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https://www.readbyqxmd.com/read/29353455/the-interplay-between-apolipoprotein-e4-and-the-autophagic-endocytic-lysosomal-axis
#1
REVIEW
E Schmukler, D M Michaelson, R Pinkas-Kramarski
Since its discovery as a genetic risk factor for Alzheimer's disease, the APOE4 allele has been linked to the majority of the pathological findings associated with the disease progression. These include abnormalities of the endocytic, autophagic, and lysosomal machineries, which begin at the most early stages of Alzheimer's disease development. Considering that these three vesicular systems share common features and, in fact, comprise an interconnected cargo-trafficking and degradation network, some of the effects of APOE4 are interrelated, while others are system-specific...
January 20, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29353449/blastulation-timing-is-associated-with-differential-mitochondrial-content-in-euploid-embryos
#2
Jacqueline R Ho, Nabil Arrach, Katherine Rhodes-Long, Wael Salem, Lynda K McGinnis, Karine Chung, Kristin A Bendikson, Richard J Paulson, Ali Ahmady
PURPOSE: Preimplantation genetic screening (PGS) and assessment of mitochondrial content (MC) are current methods for selection of the best embryos for transfer. Studies suggest that time-lapse morphokinetics (TLM) may also be helpful for selecting embryos more likely to implant. In our study, we sought to examine the relationship between TLM parameters and MC to determine if they could be used adjunctively in embryo selection. We also examined the relationship between MC with ploidy and blastulation...
January 20, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29353447/the-combined-pn-stage-and-breast-cancer-subtypes-in-breast-cancer-a-better-discriminator-of-outcome-can-be-used-to-refine-the-8th-ajcc-staging-manual
#3
Zheng-Jun Yang, Yue Yu, Jiang-Rui Chi, Meng Guan, Ying Zhao, Xu-Chen Cao
BACKGROUND: pN stage and breast cancer subtypes (BCS) are both well-recognized prognostic indicators. Our previous work has highlighted that patients even with the same pN stage exhibited a significant survival difference in different BCS. Given this achievement, we hypothesized that a statistical interaction might exist between pN stage and BCS. The aim of this retrospective cohort study was to compare the prognostic value of the combined pN stage and BCS (pNnew stage) with either pN stage or BCS alone, and to determine if this combined new stage could serve as an alternative discriminator of outcome...
January 20, 2018: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/29353442/flexible-pseudotyping-of-retrovirus-using-recombinase-mediated-cassette-exchange
#4
Hugo R Soares, Ana I Almeida, Hélio A Tomás, Paula M Alves, Ana S Coroadinha
OBJECTIVE: Develop an engineered cell line containing two flexible gene expression systems enabling the continuous production of tailor-made recombinant gammaretrovirus with predictable productivities through targeted integration. RESULTS: Dual-FLEX cells (dFLEX) contain two independent recombinase-mediated cassette exchange (RMCE) systems which confer flexibility to the expression of different transgene and envelope combinations. The flexible envelope expression in dFLEX cells was validated by pseudotyping retrovirus particles with three different viral envelope proteins-GaLV, 4070A and VSV-G...
January 20, 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29353432/post-translational-modifications-in-tumor-biomarkers-the-next-challenge-for-aptamers
#5
Ana Díaz-Fernández, Rebeca Miranda-Castro, Noemí de-Los-Santos-Álvarez, María Jesús Lobo-Castañón
Advances in proteomics have fueled the search for novel cancer biomarkers with higher selectivity. Differential expression of low abundant proteins has been the usual way of finding those biomarkers. The existence of a selective receptor for each biomarker is compulsory for their use in diagnostic/prognostic assays. Antibodies are the receptors of choice in most cases although aptamers are becoming familiar because of their facile and reproducible synthesis, chemical stability as well as comparable affinity and selectivity...
January 20, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29353371/a-systematic-assessment-of-google-search-queries-and-readability-of-online-gynecologic-oncology-patient-education-materials
#6
Alexandra Martin, J Ryan Stewart, Jeremy Gaskins, Erin Medlin
The Internet is a major source of health information for gynecologic cancer patients. In this study, we systematically explore common Google search terms related to gynecologic cancer and calculate readability of top resulting websites. We used Google AdWords Keyword Planner to generate a list of commonly searched keywords related to gynecologic oncology, which were sorted into five groups (cervical cancer, ovarian cancer, uterine cancer, vulvar cancer, vaginal cancer) using five patient education websites from sgo...
January 20, 2018: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/29353356/generation-of-shrimp-waste-based-dispersant-for-oil-spill-response
#7
Kedong Zhang, Baiyu Zhang, Xing Song, Bo Liu, Liang Jing, Bing Chen
In this study, shrimp waste was enzymatically hydrolyzed to generate a green dispersant and the product was tested for crude oil dispersion in seawater. The hydrolysis process was first optimized based on the dispersant effectiveness (DE) of the product. The functional properties of the product were identified including stability, critical micelle concentration, and emulsification activity. Water was confirmed as a good solvent for dispersant generation when compared with three chemical solvents. The effects of salinity, mixing energy, and temperature on the dispersion of the Alaska North Slope (ANS) crude oil were examined...
January 20, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29353331/construction-of-a-plasmid-vector-containing-epidermal-growth-factor-receptor-and-c-jun-shrna
#8
Hong Xiao, Ruinian Yang, Fang Yang, Yanan Zhao, Yin Liu
The objective of this study was to construct a plasmid vector for EGFR-hm-1 and C-Junh-825 small interfering RNA (siRNA). EGFR-hm-1 and C-Jun-hm-825 oligonucleotide fragments were synthesized and short hairpin RNA (shRNA) were amplified by PCR. Plasmids were isolated from E. coli TOP10 bacterium by restriction enzyme digestion using pst1 and BamH1 and oligonucleotide fragments were cloned into the pSilencer plasmid containing the U6 promoter. Recombinant clones were generated by transforming JM109 competent cells with plasmid vectors containing shRNA molecules...
January 20, 2018: Archives of Dermatological Research
https://www.readbyqxmd.com/read/29353309/methods-for-enhancing-cyanobacterial-stress-tolerance-to-enable-improved-production-of-biofuels-and-industrially-relevant-chemicals
#9
REVIEW
Rebecca L Kitchener, Amy M Grunden
Cyanobacteria are photosynthetic prokaryotes that can fix atmospheric CO2 and can be engineered to produce industrially important compounds such as alcohols, free fatty acids, alkanes used in next-generation biofuels, and commodity chemicals such as ethylene or farnesene. They can be easily genetically manipulated, have minimal nutrient requirements, and are quite tolerant to abiotic stress making them an appealing alternative to other biofuel-producing microbes which require additional carbon sources and plants which compete with food crops for arable land...
January 20, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29353288/quercetin-inhibits-breast-cancer-stem-cells-via-downregulation-of-aldehyde-dehydrogenase-1a1-aldh1a1-chemokine-receptor-type-4-cxcr4-mucin-1-muc1-and-epithelial-cell-adhesion-molecule-epcam
#10
Rong Wang, Laixiu Yang, Shen Li, Dongmei Ye, Lihong Yang, Qingyan Liu, Zibo Zhao, Qing Cai, Junzhen Tan, Xiuli Li
BACKGROUND Quercetin, nature's most common flavonoid, possesses anticarcinogenic properties against various forms of cancer. The aim of this study was to investigate the effect of quercetin on breast cancer stem cells in the MDA-MB-231 cell line, and to elucidate the possible mechanisms for those effects. MATERIAL AND METHODS We evaluated breast cancer stem cell proliferation, clone generation, and mammosphere formation to determine the effect of quercetin treatment on breast cancer stem cells. RESULTS In our study, quercetin suppressed breast cancer stem cell proliferation, self-renewal, and invasiveness...
January 21, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29353276/what-can-google-inform-us-about-people-s-interests-regarding-dental-caries-in-different-populations
#11
Patricia Estefania Aguirre, Melina Coelho, Thaís Oliveira, Daniela Rios, Agnes Fátima Cruvinel, Thiago Cruvinel
The diagnosis or suspicion of dental caries can lead people to seek additional information on the Internet through the use of structured queries in search engine tools. This action generates a considerable volume of data, which can be analyzed to provide a better understanding of the public's behavior linked to the consumption of oral health information. This study aimed to assess the volume and profile of web searches on dental caries-related queries performed by Google users from different countries. The monthly variation of the Search Volume Index (SVI) for dental caries was obtained in Google Trends for the period between January 2004 and September 2016...
January 20, 2018: Caries Research
https://www.readbyqxmd.com/read/29353246/a-concept-mapping-approach-to-identifying-the-barriers-to-implementing-an-evidence-based-sports-injury-prevention-programme
#12
Alex Donaldson, Aisling Callaghan, Mario Bizzini, Andrew Jowett, Patrick Keyzer, Matthew Nicholson
BACKGROUND AND AIM: Understanding the barriers to programme use is important to facilitate implementation of injury prevention programmes in real-word settings. This study investigated the barriers to coaches of adolescent female soccer teams, in Victoria, Australia, implementing the evidence-based FIFA 11+ injury prevention programme. METHODS: Concept mapping with data collected from 19 soccer coaches and administrators. RESULTS: Brainstorming generated 65 statements as barriers to 11+ implementation...
January 20, 2018: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/29353225/spectrum-of-mutations-in-index-patients-with-familial-hypercholesterolemia-in-singapore-single-center-study
#13
Sharon Li Ting Pek, Sanjaya Dissanayake, Jessie Choi Wan Fong, Michelle Xueqin Lin, Eric Zit Liang Chan, Justin I-Shing Tang, Chee Wan Lee, Hean Yee Ong, Chee Fang Sum, Su Chi Lim, Subramaniam Tavintharan
BACKGROUND AND AIMS: Familial hypercholesterolemia (FH) is an autosomal dominant genetic disease characterized by the presence of high plasma low density lipoproteins cholesterol (LDL-c). Patients with FH, with mutation detected, are at increased risk of premature cardiovascular disease compared to those without mutations. The aim of the study was to assess the type of mutations in patients, clinically diagnosed with FH in Singapore. METHODS: Patients (probands) with untreated/highest on-treatment LDL-c>4...
December 27, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29353217/vibrational-spectroscopic-study-of-cationic-phosphorus-dendrimers-with-aminoethylpiperidine-terminal-groups
#14
V L Furer, A E Vandyukov, V Tripathi, J P Majoral, A M Caminade, V I Kovalenko
Two generations of phosphoric dendrimers with piperidine functional groups were synthesized for use in biology and medicine. Neutral samples are soluble in organic solvents but after protonation these dendrimers become water soluble and can be used for biological experiments. The FTIR and FT Raman spectra of two generations of dendrimers Gi constructed from the cyclotriphosphazene core, repeating units OC6H4CHNN(CH3)P(S)< and aminoethylpiperidine end groups NH(CH2)2C5NH11 were recorded. The study of the IR spectra shows that the NH groups form hydrogen bonds...
January 12, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29353166/toxicological-responses-on-cytochrome-p450-and-metabolic-transferases-in-liver-of-goldfish-carassius-auratus-exposed-to-lead-and-paraquat
#15
Xiaoming Xu, Zhaojie Cui, Xinlei Wang, Xixin Wang, Su Zhang
As the producer of reactive oxygen species (ROS), both lead (Pb) and paraquat (PQ) can generate serious oxidative stress in target organs which result in irreversible toxic effects on organisms. They can disturb the normal catalytic activities of many enzymes by means of different toxicity mechanism. The changed responses of enzymes are frequently used as the biomarkers for indicating the relationship between toxicological effects and exposure levels. In this work, goldfish was exposed to a series of test groups containing lead and paraquat in the range of 0...
January 17, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29353158/quantification-of-light-induced-minisog-superoxide-production-using-the-selective-marker-2-hydroxyethidium
#16
Miriam E Barnett, Timothy M Baran, Thomas H Foster, Andrew P Wojtovich
Genetically-encoded photosensitizers produce reactive oxygen species (ROS) in response to light. Transgenic expression of fusion proteins can target the photosensitizers to specific cell regions and permit the spatial and temporal control of ROS production. These ROS-generating proteins (RGPs) are widely used for cell ablation, mutagenesis and chromophore-assisted light inactivation of target proteins. However, the species produced by RGPs are unclear due to indirect measures with confounding interpretations...
January 17, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29353145/extremely-low-frequency-electromagnetic-field-emf-generates-alterations-in-the-synthesis-and-secretion-of-oestradiol-17%C3%AE-e2-in-uterine-tissues-an-in%C3%A2-vitro-study
#17
Anna Koziorowska, Ewa Monika Waszkiewicz, Maria Romerowicz-Misielak, Kamila Zglejc-Waszak, Anita Franczak
An electromagnetic field (EMF) of extremely low frequency may affect physiological processes in mammals. The aim of the present study was to determine the effect of an EMF on the synthesis and secretion of oestradiol-17β (E2) in the porcine uterus. Endometrial and myometrial slices were harvested on days 12-13 of the oestrous cycle and exposed in vitro to an EMF (50 and 120 Hz, 8 mT) for 2 and 4 h in the presence or absence of progesterone (P4). Subsequently, the incubation media were used to determine the concentration of E2 with RIA...
January 9, 2018: Theriogenology
https://www.readbyqxmd.com/read/29353130/serum-mir-1181-and-mir-4314-associated-with-ovarian-cancer-mirna-microarray-data-analysis-for-a-pilot-study
#18
Lihong Ruan, Yuanyuan Xie, Fangmei Liu, Xuehua Chen
OBJECTIVE: This study aims to identify serum microRNAs (miRNAs) related to ovarian cancer. STUDY DESIGN: MiRNA profiling data (GSE79943) were generated from the Gene Expression Omnibus, including 3 serum samples from healthy individuals and 4/3/16/6 serum samples from patients with ovarian cancer stage I/II/III/IV. Differentially expressed miRNAs (DEmiRNAs) were identified between controls and ovarian cancer stage I/II/III/IV by using limma package (p-value <0...
January 9, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29353125/relationship-between-serum-trimethylamine-n-oxide-and-exposure-to-dioxin-like-pollutants
#19
Michael C Petriello, Richard Charnigo, Manjula Sunkara, Sony Soman, Marian Pavuk, Linda Birnbaum, Andrew J Morris, Bernhard Hennig
Trimethylamine N-oxide (TMAO) is a diet and gut microbiota-derived metabolite that has been linked to cardiovascular disease risk in human studies and animal models. TMAO levels show wide inter and intra individual variability in humans that can likely be accounted for by multiple factors including diet, the gut microbiota, levels of the TMAO generating liver enzyme Flavin-containing monooxygenase 3 (FMO3) and kidney function. We recently found that dioxin-like (DL) environmental pollutants increased FMO3 expression to elevate circulating diet-derived TMAO in mice, suggesting that exposure to this class of pollutants might also contribute to inter-individual variability in circulating TMAO levels in humans...
January 16, 2018: Environmental Research
https://www.readbyqxmd.com/read/29353112/bioleaching-of-metals-from-weee-shredding-dust
#20
Alessandra Marra, Alessandra Cesaro, Eldon R Rene, Vincenzo Belgiorno, Piet N L Lens
A bioleaching process developed in two separate steps was investigated for the recovery of base metals, precious metals and rare earth elements from dusts generated by Waste Electrical and Electronic Equipment (WEEE) shredding. In the first step, base metals were almost completely leached from the dust in 8 days by Acidithiobacillus thiooxidans (DSM 9463) that lowered the pH of the leaching solution from 3.5 to 1.0. During this step, cerium, europium and neodymium were mobilized at high percentages (>99%), whereas lanthanum and yttrium reached an extraction yield of 80%...
January 15, 2018: Journal of Environmental Management
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