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Anticancer Activity

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https://www.readbyqxmd.com/read/28545188/clinacanthus-nutans-hexane-extracts-induce-apoptosis-through-a-caspase-dependent-pathway-in-human-cancer-cell-lines
#1
Pei Ying Ng, Soi Moi Chye, Chew Hee Ng, Rhun Yian Koh, Yee Lian Tiong, Liew Phing Pui, Yong Hui Tan, Crystale Siew Ying Lim, Khuen Yen Ng
Background: Clinacanthus nutans (C.nutans) is a plant consumed as a cancer treatment in tropical Asia. Despite the availability of numerous anecdotal reports, evaluation of active anticancer effects has remained elusive. Therefore we here examined antiproliferative, reactive oxygen species (ROS)-inducing and apoptosis mechanisms of whole plant extracts in different cancer cell lines. Methods: Antiproliferative actions of five solvent extracts (hexane, chloroform, ethyl acetate, methanol and water) of C.nutans were tested on non-small cell lung cancer (A549), nasopharygeal cancer (CNE1) and liver cancer (HepG2) cells using MTT assay...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545187/enterolactone-suppresses-proliferation-migration-and-metastasis-of-mda-mb-231-breast-cancer-cells-through-inhibition-of-upa-induced-plasmin-activation-and-mmps-mediated-ecm-remodeling
#2
Aniket V Mali, Asavari A Joshi, Mahabaleshwar V Hegde, Shivajirao S Kadam
Background: To enhance their own survival, tumor cells can manipulate their microenvironment through remodeling of the extra cellular matrix (ECM). The urokinase-type plasminogen activator (uPA) system catalyzes plasmin production which further mediates activation of matrix metalloproteinases (MMPs) and plays an important role in breast cancer invasion and metastasis through ECM remodeling. This provides a potential target for therapeutic intervention of breast cancer treatment. Enterolactone (EL) is derived from dietary flax lignans in the human body and is known to have anti-breast cancer activity...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28544846/genomic-dna-interactions-mechanize-peptidotoxin-mediated-anti-cancer-nanotherapy
#3
Santosh K Misra, Aaron S Schwartz-Duval, Dipanjan Pan
Host defense peptides (HDPs) are a class of evolutionarily conserved substances of the innate immune response that has been identified as major players in the defense system in many living organisms. Some of the HDPs are also referred as peptidotoxins which offer immense potential for anti-cancer therapy. However, their therapeutic potential is yet to be fully translated mainly due to their off-target toxicity. Here we show that their nano-enabled delivery may become beneficial in controlling their delivery in intra-cellular space...
May 25, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28544624/pyrimidine-containing-epidermal-growth-factor-receptor-kinase-inhibitors-synthesis-and-biological-evaluation
#4
Gaurav Joshi, Himanshu Nayyar, Sourav Kalra, Praveen Sharma, Anjana Munshi, Sandeep Singh, Raj Kumar
Structure based design and synthesis of pyrimidine containing reversible epidermal growth factor receptor (EGFR) inhibitors 1a-d are reported. The compounds (1a-d) inhibited the EGFR kinase activity in vitro with IC50 range 740 nM to 3 μM. mRNA expression of EGFR downstream target genes i.e. twist, c-fos and aurora were found to be altered upon treatment with compounds 1a-d. The compounds 1a-d exhibited excellent anticancer activity at low micromolar level (3.2-9 μM) in lung, colon and breast cancer cell lines...
May 23, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28544513/composition-antioxidant-and-anticancer-activities-of-the-essential-oil-from-fresh-and-air-dried-aerial-parts-of-pallenis-spinosa
#5
Mahmoud A Al-Qudah, Ayman M Saleh, Naif L Alhawsawi, Hala I Al-Jaber, Syed A Rizvi, Fatma U Afifi
This study was performed to determine the chemical composition, antioxidant and anticancer effects of essential oils extracted from the aerial parts of fresh (F-PSEO) and air-dried (D-PSEO) Pallenis spinosa. The composition of the oils was analyzed by GC and GC-MS, the antioxidant activity by free radical scavenging and metal chelating assays, and their cytotoxicity by a flow cytometry analysis. The primary components in both oils were sesquiterpene hydrocarbons and oxygentated sesquiterpenes. F-PSEO contained 36 different compounds; α-cadinol (16...
May 23, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28544385/korean-red-ginseng-extract-enhances-the-anticancer-effects-of-sorafenib-through-abrogation-of-creb-and-c-jun-activation-in-renal-cell-carcinoma
#6
Chulwon Kim, Jong Hyun Lee, Seung Ho Baek, Jeong-Hyeon Ko, Dongwoo Nam, Kwang Seok Ahn
Although application of sorafenib in the treatment of human renal cell carcinoma (RCC) remains one of the best examples of successful targeted therapy, majority of RCC patients suffer from its side effects as well as develop resistance to this targeted therapy. Thus, there is a need to promote novel alternative therapies for the treatment of RCC. In this study, we investigated whether Korean red ginseng extract (KRGE) could inhibit the proliferation and induce chemosensitization in human renal cancer cells...
May 22, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28544162/benzimidazole-scaffold-as-anticancer-agent-synthetic-approaches-and-structure-activity-relationship
#7
REVIEW
Neelima Shrivastava, Mohd Javed Naim, Md Jahangir Alam, Farah Nawaz, Shujauddin Ahmed, Ozair Alam
Cancer, also known as malignant neoplasm, is a dreadful disease which involves abnormal cell growth having the potential to invade or spread to other parts of the body. Benzimidazole is an organic compound that is heterocyclic and aromatic in nature. It is a bicyclic compound formed by the fusion of the benzene and imidazole ring systems. It is an important pharmacophore and a privileged structure in medicinal chemistry. According to the World Health Organisation (2015 survey), one in six deaths is due to cancer around the globe, accounting for 8...
May 22, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28543759/abrus-agglutinin-promotes-irreparable-dna-damage-by-triggering-ros-generation-followed-by-atm-p73-mediated-apoptosis-in-oral-squamous-cell-carcinoma
#8
Niharika Sinha, Prashanta Kumar Panda, Prajna Paramita Naik, Durgesh Nandini Das, Subhadip Mukhopadhyay, Tapas K Maiti, Muthu K Shanmugam, Arunachalam Chinnathambi, M E Zayed, Sulaiman Ali Alharbi, Gautam Sethi, Rajesh Agarwal, Sujit K Bhutia
Oral cancer, a type of head and neck cancer, is ranked as one of the top most malignancies in India. Herein, we evaluated the anticancer efficacy of Abrus agglutinin (AGG), a plant lectin, in oral squamous cell carcinoma. AGG selectively inhibited cell growth, and caused cell cycle arrest and mitochondrial apoptosis through a reactive oxygen species (ROS)-mediated ATM-p73 dependent pathway in FaDu cells. AGG-induced ROS accumulation was identified as the major mechanism regulating apoptosis, DNA damage and DNA-damage response, which were significantly reversed by ROS scavenger N-acetylcysteine (NAC)...
May 23, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28543531/isolation-structure-and-bioactivities-of-polysaccharides-from-cyclocarya-paliurus-batal-iljinskaja
#9
REVIEW
Qiqiong Li, Jielun Hu, Jianhua Xie, Shaoping Nie, Ming-Yong Xie
Cyclocarya paliurus (Batal.) Iljinskaja, a well-known edible and medicinal plant, has been widely used in China as a traditional medicine for treating hypertension and diabetes. C. paliurus possesses various bioactivities, such as antihyperglycemic, antihyperlipidemic, antihypertensive, anticancer, antifatigue, antioxidation, antimicrobial, colon health-promoting, and immunological activities. Polysaccharides, as natural macromolecules with various biological activities, are considered to be the main effective components in C...
May 22, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28542135/furanodienone-induces-g0-g1-arrest-and-causes-apoptosis-via-the-ros-mapks-mediated-caspase-dependent-pathway-in-human-colorectal-cancer-cells-a-study-in-vitro-and-in-vivo
#10
Ying Jiang, Xiaoqin Wang, Daode Hu
Furanodienone, a major bioactive constituents of sesquiterpene derived from Rhizoma Curcumae, has been proven to possess the potent anticancer efficacy on human breast cancer cells. Here, we investigated the cytotoxicity of furanodienone on human colorectal carcinoma cell lines in vitro and in vivo, as well as its underlying molecular mechanisms in the induction of apoptosis. In this study, we found that furanodienone significantly inhibited proliferation of RKO and HT-29 cells, induced mitochondrial dysfunction characterized by collapse of mitochondrial transmembrane potential and reduction of ATP level, and promoted the production of reactive oxygen species (ROS) that functions upstream of caspase-dependent apoptosis...
May 25, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28542039/role-of-the-uridine-cytidine-kinase-2-mutation-in-cellular-sensitiveness-toward-3-ethynylcytidine-treatment-of-human-cancer-cells
#11
Akira Sato, Takeshi Takano, Akiko Hiramoto, Tomoharu Naito, Akira Matsuda, Masakazu Fukushima, Yusuke Wataya, Hye-Sook Kim
A nucleosidic medicine, 1-(3-C-ethynyl-β-D-ribo-pentofuranosyl)cytosine [3'-ethynylcytidine (ECyd)], is a potent inhibitor of RNA polymerase I and shows anticancer activity to various human solid tumors in vitro and in vivo. ECyd is phosphorylated to 3'-ethyntlcytidine 5'-monophosphate by uridine/cytidine kinase 2 (UCK2) and subsequently further to diphosphate and triphosphate (3'-ethyntlcytidine 5'-diphosphate, 3'-ethyntlcytidine 5'-triphosphate). 3'-Ethyntlcytidine 5'-triphosphate is an active metabolite that can inhibit RNA polymerase I competitively, causing cancer cell death...
May 24, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28541041/self-assembled-zno-nanoparticle-capsules-for-carrying-and-delivering-isotretinoin-to-cancer-cells
#12
Wei Zhao, Ji-Shi Wei, Peng Zhang, Jie Chen, Ji-Lie Kong, Lian-Hua Sun, Huan-Ming Xiong, Helmuth Möhwald
ZnO@polymer core-shell nanoparticles are assembled into novel capsule shells with diameters of about 100 nm to load isotretinoin (ISO) with a capacity as high as 34.6 wt %. Although ISO, a widely used drug for acne treatment, by itself is not suitable for treating cancer because of its hydrophobicity, our ZnO-ISO composite showed much stronger anticancer activity. The improved cytotoxicity is ascribed to the synergistic effects of the ZnO@polymer and ISO, where the ZnO@polymer helps in the accumulation of ISO in cancer cells on the one hand, and on the other hand, ISO is released completely through ZnO decomposition under acidic conditions of cancer cells...
May 25, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28540720/specifically-increased-paclitaxel-release-in-tumor-and-synergetic-therapy-by-a-hyaluronic-acid-tocopherol-nanomicelle
#13
Hanbo Zhang, Wei Li, Xiaomeng Guo, Fenfen Kong, Zuhua Wang, Chunqi Zhu, Lihua Luo, Qingpo Li, Jie Yang, Yongzhong Du, Jian You
Recently, interest in tumor-targeting and site-specific drug release from nanoparticles as a means of drug delivery has increased. In this study, we reported on a smart nanosized micelle formed by hyaluronic acid (HA) conjugated with D-α-Tocopherol Succinate (TOS) using a disulfide bond as the linker (HA-SS-TOS, HSST). HSST micelles can specifically bind to the CD44 receptors that are overexpressed on cancer cells. The high levels of glutathione (GSH) in tumor cells selectively break the disulfide bond linker...
May 25, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28540651/biologically-active-cu-ii-co-ii-ni-ii-and-zn-ii-complexes-of-pyrimidine-derivative-schiff-base-dna-binding-antioxidant-antibacterial-and-in-vitro-anticancer-studies
#14
Nagaraj Revathi, Murugesan Sankarganesh, Jegathalaprathaban Rajesh, Jeyaraj Dhaveethu Raja
A new pyrimidine derivative Schiff base ligand (HL) [HL = 2-(4,6-dimethylpyrimidin-2-ylimino)methyl)-4-nitrophenol] and its metal(II) complexes [CuL2] (1), [CoL2] (2), [NiL2] (3) and [ZnL2] (4) have been synthesized and characterized by several spectral techniques. The square planar geometry of the complexes 1-4 confirmed by UV-Visible, ESR and EI-mass spectral techniques. DNA binding study of the complexes 1-4 with Calf Thymus (CT) DNA using absorption spectral titration at different pH (4.0, 7.0 & 10.0) have been scrutinized that the complexes 1-4 bound by groove binding mode with significant binding constant values (K b  = 5...
May 24, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28539822/induction-of-mitotic-delay-in-pharyngeal-and-nasopharyngeal-carcinoma-cells-using-an-aqueous-extract-of-ajuga-bracteosa
#15
Yu-Tsai Lin, Chih-Che Lin, Hung-Chen Wang, Yi-Chiang Hsu
Nasopharyngeal carcinoma (NPC) is a common cancer in Southeast Asia, for which radiotherapy and/or chemotherapy are the primary treatment methods. Many herbs are known to have potential uses in chemotherapy; however, the mechanisms underlying the observed antitumor activity of Ajuga bracteosa (AB) against NPC remain unclear. We explored the antitumor effects of AB, which was shown specifically to induce mitotic delay in pharyngeal (Detroit 562) and nasopharyngeal (Hone-1) cancer cells. Proliferation of cancer cells after exposure to aqueous extract of A...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28539734/honey-and-health-a-review-of-recent-clinical-research
#16
REVIEW
Saeed Samarghandian, Tahereh Farkhondeh, Fariborz Samini
Honey is one of the most appreciated and valued natural products introduced to humankind since ancient times. Honey is used not only as a nutritional product but also in health described in traditional medicine and as an alternative treatment for clinical conditions ranging from wound healing to cancer treatment. The aim of this review is to emphasize the ability of honey and its multitude in medicinal aspects. Traditionally, honey is used in the treatment of eye diseases, bronchial asthma, throat infections, tuberculosis, thirst, hiccups, fatigue, dizziness, hepatitis, constipation, worm infestation, piles, eczema, healing of ulcers, and wounds and used as a nutritious supplement...
April 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28539717/caspase-mediated-apoptotic-effects-of-ebenus-boissieri-barbey-extracts-on-human-cervical-cancer-cell-line-hela
#17
Ece Simsek, Nilufer Imir, Esra Arslan Aydemir, Ramazan Suleyman Gokturk, Erdem Yesilada, Kayahan Fiskin
BACKGROUND: Ebenus boissieri Barbey is an Antalya, Turkey-endemic plant belonging to Fabaceae family. The aerial parts and the roots of E. boissieri Barbey were used in this study. OBJECTIVE: In the present study, we have examined the apoptotic effects of hydroalcoholic extracts of E. boissieri Barbey in human cervical cancer cell line HeLa. MATERIALS AND METHODS: To determine the cytotoxic effect, cells were treated with various concentrations of extracts for 24, 48, and 72 h incubation periods...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28539531/synergistic-activity-of-an-antimetabolite-drug-and-tyrosine-kinase-inhibitors-against-breast-cancer-cells
#18
Yushan Wu, Dongxing Zhang, Baofan Wu, Yuan Quan, Dongwu Liu, Yanyan Li, Xiuzhen Zhang
Antimetabolite drugs, including the adenosine deaminase inhibitor cladribine, have been shown to induce apoptosis in a variety of cancer cells, and have been widely used in clinical trials of various cancers in conjunction with tyrosine kinase inhibitors (TKIs). Combination treatment with cladribine and gefitinib or dasatinib is expected to have a synergistic inhibitory effect on breast cancer cell growth. Our results demonstrated that the combination treatment had synergistic activity against MCF-7 cells, enhanced G2/M cell arrest and ROS generation, and increased the loss of mitochondrial membrane potential and cell apoptosis...
May 25, 2017: Chemical & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28538876/combination-therapy-with-butyrate-and-docosahexaenoic-acid-for-keloid-fibrogenesis-an-in-vitro-study
#19
Kazuhiro Torii, Noriaki Maeshige, Michiko Aoyama-Ishikawa, Makoto Miyoshi, Hiroto Terashi, Makoto Usami
Background: A single, effective therapeutic regimen for keloids has not been established yet, and the development of novel therapeutic approaches is expected. Butyrate, a short-chain fatty acid, and docosahexaenoic acid (DHA), a ω-3 polyunsaturated fatty acid, play multiple anti-inflammatory and anticancer roles via their respective mechanisms of action. Objective: In this study, we evaluated the antifibrogenic effects of their single and combined use on keloid fibroblasts...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28538206/spectroscopic-far-or-terahertz-mid-infrared-and-raman-investigation-thermal-analysis-and-biological-activity-of-piplartine
#20
Anubha Srivastava, T Karthick, B D Joshi, Rashmi Mishra, Poonam Tandon, A P Ayala, Javier Ellena
Research in the field of medicinal plants including Piper species like long pepper (Piper longum L.- Piperaceae) is increasing all over the world due to its use in traditional and Ayurvedic medicine. Piplartine (piperlongumine, 5,6-dihydro-1-[(2E)-1-oxo-3-(3,4,5-trimethoxyphenyl)-2-propenyl]-2(1H)-pyridinone), a biologically active alkaloid/amide was isolated from the phytochemical investigations of Piper species, as long pepper. This alkaloid has cytotoxic, anti-fungal, anti-diabetic, anti-platelet aggregation, anti-tumoral, anxiolytic, anti-depressant, anti-leishmanial, and genotoxic activities, but, its anticancer property is the most promising and has been widely explored...
May 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
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