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https://www.readbyqxmd.com/read/28931161/probing-behavior-of-dichelops-furcatus-f-heteroptera-pentatomidae-on-wheat-plants-characterized-by-electropenetrography-epg-and-histological-studies
#1
Tiago Lucini, Antônio Ricardo Panizzi
The stink bug Dichelops furcatus (F.) (Heteroptera: Pentatomidae) has increased in abundance in recent years on the wheat, Triticum aestivum L., crop cultivated in the southern region of Brazil. To investigate the probing (stylet penetration) behaviors and nonprobing behaviors of D. furcatus on wheat plants, the electrical penetration graph or electropenetrography (EPG) technique was applied. Nine EPG waveforms (types/subtypes) were identified and described on stem and on ear head of wheat plants, as follows: Z, Np, Df1a, Df1b, Df2, Df3a, Df3b, Df4a, and Df4b...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28930752/salivary-gland-neoplasms-does-morphological-diversity-reflect-tumor-heterogeneity
#2
Miguel Rito, Isabel Fonseca
Salivary gland tumor classification encompasses a vast list of benign and malignant neoplasms. Their morphological diversity is recognized not only between different entities but also within individual tumors. Tumor categories as described by the World Health Organization reflect, in part, a true genetic heterogeneity (e.g., translocations involving CRTC1 and CRTC3-MAML2 genes in mucoepidermoid carcinoma and MYB-NFIB fusion in adenoid cystic carcinoma). Carcinoma ex pleomorphic adenoma shows diversity in its histological appearance, but recurrent rearrangements on PLAG1 and HMGA2 are common to its benign precursor...
September 21, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28930557/dna-replication%C3%A2-machinery-is-required-for-development-in%C3%A2-drosophila
#3
Hidetsugu Kohzaki, Maki Asano, Yota Murakami
 In Drosophila, some factors involved in chromosome replication seem to be involved in gene amplification and endoreplication, which are actively utilized in particular tissue development, but direct evidence has not been shown. Therefore, we examined the effect of depletion of replication factors on these processes. First, we confirmed RNAi knockdown can be used for the depletion of replication factors by comparing the phenotypes of RNAi knockdown and deletion or point mutants of the components of DNA licensing factor, MCM2, MCM4 and Cdt1...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930546/tick-host-pathogen-systems-immunobiology-an-interactive-trio
#4
Stephen K Wikel
Significant new insights are being made into tick modulation of host immune defenses and the implications of those host defense changes on tick-borne pathogen transmission and establishment of infection. Understanding tick saliva complexity increased with construction and analyses of salivary gland cDNA libraries. High throughput next generation sequencing and advances in proteomics are revealing greater complexity of saliva, nature of gene families and differential gene expression patterns not previously attainable...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930522/advances-in-tick-vaccinology-in-brazil-from-gene-expression-to-immunoprotection
#5
Renato Andreotti, Poliana Fernanda Giachetto, Rodrigo Casquero Cunha
Rhipicephalus (Boophilus) microplus has substantial economic impact on the cattle breeding industry and, chemical control and tick resistance development are the major concern. There is a worldwide search for new options, and control using vaccines has been the main focus nowadays. Studies performed in Brazil found that Bm86-based immunization of bovines reduced the infestation of R. (B.) microplus of vaccinated bovines by 45% to 60%. Native Boophilusmicroplus tripsin inhibitors (BmTIs) with trypsin-, kallikrein-, and elastase-inhibiting activities have been used as immunogens in bovines reaching 72...
January 1, 2018: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28929506/factitious-acth-dependent-apparent-hypercortisolism-the-problem-with-late-night-salivary-cortisol-measurements-collected-at-home
#6
G A Kline, J D Buse, J G Van Der Gugten, D T Holmes, A C Chin, S M H Sadrzadeh
Cushing's Syndrome (CS) is critical to identify because of the numerous and sometimes irreversible sequelae. Surreptitious glucocorticoid use is usually a straightforward consideration in the Cushingoid patient having suppressed ACTH levels, in the absence of adrenal mass or hyperplasia, and in whom screening tests for CS have unexpectedly low or high results depending on the specific steroid used and vulnerability of the assay employed to analytical cross-reactivity. We present a case of a patient with factitious hypercortisolism without suppressed ACTH...
September 20, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28928907/adipose-derived-stromal-cell-in-regenerative-medicine-a-review
#7
REVIEW
Reza Tabatabaei Qomi, Mohsen Sheykhhasan
The application of appropriate cell origin for utilizing in regenerative medicine is the major issue. Various kinds of stem cells have been used for the tissue engineering and regenerative medicine. Such as, several stromal cells have been employed as treat option for regenerative medicine. For example, human bone marrow-derived stromal cells and adipose-derived stromal cells (ADSCs) are used in cell-based therapy. Data relating to the stem cell therapy and processes associated with ADSC has developed remarkably in the past 10 years...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928784/association-of-stress-salivary-cortisol-level-and-periodontitis-among-the-inmates-of-a-central-prison-in-kerala
#8
Angel Fenol, Susan Jebi, Sajitha Krishnan, Jayachandran Perayil, Rajesh Vyloppillil, Anuradha Bhaskar, Sai Megha Menon, Ashitha Mohandas
BACKGROUND: The aim of this cross-sectional study was to evaluate the association between stress, salivary cortisol, and periodontitis among the inmates of the central prison. MATERIALS AND METHODS: Seventy inmates were grouped depending on their pocket depth into Group A (pocket depth >4 mm and <6 mm), Group B (at least four sites with pocket depth ≥6 mm), and Group C (pocket depth ≤3 mm). The clinical parameters such as the oral hygiene index-simplified, gingival index, pocket depth, and the clinical attachment levels (CALs) were recorded...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928781/n-acetylneuraminic-acid-a-scrutinizing-tool-in-oral-squamous-cell-carcinoma-diagnosis
#9
Suganya Rajaram, Balamurali P Danasekaran, Ramesh Venkatachalapathy, Karthikshree Vishnu Prashad, Saranya Rajaram
BACKGROUND: Oral cancer has one of the highest mortality rate among other malignancies. An attempt has been made to assess the genetic expression of a cell surface glycoprotein component - sialic acid released by the malignant cells which will reflect on the oral squamous cell carcinoma (OSCC). The aim of this study was to estimate and correlate the salivary and serum sialic acid levels in OSCC. MATERIALS AND METHODS: In our case-control study, saliva and blood samples were obtained from Group 1 - 10 healthy controls, Group 2 - 12 well-differentiated OSCC, Group 3 - 7 moderately differentiated and 2 poorly differentiated OSCC...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928780/assessment-of-oral-health-parameters-among-students-attending-special-schools-of-mangalore-city
#10
Tom Peter, Deepthi Anna Cherian, Tim Peter
BACKGROUND: The aim of the study was to assess the oral health status and treatment needs and correlation between dental caries susceptibility and salivary pH, buffering capacity and total antioxidant capacity among students attending special schools of Mangalore city. MATERIALS AND METHODS: In this study 361 subjects in the age range of 12-18 years were divided into normal (n = 84), physically challenged (n = 68), and mentally challenged (n = 209) groups. Their oral health status and treatment needs were recorded using the modified WHO oral health assessment proforma...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928777/determination-of-salivary-urea-and-uric-acid-of-patients-with-halitosis
#11
Faezeh Khozeimeh, Nakisa Torabinia, Shirin Shahnaseri, Hooman Shafaee, Seyed Amir Mousavi
BACKGROUND: Halitosis is the presence of unpleasant or foul smelling breath. The origin of halitosis may be related to both systemic and oral conditions, but a large percentage of cases, about 90%, is generally related to an oral cause. The aim of this study was to compare the concentration of urea and uric acid in patients with halitosis and people without halitosis. MATERIALS AND METHODS: In this case-control study, concentration of urea and uric acid was compared between two groups: (1) persons suffering halitosis (2) control group without halitosis...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928435/tango7-regulates-cortical-activity-of-caspases-during-reaper-triggered-changes-in-tissue-elasticity
#12
Yunsik Kang, Sarah D Neuman, Arash Bashirullah
Caspases perform critical functions in both living and dying cells; however, how caspases perform physiological functions without killing the cell remains unclear. Here we identify a novel physiological function of caspases at the cortex of Drosophila salivary glands. In living glands, activation of the initiator caspase dronc triggers cortical F-actin dismantling, enabling the glands to stretch as they accumulate secreted products in the lumen. We demonstrate that tango7, not the canonical Apaf-1-adaptor dark, regulates dronc activity at the cortex; in contrast, dark is required for cytoplasmic activity of dronc during salivary gland death...
September 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28928382/functional-effects-of-proinflammatory-factors-present-in-sj%C3%A3-gren-s-syndrome-salivary-microenvironment-in-an-in-vitro-model-of-human-salivary-gland
#13
Mayte Arce-Franco, María Dominguez-Luis, Martina K Pec, Carlos Martínez-Gimeno, Pablo Miranda, Diego Alvarez de la Rosa, Teresa Giraldez, José María García-Verdugo, José David Machado, Federico Díaz-González
Primary Sjögren's syndrome (pSS) is an autoimmune exocrinopathy in which the role that the immune response plays in reducing exocrine gland function, including the glandular microenvironment of cytokines, has not been fully understood. Epithelial cells from biopsies of human parotid gland (HPG) were used to establish a model of human salivary gland in vitro. In this model, the functional consequences of several proinflammatory soluble factors present in the pSS glandular microenvironment were assessed. Stimulation with isoproterenol and calcium produced a significant increase in the basal activity of amylase in the HPG cell supernatants...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28928228/salivary-%C3%AE-amylase-in-on-call-from-home-fire-and-emergency-service-personnel
#14
Sarah Janet Hall, Brad Aisbett, Sam J Robertson, Sally A Ferguson, Anne Turner
The effect of working on-call from home on sympatho-adrenal medullary (SAM) system activity is currently unknown. This study had two aims, Aim 1: examine salivary α-amylase awakening response (AAR) and diurnal salivary α-amylase (sAA) profile in fire and emergency service workers who operate on-call from home following a night on-call with a call (NIGHT-CALL), a night on-call without a call (NO-CALL) and an off-call night (OFF-CALL) and, Aim 2: explore whether there was an anticipatory effect of working on-call from home (ON) compared to when off-call (OFF) on the diurnal sAA profile...
September 19, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28927073/surgical-treatment-of-parapharyngeal-space-tumors-a-report-of-29-cases
#15
Kei Ijichi, Shingo Murakami
The present study aimed to establish a strategy for parapharyngeal space (PPS) tumor surgery based on preoperative symptoms, clinical signs, imaging and histological examination. A retrospective cohort study was conducted with 29 adult patients who underwent surgery for primary PPS tumors from 2008-2015. The following data was obtained: Preoperative symptoms of the patient, histological type of the tumor, surgical approach and complications. Of the 29 patients who underwent surgery to remove a PPS tumor, 16 presented with neurogenic tumors and 13 with salivary gland tumors...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927048/mucoepidermoid-carcinoma-of-the-sublingual-gland-harboring-a-translocation-of-the-maml2-gene-a-case-report
#16
Kiminobu Sato, Jun Akiba, Ken Nakamura, Hideyuki Abe, Akihiko Kawahara, Takeichiro Aso, Hirohito Umeno, Hiroshi Harada, Hirohisa Yano
Among tumors of the major salivary glands, tumors in the sublingual gland are rare. Although mucoepidermoid carcinoma (MEC) represents a histological type of salivary gland tumor, it is occasionally difficult to diagnose due to its histological variation. The present study reports a case of MEC harboring a mastermind-like transcriptional coactivator 2 (MAML2) gene translocation in the sublingual gland. A 76-year-old Japanese woman with a mass in the left submandibular region was referred to Kurume University Hospital (Kurume, Japan)...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926744/chronic-high-protein-diet-induces-oxidative-stress-and-alters-the-salivary-gland-function-in-rats
#17
Urszula Kołodziej, Mateusz Maciejczyk, Wiesława Niklińska, Danuta Waszkiel, Małgorzata Żendzian-Piotrowska, Piotr Żukowski, Anna Zalewska
OBJECTIVE: Chronic high protein intake leads to an increase in reactive oxygen species (ROS) generation. However, there is no data on the impact of high-protein diet on the antioxidant barrier, oxidative stress and secretory function in the salivary glands of healthy individuals. DESIGN: 16 male Wistar rats were randomly divided into 2 groups (n=8): normal protein (C) and high-protein diet (HP) for 8 weeks. Salivary antioxidants: peroxidase (Px), catalase (CAT), superoxide dismutase 1 (SOD 1), uric acid (UA), total antioxidant status (TAS), total oxidant status (TOS) and the oxidative stress index (OSI), as well as protein carbonyls (PC), 4-hydroxynonenal protein adduct (4-HNE protein adduct), 8-isoprostanes (8-isoP), 8-hydroxy-2'-deoxyguanosine (8-OHdG) and protein content were determined in the salivary glands and plasma...
September 10, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28926584/transcriptome-analysis-reveals-molecular-anthelmintic-effects-of-procyanidins-in-c-elegans
#18
Verena Spiegler, Andreas Hensel, Jochen Seggewiß, Milena Lubisch, Eva Liebau
Worldwide, more than 1 billion people are affected by infestations with soil-transmitted helminths and also in veterinary medicine helminthiases are a severe threat to livestock due to emerging resistances against the common anthelmintics. Proanthocyanidins have been increasingly investigated for their anthelmintic properties, however, except for an interaction with certain proteins of the nematodes, not much is known about their mode of action. To investigate the anthelmintic activity on a molecular level, a transcriptome analysis was performed in Caenorhabditis elegans after treatment with purified and fully characterized oligomeric procyanidins (OPC)...
2017: PloS One
https://www.readbyqxmd.com/read/28924142/the-role-of-social-status-and-testosterone-in-human-conspicuous-consumption
#19
Yin Wu, Christoph Eisenegger, Niro Sivanathan, Molly J Crockett, Luke Clark
Conspicuous consumption refers to the phenomenon where individuals purchase goods for signalling social status, rather than for its inherent functional value. This study (n = 166 male participants) investigated how the outcome of a social competition influenced conspicuous consumption, and its association with competition-induced testosterone reactivity. Winning a competition increased both explicit and implicit preferences for higher-status vs. lower-status products, using both natural stimuli (prestigious cars) and laboratory-tagged stimuli of matched value (university T-shirts)...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28922632/antibacterial-and-anti-biofouling-coating-on-hydroxyapatite-surface-based-on-peptide-modified-tannic-acid
#20
Xiao Yang, Pei Huang, Haihuan Wang, Shuang Cai, Yixue Liao, Ziqin Mo, Xinyuan Xu, Chunmei Ding, Changsheng Zhao, Jianshu Li
Hydroxyapatite-based implant is widely used in the fields of artificial teeth and bones. However, the problem of microbial communities on hydroxyapatite surfaces remain a great challenge. In order to inhibit bacterial adhesion and activity in a long term, a salivary acquired pellicle (SAP) bioinspired tannic acid (SAP3-TA) is synthesized and characterized. The SAP inspired peptide sequence DDDEEK has a good adsorption performance on the surface of hydroxyapatite (HA). Tannic acid (TA) is a natural polyphenolic compound that can be extracted from green tea, and it has been proved to have an effective antibacterial property...
September 6, 2017: Colloids and Surfaces. B, Biointerfaces
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