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https://www.readbyqxmd.com/read/29141289/-a-retrospective-study-on-the-assessment-of-dysphagia-after-partial-laryngectomy
#1
T T Su, Z F Sun
Objective: To retrospectively investigate the long-term swallowing function of patients with laryngeal carcinoma, who underwent partial laryngectomy, discuss the effectiveness and reliability of Kubota drinking test in the assessment of patients with dysphagia, who underwent partial laryngectomy, and analyze the influence of different ways of operation on swallowing function. Methods: Clinical data were retrospectively analyzed on 83 patients with laryngeal carcinoma, who underwent partial laryngectomy between September 2012 and August 2015...
November 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29141136/systemic-mrna-delivery-to-the-lungs-by-functional-polyester-based-carriers
#2
Yunfeng Yan, Hu Xiong, Xinyi Zhang, Qiang Cheng, Daniel John Siegwart
Messenger RNA (mRNA) has recently come into focus as an emerging therapeutic class with great potential for protein replacement therapy, cancer immunotherapy, regenerative medicine, vaccines, and gene editing. However, the lack of effective and safe delivery methods impedes the broad application of mRNA-based therapeutics. Here, we report a robust approach to develop efficient polymeric delivery carriers for mRNA. Lead polyesters were identified by in vitro screening of a 480-member combinatorially modified poly(trimethylolpropane allyl ether-co-suberoyl chloride) library for the delivery of luciferase encoding mRNA (Luc mRNA) to IGROV1 cells...
November 15, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29141033/transcriptome-profiling-of-claw-muscle-of-the-mud-crab-scylla-paramamosain-at-different-fattening-stages
#3
Qingling Jiang, Chenchang Bao, Ya'nan Yang, An Liu, Fang Liu, Huiyang Huang, Haihui Ye
In crustaceans, muscle growth and development is complicated, and to date substantial knowledge gaps exist. In this study, the claw muscle, hepatopancreas and nervous tissue of the mud crab (Scylla paramamosain) were collected at three fattening stages for sequence by the Illumina sequencing. A total of 127.87 Gb clean data with no less than 3.94 Gb generated for each sample and the cycleQ30 percentages were more than 86.13% for all samples. De Bruijn assembly of these clean data produced 94,853 unigenes, thereinto, 50,059 unigenes were found in claw muscle...
2017: PloS One
https://www.readbyqxmd.com/read/29140788/impact-of-protamine-i-on-colon-cancer-proliferation-invasion-migration-diagnosis-and-prognosis
#4
Zhi Chen, Chunyu Shi, Shuohui Gao, Ye Feng
The paper investigated the Protamine I (PRM1) expression and its effects on proliferation, invasion and migration of colon cancer cells as well as its function in clinical diagnosis and prognosis. Gene chips were used to screen differentially expressed genes. PRM1 expression was detected by Western blotting and qRT-PCR. HE staining and immunohistochemistry were utilized to compare the expression of PRM1 from multiple differentiation levels of colon cancer tissues. Cell viability, cell apoptosis and cell cycle were tested by MTT assay and flow cytometry...
August 28, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/29140569/single-cell-functional-analysis-of-stem-cell-derived-cardiomyocytes-on-micropatterned-flexible-substrates
#5
Jan David Kijlstra, Dongjian Hu, Peter van der Meer, Ibrahim J Domian
Human pluripotent stem-cell derived cardiomyocytes (hPSC-CMs) hold great promise for applications in human disease modeling, drug discovery, cardiotoxicity screening, and, ultimately, regenerative medicine. The ability to study multiple parameters of hPSC-CM function, such as contractile and electrical activity, calcium cycling, and force generation, is therefore of paramount importance. hPSC-CMs cultured on stiff substrates like glass or polystyrene do not have the ability to shorten during contraction, making them less suitable for the study of hPSC-CM contractile function...
November 15, 2017: Current Protocols in Stem Cell Biology
https://www.readbyqxmd.com/read/29140512/a-novel-tetratricopeptide-repeat-protein-white-to-green1-is-required-for-early-chloroplast-development-and-affects-rna-editing-in-chloroplasts
#6
Fei Ma, Yingchun Hu, Yan Ju, Qianru Jiang, Zhijun Cheng, Quan Zhang, Sodmergen
The chloroplast is essential for plant photosynthesis and production, but the regulatory mechanism of chloroplast development is still elusive. Here, a novel gene, WHITE TO GREEN1 (WTG1), was identified to have a function in chloroplast development and plastid gene expression by screening Arabidopsis leaf coloration mutants. WTG1 encodes a chloroplast-localized tetratricopeptide repeat protein that is expressed widely in Arabidopsis cells. Disruption of WTG1 suppresses plant growth, retards leaf greening and chloroplast development, and represses photosynthetic gene expression, but complemented expression of WTG1 restored a normal phenotype...
November 11, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29140303/two-cycloartenol-synthases-for-phytosterol-biosynthesis-in-polygala-tenuifolia-willd
#7
Mei Lan Jin, Woo Moon Lee, Ok Tae Kim
Oxidosqualene cyclases (OSCs) are enzymes that play a key role in control of the biosynthesis of phytosterols and triterpene saponins. In order to uncover OSC genes from Polygala tenuifolia seedlings induced by methyl jasmonate (MeJA), RNA-sequencing analysis was performed using the Illumina sequencing platform. A total of 148,488,632 high-quality reads from two samples (control and the MeJA treated) were generated. We screened genes related to phytosterol and triterpene saponin biosynthesis and analyzed the transcriptional changes of differentially expressed unigene (DEUG) values calculated by fragments per kilobase million (FPKM)...
November 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29140280/trpv3-channel-in-keratinocytes-in-scars-with-post-burn-pruritus
#8
Chun Wook Park, Hyun Ji Kim, Yong Won Choi, Bo Young Chung, So-Youn Woo, Dong-Keun Song, Hye One Kim
Post-burn pruritus is a common and distressing sequela of burn scars. Empirical antipruritic treatments usually fail to have a satisfactory outcome because of their limited selectivity and possible side effects. Therefore, novel drug targets need to be identified. Here, we aimed to investigate the possible role of protease-activated receptor 2 (PAR2) and transient receptor potential vanniloid 3 (TRPV3), along with the relation of TRPV3 to thymic stromal lymphopoietin (TSLP). Specimens from normal (unscarred) or burn-scarred (with or without pruritus) tissue were obtained from burn patients for this study...
November 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29140276/clinical-profile-associated-with-adverse-childhood-experiences-the-advent-of-nervous-system-dysregulation
#9
Jorina Elbers, Cynthia R Rovnaghi, Brenda Golianu, Kanwaljeet J S Anand
BACKGROUND: We report the prevalence of children with multiple medical symptoms in a pediatric neurology clinic, describe their symptom profiles, and explore their association with adverse childhood experiences (ACEs). METHODS: We retrospectively reviewed 100 consecutive patients from an outpatient pediatric neurology clinic. Patients were included if they were ≥5 years old and reported ≥4 symptoms that were unexplained for ≥3-months. Symptom profiles across six functional domains were recorded: (1) executive dysfunction, (2) sleep disturbances, (3) autonomic dysregulation, (4) somatization, (5) digestive symptoms, and (6) emotional dysregulation...
November 15, 2017: Children
https://www.readbyqxmd.com/read/29140141/short-clinical-examination-for-temporomandibular-symptoms-in-general-practice
#10
Christina Mejersjö, Ove Bertilsson, Karin Bäck
OBJECTIVE: The aims of the study are to assess the reliability of the short clinical examination, and to compare the information gained with a well-known and validated examination, the diagnostic criteria for temporomandibular disorders (DC/TMD). MATERIALS AND METHODS: The study comprises 52 consecutive, newly referred patients at their first visit and examination to an Orofacial Pain and TMD Clinic, 15 years and older, mean age 44 years. The patients first answered three screening questions for reported symptoms...
November 15, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29140139/health-related-quality-of-life-in-different-states-of-breast-cancer-comparing-different-instruments
#11
Mervi Rautalin, Niilo Färkkilä, Harri Sintonen, Tiina Saarto, Kimmo Taari, Tiina Jahkola, Risto P Roine
BACKGROUND: The prognosis of breast cancer has improved significantly during the last few decades increasing the interest in health-related quality of life (HRQoL). The aim of this study was to compare the HRQoL scores produced by different instruments and to shed light on their validity in various states of breast cancer by studying the association of cancer-related symptoms with HRQoL. MATERIAL AND METHODS: An observational, cross-sectional study of breast cancer patients treated in the Helsinki and Uusimaa Hospital District from September 2009 to April 2011...
November 15, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/29139551/members-of-the-deal-subfamily-of-the-duf1218-gene-family-are-required-for-bilateral-symmetry-but-not-for-dorsoventrality-in-arabidopsis-leaves
#12
David Wilson-Sánchez, Sebastián Martínez-López, Sergio Navarro-Cartagena, Sara Jover-Gil, José Luis Micol
Most plant leaves exhibit bilateral symmetry, which has been hypothesized as an inevitable consequence of the existence of the proximodistal and dorsoventral axes. No gene has been described that affects leaf bilateral symmetry but not dorsoventrality in Arabidopsis thaliana. We screened for viable insertional mutations that affect leaf morphology, and out of more than 700 mutants found only one, desigual1-1 (deal1-1), that exhibited bilateral symmetry breaking but no obvious defects in dorsoventrality. We found that deal1-1 is an allele of VASCULATURE COMPLEXITY AND CONNECTIVITY (VCC)...
November 15, 2017: New Phytologist
https://www.readbyqxmd.com/read/29139392/-myonuclear-domain-and-microtubule-proteome-during-skeletal-muscle-maturation
#13
Nathalie Couturier, Vincent Gache
In the normal course of muscle fiber development, myonuclei actively position and adapt a precise localization in mature fibers, shaping MyoNuclear Domains (MNDs). Myonuclei positioning in fibers appears to be essential for muscle function as defects in MNDs settings are always associated with dysfunction (i.e., centronuclear myopathy, sarcopenia). Previous studies have shown that myonuclei positioning in fibers is reversible, suggesting that in pathologies presenting MNDs impairment, myonuclei could be re-addressed to the "correct" position in fibers and this could benefit to muscle function...
November 2017: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/29139324/molecular-dynamics-simulations-and-novel-drug-discovery
#14
Xuewei Liu, Danfeng Shi, Shuangyan Zhou, Hongli Liu, Huanxiang Liu, Xiaojun Yao
Molecular dynamics (MD) simulations can provide not only plentiful dynamical structural information on biomacromolecules but also a wealth of energetic information about protein and ligand interactions. Such information is very important to understanding the structure-function relationship of the target and the essence of protein-ligand interactions and to guiding the drug discovery and design process. Thus, MD simulations have been applied widely and successfully in each step of modern drug discovery. Areas covered: In this review, the authors review the applications of MD simulations in novel drug discovery, including the pathogenic mechanisms of amyloidosis diseases, virtual screening and the interaction mechanisms between drugs and targets...
November 15, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/29139186/factors-associated-with-home-hazards-findings-from-the-malaysian-elders-longitudinal-research-study
#15
Muhammad H Romli, Maw P Tan, Lynette Mackenzie, Meryl Lovarini, Shahrul B Kamaruzzaman, Lindy Clemson
AIM: Previous studies have investigated home hazards as a risk factor for falls without considering factors associated with the presence of home hazards. The present study aimed to determine patterns of home hazards among urban community-dwelling older Malaysians, and to identify factors contributing to home hazards. METHODS: Cross-sectional data from the initial wave of the Malaysian Elders Longitudinal Research study were used. Basic demographics were obtained from the Global Questionnaire...
November 15, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29139094/investigating-the-therapeutic-potential-and-mechanism-of-curcumin-in-breast-cancer-based-on-rna-sequencing-and-bioinformatics-analysis
#16
Rong Wang, Jinbin Li, Yulan Zhao, Yapeng Li, Ling Yin
BACKGROUND: Breast cancer is a prevalent cancer in female. This study aims to investigate the therapeutic potential and mechanism of curcumin in breast cancer. METHODS: After cultivation, human breast cancer cells (MCF-7 cells) were treated with 0.1% (v/v) 15 µmol/ml curcumin-dimethylsulfoxide solution and 0.1% (v/v) dimethylsulfoxide, respectively, at 37 °C and 5% CO2 for 48 h. Total RNA was extracted, cDNA library was constructed, and cDNAs were amplified and sequenced...
November 14, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/29138961/blastocystis-subtypes-isolated-from-irritable-bowel-syndrome-patients-and-co-infection-with-helicobacter-pylori
#17
Ayman A El-Badry, Wegdan M Abd El Wahab, Doaa A Hamdy, Alaa Aboud
Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disease presenting clinically by abdominal pain with alteration of bowel habits. Although IBS has uncertain etiology, chronic gut inflammation due to persistent exposure to an infectious agent including Blastocystis sp. was proposed. The aim of this study was to detect the prevalence of Blastocystis sp. subtype (ST) isolated from stool of IBS patients and to assess Blastocystis sp. and H. pylori co-infection in IBS patients from Beni-Suef Governorate, Egypt...
November 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/29138824/genetic-mutational-testing-of-chinese-children-with-familial-hematuria-with-biopsy%C3%A2-proven-fsgs
#18
Yongzhen Li, Ying Wang, Qingnan He, Xiqiang Dang, Yan Cao, Xiaochuan Wu, Shuanghong Mo, Xiaoxie He, Zhuwen Yi
Focal segmental glomerulosclerosis (FSGS) is a pathological lesion rather than a disease, with a diverse etiology. FSGS may result from genetic and non‑genetic factors. FSGS is considered a podocyte disease due to the fact that in the majority of patients with proven‑FSGS, the lesion results from defects in the podocyte structure or function. However, FSGS does not result exclusively from podocyte‑associated genes, however also from other genes including collagen IV‑associated genes. Patients who carry the collagen type IVA3 chain (COL4A3) or COL4A4 mutations usually exhibit Alport Syndrome (AS), thin basement membrane neuropathy or familial hematuria (FH)...
November 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29138441/screening-based-approach-and-dehydrogenation-kinetics-for-mgh2-guide-to-find-suitable-dopant-using-first-principles-approach
#19
E Mathan Kumar, A Rajkamal, Ranjit Thapa
First-principles based calculations are performed to investigate the dehydrogenation kinetics considering doping at various layers of MgH2 (110) surface. Doping at first and second layer of MgH2 (110) has a significant role in lowering the H2 desorption (from surface) barrier energy, whereas the doping at third layer has no impact on the barrier energy. Molecular dynamics calculations are also performed to check the bonding strength, clusterization, and system stability. We study in details about the influence of doping on dehydrogenation, considering the screening factors such as formation enthalpy, bulk modulus, and gravimetric density...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138398/characterization-of-macrophages-from-schizophrenia-patients
#20
Paul R Ormel, Hans C van Mierlo, Manja Litjens, Miriam E van Strien, Elly M Hol, René S Kahn, Lot D de Witte
Genetic, epidemiological and post mortem studies have described an association between schizophrenia (SCZ) and the immune system. Microglia, the tissue-resident macrophages of the brain, not only play an essential role in inflammatory processes, but also in neurodevelopment and synapse refinement. It has therefore been hypothesized that aberrant functioning of these myeloid immune cells is involved in SCZ pathogenesis. Until now cellular research into the role of myeloid cells in SCZ has been limited to monocytes and functional assays are lacking...
November 14, 2017: NPJ Schizophrenia
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