Displaying publications 41 - 60 of 899 in total

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  1. Fulltext Synergistic anticancer effects of a bioactive subfraction of Strobilanthes crispus and tamoxifen on MCF-7 and MDA-MB-231 human breast cancer cell lines
    Yaacob NS, Kamal NN, Norazmi MN
    BMC Complement Altern Med, 2014;14:252.
    PMID: 25034326 DOI: 10.1186/1472-6882-14-252
    Development of tumour resistance to chemotherapeutic drugs and concerns over their toxic effects has led to the increased use of medicinal herbs or natural products by cancer patients. Strobilanthes crispus is a traditional remedy for many ailments including cancer. Its purported anticancer effects have led to the commercialization of the plant leaves as medicinal herbal tea, although the scientific basis for its use has not been established. We previously reported that a bioactive subfraction of Strobilanthes crispus leaves (SCS) exhibit potent cytotoxic activity against human breast cancer cell lines. The current study investigates the effect of this subfraction on cell death activities induced by the antiestrogen drug, tamoxifen, in estrogen receptor-responsive and nonresponsive breast cancer cells.
    Matched MeSH terms: Plant Extracts/chemistry
  2. Fulltext Cytotoxic effects of Mangifera indica L. kernel extract on human breast cancer (MCF-7 and MDA-MB-231 cell lines) and bioactive constituents in the crude extract
    Abdullah AS, Mohammed AS, Abdullah R, Mirghani ME, Al-Qubaisi M
    BMC Complement Altern Med, 2014;14:199.
    PMID: 24962691 DOI: 10.1186/1472-6882-14-199
    Waterlily Mango (Mangifera indica L.) is thought to be antioxidant-rich, conferred by its functional phytochemicals.
    Matched MeSH terms: Plant Extracts/chemistry
  3. Fulltext Evaluation of acute toxicity and gastroprotective activity of curcuma purpurascens BI. rhizome against ethanol-induced gastric mucosal injury in rats
    Rouhollahi E, Moghadamtousi SZ, Hamdi OA, Fadaeinasab M, Hajrezaie M, Awang K, et al.
    BMC Complement Altern Med, 2014;14:378.
    PMID: 25283308 DOI: 10.1186/1472-6882-14-378
    Curcuma purpurascens BI. is a medicinal plant from the Zingiberaceae family, which is widely used as a spice and as folk medicine. The aim of the present study is to investigate the gastroprotective activity of C. purpurascens rhizome hexane extract (CPRHE) against ethanol- induced gastric ulcers in rats.
    Matched MeSH terms: Plant Extracts/chemistry
  4. Fulltext Induction of cell cycle arrest and apoptosis in caspase-3 deficient MCF-7 cells by Dillenia suffruticosa root extract via multiple signalling pathways
    Foo JB, Yazan LS, Tor YS, Armania N, Ismail N, Imam MU, et al.
    BMC Complement Altern Med, 2014;14:197.
    PMID: 24947113 DOI: 10.1186/1472-6882-14-197
    Dillenia suffruticosa root dichloromethane extract (DCM-DS) has been reported to exhibit strong cytotoxicity towards breast cancer cells. The present study was designed to investigate the cell cycle profile, mode of cell death and signalling pathways of DCM-DS-treated human caspase-3 deficient MCF-7 breast cancer cells.
    Matched MeSH terms: Plant Extracts/chemistry
  5. Fulltext Ardisia crispa roots inhibit cyclooxygenase and suppress angiogenesis
    Hamsin DE, Hamid RA, Yazan LS, Taib CN, Yeong LT
    BMC Complement Altern Med, 2014;14:102.
    PMID: 24641961 DOI: 10.1186/1472-6882-14-102
    In our previous studies conducted on Ardisia crispa roots, it was shown that Ardisia crispa root inhibited inflammation-induced angiogenesis in vivo. The present study was conducted to identify whether the anti-angiogenic properties of Ardisia crispa roots was partly due to either cyclooxygenase (COX) or/and lipoxygenase (LOX) activity inhibition in separate in vitro studies.
    Matched MeSH terms: Plant Extracts/chemistry
  6. Fulltext Phytochemical constituents, nutritional values, phenolics, flavonols, flavonoids, antioxidant and cytotoxicity studies on Phaleria macrocarpa (Scheff.) Boerl fruits
    Lay MM, Karsani SA, Mohajer S, Abd Malek SN
    BMC Complement Altern Med, 2014;14:152.
    PMID: 24885709 DOI: 10.1186/1472-6882-14-152
    The edible fruits of Phaleria macrocarpa (Scheff.) Boerl are widely used in traditional medicine in Indonesia. It is used to treat a variety of medical conditions such as - cancer, diabetes mellitus, allergies, liver and heart diseases, kidney failure, blood diseases, high blood pressure, stroke, various skin diseases, itching, aches, and flu. Therefore, it is of great interest to determine the biochemical and cytotoxic properties of the fruit extracts.
    Matched MeSH terms: Plant Extracts/chemistry*
  7. Fulltext Antinociceptive activity of methanolic extract of Muntingia calabura leaves: further elucidation of the possible mechanisms
    Zakaria ZA, Mohd Sani MH, Cheema MS, Kader AA, Kek TL, Salleh MZ
    BMC Complement Altern Med, 2014;14:63.
    PMID: 24555641 DOI: 10.1186/1472-6882-14-63
    Muntingia calabura (Elaecoparceae) is a medicinal plant traditionally used, particularly, by the Peruvian people to alleviate headache and cold, pain associated with gastric ulcers or to reduce the prostate gland swelling. Following the recent establishment of antinociceptive activity of M. calabura leaf, the present study was performed to further elucidate on the possible mechanisms of antinociception involved.
    Matched MeSH terms: Plant Extracts/chemistry
  8. Fulltext Profiling of phenolic compounds and their antioxidant and anticancer activities in pandan (Pandanus amaryllifolius Roxb.) extracts from different locations of Malaysia
    Ghasemzadeh A, Jaafar HZ
    BMC Complement Altern Med, 2013;13:341.
    PMID: 24289290 DOI: 10.1186/1472-6882-13-341
    Phytochemicals and antioxidants from plant sources are of increasing interest to consumers because of their roles in the maintenance of human health. Most of the secondary metabolites of herbs are used in a number of pharmaceutical products.
    Matched MeSH terms: Plant Extracts/chemistry
  9. Fulltext Methanol extract of Melastoma malabathricum leaves exerted antioxidant and liver protective activity in rats
    Mamat SS, Kamarolzaman MF, Yahya F, Mahmood ND, Shahril MS, Jakius KF, et al.
    BMC Complement Altern Med, 2013;13:326.
    PMID: 24267313 DOI: 10.1186/1472-6882-13-326
    Melastoma malabathricum L. (Melastomaceae) is a small shrub with various medicinal uses. The present study was carried out to determine the hepatoprotective activity of methanol extract of M. malabathricum leaves (MEMM) against the paracetamol-induced liver toxicity in rats model.
    Matched MeSH terms: Plant Extracts/chemistry
  10. Fulltext Antioxidant activity of Coriandrum sativum and protection against DNA damage and cancer cell migration
    Tang EL, Rajarajeswaran J, Fung SY, Kanthimathi MS
    BMC Complement Altern Med, 2013;13:347.
    PMID: 24517259 DOI: 10.1186/1472-6882-13-347
    Coriandrum sativum is a popular culinary and medicinal herb of the Apiaceae family. Health promoting properties of this herb have been reported in pharmacognostical, phytochemical and pharmacological studies. However, studies on C. sativum have always focused on the aerial parts of the herb and scientific investigation on the root is limited. The aim of this research was to investigate the antioxidant and anticancer activities of C. sativum root, leaf and stem, including its effect on cancer cell migration, and its protection against DNA damage, with special focus on the roots.
    Matched MeSH terms: Plant Extracts/chemistry
  11. Fulltext Antioxidant and cytoprotective activities of Piper betle, Areca catechu, Uncaria gambir and betel quid with and without calcium hydroxide
    Sazwi NN, Nalina T, Abdul Rahim ZH
    BMC Complement Altern Med, 2013;13:351.
    PMID: 24330738 DOI: 10.1186/1472-6882-13-351
    Betel quid chewing is a popular habit in Southeast Asia. It is believed that chewing betel quid could reduce stress, strengthen teeth and maintain oral hygiene. The aim of this study was to investigate the antioxidant and cytoprotective activities of each of the ingredients of betel quid and compared with betel quid itself (with and without calcium hydroxide). The correlation of their cytoprotective and antioxidant activities with phenolic content was also determined.
    Matched MeSH terms: Plant Extracts/chemistry
  12. Fulltext Chemical analysis, inhibition of biofilm formation and biofilm eradication potential of Euphorbia hirta L. against clinical isolates and standard strains
    Perumal S, Mahmud R
    BMC Complement Altern Med, 2013;13:346.
    PMID: 24321370 DOI: 10.1186/1472-6882-13-346
    The frequent occurrences of antibiotic-resistant biofilm forming pathogens have become global issue since various measures that had been taken to curb the situation led to failure. Euphorbia hirta, is a well-known ethnomedicinal plant of Malaysia with diverse biological activities. This plant has been used widely in traditional medicine for the treatment of gastrointestinal, bronchial and respiratory ailments caused by infectious agents.
    Matched MeSH terms: Plant Extracts/chemistry
  13. Fulltext PASS-predicted Vitex negundo activity: antioxidant and antiproliferative properties on human hepatoma cells--an in vitro study
    Kadir FA, Kassim NM, Abdulla MA, Yehye WA
    BMC Complement Altern Med, 2013;13:343.
    PMID: 24305067 DOI: 10.1186/1472-6882-13-343
    Hepatocellular carcinoma is a common type of tumour worldwide with a high mortality rate and with low response to current cytotoxic and chemotherapeutic drugs. The prediction of activity spectra for the substances (PASS) software, which predicted that more than 300 pharmacological effects, biological and biochemical mechanisms based on the structural formula of the substance was efficiently used in this study to reveal new multitalented actions for Vitex negundo (VN) constituents.
    Matched MeSH terms: Plant Extracts/chemistry*
  14. Fulltext Antioxidant and pro-oxidant effects of oil palm (Elaeis guineensis) leaves extract in experimental diabetic nephropathy: a duration-dependent outcome
    Varatharajan R, Sattar MZ, Chung I, Abdulla MA, Kassim NM, Abdullah NA
    BMC Complement Altern Med, 2013;13:242.
    PMID: 24074026 DOI: 10.1186/1472-6882-13-242
    Catechins-rich oil palm (Elaeis guineensis) leaves extract (OPLE) is known to have antioxidant activity. Several polyphenolic compounds reported as antioxidants such as quercetin, catechins and gallic acid have been highlighted to have pro-oxidant activity at high doses. Therefore, the present study was conducted to investigate the antioxidant and pro-oxidant effects of chronically administering high dose of OPLE (1000 mg kg⁻¹) in an animal model of diabetic nephropathy (DN).
    Matched MeSH terms: Plant Extracts/chemistry
  15. Fulltext Neurite outgrowth stimulatory effects of culinary-medicinal mushrooms and their toxicity assessment using differentiating Neuro-2a and embryonic fibroblast BALB/3T3
    Phan CW, David P, Naidu M, Wong KH, Sabaratnam V
    BMC Complement Altern Med, 2013;13:261.
    PMID: 24119256 DOI: 10.1186/1472-6882-13-261
    Mushrooms are not only regarded as gourmet cuisine but also as therapeutic agent to promote cognition health. However, little toxicological information is available regarding their safety. Therefore, the aim of this study was to screen selected ethno-pharmacologically important mushrooms for stimulatory effects on neurite outgrowth and to test for any cytotoxicity.
    Matched MeSH terms: Plant Extracts/chemistry
  16. Fulltext Induction of apoptosis in melanoma A375 cells by a chloroform fraction of Centratherum anthelminticum (L.) seeds involves NF-kappaB, p53 and Bcl-2-controlled mitochondrial signaling pathways
    Looi CY, Moharram B, Paydar M, Wong YL, Leong KH, Mohamad K, et al.
    BMC Complement Altern Med, 2013;13:166.
    PMID: 23837445 DOI: 10.1186/1472-6882-13-166
    Centratherum anthelminticum (L.) Kuntze (scientific synonyms: Vernonia anthelmintica; black cumin) is one of the ingredients of an Ayurvedic preparation, called "Kayakalp", commonly applied to treat skin disorders in India and Southeast Asia. Despite its well known anti-inflammatory property on skin diseases, the anti-cancer effect of C. anthelminticum seeds on skin cancer is less documented. The present study aims to investigate the anti-cancer effect of Centratherum anthelminticum (L.) seeds chloroform fraction (CACF) on human melanoma cells and to elucidate the molecular mechanism involved.
    Matched MeSH terms: Plant Extracts/chemistry
  17. Fulltext Syzygium campanulatum korth methanolic extract inhibits angiogenesis and tumor growth in nude mice
    Aisha AF, Ismail Z, Abu-Salah KM, Siddiqui JM, Ghafar G, Abdul Majid AM
    BMC Complement Altern Med, 2013;13:168.
    PMID: 23842450 DOI: 10.1186/1472-6882-13-168
    Syzygium campanulatum Korth (Myrtaceae) is an evergreen shrub rich in phenolics, flavonoid antioxidants, and betulinic acid. This study sought to investigate antiangiogenic and anti-colon cancer effects of S.C. standardized methanolic extract.
    Matched MeSH terms: Plant Extracts/chemistry
  18. Fulltext Antioxidant potential, cytotoxic activity and total phenolic content of Alpinia pahangensis rhizomes
    Phang CW, Malek SN, Ibrahim H
    BMC Complement Altern Med, 2013 Oct 01;13:243.
    PMID: 24083445 DOI: 10.1186/1472-6882-13-243
    BACKGROUND: Alpinia pahangensis, a wild ginger distributed in the lowlands of Pahang, Malaysia, is used by the locals to treat flatulence. In this study, the antioxidant and cytotoxic activities of the crude aqueous methanol and fractionated extracts of Alpinia pahangensis against five different cancer and one normal cell lines were investigated. The total phenolic content of each extract and its fractions were also quantified. This is the first report on the antioxidant and cytotoxic activities of Alpinia pahangensis extract.

    METHODS: In the current study, the crude methanol and fractionated extract of the rhizomes of Alpinia pahangensis were investigated for their antioxidant activity using four different assays namely, the DPPH scavenging activity, superoxide anion scavenging, β-carotene bleaching and reducing power assays whilst their phenolic contents were measured by the Folin-Ciocalteu's method.In vitro neutral red cytotoxicity assay was employed to evaluate the cytotoxic activity against five different cancer cell lines, colon cancer (HCT 116 and HT-29), cervical cancer (Ca Ski), breast cancer (MCF7) and lung cancer (A549) cell lines, and one normal cell line (MRC-5). The extract that showed high cytotoxic activity was further investigated for its chemical constituents by GC-MS (gas chromatography-mass spectrometry) analysis.

    RESULTS: The ethyl acetate fraction showed the strongest DPPH radical scavenging (0.35 ± 0.094 mg/ml) and SOD activities (51.77 ± 4.9%) whilst the methanol extract showed the highest reducing power and also the strongest antioxidant activity in the β-carotene bleaching assays in comparison to other fractions. The highest phenolic content was found in the ethyl acetate fraction, followed by the crude methanol extract, hexane and water fractions. The results showed a positive correlation between total phenolic content with DPPH radical scavenging capacities and SOD activities. The hexane fraction showed potent cytotoxic effect against KB, Ca Ski and HCT 116 cell lines with IC₅₀ of 5.8 ± 0.1 and 9.1 ± 2.0 ug/ml, respectively. The major components of hexane fraction analysed by GC-MS analysis were mostly methyl esters.

    CONCLUSIONS: The current study suggests that the methanol extract and ethyl acetate fraction of A. pahangensis is a potential source of natural antioxidant for protective as well as prevention of life-threatening diseases. The hexane fraction of A. pahangensis may have the potential to be developed into therapeutic option for treating cancer.

    Matched MeSH terms: Plant Extracts/chemistry
  19. Fulltext Comparative effect of Piper betle, Chlorella vulgaris and tocotrienol-rich fraction on antioxidant enzymes activity in cellular ageing of human diploid fibroblasts
    Makpol S, Yeoh TW, Ruslam FA, Arifin KT, Yusof YA
    BMC Complement Altern Med, 2013;13:210.
    PMID: 23948056 DOI: 10.1186/1472-6882-13-210
    Human diploid fibroblasts (HDFs) undergo a limited number of cellular divisions in culture and progressively reach a state of irreversible growth arrest, a process termed cellular ageing. Even though beneficial effects of Piper betle, Chlorella vulgaris and tocotrienol-rich fraction (TRF) have been reported, ongoing studies in relation to ageing is of interest to determine possible protective effects that may reverse the effect of ageing. The aim of this study was to evaluate the effect of P. betle, C. vulgaris and TRF in preventing cellular ageing of HDFs by determining the activity of antioxidant enzymes viz.; catalase, superoxide dismutase (SOD) and glutathione peroxidase.
    Matched MeSH terms: Plant Extracts/chemistry
  20. Fulltext Antidiabetic and antioxidant properties of Ficus deltoidea fruit extracts and fractions
    Misbah H, Aziz AA, Aminudin N
    BMC Complement Altern Med, 2013;13:118.
    PMID: 23718315 DOI: 10.1186/1472-6882-13-118
    Diabetes is a serious metabolic disorder affecting the metabolism of carbohydrate, protein and fat. A number of studies have shown that diabetes mellitus is associated with oxidative stress, leading to an increased production of reactive oxygen species. Ficus deltoidea is traditionally used in Malaysia for regulating blood sugar, blood pressure and cholesterol levels. The use of F. deltoidea as an alternative medicinal herb is increasingly gaining popularity with the sale of F. deltoidea tea bags and capsules in the local market. The present study was undertaken to investigate the antidiabetic and antioxidant activities of the fruits from different varieties of F. deltoidea, employing in vitro methods.
    Matched MeSH terms: Plant Extracts/chemistry*
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