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Roquini D, Lemes BL, Kreutz ALB, Spoladore SC, Amaro MC, Lopes FB, Fernandes JP, de Moraes J. Antihistamines H 1 as Potential Anthelmintic Agents against the Zoonotic Parasite Angiostrongylus cantonensis. ACS OMEGA 2024; 9:31159-31165. [PMID: 39035884 PMCID: PMC11256074 DOI: 10.1021/acsomega.4c04773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 07/23/2024]
Abstract
Infections caused by parasitic helminths pose significant health concerns for both humans and animals. The limited efficacy of existing drugs underscores the urgent need for novel anthelmintic agents. Given the reported potential of antihistamines against various parasites, including worms, this study conducted a screening of clinically available antihistamines against Angiostrongylus cantonensis-a nematode with widespread implications for vertebrate hosts, including humans. Twenty-one anti-H1 antihistamines were screened against first-stage larvae (L1) of A. cantonensis obtained from the feces of infected rats. Standard anthelmintic drugs ivermectin and albendazole were employed for comparative analysis. The findings revealed four active compounds (promethazine, cinnarizine, desloratadine, and rupatadine), with promethazine demonstrating the highest potency (EC50 = 31.6 μM). Additionally, morphological analysis showed that antihistamines induced significant changes in larvae. To understand the mechanism of action, antimuscarinic activities were reported based on average pK i values for human muscarinic receptor (mAChR) subtypes of the evaluated compounds. Furthermore, an analysis of the physicochemical and pharmacodynamic properties of antihistamines revealed that their anthelmintic activity does not correlate with their activity at H1 receptors. This study marks the first documentation of antihistamines' activity against A. cantonensis, offering a valuable contribution to the quest for novel agents effective against zoonotic helminths.
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Affiliation(s)
- Daniel
B. Roquini
- Núcleo
de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, 07023-070 Guarulhos, SP, Brazil
| | - Bruna L. Lemes
- Núcleo
de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, 07023-070 Guarulhos, SP, Brazil
| | - Amanda L. B. Kreutz
- Núcleo
de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, 07023-070 Guarulhos, SP, Brazil
| | - Sophia C. Spoladore
- Núcleo
de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, 07023-070 Guarulhos, SP, Brazil
| | - Monique C. Amaro
- Núcleo
de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, 07023-070 Guarulhos, SP, Brazil
| | - Flavia B. Lopes
- Departamento
de Medicina, Universidade Federal de São
Paulo, 04023-062 São Paulo, SP, Brazil
- Departamento
de Ciências Farmacêuticas, Universidade Federal de São Paulo, 09913-030 Diadema, SP, Brazil
| | - João Paulo
S. Fernandes
- Departamento
de Ciências Farmacêuticas, Universidade Federal de São Paulo, 09913-030 Diadema, SP, Brazil
| | - Josué de Moraes
- Núcleo
de Pesquisa em Doenças Negligenciadas, Universidade Guarulhos, 07023-070 Guarulhos, SP, Brazil
- Núcleo
de Pesquisa em Doenças Negligenciadas, Instituto Científico e Tecnológico, Universidade Brasil, 08230-030 São
Paulo, SP, Brazil
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Li W, Sparidans RW, Wang Y, Martins MLF, de Waart DR, van Tellingen O, Song JY, Lebre MC, van Hoppe S, Wagenaar E, Beijnen JH, Schinkel AH. Interplay of OATP1A/1B/2B1 uptake transporters and ABCB1 and ABCG2 efflux transporters in the handling of bilirubin and drugs. Biomed Pharmacother 2024; 175:116644. [PMID: 38692057 DOI: 10.1016/j.biopha.2024.116644] [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: 01/27/2024] [Revised: 04/08/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024] Open
Abstract
Transmembrane drug transporters can be important determinants of the pharmacokinetics, efficacy, and safety profiles of drugs. To investigate the potential cooperative and/or counteracting interplay of OATP1A/1B/2B1 uptake transporters and ABCB1 and ABCG2 efflux transporters in physiology and pharmacology, we generated a new mouse model (Bab12), deficient for Slco1a/1b, Slco2b1, Abcb1a/1b and Abcg2. Bab12 mice were viable and fertile. We compared wild-type, Slco1a/1b/2b1-/-, Abcb1a/1b;Abcg2-/- and Bab12 strains. Endogenous plasma conjugated bilirubin levels ranked as follows: wild-type = Abcb1a/1b;Abcg2-/- << Slco1a/1b/2b1-/- < Bab12 mice. Plasma levels of rosuvastatin and fexofenadine were elevated in Slco1a/1b/2b1-/- and Abcb1a/1b;Abcg2-/- mice compared to wild-type, and dramatically increased in Bab12 mice. Although systemic exposure of larotrectinib and repotrectinib was substantially increased in the separate multidrug transporter knockout strains, no additive effects were observed in the combination Bab12 mice. Significantly higher plasma exposure of fluvastatin and pravastatin was only found in Slco1a/1b/2b1-deficient mice. However, noticeable transport by Slco1a/1b/2b1 and Abcb1a/1b and Abcg2 across the BBB was observed for fluvastatin and pravastatin, respectively, by comparing Bab12 mice with Abcb1a/1b;Abcg2-/- or Slco1a/1b/2b1-/- mice. Quite varying behavior in plasma exposure of erlotinib and its metabolites was observed among these strains. Bab12 mice revealed that Abcb1a/1b and/or Abcg2 can contribute to conjugated bilirubin elimination when Slco1a/1b/2b1 are absent. Our results suggest that the interplay of Slco1a/1b/2b1, Abcb1a/1b, and Abcg2 could markedly affect the pharmacokinetics of some, but not all drugs and metabolites. The Bab12 mouse model will represent a useful tool for optimizing drug development and clinical application, including efficacy and safety.
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Affiliation(s)
- Wenlong Li
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands; The Second Affiliated Hospital of Nantong University, Shengli Rd 666, Nantong 226001, China.
| | - Rolf W Sparidans
- Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacology, Universiteitsweg 99, Utrecht 3584 CG, the Netherlands
| | - Yaogeng Wang
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Margarida L F Martins
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Dirk R de Waart
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Meibergdreef 71, Amsterdam 1105 BK, the Netherlands
| | - Olaf van Tellingen
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Ji-Ying Song
- The Netherlands Cancer Institute, Division of Experimental Animal Pathology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Maria C Lebre
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Stéphanie van Hoppe
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Els Wagenaar
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Jos H Beijnen
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands; Utrecht University, Faculty of Science, Department of Pharmaceutical Sciences, Division of Pharmacoepidemiology & Clinical Pharmacology, Universiteitsweg 99, Utrecht 3584 CG, the Netherlands; The Netherlands Cancer Institute, Department of Pharmacy & Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
| | - Alfred H Schinkel
- The Netherlands Cancer Institute, Division of Pharmacology, Plesmanlaan 121, Amsterdam 1066 CX, the Netherlands
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de Veras BO, Moura GMDM, Barros AVD, Vanusa da Silva M, Assis PACD, Aguiar JCRDOFD, Navarro DMDAF, Ximenes RM, Wanderley AG, Oliveira MBMD, Lopes ACDS. Antinociceptive and anti-inflammatory activities of essential oil of the leaves of Amburana cearensis (Allemão) A.C. Smith. from the semi-arid region of Northeastern Brazil. JOURNAL OF ETHNOPHARMACOLOGY 2023; 317:116858. [PMID: 37400005 DOI: 10.1016/j.jep.2023.116858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/19/2023] [Accepted: 06/26/2023] [Indexed: 07/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Amburana cearensis (Allemão) A.C. Smith is a medicinal plant with wide distribution in South America, popularly known in Brazil as "cumaru" or "amburana de cheiro". In folk medicine, in the semi-arid region of Northeastern Brazil, infusions, teas and decoctions of leaves of Amburana cearensis have their practical use for treating fever, gastrointestinal disorders, inflammation, and inflammation pain. However, none of the ethnopharmacological properties has been scientifically evaluated using volatile compounds obtained from its leaves (essential oil). AIM OF THE STUDY This study investigated the chemical composition, acute oral toxicity, and antinociceptive and anti-inflammatory activities of the essential oil from the leaves of A. cearensis. MATERIAL AND METHODS The acute toxicity of the essential oil was investigated in mice. The antinociceptive effect was evaluated using the formalin test and, abdominal writhing induced by acetic acid, being investigated the possible mechanisms of action involved in antinociception. The acute anti-inflammatory effect was investigated through models of carrageenan-induced peritonitis, yeast-induced pyrexia, and carrageenan- and histamine-induced paw inflammation. RESULTS No acute toxicity was observed at doses up to 2000 mg/kg; p.o. The antinociceptive effect was statistically equal to morphine. In the formalin assay, the oil showed analgesic activity in the neurogenic and inflammatory phases, having as mechanisms the cholinergic, adenosinergic system, and ATP-sensitive potassium channels (K-ATP). In peritonitis, a reduction in TNF-α and IL-1β levels and leukocyte migration were observed. The antipyretic effect was statistically superior to dipyrone. The reduction in paw edema was statistically superior to the standard in both models. CONCLUSION The results obtained not only support the traditional use of the species in inflammatory conditions and pain in folk medicine but also demonstrate that this is a rich source of phytocomponents such as germacrone, which can be used as a natural and sustainable therapeutic agent with industrial applications.
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Affiliation(s)
- Bruno Oliveira de Veras
- Post-graduation in Tropical Medicine, Laboratory of Microbiology, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil; Post-graduation in Biotechnology - RENORBIO, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil; Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil.
| | - Geovanna Maria de Medeiros Moura
- Department of Biochemistry, Laboratory Chemistry and Function of Bioactive Proteins, Federal University of Rio Grande do Norte, 59078-970, Natal, Rio Grande do Norte, Brazil
| | - Amanda Vieira de Barros
- Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Márcia Vanusa da Silva
- Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Priscilla Anne Castro de Assis
- Department of Physiology and Pathology, Laboratory of Immunology and Cell Biology, Federal University of Paraiba, 58051-900, João Pessoa, Paraiba, Brazil
| | | | | | - Rafael Matos Ximenes
- Post-graduation in Biotechnology - RENORBIO, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Almir Gonçalves Wanderley
- Department of Pharmaceutical Sciences, Institute of Environmental, Chemical and Pharmaceutical Sciences, Federal University of São Paulo, 09913-030, Diadema, São Paulo, Brazil
| | - Maria Betânia Melo de Oliveira
- Department of Biochemistry, Laboratory of Natural Products, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
| | - Ana Catarina de Sousa Lopes
- Post-graduation in Tropical Medicine, Laboratory of Microbiology, Federal University of Pernambuco, 50670-420, Recife, Pernambuco, Brazil
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Soares CLR, Wilairatana P, Silva LR, Moreira PS, Vilar Barbosa NMM, da Silva PR, Coutinho HDM, de Menezes IRA, Felipe CFB. Biochemical aspects of the inflammatory process: A narrative review. Biomed Pharmacother 2023; 168:115764. [PMID: 37897973 DOI: 10.1016/j.biopha.2023.115764] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/30/2023] Open
Abstract
Inflammation is a protective response of the body potentially caused by microbial, viral, or fungal infections, tissue damage, or even autoimmune reactions. The cardinal signs of inflammation are consequences of immunological, biochemical, and physiological changes that trigger the release of pro-inflammatory chemical mediators at the local of the injured site thus, increasing blood flow, vascular permeability, and leukocyte recruitment. The aim of this study is to give an overview of the inflammatory process, focusing on chemical mediators. The literature review was based on a search of journals published between the years 2009 and 2023, regarding the role of major chemical mediators in the inflammatory process and current studies in pathogenesis, diagnosis, and therapy. Some of the recent contributions in the study of inflammatory pathologies and their mediators, including cytokines and chemokines, the kinin system, free radicals, nitric oxide, histamine, cell adhesion molecules, leukotrienes, prostaglandins and the complement system and their role in human health and chronic diseases.
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Affiliation(s)
- Caroline Leal Rodrigues Soares
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand.
| | - Larissa Rodrigues Silva
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Polyanna Silva Moreira
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Nayana Maria Medeiros Vilar Barbosa
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Pablo Rayff da Silva
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil
| | - Henrique Douglas Melo Coutinho
- Laboratório de Microbiologia e Biologia Molecular - LMBM. Universidade Regional do Cariri - URCA, Rua Cel Antônio Luiz, 1161, Oimenta, CEP 63105-000 Crato, Brazil.
| | - Irwin Rose Alencar de Menezes
- Laboratório de Farmacologia e Química Molecular - LFQM. Universidade Regional do Cariri - URCA, Rua Cel Antônio Luiz, 1161, Pimenta, CEP 63105-000 Crato, Brazil
| | - Cícero Francisco Bezerra Felipe
- Departamento de Biologia Molecular - DBM. Universidade Federal da Paraíba - UFPB, Campus I - Jardim Cidade Universitária, CEP 58059-900 João Pessoa, Brazil.
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Trybus E, Trybus W, Król T. Cytological Study of Topical Effect of Azelastine Hydrochloride on the Nasal Mucous Membrane Cells in Various Nasal Rhinitis Types. Cells 2023; 12:2697. [PMID: 38067125 PMCID: PMC10706206 DOI: 10.3390/cells12232697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/03/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Previous reports on the benefits of using local therapy with azelastine in rhinitis focus on the assessment of clinical symptoms and the analysis of nasal lavage for the presence of inflammatory cells and the expression of adhesion molecules. Little attention has been paid to studies assessing the effect of azelastine on individual cytotypes of the nasal mucosa, especially epithelial cells, also in the context of inducing morphological changes. The aim of this study was the cytological analysis of swabs taken from the surface of the nasal mucosa of patients with allergic rhinitis (AR) and nonallergic/vasomotor rhinitis (NAR/VMR) who were subjected to 4 weeks of therapy with azelastine and then comparing the obtained results with the pre-treatment condition. The technique of obtaining materials for cytoanalysis included sampling, staining of smears, microscopic analysis, and preparation of cytograms. Our studies confirmed the therapeutic benefits of azelastine in both study groups. Significant changes were demonstrated, confirming the regeneration of ciliated cells and the induction of autophagy and apoptosis in epithelial cells. Such changes indicate new mechanisms of action of azelastine, which play a significant role in restoring homeostasis in the nasal mucosa. The presented research also results in a detailed description of cytological changes in both studied rhinitis types, which complements the knowledge regarding prognostic indicators.
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Affiliation(s)
- Ewa Trybus
- Department of Medical Biology, Jan Kochanowski University of Kielce, Uniwersytecka 7, 25-406 Kielce, Poland;
| | - Wojciech Trybus
- Department of Medical Biology, Jan Kochanowski University of Kielce, Uniwersytecka 7, 25-406 Kielce, Poland;
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Souza CPFAD, Kligerman DC, Bezerra GM, Oliveira JLDM. Environmental risk caused by drug waste in the city of Rio de Janeiro, Brazil, during the SARS-Cov19 pandemic. CIENCIA & SAUDE COLETIVA 2023. [DOI: 10.1590/1413-81232023283.05722022en] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023] Open
Abstract
Abstract The relationship between the distribution of medicines used in the Pandemic by SARS-COV-19 in the municipality of Rio de Janeiro and the estimated level of environmental risk caused by their residues was evaluated. The amount of medicines distributed by primary health care (PHC) units between 2019 and 2021 were collected. The risk quotient (RQ) corresponded to the ratio between the estimated predictive environmental concentration (PECest) obtained by the consumption and excretion of each drug and its non-effective predictive concentration (PNEC). Between 2019 and 2020, the PECest of azithromycin (AZI) and ivermectin (IVE) increased between 2019 and 2020, with a decrease in 2021 probably due to shortages. Dexchlorpheniramine (DEX) and fluoxetine (FLU) fell, returning to growth in 2021. While the PECest of diazepam (DIA) increased over these 3 years, ethinylestradiol (EE2) decreased possibly due to the prioritization of PHC in the treatment of COVID-19. The largest QR were from FLU, EE2 and AZI. The consumption pattern of these drugs did not reflect their environmental risk because the most consumed ones have low toxicity. It is worth noting that some data may be underestimated due to the incentive given during the pandemic to the consumption of certain groups of drugs.
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Souza CPFAD, Kligerman DC, Bezerra GM, Oliveira JLDM. Environmental risk caused by drug waste in the city of Rio de Janeiro, Brazil, during the SARS-Cov19 pandemic. CIENCIA & SAUDE COLETIVA 2023; 28:711. [PMID: 36888856 DOI: 10.1590/1413-81232023283.05722022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 09/30/2022] [Indexed: 03/08/2023] Open
Abstract
The relationship between the distribution of medicines used in the Pandemic by SARS-COV-19 in the municipality of Rio de Janeiro and the estimated level of environmental risk caused by their residues was evaluated. The amount of medicines distributed by primary health care (PHC) units between 2019 and 2021 were collected. The risk quotient (RQ) corresponded to the ratio between the estimated predictive environmental concentration (PECest) obtained by the consumption and excretion of each drug and its non-effective predictive concentration (PNEC). Between 2019 and 2020, the PECest of azithromycin (AZI) and ivermectin (IVE) increased between 2019 and 2020, with a decrease in 2021 probably due to shortages. Dexchlorpheniramine (DEX) and fluoxetine (FLU) fell, returning to growth in 2021. While the PECest of diazepam (DIA) increased over these 3 years, ethinylestradiol (EE2) decreased possibly due to the prioritization of PHC in the treatment of COVID-19. The largest QR were from FLU, EE2 and AZI. The consumption pattern of these drugs did not reflect their environmental risk because the most consumed ones have low toxicity. It is worth noting that some data may be underestimated due to the incentive given during the pandemic to the consumption of certain groups of drugs.
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Affiliation(s)
- Carla Patricia Figueiredo Antunes de Souza
- Departamento de Saneamento e Saúde Ambiental, Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz. R. Leopoldo Bulhões 1.480, Manguinhos. 21041-210. Rio de Janeiro RJ Brasil.
| | - Débora Cynamon Kligerman
- Departamento de Saneamento e Saúde Ambiental, Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz. R. Leopoldo Bulhões 1.480, Manguinhos. 21041-210. Rio de Janeiro RJ Brasil.
| | | | - Jaime Lopes da Mota Oliveira
- Departamento de Saneamento e Saúde Ambiental, Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz. R. Leopoldo Bulhões 1.480, Manguinhos. 21041-210. Rio de Janeiro RJ Brasil.
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HBK-15, a Multimodal Compound, Showed an Anxiolytic-Like Effect in Rats. Neurochem Res 2023; 48:839-845. [PMID: 36350432 PMCID: PMC9644393 DOI: 10.1007/s11064-022-03802-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: 09/17/2022] [Revised: 10/07/2022] [Accepted: 10/18/2022] [Indexed: 11/11/2022]
Abstract
Anxiety is a common mental disorder, and its prevalence has lately increased because of the COVID-19 pandemic. Unfortunately, the available anxiolytics are often ineffective, and most possess addictive potential. Thus, searching for novel compounds is essential. In our previous studies, we selected a multimodal compound, HBK-15, which showed a fast antidepressant-like effect in animal models of depression. HBK-15 demonstrated a high affinity for serotonin 5-HT1A receptors and moderate for 5-HT7, dopamine D2, and α1-adrenoceptors. Based on the receptor profile and preliminary studies, we aimed to investigate the anxiolytic potential of HBK-15 using the conditioned-response rat model of anxiety, i.e., the Vogel drinking test. We performed hot plate and free-drinking tests to exclude false positive results in the Vogel test. Using radioligand binding studies, we also investigated the affinity of the compound for the selected biological targets, which play a role in anxiety. Our experiments revealed that HBK-15 showed an anxiolytic-like effect in rats (5 mg/kg) without influencing the pain threshold or the amount of water consumed in the free-drinking test. Furthermore, the tested compound did not show a significant affinity for the selected biological targets, which suggests that its anxiolytic-like mechanism of action could be connected with the interaction with other receptors. This study indicates that multimodal compounds with a receptor profile similar to HBK-15 could be an attractive therapeutic option for patients with a generalized anxiety disorder. However, more studies are required to determine the exact mechanism of action of HBK-15 and its safety profile.
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Hu Y, Wang Y, Lin J, Wu S, Muyldermans S, Wang S. Versatile Application of Nanobodies for Food Allergen Detection and Allergy Immunotherapy. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:8901-8912. [PMID: 35820160 DOI: 10.1021/acs.jafc.2c03324] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The unique characteristics of camelid heavy-chain only antibody (HCAb) derived nanobodies (Nbs) have facilitated their employment as tools for research and application in extensive fields including food safety inspection, diagnosis and therapy of diseases, etc., to develop immune detecting techniques or alternative candidates of conventional antibodies as diagnostic and therapeutic reagents. The wide application in the fields of food allergen inspection and immunotherapy has not been addressed as not much results published in the literature. The robust properties and straightforward selecting strategy of Nbs impel the advantageous employment compared with monoclonal antibodies (mAbs) to establish immunoassay and serve as blocking antibodies to compete immunoglobulin E (IgE) binding epitopes on food allergens. More and more efforts have been invested to develop specific Nbs against food allergen proteins, such as macadamia allergen of Mac i 1, peanut allergen of Ara h 3, and lupine allergen of Lup an 1, which demonstrated the potential of Nbs for research and application in food allergen surveillance. Meanwhile, the paratopes of Nbs preferably targeting the unique epitopes of food allergens can provide more possibilities to serve as blocking antibodies to shield IgE binding epitopes for food allergy immunotherapy. Regardless, the research and application of Nbs in the field of food allergen and allergic reactions are expected to attract dramatic focus and produce promising research outputs.
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Affiliation(s)
- Yaozhong Hu
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Yi Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Jing Lin
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Sihao Wu
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Serge Muyldermans
- Cellular and Molecular Immunology, Vrije Universiteit Brussel, 1050 Brussels, Belgium
| | - Shuo Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
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The Multidirectional Effect of Azelastine Hydrochloride on Cervical Cancer Cells. Int J Mol Sci 2022; 23:ijms23115890. [PMID: 35682572 PMCID: PMC9180047 DOI: 10.3390/ijms23115890] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 05/22/2022] [Accepted: 05/23/2022] [Indexed: 02/01/2023] Open
Abstract
A major cause of cancer cell resistance to chemotherapeutics is the blocking of apoptosis and induction of autophagy in the context of cell adaptation and survival. Therefore, new compounds are being sought, also among drugs that are commonly used in other therapies. Due to the involvement of histamine in the regulation of processes occurring during the development of many types of cancer, antihistamines are now receiving special attention. Our study concerned the identification of new mechanisms of action of azelastine hydrochloride, used in antiallergic treatment. The study was performed on HeLa cells treated with different concentrations of azelastine (15-90 µM). Cell cycle, level of autophagy (LC3 protein activity) and apoptosis (annexin V assay), activity of caspase 3/7, anti-apoptotic protein of Bcl-2 family, ROS concentration, measurement of mitochondrial membrane potential (Δψm), and level of phosphorylated H2A.X in response to DSB were evaluated by cytometric method. Cellular changes were also demonstrated at the level of transmission electron microscopy and optical and fluorescence microscopy. Lysosomal enzyme activities-cathepsin D and L and cell viability (MTT assay) were assessed spectrophotometrically. Results: Azelastine in concentrations of 15-25 µM induced degradation processes, vacuolization, increase in cathepsin D and L activity, and LC3 protein activation. By increasing ROS, it also caused DNA damage and blocked cells in the S phase of the cell cycle. At the concentrations of 45-90 µM, azelastine clearly promoted apoptosis by activation of caspase 3/7 and inactivation of Bcl-2 protein. Fragmentation of cell nucleus was confirmed by DAPI staining. Changes were also found in the endoplasmic reticulum and mitochondria, whose damage was confirmed by staining with rhodamine 123 and in the MTT test. Azelastine decreased the mitotic index and induced mitotic catastrophe. Studies demonstrated the multidirectional effects of azelastine on HeLa cells, including anti-proliferative, cytotoxic, autophagic, and apoptotic properties, which were the predominant mechanism of death. The revealed novel properties of azelastine may be practically used in anti-cancer therapy in the future.
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Therapeutic Targets in Allergic Conjunctivitis. Pharmaceuticals (Basel) 2022; 15:ph15050547. [PMID: 35631374 PMCID: PMC9147625 DOI: 10.3390/ph15050547] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/18/2022] [Accepted: 04/22/2022] [Indexed: 02/02/2023] Open
Abstract
Allergic conjunctivitis (AC) is a common condition resulting from exposure to allergens such as pollen, animal dander, or mold. It is typically mediated by allergen-induced crosslinking of immunoglobulin E attached to receptors on primed conjunctival mast cells, which results in mast cell degranulation and histamine release, as well as the release of lipid mediators, cytokines, and chemokines. The clinical result is conjunctival hyperemia, tearing, intense itching, and chemosis. Refractory and chronic cases can result in ocular surface complications that may be vision threatening. Patients who experience even mild forms of this disease report an impact on their quality of life. Current treatment options range from non-pharmacologic therapies to ocular and systemic options. However, to adequately control AC, the use of multiple agents is often required. As such, a precise understanding of the immune mechanisms responsible for this ocular surface inflammation is needed to support ongoing research for potential therapeutic targets such as chemokine receptors, cytokine receptors, non-receptor tyrosine kinases, and integrins. This review utilized several published articles regarding the current therapeutic options to treat AC, as well as the pathological and immune mechanisms relevant to AC. This review will also focus on cellular and molecular targets in AC, with particular emphasis on potential therapeutic agents that can attenuate the pathology and immune mechanisms driven by cells, receptors, and molecules that participate in the immunopathogenesis and immunopathology of AC.
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Harde MT, Lakade SH. A stability-indicating HPLC method for estimation of doxylamine succinate in tablets and characterization of its major alkaline stress degradation product. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2021. [DOI: 10.1186/s43094-021-00276-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
A new selective rapid RP-HPLC-DAD method was developed and evaluated for the quantification of doxylamine succinate (DOX) in bulk and pharmaceutical dosage form. The separation of DOX at different degradation conditions was achieved with a Kromasil C18 (4.6 × 250 mm, 5-μm particle size). The mobile phase employed comprised of phosphate buffer (pH 3.5) and methanol in the ratio of 45:55 v/v. The flow rate was kept maintained at 1.0 ml/min and eluents were detected at 262 nm. The drug was subjected to different stress conditions like acid, base, neutral, hydrolysis, oxidation, photolysis, and thermal degradation. The analytical performance of the proposed HPLC method was thoroughly validated in terms of linearity, precision, accuracy, specificity, robustness, detection, and quantification limits.
Results
The method produces linear responses that were found in the range of 10–50 μg/ml. The regression equation was found to be Y = 42984x − 10260. The correlation coefficient was found to be 0.9998. The LOD and LOQ for DOX were found to be 0.96 and 3.28 μg/ml, respectively. The short-term solution stability of DOX (100 μg/ml) was evaluated under (25 ± 2°C) storage condition and found to be 98.82 to 101%. The percentage recovery for DOX was in the range of 99.73 to 99.91%. The obtained results of the stress degradation study and peak purity data indicate the potential of the developed HPLC method to resolve degradants from DOX peak. The major alkaline degradation product was isolated using preparative chromatographic technique and extensive FT-IR was performed to ascertain the structure of the alkaline degradant.
Conclusion
It was concluded that the proposed method was simple, sensitive, accurate, cost-effective, and less time-consuming for the quantification of DOX. This method was successfully utilized for stability testing of commercially available DOX tablets. Hence, the proposed method can be applied for routine quality control of DOX in bulk drug as well as in marketed formulations.
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Qu C, Fuhler GM, Pan Y. Could Histamine H1 Receptor Antagonists Be Used for Treating COVID-19? Int J Mol Sci 2021; 22:5672. [PMID: 34073529 PMCID: PMC8199351 DOI: 10.3390/ijms22115672] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 05/20/2021] [Accepted: 05/25/2021] [Indexed: 02/06/2023] Open
Abstract
COVID-19 has rapidly become a pandemic worldwide, causing extensive and long-term health issues. There is an urgent need to identify therapies that limit SARS-CoV-2 infection and improve the outcome of COVID-19 patients. Unbalanced lung inflammation is a common feature in severe COVID-19 patients; therefore, reducing lung inflammation can undoubtedly benefit the clinical manifestations. Histamine H1 receptor (H1 receptor) antagonists are widely prescribed medications to treat allergic diseases, while recently it has emerged that they show significant promise as anti-SARS-CoV-2 agents. Here, we briefly summarize the novel use of H1 receptor antagonists in combating SARS-CoV-2 infection. We also describe the potential antiviral mechanisms of H1 receptor antagonists on SARS-CoV-2. Finally, the opportunities and challenges of the use of H1 receptor antagonists in managing COVID-19 are discussed.
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Affiliation(s)
- Changbo Qu
- Tomas Lindahl Nobel Laureate Laboratory, Precision Medicine Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen 518107, China;
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands
| | - Gwenny M. Fuhler
- Department of Gastroenterology and Hepatology, Erasmus MC-University Medical Center, 3015 CN Rotterdam, The Netherlands;
| | - Yihang Pan
- Tomas Lindahl Nobel Laureate Laboratory, Precision Medicine Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen 518107, China;
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Flicker S, Zettl I, Tillib SV. Nanobodies-Useful Tools for Allergy Treatment? Front Immunol 2020; 11:576255. [PMID: 33117377 PMCID: PMC7561424 DOI: 10.3389/fimmu.2020.576255] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 09/15/2020] [Indexed: 11/13/2022] Open
Abstract
In the last decade single domain antibodies (nanobodies, VHH) qualified through their unique characteristics have emerged as accepted and even advantageous alternative to conventional antibodies and have shown great potential as diagnostic and therapeutic tools. Currently nanobodies find their main medical application area in the fields of oncology and neurodegenerative diseases. According to late-breaking information, nanobodies specific for coronavirus spikes have been generated these days to test their suitability as useful therapeutics for future outbreaks. Their superior properties such as chemical stability, high affinity to a broad spectrum of epitopes, low immunogenicity, ease of their generation, selection and production proved nanobodies also to be remarkable to investigate their efficacy for passive treatment of type I allergy, an exaggerated immune reaction to foreign antigens with increasing global prevalence.
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Affiliation(s)
- Sabine Flicker
- Division of Immunopathology, Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Ines Zettl
- Division of Immunopathology, Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Vienna, Austria
| | - Sergei V. Tillib
- Institute of Gene Biology, Russian Academy of Sciences, Moscow, Russia
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Aryani A, Suprayitno E, Sasmito BB, Hardoko H. Characterization and identification of charcoal of inedible Kerandang fish ( Channa pleurophthalmus Blkr) body parts and potential antiallergenic properties. Vet World 2020; 13:1480-1486. [PMID: 32848327 PMCID: PMC7429384 DOI: 10.14202/vetworld.2020.1480-1486] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 06/05/2020] [Indexed: 11/16/2022] Open
Abstract
Background and Aim The study about the antiallergenic properties of inedible fish body parts is still limited. Therefore, this study aimed to characterize the charcoal from the body parts of Kerandang fish (Channa pleurophthalmus Blkr) and identify its antiallergenic properties. Materials and Methods This study used some non-edible body parts extracted from the Kerandang fish (i.e., the scalp, scales, and dorsal, pectoral, ventral, anal, and caudal fins) using a maceration method with different solvents (ethanol, ethyl acetate, and chloroform). The identification of active compounds in the extract was carried out using liquid chromatography-high-resolution mass spectrometry (LC-HRMS) analysis, while the antihyaluronidase activity was determined using the antihyaluronidase test. The highest charcoal antihyaluronidase activity-extract was applied to ovalbumin-induced mice for 7 days with various doses (10, 15, and 20 mg/kg). The specific immunoglobulin E (IgE) was measured using enzyme-linked immunosorbent assay on day 8. Results Our LC-HRMS analysis showed that the active compound of charcoal in the caudal fins of Kerandang fish was hexadecanamide. The highest inhibition (IC50) of hyaluronidase was found in the ethyl acetate extract of fish caudal fins at a concentration of 4 mg/mL. We found that 15 mg/kg body weight of charcoal of fish caudal fins suppressed IgE expression in male mice. Conclusion Our findings indicate that the charcoal of non-edible body parts of Kerandang and one of its constituent, hexadecanamide, may have strong antiallergic effects.
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Affiliation(s)
- Aryani Aryani
- Doctoral Program, Faculty of Fisheries and Marine Sciences, Brawijaya University, Malang 65145, East Java, Indonesia
| | - Eddy Suprayitno
- Department of Fisheries Product Technology, Faculty of Fisheries and Marine Sciences, Brawijaya University, Malang 65145, East Java, Indonesia
| | - Bambang Budi Sasmito
- Department of Fisheries Product Technology, Faculty of Fisheries and Marine Sciences, Brawijaya University, Malang 65145, East Java, Indonesia
| | - Hardoko Hardoko
- Department of Fisheries Product Technology, Faculty of Fisheries and Marine Sciences, Brawijaya University, Malang 65145, East Java, Indonesia
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The Antihistamine Deptropine Induces Hepatoma Cell Death through Blocking Autophagosome-Lysosome Fusion. Cancers (Basel) 2020; 12:cancers12061610. [PMID: 32570749 PMCID: PMC7352610 DOI: 10.3390/cancers12061610] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/14/2020] [Accepted: 06/16/2020] [Indexed: 02/07/2023] Open
Abstract
Some antihistamines have exhibited significant antitumor activity alone or in combination with other therapies in in vitro and clinical studies. However, the underlying mechanisms of how antihistamines inhibit hepatocellular carcinoma proliferation are still unknown. We first screened the antiproliferation activity of 12 benzocycloheptene structural-analogue drugs, and results showed that deptropine was the most potent inhibitor of both Hep3B and HepG2 human hepatoma cells. Deptropine significantly increased light chain 3B-II (LC3B-II) expression but did not induce sequestosome 1 (SQSTM1/p62) degradation in either cell line. Interestingly, other autophagy-related proteins, such as autophagy-related 7 (ATG7), vacuolar protein sorting 34 (VPS34), phosphorylated adenosine 5'-monophosphate-activated protein kinase (AMPK), and phosphorylated protein kinase B (PKB, also known as Akt), exhibited no significant change in either deptropine-treated cell line. Deptropine also inhibited the processing of cathepsin L from its precursor form to its mature form. Immunofluorescence microscopy showed an increase of autophagosomes in deptropine-treated cells, but deptropine blocked the fusion between autophagosomes and lysosomes. In a xenograft nude mice model, 2.5 mg/kg deptropine showed a great inhibitory effect on Hep3B tumor growth. These results suggest that deptropine can induce in vitro and in vivo hepatoma cell death, and the underlying mechanisms might be mediated through inhibiting autophagy by blocking autophagosome-lysosome fusion.
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Febbraro S, Shea T, Cravo AS. Bioavailability of Triprolidine as a Single Agent or in Combination With Pseudoephedrine: A Randomized, Open-Label Crossover Study in Healthy Volunteers. Clin Pharmacol Drug Dev 2020; 9:486-495. [PMID: 32133778 PMCID: PMC7318178 DOI: 10.1002/cpdd.777] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 12/10/2019] [Indexed: 11/12/2022]
Abstract
Antihistamines have been in clinical use for more than 70 years to treat allergic and nonallergic symptoms including relief from cold and flu symptoms. Despite their widespread use, pharmacokinetic (PK) data are sparse for older, first-generation antihistamines. This phase 1 single-center open-label, randomized, single-dose, 3-way crossover trial evaluated the PK profiles of 2 doses of film-coated triprolidine caplets (2.5 and 5 mg) compared with a reference combination tablet (triprolidine 2.5 mg + pseudoephedrine 60 mg) in 24 healthy adults. Blood samples were collected predose and at specified intervals across a 24-hour period after administration, and triprolidine was quantified using liquid chromatography-tandem mass spectrometry. Maximum plasma concentration of triprolidine for the 2.5 mg and dose-normalized 5 mg single-agent tablets were comparable (8.4 versus 7.1 ng/mL, respectively) and higher for the combination tablet (9.5 ng/mL). PK parameters, including time to maximum plasma concentration (∼1.5 hours) and elimination half-life (∼4 hours), were comparable between the 3 treatment arms. The safety profile of this sedating antihistamine was as expected; however, adverse effects were reported in a markedly higher proportion of women than men. There were no significant sex differences in any of the measured PK parameters.
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Affiliation(s)
| | - Tim Shea
- Reckitt Benckiser Health LLC, Parsippany, New Jersey, USA
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Abstract
Allergic conjunctival diseases (ACDs) are a group of ocular allergies that include allergic conjunctivitis, atopic keratoconjunctivitis, vernal keratoconjunctivitis, and giant papillary conjunctivitis. Although a large body of information exists on the pathophysiology of ACDs, this has not yet lead to the development of clear recommendations and guidelines for the diagnosis of ACDs or development of conclusive and objective diagnostic tools. Identification of objectively measurable biomarkers that represent the molecular and cellular mechanisms associated with ACDs will be an important step toward achieving these aims. This is a comprehensive review of biological markers that have the potential to become "biomarker(s)" for ACDs and aid in the classification, diagnosis, and development of new therapeutic strategies for these group of allergic conditions.
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Affiliation(s)
- Neeta Roy
- Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, 930 Madison Avenue, Memphis, TN 38163
| | - Shir Levanon
- Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, 930 Madison Avenue, Memphis, TN 38163
| | - Penny A. Asbell
- Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, 930 Madison Avenue, Memphis, TN 38163
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Valliappan Kannappan, Selvakumar Kanthiah. Development and Optimization of Stereoselective Liquid Chromatographic Method for Chiral Separation of (±)-cetirizine and Enantiopurity Assessment of R-levocetirizine. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s1061934820030090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Silva ESD, Pinheiro CS, Pacheco LGC, Alcantara-Neves NM. Dermatophagoides spp. hypoallergens design: what has been achieved so far? Expert Opin Ther Pat 2020; 30:163-177. [PMID: 31913726 DOI: 10.1080/13543776.2020.1712360] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Introduction: Allergic illnesses are one of the most prevalent immunological disorders worldwide and house dust mites are important triggers of these diseases. Allergen-specific immunotherapy (AIT) is an alternative treatment to pharmacotherapy and among its technologies, recombinant hypoallergenic derivatives have shown promising features, turn them into safer and more efficient allergy vaccines.Areas covered: Patents and scientific publications referring to advances in the design of Dermatophagoides spp. hypoallergenic molecules. Data were obtained from the Espacenet® and PubMed websites, using different key terms, advanced tools and Boolean operators for searches. The retrieved data were then descriptively analyzed, taking into consideration clinical targets, geographical, temporal, collaborative, and different classification aspects of the productions.Expert opinion: Joint advances of molecular biology, genetic engineering, and bioinformatics technologies led to progresses in the design of Dermatophagoides spp. hypoallergenic derivatives. Collaborative networks seem to be an interesting way not only to improve technologies in AIT but also to boost the number of patents, publications, and grants for researchers. The observed trend for the use of hypoallergenic hybrid molecules was a fundamental AIT advance and this type of molecule appears to be a more attractive product for companies and more convenient, efficient, and safer allergy immunotherapy for patients.
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Affiliation(s)
- Eduardo Santos da Silva
- Laboratório de Alergia e Acarologia, Instituto de Ciências da Saúde, Universidade Federal da Bahia (UFBA), Salvador, Brazil.,Programa de Pós-Graduação em Imunologia (PPGIm-UFBA), Salvador, Brazil
| | - Carina Silva Pinheiro
- Laboratório de Alergia e Acarologia, Instituto de Ciências da Saúde, Universidade Federal da Bahia (UFBA), Salvador, Brazil
| | - Luis Gustavo Carvalho Pacheco
- Laboratório de Alergia e Acarologia, Instituto de Ciências da Saúde, Universidade Federal da Bahia (UFBA), Salvador, Brazil
| | - Neuza Maria Alcantara-Neves
- Laboratório de Alergia e Acarologia, Instituto de Ciências da Saúde, Universidade Federal da Bahia (UFBA), Salvador, Brazil.,Programa de Pós-Graduação em Imunologia (PPGIm-UFBA), Salvador, Brazil
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Hisamuddin N, Shaik Mossadeq WM, Sulaiman MR, Abas F, Leong SW, Kamarudin N, Ong HM, Ahmad Azmi AF, Ayumi RR, Talib M. Anti-Edematogenic and Anti-Granuloma Activity of a Synthetic Curcuminoid Analog, 5-(3,4-Dihydroxyphenyl)-3-hydroxy-1-(2-hydroxyphenyl)penta-2,4-dien-1-one, in Mouse Models of Inflammation. Molecules 2019; 24:molecules24142614. [PMID: 31323775 PMCID: PMC6680833 DOI: 10.3390/molecules24142614] [Citation(s) in RCA: 5] [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: 05/17/2019] [Revised: 06/08/2019] [Accepted: 06/12/2019] [Indexed: 12/22/2022] Open
Abstract
Curcumin, derived from the rhizome Curcuma longa, has been scientifically proven to possess anti-inflammatory activity but is of limited clinical and veterinary use owing to its low bioavailability and poor solubility. Hence, analogs of curcuminoids with improved biological properties have been synthesized to overcome these limitations. This study aims to provide the pharmacological basis for the use of 5-(3,4-dihydroxyphenyl)-3-hydroxy-1-(2-hydroxyphenyl)penta-2,4-dien-1-one (DHHPD), a synthetic curcuminoid analog, as an anti-edematogenic and anti-granuloma agent. The carrageenan-induced paw edema and the cotton pellet-induced granuloma assays were used to assess the anti-inflammatory activity of DHHPD in mice. The effects of DHHPD on the histaminergic, serotonergic, and bradykininergic systems were determined by the histamine-, serotonin-, and bradykinin-induced paw edema tests, respectively. DHHPD (0.1, 0.3, 1, and 3 mg/kg, intraperitoneal) evoked significant reductions (p < 0.05) in carrageenan-induced paw edema at different time intervals and granuloma formation (p < 0.0001) by 22.08, 32.57, 37.20, and 49.25%, respectively. Furthermore, DHHPD significantly reduced paw edema (p < 0.05) induced by histamine, serotonin, and bradykinin. The present study suggests that DHHPD exerts anti-edematogenic activity, possibly by inhibiting the synthesis or release of autacoid mediators of inflammation through the histaminergic, serotonergic, and bradykininergic systems. The anti-granuloma effect may be attributed to the suppression of transudative, exudative, and proliferative activities associated with inflammation.
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Affiliation(s)
- Nadia Hisamuddin
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Wan Mastura Shaik Mossadeq
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia.
| | - Mohd Roslan Sulaiman
- Department of Biomedical Sciences Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Faridah Abas
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Laboratory of Natural Products, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Sze Wei Leong
- Laboratory of Natural Products, Institute of Bioscience, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Nadhirah Kamarudin
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Hui Ming Ong
- Department of Biomedical Sciences Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Ahmad Farhan Ahmad Azmi
- Department of Biomedical Sciences Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Rasyidah Ryta Ayumi
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Madihah Talib
- Department of Veterinary Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
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Saito K, Abe N, Toyama H, Ejima Y, Yamauchi M, Mushiake H, Kazama I. Second-Generation Histamine H1 Receptor Antagonists Suppress Delayed Rectifier K +-Channel Currents in Murine Thymocytes. BIOMED RESEARCH INTERNATIONAL 2019; 2019:6261951. [PMID: 31183371 PMCID: PMC6515180 DOI: 10.1155/2019/6261951] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 03/31/2019] [Accepted: 04/18/2019] [Indexed: 01/31/2023]
Abstract
BACKGROUND/AIMS Voltage-dependent potassium channels (Kv1.3) are predominantly expressed in lymphocyte plasma membranes. These channels are critical for the activation and proliferation of lymphocytes. Since second-generation antihistamines are lipophilic and exert immunomodulatory effects, they are thought to affect the lymphocyte Kv1.3-channel currents. METHODS Using the patch-clamp whole-cell recording technique in murine thymocytes, we tested the effects of second-generation antihistamines, such as cetirizine, fexofenadine, azelastine, and terfenadine, on the channel currents and the membrane capacitance. RESULTS These drugs suppressed the peak and the pulse-end currents of the channels, although the effects of azelastine and terfenadine on the peak currents were more marked than those of cetirizine and fexofenadine. Both azelastine and terfenadine significantly lowered the membrane capacitance. Since these drugs did not affect the process of endocytosis in lymphocytes, they were thought to have interacted directly with the plasma membranes. CONCLUSIONS Our study revealed for the first time that second-generation antihistamines, including cetirizine, fexofenadine, azelastine, and terfenadine, exert suppressive effects on lymphocyte Kv1.3-channels. The efficacy of these drugs may be related to their immunomodulatory mechanisms that reduce the synthesis of inflammatory cytokine.
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Affiliation(s)
- Kazutomo Saito
- Department of Anesthesiology, Tohoku University Hospital, Seiryo-cho, Aoba-ku, Sendai, Miyagi, Japan
| | - Nozomu Abe
- Department of Anesthesiology, Tohoku University Hospital, Seiryo-cho, Aoba-ku, Sendai, Miyagi, Japan
| | - Hiroaki Toyama
- Department of Anesthesiology, Tohoku University Hospital, Seiryo-cho, Aoba-ku, Sendai, Miyagi, Japan
| | - Yutaka Ejima
- Department of Anesthesiology, Tohoku University Hospital, Seiryo-cho, Aoba-ku, Sendai, Miyagi, Japan
| | - Masanori Yamauchi
- Department of Anesthesiology, Tohoku University Hospital, Seiryo-cho, Aoba-ku, Sendai, Miyagi, Japan
| | - Hajime Mushiake
- Department of Physiology, Tohoku University Graduate School of Medicine, Seiryo-cho, Aoba-ku, Sendai, Miyagi, Japan
| | - Itsuro Kazama
- Department of Physiology, Tohoku University Graduate School of Medicine, Seiryo-cho, Aoba-ku, Sendai, Miyagi, Japan
- Miyagi University, School of Nursing, Gakuen, Taiwa-cho, Kurokawa-gun, Miyagi, Japan
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Rustler K, Pockes S, König B. Light-Switchable Antagonists for the Histamine H 1 Receptor at the Isolated Guinea Pig Ileum. ChemMedChem 2019; 14:636-644. [PMID: 30628180 DOI: 10.1002/cmdc.201800815] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Indexed: 12/13/2022]
Abstract
The histamine H1 G protein-coupled receptor (GPCR) plays an important role in allergy and inflammation. Existing drugs that address the H1 receptor differ in their chemical structure, pharmacology, and side effects. Light-controllable spatial and temporal activity regulation of photochromic H1 ligands may contribute to a better mechanistic understanding and the development of improved correlations between ligand structure and pharmacologic effects. We report photochromic H1 receptor ligands, which were investigated in an organ-pharmacological assay. Initially, five photochromic azobenzene derivatives of reported dual H1 -H4 receptor antagonists were designed, synthesized, photochemically characterized, and organ-pharmacologically tested on the isolated guinea pig ileum. Among them, one compound [trans-19: (Z)-1-(4-chlorophenyl)-1-(4-methylpiperazin-1-yl)-N-(4-((E)-phenyldiazenyl)phenyl)methanimine] retained the antagonistic activity of its non-photochromic lead, and trans-cis isomerization by irradiation induced a fourfold difference in the pharmacological response. Further structural optimization resulted in two bathochromically shifted derivatives of 19 [NO2 -substituted 35 {(Z)-1-(4-chlorophenyl)-1-(4-methylpiperazin-1-yl)-N-(4-((E)-(4-nitrophenyl)diazenyl)phenyl)methanimine} and SO3 - -substituted 41 {4-((E)-(4-(((Z)-(4-chlorophenyl)(4-methylpiperazin-1-yl)methylene)amino)phenyl)diazenyl)benzenesulfonate}], which do not require the use of UV light for photoisomerization and which also have improved solubility and show reduced tissue impairment. The trans isomers of both compounds showed a remarkable increase in antagonistic activity relative to their lead trans-19; furthermore, a 46-fold difference in activity on the isolated guinea pig ileum was observed between trans- and cis-35.
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Affiliation(s)
- Karin Rustler
- Institute of Organic Chemistry, Faculty of Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
| | - Steffen Pockes
- Institute of Pharmacy, Faculty of Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
| | - Burkhard König
- Institute of Organic Chemistry, Faculty of Chemistry and Pharmacy, University of Regensburg, Universitätsstraße 31, 93053, Regensburg, Germany
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Ekstrand C, Ingvast-Larsson C, Bondesson U, Hedeland M, Olsén L. Cetirizine per os: exposure and antihistamine effect in the dog. Acta Vet Scand 2018; 60:77. [PMID: 30477556 PMCID: PMC6258303 DOI: 10.1186/s13028-018-0431-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 11/20/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Cetirizine is an antihistamine used in dogs, but plasma concentrations in relation to effect after oral administration are not well studied. This study investigated cetirizine exposure and the plasma cetirizine concentration-antihistamine response relation in the dog following oral administration of cetirizine. RESULTS Eight Beagle dogs were included in a cross-over study consisting of two treatments. In treatment one, cetirizine 2-4 mg/kg was administered per os once daily for 3 days. The other treatment served as a control. Wheal diameter induced by intra-dermal histamine injections served as response-biomarker. Cetirizine plasma concentration was quantified by UHPLC-MS/MS. Median (range) cetirizine plasma terminal half-life was 10 h (7.9-16.5). Cetirizine significantly inhibited wheal formation compared with the premedication baseline. Maximum inhibition of wheal formation after treatment with cetirizine per os was 100% compared with premedication wheal diameter. The median (range) IC50-value for reduction in wheal area was 0.33 µg/mL (0.07-0.45). The median (range) value for the sigmoidicity factor was 1.8 (0.8-3.5). A behavioral study was also conducted and revealed no adverse effects, such as sedation. CONCLUSION The results indicate that a once-daily dosing regimen of 2-4 mg/kg cetirizine per os clearly provides a sufficient antihistamine effect. Based on this experimental protocol, cetirizine may be an option to treat histamine-mediated inflammation in the dog based on this experimental protocol but additional clinical studies are required.
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Affiliation(s)
- Carl Ekstrand
- Department of Biomedicine and Veterinary Public Health, Division of Pharmacology and Toxicology, Swedish University of Agricultural Sciences, P.O. Box 7028, 750 07 Uppsala, Sweden
| | - Carina Ingvast-Larsson
- Department of Biomedicine and Veterinary Public Health, Division of Pharmacology and Toxicology, Swedish University of Agricultural Sciences, P.O. Box 7028, 750 07 Uppsala, Sweden
| | - Ulf Bondesson
- Department of Chemistry, Environment and Feed Hygiene, National Veterinary Institute, Uppsala, Sweden
- Department of Medicinal Chemistry, Division of Analytical Pharmaceutical Chemistry, Uppsala University, Uppsala, Sweden
| | - Mikael Hedeland
- Department of Chemistry, Environment and Feed Hygiene, National Veterinary Institute, Uppsala, Sweden
- Department of Medicinal Chemistry, Division of Analytical Pharmaceutical Chemistry, Uppsala University, Uppsala, Sweden
| | - Lena Olsén
- Department of Biomedicine and Veterinary Public Health, Division of Pharmacology and Toxicology, Swedish University of Agricultural Sciences, P.O. Box 7028, 750 07 Uppsala, Sweden
- Department of Clinical Sciences, Division of Veterinary Nursing, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Kandil OM, Hassan NMF, Sedky D, Ata EB, Nassar SA, Shalaby HA, Nanev V, Tsocheva-Gaytandzhieva N, Gabrashanska M. Anthelmintic efficacy of Moringa oleifera seed methanolic extract against Fasciola hepatica. J Parasit Dis 2018; 42:391-401. [PMID: 30166786 PMCID: PMC6104228 DOI: 10.1007/s12639-018-1014-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 06/04/2018] [Indexed: 01/04/2023] Open
Abstract
The current study was carried out to assess in vitro and in vivo effects of Moringa oleifera seed methanolic extract on Fasciola hepatica to develop an alternative source of treatment. The in vitro ovicidal effect of M. oleifera seed extract on immature F. hepatica eggs has provided evidence of inhibitory activity on the vitality and hatchability of F. hepatica eggs. This inhibitory activity was concentration-dependent and also correlated strongly with the exposure time. In the in vivo trial, the oral administration of F. hepatica experimentally infected rabbits with doses of 150 mg/kg BW prepared extract per day for 3 consecutive days on the 63rd day post infection confirmed potent fasciolicide activity of the extract. A gradual decrease in fecal egg count (FEC) was detected from the 1st day post treatment until reaching 100% FEC reduction by the 7th day post treatment. No flukes could be found at post mortem examinations. Significant increments of serum total protein, globulin, the activities of ALT and AST, total cholesterol, triglycerides and urea were recorded during the period of infection, which were improved by treatment. Remarkable histopathological alterations were observed in the infected liver and gallbladder tissues which decreased clearly in the treated rabbits. This study proposes that the used extract has promising and potent fasciolicide activity.
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Affiliation(s)
- Omnia M. Kandil
- Department of Parasitology and Animal Diseases, National Research Centre (NRC), P.O. Box 12622, 133 El-Behouth Street, Dokki, Cairo, Egypt
| | - Noha M. F. Hassan
- Department of Parasitology and Animal Diseases, National Research Centre (NRC), P.O. Box 12622, 133 El-Behouth Street, Dokki, Cairo, Egypt
| | - Doaa Sedky
- Department of Parasitology and Animal Diseases, National Research Centre (NRC), P.O. Box 12622, 133 El-Behouth Street, Dokki, Cairo, Egypt
| | - Emad B. Ata
- Department of Parasitology and Animal Diseases, National Research Centre (NRC), P.O. Box 12622, 133 El-Behouth Street, Dokki, Cairo, Egypt
| | - Somia A. Nassar
- Department of Parasitology and Animal Diseases, National Research Centre (NRC), P.O. Box 12622, 133 El-Behouth Street, Dokki, Cairo, Egypt
| | - Hatem A. Shalaby
- Department of Parasitology and Animal Diseases, National Research Centre (NRC), P.O. Box 12622, 133 El-Behouth Street, Dokki, Cairo, Egypt
| | - Veselin Nanev
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. G. Bonchev St, Bl. 25, 1113 Sofia, Bulgaria
| | - Neli Tsocheva-Gaytandzhieva
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. G. Bonchev St, Bl. 25, 1113 Sofia, Bulgaria
| | - Margarita Gabrashanska
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. G. Bonchev St, Bl. 25, 1113 Sofia, Bulgaria
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Li S, Peng J, Chen F, Pan Z, Peng H, Chen Y, He Y, Wang X. High performance liquid chromatography associated with resonance Rayleigh scattering for synchronous determination of three antihistamines and mechanism study. LUMINESCENCE 2018; 33:1171-1179. [DOI: 10.1002/bio.3532] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 06/13/2018] [Accepted: 06/20/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Shiyu Li
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
| | - Jingdong Peng
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
| | - Fang Chen
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
| | - Ziyu Pan
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
| | - Huanjun Peng
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
| | - Yu Chen
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
| | - Yan He
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
| | - Xiang Wang
- College of Chemistry and Chemical EngineeringSouthwest University No.2 Tiansheng Road Beibei District, Chongqing P. R. China
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Chigbu DI, Minhas BK. Immunopathology of Allergic Conjunctivitis. EUROPEAN MEDICAL JOURNAL 2018. [DOI: 10.33590/emj/10312711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Allergic conjunctivitis is predominantly an immunoglobulin E-mediated hypersensitivity reaction to environmental allergens. Allergic diseases affect >30% of the world’s population, of which 40% report associated ocular manifestations. Cellular and soluble mediators play a major role in the pathophysiology of allergic conjunctivitis. Mast cells, which are major effector cells of allergic conjunctivitis, undergo activation and degranulation to release histamine, tryptase, prostaglandins, leukotrienes, and cytokines. These mediators play important roles in immunopathological mechanisms that generate the clinical manifestations of allergic conjunctivitis. These clinical features include conjunctival hyperaemia, chemosis, tearing, itching, papillae, mucus discharge, and eyelid oedema. Histamine mediates the early phase of the allergic immune response, whereas lipid mediators and cytokines are involved in the late phase of the immunopathology of allergic conjunctivitis. Current management of allergic conjunctivitis includes non-pharmacological approaches such as allergen avoidance and palliative therapy, whereas pharmacological therapeutic modalities may include antihistamine–mast cell stabiliser combination ophthalmic formulations and allergen-specific immunotherapy. Furthermore, as cellular and soluble mediators play a pivotal role in the immunopathogenesis and immunopathology of allergic conjunctivitis, development of immunotherapeutic and pharmacotherapeutic agents specific to these mediators can enhance the therapeutic index and safety profile of anti-allergy treatment.
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Affiliation(s)
- DeGaulle I. Chigbu
- Pennsylvania College of Optometry, Salus University, Elkins Park, Pennsylvania, USA
| | - Bhawanjot K. Minhas
- Pennsylvania College of Optometry, Salus University, Elkins Park, Pennsylvania, USA
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Maciel-Guerra H, Penha MÁ, Jorge MFS, Libório RDS, Carrijo ACNDA, Parise-Fortes MR, Miot HA. Suppression of wheal and flare in histamine test by the main H1 antihistamines commercialized in Brazil. An Bras Dermatol 2018; 93:233-237. [PMID: 29723372 PMCID: PMC5916396 DOI: 10.1590/abd1806-4841.20186807] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 02/14/2017] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Several dermatoses are mediated by histamine, such as urticaria, angioedema, and papular urticaria. There are no Brazilian studies comparing the potency of antihistamines. OBJECTIVES To evaluate the tolerability and efficacy of the main commercial brand and generic H1 antihistamines, regarding the suppression of the wheal and flare to the histamine test. METHODS A quasi-experimental, open study with 10 healthy adults submitted to the histamine test on the ventral aspect of the forearms. After 20 minutes, wheal and flares were measured. The tests were performed after two hours of intake of dexchlorpheniramine, hydroxyzine, levocetirizine, fexofenadine, cetirizine, loratadine, ebastine, desloratadine, epinastine and rupatadine, as well as generics of loratadine, cetirizine and fexofenadine. RESULTS All antihistamines presented a reduction in the wheal compared to the control (p <0.02), as well as in the flare, except for rupatadine (p = 0.70). In the internal comparison, cetirizine, fexofenadine, epinastine, levocetirizine, dexchlorpheniramine and hydroxyzine were the most potent, with no difference between them (p > 0.1). As for halo, cetirizine, epinastine, hydroxyzine and fexofenadine were the most potent, with no difference between them (p > 0.1). The most common adverse effect was drowsiness, which was more prevalent among first-generation drugs (p < 0.01). Generic loratadine, fexofenadine and cetirizine halos were higher than their controls (p <0.03).. STUDY LIMITATIONS A single-center study evaluating only aspects related to histamine. CONCLUSIONS Brazilian commercial antihistamines presented different profiles of inhibition of wheal and flares in the histamine test, as well as adverse effects. Generic loratadine, fexofenadine and cetirizine presented larger flares than brand drugs.
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Affiliation(s)
- Helena Maciel-Guerra
- Medical school student, Faculdade de Medicina de Botucatu -
Universidade Estadual Paulista "Júlio de Mesquita Filho" (FMB-Unesp) -
Botucatu (SP), Brazil
| | - Mariana Álvares Penha
- Department of Dermatology and Radiotherapy, Faculdade de Medicina
de Botucatu - Universidade Estadual Paulista "Júlio de Mesquita Filho"
(FMB-Unesp) - Botucatu (SP), Brazil
| | - Marília Formentini Scotton Jorge
- Department of Dermatology and Radiotherapy, Faculdade de Medicina
de Botucatu - Universidade Estadual Paulista "Júlio de Mesquita Filho"
(FMB-Unesp) - Botucatu (SP), Brazil
| | - Ricardo da Silva Libório
- Department of Dermatology and Radiotherapy, Faculdade de Medicina
de Botucatu - Universidade Estadual Paulista "Júlio de Mesquita Filho"
(FMB-Unesp) - Botucatu (SP), Brazil
| | - Ana Cláudia Nazareno dos Anjos Carrijo
- Department of Dermatology and Radiotherapy, Faculdade de Medicina
de Botucatu - Universidade Estadual Paulista "Júlio de Mesquita Filho"
(FMB-Unesp) - Botucatu (SP), Brazil
| | - Maria Rita Parise-Fortes
- Department of Dermatology and Radiotherapy, Faculdade de Medicina
de Botucatu - Universidade Estadual Paulista "Júlio de Mesquita Filho"
(FMB-Unesp) - Botucatu (SP), Brazil
| | - Hélio Amante Miot
- Department of Dermatology and Radiotherapy, Faculdade de Medicina
de Botucatu - Universidade Estadual Paulista "Júlio de Mesquita Filho"
(FMB-Unesp) - Botucatu (SP), Brazil
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Paśko P, Rodacki T, Domagała-Rodacka R, Palimonka K, Marcinkowska M, Owczarek D. Second generation H1 - antihistamines interaction with food and alcohol-A systematic review. Biomed Pharmacother 2017. [PMID: 28622592 DOI: 10.1016/j.biopha.2017.06.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Histamine is a mediator of many physiological processes. It plays an important role in modulating allergy reactions and immune system responses. H1 receptor is a therapeutic target for drugs applied in allergic diseases such as allergic rhinoconjunctivitis, urticarial, or atopic dermatitis. H1-antihistamines display different chemical structures, pharmacokinetics and a potential for drug-drug and drug-food interactions. Drug-food interactions are known to reduce therapeutic effects of the medicine, as well as to induce a potent adverse drug reactions. Considering it all, a systematic review was conducted to investigate the importance of drug-food interaction for H1-antihistamine drugs. As non-sedating second generation H1-antihistamines remain to be drugs of choice in treating allergic conditions, the review has been focused on this particular class of medicines. The aim of this paper is to examine the evidence of food-drug and food-alcohol interactions for second generation H1-antihistamine drugs. A systematic literature queries were performed in the following databases: Medline (via PubMed), Cochrane Library, Embase and Web of Science (all from their inception date till October 2016). The queries covered nine specific names of second generation anthistamine drugs, namely bilastine, cetirizine, desloratadine, ebastine, fexofenadine, levocetirizine, loratadine, mizolastine, and rupatadine, in combinations with such terms as "food", "juice", "grapefruit", "fruits", "alcohol", "pharmacokinetics", and "meal". Additional publications were found by checking all the reference lists. Where none data on drug-food interaction could be found within the investigated databases, a specific drug prescribing information was used. 2326 publications were identified with the database queries. Articles were subjected to analysis by reviewing their title, abstract and full text; duplicated papers were removed. Having collected a complete set of data, a critical review was undertaken. For selected H1-antihistamines food, fruit juices or alcohol consumption may significantly impact the efficacy and safety of the therapy. This issue shall be well understood to educate patients properly, as it provides the major therapeutic element in allergic diseases.
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Affiliation(s)
- Paweł Paśko
- Department of Food Chemistry and Nutrition, Faculty of Pharmacy, Jagiellonian University Medical College, 30-688 Kraków, Poland.
| | - Tomasz Rodacki
- Department of Food Chemistry and Nutrition, Faculty of Pharmacy, Jagiellonian University Medical College, 30-688 Kraków, Poland
| | - Renata Domagała-Rodacka
- Department of Gastroenterology, Hepatology and Infectious Diseases, Faculty of Medicine, Jagiellonian University Medical College, 31-531 Kraków, Poland
| | - Krzysztof Palimonka
- Department of Rescue Medicine, Faculty of Health and Medical Science, Andrzej Frycz Modrzewski Krakow University, 30-705 Kraków, Poland
| | - Monika Marcinkowska
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jagiellonian University Medical College, 30-688 Kraków, Poland
| | - Danuta Owczarek
- Department of Rescue Medicine, Faculty of Health and Medical Science, Andrzej Frycz Modrzewski Krakow University, 30-705 Kraków, Poland
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31
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Chronische Urtikaria im Kindesalter. Monatsschr Kinderheilkd 2017. [DOI: 10.1007/s00112-017-0273-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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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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Pietschmann T. Clinically Approved Ion Channel Inhibitors Close Gates for Hepatitis C Virus and Open Doors for Drug Repurposing in Infectious Viral Diseases. J Virol 2017; 91:e01914-16. [PMID: 27807238 PMCID: PMC5215334 DOI: 10.1128/jvi.01914-16] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Chronic hepatitis C virus (HCV) infection causes severe liver disease and affects ca. 146 million individuals. Novel directly acting antivirals targeting HCV have revolutionized treatment. However, high costs limit access to therapy. Recently, several related drugs used in humans to treat allergies or as neuroleptics emerged as potent HCV cell entry inhibitors. Insights into their antiviral modes of action may increase opportunities for drug repurposing in hepatitis C and possibly other important human viral infections.
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Affiliation(s)
- Thomas Pietschmann
- Institute for Experimental Virology, TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany, and German Centre for Infection Research, Hannover-Braunschweig, Germany
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He S, Xiao J, Dulcey AE, Lin B, Rolt A, Hu Z, Hu X, Wang AQ, Xu X, Southall N, Ferrer M, Zheng W, Liang TJ, Marugan JJ. Discovery, Optimization, and Characterization of Novel Chlorcyclizine Derivatives for the Treatment of Hepatitis C Virus Infection. J Med Chem 2016; 59:841-53. [PMID: 26599718 PMCID: PMC4753534 DOI: 10.1021/acs.jmedchem.5b00752] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Recently, we reported that chlorcyclizine (CCZ, Rac-2), an over-the-counter antihistamine piperazine drug, possesses in vitro and in vivo activity against hepatitis C virus. Here, we describe structure-activity relationship (SAR) efforts that resulted in the optimization of novel chlorcyclizine derivatives as anti-HCV agents. Several compounds exhibited EC50 values below 10 nM against HCV infection, cytotoxicity selectivity indices above 2000, and showed improved in vivo pharmacokinetic properties. The optimized molecules can serve as lead preclinical candidates for the treatment of hepatitis C virus infection and as probes to study hepatitis C virus pathogenesis and host-virus interaction.
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Affiliation(s)
- Shanshan He
- Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , 10 Center Drive, Bethesda, Maryland 20892, United States
| | - Jingbo Xiao
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Andrés E Dulcey
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Billy Lin
- Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , 10 Center Drive, Bethesda, Maryland 20892, United States
| | - Adam Rolt
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Zongyi Hu
- Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , 10 Center Drive, Bethesda, Maryland 20892, United States
| | - Xin Hu
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Amy Q Wang
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Xin Xu
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Noel Southall
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Marc Ferrer
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - Wei Zheng
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
| | - T Jake Liang
- Liver Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health , 10 Center Drive, Bethesda, Maryland 20892, United States
| | - Juan J Marugan
- Division of Pre-Clinical Innovations, National Center for Advancing Translational Sciences, National Institutes of Health , 9800 Medical Center Drive, Rockville, Maryland 20850, United States
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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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Criado PR, Criado RFJ, Maruta CW, Reis VMSD. Chronic urticaria in adults: state-of-the-art in the new millennium. An Bras Dermatol 2015; 90:74-89. [PMID: 25672302 PMCID: PMC4323701 DOI: 10.1590/abd1806-4841.20153509] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 06/04/2014] [Indexed: 11/21/2022] Open
Abstract
Chronic urticaria has been explored in several investigative aspects in the new
millennium, either as to its pathogenesis, its stand as an autoimmune or
auto-reactive disease, the correlation with HLA-linked genetic factors, especially
with class II or its interrelation with the coagulation and fibrinolysis systems. New
second-generation antihistamines, which act as good symptomatic drugs, emerged and
were commercialized over the last decade. Old and new drugs that may interfere with
the pathophysiology of the disease, such as cyclosporine and omalizumab have been
developed and used as treatments. The purpose of this article is to describe the
current state of knowledge on aspects of chronic urticaria such as, pathophysiology,
diagnosis and the current therapeutic approach proposed in the literature.
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Chigbu DI, Coyne AM. Update and clinical utility of alcaftadine ophthalmic solution 0.25% in the treatment of allergic conjunctivitis. Clin Ophthalmol 2015; 9:1215-25. [PMID: 26185412 PMCID: PMC4501164 DOI: 10.2147/opth.s63790] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Allergic disorders of the ocular surface are primarily characterized as IgE- and/or T-lymphocyte-mediated disorders that affect the cornea, conjunctiva, and eyelid. Approximately 40% of individuals in the developed countries have allergic conjunctivitis, and as such, it is the most common form of ocular allergy. Seasonal allergic conjunctivitis is the most prevalent type of allergic conjunctivitis that impacts the quality of life of patients. This article reviews the pharmacology, pharmacodynamics, pharmacokinetics, clinical trials, clinical efficacy, and safety of alcaftadine. Histamine and the pathological mechanism of ocular allergy will be briefly reviewed with the intent of providing a background for the detailed discussion on the clinical utility of alcaftadine in allergic conjunctivitis. The Medline PubMed, Elsevier Science Direct, and Google Scholar databases were used to search for evidence-based literature on histamine and immunopathological mechanism of allergic conjunctivitis, as well as on pharmacology, pharmacodynamics, pharmacokinetics, clinical trials, and clinical efficacy of alcaftadine. The treatment and management goals of allergic conjunctivitis are to prevent or minimize the inflammatory cascade associated with allergic response in the early stages of the pathological mechanism. It is of note that activation of histamine receptors on immune and nonimmune cells are associated with allergen-induced inflammation of the conjunctiva and its associated ocular allergic manifestations, including itching, edema, hyperemia, and tearing. Alcaftadine is an efficacious multiple action antiallergic therapeutic agent with inverse agonist activity on H1, H2, and H4 receptors, as well as anti-inflammatory and mast cell stabilizing effects that could provide therapeutic benefits to patients with allergic conjunctivitis.
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Affiliation(s)
- DeGaulle I Chigbu
- Pennsylvania College of Optometry Salus University, Elkins Park, PA, USA
| | - Alissa M Coyne
- Pennsylvania College of Optometry Salus University, Elkins Park, PA, USA
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Update on Antihistamine Treatment for Chronic Urticaria in Children. CURRENT TREATMENT OPTIONS IN ALLERGY 2014. [DOI: 10.1007/s40521-014-0023-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Krystal AD, Richelson E, Roth T. Review of the histamine system and the clinical effects of H1 antagonists: Basis for a new model for understanding the effects of insomnia medications. Sleep Med Rev 2013; 17:263-72. [DOI: 10.1016/j.smrv.2012.08.001] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2011] [Revised: 08/09/2012] [Accepted: 08/09/2012] [Indexed: 11/27/2022]
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Barbosa MDCL, Bouskela E, Cyrino FZGA, Azevedo APS, Costa MCP, de Souza MDGC, Santos DS, Barbosa FL, Guerra LFA, Nascimento MDDSB. Effects of babassu nut oil on ischemia/reperfusion-induced leukocyte adhesion and macromolecular leakage in the microcirculation: observation in the hamster cheek pouch. Lipids Health Dis 2012; 11:158. [PMID: 23158555 PMCID: PMC3543308 DOI: 10.1186/1476-511x-11-158] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Accepted: 10/26/2012] [Indexed: 11/22/2022] Open
Abstract
Background The babassu palm tree is native to Brazil and is most densely distributed in the Cocais region of the state of Maranhão, in northeastern Brazil. In addition to the industrial use of refined babassu oil, the milk, the unrefined oil and the nuts in natura are used by families from several communities of African descendants as one of the principal sources of food energy. The objective of this study was to evaluate the effects of babassu oil on microvascular permeability and leukocyte-endothelial interactions induced by ischemia/reperfusion using the hamster cheek pouch microcirculation as experimental model. Methods Twice a day for 14 days, male hamsters received unrefined babassu oil (0.02 ml/dose [BO-2 group], 0.06 ml/dose [BO-6 group], 0.18 ml/dose [BO-18 group]) or mineral oil (0.18 ml/dose [MO group]). Observations were made in the cheek pouch and macromolecular permeability increase induced by ischemia/reperfusion (I/R) or topical application of histamine, as well as leukocyte-endothelial interaction after I/R were evaluated. Results The mean value of I/R-induced microvascular leakage, determined during reperfusion, was significantly lower in the BO-6 and BO-18 groups than in the MO one (P < 0.001). In addition, histamine-induced increase of microvascular permeability was significantly less pronounced in BO groups compared to MO one. No significant differences among groups in terms of leukocyte adhesion, concentrations of tumor necrosis factor alpha, interleukin 1, and interleukin 6 were found. Conclusions Our findings suggest that unrefined babassu oil reduced microvascular leakage and protected against histamine-induced effects in postcapillary venules and highlights that these almost unexploited nut and its oil might be secure sources of food energy.
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Affiliation(s)
- Maria do Carmo L Barbosa
- Laboratory of Basic and Applied Immunology, Center for Biological and Health Sciences, Federal University of Maranhão, Bacanga Campus, Av, dos Portugueses s/n, Bloco 3, sala 3A, 65085-580, São Luís MA, Brazil.
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Costa IMC, Vallarelli AFA, Bonamigo RR, Reis VMDS. Historical evolution of the Brazilian Annals of Dermatology. An Bras Dermatol 2012; 87:13-192. [PMID: 22358212 DOI: 10.1590/s0365-05962012000700002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this special edition in celebration of the centennial of the Brazilian Society of Dermatology, the authors take a retrospective look at printed Brazilian dermatology from the very beginning onward, showing evidence of descriptive dermatology with rich discussions, illustrations and advertisements of medications much used at the time, such as bismuth for the treatment of syphilis, before the discovery of penicillin. This retrospective covers up to the current days, when publications in the Brazilian Annals of Dermatology have reached the modern era in electronics, science and layout as well.
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Abstract
The widespread availability of antihistamines in many over-the-counter preparations can lead to significant hazard to the public because of their possible link to potential ventricular arrhythmias secondary to prolongation of QT interval. The effect can be further compounded by the use of other commonly used medications such as macrolides, antifungal agents, antipsychotics, and other antihistamine-containing preparations. The effect of antihistamines on QT interval is not a class effect but is unique to certain medications. Pyrilamine, a first-generation antihistaminic agent, is considered safe as there are no reports regarding its cardiac toxicity available in literature. We report a case of an adolescent with prolonged QT interval after an overdose of pyrilamine.
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