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https://www.readbyqxmd.com/read/28212478/-risk-factors-related-with-ventilator-associated-pneumonia-in-a-neonatal-intensive-care-therapy
#1
Juan Pablo Romo-Gamboa, Bertha Alicia Sandoval-Pérez, Ana Bertha Rodríguez-López, Marco Antonio Torres-González, Juan Carlos Barrera-de León
BACKGROUND: Ventilator-associated pneumonia (VAP) represents the second cause of nosocomial infections and it is associated with greater morbility, duration of mechanical ventilation (MV), and hospital stay. The objective was to determine factors related with VAP in neonates. METHODS: Analytical transversal study including newborns admitted already intubated with at least 48 hours of MV or who were intubated in Neonatal Therapy. VAP was defined according to the criteria of the Centers for Disease Control and Prevention: "those patients submitted to MV during at least 48 hours"...
2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28212427/rbm46-regulates-mouse-embryonic-stem-cell-differentiation-by-targeting-%C3%AE-catenin-mrna-for-degradation
#2
Lei Zhai, Chenchen Wang, Yuanfan Chen, Shixin Zhou, Lingsong Li
Embryonic stem cells (ESCs) are pluripotent cells and have the capability for differentiation into any of the three embryonic germ layers. The Wnt/β-Catenin pathway has been shown to play an essential role in ESC differentiation regulation. Activation of β-Catenin by post-translational modification has been extensively studied. However, mechanism(s) of post-transcriptional regulation of β-Catenin are not well defined. In this study, we report an RNA recognition motif-containing protein (RNA binding motif protein 46, RBM46) which regulates the degradation of β-Catenin mRNA...
2017: PloS One
https://www.readbyqxmd.com/read/28212420/transcriptome-using-illumina-sequencing-reveals-the-traits-of-spermatogenesis-and-developing-testes-in-eriocheir-sinensis
#3
Gen-Liang Li, Hui Qian
Chinese mitten crab (Eriocheir sinensis) has the spermatozoa with typical aflagellate, decondensed chromatin, cup-shaped nuclei, and radial arms. However, the mechanism of spermatogenesis during which the specific spermatozoa are generated in this species is yet unclear. Here, the transcriptome of developing testis in E. sinensis was analyzed using the ways of RNA-seq and bioinformatics analysis to identify candidate genes potentially involved in development of testis and spermatogenesis. The Illumina HiSeq2500 sequencing of three replicons of samples produced a total of 145...
2017: PloS One
https://www.readbyqxmd.com/read/28211869/non-apoptotic-cell-death-in-animal-development
#4
REVIEW
Lena M Kutscher, Shai Shaham
Programmed cell death (PCD) is an important process in the development of multicellular organisms. Apoptosis, a form of PCD characterized morphologically by chromatin condensation, membrane blebbing, and cytoplasm compaction, and molecularly by the activation of caspase proteases, has been extensively investigated. Studies in Caenorhabditis elegans, Drosophila, mice, and the developing chick have revealed, however, that developmental PCD also occurs through other mechanisms, morphologically and molecularly distinct from apoptosis...
February 17, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28209842/phosphorylation-of-sporocyteless-nozzle-by-the-mpk3-6-kinase-is-required-for-anther-development
#5
Feng Zhao, Ya-Feng Zheng, Ting Zeng, Rui Sun, Ji-Yuan Yang, Yuan Li, Dongtao Ren, Hong Ma, Zhi-Hong Xu, Shu-Nong Bai
Germ cells are indispensable carriers of genetic information from one generation to the next. In contrast to the well-understood process in animals, information on the mechanism of germ cell initiation in plants is very limited. SPOROCYTELESS/NOZZLE (SPL/NZZ) was previously identified as an essential regulator of diploid germ cell (archesporial cell) differentiation in the stamens and ovules of Arabidopsis thaliana. Although SPL transcription is activated by the floral organ identity regulator AGAMOUS (AG) and epigenetically regulated by SET DOMAIN GROUP2 (SDG2), little is known about the regulation of the SPL protein...
February 16, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28209515/cell-type-specific-role-of-the-rna-binding-protein-nono-in-the-dna-double-strand-break-response-in-the-mouse-testes
#6
Shuyi Li, Feng-Jue Shu, Zhentian Li, Lahcen Jaafar, Shourong Zhao, William S Dynan
The tandem RNA recognition motif protein, NONO, was previously identified as a candidate DNA double-strand break (DSB) repair factor in a biochemical screen for proteins with end-joining stimulatory activity. Subsequent work showed that NONO and its binding partner, SFPQ, have many of the properties expected for bona fide repair factors in cell-based assays. Their contribution to the DNA damage response in intact tissue in vivo has not, however, been demonstrated. Here we compare DNA damage sensitivity in the testes of wild-type mice versus mice bearing a null allele of the NONO homologue (Nono (gt))...
February 10, 2017: DNA Repair
https://www.readbyqxmd.com/read/28209431/corrigendum-re-serum-levels-of-microrna-mir-371a-3p-a-sensitive-and-specific-new-biomarker-for-germ-cell-tumours-eur-urol-2017-71-213-20
#7
Klaus-Peter Dieckmann, Arlo Radtke, Meike Spiekermann, Thomas Balks, Cord Matthies, Pascal Becker, Christian Ruf, Christoph Oing, Karin Oechsle, Carsten Bokemeyer, Johannes Hammel, Sebastian Melchior, Werner Wosniok, Gazanfer Belge
No abstract text is available yet for this article.
February 13, 2017: European Urology
https://www.readbyqxmd.com/read/28208952/rare-site-of-parasitic-dermoid-cyst-at-uterovesical-fold-of-peritoneum-with-absent-one-sided-adnexa
#8
Sunita Dubey, Alka Sehgal, Puneeti Ballega, Rps Punia
Teratomas are the most common type of germ cell tumour. It can be congenital or acquired and are usually found in gonads (testes and ovaries). Parasitic dermoid cysts are rare and their actual incidence is unknown. We are reporting a case of 25-year-old gravida two, para one and one living child, who underwent emergency cesarean section in view of symptomatic placenta previa. A parasitic dermoid cyst was found incidently in front of uterus which was attached to uterovasical fold of bladder. This cyst did not show any connection to uterus or adnexa...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208887/sputum-collection-and-disposal-perceptions-and-practices-among-pulmonary-tuberculosis-patients-from-northern-india
#9
Abhishek Singh, Vipin Goyal, Shewtank Goel
INTRODUCTION: Even a single case of pulmonary Tuberculosis (TB) can infect many others. Hence, to ensure better control of the disease, it is imperative that all patients dispose their sputum safely. Outcomes of this study would highlight the gaps need to be bridged in order to curtail transmission of TB. AIM: To analyse and ascertain perceptions about the disease and determine the sputum collection and disposal practices followed by sputum-positive TB patients...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208606/ustiloxin-g-a-new-cyclopeptide-mycotoxin-from-rice-false-smut-balls
#10
Xiaohan Wang, Jian Wang, Daowan Lai, Weixuan Wang, Jungui Dai, Ligang Zhou, Yang Liu
Ustiloxins were cyclopeptide mycotoxins from rice false smut balls (FSBs) that formed in rice spikelets infected by the fungal pathogen Ustilaginoidea virens. To investigate the chemical diversity of these metabolites and their bioactivities, one new cyclopeptide, ustiloxin G (1), together with four known congeners-ustiloxins A (2), B (3), D (4), and F (5)-were isolated from water extract of rice FSBs. Their structures were elucidated by analyses of their physical and spectroscopic data, including ultraviolet spectrometry (UV), infrared spectroscopy (IR), 1D and 2D nuclear magnetic resonance (NMR), and high-resolution electrospray ionization-mass spectrometry (HR-ESI-MS)...
February 10, 2017: Toxins
https://www.readbyqxmd.com/read/28208526/re-expression-of-micrornas-of-c19mc-in-different-histological-types-of-testicular-germ-cell-tumour
#11
Jerome P Richie
No abstract text is available yet for this article.
March 2017: Journal of Urology
https://www.readbyqxmd.com/read/28207785/dna-methylation-of-the-fthl17-5-upstream-region-regulates-differential-fthl17-expression-in-lung-cancer-cells-and-germline-stem-cells
#12
Nana Aoki, Kentaro Mochizuki, Yasuhisa Matsui
The Ferritin heavy polypeptide-like 17 (Fthl17) gene is a member of the cancer/testis antigen gene family, and is preferentially expressed in cancer cells and in testis. Although DNA methylation has been linked to the regulation of human FTHL17 gene expression, detailed epigenetic regulation of its expression has not been investigated. To address this, we assessed the epigenetic regulation of murine Fthl17 gene expression in cancer cells and germ cells. Fthl17 was more highly expressed in testis, a murine lung cancer cell line, KLN205, and in germline stem cells (GSCs) than in normal lung tissues...
2017: PloS One
https://www.readbyqxmd.com/read/28207291/small-numbers-big-challenges-adolescent-and-young-adult-cancer-incidence-and-survival-in-new-zealand
#13
Kirsten R Ballantine, Heidi Watson, Scott Macfarlane, Mark Winstanley, Robin P Corbett, Ruth Spearing, Vladimir Stevanovic, Ma Yi, Michael J Sullivan
PURPOSE: This study was undertaken to determine cancer survival and describe the unique spectrum of cancers diagnosed among New Zealand's adolescents and young adult (AYA) population. METHODS: Registrations for 1606 15-24 year olds diagnosed with a new primary malignant tumor between 2000 and 2009 were obtained from the New Zealand Cancer Registry and classified according to AYA diagnostic group and subgroup, age, sex, and prioritized ethnicity. Age-standardized incidence rates (IRs) per million person years and 5-year relative survival ratios were calculated...
February 16, 2017: Journal of Adolescent and Young Adult Oncology
https://www.readbyqxmd.com/read/28206703/toxicological-evaluation-of-the-topoisomerase-inhibitor-etoposide-in-the-model-animal-caenorhabditis-elegans-and-3t3-l1-normal-murine-cells
#14
So Young Lee, Joo Yeon Kim, Yu-Jin Jung, Kyungsu Kang
Etoposide, a topoisomerase II inhibitor, has been widely used as a clinical anticancer drug to treat diverse cancer patients. Since not only rapidly dividing cancer cells but also the cells of normal human tissues and every living organism in environmental ecosystems have topoisomerases, it is crucial to study the toxicity of etoposide in other organisms in addition to cancer cells. In this study, we evaluated the toxicity of etoposide in both a soil nematode, Caenorhabditis elegans, and 3T3-L1 normal murine cells...
February 16, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28205525/testicular-activin-and-follistatin-levels-are-elevated-during-the-course-of-experimental-autoimmune-epididymo-orchitis-in-mice
#15
Nour Nicolas, Vera Michel, Sudhanshu Bhushan, Eva Wahle, Susan Hayward, Helen Ludlow, David M de Kretser, Kate L Loveland, Hans-Christian Schuppe, Andreas Meinhardt, Mark P Hedger, Monika Fijak
Experimental autoimmune epididymo-orchitis (EAEO) is a model of chronic inflammation, induced by immunisation with testicular antigens, which reproduces the pathology of some types of human infertility. Activins A and B regulate spermatogenesis and steroidogenesis, but are also pro-inflammatory, pro-fibrotic cytokines. Expression of the activins and their endogenous antagonists, inhibin and follistatin, was examined in murine EAEO. Adult untreated and adjuvant-treated control mice showed no pathology. All mice immunised with testis antigens developed EAEO by 50 days, characterised by loss of germ cells, immune cell infiltration and fibrosis in the testis, similar to biopsies from human inflamed testis...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205273/in-vitro-responses-to-known-in-vivo-genotoxic-agents-in-mouse-germ-cells
#16
Khaled Habas, Martin H Brinkworth, Diana Anderson
Genotoxic compounds have induced DNA damage in male germ cells and have been associated with adverse clinical outcomes including enhanced risks for maternal, paternal and offspring health. DNA strand breaks represent a great threat to the genomic integrity of germ cells. Such integrity is essential to maintain spermatogenesis and prevent reproduction failure. The Comet assay results revealed that the incubation of isolated germ cells with n-ethyl-n-nitrosourea (ENU), 6-mercaptopurine (6-MP) and methyl methanesulphonate (MMS) led to increase in length of Olive tail moment and % tail DNA when compared with the untreated control cells and these effects were concentration-dependent...
February 16, 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/28205138/kant-s-epigenesis-specificity-and-developmental-constraints
#17
Boris Demarest
In this paper, I argue that Kant adopted, throughout his career, a position that is much more akin to classical accounts of epigenesis, although he does reject the more radical forms of epigenesis proposed in his own time, and does make use of preformationist sounding terms. I argue that this is because Kant (1) thinks of what is pre-formed as a species, not an individual or a part of an individual; (2) has no qualm with the idea of a specific, teleological principle or force underlying generation, and conceives of germs and predispositions as specific constraints on such a principle or force...
March 2017: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/28203774/novel-chromatographic-methods-for-simultaneous-quantification-of-fish-and-wheat-germ-oils-mixture-in-pharmaceutical-dosage-forms
#18
Amira F El-Yazbi, Amr El-Hawiet
No abstract text is available yet for this article.
February 16, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28203524/in-vivo-mapping-of-a-dynamic-ribonucleoprotein-granule-interactome-in-early-drosophila-embryos
#19
Jimiao Zheng, Ming Gao, Nhan Huynh, Samuel J Tindell, Hieu D L Vo, W Hayes McDonald, Alexey L Arkov
Macromolecular complexes and organelles play crucial roles within cells, but their native architectures are often unknown. Here, we use an evolutionarily conserved germline organelle, the germ granule, as a paradigm. In Drosophila embryos, we map one of its interactomes using a novel in vivo crosslinking approach that employs two interacting granule proteins and determines their common neighbor molecules. We identified an in vivo granule assembly of Tudor, Aubergine, motor and metabolic proteins, and RNA helicases, and provide evidence for direct interactions within this assembly using purified components...
December 2016: FEBS Open Bio
https://www.readbyqxmd.com/read/28203310/analysis-of-dental-maturation-in-relation-to-sagittal-jaw-relationships
#20
Magdalena Durka-Zając, Marcin Derwich, Maria Mituś-Kenig, Magdalena Łoboda, Elżbieta Pawłowska
BACKGROUND: The degree of mineralization of permanent tooth germs in dental age assessment has been an area of interest among many authors for years. However, only recently have researchers attempted to determine the potential interdependencies between dental age and jaw relationships. The aim of this work was to compare dental maturation in patients with skeletal Class II to patients with skeletal Classes I and III. MATERIAL/METHODS: The study involved 150 patients who sought orthodontic treatment...
2017: Polish Journal of Radiology
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