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Joshi R, Gaikwad H, Soge B, Alshammari A, Albekairi NA, Kabra A, Yashwante U, Kolte B, Lokhande P, Meshram RJ. Exploring pyrazolines as potential inhibitors of NSP3-macrodomain of SARS-CoV-2: synthesis and in silico analysis. Sci Rep 2025; 15:767. [PMID: 39755743 PMCID: PMC11700119 DOI: 10.1038/s41598-024-81711-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 11/28/2024] [Indexed: 01/06/2025] Open
Abstract
COVID-19 has proved to be a global health crisis during the pandemic, and the emerging JN.1 variant is a potential threat. Therefore, finding alternative antivirals is of utmost priority. In the current report, we present the synthesis of new and potential anti-viral pyrazoline compounds. Here we report a chemical scheme where β-aryl β-anilino ketones react with phenyl hydrazine in potassium hydroxide to give the corresponding 3,5-diarylpyrazoline. The protocol is applicable to a variety of β-amino ketones and tolerates several functional groups. This method is efficient and proceeds regioselectivity since the β-Anilino group acts as a protecting group for alkenes of chalcones. We identified the NSP3-microdomain (Mac-1) of SARS-CoV-2 as a putative target for newly synthesized triaryl-2-pyrazoline compounds. The molecular dynamics simulation-based free energy estimation suggests compounds 7a, 7d, 7 g, 7i, 7k, and 7 L as promising Mac-1 inhibitors. The detailed structural inspection of MD simulation trajectories sheds light on the structural and functional dynamics involved in the SARS-CoV-2 Mac-1. The data presented here is expected to guide the design and development of better anti-SARS-CoV-2 therapies.
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Affiliation(s)
- Rekha Joshi
- Department of Chemistry, Savitribai Phule Pune University, Pune, Pune, Maharashtra, 411007, India
| | - Harsh Gaikwad
- Department of Chemistry, Savitribai Phule Pune University, Pune, Pune, Maharashtra, 411007, India
| | - Bhavana Soge
- Bioinformatics Centre, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India
| | - Abdulrahman Alshammari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Post Box 2455, Riyadh, 11451, Saudi Arabia
| | - Norah A Albekairi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Post Box 2455, Riyadh, 11451, Saudi Arabia
| | - Atul Kabra
- University Institute of Pharma Sciences, Chandigarh University, Mohali, Punjab, India
| | - Usha Yashwante
- Bioinformatics Centre, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India
| | - Baban Kolte
- Department of Microbial Genome Research, Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, 38124, Braunschweig, Germany
- Institute of Microbiology, Technical University of Braunschweig, 38106, Braunschweig, Germany
| | - Pradip Lokhande
- Department of Chemistry, Savitribai Phule Pune University, Pune, Pune, Maharashtra, 411007, India.
| | - Rohan J Meshram
- Bioinformatics Centre, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India.
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Shabnam M, Alabdullkarem EA, Jan MS, Alotaibi SH, Al-Ahmary KM, Ibrar M, Hussien M, Sherif AE. Pharmacological evaluation and binding behavior of 4,4'-diamino-2,2'-stilbene disulfonic acid with metal ions using spectroscopic techniques. Heliyon 2024; 10:e34639. [PMID: 39148976 PMCID: PMC11324972 DOI: 10.1016/j.heliyon.2024.e34639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 07/11/2024] [Accepted: 07/12/2024] [Indexed: 08/17/2024] Open
Abstract
Industrial and human activities contribute significantly to the environmental contamination of heavy metal ions (HMIs), which have detrimental effects on aquatic life, plants, and animals, causing major toxicological problems. The commercially available 4,4'-diamino-2,2'-stilbenedisulfonic acid (DSD) has been playing a vital role in the detection of heavy metal ions and has significantly inhibited a variety of cancer cells in numerous field of modern science. The current investigation aimed to ensure the detection of heavy metals ions from the environment and fluorescence imaging of DSD in the treatment of cancer cells. Fluorescence and UV-Visible spectroscopic analysis was performed to sense the selective behavior of the probe DSD with several heavy metal ions, including Fe2+, K1+, Co2+, Ni2+, Zn2+, Cd2+, Pb2+, Mn2+, Sn2+, and Cr3+. Furthermore, DSD was subjected to examine enzyme inhibition such as anti-Alzheimer, anti-inflammatory, antioxidant, anticancer, and antimicrobial activities in search of multifaceted drugs. Test compounds have demonstrated dose-dependent responses in the in-vitro enzyme inhibition assays for acetylcholinesterase (AChE), butyrylcholinesterase (BChE), cyclooxygenase (COX), and lipoxygenase (LOX), as well as antioxidant [DPPH = 2,2-diphenyl-1-picrylhydrazyl and ABTS = 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid]. The DSD were shown to be more effective than the conventional medication galantamine in inhibiting acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), with an IC50 value of 12.18 and 20.87 μM, which is equivalent to the standard drug. The results obtained has revealed that DSD has the potential to become an effective sensor for the detection of Sn2+ ions over competing metal ions due to the inhibition of photo-induced electron transfer pathway (PET). The MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazoliumbromide tetrazolium) test, demonstrated that DSD had strong anticancer effects against the brain cancer cell line NIH/3T3, HeLa and MCF-7 with an IC50 value of 32.59, 15.31 and 96.46 μM respectively. The antimicrobial testing has shown that DSD outperforms the standard drug cefixime against Candida albicans and Pseudomonas aeruginosa, respectively. This study makes a substantial contribution to the ongoing search for efficient treatments for breast cancer.
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Affiliation(s)
- Madeeha Shabnam
- Department of Chemistry, Women University, Mardan, KP, Pakistan
| | - Eman A Alabdullkarem
- Chemistry Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Muhammad Saeed Jan
- Department of Pharmacy, Bacha Khan University, Charsadda, 24420, KP, Pakistan
| | - Saad H Alotaibi
- Department of Chemistry, Turabah University College, Taif University, P.O. box 11099, Taif, 21944, Saudi Arabia
| | | | - Muhammad Ibrar
- Department of Pharmacy, Bacha Khan University, Charsadda, 24420, KP, Pakistan
| | - Mohamed Hussien
- Department of Chemistry, Faculty of Science, King Khalid University, P.O. box 9004, Abha, 61413, Saudi Arabia
| | - Asmaa E Sherif
- Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdul Aziz University, Al-Kharj, 11942, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
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Asiri SA, Shabnam M, Zafar R, Alshehri OM, Alshehri MA, Sadiq A, Mahnashi MH, Jan MS. Evaluation of Habenaria aitchisonii Reichb. for antioxidant, anti-inflammatory, and antinociceptive effects with in vivo and in silico approaches. Front Chem 2024; 12:1351827. [PMID: 38566899 PMCID: PMC10985259 DOI: 10.3389/fchem.2024.1351827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 02/23/2024] [Indexed: 04/04/2024] Open
Abstract
Habenaria aitchisonii Reichb was analyzed in this research, including its chemical composition and its in vitro antioxidant, anti-inflammatory, acute oral toxicity, and antinociceptive activity. The chloroform and ethyl acetate fractions were found to be the most powerful based on in vitro antioxidant, anti-inflammatory, and analgesic assays. The acute oral toxicity of the crude methanolic extract was determined before in vivo studies. The acetic acid and formalin tests were used to measure the antinociceptive effect, and the potential mechanisms involved in antinociception were explored. The carrageenan-induced paw edema test was used to examine the immediate anti-inflammatory effect, and many phlogistic agents were used to determine the specific mechanism. Furthermore, for ex vivo activities, the mice were sacrificed, the forebrain was isolated, and the antioxidant levels of glutathione (GSH), superoxide dismutase (SOD), thiobarbituric acid reactive substances (TBARS) and catalase (CAT) were estimated using a UV spectrophotometer. No toxicity was seen at oral dosages up to 3,000 mg/kg. The antinociceptive impact was much higher than the standard drug. Both the inflammatory and neurogenic phases of the formalin experiment revealed an analgesic effect in the chloroform and ethyl acetate fractions. In carrageenan anti-inflammatory assays, the chloroform fraction (Ha.Chf) was the most potent fraction. We further studied the GC-MS of crude plant extract and found a total of 18 compounds. In the anti-inflammatory mechanism, it was observed that the Ha.Chf inhibits the COX-2 as well as 5-LOX pathways. The results exhibited that this species is a good source of phytocomponents like germacrone, which can be employed as a sustainable and natural therapeutic agent, supporting its traditional use in folk medicine for inflammatory conditions and pain.
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Affiliation(s)
- Saeed Ahmed Asiri
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Madeeha Shabnam
- Department of Chemistry, Women University, Mardan, Khyber Pakhtunkhwa, Pakistan
| | - Rehman Zafar
- Akhtar Saeed College of Pharmacy, Rawalpindi, Pakistan
| | - Osama M. Alshehri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Mohammed Ali Alshehri
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Muhammad Saeed Jan
- Department of Pharmacy, Bacha Khan University, Charsadda, Khyber Pakhtunkhwa, Pakistan
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Almasoudi HH, Saeed Jan M, Nahari MH, Alhazmi AYM, Binshaya AS, Abdulaziz O, Mahnashi MH, Ibrar M, Zafar R, Sadiq A. Phenolic phytochemistry, in vitro, in silico, in vivo, and mechanistic anti-inflammatory and antioxidant evaluations of Habenaria digitata. Front Pharmacol 2024; 15:1346526. [PMID: 38487169 PMCID: PMC10937556 DOI: 10.3389/fphar.2024.1346526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/12/2024] [Indexed: 03/17/2024] Open
Abstract
Excessive and imbalance of free radicals within the body lead to inflammation. The objective of the current research work was to explore the anti-inflammatory and antioxidant potential of the isolated compounds from Habenaria digitata. In this study, the isolated phenolic compounds were investigated for in vitro and in vivo anti-inflammatory potential along with the antioxidant enzyme. The anti-inflammatory and antioxidant potential of the phenolic compounds was assayed via various enzymes like COX-1/2, 5-LOX and ABTS, DPPH, and H2O2 free radical enzyme inhibitory assay. These compounds were also explored for their in vivo antioxidant activity like examining SOD, CAT, GSH-Px, and MDA levels in the brain, heart, and liver. The anti-inflammatory potential was evaluated using the carrageenan-induced pleurisy model in mice. On the basis of initial screening of isolated compounds, the most potent compound was further evaluated for the anti-inflammatory mechanism. Furthermore, the molecular docking study was also performed for the potent compound. The phenolic compounds were isolated and identified by GC-MS/NMR analysis by comparing its spectra to the library spectra. The isolated phenolic compounds from H. digitata were 5-methylpyrimidine-24,4-diol (1), 3,5-dihydroxy-6-methyl-2,3-dihydropyran-4-one (2), 2-isopropyl-5-methylphenol (3), 3-methoxy-4-vinylphenol (4), and 2,6-dimethoxy-4-vinylphenol (5). In in vitro antioxidant assay, the most potent compound was compound 1 having IC50 values of 0.98, 0.90, and 5 μg/mL against ABTS, DPPH, and H2O2, respectively. Similarly, against COX1/2 and 5-LOX ,compound 1 was again the potent compound with IC50 values of 42.76, 10.70, and 7.40 μg/mL. Based on the in vitro results, compound 1 was further evaluated for in vivo antioxidant and anti-inflammatory potential. Findings of the study suggest that H. digitata contains active compounds with potential anti-inflammatory and antioxidant effects. These compounds could be screened as drug candidates for pharmaceutical research, targeting conditions associated with oxidative stress and inflammatory conditions in medicinal chemistry and support their ethnomedicinal use for inflammation and oxidative stress.
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Affiliation(s)
- Hassan Hussain Almasoudi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | | | - Mohammed H. Nahari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | | | - Abdulkarim S. Binshaya
- Department of Medical Laboratory Sciecnes, College of Applied Medical sciences, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Osama Abdulaziz
- Clinical Laboratory Sciences Department, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
| | - Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, Pharmacy School, Najran University, Najran, Saudi Arabia
| | - Muhammad Ibrar
- Department of Pharmacy, Bacha Khan University, Charsadda, Pakistan
| | - Rehman Zafar
- Department of Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Khyber Pakhtunkhwa, Pakistan
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Mahnashi MH, Rashid U, Almasoudi HH, Nahari MH, Ahmad I, Binshaya AS, Abdulaziz O, Alsuwat MA, Jan MS, Sadiq A. Modification of 4-(4-chlorothiophen-2-yl)thiazol-2-amine derivatives for the treatment of analgesia and inflammation: synthesis and in vitro, in vivo, and in silico studies. Front Pharmacol 2024; 15:1366695. [PMID: 38487174 PMCID: PMC10937574 DOI: 10.3389/fphar.2024.1366695] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Accepted: 02/16/2024] [Indexed: 03/17/2024] Open
Abstract
Inflammation is a protective response to a variety of infectious agents. To develop a new anti-inflammatory drug, we explored a pharmacologically important thiazole scaffold in this study. In a multi-step synthetic approach, we synthesized seven new thiazole derivatives (5a-5g). Initially, we examined the in vitro anti-inflammatory potentials of our compounds using COX-1, COX-2, and 5-LOX enzyme assays. After in vitro confirmation, the potential compounds were subjected to in vivo analgesic and anti-inflammatory studies. The hot plate method was used for analgesia, and carrageenan-induced inflammation was also assayed. Overall, all our compounds proved to be potent inhibitors of COX-2 compared to celecoxib (IC50 0.05 μM), exhibiting IC50 values in the range of 0.76-9.01 μM .Compounds 5b, 5d, and 5e were dominant and selective COX-2 inhibitors with the lowest IC50 values and selectivity index (SI) values of 42, 112, and 124, respectively. Similarly, in the COX-1 assay, our compounds were relatively less potent but still encouraging. Standard aspirin exhibited an IC50 value of 15.32 μM. In the 5-LOX results, once again, compounds 5d and 5e were dominant with IC50 values of 23.08 and 38.46 μM, respectively. Standard zileuton exhibited an IC50 value of 11.00 μM. Based on the COX/LOX and SI potencies, the compounds 5d and 5e were subjected to in vivo analgesic and anti-inflammatory studies. Compounds 5d and 5e at concentrations of 5, 10, and 20 mg/kg body weight were significant in animal models. Furthermore, we explored the potential role of compounds 5d and 5e in various phlogistic agents. Similarly, both compounds 5d and 5e were also significantly potent in the anti-nociceptive assay. The molecular docking interactions of these two compounds with the target proteins of COX and LOX further strengthened their potential for use in COX/LOX pathway inhibitions.
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Affiliation(s)
- Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, Pharmacy School, Najran University, Najran, Saudi Arabia
| | - Umer Rashid
- Department of Chemistry, COMSATS University Islamabad, Abbottabad, Pakistan
| | - Hassan Hussain Almasoudi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Mohammed H. Nahari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Imran Ahmad
- Faculty of Pharmacy, Bahauddin Zakaria University, Multan, Pakistan
| | - Abdulkarim S. Binshaya
- Department of Medical Laboratory Sciences, College of Applied medical sciences, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Osama Abdulaziz
- Clinical Laboratory Sciences Department, College of Applied Medical Sciences, Taif University, Al-Taif, Saudi Arabia
| | - Meshari A. Alsuwat
- Clinical Laboratory Sciences Department, College of Applied Medical Sciences, Taif University, Al-Taif, Saudi Arabia
| | | | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, Pakistan
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