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https://www.readbyqxmd.com/read/29779275/-salivary-microbial-communities-associated-with-severe-early-childhood-caries
#1
Tong-Zheng Sun, Fei Teng, Song-Bo Jia, Yong-Ping Tang, Ming Jiang, Shi Huang, Xiao Yuan, Xiao-Lan Li, Fang Yang
OBJECTIVE: To compare the salivary microbial profiles of healthy subjects and those with severe early childhood caries (S-ECC) by using high-throughput sequencing. METHODS: Salivary samples were obtained from children with S-ECC (group C, n=24) and healthy children (group H, n=24). Total metagenomic DNA was extracted, and DNA amplicons of the V1-V3 hypervariable region of the 16S rRNA gene were generated and subjected to 454 sequencing. The characteristics of oral microbial communities from the two groups were compared based on microbial diversity and taxonomy assignment...
April 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29779268/variation-in-polyphenolic-profiles-antioxidant-and-antimicrobial-activity-of-different-achillea-species-as-natural-sources-of-antiglycative-compounds
#2
Mahvash Afshari, Mehdi Rahimmalek, Mehran Miroliaei
A comparative study was carried out on the methanolic extracts from six Achillea species and the examined polyphenols from these plants on the formation of advanced glycation end-products (AGE) in vitro. A. pachycephala which was richer in flavonoids (15 mg quercetin/g W) and phenolics (111.10 mg tannic acid/g DW) with substantial antioxidant activity (IC50 = 365.5 μg/ml) presented strong anti-AGE properties. Chlorogenic acid, luteolin, quercetin and caffeic acid were identified as the major polyphenols in the extracts by HPLC...
May 19, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29779246/regulation-of-plasminogen-activation-on-cell-surfaces-and-fibrin
#3
REVIEW
Tetsumei Urano, Francis J Castellino, Yuko Suzuki
The fibrinolytic system dissolves fibrin and maintains vascular patency. Recent advances in imaging analyses allowed visualization of the spatiotemporal regulatory mechanism of fibrinolysis, as well as its regulation by other plasma haemostasis cofactors. Vascular endothelial cells (VECs) retain tissue-type plasminogen activator (tPA) after secretion and maintain high plasminogen (plg) activation potential on their surfaces. As in plasma, the serpin, plasminogen activator inhibitor type 1 (PAI-1), regulates fibrinolytic potential via inhibition of the VEC surface-bound plg activator, tPA...
May 20, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29779227/risk-profile-of-young-people-admitted-to-hospital-for-suicidal-behaviour-in-melbourne-australia
#4
Rohan Borschmann, Patrick Stark, Chidambaram Prakash, Susan M Sawyer
AIM: Self-harm and suicidal behaviour is most prevalent during adolescence, but little is known about the risk profile of adolescents admitted to hospital for suicidal behaviour. Young people who self-harm are at an increased risk of mortality compared to those who do not self-harm; adolescents admitted to hospital for suicidal behaviour are particularly at risk. The aim of this study was to generate a risk profile of adolescents admitted to hospital with suicidal behaviour. METHODS: We conducted a 12-month retrospective audit of adolescent admissions to the mental health inpatient unit at a tertiary children's hospital in Melbourne, Australia...
May 20, 2018: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29779213/differential-toxicity-of-tdp-43-isoforms-depends-on-their-sub-mitochondrial-localization-in-neuronal-cells
#5
Illari Salvatori, Alberto Ferri, Silvia Scaricamazza, Ilaria Giovannelli, Alessia Serrano, Simona Rossi, Nadia D'Ambrosi, Mauro Cozzolino, Andrea Di Giulio, Sandra Moreno, Cristiana Valle, Maria Teresa Carrì
TAR DNA binding protein 43 (TDP-43) is an RNA binding protein and a major component of protein aggregates found in Amyotrophic Lateral Sclerosis and several other neurodegenerative diseases. TDP-43 exists as a full length protein and as two shorter forms of 25 and 35 kDa. Full length mutant TDP-43s found in ALS patients re-localize from the nucleus to the cytoplasm and in part to mitochondria, where they exert a toxic role associated with neurodegeneration. However, induction of mitochondrial damage by TDP-43 fragments is yet to be clarified...
May 20, 2018: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29779204/hypertensive-disorders-of-pregnancy-and-subsequent-maternal-cardiovascular-health
#6
Nienke E Bergen, Sarah Schalekamp-Timmermans, Jolien Roos-Hesselink, Jeanine E Roeters van Lennep, Vincent V W Jaddoe, Eric A P Steegers
To examine associations between hypertensive pregnancy disorders and maternal cardiovascular disease (CVD) in later life. We examined the associations between blood pressure (BP) in pregnancy, gestational hypertension (GH) and preeclampsia (PE) with cardiovascular measurements 6 years after index pregnancy among 4912 women participating in the Generation R Study, the Netherlands. BP, left ventricular mass (LV mass), aortic root diameter (AOD), left atrial diameter, fractional shortening, and carotid-femoral pulse wave velocity (PWV)...
May 19, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29779179/clinical-outcomes-of-complete-revascularization-using-either-angiography-guided-or-fractional-flow-reserve-guided-drug-eluting-stent-implantation-in-non-culprit-vessels-in-st-elevation-myocardial-infarction-patients-insights-from-a-study-based-on-a-systematic
#7
REVIEW
Alexandre Hideo-Kajita, Hector M Garcia-Garcia, Kayode O Kuku, Solomon S Beyene, Viana Azizi, Yael F Meirovich, Gebremedhin D Melaku, Aaphtaab Dheendsa, Echo J Brathwaite, Sameer Desale, Mohammad Soud, Kazuhiro Dan, Yuichi Ozaki, Ron Waksman, Michael Lipinski
Current guidelines recommend that percutaneous coronary intervention (PCI) should be restricted to the culprit vessel in ST elevation myocardial infarction (STEMI) patients with multi-vessel disease (MVD) and without cardiogenic shock. However, newer data suggests that performing complete revascularization (CR) in MVD patients may lead to better outcomes compared to intervention in the culprit vessel only. The aim of this meta-analysis is to examine the available data to determine if CR (using either angio- or fractional flow reserve guidance-FFR) following primary PCI in STEMI patients without cardiogenic shock impacts clinical outcomes...
May 19, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29779145/comprehensive-genetic-testing-for-female-and-male-infertility-using-next-generation-sequencing
#8
Bonny Patel, Sasha Parets, Matthew Akana, Gregory Kellogg, Michael Jansen, Chihyu Chang, Ying Cai, Rebecca Fox, Mohammad Niknazar, Roman Shraga, Colby Hunter, Andrew Pollock, Robert Wisotzkey, Malgorzata Jaremko, Alex Bisignano, Oscar Puig
PURPOSE: To develop a comprehensive genetic test for female and male infertility in support of medical decisions during assisted reproductive technology (ART) protocols. METHODS: We developed a next-generation sequencing (NGS) gene panel consisting of 87 genes including promoters, 5' and 3' untranslated regions, exons, and selected introns. In addition, sex chromosome aneuploidies and Y chromosome microdeletions were analyzed concomitantly using the same panel. RESULTS: The NGS panel was analytically validated by retrospective analysis of 118 genomic DNA samples with known variants in loci representative of female and male infertility...
May 19, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29779130/the-present-and-the-future-of-genetic-testing-in-familial-hypercholesterolemia-opportunities-and-caveats
#9
REVIEW
Amanda J Hooper, John R Burnett, Damon A Bell, Gerald F Watts
PURPOSE OF REVIEW: We summarize recent advances in the understanding of genetic testing in familial hypercholesterolemia (FH), the use of expanded FH next-generation sequencing panels, and directions for future research. RECENT FINDINGS: The uptake of massively parallel sequencing in research and diagnostic laboratories has enabled expanded testing for FH and its phenocopies, with the added advantage that copy number variants can be detected. However, increasing the number of genes tested increases the number of variants detected, which may or may not be pathogenic...
May 19, 2018: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/29779122/heterologous-expression-of-talaromyces-emersonii-cellobiohydrolase-cel7a-in-trichoderma-reesei-increases-the-efficiency-of-corncob-residues-saccharification
#10
Ningning Sun, Yuanchao Qian, Weiwei Wang, Yaohua Zhong, Meixue Dai
OBJECTIVE: Improve the hydrolysis efficiency of the Trichoderma reesei cellulase system by heterologously expressing cellobiohydrolase Cel7A (Te-Cel7A) from the thermophilic fungus Talaromyces emersonii. RESULTS: Te-Cel7A was expressed in T. reesei under control of the cdna1 promoter and the generated transformant QTC14 could successfully secrete Te-Cel7A into the supernatant using glucose as carbon source. The recombinant Te-Cel7A had a temperature optimum at 65 °C and an optimal pH of 5, which were similar to those from the native host...
May 19, 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29779121/a-comprehensive-comparable-study-of-the-physiological-properties-of-four-microalgal-species-under-different-light-wavelength-conditions
#11
Yu Zhong, Peng Jin, Jay J Cheng
Microalgae treated with blue light have potential for production of human nutrition supplement and biofuel due to their higher biomass productivity and favorable fatty acid composition. Chlorella vulgaris, Chlorella pyrenoidosa, Scenedesmus quadricauda and Scenedesmus obliquus are representative green microalgae which are widely reported for algal production. In this study, we provide a systematic investigation of the biomass productivity, photosynthetic pigments, chlorophyll fluorescence and fatty acid content of the four green microalgae...
May 19, 2018: Planta
https://www.readbyqxmd.com/read/29779076/adverse-pregnancy-outcomes-a-comparison-of-risk-factors-and-prevalence-in-native-and-migrant-mothers-of-portuguese-generation-xxi-birth-cohort
#12
Musa Abubakar Kana, Sofia Correia, Henrique Barros
Epidemiological studies report conflicting findings regarding association between maternal immigration status and pregnancy outcomes. In this study we compared risk factors and prevalence of adverse pregnancy outcomes in native Portuguese and migrants. Cross-sectional analysis was conducted using information collected at delivery from the participants of Generation XXI birth cohort. Logistic regression models were fitted to assess the association between migrant status and adverse pregnancy outcomes. Prevalence of risk factors for adverse pregnancy outcomes varied between native Portuguese and migrants: teenage mothers (5...
May 19, 2018: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/29779065/digital-technologies-in-the-treatment-of-anxiety-recent-innovations-and-future-directions
#13
REVIEW
Joseph Firth, John Torous, Rebekah Carney, Jill Newby, Theodore D Cosco, Helen Christensen, Jerome Sarris
PURPOSE OF REVIEW: This review aims to provide a comprehensive overview of the efficacy, limitations, and future of e-health treatments for anxiety. Within this, we provide detail on "first-generation" e-health approaches, such as computerized therapies. Additionally, we assess the emergence and early efficacy of newer methods of treatment delivery, including smartphone apps and virtual reality interventions, discussing the potential and pitfalls for each. RECENT FINDINGS: There is now substantial clinical research demonstrating the efficacy of internet-delivered cognitive behavioral therapy in the treatment of anxiety...
May 19, 2018: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29779051/specificity-of-action-selection-modulates-the-perceived-temporal-order-of-action-and-sensory-events
#14
Andrea Desantis, Patrick Haggard, Yuji Ikegaya, Nobuhiro Hagura
The perceived temporal order of actions and changes in the environment is crucial for our inferences of causality. Sensory events presented shortly after an action are more likely considered as self-generated compared to the same events occurring before action execution. However, the estimation of when an action or a sensory change occurred is a challenge for the human brain. This estimation is formed from available sensory information combined with internal representations. Researchers suggested that internal signals associated with action preparation drive our awareness of initiating an action...
May 19, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29779043/glis1-3-transcription-factors-critical-roles-in-the-regulation-of-multiple-physiological-processes-and-diseases
#15
REVIEW
Anton M Jetten
Krüppel-like zinc finger proteins form one of the largest families of transcription factors. They function as key regulators of embryonic development and a wide range of other physiological processes, and are implicated in a variety of pathologies. GLI-similar 1-3 (GLIS1-3) constitute a subfamily of Krüppel-like zinc finger proteins that act either as activators or repressors of gene transcription. GLIS3 plays a critical role in the regulation of multiple biological processes and is a key regulator of pancreatic β cell generation and maturation, insulin gene expression, thyroid hormone biosynthesis, spermatogenesis, and the maintenance of normal kidney functions...
May 19, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29779041/the-potential-importance-of-myeloid-derived-suppressor-cells-mdscs-in-the-pathogenesis-of-alzheimer-s-disease
#16
REVIEW
Antero Salminen, Kai Kaarniranta, Anu Kauppinen
The exact cause of Alzheimer's disease (AD) is still unknown, but the deposition of amyloid-β (Aβ) plaques and chronic inflammation indicates that immune disturbances are involved in AD pathogenesis. Recent genetic studies have revealed that many candidate genes are expressed in both microglia and myeloid cells which infiltrate into the AD brains. Invading myeloid cells controls the functions of resident microglia in pathological conditions, such as AD pathology. AD is a neurologic disease with inflammatory component where the immune system is not able to eliminate the perpetrator, while, concurrently, it should prevent neuronal injuries induced by inflammation...
May 19, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29779024/a-randomized-clinical-trial-of-metformin-to-treat-autosomal-dominant-polycystic-kidney-disease
#17
Stephen L Seliger, Kaleab Z Abebe, Kenneth R Hallows, Dana C Miskulin, Ronald D Perrone, Terry Watnick, Kyongtae Tae Bae
BACKGROUND: Metformin inhibits cyclic AMP generation and activates AMP-activated protein kinase (AMPK), which inhibits the cystic fibrosis transmembrane conductance regulator and Mammalian Target of Rapamycin pathways. Together these effects may reduce cyst growth in autosomal dominant polycystic kidney disease (ADPKD). METHODS: A phase II, double-blinded randomized placebo-controlled trial of 26 months duration. Participants will include nondiabetic adults (n = 96) aged 18-60 years, with an estimated glomerular filtration rate (eGFR) ≥50 mL/min/1...
May 18, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29778975/establishment-of-an-integration-free-induced-pluripotent-stem-cell-line-musii005-a-from-exfoliated-renal-epithelial-cells
#18
Bootsakorn Boonkaew, Weeradee Thummavichit, Ratchapong Netsrithong, Chinnavuth Vatanashevanopakorn, Kovit Pattanapanyasat, Methichit Wattanapanitch
Human induced pluripotent stem cells (iPSCs) were generated from exfoliated renal epithelial cells isolated from a urine sample of a 31-year-old healthy woman. Epithelial cells were characterized for the expression of E-cadherin and reprogrammed using non-integrating Sendai viral vectors. The urine-derived iPSC line (designated as MUSIi005-A) was karyotypically normal, expressed pluripotent markers, differentiated into cells of three embryonic germ layers, and showed no viral and transgene expressions at passage 29...
May 16, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29778974/metabolic-plasticity-during-transition-to-na%C3%A3-ve-like-pluripotency-in-canine-embryo-derived-stem-cells
#19
I C Tobias, R R Isaac, J G Dierolf, R Khazaee, R C Cumming, D H Betts
Pluripotent stem cells (PSCs) have been described in naïve or primed pluripotent states. Domestic dogs are useful translational models in regenerative medicine, but their embryonic stem cells (cESCs) remain narrowly investigated. Primed-like cESCs expanded in the presence of leukemia inhibitory factor and fibroblast growth factor 2 (LIF-FGF2) acquire features of naïve pluripotency when exposed to chemical inhibitors and LIF (2iL). However, proliferation of cESCs is influenced by the pluripotent state and is comparatively slower than human or mouse PSCs...
May 16, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29778966/assessment-of-human-health-risk-associated-with-methylmercury-in-the-imported-fish-marketed-in-the-caribbean
#20
Fabio Fuentes-Gandara, Claudia Herrera-Herrera, José Pinedo-Hernández, José Marrugo-Negrete, Sergi Díez
The decline in marine and freshwaters catches in recent years in Colombia has led to a change in dietary habits, with an increase in the purchase and consumption of imported fish. This is of particular concern as fish are sometimes caught in mercury-contaminated waters, and are subsequently sold canned or uncanned. In addition, canned tuna has received little attention as it is widely assumed that concentrations are low. In this study, total mercury (THg) and methylmercury (MeHg) concentrations were evaluated in three imported fish species marketed in Colombia, Prochilodus lineatus, Prochilodus reticulatus, and Pangasianodon hypophthalmus, plus four brands of canned tuna and one of sardines...
May 17, 2018: Environmental Research
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