1
|
Rashdan HRM, Abdelmonsef AH, Shehadi IA, Gomha SM, Soliman AMM, Mahmoud HK. Synthesis, Molecular Docking Screening and Anti-Proliferative Potency Evaluation of Some New Imidazo[2,1- b]Thiazole Linked Thiadiazole Conjugates. Molecules 2020; 25:molecules25214997. [PMID: 33126630 PMCID: PMC7663531 DOI: 10.3390/molecules25214997] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 10/19/2020] [Accepted: 10/26/2020] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Imidazo[2,1-b]thiazole scaffolds were reported to possess various pharmaceutical activities. RESULTS The novel compound named methyl-2-(1-(3-methyl-6-(p-tolyl)imidazo[2,1-b]thiazol-2-yl)ethylidene)hydrazine-1-carbodithioate 3 acted as a predecessor molecule for the synthesis of new thiadiazole derivatives incorporating imidazo[2,1-b]thiazole moiety. The reaction of 3 with the appropriate hydrazonoyl halide derivatives 4a-j and 7-9 had produced the respective 1,3,4-thiadiazole derivatives 6a-j and 10-12. The chemical composition of all the newly synthesized derivatives were confirmed by their microanalytical and spectral data (FT-IR, mass spectrometry, 1H-NMR and 13C-NMR). All the produced novel compounds were screened for their anti-proliferative efficacy on hepatic cancer cell lines (HepG2). In addition, a computational molecular docking study was carried out to determine the ability of the synthesized thiadiazole molecules to interact with active site of the target Glypican-3 protein (GPC-3). Moreover, the physiochemical properties of the synthesized compounds were derived to determine the viability of the compounds as drug candidates for hepatic cancer. CONCLUSION All the tested compounds had exhibited good anti-proliferative efficacy against hepatic cancer cell lines. In addition, the molecular docking results showed strong binding interactions of the synthesized compounds with the target GPC-3 protein with lower energy scores. Thus, such novel compounds may act as promising candidates as drugs against hepatocellular carcinoma.
Collapse
Affiliation(s)
- Huda R. M. Rashdan
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Cairo 12622, Egypt
- Correspondence:
| | | | - Ihsan A. Shehadi
- Chemistry Department, Faculty of Science, University of Sharjah, Sharjah 27272, UAE;
| | - Sobhi M. Gomha
- Chemistry department, Faculty of Science, Cairo University, Giza 12613, Egypt; (S.M.G.); (H.K.M.)
- Department of Chemistry, Faculty of Science, Islamic University in Almadinah Almonawara, Almadinah Almonawara 42351, Saudi Arabia
| | | | - Huda K. Mahmoud
- Chemistry department, Faculty of Science, Cairo University, Giza 12613, Egypt; (S.M.G.); (H.K.M.)
| |
Collapse
|
2
|
Nagireddy PR, Kommalapati VK, Siva Krishna V, Sriram D, Tangutur AD, Kantevari S. Imidazo[2,1- b]thiazole-Coupled Natural Noscapine Derivatives as Anticancer Agents. ACS OMEGA 2019; 4:19382-19398. [PMID: 31763563 PMCID: PMC6868913 DOI: 10.1021/acsomega.9b02789] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 10/23/2019] [Indexed: 06/10/2023]
Abstract
Noscapine, a phthalide isoquinoline alkaloid isolated from the opium poppy Papaver somniferum, is traditionally being used as an anticough drug. With a safe in vitro toxicological profile, noscapine and its analogues have been explored to show microtubule-regulating properties and anticancer activity against various mammalian cancer cell lines. Since then, our group and other research groups worldwide are working on developing new noscapinoids to tap its potential as the leading drug molecule. With our continuing efforts, we herein present synthesis and anticancer evaluation of a series of imidazothiazole-coupled noscapinoids 7a-o and 11a-o. Natural α-noscapine was N-demethylated to nornoscapine 4 and then reacted with 4-(chloromethyl) thiazole-2-amine. The resultant noscapinoid 5 was coupled with various bromomethyl ketones 10a-o to give N-imidazothiazolyl noscapinoids 7a-o in very good yields. Similarly, natural α-noscapine 1 was O-demethylated using sodium azide/sodium iodide, reacted with 4-(chloromethyl)thiazole-2-amine, and coupled with bromomethyl ketones 10a-o to result in O-imidazothiazolyl noscapinoids 11a-o. All the new analogues 7a-o and 11a-o were fully characterized by their NMR and mass spectral analysis. In vitro cytotoxicity assay was performed for compounds 5, 7a-o, 9, and 11a-o against four different cancer cell lines: HeLa (cervical), MIA PaCa-2 (pancreatic), SK-N-SH (neuroblastoma), and DU145 (prostate cancer). Among these conjugates, 5, 7a, 9, 11b, 11c, 11e, and 11o showed potent cytotoxicity with low IC50 values. Further, flow cytometry analysis revealed that MIA PaCa-2 cells treated with these compounds induced cell cycle G2/M-phase arrest. In addition, Western blot analysis revealed that the cells treated with these conjugates accumulate tubulin in the soluble fraction and also elevate cyclin-B1 protein expression levels. Moreover, the conjugates also increased the expression of caspase-3 and PARP levels which is indicative of apoptotic cell death. In silico molecular docking studies showed several noncovalent interactions like van der Waals and hydrogen-bonding with tubulin protein and with good binding energy. The results indicated that these noscapine analogues may serve as novel compounds that can possibly inhibit tubulin protein and can be considered for further optimization as a clinical candidate for treating pancreatic cancer.
Collapse
Affiliation(s)
- Praveen
Kumar Reddy Nagireddy
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - Vamsi Krishna Kommalapati
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - Vagolu Siva Krishna
- Medicinal
Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology & Science Pilani, Hyderabad Campus, Hyderabad 500078, Telangana, India
| | - Dharmarajan Sriram
- Medicinal
Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology & Science Pilani, Hyderabad Campus, Hyderabad 500078, Telangana, India
| | - Anjana Devi Tangutur
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, Tamil Nadu, India
| | - Srinivas Kantevari
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, Tamil Nadu, India
| |
Collapse
|
3
|
Mahmoud HK, Gomha SM, Farghaly TA, Awad HM. Synthesis of Thiazole Linked Imidazo[2,1-b]Thiazoles as Anticancer Agents. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2019.1689514] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Huda K. Mahmoud
- Faculty of Science, Department of Chemistry, University of Cairo, Giza, Egypt
| | - Sobhi M. Gomha
- Faculty of Science, Department of Chemistry, University of Cairo, Giza, Egypt
- Faculty of Science, Department of Chemistry, Islamic University in Almadinah Almonawara, Almadinah Almonawara, Saudi Arabia
| | - Thoraya A. Farghaly
- Faculty of Science, Department of Chemistry, University of Cairo, Giza, Egypt
- Faculty of Applied Science, Chemistry Department, Umm Al-Qura University, Makkah Almukkarramah, Saudi Arabia
| | - Hanem M. Awad
- Department of Tanning Material and Leather Technology, National Research Center, Dokki, Cairo, Egypt
| |
Collapse
|
4
|
The Chemistry of Sulfur-Containing [5,5]-Fused Ring Systems With a Bridgehead Nitrogen. ADVANCES IN HETEROCYCLIC CHEMISTRY 2018. [DOI: 10.1016/bs.aihch.2017.10.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
|
5
|
Narva S, Chitti S, Amaroju S, Bhattacharjee D, Rao BB, Jain N, Alvala M, Sekhar KVGC. Design and synthesis of 4-morpholino-6-(1,2,3,6-tetrahydropyridin-4-yl)-N-(3,4,5-trimethoxyphenyl)-1,3,5-triazin-2-amine analogues as tubulin polymerization inhibitors. Bioorg Med Chem Lett 2017; 27:3794-3801. [DOI: 10.1016/j.bmcl.2017.06.060] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 06/19/2017] [Accepted: 06/23/2017] [Indexed: 10/19/2022]
|
6
|
Shaik SP, Vishnuvardhan M, Sultana F, Subba Rao A, Bagul C, Bhattacharjee D, Kapure JS, Jain N, Kamal A. Design and synthesis of 1,2,3-triazolo linked benzo[ d ]imidazo[2,1- b ]thiazole conjugates as tubulin polymerization inhibitors. Bioorg Med Chem 2017; 25:3285-3297. [DOI: 10.1016/j.bmc.2017.04.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 04/11/2017] [Indexed: 12/23/2022]
|
7
|
Subba Rao AV, Rao BB, Sunkari S, Shaik SP, Shaik B, Kamal A. 2-Arylaminobenzothiazole-arylpropenone conjugates as tubulin polymerization inhibitors. MEDCHEMCOMM 2017; 8:924-941. [PMID: 30108808 DOI: 10.1039/c6md00562d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 01/05/2017] [Indexed: 01/11/2023]
Abstract
A new series of 2-arylaminobenzothiazole-arylpropenone conjugates 5-6(a-r) was designed, synthesized and investigated for their cytotoxic potency against the various human cancer cell lines. Most of these conjugates exhibited cytotoxic activity and inhibited in vitro tubulin polymerization effectively. Conjugates 5d and 6d cause cell cycle blocks in the G2/M phase in HeLa cells and treatments with 5d and 6d manifested increased mRNA and protein levels of the G2/M marker, cyclin B1. Immunocytochemistry revealed loss of intact microtubule structure in cells treated with 5d and 6d. Western blot analysis revealed that these conjugates accumulate more tubulin in the soluble fraction. Moreover, the triggering of apoptotic cell death after mitotic arrest was investigated by studying their effect on Hoechst staining, mitochondrial membrane potential, ROS generation.
Collapse
Affiliation(s)
- A V Subba Rao
- Medicinal Chemistry and Pharmacology , India.,Academy of Scientific and Innovative Research (AcSIR) , India
| | - Bala Bhaskara Rao
- Academy of Scientific and Innovative Research (AcSIR) , India.,Centre for Chemical Biology , CSIR-Indian Institute of Chemical Technology , Hyderabad 500 007 , India .
| | - Satish Sunkari
- Medicinal Chemistry and Pharmacology , India.,Academy of Scientific and Innovative Research (AcSIR) , India
| | - Siddiq Pasha Shaik
- Medicinal Chemistry and Pharmacology , India.,Academy of Scientific and Innovative Research (AcSIR) , India
| | - Bajee Shaik
- Medicinal Chemistry and Pharmacology , India
| | - Ahmed Kamal
- Medicinal Chemistry and Pharmacology , India.,Academy of Scientific and Innovative Research (AcSIR) , India
| |
Collapse
|
8
|
Subba Rao A, Swapna K, Shaik SP, Lakshma Nayak V, Srinivasa Reddy T, Sunkari S, Shaik TB, Bagul C, Kamal A. Synthesis and biological evaluation of cis -restricted triazole/tetrazole mimics of combretastatin-benzothiazole hybrids as tubulin polymerization inhibitors and apoptosis inducers. Bioorg Med Chem 2017; 25:977-999. [DOI: 10.1016/j.bmc.2016.12.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/22/2016] [Accepted: 12/08/2016] [Indexed: 02/06/2023]
|
9
|
Design and synthesis of imidazo[2,1-b]thiazole linked triazole conjugates: Microtubule-destabilizing agents. Eur J Med Chem 2017; 126:36-51. [DOI: 10.1016/j.ejmech.2016.09.060] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 09/17/2016] [Accepted: 09/19/2016] [Indexed: 01/11/2023]
|