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https://www.readbyqxmd.com/read/28335577/gc-ms-metabolomic-analysis-to-reveal-the-metabolites-and-biological-pathways-involved-in-the-developmental-stages-and-tissue-response-of-panax-ginseng
#1
Jia Liu, Yang Liu, Yu Wang, Ann Abozeid, Yuan-Gang Zu, Xiao-Ning Zhang, Zhong-Hua Tang
Ginsenosides, the major compounds present in ginseng, are known to have numerous physiological and pharmacological effects. The physiological processes, enzymes and genes involved in ginsenoside synthesis in P. ginseng have been well characterized. However, relatively little information is known about the dynamic metabolic changes that occur during ginsenoside accumulation in ginseng. To explore this topic, we isolated metabolites from different tissues at different growth stages, and identified and characterized them by using gas chromatography coupled with mass spectrometry (GC-MS)...
March 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335520/endoplasmic-reticulum-stress-and-unfolded-protein-response-in-cartilage-pathophysiology-contributing-factors-to-apoptosis-and-osteoarthritis
#2
REVIEW
Alexandria Hughes, Alexandra E Oxford, Ken Tawara, Cheryl L Jorcyk, Julia Thom Oxford
Chondrocytes of the growth plate undergo apoptosis during the process of endochondral ossification, as well as during the progression of osteoarthritis. Although the regulation of this process is not completely understood, alterations in the precisely orchestrated programmed cell death during development can have catastrophic results, as exemplified by several chondrodystrophies which are frequently accompanied by early onset osteoarthritis. Understanding the mechanisms that underlie chondrocyte apoptosis during endochondral ossification in the growth plate has the potential to impact the development of therapeutic applications for chondrodystrophies and associated early onset osteoarthritis...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335519/translating-developmental-origins-improving-the-health-of-women-and-their-children-using-a-sustainable-approach-to-behaviour-change
#3
Mary Barker, Janis Baird, Tannaze Tinati, Christina Vogel, Sofia Strömmer, Taylor Rose, Rufia Begum, Megan Jarman, Jenny Davies, Sue Thompson, Liz Taylor, Hazel Inskip, Cyrus Cooper, Don Nutbeam, Wendy Lawrence
Theories of the developmental origins of health and disease imply that optimising the growth and development of babies is an essential route to improving the health of populations. A key factor in the growth of babies is the nutritional status of their mothers. Since women from more disadvantaged backgrounds have poorer quality diets and the worst pregnancy outcomes, they need to be a particular focus. The behavioural sciences have made a substantial contribution to the development of interventions to support dietary changes in disadvantaged women...
March 20, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28335515/dehydroepiandrosterone-dhea-feeding-protects-liver-steatosis-in-obese-breast-cancer-rat-model
#4
Reza Hakkak, Andrea Bell, Soheila Korourian
Obesity is a major health problem in the US and globally. Obesity is associated with the risk of cardiovascular disease, type 2 diabetes, cancers, hyperlipidemia, and liver steatosis development. Dehydroepiandrosterone (DHEA) is a dietary supplement used as an anti-obesity supplement. Previously, we reported that DHEA feeding protects 7,12-dimethylbenz(a)anthracene (DMBA)-induced mammary tumors. The objectives of this study were to investigate the effects of obesity and DHEA feeding on liver steatosis, body weight gain, and serum DHEA, DHEA sulfate (DHEA-S), insulin-like growth factor-1 (IGF-1), and insulin-like growth factor binding protein-3 (IGFBP-3) levels...
March 20, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28335476/inhibition-of-neoplastic-transformation-and-chemically-induced-skin-hyperplasia-in-mice-by-traditional-chinese-medicinal-formula-si-wu-tang
#5
Mandy M Liu, Kevin M Huang, Steven Yeung, Andy Chang, Suhui Zhang, Nan Mei, Cyrus Parsa, Robert Orlando, Ying Huang
Exploring traditional medicines may lead to the development of low-cost and non-toxic cancer preventive agents. Si-Wu-Tang (SWT), comprising the combination of four herbs, Rehmanniae, Angelica, Chuanxiong, and Paeoniae, is one of the most popular traditional Chinese medicines for women's diseases. In our previous studies, the antioxidant Nrf2 pathways were strongly induced by SWT in vitro and in vivo. Since Nrf2 activation has been associated with anticarcinogenic effects, the purpose of this study is to evaluate SWT's activity of cancer prevention...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28335466/a-specific-mixture-of-nutrients-suppresses-ovarian-cancer-a-2780-tumor-incidence-growth-and-metastasis-to-lungs
#6
Mohd Waheed Roomi, Tatiana Kalinovsky, Matthias Rath, Aleksandra Niedzwiecki
Ovarian cancer is the deadliest gynecological malignancy in women, and fifth leading cause of death. Despite advances made in chemotherapy and surgery, the average time of clinical remission is approximately 2 years and the 5-year survival rate is 45%. Thus, there is an urgent need for the development of a novel therapeutic approach to ovarian cancer treatment. We investigated the effect of a specific nutrient mixture (EPQ) containing ascorbic acid, lysine, proline, green tea extract, and quercetin on human ovarian cancer cell A-2780 in vivo and in vitro...
March 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28335438/the-food-production-environment-and-the-development-of-antimicrobial-resistance-in-human-pathogens-of-animal-origin
#7
REVIEW
Manjusha Lekshmi, Parvathi Ammini, Sanath Kumar, Manuel F Varela
Food-borne pathogens are a serious human health concern worldwide, and the emergence of antibiotic-resistant food pathogens has further confounded this problem. Once-highly-efficacious antibiotics are gradually becoming ineffective against many important pathogens, resulting in severe treatment crises. Among several reasons for the development and spread of antimicrobial resistance, their overuse in animal food production systems for purposes other than treatment of infections is prominent. Many pathogens of animals are zoonotic, and therefore any development of resistance in pathogens associated with food animals can spread to humans through the food chain...
March 14, 2017: Microorganisms
https://www.readbyqxmd.com/read/28335342/innovative-self-cleaning-and-biocompatible-polyester-textiles-nano-decorated-with-fe-n-doped-titanium-dioxide
#8
Ionela Cristina Nica, Miruna Silvia Stan, Anca Dinischiotu, Marcela Popa, Mariana Carmen Chifiriuc, Veronica Lazar, Gratiela G Pircalabioru, Eugenia Bezirtzoglou, Ovidiu G Iordache, Elena Varzaru, Iuliana Dumitrescu, Marcel Feder, Florin Vasiliu, Ionel Mercioniu, Lucian Diamandescu
The development of innovative technologies to modify natural textiles holds an important impact for medical applications, including the prevention of contamination with microorganisms, particularly in the hospital environment. In our study, Fe and N co-doped TiO₂ nanoparticles have been obtained via the hydrothermal route, at moderate temperature, followed by short thermal annealing at 400 °C. These particles were used to impregnate polyester (PES) materials which have been evaluated for their morphology, photocatalytic performance, antimicrobial activity against bacterial reference strains, and in vitro biocompatibility on human skin fibroblasts...
November 15, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335269/galactosylated-liposomes-for-targeted-co-delivery-of-doxorubicin-vimentin-sirna-to-hepatocellular-carcinoma
#9
Hea Ry Oh, Hyun-Young Jo, James S Park, Dong-Eun Kim, Je-Yoel Cho, Pyung-Hwan Kim, Keun-Sik Kim
The combination of therapeutic nucleic acids and chemotherapeutic drugs has shown great promise for cancer therapy. In this study, asialoglycoprotein receptors (ASGPR) targeting-ligand-based liposomes were tested to determine whether they can co-deliver vimentin siRNA and doxorubicin to hepatocellular carcinoma (HCC) selectively. To achieve this goal, we developed an ASGPR receptor targeted co-delivery system called gal-doxorubicin/vimentin siRNA liposome (Gal-DOX/siRNA-L). The Gal-DOX/siRNA-L was created via electrostatic interaction of galactose linked-cationic liposomal doxorubicin (Gal-DOX-L) on vimentin siRNA...
July 30, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335236/complex-morphology-metal-based-nanostructures-fabrication-characterization-and-applications
#10
REVIEW
Antonella Gentile, Francesco Ruffino, Maria Grazia Grimaldi
Due to their peculiar qualities, metal-based nanostructures have been extensively used in applications such as catalysis, electronics, photography, and information storage, among others. New applications for metals in areas such as photonics, sensing, imaging, and medicine are also being developed. Significantly, most of these applications require the use of metals in the form of nanostructures with specific controlled properties. The properties of nanoscale metals are determined by a set of physical parameters that include size, shape, composition, and structure...
June 6, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335096/estimation-of-methane-emissions-from-local-and-crossbreed-beef-cattle-in-dak-lak-province-of-vietnam
#11
Carlos Alberto Ramírez-Restrepo, Dung Van Tien, Ngoan Le Duc, Mario Herrero, Phung Le Dinh, Dung Dinh Van, Sen Le Thi Hoa, Cuong Vu Chi, Cesar Solano-Patiño, Amy M Lerner, Timothy D Searchinger
Objective: This study was aimed at evaluating effects of cattle breed resources and alternative mixed-feeding practices on meat productivity and emission intensities from household farming systems in Daklak Province, Vietnam. Methods: Records from Local Yellow x Red Sindhi (Bos indicus; Lai Sind) and ½ Limousin, ½ Drought Master and ½ Red Angus cattle during the growth (0 to 21 months) and fattening (22 to 25 months) periods were used to better understand variations on meat productivity and enteric methane emissions...
March 21, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28334990/insulin-resistance-and-exendin-4-treatment-for-multiple-system-atrophy
#12
Fares Bassil, Marie-Hélène Canron, Anne Vital, Erwan Bezard, Yazhou Li, Nigel H Greig, Seema Gulyani, Dimitrios Kapogiannis, Pierre-Olivier Fernagut, Wassilios G Meissner
Multiple system atrophy is a fatal sporadic adult-onset neurodegenerative disorder with no symptomatic or disease-modifying treatment available. The cytopathological hallmark of multiple system atrophy is the accumulation of α-synuclein aggregates in oligodendrocytes, forming glial cytoplasmic inclusions. Impaired insulin/insulin-like growth factor-1 signalling (IGF-1) and insulin resistance (i.e. decreased insulin/IGF-1) have been reported in other neurodegenerative disorders such as Alzheimer's disease. Increasing evidence also suggests impaired insulin/IGF-1 signalling in multiple system atrophy, as corroborated by increased insulin and IGF-1 plasma concentrations in multiple system atrophy patients and reduced IGF-1 brain levels in a transgenic mouse model of multiple system atrophy...
March 14, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334989/impaired-fetal-muscle-development-and-jak-stat-activation-mark-disease-onset-and-progression-in-a-mouse-model-for-merosin-deficient-congenital-muscular-dystrophy
#13
Andreia M Nunes, Ryan D Wuebbles, Apurva Sarathy, Tatiana M Fontelonga, Marianne Deries, Dean J Burkin, Sólveig Thorsteinsdóttir
Merosin-deficient congenital muscular dystrophy type 1A (MDC1A) is a dramatic neuromuscular disease in which crippling muscle weakness is evident from birth. Here we use the dyW mouse model for human MDC1A to trace the onset of the disease during development in utero. We find that myotomal and primary myogenesis proceed normally in homozygous dyW-/-embryos. Fetal dyW-/-muscles display the same number of myofibers as wildtype muscles, but by E18.5 dyW-/-muscles are significantly smaller and muscle size is not recovered post-natally...
March 7, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28334937/dynamically-and-epigenetically-coordinated-gata-ets-sox-transcription-factor-expression-is-indispensable-for-endothelial-cell-differentiation
#14
Yasuharu Kanki, Ryo Nakaki, Teppei Shimamura, Taichi Matsunaga, Kohei Yamamizu, Shiori Katayama, Jun-Ichi Suehiro, Tsuyoshi Osawa, Hiroyuki Aburatani, Tatsuhiko Kodama, Youichiro Wada, Jun K Yamashita, Takashi Minami
Although studies of the differentiation from mouse embryonic stem (ES) cells to vascular endothelial cells (ECs) provide an excellent model for investigating the molecular mechanisms underlying vascular development, temporal dynamics of gene expression and chromatin modifications have not been well studied. Herein, using transcriptomic and epigenomic analyses based on H3K4me3 and H3K27me3 modifications at a genome-wide scale, we analysed the EC differentiation steps from ES cells and crucial epigenetic modifications unique to ECs...
March 17, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334699/robust-cell-tracking-in-epithelial-tissues-through-identification-of-maximum-common-subgraphs
#15
Jochen Kursawe, Rémi Bardenet, Jeremiah J Zartman, Ruth E Baker, Alexander G Fletcher
Tracking of cells in live-imaging microscopy videos of epithelial sheets is a powerful tool for investigating fundamental processes in embryonic development. Characterizing cell growth, proliferation, intercalation and apoptosis in epithelia helps us to understand how morphogenetic processes such as tissue invagination and extension are locally regulated and controlled. Accurate cell tracking requires correctly resolving cells entering or leaving the field of view between frames, cell neighbour exchanges, cell removals and cell divisions...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28334695/how-the-embryonic-chick-brain-twists
#16
Zi Chen, Qiaohang Guo, Eric Dai, Nickolas Forsch, Larry A Taber
During early development, the tubular embryonic chick brain undergoes a combination of progressive ventral bending and rightward torsion, one of the earliest organ-level left-right asymmetry events in development. Existing evidence suggests that bending is caused by differential growth, but the mechanism for the predominantly rightward torsion of the embryonic brain tube remains poorly understood. Here, we show through a combination of in vitro experiments, a physical model of the embryonic morphology and mechanics analysis that the vitelline membrane (VM) exerts an external load on the brain that drives torsion...
November 2016: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28334680/assessing-driving-forces-of-land-use-and-land-cover-change-by-a-mixed-method-approach-in-north-eastern-ghana-west-africa
#17
Janina Kleemann, Gülendam Baysal, Henry N N Bulley, Christine Fürst
Land use and land cover change (LULCC) is the result of complex human-environmental interactions. The high interdependencies in social-ecological systems make it difficult to identify the main drivers. However, knowledge of key drivers of LULCC, including indirect (underlying) drivers which cannot be easily determined by spatial or economic analyses, is essential for land use planning and especially important in developing countries. We used a mixed-method approach in order to detect drivers of LULCC in the Upper East Region of northern Ghana by different qualitative and quantitative methods which were compared in a confidence level analysis...
March 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28334379/influence-of-different-hazelnut-cultivars-on-some-demographic-characteristics-of-the-filbert-aphid-hemiptera-aphididae
#18
Ali Güncan, Ebru Gümüs
The filbert aphid Myzocallis coryli (Goeze) is a serious pest of hazelnut in North America, Italy, Spain, and Turkey. To evaluate the resistance of hazelnut to this insect, aphids were reared on five major cultivars ('Tombul,' 'Palaz,' 'Çakıldak,' 'Foşa,' and 'Mincane') under laboratory conditions. The developmental times of preadult and adult stages, total longevity, reproduction, and life table parameters were analyzed according to age-stage, two-sex life table theory, in which the stage differentiation and variable developmental rates among individuals could be described...
March 13, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334319/erbb4-acts-as-a-suppressor-in-the-development-of-hepatocellular-carcinoma
#19
Yao Liu, Liming Song, Hengli Ni, Lina Sun, Weijuan Jiao, Lin Chen, Qun Zhou, Tong Shen, Hongxia Cui, Tianming Gao, Jianming Li
ERBB4, one member of the epidermal growth factor receptor (EGFR) family, plays a key role in physiological and pathological processes. Recently, we identified that ERBB4 played a protective role from chronic hepatitis B virus infection. However, the role of ERBB4 in hepatocellular carcinoma (HCC) is still unclear. Here, we explore the role of ERBB4 in the development of HCC using in vitro models, in vivo animal models and clinical samples of HCC. Liver-specific ERBB4 knockout alleles and full ERBB4 except heart knockout mice were used in this study...
March 14, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28334271/a-temperature-dependent-phenology-model-for-liriomyza-huidobrensis-diptera-agromyzidae
#20
Norma Mujica, Marc Sporleder, Pablo Carhuapoma, Jürgen Kroschel
Liriomyza huidobrensis (Blanchard) is an economically important and highly polyphagous worldwide pest. To establish a temperature-dependent phenology model, essential for understanding the development and growth of the pest population under a variety of climates and as part of a pest risk analysis, L. huidobrensis life-table data were collected under laboratory conditions at seven constant temperatures on its host faba bean (Vicia faba L.). Several nonlinear equations were fitted to each life stage to model the temperature-dependent population growth and species life history and finally compile an overall temperature-dependent pest phenology model using the Insect Life Cycle Modeling (ILCYM) software...
March 8, 2017: Journal of Economic Entomology
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