Publications by authors named "Syahida Ahmad"

54Publications

Ethanol Induces Microglial Cell Death via the NOX/ROS/PARP/TRPM2 Signalling Pathway.

Antioxidants (Basel) 2020 Dec 9;9(12). Epub 2020 Dec 9.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia.

View Article and Find Full Text PDF
December 2020

The Toxic Impact of Honey Adulteration: A Review.

Foods 2020 Oct 26;9(11). Epub 2020 Oct 26.

School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013, China.

View Article and Find Full Text PDF
October 2020

Palm Kernel Cake Oligosaccharides Acute Toxicity and Effects on Nitric Oxide Levels Using a Zebrafish Larvae Model.

Front Physiol 2020 24;11:555122. Epub 2020 Sep 24.

Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, Kuala Lumpur, Malaysia.

View Article and Find Full Text PDF
September 2020

Biochemical Constituent of (Seed) 80% Methanol Extract Inhibits Cholinesterase Enzymes in Javanese Medaka () Model.

J Toxicol 2020 23;2020:8815313. Epub 2020 Sep 23.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Seri Kembangan 43400, Selangor, Malaysia.

View Article and Find Full Text PDF
September 2020

In silico studies, nitric oxide, and cholinesterases inhibition activities of pyrazole and pyrazoline analogs of diarylpentanoids.

Arch Pharm (Weinheim) 2021 Jan 4;354(1):e2000161. Epub 2020 Sep 4.

School of Chemical Sciences and Food Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia.

View Article and Find Full Text PDF
January 2021

Melanogenic Inhibition and Toxicity Assessment of Flavokawain A and B on B16/F10 Melanoma Cells and Zebrafish ().

Molecules 2020 Jul 28;25(15). Epub 2020 Jul 28.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Serdang 43400, Selangor, Malaysia.

View Article and Find Full Text PDF
July 2020

Optimization of Processing Parameters of Nanoemulsion Containing Aripiprazole Using Response Surface Methodology.

Int J Nanomedicine 2020 9;15:1585-1594. Epub 2020 Mar 9.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia.

View Article and Find Full Text PDF
July 2020

Oligosaccharides from Palm Kernel Cake Enhances Adherence Inhibition and Intracellular Clearance of Serovar Enteritidis In Vitro.

Microorganisms 2020 Feb 14;8(2). Epub 2020 Feb 14.

Institute of Tropical Agriculture and Food Security, Universiti Putra Malaysia, Serdang 43400 UPM, Selangor, Malaysia.

View Article and Find Full Text PDF
February 2020

Factors Affecting Cell Biomass and Flavonoid Production of Ficus deltoidea var. kunstleri in Cell Suspension Culture System.

Sci Rep 2019 07 2;9(1):9533. Epub 2019 Jul 2.

Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
July 2019

Phytochemical Evaluation, Embryotoxicity, and Teratogenic Effects of Extract on Zebrafish ().

Evid Based Complement Alternat Med 2019 5;2019:3807207. Epub 2019 Mar 5.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
March 2019

RNA-Seq analysis revealed genes associated with UV-induced cell necrosis through MAPK/TNF-α pathways in human dermal fibroblast cells as an inducer of premature photoaging.

Genomics 2020 01 1;112(1):484-493. Epub 2019 Apr 1.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, UPM, Serdang, Selangor, Malaysia; Institute of Plantation Studies, Universiti Putra Malaysia, 43400, UPM, Serdang, Selangor, Malaysia. Electronic address:

View Article and Find Full Text PDF
January 2020

Curcumin derivative, 2,6-bis(2-fluorobenzylidene)cyclohexanone (MS65) inhibits interleukin-6 production through suppression of NF-κB and MAPK pathways in histamine-induced human keratinocytes cell (HaCaT).

BMC Complement Altern Med 2018 Jul 16;18(1):217. Epub 2018 Jul 16.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
July 2018

CD133: beyond a cancer stem cell biomarker.

J Drug Target 2019 03 17;27(3):257-269. Epub 2018 Jul 17.

a Department of Biochemistry, Faculty of Biotechnology and Biomolecular Science , Universiti Putra Malaysia , Serdang , Malaysia.

View Article and Find Full Text PDF
March 2019

Inhibition of UVB-induced pro-inflammatory cytokines and MMP expression by Zanthoxylum rhetsa bark extract and its active constituent hesperidin.

Phytother Res 2018 Aug 19;32(8):1608-1616. Epub 2018 Apr 19.

Laboratory of Natural Products, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
August 2018

Time dependent effect of chronic embryonic exposure to ethanol on zebrafish: Morphology, biochemical and anxiety alterations.

Behav Brain Res 2017 08 27;332:40-49. Epub 2017 May 27.

Department of Biology, Faculty of Science, Universiti Putra Malaysia 43400 Serdang, Selangor Malaysia; Institute of Bioscience (IBS), Universiti Putra Malaysia 43400 Serdang, Selangor, Malaysia. Electronic address:

View Article and Find Full Text PDF
August 2017

Combinatorial Cytotoxic Effects of Damnacanthal and Doxorubicin against Human Breast Cancer MCF-7 Cells in Vitro.

Molecules 2016 Sep 14;21(9). Epub 2016 Sep 14.

Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia.

View Article and Find Full Text PDF
September 2016

Assessment of total phenolic compounds and in vitro free radical scavenging potentials of water extracts of ten selected species of Zingiberaceae rhizomes use in folkloric medicine.

Pak J Pharm Sci 2016 May;29(3):979-84

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, University Putra Malaysia UPM Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
May 2016

Cell Culture, Technology: Enhancing the Culture of Diagnosing Human Diseases.

J Clin Diagn Res 2016 Mar 1;10(3):DE01-5. Epub 2016 Mar 1.

Professor, Department of Medical Microbiology and Parasitology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia . UPM Serdang, Selangor Darul Ehsan, Malaysia .

View Article and Find Full Text PDF
March 2016

Antioxidant Potential in Different Parts and Callus of Gynura procumbens and Different Parts of Gynura bicolor.

Biomed Res Int 2015 30;2015:147909. Epub 2015 Sep 30.

Institute of Biosciences, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia ; Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
August 2016

Elucidation of in-vitro anti-inflammatory bioactive compounds isolated from Jatropha curcas L. plant root.

BMC Complement Altern Med 2015 Feb 5;15:11. Epub 2015 Feb 5.

Department of Environmental Sciences, Faculty of Environmental Studies, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Darul Ehsan, Malaysia.

View Article and Find Full Text PDF
February 2015

Total anti-oxidant capacity, flavonoid, phenolic acid and polyphenol content in ten selected species of Zingiberaceae rhizomes.

Afr J Tradit Complement Altern Med 2014 3;11(3):7-13. Epub 2014 Apr 3.

Department of Biochemistry Faculty of Biotechnology and Biomolecular Sciences, University Putra Malaysia 43400 UPM Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
July 2015

Synthesis and sar study of diarylpentanoid analogues as new anti-inflammatory agents.

Molecules 2014 Oct 9;19(10):16058-81. Epub 2014 Oct 9.

Al-Moalim BinLaden Chair for Scientific Miracles of Prophetic Medicine, Scientific Chairs Unit, Taibah University, P.O. Box 30001, Madinah al Munawarah 41311, Saudi Arabia.

View Article and Find Full Text PDF
October 2014

Inhibition of prostaglandin E(2) production by synthetic minor prenylated chalcones and flavonoids: synthesis, biological activity, crystal structure, and in silico evaluation.

Bioorg Med Chem Lett 2014 Aug 27;24(16):3826-34. Epub 2014 Jun 27.

Drugs and Herbal Research Centre, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, 50300 Kuala Lumpur, Malaysia. Electronic address:

View Article and Find Full Text PDF
August 2014

Damnacanthal is a potent inducer of apoptosis with anticancer activity by stimulating p53 and p21 genes in MCF-7 breast cancer cells.

Oncol Lett 2014 May 20;7(5):1479-1484. Epub 2014 Feb 20.

Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia.

View Article and Find Full Text PDF
May 2014

Detoxification of toxic phorbol esters from Malaysian Jatropha curcas Linn. kernel by Trichoderma spp. and endophytic fungi.

Int J Mol Sci 2014 Feb 5;15(2):2274-88. Epub 2014 Feb 5.

Department of Biology, Faculty of Science, Taif University, P.O. Box: 888-Taif, Taif 21974, Saudi Arabia.

View Article and Find Full Text PDF
February 2014

Mechanism(s) of action involved in the gastroprotective activity of Muntingia calabura.

J Ethnopharmacol 2014 Feb 28;151(3):1184-1193. Epub 2013 Dec 28.

Natural Products Division, Forest Research Institute Malaysia (FRIM), 52109 Kepong, Selangor, Malaysia.

View Article and Find Full Text PDF
February 2014

Antioxidant, antityrosinase, anticholinesterase, and nitric oxide inhibition activities of three malaysian macaranga species.

ScientificWorldJournal 2013 4;2013:312741. Epub 2013 Nov 4.

Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
June 2014

Effects of Payena dasyphylla (Miq.) on hyaluronidase enzyme activity and metalloproteinases protein expressions in interleukin-1β stimulated human chondrocytes cells.

BMC Complement Altern Med 2013 Aug 23;13:213. Epub 2013 Aug 23.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
August 2013

Antifungal, anti-inflammatory and cytotoxicity activities of three varieties of labisia pumila benth: from microwave obtained extracts.

BMC Complement Altern Med 2013 Jan 24;13:20. Epub 2013 Jan 24.

Department of Crop Science, Faculty of Agriculture, University Putra Malaysia, Serdang, Selangor 43400 UPM, Malaysia.

View Article and Find Full Text PDF
January 2013

Phorbol esters isolated from Jatropha meal induced apoptosis-mediated inhibition in proliferation of chang and Vero cell lines.

Int J Mol Sci 2012 Oct 24;13(11):13816-29. Epub 2012 Oct 24.

Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
October 2012

Efficiency of different Agrobacterium rhizogenes strains on hairy roots induction in Solanum mammosum.

World J Microbiol Biotechnol 2013 Mar 23;29(3):421-30. Epub 2012 Oct 23.

Laboratory of Natural Products, Institute of BioScience, Universiti Putra Malaysia, 43400 Serdang, Selangor Darul Ehsan, Malaysia.

View Article and Find Full Text PDF
March 2013

Phorbol esters from Jatropha meal triggered apoptosis, activated PKC-δ, caspase-3 proteins and down-regulated the proto-oncogenes in MCF-7 and HeLa cancer cell lines.

Molecules 2012 Sep 10;17(9):10816-30. Epub 2012 Sep 10.

Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia.

View Article and Find Full Text PDF
September 2012

BDMC33, A curcumin derivative suppresses inflammatory responses in macrophage-like cellular system: role of inhibition in NF-κB and MAPK signaling pathways.

Int J Mol Sci 2012 6;13(3):2985-3008. Epub 2012 Mar 6.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; E-Mail:

View Article and Find Full Text PDF
September 2015

Cardamonin from Alpinia rafflesiana inhibits inflammatory responses in IFN-γ/LPS-stimulated BV2 microglia via NF-κB signalling pathway.

Int Immunopharmacol 2012 Apr 3;12(4):657-65. Epub 2012 Feb 3.

Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor DE, Malaysia.

View Article and Find Full Text PDF
April 2012

A curcumin derivative, 2,6-bis(2,5-dimethoxybenzylidene)-cyclohexanone (BDMC33) attenuates prostaglandin E2 synthesis via selective suppression of cyclooxygenase-2 in IFN-γ/LPS-stimulated macrophages.

Molecules 2011 Nov 23;16(11):9728-38. Epub 2011 Nov 23.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
November 2011

Antioxidant, anti-inflammatory and cytotoxicity of Phaleria macrocarpa (Boerl.) Scheff Fruit.

BMC Complement Altern Med 2011 Nov 9;11:110. Epub 2011 Nov 9.

Department of Biochemistry, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
November 2011

Bioactive compounds and biological activities of Jatropha curcas L. kernel meal extract.

Int J Mol Sci 2011 15;12(9):5955-70. Epub 2011 Sep 15.

Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia; E-Mails: (E.O.); (W.Z.S.).

View Article and Find Full Text PDF
February 2015

Flavonoid analyses and antimicrobial activity of various parts of Phaleria macrocarpa (Scheff.) Boerl fruit.

Int J Mol Sci 2011 27;12(6):3422-31. Epub 2011 May 27.

Department of Biochemistry, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia (UPM), 43400 UPM Serdang, Selangor, Malaysia; E-Mails: (R.H.); (M.Y.S.).

View Article and Find Full Text PDF
January 2015

Antinociceptive activity of Melicope ptelefolia ethanolic extract in experimental animals.

J Biomed Biotechnol 2010 2;2010:937642. Epub 2011 Jan 2.

Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, 43400 Serdang, Malaysia.

View Article and Find Full Text PDF
April 2011

Synthesis and biological activity of oxadiazole and triazolothiadiazole derivatives as tyrosinase inhibitors.

Bioorg Med Chem Lett 2010 Jun 18;20(12):3755-9. Epub 2010 Apr 18.

Institute of Bioscience, University Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia.

View Article and Find Full Text PDF
June 2010

Synthesis and biological evaluation of curcumin-like diarylpentanoid analogues for anti-inflammatory, antioxidant and anti-tyrosinase activities.

Eur J Med Chem 2009 Aug 26;44(8):3195-200. Epub 2009 Mar 26.

Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, UPM Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
August 2009

Biological evaluation of curcumin and related diarylheptanoids.

Z Naturforsch C J Biosci 2006 Sep-Oct;61(9-10):625-31

Laboratory of Natural Products, Institute of Bioscience, University Putra Malaysia, 43400 Serdang, Selangor, Malaysia.

View Article and Find Full Text PDF
January 2007