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https://www.readbyqxmd.com/read/28729406/tumor-evolution-as-a-therapeutic-target
#1
REVIEW
Nabil Amirouchene-Angelozzi, Charles Swanton, Alberto Bardelli
Recent technological advances in the field of molecular diagnostics (including blood-based tumor genotyping) allow the measurement of clonal evolution in patients with cancer, thus adding a new dimension to precision medicine: time. The translation of this new knowledge into clinical benefit implies rethinking therapeutic strategies. In essence, it means considering as a target not only individual oncogenes but also the evolving nature of human tumors. Here, we analyze the limitations of targeted therapies and propose approaches for treatment within an evolutionary framework...
July 20, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28729227/computational-and-experimental-prediction-of-molecules-involved-in-the-anti-melanoma-action-of-berberine
#2
Bin Liu, Xiu-Qiong Fu, Ting Li, Tao Su, Hui Guo, Pei-Li Zhu, Anfernee Kai-Wing Tse, Shi-Ming Liu, Zhi-Ling Yu
ETHNOPHARMACOLOGIC RELEVANCE: Berberine (BBR) is a naturally occurring alkaloid compound that can be found in Chinese medicinal herbs such as Rhizoma Coptidis and Phellodendri Cortex. These BBR containing herbs are commonly used by Chinese medicine doctors to treat cancers including melanoma. In this study, we explored proteins potentially involved in the anti-melanoma effects of BBR using an integrative computational and experimental approach. MATERIALS AND METHODS: Target proteins of BBR were predicted using the reverse pharmacophore screening, molecular docking and molecular dynamics...
July 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28726934/clove-extract-functions-as-a-natural-fatty-acid-synthesis-inhibitor-and-prevents-obesity-in-a-mouse-model
#3
Yiran Ding, Zhennan Gu, Yihe Wang, Shunhe Wang, Haiqin Chen, Hao Zhang, Wei Chen, Yong Q Chen
Numerous medicinal plants have been reported to prevent various chronic diseases. In this study, we screened a new FASN inhibitor-alcohol extract of clove (AEC) using a fast microplate method developed in our laboratory. The major components of AEC were: eugenol (42.27%), acetyl eugenol (29.12%), caryophyllene (15.40%), and humulene (3.22%). Fatty acid synthase (FASN) is a key enzyme for de novo lipogenesis, and it has been suggested as a potential therapeutic target in cancer and obesity. We have tested the ability of AEC to inhibit FASN in mammalian cells and tissues...
July 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28725630/curcumin-an-age-old-anti-inflammatory-and-anti-neoplastic-agent
#4
REVIEW
Matthew C Fadus, Cecilia Lau, Jai Bikhchandani, Henry T Lynch
Curcumin is a natural anti-inflammatory agent that has been used for treating medical conditions for many years. Several experimental and pharmacologic trials have demonstrated its efficacy in the role as an anti-inflammatory agent. Curcumin has been shown to be effective in treating chronic conditions like rheumatoid arthritis, inflammatory bowel disease, Alzheimer's and common malignancies like colon, stomach, lung, breast, and skin cancers. As treatments in medicine become more and more complex, the answer may be something simpler...
July 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28723868/screening-of-medicinal-plant-phytochemicals-as-natural-antagonists-of-p53-mdm2-interaction-to-reactivate-p53-functioning
#5
Muhammad Riaz, Usman A Ashfaq, Muhammad Qasim, Erum Yasmeen, Muhammad T Ul Qamar, Farooq Anwar
In most types of cancer, overexpression of murine double minute 2 (MDM2) often leads to inactivation of p53. The crystal structure of MDM2, with a 109-residue amino-terminal domain, reveals that MDM2 has a core hydrophobic region to which p53 binds as an amphipathic α helix. The interface depends on the steric complementarity between MDM2 and the hydrophobic region of p53. Especially, on p53's triad, amino acids Phe19, Trp23 and Leu26 bind to the MDM2 core. Results from studies suggest that the structural motif of both p53 and MDM2 can be attributed to similarities in the amphipathic α helix...
July 18, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28723722/complementary-and-alternative-medicine-use-and-symptom-burden-in-women-undergoing-chemotherapy-for-breast-cancer-in-malaysia
#6
Ping Lei Chui, Khatijah Lim Abdullah, Li Ping Wong, Nur Aishah Taib
BACKGROUND: Complementary and alternative medicine (CAM) is commonly used for cancer- and chemotherapy-related symptoms. Nurses are likely to encounter many CAM users in their practice. OBJECTIVE: The aims of this study were to assess CAM use and examine the symptom burden of CAM and non-CAM users among patients with breast cancer who are undergoing chemotherapy. METHODS: A CAM use questionnaire and the Side-Effect Burden Scale were administered to 546 patients...
July 14, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28723615/nanoformulations-of-curcumin-an-emerging-paradigm-for-improved-remedial-application
#7
REVIEW
Meeta Gera, Neelesh Sharma, Mrinmoy Ghosh, Do Luong Huynh, Sung Jin Lee, Taesun Min, Taeho Kwon, Dong Kee Jeong
Curcumin is a natural polyphenol and essential curcuminoid derived from the rhizome of the medicinal plant Curcuma longa (L.) is universally acknowledged as "Wonder drug of life". It is a vital consumable and restorative herb, commonly keened for several ailments such as cancer, arthritis, pain, bruises, gastrointestinal quandaries, swelling and much more. Despite its enormous curative potential, the poor aqueous solubility and consequently, minimal systemic bioavailability with rapid degradation are some of the major factors which restrict the utilization of curcumin at medical perspective...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722478/rho-kinase-inhibitors-from-adlay-seeds
#8
Yhiya Amen, Qinchang Zhu, Hai-Bang Tran, Mohamed S Afifi, Ahmed F Halim, Ahmed Ashour, Ryoji Fujimoto, Takahiro Goto, Kuniyoshi Shimizu
Rho-kinase enzymes are one of the most important targets recently identified in our bodies. Several lines of evidence indicate that these enzymes are involved in many diseases and cellular disorders. ROCK inhibitors may have clinical applications for cancer, hypertension, glaucoma, etc. Our study aims to identify the possible involvement of Rho-kinase inhibition to the multiple biological activities of adlay seeds and provide a rationale for their folkloric medicines. Hence, we evaluated Rho-kinase I and II inhibitory activity of the ethanol extract and 28 compounds derived from the seeds...
July 19, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28721827/melatonin-as-pleiotropic-molecule-with-therapeutic-potential-for-type-2-diabetes-and-cancer
#9
Marzena Wojcik, Michal Krawczyk, Pawel Wojcik, Katarzyna Cypryk, Lucyna Alicja Wozniak
The incidence both of diabetes, particularly type 2 (T2DM), and cancer is increasing worldwide, making these diseases growing global health problem along with increasing healthcare expenditures. The current therapeutic approach for the treatment of these multifactorial diseases is far from satisfactory. Therefore, there is still considerable interest in searching new therapeutic strategies with the use of both natural and synthetic compounds exhibiting higher efficiency and lower toxicity compared to medicines used currently in clinical practice...
July 18, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28714500/exploring-the-immunomodulatory-and-anticancer-properties-of-zerumbone
#10
REVIEW
Md Areeful Haque, Ibrahim Jantan, Laiba Arshad, Syed Nasir Abbas Bukhari
Plant-derived immunomodulators and anti-cancer agents have attracted a lot of interest from natural product scientists for their efficacy and safety and their significant contribution towards understanding targeted drug action and drug delivery mechanisms. Zerumbone, the main constituent of Zingiber zerumbet rhizomes, has been investigated for its wide-spectrum role in treating multitargeted diseases. The rhizomes have been used as food flavoring agents in various cuisines and in herbal medicine. Many in vivo and in vitro studies have provided evidence of zerumbone as a potent immunomodulator as well as a potential anti-cancer agent...
July 17, 2017: Food & Function
https://www.readbyqxmd.com/read/28714385/therapeutic-application-of-natural-medicine-monomers-in-cancer-treatment
#11
Chen Zhong, Nathan R Wall, Yuangang Zu, Guangchao Sui
Natural medicine monomers (NMMs) isolated from plants have been recognized for their roles in treating different human diseases including cancers. Many NMMs exhibit effective anti-cancer activities and can be used as drugs or adjuvant agents to enhance the efficacy of chemotherapy and radiotherapy with low or tolerable side effects. Some NMMs, such as Paclitaxel and Camptothecin, have been extensively studied for decades and are now used as anti-cancer medicines due to their remarkable curative effects, such as inhibiting cancer cell proliferation and metastasis, and inducing cell death and differentiation...
July 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28707589/advances-in-the-anticancer-value-of-the-ursolic-acid-through-nanodelivery
#12
Azadeh Manayi, Marjan Nikan, Navid Nobakht Haghighid, Mohammad Abdollahi
Ursolic acid, a natural pentacyclic triterpenoid is commonly found in plants and foods with promising biological and pharmacological activities. The compound has been under the attention of researchers due to its considerable anticancer effects through suppression of differentiation, angiogenesis, invasion, and metastasis of tumor cells via different pathways with low toxicity. Bioavailability of ursolic acid is poor due to poor solubility of the compound in water. Low bioavailability and short plasma half-life of ursolic acid along with non-specific distribution in the body are considered as impediments in the therapeutic development of the compound...
July 13, 2017: Current Medicinal Chemistry
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
#13
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/28697194/enhancing-contrast-agents-and-radiotracers-performance-through-hyaluronic-acid-coating-in-neuroradiology-and-nuclear-medicine
#14
Mario Ganau, Nikolaos Ch Syrmos, Felice D'Arco, Laura Ganau, Salvatore Chibbaro, Lara Prisco, Gianfranco K I Ligarotti, Rossano Ambu, Andrea Soddu
The use of hyaluronic acid nanoshells has been proposed to encapsulate prodrugs and exploit the mechanisms of interactions between living cells, like endocytes or cancer cells and hyaluronic acid, which is a natural component of the extracellular matrix. In this review we describe the potential and the limits of this promising research trend and discuss the theoretical advantages of such an engineering approach. Is it a possible scalability to increase the efficacy and biodegradability of molecules like contrast media and radiotracers especially for neuroradiology and nuclear medicine studies...
July 12, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28685684/immune-modulation-of-asian-folk-herbal-medicines-and-related-chemical-components-for-cancer-management
#15
Manee Patanaponpibul, Qiao-Hong Chen
Various exciting immunotherapies aiming to address the immune deficiency induced by tumor and treatment hold promise in improving the life quality of life and survival rate of cancer patients. It is thus becoming an important and rewarding arena to develop some appropriate immune modulators for cancer prevention and/or treatment. Exploitation of natural products-based immune modulators is of particular imperative because the potential of numerous traditional herbal medicines and edible mushrooms in boosting human immune system has long been verified by folklore practices...
July 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28685150/genetic-mutations-and-epigenetic-modifications-driving-cancer-and-informing-precision-medicine
#16
REVIEW
Krysta Mila Coyle, Jeanette E Boudreau, Paola Marcato
Cancer treatment is undergoing a significant revolution from "one-size-fits-all" cytotoxic therapies to tailored approaches that precisely target molecular alterations. Precision strategies for drug development and patient stratification, based on the molecular features of tumors, are the next logical step in a long history of approaches to cancer therapy. In this review, we discuss the history of cancer treatment from generic natural extracts and radical surgical procedures to site-specific and combinatorial treatment regimens, which have incrementally improved patient outcomes...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28681243/synergistic-inhibition-of-glioma-cell-proliferation-by-withaferin-a-and-tumor-treating-fields
#17
Edwin Chang, Christoph Pohling, Nooshin Beygui, Chirag B Patel, Jarrett Rosenberg, Dong Ho Ha, Sanjiv S Gambhir
Glioblastoma (GBM) is the most aggressive and lethal form of brain cancer. Standard therapies are non-specific and often of limited effectiveness; thus, efforts are underway to uncover novel, unorthodox therapies against GBM. In previous studies, we investigated Withaferin A, a steroidal lactone from Ayurvedic medicine that inhibits proliferation in cancers including GBM. Another novel approach, tumor treating fields (TTFields), is thought to disrupt mitotic spindle formation and stymie proliferation of actively dividing cells...
July 5, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28678791/modeling-the-receptor-pharmacology-pharmacokinetics-and-pharmacodynamics-of-nktr-214-a-kinetically-controlled-interleukin-2-il2-receptor-agonist-for-cancer-immunotherapy
#18
Deborah Charych, Samira Khalili, Vidula Dixit, Peter Kirk, Thomas Chang, John Langowski, Werner Rubas, Stephen K Doberstein, Michael Eldon, Ute Hoch, Jonathan Zalevsky
Cytokines are potent immune modulating agents but are not ideal medicines in their natural form due to their short half-life and pleiotropic systemic effects. NKTR-214 is a clinical-stage biologic that comprises interleukin-2 (IL2) protein bound by multiple releasable polyethylene glycol (PEG) chains. In this highly PEG-bound form, the IL2 is inactive; therefore, NKTR-214 is a biologic prodrug. When administered in vivo, the PEG chains slowly release, creating a cascade of increasingly active IL2 protein conjugates bound by fewer PEG chains...
2017: PloS One
https://www.readbyqxmd.com/read/28677577/targeted-radionuclide-therapy-in-combined-modality-regimens
#19
REVIEW
Martin R Gill, Nadia Falzone, Yong Du, Katherine A Vallis
Targeted radionuclide therapy (TRT) is a branch of cancer medicine concerned with the use of radioisotopes, radiolabelled molecules, nanoparticles, or microparticles that either naturally accumulate in or are designed to target tumours. TRT combines the specificity of molecular and sometimes physical targeting with the potent cytotoxicity of ionising radiation. Targeting vectors for TRT include antibodies, antibody fragments, proteins, peptides, and small molecules. The diversity of available carrier molecules, together with the large panel of suitable radioisotopes with unique physicochemical properties, allows vector-radionuclide pairings to be matched to the molecular, pathological, and physical characteristics of a tumour...
July 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28674495/anti-allergic-hydroxy-fatty-acids-from-typhonium-blumei-explored-through-chemgps-np
#20
Michal Korinek, Yi-Hong Tsai, Mohamed El-Shazly, Kuei-Hung Lai, Anders Backlund, Shou-Fang Wu, Wan-Chun Lai, Tung-Ying Wu, Shu-Li Chen, Yang-Chang Wu, Yuan-Bin Cheng, Tsong-Long Hwang, Bing-Hung Chen, Fang-Rong Chang
Increasing prevalence of allergic diseases with an inadequate variety of treatment drives forward search for new alternative drugs. Fatty acids, abundant in nature, are regarded as important bioactive compounds and powerful nutrients playing an important role in lipid homeostasis and inflammation. Phytochemical study on Typhonium blumei Nicolson and Sivadasan (Araceae), a folk anti-cancer and anti-inflammatory medicine, yielded four oxygenated fatty acids, 12R-hydroxyoctadec-9Z,13E-dienoic acid methyl ester (1) and 10R-hydroxyoctadec-8E,12Z-dienoic acid methyl ester (2), 9R-hydroxy-10E-octadecenoic acid methyl ester (3), and 12R(*)-hydroxy-10E-octadecenoic acid methyl ester (4)...
2017: Frontiers in Pharmacology
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