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Almaghrabi M, Musa A, Aljohani AKB, Ahmed HEA, Alsulaimany M, Miski SF, Mostafa EM, Hussein S, Parambi DGT, Ghoneim MM, Elgammal WE, Halawa AH, Hammad A, El-Agrody AM. Introducing of novel class of pyrano[2,3- c]pyrazole-5-carbonitrile analogs with potent antimicrobial activity, DNA gyrase inhibition, and prominent pharmacokinetic and CNS toxicity profiles supported by molecular dynamic simulation. J Biomol Struct Dyn 2023:1-18. [PMID: 37661733 DOI: 10.1080/07391102.2023.2252088] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/20/2023] [Indexed: 09/05/2023]
Abstract
Microbiological DNA gyrase is recognized as an exceptional microbial target for the innovative development of low-resistant and more effective antimicrobial drugs. Hence, we introduced a one-pot facile synthesis of a novel pyranopyrazole scaffold bearing different functionalities; substituted aryl ring, nitrile, and hydroxyl groups. All new analogs were characterized with full spectroscopic data. The antimicrobial screening for all analogs was assessed against standard strains of Gm + ve and Gm-ve through in vitro considers. The screened compounds displayed very promising MIC/MBC values against some of the bacterial strains with broad or selective antibacterial effects. Of these, 4j biphenyl analog showed 0.5-2/2-8 µg/mL MIC/MBC for suppression and killing of Gm + ve and Gm-ve strains. Moreover, the antimicrobial screening was assessed for the most potent analogs against certain highly resistant microbial strains. Consequently, DNA gyrase supercoiling assay was done for all analogs using ciprofloxacin as reference positive control. Obviously, the results showed a different activity profile with potent analog 4j with IC50 value 6.29 µg/mL better than reference drug 10.2 µg/mL. Additionally, CNS toxicity testing was done using the HiB5 cell line for attenuation of GABA/NMDA expression to both 4j and ciprofloxacin compounds that revealed better neurotransmitter modulation by novel scaffold. Importantly, docking and dynamic simulations were performed for the most active 4j analog to investigate its interaction with DNA binding sites, which supported the in vitro observations and compound stability with binding pocket. Finally, a novel scaffold pyranopyrazole was introduced as a DNA gyrase inhibitor with prominent antibacterial efficacy and low CNS side effect toxicity better than quinolones.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohammed Almaghrabi
- Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Arafa Musa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Ahmed K B Aljohani
- Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Hany E A Ahmed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Marwa Alsulaimany
- Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Samar F Miski
- Pharmacology and Toxicology Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Ehab M Mostafa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Shaimaa Hussein
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Della Grace Thomas Parambi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Mohammed M Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah, Saudi Arabia
| | - Walid E Elgammal
- Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
| | - Ahmed H Halawa
- Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
| | - Ali Hammad
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Ahmed M El-Agrody
- Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
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Wierzbiński P, Hubska J, Henzler M, Kucharski B, Bieś R, Krzystanek M. Depressive and Other Adverse CNS Effects of Fluoroquinolones. Pharmaceuticals (Basel) 2023; 16:1105. [PMID: 37631020 PMCID: PMC10459424 DOI: 10.3390/ph16081105] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/29/2023] [Accepted: 08/02/2023] [Indexed: 08/27/2023] Open
Abstract
Fluoroquinolones (FQs) are widely used drugs around the world. This is a result of their broad spectrum of antibacterial activity, high bioavailability, and known efficacy. Since they appeared on the market, their prescribing frequency has gradually increased. In 2011, FQs became the third most prescribed class of antibiotics in the US. Widespread use of these drugs resulted in an increasing number of reported side effects. In 2016, the FDA warned about significant side effects, including mental disorders in the form of anxiety, psychotic symptoms, insomnia, and depression. Psychiatric adverse reactions to FQs occur with a frequency of 1 to 4.4% and the mechanism of their formation is not entirely clear. It is believed that the antagonistic effect of FQs on the GABA receptor or interaction with the main receptor for the glutamatergic system-NMDA-is responsible for this. The paper is a structured review of 68 selected publications and the latest summary of CNS adverse effects that occur during FQ use. Prescribers should be aware of the risk factors for FQ toxicity, including elderly patients with underlying medical conditions or receiving concomitant medication; however, these adverse events may also occur in other groups of patients.
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Affiliation(s)
| | - Joanna Hubska
- Faculty of Medicine, Medical University of Warsaw, Żwirki i Wigury 61, 02-091 Warsaw, Poland; (J.H.); (M.H.); (B.K.)
| | - Michał Henzler
- Faculty of Medicine, Medical University of Warsaw, Żwirki i Wigury 61, 02-091 Warsaw, Poland; (J.H.); (M.H.); (B.K.)
| | - Bartłomiej Kucharski
- Faculty of Medicine, Medical University of Warsaw, Żwirki i Wigury 61, 02-091 Warsaw, Poland; (J.H.); (M.H.); (B.K.)
| | - Rafał Bieś
- Medical Students’ Association, Department and Clinic of Psychiatric Rehabilitation, Faculty of Medical Sciences, Medical University of Silesia in Katowice, Ziołowa 45/47, 40-635 Katowice, Poland;
| | - Marek Krzystanek
- Department and Clinic of Psychiatric Rehabilitation, Faculty of Medical Sciences, Medical University of Silesia in Katowice, Ziołowa 45/47, 40-635 Katowice, Poland;
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Zhang F, Hu K, Huang J, Tan Z, Ruan J. Effects of two kinds of fishery drugs on the expressions of GAD and GABA-T mRNA in crucian carp (Carassius auratus gibelio). FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:1965-1973. [PMID: 32671610 PMCID: PMC7584538 DOI: 10.1007/s10695-020-00847-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 07/07/2020] [Indexed: 06/11/2023]
Abstract
The objective of this study was to investigate the effects of difloxacin (DIF) and avermectin (AVM) on glutamate decarboxylase (GAD) and GABA-transaminase (GABA-T) in different tissues of crucian carp (Carassius auratus gibelio). After the treatments of DIF and AVM, the mRNA expressions of GAD and GABA-T in different tissues were detected by quantitative real-time PCR (qPCR). The results showed that the mRNA expressions of GAD65, GAD67, and GABA-T in the telencephalon (Tel), mesencephalon (Mes), cerebella (Cer), and medulla oblongata (Med) were downregulated significantly with the safe dose (SD, 20 mg/kg) of DIF (P < 0.05 or P < 0.01). While the expressions of GAD65 and GAD67 in the kidney at 12 h had strikingly upregulated to 13.81 ± 1.06** and 150.67 ± 12.85** times. Treated with the lethal dose of 50% (LD50, 2840 mg/kg b. W.) of DIF, the mRNA expressions of GAD65, GAD67, and GABA-T in all tissues were increased significantly (P < 0.01). The results of AVM group showed that the mRNA expressions of GAD65, GAD67, and GABA-T both in the central and peripheral tissues were all remarkably downregulated at the safe concentration (SC, 0.0039 mg/L) and the lethal concentration of 50% (LC50, 0.039 mg/L), except for the mRNA inhibitions of GAD65, GAD67, and GABA-T in the muscle at 2 h which sharply downregulated to 0.20 ± 0.02ΔΔ × 10-2, 0.57 ± 0.06ΔΔ × 10-1 and 0.44 ± 0.02ΔΔ × 10-1, respectively (P < 0.01).
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Affiliation(s)
- Fan Zhang
- Department of Aquaculture, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Kun Hu
- National Center for Aquatic Pathogen Collection, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Jianzhen Huang
- Department of Aquaculture, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Zhi Tan
- Department of Aquaculture, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Jiming Ruan
- Department of Aquaculture, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, China.
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Mittal GK, Reddy VASK, Akhtar SM, Kaur H. Moxifloxacin induced encephalopathy in disseminated tuberculosis: A case report. Indian J Tuberc 2020; 67:423-425. [PMID: 32825886 DOI: 10.1016/j.ijtb.2020.05.002] [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: 04/02/2020] [Accepted: 05/02/2020] [Indexed: 06/11/2023]
Abstract
Moxifloxacin is a third-generation fluoroquinolone antibiotic with broad spectrum activity and also used as component of anti-tubercular therapy (ATT). Though frequently prescribed, moxifloxacin induced encephalopathy is uncommonly seen. Here we describe a forty four year old male, with features of disseminated tuberculosis (TB) and suspected case of multi-drug resistance (MDR), who developed acute encephalopathy. Extensive laboratory investigations, neuroimaging of brain, cerebrospinal fluid analysis was unremarkable. On stopping moxifloxacin, which was being administerd as part of ATT for MDR TB, encephalopathy resolved completely, thereby proving it to be a case of moxifloxacin induced encephalopathy. To conclude, by presenting this case, we wish to raise awareness about moxifloxacin induced encephalopathy among healthcare providers.
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Affiliation(s)
| | | | - Shamim M Akhtar
- Department of Respiratory Medicine, St Stephen's Hospital, Delhi, 110054, India
| | - Harleen Kaur
- Department of Neurology, St Stephen's Hospital, Delhi, 110054, India
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Leave the levofloxacin? A case report of levofloxacin-induced psychosis. Am J Emerg Med 2018; 36:1528.e1-1528.e2. [PMID: 29779676 DOI: 10.1016/j.ajem.2018.05.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 05/13/2018] [Indexed: 11/22/2022] Open
Abstract
Fluoroquinolones, including levofloxacin, exhibit desirable antimicrobial characteristics, including broad spectrum of activity and excellent bioavailability. This widely prescribed class of antibiotics has come under scrutiny due to a new black box warning of adverse reactions. Central nervous system effects have been sparsely described in previous literature. We present a case of levofloxacin-induced psychosis in a patient without underlying psychological history.
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Xiao C, Han Y, Liu Y, Zhang J, Hu C. Relationship Between Fluoroquinolone Structure and Neurotoxicity Revealed by Zebrafish Neurobehavior. Chem Res Toxicol 2018; 31:238-250. [PMID: 29561132 DOI: 10.1021/acs.chemrestox.7b00300] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Central nervous system side effects are one of the most frequently reported adverse reactions of fluoroquinolones (FQs). However, the mechanism is not fully understood. In this study, zebrafish ( Danio rerio) were used as a model system. We quantified neurobehavior by recording indicators with automated video-tracking and used liquid chromatography-tandem mass spectrometry to detect drug absorption in vivo. We studied embryotoxicity and effects on zebrafish locomotor activity of 17 typical FQs. In addition, we calculated the stable conformation of typical FQs in aqueous conditions. The relationships between structure, neurotoxicity, and embryotoxicity were analyzed. The results indicate: (1) The effects of FQs on zebrafish neurobehavior can be divided into four categories. Type I has no significant influence on locomotor activity. Type II suppresses locomotor activity. Type III inhibits at low concentration and stimulates at high concentration. Type IV stimulates and then suppresses (biphasic response). (2) Structural modifications of FQs can change toxicity properties in zebrafish. Cleavage of the C-7 piperazinyl structure decreases neurotoxicity but enhances embryotoxicity. The C-3 decarboxyl formation and 5-NH2 derivatives might enhance embryotoxicity and neurotoxicity. (3) There are two toxic functional groups. The piperazinyl structure at position C-7 (toxic functional group I) can cause primary reactions which may be by the inhibition of γ-aminobutyric acid receptors, and the nucleus containing a carboxyl group at position 3 (toxic functional group II) might cause a reaction secondary to the effect of toxic functional group I and reverse its effects.
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Affiliation(s)
- Chaoqiang Xiao
- Chinese Academy of Medical Sciences and Peking Union Medical College , 100730 Beijing , China.,National Institutes for Food and Drug Control , 100050 Beijing , China
| | - Ying Han
- National Institutes for Food and Drug Control , 100050 Beijing , China
| | - Ying Liu
- National Institutes for Food and Drug Control , 100050 Beijing , China
| | - Jingpu Zhang
- Chinese Academy of Medical Sciences and Peking Union Medical College , 100730 Beijing , China
| | - Changqin Hu
- Chinese Academy of Medical Sciences and Peking Union Medical College , 100730 Beijing , China.,National Institutes for Food and Drug Control , 100050 Beijing , China
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Abstract
Introduction Antimicrobial-induced cognitive side effects are often overlooked or underreported. Literature often reports symptoms of antimicrobial-induced cognitive impairment under more general blanket terms, such as neuropsychiatric side effects, neurotoxicity, or drug-induced delirium or encephalopathy. Methods A PubMed search using terms including antibiotics, antifungals, antivirals, antimalarials, side effects, cognitive, neurotoxicity, encephalopathy, and delirium was conducted. Respectively, symptoms of cognitive impairment were teased out of the multiple neurologic complications presented for each case and reported based on antimicrobial class. Articles were excluded if they focused solely on neuropsychiatric side effects such as seizures, psychosis, hallucinations, or mood disturbances, were conducted in animals, or involved antiretroviral medication therapies. Results Of over 50 case reviews, case reports, retrospective chart reviews, and prospective cohort studies analyzed, 25 were deemed appropriate for purposes of this review. Common antimicrobial-induced cognitive side effects for all antimicrobial classes included confusion, delirium, encephalopathy, and impaired concentration or attention. Recurring risk factors included, but were not limited to, older age and renal impairment. Mechanisms of cognitive impairment were relatively specific to each antimicrobial class. Discussion Awareness of the potential for antimicrobial-induced cognitive side effects, including the general time frame of symptom onset and symptom presentation, is critical in challenging patient cases. This review article aims to summarize the risk factors, clinical symptoms, mechanisms, and management of antimicrobial-induced cognitive side effects. Pharmacists can play a key role in prevention through adjustment of medications for renal or hepatic dysfunction, avoidance of polypharmacy, and knowledge of critical drug interactions that may precipitate cognitive decline.
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Affiliation(s)
- Amanda Warstler
- PGY2 Psychiatric Pharmacy Resident, Department of Veterans Affairs, Tennessee Valley Healthcare System, Murfreesboro, Tennessee,
| | - Jennifer Bean
- Clinical Psychiatric Pharmacist, Department of Veterans Affairs, Tennessee Valley Healthcare System, Murfreesboro, Tennessee
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Golomb BA, Koslik HJ, Redd AJ. Fluoroquinolone-induced serious, persistent, multisymptom adverse effects. BMJ Case Rep 2015; 2015:bcr-2015-209821. [PMID: 26438672 DOI: 10.1136/bcr-2015-209821] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
We present a case series of four previously healthy, employed adults without significant prior medical history in each of whom symptoms developed while on fluoroquinolones (FQs), with progression that continued following discontinuation evolving to a severe, disabling multisymptom profile variably involving tendinopathy, muscle weakness, peripheral neuropathy, autonomic dysfunction, sleep disorder, cognitive dysfunction and psychiatric disturbance. Physicians and patients should be alert to the potential for FQ-induced severe disabling multisymptom pathology that may persist and progress following FQ use. Known induction by FQs of delayed mitochondrial toxicity provides a compatible mechanism, with symptom profiles (and documented mechanisms of FQ toxicity) compatible with the hypothesis of an exposure-induced mitochondrial neurogastrointestinal encephalomyopathy.
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Affiliation(s)
| | - Hayley Jean Koslik
- Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Alan J Redd
- Department of Anthropology, University of Kansas, Lawrence, Kansas, USA
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Abstract
Quinolones are a class of antibacterial agents for the treatment of several infectious diseases (e.g. urinary and respiratory tract infections). They are used worldwide due to their broad spectrum of activity, high bioavailability and good safety profile. The safety profile varies from quinolone to quinolone. The aim of this article was to review the neurological and psychiatric adverse drug reaction (ADR) profile of quinolones, using a literature search strategy designed to identify case reports and case series. A literature search using PubMed/MEDLINE (from inception to 31 October 2010) was performed to identify case reports and case series related to quinolone-associated neurological and psychiatric ADRs. The search was conducted in two phases: the first phase was the literature search and in the second phase relevant articles were identified through review of the references of the selected articles. Relevant articles were defined as articles referring to adverse events/reactions associated with the use of any quinolone. Abstracts referring to animal studies, clinical trials and observational studies were excluded. Identified case reports were analysed by age group, sex, active substances, dosage, concomitant medication, ambulatory or hospital-based event and seriousness, after Medical Dictionary for Regulatory Activities (MedDRA®) coding. From a total of 828 articles, 83 were identified as referring to nervous system and/or psychiatric disorders induced by quinolones. 145 individual case reports were extracted from the 83 articles. 40.7% of the individual case reports belonged to psychiatric disorders only, whereas 46.9% related to neurological disorders only. Eight (5.5%) individual case reports presented both neurological and psychiatric ADRs. Ciprofloxacin, ofloxacin and pefloxacin were the quinolones with more neurological and psychiatric ADRs reported in the literature. Ciprofloxacin has been extensively used worldwide, which may explain the higher number of reports, while for ofloxacin and pefloxacin, the number of reports may be over-representative. A total of 232 ADRs were identified from the selected articles, with 206 of these related to psychiatric and/or neurological ADRs. The other 26 were related to other body systems but were reported together with the reactions of interest. Mania, insomnia, acute psychosis and delirium were the most frequently reported psychiatric adverse events; grand mal convulsion, confusional state, convulsions and myoclonus were the most frequently reported neurological adverse events. Several aspects should be taken into account in the development of CNS adverse effects, such as the pharmacokinetics of quinolones, chemical structure and quinolone uptake in the brain. These events may affect not only susceptible patients but also 'healthy' patients.
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Affiliation(s)
- Ana M Tomé
- Medical Department, Grupo Tecnimede, Sintra, Portugal.
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Current awareness: Pharmacoepidemiology and drug safety. Pharmacoepidemiol Drug Saf 2009. [DOI: 10.1002/pds.1654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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