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https://www.readbyqxmd.com/read/28230778/caffeic-acid-expands-anti-tumor-effect-of-metformin-in-human-metastatic-cervical-carcinoma-htb-34-cells-implications-of-ampk-activation-and-impairment-of-fatty-acids-de-novo-biosynthesis
#1
Malgorzata Tyszka-Czochara, Pawel Konieczny, Marcin Majka
The efficacy of cancer treatments is often limited and associated with substantial toxicity. Appropriate combination of drug targeting specific mechanisms may regulate metabolism of tumor cells to reduce cancer cell growth and to improve survival. Therefore, we investigated the effects of anti-diabetic drug Metformin (Met) and a natural compound caffeic acid (trans-3,4-dihydroxycinnamic acid, CA) alone and in combination to treat an aggressive metastatic human cervical HTB-34 (ATCC CRL-1550) cancer cell line...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28229932/csn5-jab1-suppresses-the-wnt-inhibitor-dkk1-in-colorectal-cancer-cells
#2
Sandra Jumpertz, Thomas Hennes, Yaw Asare, Anke K Schütz, Jürgen Bernhagen
The COP9 signalosome (CSN) is a multi-protein complex that is highly conserved in eukaryotes. Due to its regulatory impact on processes such as cell cycle, DNA damage response and apoptosis, the CSN is essential for mammalian cells. One of the best-studied functions of the CSN is the deNEDDylation of cullin-RING ligases (CRLs) via its catalytically active subunit CSN5/JAB1, thereby triggering the degradation of various target proteins. CSN5 was found to be overexpressed in many human cancer entities, including colon adenocarcinoma...
February 13, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28222836/presumptive-spontaneous-lysosomal-storage-like-disease-in-a-crl-cd1-icr-mouse
#3
Krista M Hernon, Tiffany L Whitcomb, Lori Davis, Timothy K Cooper
A clinically unremarkable 4.5-mo-old female Crl:CD1(ICR) VAF/Elite mouse was euthanized for scheduled sentinel processing. Gross necropsy findings included significant hepatosplenomegaly and visceral lymphadenomegaly, resulting in a preliminary gross diagnosis of lymphoma. Histology revealed florid accumulations of large, 'foamy' macrophages present in the bone marrow, small intestines, and viscera including liver, spleen, lymph nodes, thymus, uterus, and ovaries. The cytoplasm of these cells was abundant, stained pale blue with Wright-Giemsa and was periodic acid-Schiff positive...
February 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28181320/are-foetal-ultrasonographic-and-maternal-blood-progesterone-measurements-near-parturition-reliable-predictors-of-the-time-of-birth-in-the-domestic-cat
#4
R Keiser, I M Reichler, O Balogh
In cats, accuracy of parturition day prediction by ultrasonographic measurement of foetal structures is decreasing towards the end of gestation. Foetal measurements during the last days of pregnancy are scarce. We determined foetal biparietal, abdominal and eye diameter (BPD, AD and ED, respectively) by ultrasonography as well as maternal blood progesterone (P4) within five days of delivery to predict parturition date and calculate accuracy of prediction. Foetal BPD at birth was compared with newborn kitten head diameter (HD)...
February 8, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28166272/activation-of-mapk-erk-signaling-by-burkholderia-pseudomallei-cycle-inhibiting-factor-cif
#5
Mei Ying Ng, Mei Wang, Patrick J Casey, Yunn-Hwen Gan, Thilo Hagen
Cycle inhibiting factors (Cifs) are virulence proteins secreted by the type III secretion system of some Gram-negative pathogenic bacteria including Burkholderia pseudomallei. Cif is known to function to deamidate Nedd8, leading to inhibition of Cullin E3 ubiquitin ligases (CRL) and consequently induction of cell cycle arrest. Here we show that Cif can function as a potent activator of MAPK/ERK signaling without significant activation of other signaling pathways downstream of receptor tyrosine kinases. Importantly, we found that the ability of Cif to activate ERK is dependent on its deamidase activity, but independent of Cullin E3 ligase inhibition...
2017: PloS One
https://www.readbyqxmd.com/read/28164322/reference-ranges-of-placental-volume-measured-by-virtual-organ-computer-aided-analysis-between-10-and-14-weeks-of-gestation
#6
Daranee Meengeonthong, Suchaya Luewan, Supatra Sirichotiyakul, Theera Tongsong
OBJECTIVE: To establish the reference ranges of the placental volume between 10 and 14 weeks of gestation of Thai fetuses. METHODS: The placental volumes were acquired in normal pregnancies between 10 and 14 weeks of gestation using transabdominal three-dimensional ultrasound. The placental volume was then analyzed using VOCAL (virtual organ computer-aided analysis) technique with a rotation angle of 30°. The measured values were regressed to identify the best-fit model...
February 6, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28161414/dairy-propionibacteria-prevent-the-proliferative-effect-of-plant-lectins-on-sw480%C3%A2-cells-and-protect-the-metabolic-activity-of-the-intestinal-microbiota-in%C3%A2-vitro
#7
Gabriela Zárate, Gabriel D Sáez, Adriana Pérez Chaia
Plant lectins are specific carbohydrate-binding proteins that are widespread in legumes such as beans and pulses, seeds, cereals, and many plants used as farm feeds. They are highly resistant to cooking and digestion, reaching the intestinal lumen and/or blood circulation with biological activity. Since many legume lectins trigger harmful local and systemic reactions after their binding to the mucosal surface, these molecules are generally considered anti-nutritive and/or toxic substances. In the gut, specific cell receptors and bacteria may interact with these dietary components, leading to changes in intestinal physiology...
February 1, 2017: Anaerobe
https://www.readbyqxmd.com/read/28142138/three-dimensional-imaging-based-web-application-for-predicting-tracheal-tube-depth-in-preterm-neonates
#8
Raksa Tupprasoot, Dean Langan, J Ciaran Hutchinson, Hannah Barrett, Michael R J Sury, Owen J Arthurs
BACKGROUND: Positioning a tracheal tube (TT) to the correct depth in preterm infants is challenging. Currently, there is no reliable single-predictor model for neonates applicable to the whole range of size or age. OBJECTIVE: In this study, we used post-mortem magnetic resonance imaging (PMMRI) of preterm infants to measure tracheal dimensions and to develop a clinical guide for TT positioning. METHODS: We measured tracheal length (TL) and tracheal diameter (TD) in a cohort of normal neonates and foetuses that underwent PMMRI (cause of death unexplained)...
February 1, 2017: Neonatology
https://www.readbyqxmd.com/read/28137490/comparative-effectiveness-of-mepolizumab-and-omalizumab-in-severe-asthma-an-indirect-treatment-comparison
#9
Sarah M Cockle, Gillian Stynes, Necdet B Gunsoy, Daniel Parks, Rafael Alfonso-Cristancho, Jaro Wex, Eric S Bradford, Frank C Albers, Jenny Willson
BACKGROUND: Severe asthma is a heterogeneous disease. Patients with both eosinophilic and allergic asthma phenotypes may be eligible for treatment with mepolizumab and omalizumab. Evidence on the relative effectiveness of these treatments in this 'overlap' population would be informative for clinical and payer decision making. METHODS: A systematic literature review and indirect treatment comparison (Bayesian framework) were performed to assess the comparative effectiveness and tolerability of mepolizumab and omalizumab, as add-ons to standard of care...
February 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28125003/co-immobilization-of-enzymes-and-magnetic-nanoparticles-by-metal-nucleotide-hydrogelnanofibers-for-improving-stability-and-recycling
#10
Chunfang Li, Shuhui Jiang, Xinying Zhao, Hao Liang
In this paper we report a facile method for preparing co-immobilized enzyme and magnetic nanoparticles (MNPs) using metal coordinated hydrogel nanofibers. Candida rugosa lipase (CRL) was selected as guest protein. For good aqueous dispersity, low price and other unique properties, citric acid-modified magnetic iron oxide nanoparticles (CA-Fe₃O₄ NPs) have been widely used for immobilizing enzymes. As a result, the relative activity of CA-Fe₃O₄@Zn/AMP nanofiber-immobilized CRL increased by 8-fold at pH 10...
January 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28100706/oscul3a-negatively-regulates-cell-death-and-immunity-by-degrading-osnpr1-in-rice
#11
Qun-En Liu, Yuese Ning, Yingxin Zhang, Ning Yu, Chunde Zhao, Xiaodeng Zhan, Weixun Wu, Daibo Chen, Xiangjin Wei, Guo-Liang Wang, Shihua Cheng, Liyong Cao
Cullin3-based RING E3 ubiquitin ligases (CRL3), composed of Cullin3 (CUL3), RBX1, and BTB proteins, are involved in plant immunity but the function of CUL3 in the process is largely unknown. Here, we show that rice OsCUL3a is important for the regulation of cell death and immunity. The rice lesion mimic mutant oscul3a displays a significant increase in the accumulation of flg22- and chitin-induced reactive oxygen species, and in pathogenesis-related gene expression as well as resistance to Magnaporthe oryzae and Xanthomonas oryzae pv...
January 18, 2017: Plant Cell
https://www.readbyqxmd.com/read/28087919/presumptive-spontaneous-lysosomal-storage-like-disease-in-a-crl-cd1-icr-mouse
#12
Krista M
A clinically unremarkable 4.5-mo-old female Crl:CD1(ICR) VAF/Elite mouse was euthanized for scheduled sentinel processing.Gross necropsy findings included significant hepatosplenomegaly and visceral lymphadenomegaly, resulting in a preliminarygross diagnosis of lymphoma. Histology revealed florid accumulations of large, 'foamy' macrophages present in the bone marrow, small intestines, and viscera including liver, spleen, lymph nodes, thymus, uterus, and ovaries. The cytoplasm of these cells was abundant, stained pale blue with Wright-Giemsa and was periodic acid-Schiff positive...
January 13, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28078758/periconceptional-maternal-high-fish-and-olive-oil-low-meat-dietary-pattern-is-associated-with-increased-embryonic-growth-the-rotterdam-periconceptional-cohort-predict-study
#13
Francesca Parisi, Melek Rousian, Nicole A Huijgen, Anton H J Koning, Sten P Willemsen, Jeanne H M de Vries, Irene Cetin, Eric A P Steegers, Régine P M Steegers-Theunissen
OBJECTIVE: To investigate associations between periconceptional maternal dietary patterns and first trimester embryonic growth. METHODS: 228 women with singleton ongoing pregnancies were enrolled in a prospective periconceptional cohort study, comprising of 135 strictly dated spontaneous pregnancies and 93 pregnancies achieved after in vitro fertilization or intracytoplasmatic sperm injection (IVF/ICSI pregnancies). All women underwent longitudinal transvaginal three-dimensional ultrasound (3D-US) scans from 6(+0) up to 13(+0) weeks of gestation...
January 12, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28069173/periconceptional-maternal-biomarkers-of-one-carbon%C3%A2-metabolism-and-embryonic-growth-trajectories-the-rotterdam-periconceptional-cohort-predict-study
#14
Francesca Parisi, Melek Rousian, Anton H J Koning, Sten P Willemsen, Irene Cetin, Eric A P Steegers, Régine P M Steegers-Theunissen
OBJECTIVE: To study the associations between the periconceptional maternal biomarkers of one-carbon metabolism and embryonic growth. DESIGN: Prospective, periconceptional hospital-based birth cohort. SETTING: Tertiary medical care center. PATIENT(S): Between 2010 and 2014, 236 women with early singleton ongoing pregnancies that resulted in 139 strictly dated spontaneous pregnancies and 97 pregnancies conceived after assisted reproductive technology...
January 6, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28068893/differences-in-types-and-incidence-of-neoplasms-in-wistar-han-and-sprague-dawley-rats
#15
Klaus Weber
A substantial quantity of data on Sprague-Dawley (SD) and Hannover Wistar rats strains have been published concerning their source, diet, and housing conditions, as well as the incidences of nonneoplastic lesions and neoplasms observed in different laboratories. Differences between the commonly used rat strains provided by different breeders (i.e., CD (SD) vs. Harlan Sprague-Dawley strain or Crl: WI(Han) vs. Wistar Hannover (Han)-derived strain, continued breeding by RCC Ltd., Switzerland, thereafter continued breeding by Harlan) may include, but are not limited to, body weight, incidence, and onset of major nonneoplastic lesions and neoplasms, and these can impact the development of a nonclinical safety program...
January 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28063263/three-dimensional-ultrasound-first-trimester-fetal-volume-measurement-and-its-relation-to-pregnancy-outcome
#16
Haitham A Torky, Asem A Moussa, Ali M Ahmad, Osama Dief, Manar A Eldesoouky, Ahmed S El-Gayed
AIM OF WORK: To determine whether fetal volume (FV) measured by three-dimensional (3D) ultrasound was able to detect fetuses at risk of low birth weight (primary outcome) and/or preterm labor (secondary outcome). METHODS: One hundred pregnant women carrying a singleton living pregnancy who were sure of dates, and had a dating scan, with gestational age between 11 weeks and 13 weeks+6 days coming for routine first trimester nuchal translucency (NT) were examined by both two-dimensional (2D) and 3D ultrasound (Vocal System) for crown-rump length (CRL) and FV then followed up regularly every 4 weeks until 28 weeks then biweekly until 36 weeks then weekly until delivery both clinically and by ultrasound biometry...
January 7, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28062907/prediction-of-fetal-loss-by-first-trimester-crown-rump-length-in-ivf-pregnancies
#17
Rinat Gabbay-Benziv, Amir Dolev, Ron Bardin, Israel Meizner, Benjamin Fisch, Avi Ben-Haroush
OBJECTIVE: To evaluate the association between small crown-rump length (CRL) and fetal loss ≤22 weeks in IVF pregnancies. METHODS: A retrospective analysis of prospectively collected data at a university-affiliated medical center. All singleton IVF pregnancies within a 5-year period, with a live embryo on first-trimester ultrasound and verified pregnancy outcome were included. Rates of fetal loss ≤22 weeks were compared between pregnancies with a CRL ≤tenth percentile and above the tenth percentile of our population...
January 7, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28060932/global-analysis-of-mannitol-2-dehydrogenase-in-lactobacillus-reuteri-crl-1101-during-mannitol-production-through-enzymatic-genetic-and-proteomic-approaches
#18
Maria Eugenia Ortiz, Juliana Bleckwedel, Silvina Fadda, Gianluca Picariello, Elvira M Hebert, Raúl R Raya, Fernanda Mozzi
Several plants, fungi, algae, and certain bacteria produce mannitol, a polyol derived from fructose. Mannitol has multiple industrial applications in the food, pharmaceutical, and medical industries, being mainly used as a non-metabolizable sweetener in foods. Many heterofermentative lactic acid bacteria synthesize mannitol when an alternative electron acceptor such as fructose is present in the medium. In previous work, we reported the ability of Lactobacillus reuteri CRL 1101 to efficiently produce mannitol from sugarcane molasses as carbon source at constant pH of 5...
2017: PloS One
https://www.readbyqxmd.com/read/28053879/lysozyme-association-with-circulating-rna-extracellular-vesicles-and-chronic-stress
#19
Sarah K Abey, Yuana Yuana, Paule V Joseph, Natnael D Kenea, Nicolaas H Fourie, LeeAnne B Sherwin, Gregory E Gonye, Paul A Smyser, Erin S Stempinski, Christina M Boulineaux, Kristen R Weaver, Christopher K E Bleck, Wendy A Henderson
BACKGROUND: Stress has demonstrated effects on inflammation though underlying cell-cell communication mechanisms remain unclear. We hypothesize that circulating RNAs and extracellular vesicles (EVs) in patients with chronic stress contain signals with functional roles in cell repair. METHODS: Blood transcriptome from patients with Irritable Bowel Syndrome versus controls were compared to identify signaling pathways and effectors. Plasma EVs were isolated (size-exclusion chromatography) and characterized for effectors' presence (immunogold labelling-electron microscopy)...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28052594/network-meta-analysis-of-probiotics-to-prevent-respiratory-infections-in-children-and-adolescents
#20
REVIEW
Marina Azambuja Amaral, Gabriela Helena Barbosa Ferreira Guedes, Matias Epifanio, Mario Bernardes Wagner, Marcus Herbert Jones, Rita Mattiello
Probiotics have emerged as a promising intervention for the prevention of respiratory tract infections (RTIs) in children. Assess the effect of probiotics on prevention of RTIs in children and adolescents. MEDLINE, EMBASE, LILACS, SCIELO, CINAHL, SCOPUS, and Web of Science. Key words: "respiratory tract infections" AND probiotics. Randomized controlled trials RCT assessing the effect of probiotics on RTIs in children and adolescents were included. Two reviewers, working independently, to identify studies that met the eligibility criteria...
January 3, 2017: Pediatric Pulmonology
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