, Charleston, SC 29425, USA
| | - Danyelle M Townsend
- Department of Pharmaceutical and Biomedical Sciences, Medical University of South Carolina, 274 Calhoun Street MSC 141, Charleston, SC 29425-1410, USA
| | - Kenneth D Tew
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, 70 President St., DD410, Charleston, SC 29425, USA.
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Werner K, Neumann D, Seifert R. Analysis of the histamine H2-receptor in human monocytes. Biochem Pharmacol 2014; 92:369-79. [DOI: 10.1016/j.bcp.2014.08.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/24/2014] [Accepted: 08/25/2014] [Indexed: 01/16/2023]
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21
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Li Y. T-cell immune suppression in patients with hematologic malignancies: clinical implications. Int J Hematol Oncol 2014. [DOI: 10.2217/ijh.14.23] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
SUMMARY The reversion of immune suppression and restoration of T-cell function against leukemia remains a significant clinical challenge. However, the advent of improved antileukemia-specific T-cell induction and the generation of gene-modified T cells has extended cellular immunotherapy to hematological malignancies. Numerous immunotherapeutic protocols have been developed aiming to enhance antileukemia T-cell immune function, eliminate leukemic cells and prevent relapse. By contrast, abnormal expression of CTLA-4 and PD1/PD-L1 plays a critical role in effector T-cell responses and increases Treg suppressive activity in patients with tumors; therefore, blocking CTLA-4, PD1 and PD-L1 is a novel approach for immunotherapy.
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Mao Y, Poschke I, Kiessling R. Tumour-induced immune suppression: role of inflammatory mediators released by myelomonocytic cells. J Intern Med 2014; 276:154-70. [PMID: 24597954 DOI: 10.1111/joim.12229] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Tumour-induced immune dysfunction is a serious challenge to immunotherapy for cancer, and intact adaptive and innate cellular immunity is key to its success. Myelomonocytic cells have a central role in this immune suppression, and tumour-associated macrophages, eosinophils, neutrophils and myeloid-derived suppressor cells have all been shown to be of major importance. These myelomonocytic cells secrete a broad repertoire of inflammatory mediators providing them with powerful tools to inhibit tumour-reactive T cells and natural killer cells; free oxygen radicals including reactive oxygen species and NO, arginase, indoleamine 2,3-dioxygenase, prostaglandins, the pro-inflammatory heterodimer S100A8/9 and cytokines, such as granulocyte-macrophage colony-stimulating factor and transforming growth factor-β, have proven particularly potent in suppressing antitumour cellular immunity. Determining which of these factors prevail in individual cancer patients and designing methods aimed at neutralization or inhibition of their effects on target tissues have the potential to greatly enhance the clinical efficacy of immunotherapy.
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Affiliation(s)
- Y Mao
- Department of Oncology-Pathology, Cancer Center Karolinska, Karolinska Institutet, Stockholm, Sweden
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23
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Wang Y, Jiang Y, Ikeda JI, Tian T, Sato A, Ohtsu H, Morii E. Roles of histamine on the expression of aldehyde dehydrogenase 1 in endometrioid adenocarcinoma cell line. Cancer Med 2014; 3:1126-35. [PMID: 25045085 PMCID: PMC4302664 DOI: 10.1002/cam4.296] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2014] [Revised: 05/11/2014] [Accepted: 06/11/2014] [Indexed: 01/06/2023] Open
Abstract
Cancer-initiating cells (CICs) are a limited number of cells that are essential for maintenance, recurrence, and metastasis of tumors. Aldehyde dehydrogenase 1 (ALDH1) has been recognized as a marker of CICs. We previously reported that ALDH1-high cases of uterine endometrioid adenocarcinoma showed poor prognosis, and that ALDH1 high population was more tumorigenic, invasive, and resistant to apoptosis than ALDH1 low population. Histamine plays a critical role in cancer cell proliferation, migration, and invasion. Here, we examined the effect of histamine on ALDH1 expression in endometrioid adenocarcinoma cell line. The addition of histamine increased ALDH1 high population, which was consistent with the result that histamine enhanced the invasive ability and the resistance to anticancer drug. Among 4 types of histamine receptors, histamine H1 and H2 receptor (H1R and H2R) were expressed in endometrioid adenocarcinoma cell line. The addition of H1R agonist but not H2R agonist increased ALDH1. The antagonist H1R but not H2R inhibited the effect of histamine on ALDH1 expression. These results indicated that histamine increased the expression of ALDH1 via H1R but not H2R. These findings may provide the evidence for exploring a new strategy to suppress CICs by inhibiting ALDH1 expression with histamine.
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Affiliation(s)
- Yi Wang
- Department of Pathology, Osaka University Graduate School of Medicine, Yamada-oka 2-2, Suita, 565-0871, Japan
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Akhiani AA, Werlenius O, Aurelius J, Movitz C, Martner A, Hellstrand K, Thorén FB. Role of the ERK pathway for oxidant-induced parthanatos in human lymphocytes. PLoS One 2014; 9:e89646. [PMID: 24586933 PMCID: PMC3931820 DOI: 10.1371/journal.pone.0089646] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Accepted: 01/26/2014] [Indexed: 01/12/2023] Open
Abstract
Reactive oxygen species (ROS) are formed by myeloid cells as a defense strategy against microorganisms. ROS however also trigger poly(ADP-ribose) polymerase 1- (PARP-1) dependent cell death (parthanatos) in adjacent lymphocytes, which has been forwarded as a mechanism of immune escape in several forms of cancer. The present study assessed the role of mitogen-activated protein kinases (MAPKs), in particular the extracellular signal-regulated kinase (ERK), in ROS-induced signal transduction leading to lymphocyte parthanatos. We report that inhibitors of ERK1/2 phosphorylation upheld natural killer (NK) cell-mediated cytotoxicity under conditions of oxidative stress and rescued NK cells and CD8+ T lymphocytes from cell death induced by ROS-producing monocytes. ERK1/2 phosphorylation inhibition also protected lymphocytes from cell death induced by exogenous hydrogen peroxide (H2O2) and from ROS generated by xanthine oxidase or glucose oxidase. Phosphorylation of ERK1/2 was observed in lymphocytes shortly after exposure to ROS. ROS-generating myeloid cells and exogenous H2O2 triggered PARP 1-dependent accumulation of poly ADP-ribose (PAR), which was prevented by ERK pathway inhibitors. ERK1/2 phosphorylation was induced by ROS independently of PARP-1. Our findings are suggestive of a role for ERK1/2 in ROS-induced lymphocyte parthanatos, and that the ERK axis may provide a therapeutic target for the protection of lymphocytes against oxidative stress.
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Affiliation(s)
- Ali A. Akhiani
- Sahlgrenska Cancer Center, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Olle Werlenius
- Sahlgrenska Cancer Center, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Sahlgrenska Cancer Center, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Johan Aurelius
- Sahlgrenska Cancer Center, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Charlotta Movitz
- Sahlgrenska Cancer Center, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anna Martner
- Sahlgrenska Cancer Center, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kristoffer Hellstrand
- Sahlgrenska Cancer Center, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- * E-mail:
| | - Fredrik B. Thorén
- Sahlgrenska Cancer Center, Institute of Biomedicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Martner A, Thorén FB, Aurelius J, Hellstrand K. Immunotherapeutic strategies for relapse control in acute myeloid leukemia. Blood Rev 2013; 27:209-16. [PMID: 23871358 DOI: 10.1016/j.blre.2013.06.006] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Despite that the initial phases of chemotherapy induce disappearance of leukemic cells in many patients with acute myeloid leukemia (AML), the prevention of life-threatening relapses in the post-remission phase remains a significant clinical challenge. Allogeneic bone marrow transplantation, which is available for a minority of patients, efficiently prevents recurrences of leukemia by inducing immune-mediated elimination of leukemic cells, and over the past decades, numerous immunotherapeutic protocols have been developed aiming to mimic the graft-versus-leukemia reaction for the prevention of relapse. Here we review past and present strategies for relapse control with focus on overcoming leukemia-related immunosuppression in AML. We envisage future treatment protocols, in which systemic immune activators, such as vaccines, dendritic cell-based therapies, engineered variants of IL-2, or IL-15, are combined with agents that counter immunosuppression mediated by, e.g., the PD/PDL interaction, CTLA-4, CD200, reactive oxygen species, IDO expression, CXCR4, or the KIR/class I interaction, based on characteristics of the prevailing malignant clone. This combinatorial approach may pave the way for individualized immunotherapy in AML.
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Affiliation(s)
- Anna Martner
- Sahlgrenska Cancer Center, University of Gothenburg, Box 405, 40530 Gothenburg, Sweden
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Zhou F, Shen Q, Claret FX. Novel roles of reactive oxygen species in the pathogenesis of acute myeloid leukemia. J Leukoc Biol 2013; 94:423-9. [PMID: 23715741 DOI: 10.1189/jlb.0113006] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
It has become apparent that regulation of ROS is important in cell signaling and homeostasis. Accumulation of ROS triggers oxidative stress in various cell types and contributes to the development, progression, and persistence of cancer. Recent research has demonstrated that redox dysregulation caused by ROS promotes proliferation, differentiation, genomic, and epigenetic alterations; immune evasion; and survival in leukemic cells. ROS act as signaling molecules to regulate redox-sensitive transcriptional factors, enzymes, oncogenes, and other downstream effectors. Thus, a thorough understanding the role of ROS as key mediators in leukemogenesis is likely to provide opportunities for improved pharmacological intervention. In this review, we summarize the recent findings that support a role for ROS in the pathogenesis of AML and outline innovative approaches in the implementation of redox therapies for myeloid malignancies.
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Affiliation(s)
- Fuling Zhou
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Reher TM, Brunskole I, Neumann D, Seifert R. Evidence for ligand-specific conformations of the histamine H(2)-receptor in human eosinophils and neutrophils. Biochem Pharmacol 2012; 84:1174-85. [PMID: 22922404 DOI: 10.1016/j.bcp.2012.08.014] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 08/16/2012] [Accepted: 08/17/2012] [Indexed: 01/18/2023]
Abstract
The histamine H(2)-receptor (H(2)R) couples to G(S)-proteins and induces adenylyl cyclase-mediated cAMP accumulation. In human neutrophils and eosinophils, the H(2)R reduces chemotactic peptide-stimulated superoxide anion (O(2)(-)) formation. However, pharmacological characterization of the H(2)R in these cells is far from being complete. The aim of this study was to provide a comprehensive profiling of the H(2)R in neutrophils and eosinophils. Histamine inhibited O(2)(-) formation in human neutrophils more effectively than in eosinophils. H(2)R agonists mimicked the effects of histamine and H(2)R antagonists blocked the effects of histamine. We noticed multiple discrepancies in the potencies and efficacies of H(2)R agonists with respect to cAMP accumulation and inhibition of O(2)(-) formation in both cell types. There were also differences in the antagonist profiles between cAMP accumulation and inhibition of O(2)(-) formation in neutrophils. Moreover, the pharmacological profile of the recombinant H(2)R did not match the H(2)R profile in native cells. The H(2)R sequence identified in human neutrophils corresponds to the published H(2)R sequence, excluding the exclusive expression of a new H(2)R isoform as explanation for the differences. Very likely, the differences between ligands are explained by the existence of ligand-specific receptor conformations with unique affinities, potencies and efficacies. Thus, our data provide evidence for the notion that the concept of ligand-specific receptor conformations can be extended from recombinant systems to native cells.
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Affiliation(s)
- Till M Reher
- Institute of Pharmacology, Hannover Medical School, D-30625 Hannover, Germany
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Aurelius J, Martner A, Brune M, Palmqvist L, Hansson M, Hellstrand K, Thoren FB. Remission maintenance in acute myeloid leukemia: impact of functional histamine H2 receptors expressed by leukemic cells. Haematologica 2012; 97:1904-8. [PMID: 22689678 DOI: 10.3324/haematol.2012.066399] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Post-consolidation immunotherapy with histamine dihydrochloride and interleukin-2 has been shown to improve leukemia-free survival in acute myeloid leukemia in a phase III trial. For this study, treatment efficacy was determined among 145 trial patients with morphological forms of acute myeloid leukemia as defined by the French-American-British classification. Leukemia-free survival was strongly improved in M4/M5 (myelomonocytic/monocytic) leukemia but not in M2 (myeloblastic) leukemia. We also analyzed histamine H(2) receptor expression by leukemic cells recovered from 26 newly diagnosed patients. H(2) receptors were typically absent from M2 cells but frequently expressed by M4/M5 cells. M4/M5 cells, but not M2 cells, produced reactive oxygen species that triggered apoptosis in adjacent natural killer cells. These events were significantly inhibited by histamine dihydrochloride. Our data demonstrate the presence of functional histamine H(2) receptors on human AML cells and suggest that expression of these receptors by leukemic cells may impact on the effectiveness of histamine-based immunotherapy.
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Affiliation(s)
- Johan Aurelius
- Department of Sahlgrenska Cancer Center, University of Gothenburg, Sweden
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Monocytic AML cells inactivate antileukemic lymphocytes: role of NADPH oxidase/gp91(phox) expression and the PARP-1/PAR pathway of apoptosis. Blood 2012; 119:5832-7. [PMID: 22550344 DOI: 10.1182/blood-2011-11-391722] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Dysfunction of T cells and natural killer (NK) cells has been proposed to determine the course of disease in acute myeloid leukemia (AML), but only limited information is available on the mechanisms of lymphocyte inhibition. We aimed to evaluate to what extent human malignant AML cells use NADPH oxidase-derived reactive oxygen species (ROS) as an immune evasion strategy. We report that a subset of malignant myelomonocytic and monocytic AML cells (French-American-British [FAB] classes M4 and M5, respectively), recovered from blood or BM of untreated AML patients at diagnosis, expressed the NADPH oxidase component gp91(phox). Highly purified FAB M4/M5 AML cells produced large amounts of ROS on activation and triggered poly-[ADP-ribose] polymerase-1-dependent apoptosis in adjacent NK cells, CD4(+) T cells, and CD8(+) T cells. In contrast, immature (FAB class M1) and myeloblastic (FAB class M2) AML cells rarely expressed gp91(phox), did not produce ROS, and did not trigger NK or T-cell apoptosis. Microarray data from 207 AML patients confirmed a greater expression of gp91(phox) mRNA by FAB-M4/M5 AML cells than FAB-M1 cells (P < 10(-11)) or FAB-M2 cells (P < 10(-9)). Our data are suggestive of a novel mechanism by which monocytic AML cells evade cell-mediated immunity.
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Costello RT, Knoblauch B, Sanchez C, Mercier D, Le Treut T, Sébahoun G. Expression of natural killer cell activating receptors in patients with chronic lymphocytic leukaemia. Immunology 2012; 135:151-7. [PMID: 22044312 DOI: 10.1111/j.1365-2567.2011.03521.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Recent advances in chronic lymphocytic leukaemia (CLL) treatment, more particularly through upfront use of anti-CD20 monoclonal antibodies, have prolonged patient progression-free survival. Nonetheless, apart from allogeneic stem cell transplantation, no curative treatment is available. One possible explanation for the lack of cure in CLL could be a defective immune anti-tumour response. As the result of abnormal HLA class I molecule expression, CLL cells escape from specific T-lymphocyte immunity but should be the target for the innate natural killer (NK) cell-mediated immune response. Defective NK cytotoxicity as the result of decreased expression of the natural cytotoxicity receptors (NCRs) NKp30/NCR3, NKp44/NCR2 and NKp46/NCR1 has been described in haematological malignancies such as acute myeloid leukaemia. This prompted us to focus our attention on NCR expression on NK cells from patients with CLL. Although we failed to detect any difference between CLL patients and healthy age-matched controls, a precise analysis of clinical data showed a correlation between decreased NCR expression and poor prognosis factors such as low haemoglobin level, high (>30×10(9) per litre) lymphocyte count or elevated C-reactive protein. Together, these observations support the rationale for restoration of normal NK cell functions in patients with CLL, putatively through the use of immune therapy protocols that already have demonstrated some benefit in acute myeloid leukaemia such as interleukin-2 plus histamine dihydrochloride.
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Affiliation(s)
- Régis T Costello
- APHM, Hôpital Nord, Laboratoire d'Hématologie Aix-Marseille Université, TAGC/unité INSERM U928 APHM, Hôpital La Conception, Service d'Hématologie, Marseille, France.
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Thoren FB, Aurelius J, Martner A. Antitumor properties of histamine in vivo. Nat Med 2011; 17:537; author reply 537-8. [PMID: 21546964 DOI: 10.1038/nm0511-537a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Abstract
Histamine dihydrochloride (Ceplene®) is a synthetic derivative of the biogenic amine histamine. Histamine dihydrochloride inhibits the formation of reactive oxygen species that suppress the activation of T cells and natural killer (NK) cells. When given in addition to the cytokine interleukin (IL)-2, histamine dihydrochloride enables the activation of T cells and NK cells by IL-2, resulting in the killing of cancer cells, including those of acute myeloid leukaemia (AML). In a large, 3-year, randomized, open-label, multicentre, phase III trial in adult patients with AML in first or subsequent remission, those who received subcutaneous histamine dihydrochloride and concomitant subcutaneous IL-2 as maintenance therapy had a significantly longer leukaemia-free survival (LFS; primary endpoint) than patients receiving no treatment. This difference was also shown for the subgroup of patients in first remission. The between-group difference in overall survival (OS) was not significant, although this trial was not powered to detect such a difference. Histamine dihydrochloride and IL-2 therapy had an acceptable tolerability profile in patients in the phase III trial. The majority of reported adverse events were of grade 1 or 2 severity. The most commonly reported grade 3 adverse events with active treatment were thrombocytopenia, headache, neutropenia, pyrexia, eosinophilia and diarrhoea; grade 4 adverse events were thrombocytopenia and leukopenia not otherwise specified. Serious adverse events were mostly relapse related. Histamine dihydrochloride and IL-2 as maintenance therapy significantly prolonged LFS compared with no treatment and had an acceptable tolerability profile in a large phase III trial in patients with AML. Although some issues remain to be addressed, most notably the effects of therapy on OS and the efficacy of treatment in older patients (who represent the majority of AML patients), histamine dihydrochloride in addition to IL-2 appears to be a useful maintenance therapy option for adult patients with AML in remission.
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Affiliation(s)
- Lily P H Yang
- Adis, a Wolters Kluwer Business, Auckland, New Zealand.
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Reply to Antitumor properties of histamine in vivo. Nat Med 2011. [DOI: 10.1038/nm0511-537b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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