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Plant extract and cancer

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https://www.readbyqxmd.com/read/28718813/suppression-of-nrf2-activity-by-chestnut-leaf-extract-increases-chemosensitivity-of-breast-cancer-stem-cells-to-paclitaxel
#1
Yaejin Woo, Jisun Oh, Jong-Sang Kim
Due to metastatic potential and drug resistance, cancer stem cells (CSCs) have become a critical target for the development of chemotherapeutic agents. Recent studies showed that CSCs highly express NF-E2-related factor 2 (Nrf2)-mediated antioxidant enzymes and thereby retain relatively low levels of reactive oxygen species (ROS). Since anticancer agents usually utilize ROS as an arsenal for killing cancer cells, we hypothesized that inhibition of Nrf2 activity could increase the sensitivity of CSCs to anticancer drugs, and thus enhancing their therapeutic efficacy...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28716103/cytotoxic-activity-of-extracts-and-crude-saponins-from-zanthoxylum-armatum-dc-against-human-breast-mcf-7-mda-mb-468-and-colorectal-caco-2-cancer-cell-lines
#2
Fiaz Alam, Qazi Najum Us Saqib, Abdul Waheed
BACKGROUND: Zanthoxylum armatum DC has been an important traditional plant known for its medicinal properties. It is well known for its antimicrobial, larvicidal and cytotoxic activities. METHODS: The potential anticancer effects of the methanol extract and the crude saponins from fruit, bark and leaves of Z. armatum on breast (MDA-MB-468 and MCF-7) and colorectal (Caco-2) cancer cell lines using MTT, neutral red uptake(NRU) and DAPI stain assays were evaluated...
July 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28716085/the-protective-effect-of-fermented-curcuma-longa-l-on-memory-dysfunction-in-oxidative-stress-induced-c6-gliomal-cells-proinflammatory-activated-bv2-microglial-cells-and-scopolamine-induced-amnesia-model-in-mice
#3
Cheong-Su Eun, Jong-Soon Lim, Jihye Lee, Sam-Pin Lee, Seun-Ah Yang
BACKGROUND: Curcuma longa L. is a well-known medicinal plant that has been used for its anti-cancer, neuroprotective, and hepatoprotective effects. However, the neuroprotective effect of fermented C. longa (FCL) has not been reported. Therefore, in this study, the effectiveness of FCL for the regulation of memory dysfunction was investigated in two brain cell lines (rat glioma C6 and murine microglia BV2) and scopolamine-treated mice. METHODS: C. longa powder was fermented by 5% Lactobacillus plantarum K154 containing 2% (w/v) yeast extract at 30 °C for 72 h followed by sterilization at 121 °C for 15 min...
July 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28715604/antioxidant-activities-and-phenolic-compounds-of-several-tissues-of-pawpaw-asimina-triloba-l-dunal-grown-in-korea
#4
Jin-Sik Nam, Hye-Lim Jang, Young Ha Rhee
Pawpaw (Asimina triloba [L.] Dunal) possesses antioxidant compounds and strong inhibitors of cancer cells, and is widely cultivated in North America, Canada, and Korea. We analyzed the total phenolic and total flavonoid contents (TPC and TFC, respectively) of pawpaw plants grown in Korea and the antioxidant activities of their roots, twigs, leaves, and fruit with respect to 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical scavenging activity, 2,2'-azino-bis diammonium salt (ABTS) radical scavenging activity, ferrous (Fe(2+) ) chelating ability, and nitrite scavenging activity...
July 17, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28712477/phytochemical-analysis-and-cytotoxicity-evaluation-of-kelussia-odoratissima-mozaff
#5
Amir Abbas Momtazi, Omid Askari-Khorasgani, Elham Abdollahi, Hojjat Sadeghi-Aliabadi, Forough Mortazaeinezhad, Amirhossein Sahebkar
BACKGROUND: Kelussia odoratissima Mozaff. (Apiaceae) is an edible, indigenous, and ethnomedicinal plant that grows only in Iran. Although antioxidant and anti-inflammatory properties of K. odoratissima have been reported, cytotoxic activity of this plant has not been investigated previously. OBJECTIVE: This study aims to evaluate the cytotoxicity of K. odoratissima leaf extract against a panel of human cancer cell lines. A secondary aim was to perform a phytochemical analysis of the plant's leaf oil...
June 2017: Journal of Acupuncture and Meridian Studies
https://www.readbyqxmd.com/read/28705037/saffron-and-its-derivatives-crocin-crocetin-and-safranal-a-patent-review
#6
Maryam Rameshrad, Bibi Marjan Razavi, Hossein Hosseinzadeh
Saffron and its main components have traditionally been used as pharmaceutical agents. Current experimental research projects have also exhibited their applications in a wide spectrum of disorder treatments. Area covered: This review covers the demonstrated findings and patents on therapeutic/pharmaceutical properties of saffron and related derivatives, since 2000 to bold their outstanding merit on human health. An extensive literature review was performed in USP Patent, Patentscope, Espacenet and Google Patent in the field of CNS, cardiovascular, urogenital, dermatological and inflammatory disorders...
July 13, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28702133/cytotoxic-effect-of-rosemary-extract-on-gastric-adenocarcinoma-ags-and-esophageal-squamous-cell-carcinoma-kyse30-cell-lines
#7
Neamat Karimi, Jalil Rashedi, Behroz Mahdavi Poor, Sepideh Arabi, Maryam Ghorbani, Nahideh Tahmasebpour, Mohammad Asgharzadeh
AIM: The present study was conducted to survey the potential cytotoxic influence of freeze-dried aqueous extract of its fruits on gastrointestinal cell lines, namely AGS (human gastric carcinoma) and KYSE30 (human esophageal squamous cell carcinoma. BACKGROUND: Rosemary (Rosmarinus officinalis) is a wild medicinal plant shown to have anticancer activity. Carnosic and rosmarinic acids are compounds, obtained from it through several extraction methods. METHODS: The aqueous extract of the fruits of R...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28699009/bio-fabrication-of-silver-nanoparticles-using-the-leaf-extract-of-an-ancient-herbal-medicine-dandelion-taraxacum-officinale-evaluation-of-their-antioxidant-anticancer-potential-and-antimicrobial-activity-against-phytopathogens
#8
Rijuta G Saratale, Giovanni Benelli, Gopalakrishnan Kumar, Dong Su Kim, Ganesh D Saratale
In recent years, the use of nanoparticle-based antimicrobials has been increased due to many advantages over conventional agrochemicals. This study investigates the utilization of common medicinal plant dandelion, Taraxacum officinale, for the synthesis of silver nanoparticles (TOL-AgNPs). AgNPs were evaluated for antimicrobial activity against two important phytopathogens, Xanthomonas axonopodis and Pseudomonas syringae. The morphology, size, and structure of TOL-AgNPs were characterized using UV-visible spectroscopy and X-ray diffraction (XRD)...
July 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28698154/panax-ginseng-and-panax-quinquefolius-from-pharmacology-to-toxicology
#9
REVIEW
Cesare Mancuso, Rosaria Santangelo
The use of Panax ginseng and Panax quinquefolius in traditional Chinese medicine dates back to about 5000 years ago thanks to its several beneficial and healing properties. Over the past few years, extensive preclinical and clinical evidence in the scientific literature worldwide has supported the beneficial effects of P. ginseng and P. quinquefolius in significant central nervous system, metabolic, infectious and neoplastic diseases. There has been growing research on ginseng because of its favorable pharmacokinetics, including the intestinal biotransformation which is responsible for the processing of ginsenosides - contained in the roots or extracts of ginseng - into metabolites with high pharmacological activity and how such principles act on numerous cell targets...
July 8, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28694749/variability-of-antioxidant-and-biological-activities-of-rhus-tripartitum-related-to-phenolic-compounds
#10
Hanène Ben Miled, Mariem Saada, Ines Jallali, Zaineb Ben Barka, Mounira Tlili, Hichem Alimi, Mohsen Sakly, Khémais Ben Rhouma, Manef Abderrabba, Hafedh Abdelmelek, Olfa Tebourbi, Riadh Ksouri
Rhus species are known in traditional medicine for their therapeutic virtue and their extracts showed numerous important properties including antimalarial, antimicrobial, antiviral, and hypoglycemic and anticonvulsant activities. Rhus tripartitum (Ucria) is a medicinal plant widely used in Tunisia folk medicine against chronic diarrhea and gastric ulcer. This study was designed to examine in vitro and ex vivo antioxidant, anti-inflammatory and anticancer activities of four extracts of Rhus tripartitum root cortex with increasing solvent polarity (hexane, dichloromethane, methanol and water)...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28685685/hemicellulose-from-plant-biomass-in-medical-and-pharmaceutical-application-a-critical-review
#11
Xinxin Liu, Qixuan Lin, Yuhuan Yan, Fenf Peng, Runcang Sung, Junli Ren
Hemicellulose is the second most abundant plant polysaccharides after cellulose. Due to the non-toxicity, abundance and biodegradability, recently more and more attention has been focused on the exploration of hemicellulose as the potential substrate for the production of liquid fuels and other value-added chemicals and materials in different fields. Especially in the pharmaceutical and medical field, hemicellulose currently has aroused growing concern in immune regulation, bacteria inhibition, drug release, anti-caries, scaffold materials and anti-tumor because of its unique special physiological characteristics including biocompatibility, inhibiting cell mutation and anti-cancer effect, etc...
July 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28683180/multiconstituent-identification-in-root-branch-and-leaf-extracts-of-juglans-mandshurica-using-ultra-high-performance-liquid-chromatography-with-quadrupole-time-of-flight-mass-spectrometry
#12
Tian-Min Wang, Jing Liu, Tao Yi, Yan-Jun Zhai, Hui Zhang, Hu-Biao Chen, Shao-Qing Cai, Ting-Guo Kang, Zhong-Zhen Zhao
As a folk medicinal plant, Juglans mandshurica has been used for the treatment of cancer. Different organs of this plant showed anti-tumor activity in clinic and laboratory. Comparative identification of constituents in different plant organs is essential for investigation of the relationship between chemical constituents and pharmacological activities. For this aim, the roots, branches, and leaves of J. mandshurica were extracted with 50% v/v methanol and then subjected to ultra high performance liquid chromatography with quadrupole time-of-flight mass spectrometry analysis conducted under low and high energy...
July 6, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28681622/indigofera-tinctoria-leaf-extract-mediated-green-synthesis-of-silver-and-gold-nanoparticles-and-assessment-of-their-anticancer-antimicrobial-antioxidant-and-catalytic-properties
#13
Remya Vijayan, Siby Joseph, Beena Mathew
This study reports the synthesis of noble metal nanoparticles, namely silver and gold from their respective salt by leaf extract of a medicinal plant Indigofera tinctoria. This leaf extract plays a dual role as stabilizing and reducing agent for the formation of nanoparticles. The synthesized silver and gold nanoparticles were characterized by UV-vis. spectroscopy, FTIR spectroscopy, XRD, TEM, EDX and AFM analysis. All these techniques confirm the formation of crystalline nanoparticles. The cytotoxic effect of I...
July 6, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28679629/evaluation-of-ethyl-gallate-for-its-antioxidant-and-anticancer-property-against-chemical-induced-tongue-carcinogenesis-in-mice
#14
Shalini Mohan, Kalaivani Thiagarajan, Rajasekaran Chandrasekaran
Cancer raised in the oral cavity is one of the major causes of mortality worldwide and demand immediate attention. Regardless of the use of advanced treatment for oral cancer, successful treatment with cancer survival is less. Currently available drugs are though effective against cancer, treatment without toxic effects remains essential. This is quiet challenging leading to the identification of natural bioactive compounds for oral cancer treatment. Thus, a plant extract rich in phenolics was preferred to study the cellular, biochemical and molecular changes associated with oral carcinogenesis...
July 5, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28672215/silymarin-impacts-on-immune-system-as-an-immunomodulator-one-key-for-many-locks
#15
REVIEW
Nafiseh Esmaeil, Sima Balouchi Anaraki, Marjan Gharagozloo, Behjat Moayedi
Silymarin is a flavonoid complex extracted from the Silybum marianum plant. It acts as a strong antioxidant and free radical scavenger by different mechanisms. But in addition to antioxidant effects, silymarin/silybin reveals immunomodulatory affects with both immunostimulatory and immunosuppression activities. Different studies have shown that silymarin has the anti-inflammatory effect through the suppression of NF-κB signaling pathway and TNF-α activation. It also has different immunomodulatory activities in a dose and time-dependent manner...
June 30, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28669771/antidiabetic-antioxidant-and-anti-inflammatory-properties-of-water-and-n-butanol-soluble-extracts-from-saharian-anvillea-radiata-in-high-fat-diet-fed-mice
#16
Chouaib Kandouli, Mathieu Cassien, Anne Mercier, Caroline Delehedde, Emilie Ricquebourg, Pierre Stocker, Mourad Mekaouche, Zineb Leulmi, Aicha Mechakra, Sophie Thétiot-Laurent, Marcel Culcasi, Sylvia Pietri
ETHNOPHARMACOLOGICAL RELEVANCE: According to Saharian traditional medicine, Anvillea radiata Coss. & Dur. (Asteraceae) has been valued for treating a variety of ailments such as gastro-intestinal, liver and pulmonary diseases, and has gained awareness for its beneficial effect on postprandial hyperglycemia. However, to best of our knowledge, no detailed study of the antidiabetic curative effects of this plant has been conducted yet. AIM OF THE STUDY: To determine the hypoglycemic and antidiabetic effect of dietary supplementation with Anvillea radiata extracts on high-fat-diet (HFD)-induced obesity and insulin resistance in C57BL/6J mice in relation with antioxidant, anti-inflammatory, pancreatic beta-cells and skeletal muscle protection, and digestive enzyme inhibiting properties...
June 30, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28667386/a-label-free-electrochemical-biosensor-based-on-tubulin-immobilized-on-gold-nanoparticle-glassy-carbon-electrode-for-the-determination-of-vinblastine
#17
Esmaeel Haghshenas, Tayyebeh Madrakian, Abbas Afkhami, Haidar Saify Nabiabad
Vinblastine (VLB) is prescribed for a wide variety of cancers. Therefore, development of sensitive methods for early diagnosis is urgently required. In this work, a highly sensitive and label-free impedimetric biosensor was fabricated for the electrochemical detection of VLB. First, the gold nanoparticles (AuNPs) were electrodeposited on the surface of a glassy carbon electrode (GCE). 3-Mercaptopropionic acid (MPA) was self-assembled over the AuNPs. Then, tubulin (TUB), as a receptor, was covalently immobilized at the AuNPs/GCE surface via carbodiimide coupling reaction using N-(3 dimethylaminopropyl)-N'-ethyl carbodiimide (EDC) and N-hydroxy succinimide (NHS)...
June 30, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28664158/celastrol-a-spectrum-of-treatment-opportunities-in-chronic-diseases
#18
REVIEW
Rita Cascão, João E Fonseca, Luis F Moita
The identification of new bioactive compounds derived from medicinal plants with significant therapeutic properties has attracted considerable interest in recent years. Such is the case of the Tripterygium wilfordii (TW), an herb used in Chinese medicine. Clinical trials performed so far using its root extracts have shown impressive therapeutic properties but also revealed substantial gastrointestinal side effects. The most promising bioactive compound obtained from TW is celastrol. During the last decade, an increasing number of studies were published highlighting the medicinal usefulness of celastrol in diverse clinical areas...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28661449/comparative-analysis-of-saponins-from-different-phytolaccaceae-species-and-their-antiproliferative-activities
#19
Flora Didii Saleri, Guilin Chen, Xun Li, Mingquan Guo
The quality and the efficacy of herbal medicine are of great concern especially with the increase in their global use. Medicinal plants of different species or collected from different geographical regions have shown variations in both their contents and pharmacological activities due to the differences in the environmental conditions of the collected sites. In this study, roots of Phytolacca acinosa found in different provinces in south China (Sichuan and Shandong) and a species of Phytolacca americana were investigated...
June 29, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28659804/in-vitro-antiproliferative-activity-of-extracts-of-carlina-acaulis-subsp-caulescens-and-carlina-acanthifolia-subsp-utzka
#20
Maciej Strzemski, Kamil Wojnicki, Ireneusz Sowa, Kamila Wojas-Krawczyk, Paweł Krawczyk, Ryszard Kocjan, Justyna Such, Michał Latalski, Artur Wnorowski, Magdalena Wójciak-Kosior
Various species of the Carlina genus have been used in traditional medicine in many countries to treat numerous skin disorders, including cancer. The objective of this work was to assess the anticancer properties of root and leaf extracts from Carlina acaulis subsp. caulescens and C. acanthifolia subsp. utzka. Anti-tumor properties of the extracts were explored using a tetrazolium-based cell viability assay and flow cytometric apoptosis analysis, followed by immunodetection of phosphoactive ERK1/2 in UACC-903, C32, and UACC-647 human melanoma cell lines...
2017: Frontiers in Pharmacology
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