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Plant extract and cancer

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https://www.readbyqxmd.com/read/29933620/ethyl-acetate-extract-of-scindapsus-cf-hederaceus-exerts-the-inhibitory-bioactivity-on-human-non-small-cell-lung-cancer-cells-through-modulating-er-stress
#1
Chon-Kit Chou, Wangta Liu, Yu-Jie Hong, Hans-Uwe Dahms, Chen-Hao Chiu, Wen-Tsan Chang, Ching-Ming Chien, Chia-Hung Yen, Yuan-Bin Cheng, Chien-Chih Chiu
Unfolded protein response (UPR) is a cytoprotective mechanism that alleviates the protein-folding burden in eukaryotic organisms. Moderate activation of UPR is required for maintaining endoplasmic reticulum (ER) homeostasis and profoundly contributes to tumorigenesis. Defects in UPR signaling are implicated in the attenuation of various malignant phenotypes including cell proliferation, migration, and invasion, as well as angiogenesis. This suggests UPR as a promising target in cancer therapy. The pharmacological effects of the plant Scindapsus cf...
June 21, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29933016/potential-therapeutic-applications-of-the-genus-annona-local-and-traditional-uses-and-pharmacology
#2
REVIEW
A M Quílez, M A Fernández-Arche, M D García-Giménez, R De la Puerta
ETHNO-PHARMACOLOGICAL RELEVANCE: Annona species (Annonaceae) have long been used as traditional herbal medicines by native peoples in tropical areas. In different countries they are used against a large variety of illnesses, such as parasitic and infectious diseases, cancer, diabetes, peptic ulcers, and mental disorders. AIM OF THE STUDY: This review aims to achieve a comprehensive understanding of the research conducted so far on the local and traditional uses, pharmacological activities, mechanism of actions of active compounds, toxicity, and possible interactions with other drugs of the Annona species...
June 19, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29928972/metabolic-profiling-and-correlation-analysis-for-the-determination-of-killer-compounds-of-proliferating-and-clonogenic-hrt-18-colon-cancer-cells-from-lafoensia-pacari
#3
Cristiane Loiva Reichert, Denise Brentan da Silva, Carlos Alexandre Carollo, Almeriane Maria Weffort-Santos, Cid Aimbiré de Moraes Santos
ETHNOPHARMACOLOGICAL RELEVANCE: Lafoensia pacari A. St.-Hil., belonging to the family Lythraceae and popularly known as 'dedaleira' and 'mangava-brava,' is a native tree of the Brazilian Cerrado, and its barks have been traditionally used as a tonic to treat inflammatory conditions, particularly related to gastric ulcers, wounds or fevers and various types of cancer. AIM OF THE STUDY: We have previously demonstrated the apoptogenic effects of the methanolic extract of L...
June 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29925807/cytotoxic-triterpenes-from-salacia-crassifolia-and-metabolite-profiling-of-celastraceae-species
#4
Laila S Espindola, Renata G Dusi, Daniel P Demarque, Raimundo Braz-Filho, Pengcheng Yan, Heidi R Bokesch, Kirk R Gustafson, John A Beutler
The new pentacyclic triterpene 11 β -hydroxypristimerin ( 1 ), along with the known metabolites pristimerin ( 2 ), 6-oxopristimerol ( 3 ) and vitideasin ( 4 ), were isolated from a Salacia crassifolia root wood extract, following a bioassay-guided fractionation approach. Both the extract and the purified triterpenes displayed pronounced cytotoxic activity against human cancer cell lines. The NCI-60 cell line screen revealed that compound 2 was the most active, with a mean GI50 of 0.17 μM, while compound 1 had a mean GI50 of 8...
June 20, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29914183/graviola-annona-muricata-exerts-anti-proliferative-anti-clonogenic-and-pro-apoptotic-effects-in-human-non-melanoma-skin-cancer-uw-bcc1-and-a431-cells-in-vitro-involvement-of-hedgehog-signaling
#5
Jean Christopher Chamcheu, Islam Rady, Roxane-Cherille N Chamcheu, Abu Bakar Siddique, Melissa B Bloch, Sergette Banang Mbeumi, Abiola S Babatunde, Mohammad B Uddin, Felicite K Noubissi, Peter W Jurutka, Yong-Yu Liu, Vladimir S Spiegelman, G Kerr Whitfield, Khalid A El Sayed
Non-melanoma skin cancers (NMSCs) are the leading cause of skin cancer-related morbidity and mortality. Effective strategies are needed to control NMSC occurrence and progression. Non-toxic, plant-derived extracts have been shown to exert multiple anti-cancer effects. Graviola ( Annona muricata ), a tropical fruit-bearing plant, has been used in traditional medicine against multiple human diseases including cancer. The current study investigated the effects of graviola leaf and stem extract (GLSE) and its solvent-extracted fractions on two human NMSC cell lines, UW-BCC1 and A431...
June 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29909120/integrated-in-silico-in-vitro-strategy-for-screening-of-some-traditional-egyptian-plants-for-human-aromatase-inhibitors
#6
Hend M Dawood, Reham S Ibrahim, Eman Shawky, Hala M A Hammoda, Aly M Metwally
ETHNOPHARMACOLOGICAL RELEVANCE: Aromatase enzyme (CYP19) is widely known as a critical target protein for treating hormone-dependent breast cancer. Natural products from traditional medicinal plants continue to be an active source of aromatase inhibitors. Meanwhile, high cost of experimental work and low hit rate associated with HTS have stimulated the implementation of in-silico virtual screening to resolve these pitfalls, where coupling of both classical wet lab procedure and VS may offer a more deepened access to bioactive compounds with less work and time waste...
June 14, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29900385/in-vitro-studies-data-on-anticancer-activity-of-caesalpinia-sappan-l-heartwood-and-leaf-extracts-on-mcf7-and-a549-cell-lines
#7
Arunkumar Naik Bukke, Fathima Nazneen Hadi, K Suresh Babu, P Chandramati Shankar
This article contains data on in vitro cytotoxicity activity of chloroform, methanolic and water extracts of leaf and heartwood of Caesalpinia sappan L. a medicinal plant against Breast cancer (MCF-7) and Lung cancer (A-549) cells. This data shows that Brazilin A, a natural bioactive compound in heartwood of Caesalpinia sappan L. induced cell death in breast cancer (MCF-7) cells. The therapeutic property was further proved by docking the Brazilin A molecule against BCL-2 protein (an apoptotic inhibitor) using auto dock tools...
August 2018: Data in Brief
https://www.readbyqxmd.com/read/29894418/an-array-of-bioactive-compounds-from-australian-eucalypts-and-their-relevance-in-pancreatic-cancer-therapeutics
#8
Deep Jyoti Bhuyan, Quan V Vuong, Anita C Chalmers, Michael C Bowyer, Christopher J Scarlett
Pancreatic cancer (PC) is one of the most devastating human cancers, and despite the significant advances in the current therapeutic options, the overall survival rate for PC has remained static for the past 50 years. Plant-derived bioactive compounds play a vital role in cancer therapeutics by providing new lead compounds for future drug development. Therefore, the isolation, characterization, and identification of new bioactive compounds for the prevention and treatment of cancer continue to be an important aspect of natural product research...
July 2018: Pancreas
https://www.readbyqxmd.com/read/29892499/-chemical-profiling-and-biological-activity-of-peperomia-blanda-jacq-kunth
#9
Wafa M Al-Madhagi, Najihah Mohd Hashim, Nasser A Awad Ali, Abeer A Alhadi, Siti Nadiah Abdul Halim, Rozana Othman
Background: Peperomia belongs to the family of Piperaceae. It has different uses in folk medicine and contains rare compounds that have led to increased interest in this genus. Peperomia blanda (Jacq.) Kunth is used as an injury disinfectant by Yemeni people. In addition, the majority of Yemen's population still depend on the traditional remedy for serious diseases such as cancer, inflammation and infection. Currently, there is a deficiency of scientific evidence with regards to the medicinal plants from Yemen...
2018: PeerJ
https://www.readbyqxmd.com/read/29891772/cytotoxicity-of-plant-mediated-synthesis-of-metallic-nanoparticles-a-systematic-review
#10
REVIEW
Nurul Akma Hanan, Hock Ing Chiu, Muggundha Raoov Ramachandran, Wai Hau Tung, Nur Nadhirah Mohamad Zain, Noorfatimah Yahaya, Vuanghao Lim
In the field of medicine, nanomaterials, especially those derived using the green method, offer promise as anti-cancer agents and drug carriers. However, the biosafety of metallic nanoparticles used as anti-cancer agents remains a concern. The goal of this systematic review was to compare the cytotoxicity of different plant-mediated syntheses of metallic nanoparticles based on their potency, therapeutic index, and cancer cell type susceptibility in the hopes of identifying the most promising anti-cancer agents...
June 11, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29890668/anti-tumorigenic-activity-of-chrysin-from-oroxylum-indicum-via-non-genotoxic-p53-activation-through-the-atm-chk2-pathway
#11
Mai Nagasaka, Ryoko Hashimoto, Yasumichi Inoue, Kan'ichiro Ishiuchi, Michiyo Matsuno, Yuka Itoh, Muneshige Tokugawa, Nobumichi Ohoka, Daisuke Morishita, Hajime Mizukami, Toshiaki Makino, Hidetoshi Hayashi
The p53 tumor suppressor plays critical roles in cell cycle regulation and apoptotic cell death in response to various cellular stresses, thereby preventing cancer development. Therefore, the activation of p53 through small molecules is an attractive therapeutic strategy for the treatment of cancers retaining wild-type p53. We used a library of 700 Myanmar wild plant extracts to identify small molecules that induce p53 transcriptional activity. A cell-based screening method with a p53-responsive luciferase-reporter assay system revealed that an ethanol extract of Oroxylum indicum bark increased p53 transcriptional activity...
June 8, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29884360/oligostilbenoids-in-vitis-vinifera-l-pinot-noir-grape-cane-extract-isolation-characterization-in-vitro-antioxidant-capacity-and-anti-proliferative-effect-on-cancer-cells
#12
Vania Sáez, Edgar Pastene, Carola Vergara, Claudia Mardones, Isidro Hermosín-Gutiérrez, Sergio Gómez-Alonso, M Victoria Gómez, Cristina Theoduloz, Sebastián Riquelme, Dietrich von Baer
The following oligostilbenoids were isolated from extracts of Vitis vinifera L. Pinot Noir grape canes produced at a pilot-plant scale: (E)-ε-viniferin, (E)-resveratrol, (E)-piceatannol, ampelopsin A, vitisin B, pallidol, (E)-δ-viniferin, (E)-ω-viniferin, (E)-trans-cis-miyabenol C, isorhapontigenin, scirpusin A, and a new isomer named isoscirpusin A. The antioxidant capacity of the isolated stilbenoids was studied by three different assays, and their 50% inhibition concentration (IC50 ) against cancer cells was determined by MTT reduction assay...
November 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29883720/proteomic-analysis-of-honokiol-induced-cytotoxicity-in-thyroid-cancer-cells
#13
Hsiu-Chuan Chou, Chieh-Hsiang Lu, Yi-Ching Su, Li-Hsun Lin, Hui-I Yu, Hsiang-Hsun Chuang, Yi-Ting Tsai, En-Chi Liao, Yu-Shan Wei, Yi-Ting Yang, Yu-An Chien, Xin-Ru Yu, Ying-Ray Lee, Hong-Lin Chan
AIMS: Honokiol is a natural product extracted from herbal plants such as the Magnolia species which have been shown to exhibit anti-tumor and anti-metastatic properties. However, the effects of honokiol on thyroid cancers are largely unknown. MATERIALS AND METHODS: To determine whether honokiol might be useful for the treatment of thyroid cancer and to elucidate the mechanism of toxicity of honokiol, we analyzed the impact of honokiol treatment on differential protein expression in human thyroid cancer cell line ARO using lysine-labeling two-dimensional difference gel electrophoresis (2D-DIGE) combined with mass spectrometry (MS)...
June 5, 2018: Life Sciences
https://www.readbyqxmd.com/read/29881709/-cuscuta-campestris-induces-apoptosis-by-increasing-reactive-oxygen-species-generation-in-human-leukemic-cells
#14
Maliheh Moradzadeh, Azar Hosseini, Hasan Rakhshandeh, Azita Aghaei, Hamid Reza Sadeghnia
Objective: Cuscuta campestris or common dodder is a holoparasitic plant that has been valorized for treatment of liver injury and cancer prevention in traditional medicine. Recently, extract of C. campestris had shown moderate antimicrobial properties and cytotoxic effects. In this study, we examined the level of cellular oxidants, cytotoxicity, apoptosis and differentiation induced by hydroalcoholic extract of C. campestris (CCE) (12.5-200 µg/ml), as well as arsenic trioxide (As2 O3 , 50 µM), in human leukemic (HL60 and NB4) and normal polymorph nuclear cells after 72 hr treatment...
May 2018: Avicenna Journal of Phytomedicine
https://www.readbyqxmd.com/read/29881420/silver-nanoparticles-synthesized-coating-with-zataria-multiflora-leaves-extract-induced-apoptosis-in-hela-cells-through-p53-activation
#15
Javad Baharara, Tayebe Ramezani, Nasrein Hosseini, Marzieh Mousavi
The biosynthesis of nanoparticles is widely considered today. This investigation was aimed at the biosynthesis and coating of Ag.NPs with Zataria multiflora ( Zm- Ag.NPs) leaf extract and assessment of its apoptosis promoting effects. The Zm -Ag.NPs was characterized by UV-visible and FTIR spectroscopy, TEM, EDS, DLS, and measurement of zeta-potential. Apoptosis induction effects of Zm- Ag.NPs were assessed using acridine orange - propidium iodide ( AO/PI), DAPI staining, caspase3/9 activation assay, and annexinV/PI assay...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29879628/biogenic-gold-nanoparticles-synthesis-mediated-by-mangifera-indica-seed-aqueous-extracts-exhibits-antibacterial-anticancer-and-anti-angiogenic-properties
#16
Selvaraj Vimalraj, Thirunavukkarasu Ashokkumar, Sekaran Saravanan
During the last few decades, gold nanoparticles (AuNP's) have gained considerable attention in nanomedicine and expanded its application in clinical diagnosis and as therapeutics. Employing plant extract for synthesising gold nanoparticles proves to be an eco-friendly technology for large scale production. It is highly economical and suitable for biological applications by negating the use of chemicals involved in conventional route. In this study, AuNP's was prepared by a simple one step method of employing aqueous Mangifera indica seed extract as a reducing agent...
June 4, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29879588/the-protective-effect-of-some-thai-plants-and-their-bioactive-compounds-in-uv-light-induced-skin-carcinogenesis
#17
Madhura B de Silva, Tewin Tencomnao
Skin cancer, represents a major public health concern. While the vast majority is non-melanoma skin cancers, melanomas are mostly responsible for mortality. Solar UVB radiation is mutagenic and carcinogenic. It is primarily responsible for both non-melanoma and melanoma skin cancers via excessive production of reactive oxygen species (ROS), which mediate changes in inflammation and immunity, and have been implicated in all three stages of skin cancer development. Due to their regulatory role in numerous functions of cells, signaling pathways are targets for chemoprevention...
May 2, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29873254/polyphenolic-profiling-of-ipomoea-carnea-jacq-by-hplc-dad-and-its-implications-in-oxidative-stress-and-cancer
#18
Muhammad Zafar Irshad Khan, Syeda Saniya Zahra, Madiha Ahmed, Humaira Fatima, Bushra Mirza, Ihsan-Ul Haq, Shafi Ullah Khan
Ipomoea carnea Jacq. is an important folklore medicinal plant, assessed for its underexplored biological potential. Antioxidant, cytotoxic, antiproliferative and polyphenolic profile of whole plant was evaluated using various techniques. Maximum extract recovery (29% w/w), phenolic [13.54 ± 0.27 μg GAE/mg dry weight (DW)] and flavonoid (2.11 ± 0.10 μg QE /mg DW) content were recorded in methanol-distilled water (1:1) flower extract. HPLC-DAD analysis quantified substantial amount of six different polyphenols ranging from 0...
June 6, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29864935/antiproliferative-and-toxicological-properties-of-drimanes-obtained-from-drimys-brasiliensis-stem-barks
#19
Eduarda Fratoni, Amanda Ellen de Athayde, Marina da Silva Machado, Tailyn Zermiani, Ivonilce Venturi, Matheus Corrêa Dos Santos, Fabiane Lobato, Valdir Cechinel Filho, Gilberto Carlos Franchi, Alexandre Eduardo Nowill, José Roberto Santin, Angela Malheiros
Stem barks of Drimys brasiliensis (Winteraceae) are consumed by the population in the form of a condiment. It is widely used to treat gastric and stomach problems and also to treat cancer. The extracts have demonstrated antiproliferative, antileishmanial and antimicrobial activities assigned to drimane sesquiterpenes. This study aimed to optimize the extraction conditions of the drimanes sesquiterpenes identified as 1-β-(p-coumaroyloxy)-polygodial 1, drimanial 2 and 1-β-(p-methoxycinnamoyl)-polygodial 3 in stem bark extracts...
July 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29851485/selected-methods-of-extracting-carotenoids-characterization-and-health-concern-a-review
#20
Parise Adadi, Barakova Nadezhda Vasilyevna, Elena Fedorovna Krivoshapkina
Carotenoids are the most powerful nutrients (medicine) on earth due to their potent antioxidant properties. The ability of these tetraterpenoids in obviating human chronic ailments like cancer, cardiovascular disease, osteoporosis, and diabetes has drawn public attention toward these novel compounds. Conventionally, carotenoids have been extracted from plant materials and agro-industrial by-product using different solvents, but these procedures result in contaminating the target compound (carotenoids) with extraction solvents...
May 31, 2018: Journal of Agricultural and Food Chemistry
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