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https://www.readbyqxmd.com/read/28098179/a-salivary-ef-hand-calcium-binding-protein-of-the-brown-planthopper-nilaparvata-lugens-functions-as-an-effector-for-defense-responses-in-rice
#1
Wenfeng Ye, Haixin Yu, Yukun Jian, Jiamei Zeng, Rui Ji, Hongdan Chen, Yonggen Lou
The brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae), a major pest of rice in Asia, is able to successfully puncture sieve tubes in rice with its piercing stylet and then to ingest phloem sap. How BPH manages to continuously feed on rice remains unclear. Here, we cloned the gene NlSEF1, which is highly expressed in the salivary glands of BPH. The NlSEF1 protein has EF-hand Ca(2+)-binding activity and can be secreted into rice plants when BPH feed. Infestation of rice by BPH nymphs whose NlSEF1 was knocked down elicited higher levels of Ca(2+) and H2O2 but not jasmonic acid, jasmonoyl-isoleucine (JA-Ile) and SA in rice than did infestation by control nymphs; Consistently, wounding plus the recombination protein NlSEF1 suppressed the production of H2O2 in rice...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28096213/endothelial-cell-regulation-of-salivary-gland-epithelial-patterning
#2
Hae Ryong Kwon, Deirdre A Nelson, Kara A DeSantis, Jennifer M Morrissey, Melinda Larsen
Perfusion-independent regulation of epithelial pattern formation by the vasculature during organ development and regeneration is of considerable interest for application in restoring organ function. During murine submandibular salivary gland development, the vasculature co-develops with the epithelium during branching morphogenesis; however, it is not known whether the vasculature has instructive effects on the epithelium. Using pharmacological inhibitors and siRNA knockdown in embryonic organ explants, we determined that VEGFR2-dependent signaling is required for salivary gland epithelial patterning...
January 15, 2017: Development
https://www.readbyqxmd.com/read/28094218/cribriform-adenocarcinoma-of-the-soft-palate-with-multiple-lymph-node-metastasis-and-long-term-follow-up
#3
Fernanda Viviane Mariano, Renata Freitas Varanda, Luciana Schultz, Marcelo Brum Correa, Oslei Paes de Almeida, Albina Atemani, Márcio Ajudarte Lopes
INTRODUCTION: Cribriform adenocarcinoma of the tongue and minor salivary glands (CATMSG) is a recently described entity, with most cases previously published as polymorphous low-grade adenocarcinoma (PLGA). Typical cases share some main characteristics, such as oral sites (mainly tongue), regional lymph node metastasis, and morphology resembling solid and follicular variants of papillary thyroid carcinoma. OBJECTIVE: To present a CATMSG and emphasize the importance of reclassifying PLGAs with unusual behavior...
November 1, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28093970/evaluation-of-salivary-vitamin-c-and-catalase-in-hiv-positive-and-healthy-hiv-negative-control-group
#4
Fatemeh Ahmadi Motamayel, Samaneh Vaziri Amjad, Mohammad Taghi Goodarzi, Jalal Poorolajal
BACKGROUND: Saliva is a complex oral biologic fluid from major and minor salivary glands. Saliva has immunological, enzymatic and antioxidant defense mechanisms. Infection with human immunodeficiency virus (HIV) is life threatening disease. OBJECTIVE: The aim of this study was evaluation of salivary vitamin C and catalase level in HIV positive patients in comparison to healthy control group. METHOD: Forty nine HIV infected person and 49 healthy subjects were selected...
January 16, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28093418/cell-specific-epigenome-wide-dna-methylation-profile-in-long-term-cultured-minor-salivary-gland-epithelial-cells-from-patients-with-sj%C3%A3-gren-s-syndrome
#5
Amandine Charras, Orsia D Konsta, Christelle Le Dantec, Cristina Bagacean, Efstathia K Kapsogeorgou, Athanasios G Tzioufas, Jacques-Olivier Pers, Anne Bordron, Yves Renaudineau
OBJECTIVES: The aetiology of primary Sjögren's syndrome (pSS), also referred to as autoimmune epithelitis, is incompletely understood but includes an epigenetic contribution. Accordingly, the aim of this study was to investigate DNA methylation in salivary gland epithelial cells (SGEC), and to compare results with those publicly available from pSS B and T cells. METHODS: Long-term cultured SGEC were selected to conduct an epigenome-wide association study (EWAS) in patients with pSS with comparison to controls using the HumanMethylation 450 K array from Illumina...
January 16, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28091958/identification-and-anticoagulant-activity-of-a-novel-kunitz-type-protein-ha11-from-the-salivary-gland-of-the-tick-hyalomma-asiaticum
#6
Houshuang Zhang, Ruiqiong Qiao, Haiyan Gong, Jie Cao, Yongzhi Zhou, Jinlin Zhou
Kunitz/bovine pancreatic trypsin inhibitor proteins are abundant in the salivary glands of ticks and perform multiple functions in blood feeding, including inhibiting blood coagulation, regulating host blood supply and disrupting host angiogenesis. In this study, we identified a novel gene designated HA11 (Hyalomma asiaticum 11 kDa protein) from the salivary gland of the tick H. asiaticum. HA11 is encoded by a gene with an open reading frame of 306 bp that is translated into a deduced 101 amino acid 11 kDa protein that shares 27% sequence identity with a Kunitz-like protease inhibitor precursor in Amblyomma variegatum...
January 13, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28091932/current-concept-of-igg4-related-disease
#7
Kazuichi Okazaki, Hisanori Umehara
IgG4-related disease (IgG4-RD) is a fibroinflammatory disease of unknown etiology, which is characterized by a tendency to form tumefactive lesions, increased serum levels of IgG4, and massive infiltration of IgG4-positive plasma cells with storiform fibrosis and/or obliterative phlebitis. Patients with IgG4-RD have frequently multiorgan involvements such as the pancreas, biliary tree, salivary glands, periorbital tissues, kidneys, lungs, lymph nodes, and retroperitoneum. IgG4-RD mainly affects middle-aged to elderly men except for involvement in lachrymal and salivary glands, so-called Mikulicz's disease...
December 28, 2016: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28091705/bacteria-of-the-family-candidatus-midichloriaceae-in-sympatric-zones-of-ixodes-ticks-genetic-evidence-for-vertical-transmission
#8
Tatyana A Mukhacheva, Sergey Y Kovalev
Ixodes ticks transmit infectious agents and also harbor their own parasites and symbionts. The presumptive endosymbiont of Ixodes ricinus, 'Candidatus Midichloria mitochondrii', has a unique ability to invade mitochondria within tick ovarian cells and is transovarially transmitted with 100% efficiency. A closely related bacterium, provisionally named Montezuma (now 'Candidatus Lariskella arthropodarum'), was isolated from the Ixodes persulcatus ticks and human blood in 2004 as well as from Ixodes pavlovskyi in 2015...
January 14, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28089461/chronic-lymphocytic-leukemia-in-association-with-a-ranula-a-report-and-review-of-the-literature
#9
Scott M Peters, Chang Han, Angela J Yoon, Elizabeth M Philipone
Chronic lymphocytic leukemia (CLL), an indolent neoplasm of B lymphocytes, is the most common adult leukemia in the Western Hemisphere. Despite this, however, the intraoral presentation of CLL is quite rare. We report the case of an 83-year-old woman with CLL incidentally involving minor salivary glands in association with a ranula (floor-of-mouth mucocele).
November 22, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28081253/probability-of-transmission-of-malaria-from-mosquito-to-human-is-regulated-by-mosquito-parasite-density-in-na%C3%A3-ve-and-vaccinated-hosts
#10
Thomas S Churcher, Robert E Sinden, Nick J Edwards, Ian D Poulton, Thomas W Rampling, Patrick M Brock, Jamie T Griffin, Leanna M Upton, Sara E Zakutansky, Katarzyna A Sala, Fiona Angrisano, Adrian V S Hill, Andrew M Blagborough
Over a century since Ronald Ross discovered that malaria is caused by the bite of an infectious mosquito it is still unclear how the number of parasites injected influences disease transmission. Currently it is assumed that all mosquitoes with salivary gland sporozoites are equally infectious irrespective of the number of parasites they harbour, though this has never been rigorously tested. Here we analyse >1000 experimental infections of humans and mice and demonstrate a dose-dependency for probability of infection and the length of the host pre-patent period...
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28081151/human-lacrimal-gland-gene-expression
#11
Vinay Kumar Aakalu, Sowmya Parameswaran, Mark Maienschein-Cline, Neil Bahroos, Dhara Shah, Marwan Ali, Subramanian Krishnakumar
BACKGROUND: The study of human lacrimal gland biology and development is limited. Lacrimal gland tissue is damaged or poorly functional in a number of disease states including dry eye disease. Development of cell based therapies for lacrimal gland diseases requires a better understanding of the gene expression and signaling pathways in lacrimal gland. Differential gene expression analysis between lacrimal gland and other embryologically similar tissues may be helpful in furthering our understanding of lacrimal gland development...
2017: PloS One
https://www.readbyqxmd.com/read/28081143/engineered-aedes-aegypti-jak-stat-pathway-mediated-immunity-to-dengue-virus
#12
Natapong Jupatanakul, Shuzhen Sim, Yesseinia I Angleró-Rodríguez, Jayme Souza-Neto, Suchismita Das, Kristin E Poti, Shannan L Rossi, Nicholas Bergren, Nikos Vasilakis, George Dimopoulos
We have developed genetically modified Ae. aegypti mosquitoes that activate the conserved antiviral JAK/STAT pathway in the fat body tissue, by overexpressing either the receptor Dome or the Janus kinase Hop by the blood feeding-induced vitellogenin (Vg) promoter. Transgene expression inhibits infection with several dengue virus (DENV) serotypes in the midgut as well as systemically and in the salivary glands. The impact of the transgenes Dome and Hop on mosquito longevity was minimal, but it resulted in a compromised fecundity when compared to wild-type mosquitoes...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28081025/transdermal-scopolamine-withdrawal-syndrome-case-report-in-the-pediatric-cerebral-palsy-population
#13
Nasim A Chowdhury, Mary Laura Sewatsky, Heakyung Kim
Sialorrhea in children with cerebral palsy (CP) results in aspiration, decreased social integration, and poor quality of life. Management options include transdermal anticholinergics such as the scopolamine patch. A controlled clinical trial has proven botulinum toxin (BTX) injections into the salivary glands are an effective alternative to transdermal anticholinergics with a safer side effect profile. Multiple studies of the injections in diverse populations demonstrate reduction in saliva production with improvement in quality of life and decrease in hospitalization-associated costs...
January 9, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28079429/association-between-late-effects-assessed-by-physicians-and-quality-of-life-reported-by-head-and-neck-cancer-survivors
#14
Rikke Daugaard, Trille Kjaer, Christoffer Johansen, Jane Christiansen, Elo Andersen, Anni L Nielsen, Susanne O Dalton
BACKGROUND: Many survivors of head-and-neck cancer (HNC) suffer from late effects. Their overall quality of life deteriorates during treatment, followed by a slow recovery up to five years after treatment. We examined the association between the severity of physician-assessed late effects and the health-related quality of life (HRQoL) reported by survivors of HNC. MATERIAL AND METHODS: The analysis was based on data collected during follow-up for 136 survivors of cancer in the oral cavity, pharynx, larynx, or salivary glands...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28078480/muscarinic-acetylcholine-receptor-mediated-tight-junction-opening-is-involved-in-epiphora-in-late-phase-of-submandibular-gland-transplantation
#15
Ning-Yan Yang, Chong Ding, Jing Li, Yan Zhang, Ruo-Lan Xiang, Li-Ling Wu, Guang-Yan Yu, Xin Cong
Submandibular gland (SMG) autotransplantation is an effective therapy for treating severe dry eye syndrome. However, epiphora occurs in more than 40% of patients 6 months after operation. We previously found that muscarinic acetylcholine receptor (mAChR) plays a crucial role in regulating SMG secretion partially through the modulation on tight junction (TJ)-based paracellular pathway. Therefore, the present study aimed to investigate the possible involvement of mAChR and TJ in a rabbit long-term model of SMG transplantation...
January 11, 2017: Journal of Molecular Histology
https://www.readbyqxmd.com/read/28076899/genome-wide-association-analysis-reveals-genetic-heterogeneity-of-sj%C3%A3-gren-s-syndrome-according-to-ancestry
#16
Kimberly E Taylor, Quenna Wong, David M Levine, Caitlin McHugh, Cathy Laurie, Kimberly Doheny, Mi Y Lam, Alan N Baer, Stephen Challacombe, Hector Lanfranchi, Morten Schiødt, M Srinivasan, Hisanori Umehara, Frederick B Vivino, Yan Zhao, Stephen Shiboski, Troy E Daniels, John S Greenspan, Caroline H Shiboski, Lindsey A Criswell
OBJECTIVE: Sjögren's Syndrome (SS) is a systemic autoimmune disease affecting primarily the lacrimal and salivary glands. The Sjögren's International Collaborative Clinical Alliance (SICCA) is an international multisite observational study whose participants have been genotyped on the Omni 2.5M platform and undergone deep phenotyping using common protocol-directed methods, providing a unique opportunity to examine the genetic etiology of SS across ancestry and disease subsets. METHODS: We perform GWAS analyses utilizing dbGaP controls on all subjects (1405 cases, 1622 SICCA controls, 3125 external controls), European (similarly 585, 966, 2580), and Asian (similarly 460, 224, 901) with ancestry adjustments via principal component analyses...
January 11, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28076598/minor-intraoral-salivary-gland-tumors-a-clinical-pathological-study
#17
Dmitry José de Santana Sarmento, Maria de Lourdes Silva de Arruda Morais, Antonio de Lisboa Lopes Costa, Éricka Janine Dantas da Silveira
Objective: To evaluate the clinical-pathological profile of patients with minor salivary gland neoplasms. Methods: A retrospective study of specific cases diagnosed as benign and malignant tumors of the minor salivary glands was performed. The data were collected from medical records of patients seen at a hospital over a period of 15 years. The sample was made up of 37 cases. For the pathological study, slides containing 5μm thick sections stained with hematoxylin and eosin were used...
October 2016: Einstein
https://www.readbyqxmd.com/read/28076460/the-accuracy-of-fine-needle-aspiration-cytology-for-diagnosis-of-parotid-gland-masses-a-clinicopathological-study-of-114-patients
#18
Jens Kristjan Gudmundsson, Aida Ajan, Jahan Abtahi
Objective: Fine-needle aspiration cytology is a valuable method for preoperative assessment of head and neck tumors. However, its accuracy in detection of salivary gland masses is controversial compared with other methods. The aim of this work was to evaluate the effectiveness and accuracy of fine-needle aspiration cytology (FNAC) in the diagnosis of parotid gland masses. Material and Methods: Over a 10-year period, 126 parotid gland masses were resected. Retrospective chart reviews of 114 patients were performed...
November 2016: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28075511/postoperative-iodine-125-interstitial-brachytherapy-for-the-early-stages-of-minor-salivary-gland-carcinomas-of-the-lip-and-buccal-mucosa-with-positive-or-close-margins
#19
Wen-Jie Wu, Xiao Shao, Ming-Wei Huang, Xiao-Ming Lv, Xin-Na Zhang, Jian-Guo Zhang
BACKGROUND: The purpose of this study was to present our preliminary exploration of safety and efficacy of postoperative low-dose-rate brachytherapy for the early clinical stages of minor salivary gland carcinomas of the lip and buccal mucosa. METHODS: Twenty-seven patients with the early stages of minor salivary gland carcinomas of the lip and buccal mucosa received postoperative (125) I seed interstitial brachytherapy from March 2005 to May 2015. Actuarial likelihood estimates for local control, overall survival, and disease-free survival were calculated by Kaplan-Meier method...
January 11, 2017: Head & Neck
https://www.readbyqxmd.com/read/28074714/oncocytic-carcinoma-of-the-salivary-gland-in-a-dog
#20
Rei Nakahira, Masaki Michishita, Misaki Kato, Yuki Okuno, Hitoshi Hatakeyama, Hisashi Yoshimura, Daigo Azakami, Kazuhiko Ochiai, Makoto Bonkobara, Kimimasa Takahashi
A 3-y-old male miniature Dachshund was presented with an ~0.8 cm diameter mass in the right mandibular region. Fourteen months later, the mass was 5 × 4 × 3 cm. Grossly, the mass was encapsulated and was homogeneously gray-white on cut surface. Microscopically, the mass was composed of large, round to polygonal tumor cells that were arranged in solid nests and cords separated by a fibrovascular stroma. Tumor cells had large, round, hypochromatic nuclei containing large prominent nucleoli and abundant eosinophilic cytoplasm containing dark blue granules visible with phosphotungstic acid-hematoxylin stain...
January 2017: Journal of Veterinary Diagnostic Investigation
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