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Nery Neto JADO, Yariwake VY, Câmara NOS, Andrade-Oliveira V. Enteroendocrine cells and gut hormones as potential targets in the crossroad of the gut-kidney axis communication. Front Pharmacol 2023; 14:1248757. [PMID: 37927592 PMCID: PMC10620747 DOI: 10.3389/fphar.2023.1248757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/28/2023] [Indexed: 11/07/2023] Open
Abstract
Recent studies suggest that disruptions in intestinal homeostasis, such as changes in gut microbiota composition, infection, and inflammatory-related gut diseases, can be associated with kidney diseases. For instance, genomic investigations highlight how susceptibility genes linked to IgA nephropathy are also correlated with the risk of inflammatory bowel disease. Conversely, investigations demonstrate that the use of short-chain fatty acids, produced through fermentation by intestinal bacteria, protects kidney function in models of acute and chronic kidney diseases. Thus, the dialogue between the gut and kidney seems to be crucial in maintaining their proper function, although the factors governing this crosstalk are still emerging as the field evolves. In recent years, a series of studies have highlighted the significance of enteroendocrine cells (EECs) which are part of the secretory lineage of the gut epithelial cells, as important components in gut-kidney crosstalk. EECs are distributed throughout the epithelial layer and release more than 20 hormones in response to microenvironment stimuli. Interestingly, some of these hormones and/or their pathways such as Glucagon-Like Peptide 1 (GLP-1), GLP-2, gastrin, and somatostatin have been shown to exert renoprotective effects. Therefore, the present review explores the role of EECs and their hormones as regulators of gut-kidney crosstalk and their potential impact on kidney diseases. This comprehensive exploration underscores the substantial contribution of EEC hormones in mediating gut-kidney communication and their promising potential for the treatment of kidney diseases.
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Affiliation(s)
- José Arimatéa de Oliveira Nery Neto
- Bernardo’s Lab, Center for Natural and Human Sciences, Federal University of ABC, Santo André, Brazil
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Victor Yuji Yariwake
- Bernardo’s Lab, Center for Natural and Human Sciences, Federal University of ABC, Santo André, Brazil
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Niels Olsen Saraiva Câmara
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Vinicius Andrade-Oliveira
- Bernardo’s Lab, Center for Natural and Human Sciences, Federal University of ABC, Santo André, Brazil
- Laboratory of Transplantation Immunobiology, Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
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Dinwiddie AT, Tanz LJ, Bitting J. Notes from the Field: Antihistamine Positivity and Involvement in Drug Overdose Deaths - 44 Jurisdictions, United States, 2019-2020. MMWR. MORBIDITY AND MORTALITY WEEKLY REPORT 2022; 71:1308-1310. [PMID: 36227774 PMCID: PMC9575478 DOI: 10.15585/mmwr.mm7141a4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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An eco-friendly electrochemical process for the formation of a new desloratadine derivative and its antibacterial susceptibility. Report of a new type of ortho-quinhydrone complex. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bai Z, Ai J, Wei X. Histamine and histamine receptor H1 (HRH1) axis: new target for enhancing immunotherapy response. MOLECULAR BIOMEDICINE 2022; 3:11. [PMID: 35378699 PMCID: PMC8980136 DOI: 10.1186/s43556-022-00073-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 03/08/2022] [Indexed: 02/08/2023] Open
Affiliation(s)
- Ziyi Bai
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, People's Republic of China
| | - Jiayuan Ai
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, People's Republic of China
| | - Xiawei Wei
- Laboratory of Aging Research and Cancer Drug Target, State Key Laboratory of Biotherapy, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, No. 17, Block 3, Southern Renmin Road, Chengdu, Sichuan, 610041, People's Republic of China.
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Cho CK, Chang M, Lee SJ, Cho SA, Sung TY. Effects of chlorpheniramine on emergence agitation after general anesthesia for ureteroscopic stone surgery: a retrospective cohort study. Anesth Pain Med (Seoul) 2021; 17:157-164. [PMID: 34784458 PMCID: PMC9091677 DOI: 10.17085/apm.21066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 08/04/2021] [Indexed: 11/21/2022] Open
Abstract
Background The presence of a urinary catheter, postoperative pain, and postoperative nausea and vomiting are risk factors for emergence agitation (EA). Antimuscarinic agents are primary agents used in the prevention and treatment of urinary catheter-related bladder discomfort. Chlorpheniramine has antimuscarinic, antinociceptive, and antiemetic effects. This retrospective study investigated the role of chlorpheniramine in EA prevention following ureteroscopic stone surgery. Methods Of 110 adult patients who underwent ureteroscopic stone surgery under general anesthesia between January and December 2019, the medical records of 93 patients were analyzed retrospectively. The patients were divided into control (n = 52) and chlorpheniramine (n = 41) groups according to the receipt of intravenous chlorpheniramine before the induction of anesthesia. The incidence and severity of EA were compared between the groups as primary and secondary endpoints, respectively. The effects of chlorpheniramine on the requirement for inhalation anesthetic (desflurane) during surgery, changes in mean blood pressure and heart rate during emergence, and adverse events were also compared. Results The incidence (21.2% in the control group, 24.4% in the chlorpheniramine group) and severity of EA did not differ between groups. The intraoperative requirement for desflurane, changes in mean blood pressure and heart rate during emergence, and adverse events were also similar between groups. Conclusions Chlorpheniramine was not associated with a decrease in EA incidence or severity in patients who underwent ureteroscopic stone surgery.
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Affiliation(s)
- Choon-Kyu Cho
- Department of Anesthesiology and Pain Medicine, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
| | - Minhye Chang
- Department of Anesthesiology and Pain Medicine, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
| | - Seok-Jin Lee
- Department of Anesthesiology and Pain Medicine, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
| | - Sung-Ae Cho
- Department of Anesthesiology and Pain Medicine, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
| | - Tae-Yun Sung
- Department of Anesthesiology and Pain Medicine, Konyang University Hospital, Konyang University College of Medicine, Daejeon, Korea
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Fermented Platycodon grandiflorum extract alleviates TNF-α/IFN-γ-induced inflammatory response in HaCaT cells and modulates immune balance on 1-chloro-2,4-dinitrobenzene-induced atopic dermatitis in NC/Nga mice. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104617] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Cingi C, Bayar Muluk N, Mitsias DI, Papadopoulos NG, Klimek L, Laulajainen-Hongisto A, Hytönen M, Toppila-Salmi SK, Scadding GK. The Nose as a Route for Therapy: Part 1. Pharmacotherapy. FRONTIERS IN ALLERGY 2021; 2:638136. [PMID: 35387039 PMCID: PMC8974766 DOI: 10.3389/falgy.2021.638136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 01/08/2021] [Indexed: 12/30/2022] Open
Abstract
This article reviews nasal structure and function in the light of intranasal pharmacotherapy. The nose provides an accessible, fast route for local treatment of nose and sinus diseases, with lower doses than are necessary systemically and few adverse effects. It can also be used for other medications as it has sufficient surface area protected from local damage by mucociliary clearance, absence of digestive enzymes, responsive blood flow, and provides a rapid route to the central nervous system.
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Affiliation(s)
- Cemal Cingi
- Department of Otolaryngology, Eskişehir Osmangazi University, Eskişehir, Turkey
| | - Nuray Bayar Muluk
- Department of Otolaryngology, Kirikkale University, Kirikkale, Turkey
| | - Dimitrios I Mitsias
- Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos G Papadopoulos
- Allergy Department, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece.,Royal Manchester Children's Hospital, Manchester, United Kingdom
| | - Ludger Klimek
- Centre for Rhinology and Allergology, Wiesbaden, Germany
| | - Anu Laulajainen-Hongisto
- Department of Otorhinolaryngology-Head and Neck Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Maija Hytönen
- Department of Otorhinolaryngology-Head and Neck Surgery, Helsinki University Hospital, Helsinki, Finland
| | - Sanna Katriina Toppila-Salmi
- Skin and Allergy Hospital, Helsinki University Central Hospital, Helsinki, Finland.,Faculty of Medicine, The Haartman Institute, University of Helsinki, Helsinki, Finland
| | - Glenis Kathleen Scadding
- University College London Hospitals NHS Foundation Trust, London, United Kingdom.,Royal National Throat Nose and Ear Hospital, London, United Kingdom
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Alnouri G, Cha N, Sataloff RT. Histamine Sensitivity: An Uncommon Recognized Cause of Living Laryngopharyngeal Reflux Symptoms and Signs-A Case Report. EAR, NOSE & THROAT JOURNAL 2020; 101:NP155-NP157. [PMID: 32845804 DOI: 10.1177/0145561320951071] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A 45-year-old female who had undergone Nissen fundoplication for long-standing laryngopharyngeal reflux (LPR) developed episodes of coughing and throat clearing. Strobovideolaryngoscopy demonstrated evidence of LPR with a reflux finding score of 11. A cough workup including a chest X-ray and pulmonology consultation was negative. Consultation with a nutritionist revealed Histamine intolerance. Histamine-free diet resulted in marked improvement in patient's symptoms and examination.
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Affiliation(s)
- Ghiath Alnouri
- Department of Otolaryngology-Head and Neck Surgery, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Nicholas Cha
- Drexel University College of Medicine, Philadelphia, PA, USA
| | - Robert T Sataloff
- Department of Otolaryngology-Head and Neck Surgery, Drexel University College of Medicine, Philadelphia, PA, USA.,Lankenau Institute for Medical Research, Wynnewood, PA, USA
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Watts AM, Cripps AW, West NP, Cox AJ. Modulation of Allergic Inflammation in the Nasal Mucosa of Allergic Rhinitis Sufferers With Topical Pharmaceutical Agents. Front Pharmacol 2019; 10:294. [PMID: 31001114 PMCID: PMC6455085 DOI: 10.3389/fphar.2019.00294] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 03/11/2019] [Indexed: 12/14/2022] Open
Abstract
Allergic rhinitis (AR) is a chronic upper respiratory disease estimated to affect between 10 and 40% of the worldwide population. The mechanisms underlying AR are highly complex and involve multiple immune cells, mediators, and cytokines. As such, the development of a single drug to treat allergic inflammation and/or symptoms is confounded by the complexity of the disease pathophysiology. Complete avoidance of allergens that trigger AR symptoms is not possible and without a cure, the available therapeutic options are typically focused on achieving symptomatic relief. Topical therapies offer many advantages over oral therapies, such as delivering greater concentrations of drugs to the receptor sites at the source of the allergic inflammation and the reduced risk of systemic side effects. This review describes the complex pathophysiology of AR and identifies the mechanism(s) of action of topical treatments including antihistamines, steroids, anticholinergics, decongestants and chromones in relation to AR pathophysiology. Following the literature review a discussion on the future therapeutic strategies for AR treatment is provided.
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Affiliation(s)
- Annabelle M. Watts
- Menzies Health Institute Queensland, School of Medical Science, Griffith University, Southport, QLD, Australia
| | - Allan W. Cripps
- Menzies Health Institute Queensland, School of Medicine, Griffith University, Southport, QLD, Australia
| | - Nicholas P. West
- Menzies Health Institute Queensland, School of Medical Science, Griffith University, Southport, QLD, Australia
| | - Amanda J. Cox
- Menzies Health Institute Queensland, School of Medical Science, Griffith University, Southport, QLD, Australia
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Allen SJ, Chazot PL, Dixon CJ. Can H 2 -receptor upregulation and raised histamine explain an anaphylactoid reaction on cessation of ranitidine in a 19-year-old female? A case report. Br J Clin Pharmacol 2018; 84:1611-1616. [PMID: 29667234 PMCID: PMC6005605 DOI: 10.1111/bcp.13578] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 02/16/2018] [Accepted: 02/27/2018] [Indexed: 11/29/2022] Open
Abstract
The anaphylactoid reaction described follows cessation of ranitidine in a 19-year-old female with the disease cluster: mast cell activation syndrome, hypermobile Ehlers-Danlos syndrome and postural tachycardia syndrome. Anaphylaxis can give wide-ranging symptoms from rhinorrhoea and urticaria to tachycardia and system-wide, life-threatening, anaphylactic shock. Individuals with a disorder of mast cell activation can experience many such symptoms. H2 receptor antagonists, such as ranitidine, are commonly prescribed in this population. A mechanism for the reaction is proposed in the context of ranitidine, as an inverse agonist, causing upregulation of H2 histamine receptors and raised histamine levels due to enzyme induction. This effect, following extended and/or high antihistamine dosing, may have implications for other individuals with a disorder of mast cell activation, such as mastocytosis or mast cell activation syndrome. There are potential policy and patient guidance implications for primary and secondary care with respect to cessation of H2 antagonists.
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Affiliation(s)
- Susan J. Allen
- Pharmacy Practice, Leicester School of PharmacyDe Montfort UniversityLeicesterUK
| | - Paul L. Chazot
- Pharmacology, Department of BiosciencesDurham UniversityDurhamUK
| | - C. Jane Dixon
- Pharmacology, Leicester School of PharmacyDe Montfort UniversityLeicesterUK
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The Microbial Endocrinology of Pseudomonas aeruginosa: Inflammatory and Immune Perspectives. Arch Immunol Ther Exp (Warsz) 2018. [PMID: 29541797 DOI: 10.1007/s00005-018-0510-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Pseudomonas aeruginosa is a major pathogen responsible for both acute and chronic infection. Known as a colonising pathogen of the cystic fibrosis (CF) lung, it is implicated in other settings such as bronchiectasis. It has the ability to cause acute disseminated or localised infection particularly in the immunocompromised. Human hormones have been highlighted as potential regulators of bacterial virulence through crosstalk between analogous "quorum sensing" (QS) systems present in the bacteria that respond to mammalian hormones. Pseudomonas aeruginosa is known to utilise interconnected QS systems to coordinate its virulence and evade various aspects of the host immune system activated in response to infection. Several human hormones demonstrate an influence on P. aeruginosa growth and virulence. This inter-kingdom signalling, termed "microbial endocrinology" has important implications for host-microbe interaction during infection and, potentially opens up novel avenues for therapeutic intervention. This phenomenon, supported by the existence of sexual dichotomies in both microbial infection and chronic lung diseases such as CF is potentially explained by sex hormones and their influence on the infective process. This review summarises our current understanding of the microbial endocrinology of P. aeruginosa, including its endogenous QS systems and their intersection with human endocrinology, pathogenesis of infection and the host immune system.
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Munkboel CH, Hasselstrøm SB, Kristensen DM, Styrishave B. Effects of antihistamines on the H295R steroidogenesis - Autocrine up-regulation following 3β-HSD inhibition. Toxicol In Vitro 2018; 48:302-309. [PMID: 29409762 DOI: 10.1016/j.tiv.2018.01.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 01/02/2018] [Accepted: 01/28/2018] [Indexed: 01/13/2023]
Abstract
Millions of people of all ages suffer from allergies worldwide and as a consequence antihistamines are among the most commonly prescribed pharmaceuticals in the world. We investigated the disruptive effects of three antihistamines, promethazine (PMZ), cetirizine (CET) and fexofenadine (FEX) on the H295R steroidogenesis. A multi-steroid LC-MS/MS method was used to quantify 13 steroid hormones in the steroidogenesis. In addition, real-time RT-PCR was used to determine if exposure to antihistamines altered gene expression in the cell line. When exposing the H295R cells to PMZ and CET, significant increases in Δ5-steroids and significant decreases in Δ4-steroids were observed, indicating an inhibition of 3β-hydroxysteroid dehydrogenase (3β-HSD). A sequential decrease in corticosteroids, androgens and estrogens were also observed. Overall, FEX had no effect on the steroidogenesis even though minor effects were observed at the highest concentrations. Real-time RT-PCR showed that PMZ resulted in significant up-regulation of 3β-HSD and 17β-HSD, whereas CET only resulted in up-regulation of 3β-HSD. This indicated that the decrease in steroids downstream from 3β-HSD following PMZ and CT exposure induced a compensatory autocrine response in 3β-HSD gene expression. The effects on the steroidogenesis were observed at concentrations 30-50 times higher than the therapeutic plasma concentrations. However, antihistamines are lipophilic and may accumulate in adrenals and gonads. Thus, disruptive effects of PMZ and CET on human steroidogenesis cannot be excluded.
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Affiliation(s)
- Cecilie Hurup Munkboel
- Toxicology Laboratory, Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2100 OE Copenhagen, Denmark
| | - Stine Bjerregaard Hasselstrøm
- Toxicology Laboratory, Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2100 OE Copenhagen, Denmark
| | - David Møbjerg Kristensen
- Danish Headache Center, Department of Neurology, Rigshospitalet, University of Copenhagen, Denmark; Inserm (Institut national de la santé et de la recherche médicale), Irset - Inserm UMR 1085, 9 Avenue du Professeur Léon Bernard, 35000 Rennes, France
| | - Bjarne Styrishave
- Toxicology Laboratory, Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2100 OE Copenhagen, Denmark.
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El-Kommos ME, El-Gizawy SM, Atia NN, Hosny NM. Determination of Some Non-sedating Antihistamines via Their Native Fluorescence and Derivation of Some Quantitative Fluorescence Intensity - Structure Relationships. J Fluoresc 2015; 25:1695-709. [DOI: 10.1007/s10895-015-1656-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 09/09/2015] [Indexed: 10/23/2022]
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El-Kommos ME, El-Gizawy SM, Atia NN, Hosny NM. Analysis for commonly prescribed non-sedating antihistamines. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.ancr.2014.11.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Bishara D, Harwood D. Safe prescribing of physical health medication in patients with dementia. Int J Geriatr Psychiatry 2014; 29:1230-41. [PMID: 25092795 DOI: 10.1002/gps.4163] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 05/09/2014] [Accepted: 05/29/2014] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The prescription of multiple medications for older people is common, despite concerns over the dangers associated with this. Older adults are particularly vulnerable to adverse effects of medication, and this is an even greater risk in patients with dementia. Many drugs used for physical health conditions can negatively affect cognition. Our aim was to identify areas of concern and which drugs to avoid in patients with dementia. DESIGN A review of the literature was carried out using Pubmed, Medline and Embase. RESULTS Many drugs used for physical health conditions may worsen the symptoms of dementia. They do this either by negating the effects of cognitive enhancers or through direct adverse effects on cognition CONCLUSIONS Where evidence exists, we provide guidance as to the safest drugs to prescribe in particular clinical situations. Anticholinergic drugs should be avoided in dementia wherever possible. Effective pain management is important in older patients, but caution should be used when selecting an opioid analgesic because of their adverse central effects. Cardiac drugs have overall negligible effects on cognition, although some have been reported to cause delirium.
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Affiliation(s)
- Delia Bishara
- Mental Health of Older Adults and Dementia Clinical Academic Group, South London and Maudsley NHS Foundation Trust, London, UK; Pharmacy Department, Maudsley Hospital, London, UK; Department of Old Age Psychiatry, Institute of Psychiatry, King's College London, London, UK; Institute of Pharmaceutical Science, King's College London, London, UK
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Drowsiness and motor responses to consecutive daily doses of promethazine and loratadine. Clin Neurophysiol 2014; 125:2390-6. [DOI: 10.1016/j.clinph.2014.03.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 03/06/2014] [Accepted: 03/28/2014] [Indexed: 01/06/2023]
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Lin Y, Wang Y, Sima LF, Wang DH, Cao XH, Chen LG, Chen B. Design, synthesis and biological activity evaluation of desloratadine analogues as H1 receptor antagonists. Bioorg Med Chem 2013; 21:4178-85. [PMID: 23719280 DOI: 10.1016/j.bmc.2013.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2013] [Revised: 04/26/2013] [Accepted: 05/06/2013] [Indexed: 12/20/2022]
Abstract
A series of N-substituted desloratadine analogues were designed and synthesized. They were tested for H1 antihistamine activity by inhibiting histamine-induced contraction of isolated ileum muscles of guinea-pigs in vitro and inhibiting histamine-induced asthmatic reaction in guinea-pigs in vivo. All the evaluated compounds exhibited significant antihistamine activity compared with desloratadine. Five active compounds induced no sedative effects on mouse and four of them exhibited lower anticholinergic side effects than desloratadine. Among these analogues, compound 10, (1S,4S)-4-chlorocyclohexyl desloratadine displayed the highest activity and best safety profile. And it was believed to be a potential candidate as the 3rd generation antihistamine.
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Affiliation(s)
- Yan Lin
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, PR China
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