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1.
Eur J Med Chem ; 275: 116623, 2024 Sep 05.
Article in English | MEDLINE | ID: mdl-38943875

ABSTRACT

A new series of thiazolidine-2,4-dione tethered 1,2,3-triazole derivatives were designed, synthesized and screened for their α-amylase inhibitory potential employing in vitro and in silico approaches. The target compounds were synthesized with the help of Cu (I) catalyzed [3 + 2] cycloaddition of terminal alkyne with numerous azides, followed by unambiguously characterizing the structure by employing various spectroscopic approaches. The synthesized derivatives were assessed for their in vitro α-amylase inhibition and it was found that thiazolidine-2,4-dione derivatives 6e, 6j, 6o, 6u and 6x exhibited comparable inhibition with the standard drug acarbose. The compound 6e with a 7-chloroquinolinyl substituent on the triazole ring exhibited significant inhibition potential with IC50 value of 0.040 µmol mL-1 whereas compound 6c (IC50 = 0.099 µmol mL-1) and 6h (IC50 = 0.098 µmol mL-1) were poor inhibitors. QSAR studies revealed the positively correlating descriptors that aid in the design of novel compounds. Molecular docking was performed to investigate the binding interactions with the active site of the biological receptor and the stability of the complex over a period of 100 ns was examined using molecular dynamics studies. The physiochemical properties and drug-likeliness behavior of the potent derivatives were investigated by carrying out the ADMET studies.


Subject(s)
Molecular Docking Simulation , Molecular Dynamics Simulation , Quantitative Structure-Activity Relationship , Thiazolidinediones , Triazoles , alpha-Amylases , Triazoles/chemistry , Triazoles/pharmacology , Triazoles/chemical synthesis , alpha-Amylases/antagonists & inhibitors , alpha-Amylases/metabolism , Thiazolidinediones/chemistry , Thiazolidinediones/chemical synthesis , Thiazolidinediones/pharmacology , Molecular Structure , Dose-Response Relationship, Drug , Humans
2.
Bioorg Med Chem Lett ; 109: 129853, 2024 Sep 01.
Article in English | MEDLINE | ID: mdl-38909705

ABSTRACT

Overexpression of Bcl-2 protein is a predominant hallmark of disturbed apoptotic pathway in most of the cancers. Herein, chromone-linked thiazolidinediones were designed and synthesized to target Bcl-2 for regulating anti-apoptotic proteins. The study on in vitro cancer cell lines revealed the presence of compounds 8a, 8k, 8l, and 8n, which were found to have good to moderate anti-proliferative activity (with an IC50 concentration less than 10 µM). Among them, 8l depicted the highest cytotoxicity on the A549 cell line with an IC50 of 6.1 ± 0.02 µM. Aberrantly, the compounds displayed less toxicity towards human embryonic kidney HEK cells underlining its selectivity. The DCFDA study revealed a gradual increase in the ROS generation of 8l, followed by its quantification by flow analysis. Similarly, the studies including DAPI, AO/EtBr and Annexin-V binding clearly elucidated the DNA damage, membrane integrity prospects, and insights for early and late apoptotic phases. Markedly, the Bcl-2-FITC anti-body study revealed that compound 8l reduced the expression of anti-apoptotic proteins by 79.1 % compared to the control at 9 µM concentration. In addition, the molecular docking study provided the impending scope of these hybrids, showing promising interaction with the Mcl-1 target (member of the Bcl-2 family) with comparable binding affinities.


Subject(s)
Antineoplastic Agents , Apoptosis , Cell Proliferation , Chromones , Drug Screening Assays, Antitumor , Thiazolidinediones , Humans , Apoptosis/drug effects , Chromones/pharmacology , Chromones/chemistry , Chromones/chemical synthesis , Antineoplastic Agents/pharmacology , Antineoplastic Agents/chemistry , Antineoplastic Agents/chemical synthesis , Thiazolidinediones/pharmacology , Thiazolidinediones/chemistry , Thiazolidinediones/chemical synthesis , Structure-Activity Relationship , Cell Proliferation/drug effects , Molecular Structure , Dose-Response Relationship, Drug , Molecular Docking Simulation , HEK293 Cells , Proto-Oncogene Proteins c-bcl-2/metabolism , Cell Line, Tumor
3.
J Med Chem ; 67(10): 8406-8419, 2024 May 23.
Article in English | MEDLINE | ID: mdl-38723203

ABSTRACT

Forty-one 1,3,4-thiadiazolyl-containing thiazolidine-2,4-dione derivatives (MY1-41) were designed and synthesized as protein tyrosine phosphatase 1B (PTP1B) inhibitors with activity against diabetes mellitus (DM). All synthesized compounds (MY1-41) presented potential PTP1B inhibitory activities, with half-maximal inhibitory concentration (IC50) values ranging from 0.41 ± 0.05 to 4.68 ± 0.61 µM, compared with that of the positive control lithocholic acid (IC50 = 9.62 ± 0.14 µM). The most potent compound, MY17 (IC50 = 0.41 ± 0.05 µM), was a reversible, noncompetitive inhibitor of PTP1B. Circular dichroism spectroscopy and molecular docking were employed to analyze the binding interaction between MY17 and PTP1B. In HepG2 cells, MY17 treatment could alleviate palmitic acid (PA)-induced insulin resistance by upregulating the expression of phosphorylated insulin receptor substrate and protein kinase B. In vivo, oral administration of MY17 could reduce the fasting blood glucose level and improve glucose tolerance and dyslipidemia in mice suffering from DM.


Subject(s)
Diabetes Mellitus, Experimental , Hypoglycemic Agents , Molecular Docking Simulation , Protein Tyrosine Phosphatase, Non-Receptor Type 1 , Thiazolidinediones , Protein Tyrosine Phosphatase, Non-Receptor Type 1/antagonists & inhibitors , Protein Tyrosine Phosphatase, Non-Receptor Type 1/metabolism , Animals , Humans , Hypoglycemic Agents/pharmacology , Hypoglycemic Agents/chemistry , Hypoglycemic Agents/chemical synthesis , Hypoglycemic Agents/therapeutic use , Hep G2 Cells , Mice , Thiazolidinediones/pharmacology , Thiazolidinediones/chemistry , Thiazolidinediones/chemical synthesis , Diabetes Mellitus, Experimental/drug therapy , Structure-Activity Relationship , Male , Thiadiazoles/pharmacology , Thiadiazoles/chemistry , Thiadiazoles/chemical synthesis , Enzyme Inhibitors/pharmacology , Enzyme Inhibitors/chemistry , Enzyme Inhibitors/chemical synthesis , Insulin Resistance , Blood Glucose/drug effects , Blood Glucose/analysis , Blood Glucose/metabolism
4.
Biochim Biophys Acta Gen Subj ; 1868(6): 130599, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38521471

ABSTRACT

BACKGROUND: VEGFR-2 has emerged as a prominent positive regulator of cancer progression. AIM: Discovery of new anticancer agents and apoptotic inducers targeting VEGFR-2. METHODS: Design and synthesis of new thiazolidine-2,4-diones followed by extensive in vitro studies, including VEGFR-2 inhibition assay, MTT assay, apoptosis analysis, and cell migration assay. In silico investigations including docking, MD simulations, ADMET, toxicity, and DFT studies were performed. RESULTS: Compound 15 showed the strongest VEGFR-2 inhibitory activity with an IC50 value of 0.066 µM. Additionally, most of the synthesized compounds showed anti-proliferative activity against HepG2 and MCF-7 cancer cell lines at the micromolar range with IC50 values ranging from 0.04 to 4.71 µM, relative to sorafenib (IC50 = 2.24 ± 0.06 and 3.17 ± 0.01 µM against HepG2 and MCF-7, respectively). Also, compound 15 showed selectivity indices of 1.36 and 2.08 against HepG2 and MCF-7, respectively. Furthermore, compound 15 showed a significant apoptotic effect and arrested the cell cycle of MCF-7 cells at the S phase. Moreover, compound 15 had a significant inhibitory effect on the ability of MCF-7 cells to heal from. Docking studies revealed that the synthesized thiazolidine-2,4-diones have a binding pattern approaching sorafenib. MD simulations indicated the stability of compound 15 in the active pocket of VEGFR-2 for 200 ns. ADMET and toxicity studies indicated an acceptable pharmacokinetic profile. DFT studies confirmed the ability of compound 15 to interact with VEGFR-2. CONCLUSION: Compound 15 has promising anticancer activity targeting VEGFR-2 with significant activity as an apoptosis inducer.


Subject(s)
Antineoplastic Agents , Apoptosis , Cell Proliferation , Drug Design , Molecular Docking Simulation , Thiazolidinediones , Vascular Endothelial Growth Factor Receptor-2 , Humans , Vascular Endothelial Growth Factor Receptor-2/antagonists & inhibitors , Vascular Endothelial Growth Factor Receptor-2/metabolism , Antineoplastic Agents/pharmacology , Antineoplastic Agents/chemical synthesis , Antineoplastic Agents/chemistry , Apoptosis/drug effects , Thiazolidinediones/pharmacology , Thiazolidinediones/chemistry , Thiazolidinediones/chemical synthesis , MCF-7 Cells , Hep G2 Cells , Cell Proliferation/drug effects , Protein Kinase Inhibitors/pharmacology , Protein Kinase Inhibitors/chemical synthesis , Protein Kinase Inhibitors/chemistry , Drug Screening Assays, Antitumor , Sorafenib/pharmacology , Sorafenib/chemistry , Molecular Dynamics Simulation , Cell Movement/drug effects
5.
Curr Top Med Chem ; 24(10): 885-928, 2024.
Article in English | MEDLINE | ID: mdl-38500288

ABSTRACT

BACKGROUND: Thiazolidine-2,4-dione (2,4-TZD) is a flexible pharmacophore and a privileged platform and contains a five-membered ring with a 2-oxygen atom with double bond 2,4- position and one nitrogen atom as well as sulphur containing in the heterocyclic compound. A famous electron-rich nitrogen transporter combines invigorating electronic properties with the prospective for elemental applications. Thiazolidine-2,4-dione analogues have been synthesized using a variety of methods, all of which have shown to have a strong biological effect. OBJECTIVES: The study of the biological activity of Thiazolidine-2,4-dione derivatives has been a fascinating field of pharmaceutical chemistry and has many purposes. This derivative described in the literature between 1995 to 2023 was the focus of this study. Thiazolidine-2,4-diones have been discussed in terms of their introduction, general method, synthetic scheme and antidiabetic significance in the current review. CONCLUSION: Thiazolidine-2,4-diones are well-known heterocyclic compounds. The synthesis of Thiazolidine-2,4-diones has been described using a variety of methods. Antidiabetic activity has been discovered in several Thiazolidine-2,4-dione derivatives, which enhance further research. The use of Thiazolidine-2,4-diones to treat antidiabetics has piqued researchers' interest in learning more about thiazolidine-2,4-diones.


Subject(s)
Hypoglycemic Agents , Thiazolidinediones , Thiazolidinediones/chemistry , Thiazolidinediones/chemical synthesis , Thiazolidinediones/pharmacology , Hypoglycemic Agents/chemistry , Hypoglycemic Agents/chemical synthesis , Hypoglycemic Agents/pharmacology , Humans , Molecular Structure , Structure-Activity Relationship , Animals
6.
Molecules ; 27(3)2022 Jan 27.
Article in English | MEDLINE | ID: mdl-35164095

ABSTRACT

This work aimed to synthesize a new antihyperglycemic thiazolidinedione based on the spectral data. The DFT\B3LYP\6-311G** level of theory was used to investigate the frontier molecular orbitals (FMOs), chemical reactivity and map the molecular electrostatic potentials (MEPs) to explain how the synthesized compounds interacted with the receptor. The molecular docking simulations into the active sites of PPAR-γ and α-amylase were performed. The in vitro potency of these compounds via α-amylase and radical scavenging were evaluated. The data revealed that compounds (4-6) have higher potency than the reference drugs. The anti-diabetic and anti-hyperlipidemic activities for thiazolidine-2,4-dione have been investigated in vivo using the alloxan-induced diabetic rat model along with the 30 days of treatment protocol. The investigated compounds didn't show obvious reduction of blood glucose during pre-treatments compared to diabetic control, while after 30 days of treatments, the blood glucose level was lower than that of the diabetic control. Compounds (4-7) were able to regulate hyperlipidemia levels (cholesterol, triglyceride, high-density lipoproteins and low- and very-low-density lipoproteins) to nearly normal value at the 30th day.


Subject(s)
Diabetes Mellitus, Experimental/drug therapy , Free Radical Scavengers , Molecular Docking Simulation , Thiazolidinediones , Animals , Diabetes Mellitus, Experimental/metabolism , Free Radical Scavengers/chemical synthesis , Free Radical Scavengers/chemistry , Free Radical Scavengers/pharmacology , Molecular Structure , Rats , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry , Thiazolidinediones/pharmacology , alpha-Amylases/antagonists & inhibitors , alpha-Amylases/chemistry
7.
J Enzyme Inhib Med Chem ; 37(1): 531-541, 2022 Dec.
Article in English | MEDLINE | ID: mdl-34991416

ABSTRACT

Different 2,4-thiazolidinedione-tethered coumarins 5a-b, 10a-n and 11a-d were synthesised and evaluated for their inhibitory action against the cancer-associated hCAs IX and XII, as well as the physiologically dominant hCAs I and II to explore their selectivity. Un-substituted phenyl-bearing coumarins 10a, 10 h, and 2-thienyl/furyl-bearing coumarins 11a-c exhibited the best hCA IX (KIs between 0.48 and 0.93 µM) and hCA XII (KIs between 0.44 and 1.1 µM) inhibitory actions. Interestingly, none of the coumarins had any inhibitory effect on the off-target hCA I and II isoforms. The sub-micromolar compounds from the biochemical assay, coumarins 10a, 10 h and 11a-c, were assessed in an in vitro antiproliferative assay, and then the most potent antiproliferative agent 11a was tested to explore its impact on the cell cycle phases and apoptosis in MCF-7 breast cancer cells to provide more insights into the anticancer activity of these compounds.


Subject(s)
Carbonic Anhydrase IX/antagonists & inhibitors , Carbonic Anhydrase Inhibitors/pharmacology , Carbonic Anhydrases/metabolism , Coumarins/pharmacology , Drug Discovery , Thiazolidinediones/pharmacology , Antigens, Neoplasm/metabolism , Apoptosis/drug effects , Carbonic Anhydrase IX/metabolism , Carbonic Anhydrase Inhibitors/chemical synthesis , Carbonic Anhydrase Inhibitors/chemistry , Cell Cycle/drug effects , Cell Proliferation/drug effects , Cell Survival/drug effects , Coumarins/chemical synthesis , Coumarins/chemistry , Dose-Response Relationship, Drug , Drug Screening Assays, Antitumor , Humans , MCF-7 Cells , Molecular Structure , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry
8.
Eur J Pharmacol ; 913: 174627, 2021 Dec 15.
Article in English | MEDLINE | ID: mdl-34774497

ABSTRACT

A series of thiazolidinediones (TZDs) were synthesized and screened for their effect on the mitochondrial respiration as well as on several mitochondrial respiratory system components of Drosophila melanogaster. Substituted and non-substituted 5-benzylidene and 5-benzylthiazolidine-2,4-diones were investigated. The effect of a substitution in position 3, at the nitrogen atom, of the thiozolidine heterocycle was also investigated. The designed TZDs were compared to UK5099, the most potent mitochondrial pyruvate carrier (MPC) inhibitor, in in vitro and in vivo tests. Compared to 5-benzylthiazolidine-2,4-diones 6-7 and 3-benzylthiazolidine-2,4-dione 8, 5-benzylidenethiazolidine-2,4-diones 2-5 showed more inhibitory capacity on mitochondrial respiration. 5-(4-Hydroxybenzylidene)thiazolidine-2,4-dione (3) and 5-(3-hydroxy-4-methoxybenzylidene)thiazolidine-2,4-dione (5) were among the best compounds that compared well with UK5099. Additionally, TZDs 3 and 5, showed no effects on the non-coupled respiration and weak effects on pathways using substrates such as proline, succinate, and G3P. 5-Benzylidenethiazolidine-2,4-dione 3 showed a positive effect on survival and lifespan when added to Drosophila standard and high fat diet. Interestingly, analog 3 completely reversed the effects of high fat diet on Drosophila longevity and induced metabolic changes which suggests an in vivo inhibition of MPC at the mitochondrial level.


Subject(s)
Longevity/drug effects , Mitochondria/drug effects , Monocarboxylic Acid Transporters/antagonists & inhibitors , Thiazolidinediones/pharmacology , Acrylates/pharmacology , Acrylates/therapeutic use , Animals , Diabetes Mellitus, Type 2/drug therapy , Diabetes Mellitus, Type 2/metabolism , Drosophila melanogaster , Humans , Inhibitory Concentration 50 , Male , Mitochondria/metabolism , Models, Animal , Monocarboxylic Acid Transporters/metabolism , Thiazolidinediones/chemical synthesis , Thiazolidinediones/therapeutic use
9.
Bioorg Med Chem ; 52: 116518, 2021 12 15.
Article in English | MEDLINE | ID: mdl-34826680

ABSTRACT

Dihydrodipicolinate synthase (DHDPS), responsible for the first committed step of the diaminopimelate pathway for lysine biosynthesis, has become an attractive target for the development of new antibacterial and herbicidal agents. Herein, we report the discovery and exploration of the first inhibitors of E. coli DHDPS which have been identified from screening lead and are not based on substrates from the lysine biosynthesis pathway. Over 50 thiazolidinediones and related analogues have been prepared in order to thoroughly evaluate the structure-activity relationships against this enzyme of significant interest.


Subject(s)
Enzyme Inhibitors/pharmacology , Heterocyclic Compounds/pharmacology , Hydro-Lyases/antagonists & inhibitors , Thiazolidinediones/pharmacology , Dose-Response Relationship, Drug , Enzyme Inhibitors/chemical synthesis , Enzyme Inhibitors/chemistry , Escherichia coli/enzymology , Heterocyclic Compounds/chemical synthesis , Heterocyclic Compounds/chemistry , Hydro-Lyases/metabolism , Molecular Structure , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry
10.
Future Med Chem ; 13(22): 1963-1986, 2021 11.
Article in English | MEDLINE | ID: mdl-34581188

ABSTRACT

Background: Angiogenesis deregulation is often linked to cancer and is thus an essential target. Materials & methods: Twenty-nine compounds were developed as VEGFR-2 inhibitors. Compounds were evaluated to determine their antiangiogenic activity. Results: B1, PB11 and PB16 showed HUVEC's IC50 scores in the submicromolar range. B1, B2 and PB16 reduced cellular migration and capillary tube formation of HUVECs. VEGFR-2 inhibitory activity was found in the nanomolar range: 200 nM of B1, 500 nM of B2 and 600 nM of PB16. B1 and PB16 suppressed the formation of new capillaries on growing CAMs. B1 and PB16 occupied the ATP site and allosteric pocket of VEGFR-2 in docking studies. Conclusion: These compounds can target VEGFR-2 and are endowed with in vitro and in vivo antiangiogenic activity.


Subject(s)
Angiogenesis Inhibitors/pharmacology , Drug Development , Neovascularization, Physiologic/drug effects , Protein Kinase Inhibitors/pharmacology , Pyrazoles/pharmacology , Thiazolidinediones/pharmacology , Angiogenesis Inhibitors/chemical synthesis , Angiogenesis Inhibitors/chemistry , Humans , Protein Kinase Inhibitors/chemical synthesis , Protein Kinase Inhibitors/chemistry , Pyrazoles/chemical synthesis , Pyrazoles/chemistry , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry , Vascular Endothelial Growth Factor Receptor-2/antagonists & inhibitors , Vascular Endothelial Growth Factor Receptor-2/metabolism
11.
Bioorg Chem ; 116: 105342, 2021 11.
Article in English | MEDLINE | ID: mdl-34536928

ABSTRACT

Thiazolidinedione (TZD) is a novel peroxides proliferator activated receptor γ (PPARγ) agonist with many side effects. Herein, we developed a series of novel TZD analogues as partial agonists targeting PPARγ. The study of anti-hyperglycemic activity and anti-inflammatory activity enabled us to identify a novel compound, 4 g, which quickly recover the blood glucose of mice at the concentration of 100 mg/kg, and show similar anti-inflammatory activity to ibuprofen at the concentration of 20 mg/kg. The competitive binding assay confirmed direct binding of 4 g to the LBD of PPARγ with IC50 being 1790 nM, and dose-dependently increased the transcriptional activity of PPARγ. Besides, through computer-aided drug design software simulation docking, it was found that compound 4 g showed the best binding ability to target protein PPARγ. Furthermore, because of the introduction of benzene containing group at N3 position, the stability of H12 in the active pocket is reduced and the stability of H3 and ß-fold is increased, showing the characteristics of some PPARγ agonists, based on the docking model analysis. Together, these results suggest that 4 g is a promising PPARγ agonist that deserves further investigation.


Subject(s)
Drug Design , PPAR gamma/agonists , Thiazolidinediones/pharmacology , Dose-Response Relationship, Drug , Humans , Molecular Docking Simulation , Molecular Structure , Software , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry
12.
Bioorg Chem ; 116: 105350, 2021 11.
Article in English | MEDLINE | ID: mdl-34547645

ABSTRACT

In the present study, two novel series of compounds incorporating naphthyl and pyridyl linker were synthesized and biological assays revealed 5-((6-(2-(5-(2-chlorophenyl)-3-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-2-oxoethoxy) naphthalene-2-yl)methylene)thiazolidine-2,4-dione (14b) as the most potent dual inhibitors of vascular endothelial growth factors receptor-2 (VEGFR-2) and histone deacetylase 4 (HDAC4). Compounds 13b, 14b, 17f, and 21f were found to stabilize HDAC4; where, pyridyl linker swords were endowed with higher stabilization effects than naphthyl linker. Also, 13b and 14b showed best inhibitory activity on VEGFR-2 as compared to others. Compound 14b was most potent as evident by in-vitro and in-vivo biological assessments. It displayed anti-angiogenic potential by inhibiting endothelial cell proliferation, migration, tube formation and also suppressed new capillary formation in the growing chick chorioallantoic membranes (CAMs). It showed selectivity and potency towards HDAC4 as compared to other HDAC isoforms. Compound 14b (25 mg/kg, i.p.) also indicated exceptional antitumor efficacy on in-vivo animal xenograft model of human colorectal adenocarcinoma (HT-29). The mechanism of action of 14b was also confirmed by western blot.


Subject(s)
Angiogenesis Inhibitors/pharmacology , Antineoplastic Agents/pharmacology , Histone Deacetylase Inhibitors/pharmacology , Neovascularization, Pathologic/drug therapy , Protein Kinase Inhibitors/pharmacology , Pyrazoles/pharmacology , Thiazolidinediones/pharmacology , Angiogenesis Inhibitors/chemical synthesis , Angiogenesis Inhibitors/chemistry , Animals , Antineoplastic Agents/chemical synthesis , Antineoplastic Agents/chemistry , Cell Line, Tumor , Cell Movement/drug effects , Cell Proliferation/drug effects , Dose-Response Relationship, Drug , Drug Screening Assays, Antitumor , Histone Deacetylase Inhibitors/chemical synthesis , Histone Deacetylase Inhibitors/chemistry , Histone Deacetylases/metabolism , Humans , Mice , Molecular Structure , Neoplasms, Experimental/drug therapy , Neoplasms, Experimental/metabolism , Neoplasms, Experimental/pathology , Protein Kinase Inhibitors/chemical synthesis , Protein Kinase Inhibitors/chemistry , Pyrazoles/chemical synthesis , Pyrazoles/chemistry , Repressor Proteins/antagonists & inhibitors , Repressor Proteins/metabolism , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry , Vascular Endothelial Growth Factor Receptor-2/antagonists & inhibitors , Vascular Endothelial Growth Factor Receptor-2/metabolism
13.
Antiviral Res ; 194: 105165, 2021 10.
Article in English | MEDLINE | ID: mdl-34419484

ABSTRACT

The development of novel antivirals to treat hepatitis B virus (HBV) infection is still needed because currently available drugs do not completely eradicate chronic HBV in some patients. Recently, troglitazone and ciglitazone, classified among the compounds including the thiazolidinedione (TZD) moiety, were found to inhibit HBV infection, but these compounds are not clinically available. In this study, we synthesized 11 TZD derivatives, compounds 1-11, and examined the effect of each compound on HBV infection in HepG2 cells expressing NTCP (HepG2/NTCP cells). Among the derivatives, (Z)-5-((4'-(naphthalen-1-yl)-[1,1'-biphenyl]-4-yl)methylene)thiazolidine-2,4-dione (compound 6) showed the highest antiviral activity, with an IC50 value of 0.3 µM and a selectivity index (SI) of 85, but compound 6 did not affect HCV infection. Treatment with compound 6 inhibited HBV infection in primary human hepatocytes (PHHs) but did not inhibit viral replication in HepG2.2.15 cells or HBV DNA-transfected Huh7 cells. Moreover, treatment with compound 6 significantly impaired hepatitis delta virus (HDV) infection and inhibited a step in HBV particle internalization but did not inhibit attachment of the preS1 lipopeptide or viral particles to the cell surface. These findings suggest that compound 6 interferes with HBV infection via inhibition of the internalization process.


Subject(s)
Antiviral Agents/pharmacology , Hepatitis B virus/drug effects , Thiazolidinediones/pharmacology , Virus Internalization/drug effects , Virus Replication/drug effects , Antiviral Agents/chemical synthesis , Hep G2 Cells , Hepatocytes/drug effects , Hepatocytes/virology , Humans , Inhibitory Concentration 50 , Thiazolidinediones/chemical synthesis
14.
Bioorg Chem ; 115: 105184, 2021 10.
Article in English | MEDLINE | ID: mdl-34333421

ABSTRACT

A novel series of 1,2,3-triazole-thiazolidinone-carvone hybrid compounds has been designed and synthesized using the copper-catalyzed Huisgen azide-alkyne 1,3-dipolar cycloaddition (CuAAC) process based on (R)-Carvone-O-propargylated 5-hydroxybenzylidene-thiazolidin-4-one derivative as starting material. All compounds were characterized and identified based on their NMR and HRMS spectroscopic data. HMBC correlations confirm that under the CuAAC reaction conditions, only the 1,4-disubstituted triazole regioisomers were formed. The targeted 1,2,3-triazole-thiazolidinone-carvone hybrids and their precursors were evaluated for their cytotoxic activity against four human cancer cell lines, including fibrosarcoma (HT-1080), lung carcinoma (A-549), and breast carcinoma (MCF-7 and MDA-MB-231). The obtained data showed that most of these compounds have moderate anti-proliferative activity with IC50 values between 15.04 ± 0.71 and 42.22 ± 1.20 µM. The mechanism of action of the most active compounds 14e and 14f suggested that they induce apoptosis through caspase-3/7 activation, and the compound 14e elicited S-phase arrest, while compound 14f evoked G2/M phase blockade. The molecular docking confirmed that compounds 14e and 14f were nicely bonded with caspace-3 leading up to stable protein-ligand complexes.


Subject(s)
Antineoplastic Agents/chemistry , Antineoplastic Agents/pharmacology , Triazoles/chemistry , Triazoles/pharmacology , Antineoplastic Agents/chemical synthesis , Apoptosis/drug effects , Caspase 3/metabolism , Cell Line, Tumor , Cell Proliferation/drug effects , Drug Screening Assays, Antitumor , Humans , Molecular Docking Simulation , Neoplasms/drug therapy , Neoplasms/metabolism , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry , Thiazolidinediones/pharmacology , Triazoles/chemical synthesis
15.
Eur J Immunol ; 51(10): 2441-2451, 2021 10.
Article in English | MEDLINE | ID: mdl-34287839

ABSTRACT

Inhibition of the BCL6 BTB domain results in killing Diffuse Large B-cell Lymphoma (DLBL) cells, reducing the T-cell dependent germinal center (GC) reaction in mice, and reversing GC hyperplasia in nonhuman primates. The available BCL6 BTB-specific inhibitors are poorly water soluble, thus, limiting their absorption in vivo and our understanding of therapeutic strategy targeting GC. We synthesized a prodrug (AP-4-287) from a potent BCL6 BTB inhibitor (FX1) with improved aqueous solubility and pharmacokinetics (PK) in mice. We also evaluated its in vivo biological activity on humoral immune responses using the sheep red blood cells (SRBC)-vaccination mouse model. AP-4-287 had a significant higher aqueous solubility and was readily converted to FX1 in vivo after intraperitoneally (i.p.) administration, but a shorter half-life in vivo. Importantly, AP-4-287 treatment led to a reversible effect on (1) the reduction in the frequency of splenic Ki67+ CD4+ T cells, Tfh cells, and GC B cells; (2) lower GC formation following vaccination; and (3) a decrease in the titers of antigen-specific IgG and IgM antibodies. Our study advances the preclinical development of drug targeting BCL6 BTB domain for the treatment of diseases that are associated with abnormal BCL6 elevation.


Subject(s)
Lymphocyte Activation/drug effects , Lymphocyte Activation/immunology , Protein Interaction Domains and Motifs/drug effects , Proto-Oncogene Proteins c-bcl-6/antagonists & inhibitors , T-Lymphocytes/drug effects , T-Lymphocytes/immunology , T-Lymphocytes/metabolism , Animals , Antibody Formation/drug effects , Cell Differentiation/drug effects , Cell Differentiation/immunology , Chemistry Techniques, Synthetic , Germinal Center/drug effects , Germinal Center/immunology , Germinal Center/metabolism , Immunity, Humoral/drug effects , Immunomodulation/drug effects , Indoles/administration & dosage , Indoles/chemical synthesis , Indoles/pharmacokinetics , Mice , Prodrugs/administration & dosage , Prodrugs/chemical synthesis , Prodrugs/pharmacokinetics , Proto-Oncogene Proteins c-bcl-6/chemistry , Proto-Oncogene Proteins c-bcl-6/metabolism , T-Lymphocyte Subsets/drug effects , T-Lymphocyte Subsets/immunology , T-Lymphocyte Subsets/metabolism , Thiazolidinediones/administration & dosage , Thiazolidinediones/chemical synthesis , Thiazolidinediones/pharmacokinetics
16.
Eur J Med Chem ; 223: 113630, 2021 Nov 05.
Article in English | MEDLINE | ID: mdl-34175538

ABSTRACT

In search of dually active PPAR-modulators/aldose reductase (ALR2) inhibitors, 16 benzylidene thiazolidinedione derivatives, previously reported as partial PPARγ agonists, together with additional 18 structural congeners, were studied for aldose reductase inhibitory activity. While no compounds had dual property, our efforts led to the identification of promising inhibitors of ALR2. Eight compounds (11, 15-16, 20-24, 30) from the library of 33 compounds were identified as potent and selective inhibitors of ALR2. Compound 21 was the most effective and selective inhibitor with an IC50 value of 0.95 ± 0.11 and 13.52 ± 0.81 µM against ALR2 and aldehyde reductase (ALR1) enzymes, respectively. Molecular docking and dynamics studies were performed to understand inhibitor-enzyme interactions at the molecular level that determine the potency and selectivity. Compound 21 was further subjected to in silico and in vitro studies to evaluate the pharmacokinetic profile. Being less acidic (pKa = 9.8), the compound might have a superior plasma membrane permeability and reach the cytosolic ALR2. This fact together with excellent drug-likeness criteria points to improved bioavailability compared to the clinically used compound Epalrestat. The designed compounds represent a novel group of non-carboxylate inhibitors of aldose reductase with an improved physicochemical profile.


Subject(s)
Aldehyde Reductase/antagonists & inhibitors , Enzyme Inhibitors/pharmacology , Thiazolidinediones/pharmacology , Aldehyde Reductase/chemistry , Aldehyde Reductase/metabolism , Animals , Caco-2 Cells , Catalytic Domain , Dogs , Enzyme Inhibitors/chemical synthesis , Enzyme Inhibitors/metabolism , Enzyme Inhibitors/pharmacokinetics , Humans , Hypoglycemic Agents/chemical synthesis , Hypoglycemic Agents/metabolism , Hypoglycemic Agents/pharmacokinetics , Hypoglycemic Agents/pharmacology , Madin Darby Canine Kidney Cells , Male , Molecular Docking Simulation , Molecular Dynamics Simulation , Molecular Structure , Protein Binding , Rats, Wistar , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/metabolism , Thiazolidinediones/pharmacokinetics
17.
Bioorg Chem ; 114: 104970, 2021 09.
Article in English | MEDLINE | ID: mdl-34120026

ABSTRACT

Thiazolidinediones (TZD), benzopyrans are the proven scaffolds for inhibiting Aldose reductase (ALR2) activity and their structural confluence with the retention of necessary fragments helped in designing a series of hybrid compounds 2-(5-cycloalkylidene-2,4-dioxothiazolidin-3-yl)-N-(2-oxo-2H-chromen-3-yl)acetamide (10a-n) for better ALR2 inhibition. The compounds were synthesized by treating substituted 3-(N-bromoacetyl amino)coumarins (9a-d) with potassium salt of 5-cyclo alkylidene-1,3-thiazolidine-2,4-diones (4a-d). The inhibition activity against ALR2 with IC50 values range from 0.012 ± 0.001 to 0.056 ± 0.007 µM. N-[(6-Bromo-3-coumarinyl)-2-(5-cyclopentylidene-2,4-dioxothiazolidin-3-yl)] acetamide (10c) with cyclopentylidene group on one end and the 6-bromo group on the other end showed better inhibitory property (IC50 = 0.012 µM) and selectivity index (324.166) against the ALR2, a forty fold superiority over sorbinil, a better molecule over epalrestat and rest of the analogues exhibited a far superior response over sorbinil and slightly better as compared with epalrestat. It was further confirmed by the insilico studies that compound 10c showed best inhibition activity among the synthesized compounds with a high selectivity index against the ALR2. In invivo experiments, supplementation of compound 10c to STZ induced rats delayed the progression of cataract in a dose-dependent manner warranting its further development as a potential agent to treat thediabetic secondary complications especially cataract.


Subject(s)
Aldehyde Reductase/antagonists & inhibitors , Coumarins/therapeutic use , Diabetes Mellitus, Experimental/drug therapy , Enzyme Inhibitors/therapeutic use , Hypoglycemic Agents/therapeutic use , Thiazolidinediones/therapeutic use , Aldehyde Reductase/metabolism , Animals , Cataract/prevention & control , Coumarins/chemical synthesis , Coumarins/metabolism , Coumarins/pharmacokinetics , Drug Design , Enzyme Inhibitors/chemical synthesis , Enzyme Inhibitors/metabolism , Enzyme Inhibitors/pharmacokinetics , Hypoglycemic Agents/chemical synthesis , Hypoglycemic Agents/metabolism , Hypoglycemic Agents/pharmacokinetics , Male , Molecular Docking Simulation , Molecular Structure , Protein Binding , Rats, Sprague-Dawley , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/metabolism , Thiazolidinediones/pharmacokinetics
18.
J Enzyme Inhib Med Chem ; 36(1): 1217-1229, 2021 Dec.
Article in English | MEDLINE | ID: mdl-34080514

ABSTRACT

The thiazolidinone ring is found in compounds that have widespan biology activity and there is mechanism-based evidence that compounds bearing this moiety inhibit P. aeruginosa PhzS (PaPzhS), a key enzyme in the biosynthesis of the virulence factor named pyocyanin. Ten novel thiazolidinone derivatives were synthesised and screened against PaPhzS, using two orthogonal assays. The biological results provided by these and 28 other compounds, whose synthesis had been described, suggest that the dihydroquinazoline ring, found in the previous hit (A- Kd = 18 µM and LE = 0.20), is not required for PaPzhS inhibition, but unsubstituted nitrogen at the thiazolidinone ring is. The molecular simplification approach, pursued in this work, afforded an optimised lead compound (13- 5-(2,4-dimethoxyphenyl)thiazolidine-2,4-dione) with 10-fold improvement in affinity (Kd= 1.68 µM) and more than 100% increase in LE (0.45), which follows the same inhibition mode as the original hit compound (competitive to NADH).Executive summaryPhzS is a key enzyme in the pyocyanin biosynthesis pathway in P. aeruginosa.Orthogonal assays (TSA and FITC) show that fragment-like thiazolidinedione derivatives bind to PaPhzS with one-digit micromolar affinity.Fragment-like thiazolidinedione derivatives bind to the cofactor (NADH) binding site in PaPhzS.The molecular simplification optimised the ligand efficiency and affinity of the lead compound.


Subject(s)
Anti-Bacterial Agents/chemical synthesis , Anti-Bacterial Agents/pharmacology , Pseudomonas aeruginosa/drug effects , Thiazolidinediones/pharmacology , Humans , Ligands , Thiazolidinediones/chemical synthesis
19.
Bioorg Chem ; 112: 104958, 2021 07.
Article in English | MEDLINE | ID: mdl-33979734

ABSTRACT

A new series of N-(3-oxo-1-thia-4-azaspiro[4.5]decan-4-yl)carboxamides have been designed, synthesized and evaluated as antiviral agents. The compounds were prepared by condensation of 2-methylfuran-3-carbohydrazide, appropriate carbonyl compounds and sulfanyl acids. The new molecules were characterized by IR, 1H NMR, 13C NMR, mass spectrometry and elemental analysis. Six analogues proved to be active against influenza A/H3N2 virus, the two most protent analogues, 3c and 3d, having an EC50 value of about 1 µM. These findings help to define the SAR of spirothiazolidinone-based inhibitors of the influenza virus membrane fusion process.


Subject(s)
Antiviral Agents/pharmacology , Drug Design , Furans/pharmacology , Orthomyxoviridae/drug effects , Spiro Compounds/pharmacology , Thiazolidinediones/pharmacology , Antiviral Agents/chemical synthesis , Antiviral Agents/chemistry , Dose-Response Relationship, Drug , Furans/chemistry , Microbial Sensitivity Tests , Molecular Docking Simulation , Molecular Structure , Spiro Compounds/chemical synthesis , Spiro Compounds/chemistry , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry
20.
Arch Pharm (Weinheim) ; 354(9): e2100021, 2021 Sep.
Article in English | MEDLINE | ID: mdl-33988883

ABSTRACT

New thiazolidine-2,4-dione hybrids were designed and synthesized as potential peroxisome proliferator-activated receptor (PPAR)-γ agonists and thymidylate synthase inhibitors. All the synthesized compounds follow Lipinski's and Veber's rules and possess the desired pharmacokinetics properties. The PPAR-γ transactivation results displayed that compounds 12 (78.9%) and 11 (73.4%) were the most active compounds and they increased PPAR-γ gene expression by 2.2- and 2.4-fold, respectively. Compounds 12, 11, and 8 showed promising cytotoxicity, with IC50 values ranging from 1.4 to 4.5 µM against MCF-7 cells and from 1.8 to 8.4 µM against HCT-116 cells. Compounds 11 and 12 also inhibited thymidylate synthase with IC50 values of 5.1 and 3.2 µM, respectively, confirming their mode of action as thymidylate synthase inhibitors. Finally, molecular docking studies supported the in vitro biological activity results.


Subject(s)
Enzyme Inhibitors/pharmacology , PPAR gamma/agonists , Thiazolidinediones/pharmacology , Thymidylate Synthase/antagonists & inhibitors , Antineoplastic Agents/chemical synthesis , Antineoplastic Agents/pharmacology , Breast Neoplasms/drug therapy , Breast Neoplasms/pathology , Colorectal Neoplasms/drug therapy , Colorectal Neoplasms/pathology , Enzyme Inhibitors/chemical synthesis , Enzyme Inhibitors/chemistry , Female , HCT116 Cells , Humans , Inhibitory Concentration 50 , MCF-7 Cells , Molecular Docking Simulation , Structure-Activity Relationship , Thiazolidinediones/chemical synthesis , Thiazolidinediones/chemistry
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