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Zarudin NH, Normaya E, Shamsuri SS, Iqbal A, Mat Piah MB, Abdullah Z, Hamzah AS, Ahmad MN. Development of chemometric-assisted supercritical fluid extraction of effective and natural tyrosinase inhibitor from Syzygium aqueum leaves. Int J Biol Macromol 2024; 258:129168. [PMID: 38171432 DOI: 10.1016/j.ijbiomac.2023.129168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 12/29/2023] [Accepted: 12/29/2023] [Indexed: 01/05/2024]
Abstract
Tyrosinase is a key enzyme in enzymatic browning, causing quality losses in food through the oxidation process. Thus, the discovery of an effective and natural tyrosinase inhibitor via green technology is of great interest to the global food market due to food security and climate change issues. In this study, Syzygium aqueum (S. aqueum) leaves, which are known to be rich in phenolic compounds (PC), were chosen as a natural source of tyrosinase inhibitor, and the effect of the sustainable, supercritical fluid extraction (SFE) process was evaluated. Response surface methodology-assisted supercritical fluid extraction (RSM-assisted SFE) was utilized to optimize the PCs extracted from S. aqueum. The highest amount of PC was obtained at the optimum conditions (55 °C, 3350 psi, and 70 min). The IC50 (661.815 μg/mL) of the optimized extract was evaluated, and its antioxidant activity (96.8 %) was determined. Gas chromatography-mass spectrometry (GC-MS) results reveal that 2',6'-dihydroxy-4'-methoxychalcone (2,6-D4MC) (82.65 %) was the major PC in S. aqueum. Chemometric analysis indicated that 2,6-D4MC has similar chemical properties to the tyrosinase inhibitor control (kaempferol). The toxicity and physiochemical properties of the novel 2,6-D4MC from S. aqueum revealed that the 2,6-D4MC is safer than kaempferol as predicted via absorption, distribution, metabolism, and excretion (ADME) evaluation. Enzyme kinetic analysis shows that the type of inhibition of the optimized extract is non-competitive inhibition with Km = 1.55 mM and Vmax = 0.017 μM/s. High-performance liquid chromatography (HPLC) analysis shows the effectiveness of S. aqueum as a tyrosinase inhibitor. The mechanistic insight of the tyrosinase inhibition using 2,6-D4MC was successfully calculated using density functional theory (DFT) and molecular docking approaches. The findings could have a significant impact on food security development by devising a sustainable and effective tyrosinase inhibitor from waste by-products that is aligned with the United Nation's SDG 2, zero hunger.
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Affiliation(s)
- Nurul Husna Zarudin
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM Kuantan, Pahang, Malaysia
| | - Erna Normaya
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM Kuantan, Pahang, Malaysia; Sustainable Nanotechnology and Computational Modelling (SuNCoM) Research Group, Kulliyyah of Science, IIUM Kuantan, Pahang, Malaysia
| | - Syamimi Sulfiza Shamsuri
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM Kuantan, Pahang, Malaysia
| | - Anwar Iqbal
- School of Chemical Science, Universiti Sains Malaysia, 11800 Penang, Malaysia
| | - Mohd Bijarimi Mat Piah
- Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang, Kuantan, Malaysia
| | - Zanariah Abdullah
- Department of Chemistry, Faculty of Science, Universiti of Malaya (UM), 50603 Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia
| | - Ahmad Sazali Hamzah
- Institute of Science (IOS), Level 3, Block C, Kompleks Inspirasi, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor Darul Ehsan, Malaysia
| | - Mohammad Norazmi Ahmad
- Experimental and Theoretical Research Lab (ETRL), Department of Chemistry, Kulliyyah of Science, IIUM Kuantan, Pahang, Malaysia; Sustainable Nanotechnology and Computational Modelling (SuNCoM) Research Group, Kulliyyah of Science, IIUM Kuantan, Pahang, Malaysia.
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Hamdan N, Khodir WKWA, Hamid SA, Nasir MHM, Hamzah AS, Cruz-Maya I, Guarino V. PCL/Gelatin/Graphene Oxide Electrospun Nanofibers: Effect of Surface Functionalization on In Vitro and Antibacterial Response. Nanomaterials (Basel) 2023; 13:488. [PMID: 36770449 PMCID: PMC9921190 DOI: 10.3390/nano13030488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/09/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
The emergence of resistance to pathogenic bacteria has resulted from the misuse of antibiotics used in wound treatment. Therefore, nanomaterial-based agents can be used to overcome these limitations. In this study, polycaprolactone (PCL)/gelatin/graphene oxide electrospun nanofibers (PGO) are functionalized via plasma treatment with the monomeric groups diallylamine (PGO-M1), acrylic acid (PGO-M2), and tert-butyl acrylate (PGO-M3) to enhance the action against bacteria cells. The surface functionalization influences the morphology, surface wettability, mechanical properties, and thermal stability of PGO nanofibers. PGO-M1 and PGO-M2 exhibit good antibacterial activity against Staphylococcus aureus and Escherichia coli, whereas PGO-M3 tends to reduce their antibacterial properties compared to PGO nanofibers. The highest proportion of dead bacteria cells is found on the surface of hydrophilic PGO-M1, whereas live cells are colonized on the surface of hydrophobic PGO-M3. Likewise, PGO-M1 shows a good interaction with L929, which is confirmed by the high levels of adhesion and proliferation with respect to the control. All the results confirm that surface functionalization can be strategically used as a tool to engineer PGO nanofibers with controlled antibacterial properties for the fabrication of highly versatile devices suitable for different applications (e.g., health, environmental pollution).
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Affiliation(s)
- Nazirah Hamdan
- Department of Chemistry, Kulliyyah of Science, International Islamic University Malaysia Kuantan Campus, Bandar Indera Mahkota, Kuantan 25200, Pahang, Malaysia
| | - Wan Khartini Wan Abdul Khodir
- Department of Chemistry, Kulliyyah of Science, International Islamic University Malaysia Kuantan Campus, Bandar Indera Mahkota, Kuantan 25200, Pahang, Malaysia
- SYNTOF, Kulliyyah of Science, International Islamic University Malaysia Kuantan Campus, Bandar Indera Mahkota, Kuantan 25200, Pahang, Malaysia
| | - Shafida Abd Hamid
- Department of Chemistry, Kulliyyah of Science, International Islamic University Malaysia Kuantan Campus, Bandar Indera Mahkota, Kuantan 25200, Pahang, Malaysia
- SYNTOF, Kulliyyah of Science, International Islamic University Malaysia Kuantan Campus, Bandar Indera Mahkota, Kuantan 25200, Pahang, Malaysia
| | - Mohd Hamzah Mohd Nasir
- Department of Biotechnology, Kulliyyah of Science, International Islamic University Malaysia Kuantan Campus, Bandar Indera Mahkota, Kuantan 25200, Pahang, Malaysia
| | - Ahmad Sazali Hamzah
- Institute of Science, Universiti Teknologi MARA, Shah Alam 40450, Selangor, Malaysia
| | - Iriczalli Cruz-Maya
- Institute of Polymers, Composites and Biomaterials, National Research Council of Italy, Mostra d’Oltremare Pad.20, V.le J.F.Kennedy 54, 80125 Naples, Italy
| | - Vincenzo Guarino
- Institute of Polymers, Composites and Biomaterials, National Research Council of Italy, Mostra d’Oltremare Pad.20, V.le J.F.Kennedy 54, 80125 Naples, Italy
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Md Idris MH, Mohd Amin SN, Mohd Amin SN, Nyokat N, Khong HY, Selvaraj M, Zakaria ZA, Shaameri Z, Hamzah AS, Teh LK, Salleh MZ. Flavonoids as dual inhibitors of cyclooxygenase-2 (COX-2) and 5-lipoxygenase (5-LOX): molecular docking and in vitro studies. Beni-Suef Univ J Basic Appl Sci 2022. [DOI: 10.1186/s43088-022-00296-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Inflammation is known to involve in many pathological processes of different diseases, but the current therapy causes adverse effects. Thus, there is a great interest for the discovery of flavonoids as a valuable alternative to classical analgesic and anti-inflammatory agent with dual-inhibitory action, especially on both COX-2 and 5-LOX which can minimize or overcome this problem.
Results
In the present work, drug-likeness properties of the synthesized flavonoids via Lipinski’s Rule of Five were predicted using QikProp prior to evaluation of their COX and LOX inhibitory activities using enzyme assays. Subsequently, molecular docking was performed using GLIDE to analyse their binding behaviour. The results showed that all compounds obeyed the Lipinski’s Rule of Five. NPC6 and NPC7 had displayed better selectivity towards COX-2 as compared to Indomethacin with less than 50% inhibition against COX-1. In addition, these compounds also inhibited activity of 5-LOX. Their selectivity to COX-2 was due to the binding to hydrophobic region and extends to lobby region near the entrance of COX binding site forming hydrogen bond with Ser530. Interestingly, these compounds showed a similar binding mode as Zileuton in the active site of 5-LOX and formed hydrogen bond interaction with Ala424.
Conclusion
NPC6 and NPC7 had potential as dual inhibitor of COX-2 and 5-LOX. The scaffolds of these chemical entities are useful to be as lead compounds for the dual inhibition of COX-2 and 5-LOX.
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Ridzwan MH, Yaakob MK, Zabidi ZM, Hamzah AS, Shaameri Z, Rashid FNAA, Kassim K, Mohammat MF, Pungot NH, Hamali MAM, Sauri ASM, Jaafar Azuddin F, Majanun ES, Sazali YA, Zuhaili Kashim M. Computational insight into the quantum chemistry, interaction and adsorption energy of aminopolycarboxylic acid chelating agents towards metal cations. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2021.113579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Sazali Hamzah A, Fazli Mohammat M, Wibowo A, Shaameri Z, Nur Ain Abdul Rashid F, Hidayah Pungot N. Five-Membered Nitrogen Heterocycles as New Lead Compounds in Drug Discovery. HETEROCYCLES 2022. [DOI: 10.3987/rev-22-sr(r)7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Rashid FNAA, Mohammat MF, Mansor NS, Shaameri Z, Hamzah AS. Concise strategy for diastereoselective annulation to afford fused [5:7] oxazepanone γ-lactams. ARKIVOC 2021. [DOI: 10.24820/ark.5550190.p011.618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Md Idris MH, Mohd Amin SN, Mohd Amin SN, Wibowo A, Zakaria ZA, Shaameri Z, Hamzah AS, Selvaraj M, Teh LK, Salleh MZ. Discovery of polymethoxyflavones as potential cyclooxygenase-2 (COX-2), 5-lipoxygenase (5-LOX) and phosphodiesterase 4B (PDE4B) inhibitors. J Recept Signal Transduct Res 2021; 42:325-337. [PMID: 34323638 DOI: 10.1080/10799893.2021.1951756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Non-steroidal anti-inflammatory drugs (NSAIDs) are widely prescribed to treat inflammatory-related diseases, pain and fever. However, the prolong use of traditional NSAIDs leads to undesirable side effects such as gastric, ulceration, and renal toxicity due to lack of selectivity toward respective targets for COX-2, 5-LOX, and PDE4B. Thus, targeting multiple sites can reduce these adverse effects of the drugs and increase its potency. A series of methoxyflavones (F1-F5) were synthesized and investigated for their anti-inflammatory properties through molecular docking and inhibition assays. Among these flavones, only F2 exhibited selectivity toward COX-2 (Selectivity Index, SI: 3.90, COX-2 inhibition: 98.96 ± 1.47%) in comparison with celecoxib (SI: 7.54, COX-2 inhibition: 98.20 ± 2.55%). For PDEs, F3 possessed better selectivity to PDE4B (SI: 4.67) than rolipram (SI: 0.78). F5 had the best 5-LOX inhibitory activity among the flavones (33.65 ± 4.74%) but less than zileuton (90.81 ± 0.19%). Docking analysis indicated that the position of methoxy group and the substitution of halogen play role in determining the bioactivities of flavones. Interestingly, F1-F5 displayed favorable pharmacokinetic profiles and acceptable range of toxicity (IC50>70 µM) in cell lines with the exception for F1 (IC50: 16.02 ± 1.165 µM). This study generated valuable insight in designing new anti-inflammatory drug based on flavone scaffold. The newly synthesized flavones can be further developed as future therapeutic agents against inflammation.
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Affiliation(s)
- Muhd Hanis Md Idris
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Selangor Branch, Puncak Alam Campus, Selangor, Malaysia
| | - Siti Norhidayah Mohd Amin
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Selangor Branch, Puncak Alam Campus, Selangor, Malaysia
| | - Siti Norhidayu Mohd Amin
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Selangor Branch, Puncak Alam Campus, Selangor, Malaysia
| | - Agustono Wibowo
- Faculty of Applied Science, Universiti Teknologi MARA (UiTM) Pahang Branch, Jengka Campus, Pahang, Malaysia
| | - Zainul Amiruddin Zakaria
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang, Malaysia
| | - Zurina Shaameri
- Organic Synthesis Laboratory, Institute of Science (IOS), Universiti Teknologi MARA (UiTM) Selangor Branch, Puncak Alam Campus, Selangor, Malaysia
| | - Ahmad Sazali Hamzah
- Organic Synthesis Laboratory, Institute of Science (IOS), Universiti Teknologi MARA (UiTM) Selangor Branch, Puncak Alam Campus, Selangor, Malaysia
| | - Manikandan Selvaraj
- School of Engineering, Monash University (Malaysia Campus), Bandar Sunway, Malaysia
| | - Lay Kek Teh
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Selangor Branch, Puncak Alam Campus, Selangor, Malaysia
| | - Mohd Zaki Salleh
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Selangor Branch, Puncak Alam Campus, Selangor, Malaysia
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Sim SK, Lau BL, Zaila SR, Hazira N, Aniqah NM, Panicker J, Hamzah AS. Psychological symptoms among healthcare workers handling COVID-19 patients. Med J Malaysia 2021; 76:138-144. [PMID: 33742619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
INTRODUCTION Healthcare workers serve as the frontliners against the coronavirus 2019 disease (COVID-19) and this puts them most at risk of infection as they attend to numerous patients with unknown status. This study aimed to examine stress, anxiety, and depression among healthcare workers caring for COVID-19 patients in Sarawak General Hospital (SGH), Malaysia. MATERIALS AND METHODS This cross-sectional observational study conducted in SGH during the pandemic with an online self-administered questionnaire composed of two parts, the socio-demographic characteristics, and the Depression Anxiety Stress Scale (DASS). RESULTS A total of 105 healthcare workers responded to this study. A questionnaire in both Bahasa Melayu and English was used. The findings showed that all healthcare workers had mild anxiety, with the majority experiencing mild stress (57.1%), and almost half of the respondents experiencing mild depression (41%). Female subjects had a significant higher mean score in anxiety level and stress level compared to male subjects (10.0±3.20 vs. 8.6±2.93, p<0.05; 14.1±4.76 vs. 10.7±3.70, p<0.05, respectively). Staff who were transferred from other units to handle COVID-19 cases experienced more psychological symptoms. There were significant correlations between the depression, anxiety and stress levels among the healthcare workers and the number of children they had (r=0.739, p=0.001; r=0.642, p=0.001; r=1, p =0.001 respectively). However, the stress level among the healthcare workers was reversely correlated with their years of working experience (r=-0.199, p=0.042). CONCLUSION This study identified some socio-demographic factors associated with increased levels of stress, anxiety and depression among the healthcare workers during pandemic, which may lay ground for future interventions.
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Affiliation(s)
- S K Sim
- Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Kota Samarahan, Sarawak, Malaysia.
| | - B L Lau
- Sarawak General Hospital, Department of Neurosurgery, Kuching, Sarawak, Malaysia
| | - S R Zaila
- Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Kota Samarahan, Sarawak, Malaysia
| | - N Hazira
- Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Kota Samarahan, Sarawak, Malaysia
| | - N M Aniqah
- Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Kota Samarahan, Sarawak, Malaysia
| | - J Panicker
- Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Kota Samarahan, Sarawak, Malaysia
| | - A S Hamzah
- Universiti Malaysia Sarawak, Faculty of Medicine and Health Sciences, Kota Samarahan, Sarawak, Malaysia
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Sardar S, Jabeen E, Wilfred CD, Hamzah AS, Leveque JM. Mechanistic studies on counter-ionic effects of camphorsulfonate-based ionic liquids on kinetics, thermodynamics and stereoselectivity of β-amino carbonyl compounds. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Rashid FNAA, Mohammat MF, Arshad S, Shaameri Z, Hamzah AS. Crystal structure of ethyl 3-(4-methoxyphenyl)-5-methylcarbamoyl-1H-pyrazole-4-carboxylate, C15H17N3O4. Z KRIST-NEW CRYST ST 2019. [DOI: 10.1515/ncrs-2019-0203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractC15H17N3O4, triclinic, P1̄ (no. 2), a = 10.5986(5) Å, b = 11.5298(5) Å, c = 13.5386(6) Å, α = 102.694(1)°, β = 102.999(1)°, γ = 108.918(1)°, V = 1446.03(11) Å3, Z = 4, Rgt(F) = 0.0525, wRref(F2) = 0.1526, T = 100(1) K.
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Affiliation(s)
- Fatin Nur Ain Abdul Rashid
- Department of Chemistry, Faculty of Applied Sciences, Universiti Teknologi MARA, Shah Alam, Selangor 40450, Malaysia
| | - Mohd Fazli Mohammat
- Organic Synthesis Research Laboratory, Institute of Science (I.O.S), Universiti Teknologi MARA, Bandar Puncak Alam, Selangor 42300, Malaysia
| | - Suhana Arshad
- X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, Bandar Puncak Alam, Penang 11800, Malaysia
| | - Zurina Shaameri
- Organic Synthesis Research Laboratory, Institute of Science (I.O.S), Universiti Teknologi MARA, Bandar Puncak Alam, Selangor 42300, Malaysia
| | - Ahmad Sazali Hamzah
- Organic Synthesis Research Laboratory, Institute of Science (I.O.S), Universiti Teknologi MARA, Bandar Puncak Alam, Selangor 42300, Malaysia
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Sagineedu SR, Kong KL, Phang SY, Toh BL, Chu VS, Hamzah AS, Stanslas J. Quantitative analysis of andrographolide, a biomarker of Andrographis paniculata, using qNMR spectroscopy. Front Pharmacol 2019. [DOI: 10.3389/conf.fphar.2019.63.00009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Sagineedu SR, Kong KL, Phang SY, Toh BL, Chu VS, Hamzah AS, Stanslas J. Quantitative analysis of andrographolide, a biomarker of Andrographis paniculata, using qNMR spectroscopy. Front Pharmacol 2019. [DOI: 10.3389/conf.fphar.2019.63.00005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Mai CW, Kang YB, Hamzah AS, Pichika MR. Comparative efficacy of vanilloids in inhibiting toll-like receptor-4 (TLR-4)/myeloid differentiation factor (MD-2) homodimerisation. Food Funct 2018; 9:3344-3350. [PMID: 29808897 DOI: 10.1039/c8fo00136g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Vanilloid (4-hydroxy-3-methoxyphenyl benzenoid) containing foods are reported to possess many biological activities including anti-inflammatory properties. Homodimerisation of the Toll-like receptor-4 (TLR-4)/Myeloid differentiation factor 2 (MD-2) complex results in life-threatening complications in inflammatory disorders. In this study, we report activity of vanilloids in inhibition of TLR-4/MD-2 homodimersization and their molecular interactions with the receptor. The inhibitory activities of vanilloids were assessed in vitro by determining their antagonistic actions of lipopolysaccharide from Escherichia coli (LPSEc) in activation of TLR-4/MD-2 homodimerisation in TLR-4/MD-2/CD-14 transfected HEK-293 cells. The in vitro anti-inflammatory activity of vanilloids was also determined using RAW 264.7 cells. All the vanilloids were found to be active in the inhibition of TLR-4/MD-2 homodimersiation and nitric oxide production in RAW 264.7 cells. Rigid and flexible molecular docking studies were performed to gain insight into interactions between vanilloids and the binding site of the TLR-4/MD-2 complex.
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Affiliation(s)
- Chun-Wai Mai
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University (IMU), Bukit Jalil, 57000, Kuala Lumpur, Malaysia.
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Mai CW, Kang YB, Nadarajah VD, Hamzah AS, Pichika MR. Drug-like dietary vanilloids induce anticancer activity through proliferation inhibition and regulation of bcl-related apoptotic proteins. Phytother Res 2018; 32:1108-1118. [PMID: 29464796 DOI: 10.1002/ptr.6051] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 01/09/2018] [Accepted: 01/11/2018] [Indexed: 02/05/2023]
Abstract
In this study, a series of 20 structurally similar vanilloids (Vn) were tested for their antiproliferative effects against 12 human cancer cells: human breast (MCF-7 and MDA-MB-231), cervical (HeLa), ovarian (Caov-3), lung (A549), liver (HepG2), colorectal (HT-29 and HCT116), nasopharyngeal (CNE-1 and HK-1), and leukemic (K562 and CEM-SS) cancer cells. Among all the tested vanilloids, Vn16 (6-shogaol) exhibited the most potent cytotoxic effects against human colorectal cancer cells (HT-29). The apoptotic induction effects exhibited by Vn16 on HT-29 cells were confirmed using dual staining fluorescence microscopy and enzyme-linked immunosorbent assay. The effects of Vn16 on regulation of 43 apoptotic-related markers were determined in HT-29. The results suggested that 8 apoptotic markers (caspase 8, BAD, BAX, second mitochondrial-derived activator, caspase 3, survivin, bcl-2, and cIAP-2) were either upregulated or downregulated. These results further support the chemopreventive properties of foods that contain vanilloids.
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Affiliation(s)
- Chun-Wai Mai
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Yew-Beng Kang
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | - Vishna Devi Nadarajah
- Department of Human Biology, School of Medicine, International Medical University, Kuala Lumpur, Malaysia
| | - Ahmad Sazali Hamzah
- Institute of Science, Universiti Teknologi MARA, Shah Alam, Selangor, Malaysia
| | - Mallikarjuna Rao Pichika
- Department of Pharmaceutical Chemistry, School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
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Shaameri Z, Azib NA, Mohamat MF, Hamzah AS. Synthesis of 3,4-Fused γ-Lactone-γ-Lactam Bicyclic Moieties as Multifunctional Synthons for Bioactive Molecules. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zurina Shaameri
- Organic Synthesis Laboratory, Institute of Science; Universiti Teknologi MARA; 40450 Shah Alam Selangor Malaysia
| | - Nur Aini Azib
- Organic Synthesis Laboratory, Institute of Science; Universiti Teknologi MARA; 40450 Shah Alam Selangor Malaysia
| | - Mohd Fazli Mohamat
- Organic Synthesis Laboratory, Institute of Science; Universiti Teknologi MARA; 40450 Shah Alam Selangor Malaysia
| | - Ahmad Sazali Hamzah
- Organic Synthesis Laboratory, Institute of Science; Universiti Teknologi MARA; 40450 Shah Alam Selangor Malaysia
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Mohammat MF, Mansor NS, Shaameri Z, Hamzah AS. Diastereoselective Reduction of 2,3-Dioxo-4-carboxy-5-substituted Pyrrolidines Using NaBH 4/AcOH and Heterogenous Hydrogenation Reactions. Journal of the Korean Chemical Society 2015. [DOI: 10.5012/jkcs.2015.59.1.31] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Zafar Q, Ahmad Z, Sulaiman K, Hamzah AS, Rahman ZA. A MEHPPV/VOPcPhO composite based diode as a photodetector. Sensors and Actuators A: Physical 2014; 206:138-143. [DOI: 10.1016/j.sna.2013.12.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Zakaria ZA, Sani MH, Mohammat MF, Mansor NS, Shaameri Z, Kek TL, Salleh MZ, Hamzah AS. Antinociceptive activity of a synthetic oxopyrrolidine-based compound, ASH21374, and determination of its possible mechanisms. Can J Physiol Pharmacol 2013; 91:1143-53. [PMID: 24289087 DOI: 10.1139/cjpp-2013-0099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This study was carried out to determine the antinociceptive activity of a novel synthetic oxopyrrolidine-based compound, (2R,3R,4S)-ethyl 4-hydroxy-1,2-dimethyl-5-oxopyrrolidine-3-carboxylate (ASH21374), and to elucidate the involvement of the opioid, vanilloid, glutamate, and nitric oxide - cyclic guanosine monophosphate (NO/cGMP) systems in modulating the observed antinociception. ASH21374, in the doses of 2, 10, and 100 mg/kg body mass, was administered orally to mice 60 mins prior to exposure to various antinociceptive assays. From the results obtained, ASH21374 exhibited significant (P < 0.05) antinociceptive activity in the abdominal constriction, hot-plate, and formalin tests that was comparable with 100 mg/kg acetylsalicylic acid or 5 mg/kg morphine, respectively. ASH21374 also attenuated capsaicin- and glutamate-induced paw licking. Pre-treatment with 5 mg/kg naloxone significantly (P < 0.05) inhibited the activity in all assays, while pretreatment with 10 mg/kg β-funaltraxamine, 1 mg/kg naltrindole, or 1 mg/kg nor-binaltorphimine significantly (P < 0.05) reversed the activity in the abdominal constriction test. l-Arginine, N(G)-nitro-l-arginine methyl esters (l-NAME), methylene blue, and their combinations, failed to inhibit the ASH21374 antinociceptive activity. In conclusion, ASH21374 demonstrated antinociceptive activities on the peripheral and central nervous systems, mediated through the activation of opioid receptors, inhibition of the glutamatergic system, and attenuation of vanilloid-mediated nociceptive transmission. Further studies have been planned to determine the pharmacological potential of ASH21374.
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Affiliation(s)
- Zainul Amiruddin Zakaria
- a Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia
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Salleh MZ, Teh LK, Lee LS, Ismet RI, Patowary A, Joshi K, Pasha A, Ahmed AZ, Janor RM, Hamzah AS, Adam A, Yusoff K, Hoh BP, Hatta FHM, Ismail MI, Scaria V, Sivasubbu S. Systematic pharmacogenomics analysis of a Malay whole genome: proof of concept for personalized medicine. PLoS One 2013; 8:e71554. [PMID: 24009664 PMCID: PMC3751891 DOI: 10.1371/journal.pone.0071554] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 07/01/2013] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND With a higher throughput and lower cost in sequencing, second generation sequencing technology has immense potential for translation into clinical practice and in the realization of pharmacogenomics based patient care. The systematic analysis of whole genome sequences to assess patient to patient variability in pharmacokinetics and pharmacodynamics responses towards drugs would be the next step in future medicine in line with the vision of personalizing medicine. METHODS Genomic DNA obtained from a 55 years old, self-declared healthy, anonymous male of Malay descent was sequenced. The subject's mother died of lung cancer and the father had a history of schizophrenia and deceased at the age of 65 years old. A systematic, intuitive computational workflow/pipeline integrating custom algorithm in tandem with large datasets of variant annotations and gene functions for genetic variations with pharmacogenomics impact was developed. A comprehensive pathway map of drug transport, metabolism and action was used as a template to map non-synonymous variations with potential functional consequences. PRINCIPAL FINDINGS Over 3 million known variations and 100,898 novel variations in the Malay genome were identified. Further in-depth pharmacogenetics analysis revealed a total of 607 unique variants in 563 proteins, with the eventual identification of 4 drug transport genes, 2 drug metabolizing enzyme genes and 33 target genes harboring deleterious SNVs involved in pharmacological pathways, which could have a potential role in clinical settings. CONCLUSIONS The current study successfully unravels the potential of personal genome sequencing in understanding the functionally relevant variations with potential influence on drug transport, metabolism and differential therapeutic outcomes. These will be essential for realizing personalized medicine through the use of comprehensive computational pipeline for systematic data mining and analysis.
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Affiliation(s)
- Mohd Zaki Salleh
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
| | - Lay Kek Teh
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
| | - Lian Shien Lee
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
| | - Rose Iszati Ismet
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
| | - Ashok Patowary
- GN Ramachandran Knowledge Center for Genome Informatics, CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Delhi, India
| | - Kandarp Joshi
- Genomics and Molecular Medicine, CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Delhi, India
| | - Ayesha Pasha
- Genomics and Molecular Medicine, CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Delhi, India
| | - Azni Zain Ahmed
- Institute of Science, Universiti Teknologi MARA (UiTM) Malaysia, Shah Alam, Selangor, Malaysia
| | - Roziah Mohd Janor
- Faculty of Computer and Mathematical Science, Universiti Teknologi MARA (UiTM) Malaysia, Shah Alam, Selangor, Malaysia
| | - Ahmad Sazali Hamzah
- Institute of Science, Universiti Teknologi MARA (UiTM) Malaysia, Shah Alam, Selangor, Malaysia
| | - Aishah Adam
- Faculty of Pharmacy, Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
| | - Khalid Yusoff
- Faculty of Medicine, Universiti Teknologi MARA (UiTM) Malaysia, Sg Buloh, Selangor, Malaysia
| | - Boon Peng Hoh
- Insitute of Medical Molecular Biotechnology (IMMB), Faculty of Medicine, Universiti Teknologi MARA (UiTM) Malaysia, Sg Buloh, Selangor, Malaysia
| | | | - Mohamad Izwan Ismail
- Integrative Pharmacogenomics Institute (iPROMISE), Universiti Teknologi MARA (UiTM) Malaysia, Puncak Alam, Selangor, Malaysia
| | - Vinod Scaria
- GN Ramachandran Knowledge Center for Genome Informatics, CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Delhi, India
| | - Sridhar Sivasubbu
- Genomics and Molecular Medicine, CSIR Institute of Genomics and Integrative Biology (CSIR-IGIB), Delhi, India
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Affiliation(s)
- Zurina Shaameri
- Organic Synthesis Laboratory; Institute of Science,Universiti Teknologi MARA; 40450 Shah Alam, Selangor; Malaysia
| | - Sharifah Hidayah Sharif Ali
- Organic Synthesis Laboratory; Institute of Science,Universiti Teknologi MARA; 40450 Shah Alam, Selangor; Malaysia
| | - Mohd Fazli Mohamat
- Organic Synthesis Laboratory; Institute of Science,Universiti Teknologi MARA; 40450 Shah Alam, Selangor; Malaysia
| | - Bohari M. Yamin
- School of Chemical Sciences & Food Technology, Faculty of Science and Technology; Universiti Kebangsaan Malaysia; 43600 Bangi, Selangor; Malaysia
| | - Ahmad Sazali Hamzah
- Organic Synthesis Laboratory; Institute of Science,Universiti Teknologi MARA; 40450 Shah Alam, Selangor; Malaysia
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21
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Mohammat MF, Najim N, Mansor NS, Sarman S, Shaameri Z, Zain MM, Hamzah AS. Synthesis and bioactivity of some 2-oxo-5-aryl-3-hydrazone and 2-oxo-5-aryl-4-hydrazone pyrrolidine derivatives. ARKIVOC 2011. [DOI: 10.3998/ark.5550190.0012.932] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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22
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Wibowo A, Ahmat N, Hamzah AS, Sufian AS, Ismail NH, Ahmad R, Jaafar FM, Takayama H. Malaysianol A, a new trimer resveratrol oligomer from the stem bark of Dryobalanops aromatica. Fitoterapia 2011; 82:676-81. [PMID: 21338657 DOI: 10.1016/j.fitote.2011.02.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2010] [Revised: 02/09/2011] [Accepted: 02/12/2011] [Indexed: 10/18/2022]
Abstract
A new resveratrol trimer, malaysianol A (1), five known resveratrol oligomers: laevifonol (2), ampelopsin E (3), α-viniferin (4), ε-viniferin (5), diptoindonesin A (6), and bergenin (7) have been isolated from the acetone extract of the stem bark of Dryobalanops aromatica by combination of vacuum and radial chromatography techniques. Their structures were established on the basis of their spectroscopic evidence and comparison with the published data. The cytotoxic activity of the compounds was tested against several cell lines in which compound 4 was found to inhibit strongly the growth of HL-60 cell line.
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Affiliation(s)
- A Wibowo
- Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor Darul Ehsan, Malaysia
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Najim N, Bathich Y, Zain MM, Hamzah AS, Shaameri Z. Evaluation of the bioactivity of novel spiroisoxazoline typecompounds against normal and cancer cell lines. Molecules 2010; 15:9340-53. [PMID: 21169884 PMCID: PMC6259157 DOI: 10.3390/molecules15129340] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Revised: 11/03/2010] [Accepted: 12/02/2010] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to investigate the in vitro cellular activity of novel spiroisoxazoline type compounds against normal and cancer cell lines from lung tissue (Hs888Lu), neuron-phenotypic cells (SH-SY5Y), neuroblastoma (SH-SY5Y), human histiocytic lymphoma (U937), lung cancer (A549), and leukaemia (HL-60). Our bioassay program revealed that the spiroisoxazoline type compounds show cytotoxicity only in lymphoma cell lines, which is in contrast with the pyrrolidine precursor of these spiroisoxazoline compounds, where significant cytotoxicity is seen in all normal and cancer cell lines. These data suggest a tumour-specific mechanism of action. In addition these data also show that spiroisoxazoline compounds are non-toxic in the human neuronphenotypic neuroblastoma SH-SY5Y cell line, and furthermore that they might protect cells from neurodegenerative disease.
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Affiliation(s)
- Nigar Najim
- Tissue Culture Research Laboratory, Centre of Synthesis and Chemical Biology, Institute of Science, University Technology MARA, 40450 Shah Alam, Malaysia; E-Mail: (M.M.Z.)
| | - Yaser Bathich
- Organic Synthesis Research Laboratory, Centre of Synthesis and Chemical Biology, Institute of Science, University Technology MARA, 40450 Shah Alam, Malaysia; E-Mails: (Y.B.); (A.S.H.); (Z.S.)
| | - Mazatulikhma Mat Zain
- Tissue Culture Research Laboratory, Centre of Synthesis and Chemical Biology, Institute of Science, University Technology MARA, 40450 Shah Alam, Malaysia; E-Mail: (M.M.Z.)
| | - Ahmad Sazali Hamzah
- Organic Synthesis Research Laboratory, Centre of Synthesis and Chemical Biology, Institute of Science, University Technology MARA, 40450 Shah Alam, Malaysia; E-Mails: (Y.B.); (A.S.H.); (Z.S.)
| | - Zurina Shaameri
- Organic Synthesis Research Laboratory, Centre of Synthesis and Chemical Biology, Institute of Science, University Technology MARA, 40450 Shah Alam, Malaysia; E-Mails: (Y.B.); (A.S.H.); (Z.S.)
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Bathich Y, Shaameri Z, Hamzah AS, Quah CK, Fun HK. 6-Benzyl-3-(1,4-dioxaspiro[4.5]decan-2-yl)-8,8-dimethyl-1-oxa-2,6-diazaspiro[4.4]non-2-ene-7,9-dione. Acta Crystallogr Sect E Struct Rep Online 2009; 65:o2941-2. [PMID: 21578516 PMCID: PMC2971287 DOI: 10.1107/s1600536809044675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2009] [Accepted: 10/27/2009] [Indexed: 11/11/2022]
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25
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Bathich Y, Mohammat MF, Hamzah AS, Goh JH, Fun HK. (5R)-Ethyl 6-benzyl-8,8-dimethyl-7,9-dioxo-1-oxa-2,6-diaza-spiro-[4.4]non-2-ene-3-carboxyl-ate. Acta Crystallogr Sect E Struct Rep Online 2009; 65:o2888-o2889. [PMID: 21578472 PMCID: PMC2971144 DOI: 10.1107/s1600536809042433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2009] [Accepted: 10/15/2009] [Indexed: 05/30/2023]
Abstract
In the title compound, C(18)H(20)N(2)O(5), the pyrrolidine ring adopts an envelope conformation with the C atom bonded to the methyl groups as the flap. The dihydro-isoxazole ring is essentially planar (r.m.s. deviation = 0.041 Å) and forms a dihedral angle of 65.19 (6)° with the phenyl ring. In the crystal, neighbouring mol-ecules are linked into chains along [110] by inter-molecular C-H⋯O hydrogen bonds and weak C-H⋯π inter-actions involving the phenyl ring.
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Affiliation(s)
- Yaser Bathich
- Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Mohd Fazli Mohammat
- Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Ahmad Sazali Hamzah
- Institute of Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Jia Hao Goh
- X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
| | - Hoong-Kun Fun
- X-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
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26
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Nainggolan I, Radiman S, Hamzah AS, Hashim R. The effect of the head group on branched-alkyl chain surfactants in glycolipid/n-octane/water ternary system. Colloids Surf B Biointerfaces 2009; 73:84-91. [DOI: 10.1016/j.colsurfb.2009.05.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2009] [Revised: 04/27/2009] [Accepted: 05/01/2009] [Indexed: 10/20/2022]
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Jada SR, Hamzah AS, Lajis NH, Saad MS, Stevens MF, Stanslas J. Semisynthesis and cytotoxic activities of andrographolide analogues. J Enzyme Inhib Med Chem 2008. [DOI: 10.1080/14756360600866714] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- Srinivasa Rao Jada
- Division of Medical Sciences, National Cancer Centre, Clinical Pharmacology Laboratory, 11 Hospital Drive, 169610, Singapore
| | - Ahmad Sazali Hamzah
- University Technology MARA, Institute of Science, 40450, Shah Alam, Malaysia
| | - Nordin Haji Lajis
- Universiti Putra Malaysia, Institute of Bioscience, 43400, Serdang, Selangor, Malaysia
| | - Mohammad Said Saad
- Universiti Putra Malaysia, Faculty of Agriculture, 43400, Serdang, Selangor, Malaysia
| | - Malcolm F.G. Stevens
- University of Nottingham, Centre for Biomolecular Sciences, School of Pharmacy, NG7 2RD, Nottingham, United Kingdom
| | - Johnson Stanslas
- Universiti Putra Malaysia, Faculty of Medicine and Health Sciences, 43400, Serdang, Selangor, Malaysia
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Jada SR, Hamzah AS, Lajis NH, Saad MS, Stevens MFG, Stanslas J. *Semisynthesis and cytotoxic activities of andrographolide analogues. J Enzyme Inhib Med Chem 2008; 21:145-55. [PMID: 16789428 DOI: 10.1080/14756360500499988] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
Andrographolide 1, a diterpenoid lactone of the plant Andrographis paniculata, known to possess antitumour activity in in vitro and in vivo breast cancer models was subjected to semisynthesis leading to the preparation of a number of novel compounds. These compounds exhibited in vitro antitumour activity with moderate to excellent growth inhibition against MCF-7 (breast) and HCT-116 (colon) cancer cells. Compounds 3,19-(2-chlorobenzylidene)andrographolide(5), 3,19-(3-chlorobenzylidene)andrographolide(6), 3,19-(3-fluorobenzylidene) andrographolide(7), 3,19-(4-fluorobenzylidene)andrographolide(8), 3,19-(2-fluorobenzylidene)andrographolide(10), 3,19-(2-chloro-5-nitrobenzylidene)andrographolide (21), 3,19-(4-chlorobenzylidene)andrographolide(30) and 3,19-(2-chloro-4-fluorobenzylidene) andrographolide(31) were also screened against 60 NCI (National Cancer Institute, USA) human tumour cell lines derived from nine cancer cell types.
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Affiliation(s)
- Srinivasa Rao Jada
- Clinical Pharmacology Laboratory, Division of Medical Sciences, National Cancer Centre, 11 Hospital Drive, 169610, Singapore
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Jada SR, Subur GS, Matthews C, Hamzah AS, Lajis NH, Saad MS, Stevens MFG, Stanslas J. Semisynthesis and in vitro anticancer activities of andrographolide analogues. Phytochemistry 2007; 68:904-12. [PMID: 17234223 DOI: 10.1016/j.phytochem.2006.11.031] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2006] [Revised: 07/09/2006] [Accepted: 11/17/2006] [Indexed: 05/13/2023]
Abstract
The plant Andrographis paniculata found throughout Southeast Asia contains Andrographolide 1, a diterpenoid lactone, which has antitumour activities against in vitro and in vivo breast cancer models. In the present study, we report on the synthesis of andrographolide derivatives, 3,19-isopropylideneandrographolide (2), 14-acetyl-3,19-isopropylideneandrographolide (3) and 14-acetylandrographolide (4), and their in vitro antitumour activities against a 2-cell line panel consisting of MCF-7 (breast cancer cell line) and HCT-116 (colon cancer cell line). Compounds 2 and 4 were also screened at the US National Cancer Institute (NCI) for their activities against a panel of 60 human cancer cell lines derived from nine cancer types. Compound 2 was found to be selective towards leukaemia and colon cancer cells, and compound 4 was selective towards leukaemia, ovarian and renal cancer cells at all the dose-response parameters. Compounds 2 and 4 showed non-specific phase of the cell cycle arrest in MCF-7 cells treated at different intervals with different concentrations. NCI's COMPARE and SOM mechanistic analyses indicated that the anticancer activities of these new class of compounds were not similar to that of standard anticancer agents, suggesting novel mechanism(s) of action.
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Affiliation(s)
- Srinivasa Rao Jada
- Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
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Ahmad R, Shaari K, Lajis NH, Hamzah AS, Ismail NH, Kitajima M. Anthraquinones from Hedyotis capitellata. Phytochemistry 2005; 66:1141-7. [PMID: 15924918 DOI: 10.1016/j.phytochem.2005.02.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2004] [Revised: 01/31/2005] [Accepted: 02/21/2005] [Indexed: 05/02/2023]
Abstract
Four new furanoanthraquinones, 2-hydroxymethyl-3,4-[2'-(1-hydroxy-1-methylethyl)-dihydrofurano]-8-hydroxyanthraquinone, 2-hydroxymethyl-3,4-[1'-hydroxy-2'-(1-hydroxy-1-methylethyl)-dihydrofurano]-8-hydroxyanthraquinone, 2-hydroxymethyl-3,4-[2'-1-hydroxy-1-methylethyl)-dihydrofurano]anthraquinone and 2-methyl-3,4-[2'-(1-hydroxy-1-methylethyl)-dihydrofurano] anthraquinone or capitellataquinone A-D and four known anthraquinones, rubiadin, anthragallol 2-methyl ether, alizarin 1-methyl ether and digiferruginol, together with scopoletin were isolated from the stems of Hedyotis capitellata Wall (Rubiaceae). Lucidin-3-O-beta-glucoside was isolated from the roots of the plant. Characterization of the new compounds was carried out by extensive NMR studies using FGCOSY, FGHMQC, FGHMBC and DEPT-135 in addition to other spectroscopic methods.
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Affiliation(s)
- Rohaya Ahmad
- Faculty of Applied Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
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Saha K, Lajis NH, Israf DA, Hamzah AS, Khozirah S, Khamis S, Syahida A. Evaluation of antioxidant and nitric oxide inhibitory activities of selected Malaysian medicinal plants. J Ethnopharmacol 2004; 92:263-267. [PMID: 15138010 DOI: 10.1016/j.jep.2004.03.007] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2003] [Accepted: 03/03/2004] [Indexed: 05/24/2023]
Abstract
Methanol extracts of seven Malaysian medicinal plants were screened for antioxidant and nitric oxide inhibitory activities. Antioxidant activity was measured by using FTC, TBA and DPPH free radical scavenging methods and Griess assay was used for the measurement of nitric oxide inhibition in lipopolysaccharide (LPS) and interferon-gamma (IFN-gamma)-treated RAW 264.7 cells. All the extracts showed strong antioxidant activity comparable to or higher than that of alpha-tocopherol, BHT and quercetin in FTC and TBA methods. The extracts from Leea indica and Spermacoce articularis showed strong DPPH free radical scavenging activity comparable with quercetin, BHT and Vit C. Spermacoce exilis showed only moderate activity but other species were weak as compared to the standards. In the Griess assay Lasianthus oblongus, Chasalia chartacea, Hedyotis verticillata, Spermacoce articularis and Leea indica showed strong inhibitory activity on nitric oxide production in LPS and IFN-gamma-induced RAW 264.7 cells. Extracts from Psychotria rostrata and Spermacoce exilis also inhibited NO production but this was due to their cytotoxic effects upon cells during culture.
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Affiliation(s)
- K Saha
- Laboratory of Phytomedicines, Institute of Bioscience, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
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32
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Affiliation(s)
- A S Hamzah
- Department of Chemistry, Universiti Pertanian Malaysia, Serdang, Selangor
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