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https://www.readbyqxmd.com/read/28453408/salmonella-typhi-associated-endogenous-endophthalmitis-a-case-report-and-a-review-of-literature
#1
Suchit D Dadia, Rohit Ramesh Modi, Shruti Shirwadkar, Nayana A Potdar, Chhaya A Shinde, Akshay Gopinathan Nair
AIM: To report a rare case of Salmonella typhi associated endogenous endophthalmitis in an immunocompetent male and to review the available literature. METHODS: Retrospective chart review. RESULTS: A 28-year-old immunocompetent male presented with a 3-day-old history of pain, redness and diminished vision in his left eye. Conjunctival chemosis, corneal haze, and hypopyon were noted and yellowish exudates filled the vitreous cavity. A detailed elicitation of history revealed that patient had been treated for enteric fever that presented with diarrhea and fever, two weeks prior to current presentation...
April 28, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28444386/coevolution-with-pollinating-resin-midges-led-to-resin-filled-nurseries-in-the-androecia-gynoecia-and-tepals-of-kadsura-schisandraceae
#2
Shi-Xiao Luo, Ting-Ting Liu, Fei Cui, Zi-Yin Yang, Xiao-Ying Hu, Susanne S Renner
Background and Aims: Resin is a defence against herbivores and a floral reward in a few African and South American species whose bee pollinators collect it for nest construction. Here we describe a new role for floral resin from the Asian genus Kadsura (Schisandraceae). Kadsura tepals tightly cover a globe formed by carpels (in females) or near-fused stamens with fleshy connectives (in male flowers of most, but not all species). Methods: We carried out field observations at four sites in China and used pollinator behavioural assays, chemical analyses and time-calibrated insect and plant phylogenies to investigate the specificity of the interactions and their relationship to floral structure...
April 21, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28443500/occurrence-of-tem-shv-and-ctx-m-%C3%AE-lactamases-in-clinical-isolates-of-proteus-species-in-a-tertiary-care-center
#3
Mohit Chaubey, Suchitra Shenoy
BACKGROUND: Extended spectrum beta lactamases (ESBL) are responsible for increased resistance to third generation cephalosporins. Proteus species is an important cause of both community acquired and nosocomial infections. The Proteus spp is usually susceptible to beta lactam drugs but there is progressive increase in beta lactam resistance and recently ESBLs are also fast spreading to this species. OBJECTIVE: This study was conducted to study ESBL production and occurrence of TEM, SHV and CTX M beta lactamases in clinical isolates of Proteus spp in a tertiary care centre...
April 25, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28440918/uremic-pleuritis-a-case-report-and-review-of-recurrent-exudative-pleural-effusions-in-children
#4
Matthew D McGraw, Csaba Galambos, Paul C Stillwell
Despite similar mechanisms driving pleural fluid accumulation, the causes of pleural effusions in children differ significantly from that of adults. When a pleural effusion re-occurs in an adult, literature recommends early thoracentesis, and consideration for pleuroscopy with biopsy to guide the diagnostic evaluation. In children, there is a paucity of literature for guiding management of recurrent exudative pleural effusion. We present an unusual pediatric case of uremic pleuritis with recurrent pericardial and exudative pleural effusions...
April 25, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28439523/tsallis-entropy-and-sparse-reconstructive-dictionary-learning-for-exudate-detection-in-diabetic-retinopathy
#5
Vineeta Das, Niladri B Puhan
Computer-assisted automated exudate detection is crucial for large-scale screening of diabetic retinopathy (DR). The motivation of this work is robust and accurate detection of low contrast and isolated hard exudates using fundus imaging. Gabor filtering is first performed to enhance exudate visibility followed by Tsallis entropy thresholding. The obtained candidate exudate pixel map is useful for further removal of falsely detected candidates using sparse-based dictionary learning and classification. Two reconstructive dictionaries are learnt using the intensity, gradient, local energy, and transform domain features extracted from exudate and background patches of the training fundus images...
April 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28439024/nip1-2-is-a-plasma-membrane-localized-transporter-mediating-aluminum-uptake-translocation-and-tolerance-in-arabidopsis
#6
Yuqi Wang, Ruihong Li, Demou Li, Xiaomin Jia, Dangwei Zhou, Jianyong Li, Sangbom M Lyi, Siyu Hou, Yulan Huang, Leon V Kochian, Jiping Liu
Members of the aquaporin (AQP) family have been suggested to transport aluminum (Al) in plants; however, the Al form transported by AQPs and the roles of AQPs in Al tolerance remain elusive. Here we report that NIP1;2, a plasma membrane-localized member of the Arabidopsis nodulin 26-like intrinsic protein (NIP) subfamily of the AQP family, facilitates Al-malate transport from the root cell wall into the root symplasm, with subsequent Al xylem loading and root-to-shoot translocation, which are critical steps in an internal Al tolerance mechanism in Arabidopsis We found that NIP1;2 transcripts are expressed mainly in the root tips, and that this expression is enhanced by Al but not by other metal stresses...
April 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28437705/both-heavy-metal-amendment-of-soil-and-aphid-infestation-increase-cd-and-zn-concentrations-in-phloem-exudates-of-a-metal-hyperaccumulating-plant
#7
Clemens Stolpe, Franziska Giehren, Ute Krämer, Caroline Müller
Plants that are able to hyperaccumulate heavy metals show increased concentrations of these metals in their leaf tissue. However, little is known about the concentrations of heavy metals and of organic defence metabolites in the phloem sap of these plants in response to either heavy metal-amendment of the soil or biotic challenges such as aphid-infestation. In this study, we investigated the effects of heavy metal-exposure and of aphid-infestation on phloem exudate composition of the metal hyperaccumulator species Arabidopsis halleri L...
April 21, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28437133/the-impact-of-the-centrifuge-characteristics-and-centrifugation-protocols-on-the-cells-growth-factors-and-fibrin-architecture-of-a-leukocyte-and-platelet-rich-fibrin-l-prf-clot-and-membrane
#8
David M Dohan Ehrenfest, Nelson R Pinto, Andrea Pereda, Paula Jiménez, Marco Del Corso, Byung-Soo Kang, Mauricio Nally, Nicole Lanata, Hom-Lay Wang, Marc Quirynen
L-PRF (leukocyte- and platelet-rich fibrin) is one of the four families of platelet concentrates for surgical use and is widely used in oral and maxillofacial regenerative therapies. The first objective of this article was to evaluate the mechanical vibrations appearing during centrifugation in four models of commercially available table-top centrifuges used to produce L-PRF and the impact of the centrifuge characteristics on the cell and fibrin architecture of a L-PRF clot and membrane. The second objective of this article was to evaluate how changing some parameters of the L-PRF protocol may influence its biological signature, independently from the characteristics of the centrifuge...
April 24, 2017: Platelets
https://www.readbyqxmd.com/read/28433200/the-case-against-performing-pleural-biopsies-for-the-aetiological-diagnosis-of-exudates
#9
J M Porcel
In most cases, the etiological diagnosis of pleural exudates does not require a pleural biopsy. However, when it is considered necessary, the biopsy should seldom be conducted using invasive methods such as thoracoscopy. Two paradigmatic examples are pleural tuberculosis and malignant effusions. In many centres, pleural fluid adenosine deaminase measurement has replaced closed pleural biopsies in the diagnosis of tuberculosis. Similarly, pathological and molecular studies on pleural fluid cell blocks or alternatively, image-guided pleural biopsies have drastically reduced the need for thoracoscopy...
April 19, 2017: Revista Clínica Española
https://www.readbyqxmd.com/read/28432964/phytate-induced-arsenic-uptake-and-plant-growth-in-arsenic-hyperaccumulator-pteris-vittata
#10
Xue Liu, Jing-Wei Fu, Ni Tang, E B da Silva, Yue Cao, Benjamin L Turner, Yanshan Chen, Lena Q Ma
Phytate is abundant in soils, which is stable and unavailable for plant uptake. However, it occurs in root exudates of As-hyperaccumulator Pteris vittata (PV). To elucidate its effect on As uptake and growth, P. vittata were grown on agar media (63 μM P) containing 50 μM As and/or 50 or 500 μM phytate with non As-hyperaccumulator Pteris ensiformis (PE) as a congeneric control for 60 d. Phytate induced efficient As and P uptake, and enhanced growth in PV, but had little effects on PE. The As concentrations in PV fronds and roots were 157 and 31 mg kg(-1) in As50+phytate50, 2...
April 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28429222/comparison-of-the-effects-of-mitochondria-targeted-antioxidant-10-6-plastoquinonyl-decyltriphenylphosphonium-bromide-skq1-and-a-fragment-of-its-molecule-dodecyltriphenylphosphonium-on-carrageenan-induced-acute-inflammation-in-mouse-model-of-subcuteneous-air
#11
M A Chelombitko, O A Averina, T V Vasil'eva, E E Dvorianinova, M V Egorov, O Yu Pletjushkina, E N Popova, A V Fedorov, V P Romashchenko, O P Ilyinskaya
The effect of mitochondria-targeted antioxidant 10-(6'-plastoquinonyl) decyltriphenylphosphonium bromide (SkQ1) and its fragment dodecyltriphenylphosphonium (C12TPP), weak uncouplers of respiration and oxidative phosphorylation, was studied using a mouse model of carrageenan-induced acute inflammation in the subcutaneous air pouch. In our model, SkQ1 demonstrated a strong anti-inflammatory effect that manifested in a decrease in the absolute number of inflammatory cells, mainly neutrophils, and their relative number in parallel with an increase in macrophages and mast cell content in the inflammatory exudate...
April 21, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28427132/-influences-of-abar-gene-on-biofilm-formation-of-acinetobacter-baumannii
#12
H N Guo, J Xiang
Objective: To detect drug-resistant phenotype and abaR gene of Acinetobacter baumannii (AB) and investigate influences of abaR gene on biofilm formation of AB. Methods: From February to July 2014, 159 strains AB were collected from Department of Clinical Microbiology of Ruijin Hospital of School of Medicine of Shanghai JiaoTong University and numbered starting from 1 according time when they were collected. (1) The above-mentioned 159 strains of AB were identified by detecting gene sequence of 16S ribosomal DNA...
April 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28427062/emerging-issues-for-optical-coherence-tomography
#13
Luisa Pierro, Alessandro Rabiolo
Almost 25 years after its introduction, optical coherence tomography (OCT) is still a crucial test in the evaluation of patients affected by diabetic retinopathy. In this chapter, the authors provide an extensive overview of the posterior segment pathological changes induced by diabetes, characterized using OCT. OCT plays a key role in diabetic macular edema (DME) as it assesses related retinal changes both in a qualitative (i.e., DME pattern, presence and aspects of cysts, fluid localization, integrity, and reflectivity of retinal layers) and quantitative (i...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28424147/treatment-of-leukoencephalopathy-with-calcifications-and-cysts-with-bevacizumab
#14
Alex J Fay, Allison A King, Joshua S Shimony, Yanick J Crow, Jan E Brunstrom-Hernandez
BACKGROUND: Leukoencephalopathy with calcifications and cysts is a rare, autosomal recessive cerebral microangiopathy that causes progressive white matter disease, calcifications, and cysts within the brain. It is typically associated with slowly progressive psychomotor regression, seizures, and movement disorders. Although leukoencephalopathy with calcifications and cysts affects only the central nervous system, it demonstrates remarkable neuropathologic and radiologic overlap with Coats plus, a disorder of small vessels of the brain, eyes, gastrointestinal tract, and bone...
March 23, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28421878/cerebrovascular-injury-in-cryptococcal-meningitis
#15
Ajay Kumar Mishra, Vanjare Harshad Arvind, Divya Muliyil, Cijoy K Kuriakose, Anu Anna George, Reka Karuppusami, Ronald Albert Benton Carey, Sunithi Mani, Samuel George Hansdak
Background Cryptococcal meningitis continues to be one of the common causes of chronic central nervous system infection worldwide. Individuals with cryptococcal meningitis can occasionally present with small vessel vasculitis causing infarcts primarily in the basal ganglia, internal capsule, and thalamus. Literature regarding patterns of cerebrovascular injury among patients with cryptococcal meningitis is scanty, and outcome following these vascular involvements is unknown. Aim To study the clinical profile, imaging findings, and details of vascular territory involved among patients admitted with cryptococcal meningitis and central nervous system infarct in a tertiary care center from India...
January 1, 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28421746/multifunctional-enzymatically-generated-hydrogels-for-chronic-wound-application
#16
Ivaylo Stefanov, Sílvia Pérez-Rafael, Javier Hoyo, Jonathan Cailloux, Orlando O Santana Pérez, Dolores Hinojosa-Caballero, Tzanko Tzanov
The healing of chronic wounds requires intensive medical intervention at huge healthcare costs. Dressing materials should consider the multifactorial nature of these wounds comprising deleterious proteolytic and oxidative enzymes and high bacterial load. In this work, multifunctional hydrogels for chronic wound application were produced by enzymatic cross-linking of thiolated chitosan and gallic acid. The hydrogels combine several beneficial to wound healing properties, controlling the matrix metalloproteinases (MMPs) and myeloperoxidase (MPO) activities, oxidative stress, and bacterial contamination...
April 25, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28421524/distance-dependent-varieties-of-microbial-community-structure-and-metabolic-functions-in-the-rhizosphere-of-sedum-alfredii-hance-during-phytoextraction-of-a-cadmium-contaminated-soil
#17
Wenhao Yang, Taoxiang Zhang, Sen Lin, Wuzhong Ni
The recovery of microbial community and activities is crucial to the remediation of contaminated soils. Distance-dependent variations of microbial community composition and metabolic characteristics in the rhizospheric soil of hyperaccumulator during phytoextraction are poorly understood. A 12-month phytoextraction experiment with Sedum alfredii in a Cd-contaminated soil was conducted. A pre-stratified rhizobox was used for separating sub-layer rhizospheric (0-2, 2-4, 4-6, 6-8, 8-10 mm from the root mat)/bulk soils...
April 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28420620/identification-of-lrp5-mutations-in-families-with-familial-exudative-vitreoretinopathy
#18
Liu Yuqing, Zhu Xiong, Li Shujin, Yang Yeming, Yang Mu, Zhao Peiquan, Zhu Xianjun
Familial exudative vitreoretinopathy (FEVR) is a hereditary eye disease characterized by defects in the development of periphery retinal vessels. However, the clinical phenotypes of FEVR vary widely from asymptomatic to complete blindness. We analyzed patients from three Chinese families and one sporadic patient with FEVR to investigate the clinical features and disease-causing mutations. Ocular phenotypes included increased ramification of the peripheral retinal vessels, a peripheral avascular zone, inferotemporal dragging of the optic disc and macula, and retinal folds...
March 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28418948/optical-coherence-tomography-in-neuroretinitis-epipapillary-infiltrates-and-retinal-folds
#19
Luca Zatreanu, Patrick A Sibony, Mark J Kupersmith
Neuroretinitis is a form of papillitis associated with the delayed onset of an exudative macular star among other inflammatory ocular findings. We describe 4 patients with neuroretinitis who displayed several distinctive and novel findings on spectral-domain optical coherence tomography (OCT) that include "epipapillary infiltrates" and an atypical pattern of inner retinal folds. The recognition of these findings on OCT may help in the early diagnosis of neuroretinitis.
April 14, 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28418566/peripheral-exudative-hemorrhagic-chorioretinopathy
#20
Gibran Khurshid
No abstract text is available yet for this article.
April 13, 2017: JAMA Ophthalmology
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