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Wen X, Wu X, Jin R, Lu X. Privileged heterocycles for DNA-encoded library design and hit-to-lead optimization. Eur J Med Chem 2023; 248:115079. [PMID: 36669370 DOI: 10.1016/j.ejmech.2022.115079] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 12/22/2022] [Accepted: 12/29/2022] [Indexed: 01/15/2023]
Abstract
It is well known that heterocyclic compounds play a key role in improving drug activity, target selectivity, physicochemical properties as well as reducing toxicity. In this review, we summarized the representative heterocyclic structures involved in hit compounds which were obtained from DNA-encoded library from 2013 to 2021. In some examples, the state of the art in heterocycle-based DEL synthesis and hit-to-lead optimization are highlighted. We hope that more and more novel heterocycle-based DEL toolboxes and in-depth pharmaceutical research on these lead compounds can be developed to accelerate the discovery of new drugs.
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Affiliation(s)
- Xin Wen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai, 201203, China.
| | - Xinyuan Wu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai, 201203, China; University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China.
| | - Rui Jin
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai, 201203, China.
| | - Xiaojie Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai, 201203, China; University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing, 100049, China.
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Pavone F, Battaglia M, Sansone M. Nifedipine-morphine interaction: a further investigation on nociception and locomotor activity in mice. J Pharm Pharmacol 2011; 44:773-6. [PMID: 1360534 DOI: 10.1111/j.2042-7158.1992.tb05519.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Abstract
Nociception and locomotor activity were tested in mice (C57BL/6 and DBA/2 strains), receiving the dihydropyridine calcium-channel blocker nifedipine, alone or combined with morphine. The calcium antagonist did not change the reaction time to thermal stimulation (tail-flick test), when administered alone, but combinations of nifedipine and morphine prolonged tail-flick latencies less than did the opiate alone. Nifedipine decreased locomotion in both strains, reduced the hypermotility induced by morphine in C57 mice, and enhanced the locomotor depression induced by the opiate in DBA mice. A comparison of the effects of nifedipine with those of the non-calcium antagonist vasodilator, hydralazine, suggests that the interactions with morphine were not exclusively related to neuronal changes produced by calcium channel blockade, but also to haemodynamic factors. In fact, except for the lack of interference with morphine-induced hypermotility in C57 mice, hydralazine, given alone or in combination with morphine, produced effects similar to those of nifedipine.
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Affiliation(s)
- F Pavone
- Istituto di Psicobiologia e Psicofarmacologia, CNR, Roma, Italy
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3
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Saad SF, Khayyal MT, Attia AS, Saad ES. Influence of certain calcium-channel blockers on some aspects of lorazepam-dependence in mice. J Pharm Pharmacol 1997; 49:322-8. [PMID: 9231355 DOI: 10.1111/j.2042-7158.1997.tb06805.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The effect of acute and chronic treatments of the calcium-channel blockers, isradipine, diltiazem and flunarizine in protecting against lorazepam dependence has been demonstrated in mice. Dependence was induced by twice-daily administration of lorazepam (1 mg kg-1) for 10 days, doubling the dose during the next 10 days. Withdrawal symptoms and changes in the noradrenaline, dopamine and 5-hydroxytryptamine content of different regions of the brain were observed after either 24-h withdrawal or flumazenil administration. Isradipine inhibited lorazepam withdrawal symptoms, the effect being accompanied in the 24-h withdrawal group by significant decreases in the noradrenaline and dopamine content of the thalamus and hypothalamus and in the noradrenaline content of the mid-brain. In the flumazenil-treated group isradipine produced significant decreases in mid-brain noradrenaline and dopamine levels and in the dopamine content of the thalamus and hypothalamus. Diltiazem did not, on the other hand, afford significant protection against lorazepam withdrawal symptoms and did not induce any significant change in the neurotransmitters studied. Flunarizine significantly inhibited lorazepam withdrawal symptoms, an effect accompanied by significant reduction in noradrenaline and dopamine levels in the thalamus and hypothalamus. Dopamine was also significantly reduced in the cerebral cortex. Similar effects were produced in the flumazenil-treated group, and the noradrenaline content was reduced in the medulla, pons and cerebellum. It was concluded that isradipine and flunarizine might be of value in ameliorating lorazepam withdrawal symptoms.
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Affiliation(s)
- S F Saad
- Pharmacology Department, Faculty of Pharmacy, Cairo University, Egypt
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Viveros MP, Martín S, Ormazabal MJ, Alfaro MJ, Martín MI. Effects of nimodipine and nifedipine upon behavior and regional brain monoamines in the rat. Psychopharmacology (Berl) 1996; 127:123-32. [PMID: 8888378 DOI: 10.1007/bf02805985] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The effects of single and repeated (9 times) administration of two dihydropyridines (DHPs), nimodipine (NIM) and nifedipine (NIF) (5 mg/kg per 12 h and 2.5 mg/kg per 12 h, IP), on the behavior of male adult rats in the holeboard and in the plus-maze, were investigated. Besides, the effects of repeated administration of the drugs on the levels of dopamine (DA), serotonin (5-HT), and their respective major metabolites in several regions of the central nervous system (CNS) were also assessed. The effects of single and repeated administration of the drugs were similar. Both DHPs caused a significant decrease in general motor activity which was evident in both tests and more marked, with the higher doses. The two exploratory parameters measured in the holeboard, i.e. head-dipping frequency and duration, were dissociated under pharmacological treatment. The drug-treated animals did not show an increased emotionality in the holeboard. However, in the plus-maze, NIF (5 mg/kg) and to a lesser extent NIM, appeared to induce some anxiety-related responses which may be secondary, at least in part, to the depressing effect on activity and exploration. Repeated administration of NIM and NIF caused an increase in striatal DA and DOPAC levels, whilst no effects were found on serotonergic system in any of the regions of the CNS analyzed.
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Affiliation(s)
- M P Viveros
- Departmento de Biologia Animal II Facultad de Biologia, Universidad Complutense, Madrid, Spain
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Fundaro A. Chronic nimodipine and yawning behavior in grouped or individually housed rats. Prog Neuropsychopharmacol Biol Psychiatry 1996; 20:121-7. [PMID: 8861182 DOI: 10.1016/0278-5846(95)00297-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
1. The effects of a chronic administration (around 30 mg/ kg/day) of the dihydropyridine calcium antagonist nimodipine, on apomorphine induced yawning behaviour of grouped or individual housed rats, were studied. 2. Nimodipine treatment had no effect in grouped rats. 3. Individually housed animals gave a significant lower number of yawns in respect to grouped controls: this difference disappeared in isolated, nimodipine treated, group. 4. The results show the ability of nimodipine to restore a depressed behavioural performance.
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Affiliation(s)
- A Fundaro
- Institute of Pharmacology and Pharmacognosy, School of Pharmacy, University of Turin, Italy
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Kabuto H, Yokoi I, Mori A, Murakami M, Sawada S. Neurochemical changes related to ageing in the senescence-accelerated mouse brain and the effect of chronic administration of nimodipine. Mech Ageing Dev 1995; 80:1-9. [PMID: 7564556 DOI: 10.1016/0047-6374(94)01542-t] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The levels of neurotransmitters and related metabolic enzyme activities in the brain of young-adult (3 months old), aged (11 months old) and nimodipine-administered (11 months old) senescence-accelerated mouse (SAM) were compared. Nimodipine, a calcium antagonist, was administered orally for 5 months. Acetylcholine (ACh), serotonin (5-HT) and dopamine (DA) levels all decreased with age but this decrease was attenuated by nimodipine. Choline acetyltransferase and choline esterase activities increased with age, and nimodipine enhanced their activities. Tryptophan hydroxylase activity was not affected by age or nimodipine administration. Monoamine oxidase-A activity increased with age, and was decreased by nimodipine administration. These results suggest that SAM rapidly undergoes neurochemical changes which are considered to be part of the normal aging process, and these changes were attenuated by chronic administration of nimodipine.
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Affiliation(s)
- H Kabuto
- Department of Neuroscience, Okayama University Medical School, Japan
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San-Martín-Clark O, Cuéllar B, De Alba J, Leza JC, Lorenzo P. Changes induced by sodium cromoglycate in brain catecholamine turnover in morphine dependent and abstinent mice. Psychopharmacology (Berl) 1995; 118:347-53. [PMID: 7617828 DOI: 10.1007/bf02245965] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The effects of sodium cromoglycate (CRO) were studied in relation to the metabolism of brain catecholamines: dopamine (DA) and noradrenaline (NA), and their metabolites 3,4-dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA) and 4-hydroxy-3-methoxyphenylethyleneglycol (MHPG). CRO was injected SC in control mice, morphine-tolerant mice (tolerance was induced by SC implantation of a 75 mg morphine pellet; CRO was administered on day 4 of addiction) and 30 min before abstinence (withdrawal was induced by SC injection of naloxone (1 mg/kg) on day 4 of addiction). Brain catecholamines and their metabolites were measured using high performance liquid chromatography coupled with electrochemical detection (HPLC-ECD), for DA, NA, DOPAC and HVA, and coupled with fluorescence detection for MHPG. The ratios of DOPAC + HVA/DA and MHPG/NA were kept as an index of DA and NA turnovers, respectively. CRO administered 30 min before naloxone-precipitated withdrawal diminished significantly NA levels in frontal cortex. CRO increased DA turnover in striatum and frontal cortex in naive animals and significantly diminished DA levels in frontal cortex and DOPAC levels in frontal cortex and midbrain in morphine-dependent mice. These findings are discussed in relation to the protective effects of CRO on opiate withdrawal and the effects of CRO on locomotor activity.
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Affiliation(s)
- O San-Martín-Clark
- Departamento de Farmacologia, Facultad de Medicina, Universidad Complutense, Madrid, Spain
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Green K, Cheeks L, Hull DS. Effects of calcium channel blockers on rabbit corneal endothelial function. Curr Eye Res 1994; 13:401-8. [PMID: 7523027 DOI: 10.3109/02713689408999867] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The effects of calcium channel antagonists and agents that alter intracellular Ca2+ mobilization on corneal endothelial function have been examined. All experiments, except where specifically designated, were performed in the continuous presence of extracellular Ca2+. Verapamil (at 50 microM) increased the swelling rate of corneas bathed in normal Ringer solution whereas nifedipine and diltiazem (both up to 100 microM) were without effect. The nifedipine analog nisoldipine caused corneal swelling at 10 microM and 50 microM but nimodipine was without effect. When briefly exposed to a Ca(2+)-free solution corneal swelling was enhanced after subsequent exposure to 50 microM verapamil in normal Ringer but not after 50 microM diltiazem in normal Ringer, indicating that Ca2+ entry from the bathing solution into the cell was important and was apparently impeded by verapamil. Cadmium (0.6 and 1 mM) but not nickel (up to 250 microM) caused swelling of corneas bathed in normal Ringer. A Ca2+ channel agonist, BAY-K-8644, alone did not influence corneal thickness but when presented to the endothelium with 50 microM verapamil the swelling rate was much reduced compared to verapamil alone. The agonist, therefore, presumably maintained some Ca2+ channels open in face of the Ca2+ channel blocker. An agent that inhibited the release of intracellular Ca2+ stores (TMB-8) caused an initial corneal swelling over the first 1.5 hr of perfusion but thereafter had no effect on corneal thickness. In the presence of continued extracellular Ca2+ one explanation for the results is that modulation of intracellular Ca2+ by agents that alter plasma membrane transfer of Ca2+ influences apical junction permeability.(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- K Green
- Department of Ophthalmology, Medical College of Georgia, Augusta 30912-3400
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Colado MI, Ormazabal MJ, Alfaro MJ, Martin MI. Effect of Bay K 8644 on the synthesis and metabolism of dopamine and 5-hydroxytryptamine in various brain areas of the rat. J Pharm Pharmacol 1993; 45:220-2. [PMID: 7683338 DOI: 10.1111/j.2042-7158.1993.tb05537.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The effects of Bay K 8644 (1, 2 and 4 mg kg-1, i.p.) on the synthesis and metabolism of dopamine and 5-hydroxytryptamine (5-HT) in rat brain after m-hydroxybenzylhydrazine administration were studied. Bay K 8644 (2 and 4 mg kg-1, i.p.) caused an increase in the synthesis of both dopamine in the striatum and 5-HT in the midbrain and striatum, measured as the accumulation of 3,4-dihydroxyphenylalanine (dopa) and 5-hydroxytryptophan, respectively. Moreover, Bay K 8644 at the dose of 4 mg kg-1 increased the turnover of dopamine in the striatum and of 5-HT in midbrain and striatum. These neurochemical changes were antagonized by the calcium channel antagonist nimodipine (10 mg kg-1, i.p.). It is concluded that dihydropyridine receptors may mediate the brain region-specific changes in the dopaminergic and 5-HT-ergic neurotransmission which occur following activation of neuronal calcium channels.
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Affiliation(s)
- M I Colado
- Departamento de Farmacologia, Facultad de Medicina, Universidad Complutense, Madrid, Spain
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San-Martin-Clark O, Leza JC, Lizasoain I, Lorenzo P. Changes induced by sodium cromoglycate on brain serotonin turnover in morphine dependent and abstinent mice. Psychopharmacology (Berl) 1993; 111:233-8. [PMID: 7532863 DOI: 10.1007/bf02245529] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
This study was designed to explain the action of sodium cromoglycate (CRO) on the brain serotonergic system in control, morphine tolerant (by SC implantation of a 75 mg morphine pellet), and also in morphine dependent mice just before naloxone-precipitated withdrawal. After SC injections of CRO in control mice, morphine tolerant mice (day 4 of addiction), and 1 h before abstinence (withdrawal was induced by SC injection of 1 mg/kg naloxone on day 4 of addiction), animals were decapitated and various brain areas were rapidly removed. 5HT (Serotonin) and 5HIAA (5-hydroxyindole-3-acetic acid) were measured by high performance liquid chromatography coupled with electrochemical detection (HPLC-ECD). The ratio 5HIAA/5HT provided one index by which the turnover of the indoleamine was measured. CRO increased the turnover of 5HT in most of the brain areas studied in both control and morphine dependent mice. Furthermore, previous administration of CRO prior to naloxone challenge induced a significant increase in the 5HIAA/5HT ratio in the hypothalamus and striatum. These results are discussed as the reason for the preventive effect of CRO on jumping behaviour in morphine abstinent mice.
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Affiliation(s)
- O San-Martin-Clark
- Departamento de Farmacologia, Facultad de Medicina, Universidad Complutense, Madrid, Spain
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