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https://www.readbyqxmd.com/read/28103080/organization-of-bbmri-pl-the-polish-biobanking-network
#1
Małgorzata Witoń, Dominik Strapagiel, Joanna Gleńska-Olender, Anna Chróścicka, Katarzyna Ferdyn, Jarosław Skokowski, Leszek Kalinowski, Jakub Pawlikowski, Błażej Marciniak, Markus Pasterk, Agnieszka Matera-Witkiewicz, Łukasz Kozera
In Poland storage of human biological samples takes place at most universities and scientific institutions conducting research projects in the field of biomedicine. The First International Biobanking Conference organized by the Ministry of Science and Higher Education in 2014 shed a light on the situation of Polish biobanking infrastructures. The country has around 40 large biorepositories, which store unique biological material such as whole brains, muscle fibers from patients with rare diseases, as well as thousands of samples from patients with lifestyle diseases...
January 19, 2017: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/28102575/bcl-2-family-in-non-small-cell-lung-cancer-its-prognostic-and-therapeutic-implications
#2
Ping-Li Sun, Hironobu Sasano, Hongwen Gao
Non-small cell lung cancer (NSCLC) accounts for approximately 85% of all lung cancers. Despite significant advances in its research of tumor biology and therapy, the prognosis for this neoplasm has still remained poor. The great majority of anticancer agents, regardless of their mechanisms of action, exert their lethal actions on cancer cells by inducing apoptosis following drug-induced cellular damage. Many reported studies have evaluated the prognostic and therapeutic implications of apoptosis in lung cancer, but their exact clinical value has remained unclear...
January 19, 2017: Pathology International
https://www.readbyqxmd.com/read/28098907/synergistic-combination-of-ys-1-and-adriamycin-inhibits-human-renal-cancer-through-erk1-2-signaling-pathway-in%C3%A2-vitro-and-in%C3%A2-vivo
#3
Xiaowen Yu, Qingqing Yang, Sensen Lin, Shengtao Yuan, Li Sun
Adriamycin (ADM) is a principal drug for the treatment of renal cell cancer (RCC). Due to its limited response and high renal and cardiac toxicity, synergistic effects of ADM in combination with other drugs have been widely researched. In this study, we found the combination between YS-1 and ADM, performed higher anticancer activity on 786-O human RCC cells in vitro and in vivo, than that reported on its anti-angiogenesis effect compared with monotherapy of ADM. Our data showed that when combined with ADM, YS-1 promoted the sensitivity of 786-O cells to ADM...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098857/anticancer-effects-of-ginsenoside-rg3-review
#4
Mengyao Sun, Ying Ye, Ling Xiao, Xinya Duan, Yongming Zhang, Hong Zhang
Cancer is a life-threatening disease with an alarmingly increased annual mortality rate globally. Although various therapies are employed for cancer, the final effect is not satisfactory. Chemotherapy is currently the most commonly used treatment option. However, the unsatisfactory efficacy, severe side-effects and drug resistance hinder the therapeutic efficacy of chemotherapeutic drugs. There is increasing evidence indicating that ginsenoside Rg3, a naturally occurring phytochemical, plays an important role in the prevention and treatment of cancer...
January 13, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28096961/polysaccharide-from-sepia-esculenta-ink-and-cisplatin-inhibit-synergistically-proliferation-and-metastasis-of-triple-negative-breast-cancer-mda-mb-231-cells
#5
Hua-Zhong Liu, Wei Xiao, Yi-Peng Gu, Ye-Xing Tao, Da-Yan Zhang, Hui Du, Jiang-Hua Shang
OBJECTIVES: This paper aims to investigate synergistic inhibition of polysaccharide from Sepia esculenta ink (SIP), a newly isolated marine polysaccharide in our laboratory, on breast cancer MDA-MB-231 cells exposed to cisplatin. MATERIALS AND METHODS: Cell viability of MDA-MB-231 cells was determined by CCK 8 assay. Median-effect concentration was analyzed using Chou-Talalay method that was also subjected to determine cell inhibition ratio and combined index, as well as interaction between SIP and cisplatin...
December 2016: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28090668/studies-of-anticancer-drug-cytotoxicity-based-on-long-term-hepg2-spheroid-culture-in-a-microfluidic-system
#6
Agnieszka Zuchowska, Karina Kwapiszewska, Michal Chudy, Artur Dybko, Zbigniew Brzozka
Cell-on-a-chip systems have become promising devices to study the effectiveness of new anticancer drugs recently. Several microdevices for liver cancer culture and evaluation of the drug cytotoxicity have been reported. However, there are still no proven reports about high-throughput and simple methods for the evaluation of drug cytotoxicity on liver cancer cells. The paper presents the results of the effects of the anticancer drug (5-fluorouracil, 5-FU) on the HepG2 spheroids as a model of liver cancer. The experiments were based on the long-term 3D spheroid culture in the microfluidic system and monitoring of the effect of 5-FU at two selected concentrations (0...
January 16, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28088073/strategies-to-design-clinical-studies-to-identify-predictive-biomarkers-in-cancer-research
#7
REVIEW
Jose Luis Perez-Gracia, Miguel F Sanmamed, Ana Bosch, Ana Patiño-Garcia, Kurt A Schalper, Victor Segura, Joaquim Bellmunt, Josep Tabernero, Christopher J Sweeney, Toni K Choueiri, Miguel Martín, Juan Pablo Fusco, Maria Esperanza Rodriguez-Ruiz, Alfonso Calvo, Celia Prior, Luis Paz-Ares, Ruben Pio, Enrique Gonzalez-Billalabeitia, Alvaro Gonzalez Hernandez, David Páez, Jose María Piulats, Alfonso Gurpide, Mapi Andueza, Guillermo de Velasco, Roberto Pazo, Enrique Grande, Pilar Nicolas, Francisco Abad-Santos, Jesus Garcia-Donas, Daniel Castellano, María J Pajares, Cristina Suarez, Ramon Colomer, Luis M Montuenga, Ignacio Melero
The discovery of reliable biomarkers to predict efficacy and toxicity of anticancer drugs remains one of the key challenges in cancer research. Despite its relevance, no efficient study designs to identify promising candidate biomarkers have been established. This has led to the proliferation of a myriad of exploratory studies using dissimilar strategies, most of which fail to identify any promising targets and are seldom validated. The lack of a proper methodology also determines that many anti-cancer drugs are developed below their potential, due to failure to identify predictive biomarkers...
December 30, 2016: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28079286/design-synthesis-biological-evaluation-and-3d-qsar-analysis-of-podophyllotoxin-dioxazole-combination-as-tubulin-targeting-anticancer-agents
#8
Zi-Zhen Wang, Wen-Xue Sun, Xue Wang, Ya-Han Zhang, Han-Yue Qiu, Jin-Liang Qi, Yan-Jun Pang, Gui-Hua Lu, Xiao-Ming Wang, Fu-Gen Yu, Yong-Hua Yang
The advancement of cancer fighting drugs has never been a simple linear process. Those drugs design professionals begin to find inspiration from the nature after failing to find the ideal products by creative drugs design and high-throughput screening. To obtain new molecules for inhibiting tubulin, podophyllotoxin was adopted as the leading compound and 1,3,4-oxadiazole was brought in to the C-4 site of podophyllotoxin in this research. A series of seventeen podophyllotoxin derived esters have been achieved and then evaluated their antitumor activities against four different cancer cell lines: A549, MCF-7, HepG2 and HeLa...
January 12, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28079013/natural-product-inhibitors-of-topoisomerases-review-and-docking-study
#9
L Scotti, F J B Mendonça Júnior, F F Ribeiro, J F Tavares, M S Da Silva, J M Barbosa Filho, M T Scotti
Since ancient times, natural products have been used in treating various diseases effectively and safely. Nowadays, these natural compounds are submitted to sophisticated methodologies from isolation, computing, analytical, and even serving as pharmacophore suggestions for synthesis. The substances extracted from marine species, plants, and microorganisms present activities beneficial to our health, including protection against malignant tumors. The topoisomerase enzymes play an important role in DNA metabolism, and searching for enzyme inhibitors is an important target in the search for new anticancer drugs...
January 11, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28070993/use-of-liposomal-doxorubicin-for-adjuvant-chemotherapy-of-breast-cancer-in-clinical-practice
#10
Ming Zhao, Xian-Feng Ding, Jian-Yu Shen, Xi-Ping Zhang, Xiao-Wen Ding, Bin Xu
Breast cancer is one of the malignant tumors with the highest morbidity and mortality. It is helpful to reduce the rate of tumor recurrence and metastasis by treating breast cancer with adjuvant chemotherapy, so as to increase the cure rate or survival of patients. In recent years, liposomes have been regarded as a kind of new carrier for targeted drugs. Being effective for enhancing drug efficacy and reducing side effects, they have been widely used for developing anticancer drugs. As a kind of anthracycline with high anticancer activity, doxorubicin can treat or alleviate a variety of malignant tumors effectively when it is used on its own or in combination with other anticancer drugs...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28068355/a-methodology-for-cancer-therapeutics-by-systems-pharmacology-based-analysis-a-case-study-on-breast-cancer-related-traditional-chinese-medicines
#11
Yan Li, Jinghui Wang, Feng Lin, Yinfeng Yang, Su-Shing Chen
Breast cancer is the most common carcinoma in women. Comprehensive therapy on breast cancer including surgical operation, chemotherapy, radiotherapy, endocrinotherapy, etc. could help, but still has serious side effect and resistance against anticancer drugs. Complementary and alternative medicine (CAM) may avoid these problems, in which traditional Chinese medicine (TCM) has been highlighted. In this section, to analyze the mechanism through which TCM act on breast cancer, we have built a virtual model consisting of the construction of database, oral bioavailability prediction, drug-likeness evaluation, target prediction, network construction...
2017: PloS One
https://www.readbyqxmd.com/read/28067062/developments-in-pharmacotherapy-for-treating-metastatic-non-small-cell-lung-cancer
#12
Antonio Rossi, Paola Claudia Sacco, Giuseppe Santabarbara, Assunta Sgambato, Francesca Casaluce, Giovanni Palazzolo, Paolo Maione, Cesare Gridelli
Most patients with non-small cell lung (NSCLC), including squamous cell carcinoma, adenocarcinoma and large cell carcinoma, have advanced disease at diagnosis and systemic therapy is the standard-of-care. About 20% of Caucasian patients are affected by an oncogene-addicted advanced NSCLC for which correspondent inhibitors are available. Areas covered: The main state-of-the-art synthetic anticancer drugs in the groups of chemotherapeutics, epidermal growth factor receptor and anaplastic lymphoma kinase tyrosine kinase inhibitors for NSCLC treatment, are reviewed and discussed from phase III randomized practice-changing trials onwards...
January 8, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28065871/targeted-glioma-chemotherapy-by-cyclic-rgd-peptide-functionalized-reversibly-core-crosslinked-multifunctional-poly-ethylene-glycol-b-poly-%C3%AE%C2%B5-caprolactone-micelles
#13
Ya Fang, Yu Jiang, Yan Zou, Fenghua Meng, Jian Zhang, Chao Deng, Huanli Sun, Zhiyuan Zhong
: Cyclic RGD peptide-functionalized reversibly core-crosslinked biodegradable poly(ethylene glycol)-b-poly(ε-caprolactone) (PEG-PCL) micelles (cRGD-RCCMs) were designed and developed for highly potent and targeted glioma chemotherapy. To achieve crosslinkable core, dithiolane-functionalized trimethylene carbonate (DTC) was incorporated into PCL block. Interestingly, cRGD-RCCMs displayed a high doxorubicin (DOX) loading content of ∼18 wt.%, small hydrodynamic size of ∼50 nm, and excellent colloidal stability with minimum drug leakage under physiological conditions whilst fast DOX release under cytoplasmic-mimicking reductive environments...
January 5, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28059042/alkaloids-as-cyclooxygenase-inhibitors-in-anticancer-drug-discovery
#14
Muhammad Ali Hashmi, Afsar Khan, Umar Farooq, Sehroon Khan
Cancer is the leading cause of death worldwide and anticancer drug discovery is a very hot area of research at present. There are various factors which control and affect cancer, out of which enzymes like cyclooxygenase-2 (COX-2) play a vital role in the growth of tumor cells. Inhibition of this enzyme is a very useful target for the prevention of various types of cancers. Alkaloids are a diverse group of naturally occurring compounds which have shown great COX-2 inhibitory activity both in vitro and in vivo...
January 5, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28053569/synthesis-of-n-mannich-bases-of-berberine-linking-piperazine-moieties-revealing-anticancer-and-antioxidant-effects
#15
Bhupendra Mistry, Rahul V Patel, Young-Soo Keum, Doo Hwan Kim
A new Mannich base series of piperazine linked berberine analogues was furnished in this study to screen the antioxidant and anticancer potential of the resultant analogues. Alkoxy group at a C-9 position of berberine was converted to hydroxyl functionality to enhance the ability of final scaffolds binding to the target of drug action mainly through hydrophobic effect, conjugation effect, whereas Mannich base functionality was introduced on the C-12 position of berberine. Scaffolds were investigated for their free radical scavenging antioxidant potential in FRAP and DPPH assay, whereas tested to check their Fe(+3) reducing power in ABTS assay...
January 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28052653/how-can-we-treat-cancer-disease-not-cancer-cells
#16
Kyu-Won Kim, Su-Jae Lee, Woo-Young Kim, Ji Hae Seo, Ho-Young Lee
Since molecular biology studies began, researches in biological science have centered on proteins and genes at molecular level of a single cell. Cancer research has also focused on various functions of proteins and genes that distinguish cancer cells from normal cells. Accordingly, most contemporary anticancer drugs have been developed to target abnormal characteristics of cancer cells. Despite the great advances in the development of anticancer drugs, vast majority of patients with advanced cancer have shown grim prognosis and high rate of relapse...
January 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28044295/negative-enrichment-of-circulating-tumor-cells-in-blood-using-a-microfluidic-chip
#17
Hamizah A Cognart, Chia-Pin Chang
The enumeration and analysis of circulating tumor cells (CTCs) is an increasing interest for monitoring disease progression or response to treatment, specifically as a companion diagnostic for new anticancer drugs, and for research into the mechanisms of disease progression and metastases. Ideally, CTCs would be enriched from very small samples, with minimal handling, high recovery, and no requirement for the expression of specific surface markers. Here, we describe negative enrichment as the preferred approach for cancer cell isolation using a microfluidic platform...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28042613/targeting-cancer-using-polymeric-nanoparticle-mediated-combination-chemotherapy
#18
Aniket Gad, Janel Kydd, Brandon Piel, Prakash Rai
Cancer forms exhibiting poor prognosis have been extensively researched for therapeutic solutions. One of the conventional modes of treatment, chemotherapy shows inadequacy in its methodology due to imminent side-effects and acquired drug-resistance by cancer cells. However, advancements in nanotechnology have opened new frontiers to significantly alleviate collateral damage caused by current treatments via innovative delivery techniques, eliminating pitfalls encountered in conventional treatments. Properties like reduced drug-clearance and increased dose efficacy by the enhanced permeability and retention effect deem nanoparticles suitable for this application...
September 2016: Int J Nanomed Nanosurg
https://www.readbyqxmd.com/read/28039691/overview-on-the-current-status-on-virtual-high-throughput-screening-and-combinatorial-chemistry-approaches-in-multi-target-anticancer-drug-discovery-part-ii
#19
George D Geromichalos, Constantinos E Alifieris, Elena G Geromichalou, Dimitrios T Trafalis
Conventional drug design embraces the "one gene, one drug, one disease" philosophy. Nowadays, new generation of anticancer drugs, able to inhibit more than one pathway, is believed to play a major role in contemporary anticancer drug research. In this way, polypharmacology, focusing on multi-target drugs, has emerged as a new paradigm in drug discovery. A number of recent successful drugs have in part or in whole emerged from a structure-based research approach. Many advances including crystallography and informatics are behind these successes...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28034659/toxins-and-pharmacologically-active-compounds-from-species-of-the-family-bufonidae-amphibia-anura
#20
REVIEW
Candelario Rodríguez, Louise Rollins-Smith, Roberto Ibáñez, Armando A Durant-Archibold, Marcelino Gutiérrez
ETHNOPHARMACOLOGICAL RELEVANCE: Among amphibians, 15 of the 47 species reported to be used in traditional medicines belong to the family Bufonidae, which demonstrates their potential in pharmacological and natural products research. For example, Asian and American tribes use the skin and the parotoid gland secretions of some common toads in the treatment of hemorrhages, bites and stings from venomous animals, skin and stomach disorders, as well as several types of cancers. OVERARCHING OBJECTIVE: In addition to reviewing the occurrence of chemical constituents present in the family Bufonidae, the cytotoxic and biomedical potential of the active compounds produced by different taxa are presented...
December 26, 2016: Journal of Ethnopharmacology
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