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https://www.readbyqxmd.com/read/28645353/actualit%C3%A3-s-autour-de-la-prise-en-charge-des-diab%C3%A3-tes-insipides-centraux-management-of-central-diabetes-insipidus-in-2016
#1
H Lasolle, F Borson-Chazot
Diabetes insipidus is a syndrome that associates both hypotonic polyuria and polydipsia, due to insufficient or ineffective arginine vasopressin (AVP) synthesis, or to AVP resistance. The diagnosis between central/renal origin, or an abnormal thirst regulation (primary polydipsia) is required to organize an adapted management. Because water deprivation tests are not reliable, it's often based on medical history, response to treatment and MRI. Copeptin is an AVP precursor which could be very helpful for the diagnosis...
October 2016: Annales D'endocrinologie
https://www.readbyqxmd.com/read/28644879/identification-of-a-novel-fungus-trichoderma-asperellum-gdfs1009-and-comprehensive-evaluation-of-its-biocontrol-efficacy
#2
Qiong Wu, Ruiyan Sun, Mi Ni, Jia Yu, Yaqian Li, Chuanjin Yu, Kai Dou, Jianhong Ren, Jie Chen
Due to its efficient broad-spectrum antimicrobial activity, Trichoderma has been established as an internationally recognized biocontrol fungus. In this study, we found and identified a novel strain of Trichoderma asperellum, named GDFS1009. The mycelium of T. asperellum GDFS1009 exhibits a high growth rate, high sporulation capacity, and strong inhibitory effects against pathogens that cause cucumber fusarium wilt and corn stalk rot. T. asperellum GDFS1009 secretes chitinase, glucanase, and protease, which can degrade the cell walls of fungi and contribute to mycoparasitism...
2017: PloS One
https://www.readbyqxmd.com/read/28644713/an-unstructured-loop-that-is-critical-for-interactions-of-the-stalk-domain-of-drp1-with-saturated-phosphatidic-acid
#3
Yoshihiro Adachi, Miho Iijima, Hiromi Sesaki
Dynamin-related protein 1 (Drp1) is a dynamin superfamily GTPase, which drives membrane constriction during mitochondrial division. To mediate mitochondrial division, Drp1 is recruited to the mitochondrial outer membrane and is assembled into the division machinery. We previously showed that Drp1 interacts with phosphatidic acid (PA) and saturated phospholipids in the mitochondrial membrane, and this interaction restrains Drp1 in initiating the constriction of mitochondria. Here, we show that the role of saturated acyl chains of phospholipids is independent of their contribution to the membrane curvature or lipid packing suggesting their direct interaction with Drp1...
June 23, 2017: Small GTPases
https://www.readbyqxmd.com/read/28637924/vp4-and-vp7-specific-antibodies-mediate-heterotypic-immunity-to-rotavirus-in-humans
#4
Nitya Nair, Ningguo Feng, Lisa K Blum, Mrinmoy Sanyal, Siyuan Ding, Baoming Jiang, Adrish Sen, John M Morton, Xiao-Song He, William H Robinson, Harry B Greenberg
Human rotaviruses (RVs) are the leading cause of severe diarrhea in young children worldwide. The molecular mechanisms underlying the rapid induction of heterotypic protective immunity to RV, which provides the basis for the efficacy of licensed monovalent RV vaccines, have remained unknown for more than 30 years. We used RV-specific single cell-sorted intestinal B cells from human adults, barcode-based deep sequencing of antibody repertoires, monoclonal antibody expression, and serologic and functional characterization to demonstrate that infection-induced heterotypic immunoglobulins (Igs) primarily directed to VP5*, the stalk region of the RV attachment protein, VP4, are able to mediate heterotypic protective immunity...
June 21, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28637163/the-impacts-of-biomass-properties-on-pyrolysis-yields-economic-and-environmental-performance-of-the-pyrolysis-bioenergy-biochar-platform-to-carbon-negative-energy
#5
Wenqin Li, Qi Dang, Robert C Brown, David Laird, Mark M Wright
This study evaluated the impact of biomass properties on the pyrolysis product yields, economic and environmental performance for the pyrolysis-biochar-bioenergy platform. We developed and applied a fast pyrolysis, feedstock-sensitive, regression-based chemical process model to 346 different feedstocks, which were grouped into five types: woody, stalk/cob/ear, grass/plant, organic residue/product and husk/shell/pit. The results show that biomass ash content of 0.3-7.7wt% increases biochar yield from 0.13 to 0...
June 11, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28634352/differences-in-sequences-between-hbv-relaxed-circular-dna-and-covalently-closed-circular-dna
#6
Magda Rybicka, Anna Woziwodzka, Tomasz Romanowski, Piotr Stalke, Marcin Dręczewski, Krzysztof Piotr Bielawski
The hepatitis B virus (HBV) genome exists in two forms: circular covalently closed DNA (cccDNA) and relaxed circular DNA (RCDNA). Here, we investigated the presence of differences in the sequences of both forms in paired samples of serum and liver tissue. The serum and liver biopsy samples were collected at the same time from 67 chronically infected patients. The genotyping of the RCDNA and cccDNA was performed using mass spectrometry analysis. The HBV mutations located in the HBV pol (P) and the HBV basal core promoter/pre-core (BCP/PC) regions were included...
June 21, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28630278/synthetic-deletion-of-the-interleukin-23-receptor-il-23r-stalk-region-led-to-autonomous-il-23r-homodimerization-and-activation
#7
Thorben M Hummel, Theresa Ackfeld, Marco Schönberg, Gregor Ciupka, Falk Schulz, Anne Oberdoerster, Joachim Grötzinger, Jürgen Scheller, Doreen M Floss
Interleukin 23 (IL-23) regulates the development of TH17 cells, which are important for antimicrobial and antifungal responses, autoimmune and chronic inflammatory diseases. IL-23-induced Jak/STAT signaling is mediated via the heterodimeric IL-23 receptor (IL-23R):IL-12 receptor β1 (IL-12Rβ1) complex. The typical signal-transducing receptor of the IL-6/IL-12 family contains three extracellular membrane proximal FNIII-type domains, which are not involved in cytokine binding but mandatory for signal transduction...
June 19, 2017: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28626085/diabetes-insipidus-is-an-unfavorable-prognostic-factor-for-response-to-glucocorticoids-in-patients-with-autoimmune-hypophysitis
#8
Isabella Lupi, Mirco Cosottini, Patrizio Caturegli, Luca Manetti, Claudio Urbani, Daniele Cappellani, Ilaria Scattina, Enio Martino, Claudio Marcocci, Fausto Bogazzi
INTRODUCTION: Autoimmune hypophysitis (AH) has a variable clinical presentation and natural history; likewise, its response to glucocorticoid therapy is often unpredictable. OBJECTIVE: To identify clinical and radiological findings associated with response to glucocorticoids. DESIGN AND METHODS: 12 consecutive patients with AH, evaluated from 2008 to 2016. AH was the exclusion diagnosis after ruling out other pituitary masses and secondary causes of hypophysitis...
August 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28624094/the-impact-of-pulsed-electric-fields-and-ultrasound-on-water-distribution-and-loss-in-mushrooms-stalks
#9
Nicolò Dellarosa, Daniele Frontuto, Luca Laghi, Marco Dalla Rosa, James G Lyng
Pulsed electric fields (PEF) and ultrasound (US) are promising innovative technologies with the potential to increase mass transfer when combined with further processes which in turn can provide potential benefits in the recovery of valuable compounds from food by-products. To provide evidence of the mechanism of mass transfer enhancement, the present study assessed the impact of PEF and US treatments, applied individually and in combination, at low and high temperatures, on the tissue microstructure of mushroom stalks...
December 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28619991/evidence-that-differentiation-inducing-factor-1-controls-chemotaxis-and-cell-differentiation-at-least-in-part-via-mitochondria-in-d-discoideum
#10
Yuzuru Kubohara, Haruhisa Kikuchi, Van Hai Nguyen, Hidekazu Kuwayama, Yoshiteru Oshima
Differentiation-inducing factor-1 [1-(3,5-dichloro-2,6-dihydroxy-4-methoxyphenyl)hexan-1-one (DIF-1)] is an important regulator of cell differentiation and chemotaxis in the development of the cellular slime mold Dictyostelium discoideum However, the entire signaling pathways downstream of DIF-1 remain to be elucidated. To characterize DIF-1 and its potential receptor(s), we synthesized two fluorescent derivatives of DIF-1, boron-dipyrromethene (BODIPY)-conjugated DIF-1 (DIF-1-BODIPY) and nitrobenzoxadiazole (NBD)-conjugated DIF-1 (DIF-1-NBD), and investigated their biological activities and cellular localization...
June 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28616072/the-advanced-strategy-for-enhancing-biobutanol-production-and-high-efficient-product-recovery-with-reduced-wastewater-generation
#11
Chuang Xue, Xiaotong Zhang, Jufang Wang, Min Xiao, Lijie Chen, Fengwu Bai
BACKGROUND: Butanol as an important chemical and potential fuel could be produced via ABE fermentation from lignocellulosic biomass. The use of food-related feedstocks such as maize and sugar cane may not be a sustainable solution to world's energy needs. Recently, Jerusalem artichoke tubers containing inulin have been used as feedstock for butanol production, but this bioprocess is not commercially feasible due to the great value of inulin as functional food. Till now, there is a gap on the utilization of Jerusalem artichoke stalk (JAS) as feedstock for microbial butanol production...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28614764/intensification-of-steam-explosion-and-structural-intricacies-impacting-sugar-recovery
#12
Ruchi Gaur, Surbhi Semwal, Tirath Raj, Bhawna Yadav Lamba, E Ramu, Ravi P Gupta, Ravindra Kumar, Suresh K Puri
Dilute acid (DA) pretreatment at pilot level failed for cotton stalk (CS) due to the technical issues posed by its inherent nature. Reasonable glucan conversion has been reported via two-stage pretreatment but adds on to the process cost. Proposed herewith is a single-stage steam explosion (SE) process preceded by water extraction resulting in high sugar recovery from CS. Raising the extraction temperature to 80°C increased the glucan conversion from 37.9 to 52.4%. Further improvement up to 68.4% was achieved when DA was incorporated during the room temperature extraction...
June 2, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28614220/rituximab-was-used-to-treat-recurrent-igg4-related-hypophysitis-with-ophthalmopathy-as-the-initial-presentation-a-case-report-and-literature-review
#13
Wei-Jun Gu, Qian Zhang, Jian Zhu, Jie Li, Shi-Hui Wei, Yi-Ming Mu
RATIONALE: Immunoglobulin G4 (IgG4)-related hypophysitis is a type of IgG4-related disease (IgG4-RD), which is characterized by plasma cells infiltration in the pituitary causing functional changes and (or) space-occupying effect in the pituitary. IgG4-related hypophysitis is sensitive to hormone therapy in most patients, but recurrence is very likely. PATIENT CONCERNS: Here, we report a 57-year-old male patient with bilateral eye redness as the initial presentation...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28614150/exophytic-osteochondroma-of-the-brow
#14
Frederick A Jakobiec, Fouad R Zakka, Nahyoung Grace Lee
Most boney and cartilaginous lesions of the orbit and periorbital compartments are benign, grow endophytically, and are composed of dense lamellar bone (eburnated or ivory osteomas). An 87-year-old woman had a well-circumscribed, firm, round, and exophytic lesion of the brow region for at least 15 years. Excisional surgery disclosed an osteocartilaginous lesion with an enveloping pseudocapsule (periosteum/perichondrium) and a narrow stalk connecting it to the frontal bone. The periphery of the lesion displayed lamellar bone which appeared to be replacing a central cartilaginous zone...
June 13, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28610997/identification-of-multienzymatic-complexes-in-the-clonostachys-byssicola-secretomes-produced-in-response-to-different-lignocellulosic-carbon-sources
#15
Helder Andrey Rocha Gomes, Adelson Joel da Silva, Diana Paola Gómez-Mendoza, Agenor Castro Moreira Dos Santos Júnior, Nicholas de Mojana di Cologna, Rosane Mansan Almeida, Robert Neil Gerard Miller, Wagner Fontes, Marcelo Valle de Sousa, Carlos André Ornelas Ricart, Edivaldo Ximenes Ferreira Filho
Multienzymatic complexes with plant lignocellulose-degrading activities have recently been identified in filamentous fungi secretomes. Such complexes have potential biotechnological applications in the degradation of agro-industrial residues. Fungal species from the Clonostachys genus have been intensively investigated as biocontrol agents; however so far their use as producers of lignocellulose-degrading enzymes has not been extensively explored. Secretomes of Clonostachys byssicola following growth on different carbon sources (passion fruit peel, soybean hulls, cotton gin trash, banana stalk, sugarcane bagasse, orange peel, and a composition of soybean hulls: cotton gin trash:orange peel) were subjected to enzymatic assays...
June 10, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28610336/first-record-of-a-new-epibionts-suctorian-ciliate-tokophrya-huangmeiensis-sp-n-ciliophora-phyllopharyngea-from-redclaw-crayfish-cherax-quadricarinatus-von-martens-1868
#16
Urfa Bin Tahir, Qiong Deng, Sen Li, Yang Liu, Zhe Wang, Zemao Gu
A new suctorian ciliate, Tokophrya huangmeiensis sp. n. was isolated from the carapace of redclaw crayfish Cherax quadricarinatus, during investigation of fish ciliates diversity in freshwater aquaculture of Hubei, China. The zooids of newly isolated ciliate were found aggregated into colonies on stalks of another ciliate Epistylis. The adults of this newly found species were characterized by an elongated pyramidal shaped and corrugated cell body with two fascicles of tentacles on the apical part of cell body...
May 22, 2017: Zootaxa
https://www.readbyqxmd.com/read/28610266/two-new-i-auletta-i-schmidt-1870-axinellidae-demospongiae-porifera-from-brazil
#17
Thaynã Cavalcanti, Radharanne Recinos, Ulisses Pinheiro
The genus Auletta Schmidt, 1970 comprises 14 valid species, with six known from the Atlantic Ocean. The genus was previously recorded for the Brazilian coast only in 1967 from surveys in Pernambuco State. The present paper describes two new Auletta from Northeastern Brazil. Auletta akaroa sp. nov. is from Alagoas State and it has a stalked tubular shape and small sinuous styles and strongyles. Auletta laboreli sp. nov. was found in Pernambuco State and it is a sponge with a cylindrical and cavernous body composed of styles with blunt and telescopic tips and sinuous strongyles...
June 1, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609848/geochemical-landscapes-as-drivers-of-trace-and-toxic-element-profiles-in-wild-red-deer-cervus-elaphus
#18
Andrew S French, David Shaw, Stuart W Gibb, Mark A Taggart
Tissue concentrations of essential trace and toxic elements in red deer (Cervus elaphus) are associated with the plants, soil and water they ingest. As such, variation in tissue concentrations is associated with variation in local geochemistry and bioavailability of elements. Physiological factors such as liver fluke (Fasciola hepatica) infection, breeding status, and in-tissue element interactions may also affect tissue concentrations, though their effects in red deer are not well understood. The primary objective of this study was therefore to survey wild red deer liver element concentrations across a range of geographically distinct populations during the Scottish red deer stalking season; and, in so doing, establishes element reference ranges while also exploring geographic and temporal variation and physiological factors...
June 9, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28608840/sequence-identification-recombinant-production-and-analysis-of-the-self-assembly-of-egg-stalk-silk-proteins-from-lacewing-chrysoperla-carnea
#19
Martin Neuenfeldt, Thomas Scheibel
Egg stalk silks of the common green lacewing Chrysoperla carnea likely comprise at least three different silk proteins. Based on the natural spinning process, it was hypothesized that these proteins self-assemble without shear stress, as adult lacewings do not use a spinneret. To examine this, the first sequence identification and determination of the gene expression profile of several silk proteins and various transcript variants thereof was conducted, and then the three major proteins were recombinantly produced in Escherichia coli encoded by their native complementary DNA (cDNA) sequences...
June 13, 2017: Biomolecules
https://www.readbyqxmd.com/read/28607780/homonymous-superior-quadrantanopia-due-to-erdheim-chester-disease-with-asymptomatic-pituitary-involvement
#20
Roaa Ridha Amer, Sara Mohammed Qubaiban, Eman Abdulkarim Bakhsh
Polyostotic sclerosing histiocytosis, also known as Erdheim-Chester disease (ECD), is a rare form of non-Langerhans histiocytosis. ECD has wide clinical spectrums which mainly affect skeletal, neurological, dermatological, retroperitoneal, cardiac, and pulmonary manifestations. Here we describe a case of ECD in a 45-year-old female who presented initially with bilateral knee pain and homonymous superior quadrantanopia progressed to ophthalmoplegia and complete visual loss of the left eye over a period of one year...
2017: Case Reports in Neurological Medicine
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