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Cancer natural medicine

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https://www.readbyqxmd.com/read/28933300/cancer-treatment-by-using-traditional-chinese-medicine-probing-active-compounds-in-anti-multidrug-resistance-during-drug-therapy
#1
Jian-Shu Lou, Ping Yao, Karl W K Tism
The main tackle of cancer treatment is multidrug resistance during chemotherapy. Cancer cell can evade cell death during every round of orthodox chemotherapy drugs, consequently being resistance after several rounds of standard drug treatment. One of the regimens to address this multidrug resistance problem is by drug combination. However, synthetic drugs always have problems of strong side effects and toxicity. Natural compounds deriving from traditional Chinese medicine are known to have low toxicity and genuine promising effects in reversing multidrug resistance, either induced by orthodox chemotherapeutic or targeted therapy drugs...
September 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28933295/applications-of-multi-target-computer-aided-methodologies-in-molecular-design-of-cns-drugs
#2
Oleg A Raevsky, Azat Mukhametov, Veniamin Y Grigorev, Alexey Ustyugov, Shwu-Chen Tsay, Reuben Jih-Ru Hwu, Nagendra Sastry Yarla, George E Barreto, Gjumrakch Aliev, Sergey O Bachurin
: Discovery of drugs for diseases of the central nervous system (CNS) faces high attrition rates in clinical trials. Neural diseases are extremely complex in nature and typically associated with multiple drug targets. A conception of multi-target directed ligands (MTDL), widely applied to discovery of cancer pharmaceuticals, may be a perspective solution for CNS diseases. Special bio-informatics approaches have been developed which can assist the medicinal chemists in identification and structural optimization of MTDL...
September 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28933175/-hiv-infection-a-new-disease-of-internal-medicine
#3
Svatava Snopková
Modern antiretroviral treatment belongs to the greatest success of current medicine. HIV infection has gone from a death sentence to a manageable chronic disease which develops several decades. Thanks to treatment advances, people with HIV can and do live long and full lives. In the last two decades, the incidence AIDS defining illnesses have been dramatically reduced especially opportunistic infections and malignancies, whereas the role of non-infection comorbidities has risen than age-matched HIV uninfected adults...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28930257/physicochemical-properties-antioxidant-and-cytotoxic-activities-of-crude-extracts-and-fractions-from-phyllanthus-amarus
#4
Van Tang Nguyen, Jennette A Sakoff, Christopher J Scarlett
Background:Phyllanthus amarus (P. amarus) has been used as a medicinal plant for the prevention and treatment of chronic ailments such as diabetes, hepatitis, and cancer. Methods: The physicochemical properties, antioxidant and cytotoxic activities of crude extracts and fractions from P. amarus were determined using spectrophotometric method. Results: The P. amarus methanol (PAM) extract had lower levels of residual moisture (7.40%) and water activity (0.24) and higher contents of saponins, phenolics, flavonoids, and proanthocyanidins (1657...
June 18, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28926426/epigenetics-and-precision-oncology
#5
Rachael J Werner, Andrew D Kelly, Jean-Pierre J Issa
Epigenetic alterations such as DNA methylation defects and aberrant covalent histone modifications occur within all cancers and are selected for throughout the natural history of tumor formation, with changes being detectable in early onset, progression, and ultimately recurrence and metastasis. The ascertainment and use of these marks to identify at-risk patient populations, refine diagnostic criteria, and provide prognostic and predictive factors to guide treatment decisions are of growing clinical relevance...
September 2017: Cancer Journal
https://www.readbyqxmd.com/read/28926234/using-ultra-performance-liquid-chromatography-quadrupole-time-of-flight-mass-spectrometry-based-chemometrics-for-the-identification-of-anti-angiogenic-biflavonoids-from-edible-garcinia-species
#6
Ping Li, Grace Gar-Lee Yue, Hin-Fai Kwok, Chun-Lin Long, Clara Bik-San Lau, Edward J Kennelly
Garcinia xanthochymus fruits are edible and also used in traditional medicine. Our previous work showed that the isolated natural products from G. xanthochymus fruits have displayed antioxidant activity and cytotoxicity in the colon cancer cells. In this study, we developed a strategy to correlate a zebrafish angiogenesis assay with ultra-performance liquid chromatography quadrupole time of flight mass spectrometry-based chemometric analysis to identify potential anti-angiogenic activity compounds from G. xanthochymus fruits...
September 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28925869/perspectives-of-plant-natural-products-in-inhibition-of-cancer-invasion-and-metastasis-by-regulating-multiple-signaling-pathways
#7
Md Shahid Sarwar, Hong-Jie Zhang, Siu Wai Tsang
Metastasis is often derived from increased invasion and migration of tumor cells, and is the most frequent cause of cancer-associated death. Either the prophylactic or therapeutic treatment of metastatic cancer remains very challenging today by virtue of the complex histopathology and genetic or epigenetic variations. Medicinal scientists had discovered many potential anti-invasive and anti-metastatic compounds from plant materials. However, data on currently available plant-based compounds inhibiting cancer invasion and metastasis is relatively scanty and no published article has been found with updated information in this unique and important aspect...
September 18, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28922975/bioengineered-submucosal-organoids-for-in-vitro-modeling-of-colorectal-cancer
#8
Mahesh Devarasetty, Aleksander Skardal, Kyle Cowdrick, Frank Marini, Shay Soker
The physical nature of the tumor microenvironment significantly impacts tumor growth, invasion and response to drugs. Most in vitro tumor models are designed to study the effects of extracellular matrix (ECM) stiffness on tumor cells, while not addressing the effects of ECM's specific topography. In this study we bioengineered submucosal organoids, using primary smooth muscle cells (SMCs) embedded in collagen I (Col I) hydrogel, which produce aligned and parallel fiber topography similar to those found in vivo...
September 19, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28922722/molecular-mechanisms-of-anticancer-effects-of-glucosamine
#9
REVIEW
Fatemeh Zahedipour, Razieh Dalirfardouei, Gholamreza Karimi, Khadijeh Jamialahmadi
Glucosamine is an amino sugar that is produced naturally in human body. It is an essential carbohydrate component of many cellular glycoproteins, glycolipids, and glycosaminoglycans (GAGs). This popular over-the-counter supplement is also found in the exoskeleton of crustaceans. Glucosamine and its derivatives have a long history in medicine for inflammatory conditions specially to relieve arthritis. This dietary supplement has numerous biological and pharmacological properties, including anti-inflammatory, antioxidant, anti-aging, anti-fibrotic, neuroprotective and cardioprotective activities...
September 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28920157/mechanisms-of-cancer-cell-killing-by-sea-cucumber-derived-compounds
#10
REVIEW
Teresa Liliana Wargasetia, Widodo
The aim of cancer therapy is to specifically eradicate tumor cells while causing minimal damage to normal tissues and minimal side-effects. Because of this, the use of natural substances with low toxicity is a good option. Sea cucumbers are one of many potential marine animals that contain valuable nutrients and medicinal properties. The medicinal value of sea cucumbers is attributed to the presence of bioactive agents with promising biological and pharmacological properties that include cytotoxic activity, induction of apoptosis, cell cycle arrest, inhibition of tumor growth, anti-metastatic and anti-angiogenic properties, and inhibition of drug resistance...
September 18, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28917272/towards-personalized-medicine-of-colorectal-cancer
#11
REVIEW
Mohammad Azhar Aziz, Zeyad Yousef, Ayman M Saleh, Sameer Mohammad, Bandar Al Knawy
Efforts in colorectal cancer (CRC) research aim to improve early detection and treatment for metastatic stages which could translate into better prognosis of this disease. One of the major challenges that hinder these efforts is the heterogeneous nature of CRC and involvement of diverse molecular pathways. New large-scale 'omics' technologies are making it possible to generate, analyze and interpret biological data from molecular determinants of CRC. The developments of sophisticated computational analyses would allow information from different omics platforms to be integrated, thus providing new insights into the biology of CRC...
October 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28911924/sialyl-tn-identifies-muscle-invasive-bladder-cancer-basal-and-luminal-subtypes-facing-decreased-survival-being-expressed-by-circulating-tumor-cells-and-metastases
#12
Luís Lima, Manuel Neves, Marta I Oliveira, Lorena Dieguez, Rui Freitas, Rita Azevedo, Cristiana Gaiteiro, Janine Soares, Dylan Ferreira, Andreia Peixoto, Elisabete Fernandes, Diana Montezuma, Ana Tavares, Ricardo Ribeiro, Ana Castro, Manuel Oliveira, Avelino Fraga, Celso A Reis, Lúcio Lara Santos, José Alexandre Ferreira
OBJECTIVES: To evaluate the potential of sialyl-Tn (STn), a cancer-associated glycan antigen present in membrane glycoproteins, to improve a recent molecular model for stratification and prognostication of advanced stage bladder tumors based on keratins (KRT14, 5, and 20) expression. In addition, determine the association between STn and disease dissemination based on the evaluation of circulating tumor cells (CTCs) and the metastasis, which is a critical matter to improve patient management...
September 11, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28911531/biological-actions-and-molecular-effects-of-resveratrol-pterostilbene-and-3-hydroxypterostilbene
#13
REVIEW
Hui-Yun Tsai, Chi-Tang Ho, Yu-Kuo Chen
Stilbenes are a class of polyphenolic compounds, naturally found in a wide variety of dietary sources such as grapes, berries, peanuts, red wine, and some medicinal plants. There are several well-known stilbenes including trans-resveratrol, pterostilbene, and 3'-hydroxypterostilbene. The core chemical structure of stilbene compounds is 1,2-diphenylethylene. Recently, stilbenes have attracted extensive attention and interest due to their wide range of health-beneficial effects such as anti-inflammation, -carcinogenic, -diabetes, and -dyslipidemia activities...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28895767/promising-galactose-decorated-biodegradable-poloxamer-188-plga-diblock-copolymer-nanoparticles-of-resibufogenin-for-enhancing-liver-cancer-therapy
#14
Hao Dong, Li Tian, Meng Gao, Hong Xu, Chenghong Zhang, Li Lv, Jianbin Zhang, Changyuan Wang, Yan Tian, Xiaochi Ma
Liver cancer is one of the major diseases affecting human health. Modified drug delivery systems through the asialoglycoprotein receptor, which is highly expressed on the surface of hepatocytes, have become a research focus for the treatment of liver cancer. Resibufogenin (RBG) is a popular traditional Chinese medicine and natural anti-cancer drug that was isolated from Chansu, but its cardiotoxicity and hydrophobicity have limited its clinical applications. Galactosyl-succinyl-poloxamer 188 and galactosyl-succinyl-poloxamer 188-polylactide-co-glycolide (Gal-SP188-PLGA) were synthesized using galactose, P188, and PLGA to achieve active liver-targeting properties...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28895404/exosomes-of-human-mesenchymal-stem-stromal-medicinal-signaling-cells-a-review
#15
U Altanerova, J Jakubechova, V Repiska, C Altaner
In this review, we intend to explore the potential therapeutic effects of exosomes released from mesenchymal stem/stromal cells (MSCs). MSCs gained credibility as a therapeutic tool due to their potential to differentiate into many cell types like osteoblasts, chondrocytes, adipocytes, muscular, endothelial, cardiovascular, and neurogenic cells. They possess potent wound healing activity due to their immunosuppressive and anti-inflammatory properties. MSCs are tested in large number of clinical trials for treatment of diseases, which do not have adequate therapy at present...
September 12, 2017: Neoplasma
https://www.readbyqxmd.com/read/28894736/synthetic-gene-expression-circuits-for-designing-precision-tools-in-oncology
#16
REVIEW
Angela Re
Precision medicine in oncology needs to enhance its capabilities to match diagnostic and therapeutic technologies to individual patients. Synthetic biology streamlines the design and construction of functionalized devices through standardization and rational engineering of basic biological elements decoupled from their natural context. Remarkable improvements have opened the prospects for the availability of synthetic devices of enhanced mechanism clarity, robustness, sensitivity, as well as scalability and portability, which might bring new capabilities in precision cancer medicine implementations...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28892296/tailored-approaches-in-drug-development-and-diagnostics-from-molecular-design-to-biological-model-systems
#17
REVIEW
Cecilia Sahlgren, Annika Meinander, Hongbo Zhang, Fang Cheng, Maren Preis, Chunlin Xu, Tiina A Salminen, Diana Toivola, Daniel Abankwa, Ari Rosling, Didem Şen Karaman, Outi M H Salo-Ahen, Ronald Österbacka, John E Eriksson, Stefan Willför, Ion Petre, Jouko Peltonen, Reko Leino, Mark Johnson, Jessica Rosenholm, Niklas Sandler
Approaches to increase the efficiency in developing drugs and diagnostics tools, including new drug delivery and diagnostic technologies, are needed for improved diagnosis and treatment of major diseases and health problems such as cancer, inflammatory diseases, chronic wounds, and antibiotic resistance. Development within several areas of research ranging from computational sciences, material sciences, bioengineering to biomedical sciences and bioimaging is needed to realize innovative drug development and diagnostic (DDD) approaches...
September 11, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28887216/phytochemistry-pharmacology-quality-control-and-future-research-of-forsythia-suspensa-thunb-vahl-a-review
#18
REVIEW
Zhaoyi Wang, Qing Xia, Xin Liu, Wenxue Liu, Wanzhen Huang, Xue Mei, Jun Luo, Mingxu Shan, Zhiqiang Ma, Ruichao Lin
ETHNOPHARMACOLOGICAL RELEVANCE: Forsythiae Fructus (called Lianqiao in Chinese), the fruit of Forsythia suspensa (Thunb.) Vahl, is utilized as a common traditional medicine in China, Japan and Korea. It is traditionally used to treat pyrexia, inflammation, gonorrhea, carbuncle and erysipelas. Depending on the different harvest time, Forsythiae Fructus can be classified into two forms, namely Qingqiao and Laoqiao. The greenish fruits that start to ripen are collected as Qingqiao, while the yellow fruits that are fully ripe are collected as Laoqiao...
September 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28883003/discovery-of-human-similar-gene-fusions-in-canine-cancers
#19
Ronan Ulvé, Mélanie Rault, Mathieu Bahin, Laetitia Lagoutte, Jérôme Abadie, Clotilde De Brito, Jean-Michel Coindre, Nadine Botherel, Audrey Rousseau, Valentin Wucher, Edouard Cadieu, Catherine Thieblemont, Christophe Hitte, Laurence Cornevin, Florian Cabillic, Laura Bachelot, David Gilot, Benoit Hennuy, Thierry Guillaudeux, Arnaud Le Goff, Thomas Derrien, Benoît Hédan, Catherine André
Canine cancers represent a tremendous natural resource due to their incidence and striking similarities to human cancers, sharing similar clinical and pathological features as well as oncogenic events including identical somatic mutations. Considering the importance of gene fusions as driver alterations, we explored their relevance in canine cancers. We focused on three distinct human-comparable canine cancers representing different tissues and embryonic origins. Through RNA-Seq, we discovered similar gene fusions as those found in their human counterparts: IGK-CCND3 in B-cell lymphoma, MPB-BRAF in glioma, and COL3A1-PDGFB in dermatofibrosarcoma protuberans-like...
September 7, 2017: Cancer Research
https://www.readbyqxmd.com/read/28878321/a-natural-chalcone-induces-apoptosis-in-lung-cancer-cells-3d-qsar-docking-and-an-in-vivo-vitro-assay
#20
Gang Chen, Di Zhou, Xue-Zheng Li, Zhe Jiang, Chengyu Tan, Xiu-Yan Wei, Junhong Ling, Jing Jing, Fen Liu, Ning Li
This study was to study the antitumor effect of lonchocarpin (34) from traditional herbal medicine Pongamia pinnata (L.) Pierre and to reveal the underlying mechanism. The cytotoxic activities of lonchocarpin were evaluated in 10 lung cancer cell lines and it exhibited 97.5% activity at a dose of 100 μM in the H292 cell line. A field-based quantitative structure-activity relationship (3D-QSAR) study of 37 flavonoids from P. pinnata was also performed, and the results obtained showed that the hydrophobic interaction could be the crucial factor for the antitumor activity of lonchocarpin...
September 6, 2017: Scientific Reports
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