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https://www.readbyqxmd.com/read/27908249/automated-system-for-referral-of-cotton-wool-spots
#1
Syed Ali Gohar Naqvi, Hafiz Muhammad Faisal Zafar, Ihsan Ul Haq
BACKGROUND: Cotton-wool spots also referred as soft exudates are the early sign of complications in the eye fundus of the patients suffering from diabetic retinopathy. Early detection of exudates helps in diagnosis of the disease and provides better medical attention. METHODS: In the paper an automated system for detection of soft exudates has been suggested. The system has been developed by the combination of different techniques like scale invariant feature transform (SIFT), Visual Dictionaries, K-means clustering and support vector machine (SVM)...
December 1, 2016: Current Diabetes Reviews
https://www.readbyqxmd.com/read/27905346/bevacizumab-in-choroidal-neovascularization-secondary-to-indian-tick-typhus-a-rare-case-report
#2
Raghavendra Ijeri, Gautam Beladiya, Sharad Bhomaj
Tick typhus causes hemorrhagic lesions over the skin. Retina also shows hemorrhages and exudates. Many cases have been reported in western literature about this condition. To our best of knowledge, this is the first case report of tick typhus in India which was also associated with inflammatory choroidal neovascularization.
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27905044/modulatory-effect-of-the-exudates-released-by-the-brown-kelp-lessonia-spicata-on-the-toxicity-of-copper-in-early-developmental-stages-of-ecologically-related-organisms
#3
Alexandre Fellous, Santiago Andrade, Francisco Vidal-Ramirez, Ricardo Calderón, Jessica Beltran, Juan A Correa
Lessonia spicata is a key dominant species along the Pacific coast of South America, providing a habitat for many organisms. However, this role can be affected by abiotic stress, such as metals. To counteract the toxic effect, L. spicata, among other seaweeds, releases exudates that bind metals. In this study, tolerances to copper of organisms related to the kelp forest (spores of Ulva lactuca (Chlorophyceae) and L. spicata (Phaeophyceae) and Zoea I of Taliepus dentatus (Milne-Edwards, Crustacea)) were studied; then, exudates are assessed by their protective effect...
November 30, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27905025/flavonoids-from-heliotropium-subulatum-exudate-and-their-evaluation-for-antioxidant-antineoplastic-and-cytotoxic-activities-ii
#4
Bharat Singh, Pooran M Sahu, Ram A Sharma
The flavonoids are the largest group of phenolic compounds isolated from a wide range of higher plants. These compounds work as antimicrobials, anti-insect agents and protect plants from other types of biotic and abiotic stresses. Various researchers have suggested that flavonoids possessed antioxidant, antineoplastic and cytotoxic activities. The main objective of this study was to test dichloromethane fraction of resinous exudate of Heliotropium subulatum for their antioxidant, antineoplastic and cytotoxic activities, as well as to search new antioxidant and antineoplastic agents for pharmaceutical formulations...
November 30, 2016: Cytotechnology
https://www.readbyqxmd.com/read/27903277/sequence-diversity-of-dengue-virus-type-2-in-brain-and-thymus-of-infected-interferon-receptor-ko-mice-implications-for-dengue-virulence
#5
Priya Dhole, Emi E Nakayama, Akatsuki Saito, Kriengsak Limkittikul, Supranee Phanthanawiboon, Tatsuo Shioda, Takeshi Kurosu
BACKGROUND: We previously reported that a clinical isolate of dengue virus (DENV) is capable of causing acute-phase systemic infection in mice harboring knockouts of the genes encoding type-I and -II interferon IFN receptors (IFN-α/β/γR KO mice); in contrast, other virulent DENV isolates exhibited slow disease progression in this mice, yielding lethal infection around 20 days post-infection (p.i.). In the present study, we sought to clarify the dynamics of slow disease progression by examining disease progression of a type-2 DENV clinical isolate (DV2P04/08) in mice...
November 30, 2016: Virology Journal
https://www.readbyqxmd.com/read/27903184/microinvasive-tumor-endoresection-in-combination-with-ocular-stereotactic-radiosurgery
#6
Oleg A Sinyavskiy, Roman L Troyanovsky, Pavel I Ivanov, Alexandr S Golovin, Andrey V Tibilov, Svetlana N Solonina, Anna M Astapenko, Irina S Zubatkina
OBJECTIVE The use of Gamma Knife radiosurgery (GKRS) as monotherapy in the treatment of uveal melanoma (UM) allows clinicians to achieve high local tumor control with low recurrence but does not prevent secondary enucleation due to glaucoma in cases of large tumors. The authors analyzed indications for tumor endoresection (ER), the time interval between irradiation and surgery, and the features and results of performing ER for UM after GKRS. METHODS Thirty-seven patients between 28 and 78 years of age (16 male and 11 female patients) with UM underwent GKRS with a dose of 70 to 80 Gy that was applied to the center of the tumor with complete immobilization of the eye during the procedure...
December 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27903001/right-in-front-of-our-eyes-evolution-of-streptococcal-toxic-shock-syndrome-with-ischemic-optic-neuropathy
#7
Salaheldin M Elhamamsy, Mazen O Al-Qadi, Taro Minami, Marguerite Neill
INTRODUCTION: Toxic shock syndrome occurs from dysregulation of host inflammatory responses. Toxin- producing strains of Group A streptococcus cause TSS. Ischemic optic neuropathy rarely complicates septic shock. We present a rare case of streptococcal pharyngitis complicated by septic arthritis and TSS with reversible blindness due to non-arteritic ischemic optic neuropathy. CASE: A 28-year-old man drove to our ED with exudative pharyngitis. A rapid streptococcal test was positive...
December 1, 2016: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/27901387/quantification-and-characterization-of-pleural-fluid-in-healthy-dogs-with-thoracostomy-tubes
#8
Germaine C Hung, M Casey Gaunt, Joseph E Rubin, Gregory S Starrak, Sherisse A Sakals
OBJECTIVE To quantify and characterize pleural fluid collected from healthy dogs after placement of a thoracostomy tube (TT). ANIMALS 8 healthy Coonhound-cross dogs (mean ± SD weight, 27.2 ± 1.6 kg). PROCEDURES Thoracic CT of each dog was performed before placement of a TT and daily thereafter for 7 days. Thoracic fluid volume was calculated from CT images. Effusion was aspirated when detected; volume was recorded, and cytologic analysis and bacterial culture were performed. RESULTS Mean ± SD volume of pleural effusion detected by CT was 1...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27899502/bacillus-subtilis-early-colonization-of-arabidopsis-thaliana-roots-involves-multiple-chemotaxis-receptors
#9
Rosalie Allard-Massicotte, Laurence Tessier, Frédéric Lécuyer, Venkatachalam Lakshmanan, Jean-François Lucier, Daniel Garneau, Larissa Caudwell, Hera Vlamakis, Harsh P Bais, Pascale B Beauregard
: Colonization of plant roots by Bacillus subtilis is mutually beneficial to plants and bacteria. Plants can secrete up to 30% of their fixed carbon via root exudates, thereby feeding the bacteria, and in return the associated B. subtilis bacteria provide the plant with many growth-promoting traits. Formation of a biofilm on the root by matrix-producing B. subtilis is a well-established requirement for long-term colonization. However, we observed that cells start forming a biofilm only several hours after motile cells first settle on the plant...
November 29, 2016: MBio
https://www.readbyqxmd.com/read/27898979/oct-angiography-based-detection-and-quantification-of-the-neovascular-network-in-exudative-amd
#10
Moritz Lindner, Petra P Fang, Julia S Steinberg, Niklas Domdei, Maximilian Pfau, Tim U Krohne, Steffen Schmitz-Valckenberg, Frank G Holz, Monika Fleckenstein
Purpose: To investigate the potential of optical coherence tomography (OCT) angiography to detect and quantify the neovascular network in exudative AMD. Methods: Treatment-naïve eyes that were diagnosed with exudative AMD were prospectively examined by OCT angiography (OCT-A). The extent of the neovascular network was measured by three independent readers. Interclass-correlation coefficient and area overlap coefficients (OC) were calculated to assess locally precise agreement between measurements...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27896685/the-interactions-of-vanadate-monomer-with-the-mycelium-of-fungus-phycomyces-blakesleeanus-reduction-or-uptake
#11
Mirzeta Hadžibrahimović, Desanka Sužnjević, Ferenc Pastor, Tijana Cvetić Antić, Milan Žižić, Joanna Zakrzewska, Miroslav Živić
The possibility of reduction of vanadate monomer in the mycelium of fungus Phycomyces blakesleeanus was investigated in this study by means of polarography. Control experiments were performed with vanadyl [V(IV)] and vanadate [V(V)] in 10 mM Hepes, pH 7.2. Addition of P. blakesleeanus mycelium resulted in disappearance of all V(IV) polarographic waves recorded in the control. This points to the uptake of all available V(IV) by the mycelium, up to 185 µmol/gFW, and suggests P. blakesleeanus as a potential agent in V(IV) bioremediation...
November 28, 2016: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/27895079/anterior-chamber-exudation-in-chronic-myeloid-leukaemia
#12
Ravi Bypareddy, Brijesh Takkar, Shorya Vardhan Azad, Rohan Chawla
Anterior chamber leukaemic hypopyon is a rare occurrence in chronic myeloid leukaemia. We discuss two cases marked by rapid exudation inside the anterior chamber, which were subsequently diagnosed as chronic myeloid leukaemia. The hypopyon in both the cases resolved on induction of chemotherapy.
November 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27894388/-analysis-of-distribution-and-drug-resistance-of-pathogens-isolated-from-541-hospitalized-children-with-burn-infection
#13
J X Dai, L Li, L Xu, Z H Chen, X Y Li, M Liu, Y Q Wen, X D Chen
Objective: To investigate the distribution and drug resistance of pathogens isolated from hospitalized children with burn infection. Methods: Totally 541 patients were hospitalized in Fujian Medical University Union Hospital, the 180th Hospital of Chinese People's Liberation Army(PLA), the 92th Hospital of PLA, and Longyan First Hospital from January 2013 to December 2015. Totally 848 clinical specimens (blood, catheter tip attachments, wound exudate, etc.) were collected for pathogen detection. After being identified by an automatic microbiological identification system, drug resistance of pathogens to 41 commonly-used antibiotics in clinic including gentamicin, aztreonam, erythromycin, clindamycin, etc...
November 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/27893833/increasing-the-size-of-the-microbial-biomass-altered-bacterial-community-structure-which-enhances-plant-phosphorus-uptake
#14
Pu Shen, Daniel Vaughan Murphy, Suman J George, Hazel Lapis-Gaza, Minggang Xu, Deirdre Bridget Gleeson
Agricultural production can be limited by low phosphorus (P) availability, with soil P being constrained by sorption and precipitation reactions making it less available for plant uptake. There are strong links between carbon (C) and nitrogen (N) availability and P cycling within soil P pools, with microorganisms being an integral component of soil P cycling mediating the availability of P to plants. Here we tested a conceptual model that proposes (i) the addition of readily-available organic substrates would increase the size of the microbial biomass thus exhausting the pool of easily-available P and (ii) this would cause the microbial biomass to access P from more recalcitrant pools...
2016: PloS One
https://www.readbyqxmd.com/read/27893810/antiviral-efficacy-of-verdinexor-in-vivo-in-two-animal-models-of-influenza-a-virus-infection
#15
Olivia Perwitasari, Scott Johnson, Xiuzhen Yan, Emery Register, Jackelyn Crabtree, Jon Gabbard, Elizabeth Howerth, Sharon Shacham, Robert Carlson, Sharon Tamir, Ralph A Tripp
Influenza A virus (IAV) causes seasonal epidemics of respiratory illness that can cause mild to severe illness and potentially death. Antiviral drugs are an important countermeasure against IAV; however, drug resistance has developed, thus new therapeutic approaches are being sought. Previously, we demonstrated the antiviral activity of a novel nuclear export inhibitor drug, verdinexor, to reduce influenza replication in vitro and pulmonary virus burden in mice. In this study, in vivo efficacy of verdinexor was further evaluated in two animal models or influenza virus infection, mice and ferrets...
2016: PloS One
https://www.readbyqxmd.com/read/27893465/accelerated-resolution-of-inflammation-underlies-sex-differences-in-inflammatory-responses-in-humans
#16
Krishnaraj S Rathod, Vikas Kapil, Shanti Velmurugan, Rayomand S Khambata, Umme Siddique, Saima Khan, Sven Van Eijl, Lorna C Gee, Jascharanpreet Bansal, Kavi Pitrola, Christopher Shaw, Fulvio D'Acquisto, Romain A Colas, Federica Marelli-Berg, Jesmond Dalli, Amrita Ahluwalia
BACKGROUND: Cardiovascular disease occurs at lower incidence in premenopausal females compared with age-matched males. This variation may be linked to sex differences in inflammation. We prospectively investigated whether inflammation and components of the inflammatory response are altered in females compared with males. METHODS: We performed 2 clinical studies in healthy volunteers. In 12 men and 12 women, we assessed systemic inflammatory markers and vascular function using brachial artery flow-mediated dilation (FMD)...
November 28, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27890880/myopericarditis-in-a-case-of-anti-signal-recognition-particle-anti-srp-antibody-positive-myopathy
#17
Mariko Tanaka, Naoki Gamou, Hirohiko Shizukawa, Emiko Tsuda, Shun Shimohama
A 79 year-old female was admitted to our hospital because of high serum creatine kinase level together with proximal muscle weakness and pain on grasping. MRI revealed inflammatory changes in femoral muscles on both sides. Muscle biopsy showed size irregularity of muscle cells, and necrosis and regeneration of fibers. Study of antibodies was also consistent with the diagnostic criteria of anti-signal recognition particle (anti-SRP) antibody-positive myopathy. On admission, the patient required pericardiocentesis for the management of exudative pericarditis...
November 25, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27890584/a-sedge-plant-as-the-source-of-kangaroo-island-propolis-rich-in-prenylated-p-coumarate-ester-and-stilbenes
#18
Colin C Duke, Van H Tran, Rujee K Duke, Abdallah Abu-Mellal, George T Plunkett, Douglas I King, Kaiser Hamid, Karen L Wilson, Russell L Barrett, Jeremy J Bruhl
Propolis samples from Kangaroo Island, South Australia, were investigated for chemical constituents using high-field nuclear magnetic resonance spectral profiling. A type of propolis was found containing a high proportion of prenylated hydroxystilbenes. Subsequently, the botanical origin of this type of propolis was identified using a beehive propolis depletion method and analysis of flora. Ligurian honey bees, Apis mellifera ligustica Spinola, were found to produce propolis from resin exuded by the Australian native sedge plant Lepidosperma sp...
November 24, 2016: Phytochemistry
https://www.readbyqxmd.com/read/27890545/organic-acid-anions-an-effective-defensive-weapon-for-plants-against-aluminum-toxicity-and-phosphorus-deficiency-in-acidic-soils
#19
REVIEW
Zhi Chang Chen, Hong Liao
Aluminum (Al) toxicity and phosphorous (P) deficiency are two major limiting factors for plant growth on acidic soils. Thus, the physiological mechanisms for Al tolerance and P acquisition have been intensively studied. A commonly observed trait is that plants have developed the ability to utilize organic acid anions (OAs; mainly malate, citrate and oxalate) to combat Al toxicity and P deficiency. OAs secreted by roots into the rhizosphere can externally chelate Al(3+) and mobilize phosphate (Pi), while OAs synthesized in the cell can internally sequester Al(3+) into the vacuole and release free Pi for metabolism...
November 11, 2016: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/27886127/viperid-envenomation-wound-exudate-contributes-to-increased-vascular-permeability-via-a-damps-tlr-4-mediated-pathway
#20
Alexandra Rucavado, Carolina A Nicolau, Teresa Escalante, Junho Kim, Cristina Herrera, José María Gutiérrez, Jay W Fox
Viperid snakebite envenomation is characterized by inflammatory events including increase in vascular permeability. A copious exudate is generated in tissue injected with venom, whose proteomics analysis has provided insights into the mechanisms of venom-induced tissue damage. Hereby it is reported that wound exudate itself has the ability to induce increase in vascular permeability in the skin of mice. Proteomics analysis of exudate revealed the presence of cytokines and chemokines, together with abundant damage associated molecular pattern molecules (DAMPs) resulting from both proteolysis of extracellular matrix and cellular lysis...
November 24, 2016: Toxins
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