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Discovery of Novel Isonipecotic Acid-Based Heteroaryl Amino Acid Derivatives as Potential Anticonvulsant Agents: Design, Synthesis, In-Silico ADME Study, and Molecular Docking Studies.

ABSTRACT:

Background

Epilepsy is a neurological disorder characterized by anomalous brain activity, convulsions, and odd behavior. Several substituted-(naphthalen-2-yl)-3-(1H-indol-3-yl) allyl)-1,4-dihydropyridine-4-carboxylic acid derivatives (5a-j) were intended to be produced in the current research effort to reduce convulsions and seizures.

Materials and methods

The newly developed compounds were produced by the prescribed process. Numerous methods (infrared spectroscopy (IR), nuclear magnetic resonance (NMR), mass, elemental analysis, etc.) were used to characterize these substances. Several models were used to test each of these molecules for anticonvulsant activity. By using the rotarod and ethanol potentiation techniques, neurotoxicity was also evaluated. The study meticulously examined each parameter and showed absorption, distribution, metabolism, and excretion (ADME) predictions for each of the 10 congeners that were produced. In addition, studies on molecular docking employed the gamma amino butyric acid (GABA)-A target protein.

Results

Anticonvulsant screening results identified compounds 5f, 5h, 5d, and 5b as the most efficacious of the series. All synthesized equivalents largely passed the neurotoxicity test. The results of molecular docking revealed significant interactions at the active site of GABA-A with LEU B: 99, TYR A: 62, Ala A: 174, and THR B: 202, and the outcomes were good and in agreement with in vivo findings.

Conclusions

The study's findings showed that some substances had promising anticonvulsant properties that were comparable to those of the standard drug. The highly active novel anticonvulsant analogs may therefore represent a possible lead, and additional studies may result in a potential new drug candidate.

SUBMITTER: Ahmad MM

PROVIDER: S-EPMC10790741 | biostudies-literature | 2023 Oct-Dec

REPOSITORIES: biostudies-literature

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Publications

Discovery of Novel Isonipecotic Acid-Based Heteroaryl Amino Acid Derivatives as Potential Anticonvulsant Agents: Design, Synthesis, In-Silico ADME Study, and Molecular Docking Studies.

Ahmad Mohammad M MM Akhtar Naseem N Khan Shamshir S Rashid Mohd M Athar Md Tanwir MT Ullah Zabih Z Taleuzzaman Mohamad M

Journal of pharmacy & bioallied sciences 20231001 4

<h4>Background</h4>Epilepsy is a neurological disorder characterized by anomalous brain activity, convulsions, and odd behavior. Several substituted-(naphthalen-2-yl)-3-(1H-indol-3-yl) allyl)-1,4-dihydropyridine-4-carboxylic acid derivatives (5a-j) were intended to be produced in the current research effort to reduce convulsions and seizures.<h4>Materials and methods</h4>The newly developed compounds were produced by the prescribed process. Numerous methods (infrared spectroscopy (IR), nuclear m ...[more]

PMID: 38235051

Similar Datasets

Project description:In our continuous effort to develop novel antiepileptic drug, a new series of nipecotic acid derivatives having1,3,4-thiadiazole nucleus were designed and synthesized. This study aims to improve the lipophilicity of nipecotic acid by attaching some lipophilic anchors like thiadiazole and substituted aryl acid derivatives. In our previous study, we noticed that the N-substituted oxadiazole derivative of nipecotic acid exhibited significant antiepileptic activity in the rodent model. The synthesized compounds were characterized by FT-IR, 1H-NMR, 13C-NMR, Mass, and elemental analysis. The anticonvulsant activity was evaluated by using the maximal electroshock-induced seizure model in rats (MES) and the subcutaneous pentylenetetrazol (scPTZ) test in mice. None of the compounds were found to be active in the MES model whereas compounds (TN2, TN9, TN12, TN13, and TN15) produced significant protection against the scPTZ-induced seizures model. The compounds showing antiepileptic activity were additionally evaluated for antidepressant activity by using the forced swim test, 5-hydroxytryptophan (5-HTP)-induced head twitch test, and learned helplessness test. All the molecules that showed anticonvulsant activity (TN2, TN9, TN12, TN13, and TN15), also exerted significant antidepressant effects in the animal models. The selected compounds were subjected to different toxicity studies. Compounds were found to have no neurotoxicity in the rota-rod test and devoid of hepatic and renal toxicity in 30 days repeated oral toxicity test. Further, a homology model was developed to perform the in-silico molecular docking and dynamics studies which revealed the similar binding of compound TN9 within the active binding pocket and were found to be the most potent anti-epileptic agent. The market expectation for newly developed antiepileptic thiadiazole-based nipecotic acid derivatives is significant, driven by their potential to offer improved therapeutic outcomes and reduced side effects, addressing a critical need in epilepsy treatment. These innovative compounds hold promise for meeting the demand for more effective and safer antiepileptic medications.Supplementary informationThe online version contains supplementary material available at 10.1007/s13205-023-03897-1.

Dataset Information

Discovery of Novel Isonipecotic Acid-Based Heteroaryl Amino Acid Derivatives as Potential Anticonvulsant Agents: Design, Synthesis, In-Silico ADME Study, and Molecular Docking Studies.

Background

Materials and methods

Results

Conclusions

Publications

Discovery of Novel Isonipecotic Acid-Based Heteroaryl Amino Acid Derivatives as Potential Anticonvulsant Agents: Design, Synthesis, In-Silico ADME Study, and Molecular Docking Studies.

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