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Plant extract and cancer

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https://www.readbyqxmd.com/read/29453086/pegylated-polyaminoacid-capped-mesoporous-silica-nanoparticles-for-mitochondria-targeted-delivery-of-celastrol-in-solid-tumors
#1
Ju Yeon Choi, Biki Gupta, Thiruganesh Ramasamy, Jee-Heon Jeong, Sung Giu Jin, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
The major goal of cancer chemotherapy is to maximize the therapeutic efficacy of anticancer drugs, while minimizing their associated side effects. Celastrol (CST), which is extracted from the traditional Chinese medicinal plant Tripterygium wilfordii, has been reported to exhibit significant anticancer effects in various in vitro and in vivo cancer models. Nanoparticulate drug delivery systems could be employed to preserve and enhance the pharmacological effects of CST in cancer cells. Among these, mesoporous silica nanoparticles (MSNs) are one of the most promising drug delivery systems...
February 11, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29447011/the-genotoxic-and-antigenotoxic-potential-of-the-methanolic-root-extract-of-glycyrrhiza-glabra-l-on-human-peripheral-blood-lymphocytes
#2
Ayşe Yavuz Kocaman, Müge Güzelkokar
Glycyrrhiza glabra L. (licorice) is one of the most important medicinal plants, which is widely used throughout the world both in traditional and contemporary medical industries. This study was undertaken to investigate the potential genotoxic activity of G. glabra methanolic root extract, and its possible antigenotoxic properties against mitomycin C (MMC)-induced DNA damage in in vitro chromosome aberrations (CAs) and cytokinesis-block micronucleus (CBMN) assays in human peripheral blood lymphocytes (PBLs)...
February 15, 2018: Drug and Chemical Toxicology
https://www.readbyqxmd.com/read/29446732/biomedical-potentialities-of-taraxacum-officinale-based-nanoparticles-biosynthesized-using-methanolic-leaf-extract
#3
Tahir Rasheed, Muhammad Bilal, Chuanlong Li, Hafiz M N Iqbal
BACKGROUND: In the present study, the potential of methanolic leaf extract of Taraxacum officinale plant as a function of bio-inspired green synthesis for the fabrication of silver nanoparticles (AgNPs) has been explored. METHODS: The bio-reduction of aqueous silver nitrate (AgNO3) solution was confirmed by visually detecting the color change from pale yellow to blackish-brown. Maximum absorbance was observed at 420 nm due to the presence of characteristic surface Plasmon resonance of nano silver by UV-visible spectroscopy...
February 14, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29445343/medicinal-plants-from-near-east-for-cancer-therapy
#4
REVIEW
Mohammad S Abu-Darwish, Thomas Efferth
Background: Cancer is one of the major problems affecting public health worldwide. As other cultures, the populations of the Near East rely on medicinal herbs and their preparations to fight cancer. Methods: We compiled data derived from historical ethnopharmacological information as well as in vitro and in vivo results and clinical findings extracted from different literature databases including (PubMed, Scopus, Web of Science, and Google Scholar) during the past two decades. Results: In this survey, we analyzed the huge amount of data available on anticancer ethnopharmacological sources used in the Near East...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29445170/brm270-inhibits-cancer-stem-cell-maintenance-via-microrna-regulation-in-chemoresistant-a549-lung-adenocarcinoma-cells
#5
Taeho Kwon, Nisansala Chandimali, Do Luong Huynh, Jiao Jiao Zhang, Nameun Kim, Yesol Bak, Do-Young Yoon, Dae-Yeul Yu, Jae Cheol Lee, Meeta Gera, Mrinmoy Ghosh, Yang Ho Park, Dong Kee Jeong
Chemotherapy is a standard treatment for non-small-cell lung cancer (NSCLC). However, the dose-limiting toxicity of drugs and the development of chemoresistance are major clinical challenges to successful management of NSCLC. Asian traditional medicine is gaining global attention as a non-toxic alternative to chemotherapy. BRM270 is an extract formulated from seven Asian medicinal plants that has been shown to inhibit tumor cell proliferation in diverse cancer types. We previously demonstrated that BRM270 suppresses tumorigenesis by negatively regulating nuclear factor-κB signaling in multidrug-resistant cancer stem cells (CSCs)...
February 14, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29441953/a-cytotoxic-flavonol-glycoside-from-melaleuca-leucadendra-leaves-extract-with-immunostimulant-activity
#6
A N Hashim, N F Swilam, E S Moustafa, S M Bakry, R M Labib, H H Barakat, A B Singab, M W Linscheid, M A Nawwar
Leaves of Melaleuca leucadendra contain the novel flavonol glycoside, myricetin 3-O-β-4C1-galactopyranuronoid. In addition, known fifteen phenolics were identified. All isolates are characterized for the first time from this plant. Structures were established by conventional methods and confirmed by spectral methods of analysis, including one and two-dimensional nuclear magnetic resonance spectroscopy (1D and 2D-NMR) and high resolution electro-spray ionization mass spectrometry (HRESIMS), as well. Assessment of some immunological and biological efficacy, of the extract in combination with a parallel cytotoxicity evaluation, using the method of cellular reduction of 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) technique was carried out...
January 2, 2018: Die Pharmazie
https://www.readbyqxmd.com/read/29435044/soft-shelled-turtle-peptide-modulates-microrna-profile-in-human-gastric-cancer-ags-cells
#7
Yi-Chen Wu, Xiang Liu, Jiu-Li Wang, Xiang-Liu Chen, Lan Lei, Jing Han, You-Shui Jiang, Zhi-Qiang Ling
Cancer prevention using natural micronutrition on epigenetic mechanisms primarily revolves around plant extracts. However, the role of macronutrition, including animal peptides, on epigenetic modification in cancer has been elusive. In traditional Chinese medicine, the soft-shelled turtle has a long-history of being a functional food that strengthens immunity through unknown mechanisms. The present study aimed to investigate the impact of soft-shelled turtle peptide on microRNA (miRNA) expression in gastric cancer (GC) cells and to analyze the potential anticancer mechanisms for GC...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29434869/a-hederagenin-saponin-isolated-from-clematis-ganpiniana-induces-apoptosis-in-breast-cancer-cells-via-the-mitochondrial-pathway
#8
Lin Cheng, Liang Shi, Jing Wu, Xujie Zhou, Xiaoxia Li, Xi Sun, Lei Zhu, Tian-Song Xia, Qiang Ding
Natural plants offer a treasure trove of resources for anticancer drug development. Clematis are widely used in Traditional Chinese Medicine. However, studies on the active substances in Clematis are scarce. In the present study, four monomer compounds were successfully extracted from this species and their inhibitory effects on the growth of breast cancer cells were investigated using bioactivity tests. Among them, Clematis hederagenin saponin (CHS) belongs to the class of triterpenoid saponins. CHS showed cytotoxic effects on breast cancer cells in a dose- and time-dependent manner...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29433673/codonopsis-lanceolata-extract-prevents-hypertension-in-rats
#9
A Young Han, Young Seok Lee, Soonho Kwon, Hui Su Lee, Kwang-Won Lee, Geun Hee Seol
BACKGROUND: Codonopsis lanceolata, a plant with antioxidant, anti-cancer, anti-inflammatory and blood lipid improving effects, has been widely used as a therapeutic agent in traditional medicine. PURPOSE: The present study investigated the ability of an ethanol extract of Codonopsis lanceolata (ECL) to prevent hypertension in hypertensive rats. METHODS: Rats were orally administered daily doses of 0 mg/kg, 200 mg/kg and 400 mg/kg ECL for 3 weeks...
January 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29430965/extraction-optimization-total-phenolic-flavonoid-contents-hplc-dad-analysis-and-diverse-pharmacological-evaluations-of-dysphania-ambrosioides-l-mosyakin-clemants
#10
Tanzeel Zohra, Muhammad Ovais, Ali Talha Khalil, Muhammad Qasim, Muhammad Ayaz, Zabta Khan Shinwari
The present study aims to evaluate phytochemical and pharmacological potentials of Dysphania ambrosioides (L.) Mosyakin & Clemants previously known as Chenopodium ambrosioides L. Extraction was carried out using 14 solvents with wide range of polarity to find out the best solvent system for each bioactivity. Total phenolic and flavonoids contents were measured colorimetrically and polyphenolics were quantified via HPLC-DAD analysis. The samples were screened for inhibitory potentials against free radicals, leishmania, cancer cell lines, protein kinase, α-Amylase enzymes and microbial strains...
February 12, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29430351/salt-stress-relief-potency-of-whortleberry-extract-biopriming-in-maize
#11
Necla Pehlivan
Berries have gained public attention for their presumed positive effects on cancer patients. In contrast, the potential of berries to mitigate damage caused by abiotic stress in plants has not received significant attention. This is the first quantitative analysis of the efficacy of Vaccinium arctostaphylos L. (Ericaceae) fruit extract (VAFE) used to bioprime maize to limit damage caused by salt stress. Salt stressed maize seedlings exhibit lower quantum efficiency of photosystem II (Fv/Fm) and photosynthetic pigment content relative to untreated controls however, Fv/Fm increase caused by VAFE was found marginal...
February 2018: 3 Biotech
https://www.readbyqxmd.com/read/29427634/mucuna-pruriens-l-dc-chemo-sensitize-human-breast-cancer-cells-via-downregulation-of-prolactin-mediated-jak2-stat5a-signaling
#12
Sonam Sinha, Sonal Sharma, Jaykant Vora, Heta Shah, Anshu Srivastava, Neeta Shrivastava
ETHNOPHARMACOLOGICAL RELEVANCE: Mucuna pruriens (L.) DC (MP) is an ancient Indian medicinal plant traditionally used to treat Parkinson's disease. L-Dopa (LD), precursor of dopamine is abundantly found in the seeds of MP. L-dopa is a natural inhibitor of prolactin (PRL) hormone which is required to maintain lactation in women but it's over production (hyperprolactinemia) plays critical role in advancement of breast cancer. AIM OF THE STUDY: We aim to examine the pharmacological effect of LD and MP on this hyperprolactinemia associated breast cancer and related signaling for effective management of the disease...
February 7, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29427593/inhibition-of-aldose-reductase-activity-by-cannabis-sativa-chemotypes-extracts-with-high-content-of-cannabidiol-or-cannabigerol
#13
Antonella Smeriglio, Salvatore V Giofrè, Enza M Galati, Maria T Monforte, Nicola Cicero, Valeria D'Angelo, Gianpaolo Grassi, Clara Circosta
Aldose reductase (ALR2) is a key enzyme involved in diabetic complications and the search for new aldose reductase inhibitors (ARIs) is currently very important. The synthetic ARIs are often associated with deleterious side effects and medicinal and edible plants, containing compounds with aldose reductase inhibitory activity, could be useful for prevention and therapy of diabetic complications. Non-psychotropic phytocannabinoids exert multiple pharmacological effects with therapeutic potential in many diseases such as inflammation, cancer, diabetes...
February 7, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29412798/identification-of-phenolic-compounds-antioxidant-activity-and-anti-cancer-effects-of-the-extract-obtained-from-the-shoots-of-ornithogalum-narbonense%C3%A2-l
#14
İsmail Koyuncu, Ataman Gönel, Abdurrahman Akdağ, Mustafa Abdullah Yilmaz
This study aimed to examine the anti-cancer and antioxidant properties and identify the phenolic content of methanolic extract obtained from the shoots of the Ornithogalum narbonense L. (OR) species, which is used for folk-medicine and food in the Sanliurfa region of Turkey. The antioxidant activity of the extract was investigated using total phenolics, flavonoids, ABTS and CUPRAC methods. Phenolic component analysis of the plant extract was performed by LC-MS/MS. The anti-cancer property of OR extract was investigated on human colon (DLD-1), endometrium (ECC-1) cancer cells and embryonic kidney (HEK-293) cells...
January 31, 2018: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29412669/modified-abietane-diterpenoids-from-whole-plants-of-selaginella-moellendorffii
#15
Lei-Yu Ke, Yu Zhang, Meng-Yuan Xia, Jing-Xian Zhuo, Yue-Hu Wang, Chun-Lin Long
A new modified abietane diterpenoid, (3S,4S,5R,10S)-18(4→3)-abeo-3,4,12,18-tetrahydroxy-8,11,13-abietatrien-7-one (1), and two novel dimers, selaginedorffones A (2) and B (3), featuring a new cyclohexene moiety that was biogenetically constructed from two modified abietane diterpenoids through a Diels-Alder reaction were obtained from a methanolic extract of Selaginella moellendorffii, a traditional Chinese herb. The structures of 1-3 were identified by a combination of NMR spectroscopic analysis and ECD calculations...
February 7, 2018: Journal of Natural Products
https://www.readbyqxmd.com/read/29403307/the-effects-of-black-cohosh-on-the-regulation-of-estrogen-receptor-er%C3%AE-and-progesterone-receptor-pr-in-breast-cancer-cells
#16
Monica Szmyd, Victoria Lloyd, Kelly Hallman, Katie Aleck, Viktoria Mladenovik, Christina McKee, Mia Morse, Tyler Bedgood, Sumi Dinda
The North American plant Cimicifuga racemosa, also known as black cohosh (BC), is a herb that recently has gained attention for its hormonal effects. As the usage of hormone replacement therapy is declining due to its adverse effects in women with cancer, many are turning to herbal remedies like BC to treat menopausal symptoms. It is crucial to determine whether the effects of BC involve estrogen receptor-alpha (ERα). Previous studies from our laboratory have shown ERα to be a possible molecular target for BC...
2018: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/29398752/antiproliferative-effects-of-pancratium-maritimum-extracts-on-normal-and-cancerous-cells
#17
Ghaleb Tayoub, Mohmad Al-Odat, Amal Amer, Abdulmunim Aljapawe, Adnan Ekhtiar
Background: Plants are an important natural source of compounds used in cancer therapy. Pancratium maritimum contains potential anti-cancer agents such as alkaloids. In this study, we investigated the anti-proliferative effects of P. maritimum extracts on MDA-MB-231 human epithelial adenocarcinoma cell line and on normal lymphocytes in vitro. Methods: Leaves, flowers, roots, and bulbs of P. maritimum were collected and their contents were extracted and diluted to different concentrations that were applied on MDA-MB-231 cells and normal human lymphocytes cell in vitro for different intervals...
January 2018: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29398498/prediction-of-occult-invasive-disease-in-ductal-carcinoma-in-situ-using-deep-learning-features
#18
Bibo Shi, Lars J Grimm, Maciej A Mazurowski, Jay A Baker, Jeffrey R Marks, Lorraine M King, Carlo C Maley, E Shelley Hwang, Joseph Y Lo
PURPOSE: The aim of this study was to determine whether deep features extracted from digital mammograms using a pretrained deep convolutional neural network are prognostic of occult invasive disease for patients with ductal carcinoma in situ (DCIS) on core needle biopsy. METHODS: In this retrospective study, digital mammographic magnification views were collected for 99 subjects with DCIS at biopsy, 25 of which were subsequently upstaged to invasive cancer. A deep convolutional neural network model that was pretrained on nonmedical images (eg, animals, plants, instruments) was used as the feature extractor...
February 2, 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29397094/cytotoxic-activity-of-the-chemical-constituents-of-clerodendrum-indicum-and-clerodendrum-villosum-roots
#19
Pathom Somwong, Rutt Suttisri
OBJECTIVE: The roots of two Thai medicinal plants, Clerodendrum indicum and Clerodendrum villosum are found in traditional medicine practices. The aim of this research was to preliminarily study the cytotoxicity of extracts of their roots, and the parts that possessed cytotoxic activity were separated on a chromatograph to identify their active compounds. METHODS: The extracts of both plants were screened for cytotoxicity on the SW620 cell line and the compounds isolated from the active extracts were further evaluated for their cytotoxic activity against five human cancer cell lines, including SW620, ChaGo-K-1, HepG2, KATO-III and BT-474 using the 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide (MTT) assay...
January 2018: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29393408/anticancer-activity-of-the-supercritical-extract-of-brazilian-green-propolis-and-its-active-component-artepillin%C3%A2-c-bioinformatics-and-experimental-analyses-of-its-mechanisms-of-action
#20
Priyanshu Bhargava, Abhinav Grover, Nupur Nigam, Ashish Kaul, Motomichi Doi, Yoshiyuki Ishida, Hanzo Kakuta, Sunil C Kaul, Keiji Terao, Renu Wadhwa
Propolis, a resinous substance collected by honeybees by mixing their saliva with plant sources, including tree bark and leaves and then mixed with secreted beeswax, possesses a variety of bioactivities. Whereas caffeic acid phenethyl ester (CAPE) has been recognized as a major bioactive ingredient in New Zealand propolis, Brazilian green propolis, on the other hand, possesses artepillin C (ARC). In this study, we report that, similar to CAPE, ARC docks into and abrogates mortalin-p53 complexes, causing the activation of p53 and the growth arrest of cancer cells...
January 22, 2018: International Journal of Oncology
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