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https://www.readbyqxmd.com/read/28806666/doxorubicin-loaded-environmentally-friendly-carbon-dots-as-a-novel-drug-delivery-system-for-nucleus-targeted-cancer-therapy
#1
Yifang Yuan, Bin Guo, Liying Hao, Na Liu, Yunfeng Lin, Wushuang Guo, Xiaoguang Li, Bin Gu
Chemotherapy is widely applied against various kinds of carcinoma. Generally, chemotherapeutic agents, such as Doxorubicin (DOX), Paclitaxel (PTX), 5-Fluorouracil (5-FU), Methotrexate (MTX), and Vinblastine (VLB) are combined with a view to maximizing their efficacy. Unfortunately, chemotherapeutics are indiscriminate and also kill normal healthy cells, resulting in serious side effects. This non-productive and destructive distribution of chemotherapeutics is regarded as one of the largest problems associated with chemotherapy...
July 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28791405/silibinin-suppresses-bladder-cancer-cell-malignancy-and-chemoresistance-in-an-nf-%C3%AE%C2%BAb-signal-dependent-and-signal-independent-manner
#2
Yi Sun, Zhenfeng Guan, Wencai Zhao, Yazhuo Jiang, Qing Li, Yongyi Cheng, Yonggang Xu
Because bladder cancer (BCa) is the 9th most common malignant tumor and 13th leading cause of death due to cancer, therapeutic approaches have attracted a great deal of attention from both clinicians and BCa patients. Although the development of surgery and targeted drugs has brought new challenges for the traditional concept of BCa therapy, various types of chemotherapy remain the final treatment method for many BCa patients. However, chemoresistance inevitably appears, leading to the failure of chemotherapy...
August 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28780347/nanoscale-observation-of-the-natural-structure-of-milk-fat-globules-and-casein-micelles-in-the-liquid-condition-using-a-scanning-electron-assisted-dielectric-microscopy
#3
Toshihiko Ogura, Tomoko Okada
Recently, aqueous nanoparticles have been used in drug-delivery systems for new type medicines. In particular, milk-casein micelles have been used as drug nanocarriers for targeting cancer cells. Therefore, nanostructure observation of particles and micelles in their native liquid condition is indispensable for analysing their function and mechanisms. However, traditional optical and scanning electron microscopy have difficulty observing the nanostructures of aqueous micelles. Recently, we developed a novel imaging technique called scanning electron-assisted dielectric microscopy (SE-ADM) that enables observation of various biological specimens in water with very little radiation damage and high-contrast imaging without staining or fixation at an 8-nm spatial resolution...
August 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28770217/dairy-cows-naturally-infected-with-bovine-leukemia-virus-exhibit-abnormal-b-and-t-cell-phenotypes-after-primary-and-secondary-exposures-to-keyhole-limpet-hemocyanin
#4
Meredith C Frie, Kelly R B Sporer, Oscar J Benitez, Joseph C Wallace, Casey J Droscha, Paul C Bartlett, Paul M Coussens
Bovine leukemia virus (BLV) is a retrovirus that is highly prevalent in US dairy herds: over 83% are BLV infected and the within-herd infection rate can be almost 50% on average. While BLV is known to cause lymphosarcomas, only 5% or fewer infected cattle will develop lymphoma; this low prevalence of cancer has historically not been a concern to dairy producers. However, more recent research has found that BLV(+) cows without lymphoma produce less milk and have shorter lifespans than uninfected herdmates. It has been hypothesized that BLV infection interferes with normal immune function in infected cattle, and this could lead to reduced dairy production...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28760341/biological-effects-of-anti-rankl-antibody-administration-in-pregnant-mice-and-their-newborns
#5
Nobuaki Okamatsu, Nobuhiro Sakai, Akiko Karakawa, Naoka Kouyama, Yurie Sato, Katsunori Inagaki, Yuji Kiuchi, Katsuji Oguchi, Takako Negishi-Koga, Masamichi Takami
Denosumab, a fully human monoclonal antibody that neutralizes receptor activator of nuclear factor-κB ligand (RANKL) and blocks osteoclast differentiation, has received approval in Japan for use as an anti-resorptive drug for osteoporosis and skeletal-related events (SREs) in patients with solid cancer. Denosumab is contraindicated during pregnancy, though the effects of blocking RANKL activity on pregnant mothers and their newborns are unclear. We used mice to investigate the effects of an anti-RANKL antibody on maternal and newborn health...
July 29, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28747709/trimethylamine-n-oxide-abolishes-the-chaperone-activity-of-%C3%AE-casein-an-intrinsically-disordered-protein
#6
Mohd Younus Bhat, Laishram Rajendrakumar Singh, Tanveer Ali Dar
Osmolytes (small molecules that help in circumventing stresses) are known to promote protein folding and prevent aggregation in the case of globular proteins. However, the effect of such osmolytes on the structure and function of intrinsically disordered proteins (IDPs) has not been clearly understood. Here we have investigated the effect of methylamine osmolytes on α-casein (an IDP present in mammalian milk) and discovered that TMAO (Trimethylamine-N-oxide) but not other methylamines renders α-casein functionless...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28736047/health-risk-assessment-as-an-approach-to-manage-an-old-landfill-and-to-propose-integrated-solid-waste-treatment-a-case-study-in-italy
#7
O Paladino, M Massabò
The aim of the present paper is to show how an approach based on human health risk analysis can be used as a decisional tool for the evaluation of impacts on population and for deciding between different waste treatment processes. The situation in which the increasing production of solid wastes cannot be confined in the old existing Municipal Solid Waste landfill (settled in Genoa, Liguria Region, Italy) is used as a case study. Risk assessment for human health due to air, surface water, groundwater and soil contamination is performed in different scenarios for the old landfill and compared with alternative Waste-to-Energy management solutions that consider thermal treatment by gasification of the total waste or gasification of the dry fraction coupled with anaerobic digestion of the wet fraction, plus biogas combustion with or without sludge and bottom ash/slag disposal in the old landfill...
July 20, 2017: Waste Management
https://www.readbyqxmd.com/read/28735581/independent-associations-of-dairy-and-calcium-intakes-with-colorectal-cancers-in-the-adventist-health-study-2-cohort
#8
Yessenia Tantamango-Bartley, Synnove F Knutsen, Karen Jaceldo-Siegl, Jing Fan, Andrew Mashchak, Gary E Fraser
OBJECTIVE: Results associating dairy and Ca intakes with colorectal cancer (CRC) risk have been mixed. Most previous analyses have suffered from confounding between dairy and Ca intakes. We examined independent associations between these variables, also dairy foods, and CRC incidence in a population with a large range of dairy intakes. DESIGN: Adventist Health Study-2 is a cohort study where subjects were enrolled 2002-2007. Proportional hazard regression analyses were performed to estimate hazard ratios (HR)...
July 24, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28714565/mri-compatible-breast-rib-phantom-for-evaluating-ultrasonic-thermal-exposures
#9
Georgios Menikou, Marinos Yiannakou, Christos Yiallouras, Cleanthis Ioannides, Christakis Damianou
INTRODUCTION: The target of this study was the development of a magnetic resonance imaging (MRI) compatible breast phantom for focused ultrasound which includes plastic (ABS) ribs. The objective of the current study was the evaluation of a focused ultrasound procedure using the proposed phantom that eliminates rib heating. MATERIAL AND METHODS: The proposed phantom was evaluated using two different focused ultrasound exposures. The surrounding breast tissue was mimicked using an agar-silica-evaporation milk gel (2% w/v - 2% w/v - 40% v/v)...
July 17, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28688542/evaluation-of-apoptotic-activity-of-withania-coagulans-methanolic-extract-against-human-breast-cancer-and-vero-cell-lines
#10
Rumana Ahmad, Afreen Fatima, A N Srivastava, Mohsin Ali Khan
BACKGROUND: The genus Withania (Family: Solanaceae) holds an important position in Ayurveda, the Indian traditional system of medicine. Withania somnifera Dunal and Withania coagulans Dunal have been documented in folklore as panaceas for various ailments since time immemorial. W. coagulans (WC), commonly called as Indian cheese maker is used for fermenting milk for cheese production in various parts of India. OBJECTIVES: In the study, in vitro cytotoxicity of methanolic extract of dried fruits (berries) of WC was evaluated in a dose dependent manner using trypan blue dye exclusion method against human breast cancer cell line MDA-MB-231 and normal kidney epithelial cell line Vero in the range 20-200 μg/ml...
July 6, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28686955/targeting-stat3-with-silibinin-to-improve-cancer-therapeutics
#11
REVIEW
Joaquim Bosch-Barrera, Bernardo Queralt, Javier A Menendez
Signal transducer and activator of transcription 3 (STAT3) has a prominent role in mediating resistance to conventional chemo-/radio-therapies and modern targeted drugs. While a number of STAT3 inhibitors have been shown to enhance the efficacy of therapeutic agents in vitro, the majority of them have yet to enter clinical evaluation mostly because of lack of efficacy issues. Silibinin is the main component of the silymarin complex, a standardized extract obtained from the seeds of the milk thistle herb Silybum marianum...
June 23, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28681026/a-seasonal-study-for-determination-of-aflatoxin-m1-level-in-dairy-products-in-iranshahr-iran
#12
N Sohrabi, H Gharahkoli
BACKGROUND AND PURPOSE: Aflatoxin M1, in milk and dairy products, is classified by the International Agency for Research on Cancer as human carcinogens (class 2B). The aim of this study was to evaluate aflatoxin M1 contamination level in dairy products from Iranshahr city, Iran, using ELISA technique. MATERIALS AND METHODS: In our study, 87 samples of milk, white cheese, yoghurt, and butter were collected in different seasons and after preparation, were analyzed by ELISA technique...
September 2016: Advances in Medical Mycology (Iran)
https://www.readbyqxmd.com/read/28664715/the-history-of-arsenical-pesticides-and-health-risks-related-to-the-use-of-agent-blue
#13
Vladimir Bencko, Florence Yan Li Foong
Arsenicals in agriculture. Beginning in the 1970s, the use of arsenic compounds for such purposes as wood preservatives, began to grow. By 1980, in the USA, 70% of arsenic had been consumed for the production of wood preservatives. This practice was later stopped, due to the US Environmental Protection Agency (EPA) ban of the arsenic-and chromium-based wood preservative chromated copper arsenate. In the past, arsenical herbicides containing cacodylic acid as an active ingredient have been used extensively in the USA, from golf courses to cotton fields, and drying-out the plants before harvesting...
June 12, 2017: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/28663148/oral-reproductive-and-developmental-toxicity-of-lignosus-rhinocerotis-mycelium-in-rat
#14
Bo-Yi Jhou, Hsiao-Hui Liu, Shu-Hsing Yeh, Chin-Chu Chen
ETHNOPHARMACOLOGICAL RELEVANCE: Lignosus rhinocerotis (L. rhinocerotis), also known as the tiger milk mushroom, is widely used as traditional medicine and as soup ingredient in Malaysia and Hong Kong. It is edible and is used traditionally for the treatment of fever, cough, asthma, wounds, chronic hepatitis, gastric ulcers and cancers. In view of its safety profile, little information is found in scientific literature. The objective of this study is to investigate developmental toxicity of L...
June 27, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28657208/silibinin-stimluates-apoptosis-by-inducing-generation-of-ros-and-er-stress-in-human-choriocarcinoma-cells
#15
Jiyeon Ham, Whasun Lim, Fuller W Bazer, Gwonhwa Song
Silibinin is a flavonolignan extracted from seeds of milk thistles. Traditionally, it has been used as a therapeutic agent for liver disorders, and now it is well-known for its anti-cancer effects. However, studies on anti-cancer effects of silibinin on choriocarcinoma are very limited. Therefore, we performed proliferation and apoptosis assays to determine effects of silibinin on the viability of human choriocarcinoma (JAR and JEG3) cells. Our results showed that silibinin significantly inhibited proliferation and induced apoptosis in both JAR and JEG3 cells, and significantly increased reactive oxygen species (ROS) and lipid peroxidation...
June 28, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28653875/mfg-e8-overexpression-promotes-colorectal-cancer-progression-via-akt-mmps-signalling
#16
Qiujie Zhao, Lin Xu, Xiaoyan Sun, Kai Zhang, Huimin Shen, Yanan Tian, Fengkai Sun, Yanqing Li
Several studies have revealed that MFG-E8 (milk fat globule-epidermal growth factor 8) is related to tumour development and progression. However, the relationship between MFG-E8 expression and metastasis in colorectal cancer patients and the role of MFG-E8 in colorectal cancer invasion and progression remain unknown. In this study, we performed immunohistochemistry and quantitative real-time polymerase chain reaction to assess MFG-E8 expression in colorectal cancer and adjacent non-cancerous tissues. Colorectal cancer RNAseq data from The Cancer Genome Atlas project were downloaded and MFG-E8 expression was analysed...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28649371/recent-advances-in-microbial-fermentation-for-dairy-and-health
#17
REVIEW
Daragh Hill, Ivan Sugrue, Elke Arendt, Colin Hill, Catherine Stanton, R Paul Ross
Microbial fermentation has been used historically for the preservation of foods, the health benefits of which have since come to light. Early dairy fermentations depended on the spontaneous activity of the indigenous microbiota of the milk. Modern fermentations rely on defined starter cultures with desirable characteristics to ensure consistency and commercial viability. The selection of defined starters depends on specific phenotypes that benefit the product by guaranteeing shelf life and ensuring safety, texture, and flavour...
2017: F1000Research
https://www.readbyqxmd.com/read/28643865/characterization-and-biological-function-of-milk-derived-mirnas
#18
Regina Golan-Gerstl, Yaffa Elbaum Shiff, Vardit Lavi-Moshayoff, Daniel Schecter Dena Leshkowitz, Shimon Reif
SCOPE: Breastfeeding is associated with reduced risk of infection, immune mediated disorders, obesity and even cancer. Recently it was found that breast milk contains a variety of microRNAs (miRNAs) in the skim and fat layer that can be transferred to infants, and appear to play important roles in those biological functions. METHODS AND RESULTS: This study applied Next Generation Sequencing and quantitative real time PCR analysis to determine the miRNA expression profile of the skim and fat fraction of human, goat, and bovine milk as well as infant formulas...
June 23, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28611768/innate-immunity-and-breast-milk
#19
REVIEW
Nicole Theresa Cacho, Robert M Lawrence
Human milk is a dynamic source of nutrients and bioactive factors; unique in providing for the human infant's optimal growth and development. The growing infant's immune system has a number of developmental immune deficiencies placing the infant at increased risk of infection. This review focuses on how human milk directly contributes to the infant's innate immunity. Remarkable new findings clarify the multifunctional nature of human milk bioactive components. New research techniques have expanded our understanding of the potential for human milk's effect on the infant that will never be possible with milk formulas...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28594102/the-inhibition-effects-of-some-natural-products-on-lactoperoxidase-purified-from-bovine-milk
#20
Zeynep Köksal, Ramazan Kalın, Serpil Gerni, İlhami Gülçin, Hasan Özdemir
In this study, inhibition profiles of some natural products, which are digoxin, L-Dopa, dopamine, isoliquiritigenin, and 1,1,2,2-tetrakis(p-hydroxyphenyl)ethane (Tetrakis), were investigated against bovine lactoperoxidase (LPO) enzyme. Digoxin, L-Dopa, and dopamine are active ingredients of some drugs, which have important functions in our body, especially in cases of heart failure. Isoliquiritigenin and tetrakis are types of natural phenolic compounds, which play an important role in cancer prevention and treatment...
June 8, 2017: Journal of Biochemical and Molecular Toxicology
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