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In this study, relationship between translucent property of yeast cell wall and occurrence of cyanobacteria inside the yeast vacuole was examined. Microscopic observations on fruit yeast Candida tropicalis showed occurrence of bacterium-like bodies inside the yeast vacuole. Appearance of vacuoles as distinct cavities indicated the perfect harvesting of light by the yeast's cell wall. Transmission electron microscopy observation showed electron-dense outer and electron-lucent inner layers in yeast cell wall. Cyanobacteria-specific 16S rRNA gene was amplified from total DNA of yeast. Cultivation of yeast in distilled water led to excision of intracellular bacteria which grew on cyanobacteria-specific medium. Examination of wet mount and Gram-stained preparations of excised bacteria showed typical bead-like trichomes. Amplification of cyanobacteria-specific genes, 16S rRNA, cnfR and dxcf, confirmed bacterial identity as Leptolyngbya boryana. These results showed that translucent cell wall of yeast has been engineered through evolution for receiving light for vital activities of cyanobacteria.A simple and sensitive C18 packed ballpoint-electrospray ionization (PBP-ESI) technique was developed for biofluid analysis. In this technique, the configuration of a commercial ballpoint consisting of a hollow chamber, an intermediate socket, and a metal ball was fully exploited. https://www.selleckchem.com/ The rear-end hollow chamber was used for loading C18 adsorbent and sample, and the front metal ball served as a spray emitter for online ionization. The good electrical conductivity of the metal body allowed high voltage to be conveniently applied to the ballpoint without inserting the electrode into the solution for electrical connection. Urine sample was directly analyzed with the C18 packed ballpoint; plasma and whole blood samples were premixed with C18 adsorbent before being packed into the ballpoint for detection. As a result of the sample cleanup by C18 adsorbent, the salt matrix in the urine sample as well as the phospholipid and protein matrices in plasma and whole blood samples was significantly reduced. The lower limits of quantitation (LLOQs) for urine, plasma, and whole blood samples reached the subnanogram-per-milliliter level. Graphical abstract.Lower extremity arterial disease (LEAD) is a frequent manifestation of atherosclerosis with a high risk for cardiovascular events. The measurement of the ankle-brachial index (ABI) should be used as a screening method for LEAD. A differentiation is made between a stable stage of intermittent claudication and the stage of critical limb ischemia. The control of cardiovascular risk factors is crucial. Particular emphasis should be placed on smoking cessation and lipid-lowering treatment with statins and a target low-density lipoprotein (LDL)-cholesterol level of less then 55 mg/dl as a core element. In patients with symptomatic LEAD an inhibition of platelet aggregation is indicated. In addition to treatment with clopidogrel 75 mg or with acetylsalicylic acid (ASS) 100 mg in high risk patients the combination of ASS 100 mg and rivaroxaban 2 × 2.5 mg can be indicated. In critical limb ischemia revascularization (percutaneous intervention, operation) is always indicated to prevent amputation. First-line treatment in patients with intermittent claudication is exercise training. Revascularization can be indicated in patients with a severe limitation of walking distance.CONTEXT Discriminating adipose and glandular tissue is challenging when clinically assessing breast development. Ultrasound facilitates staging of pubertal breast maturation (US B), but has not been systematically compared to Tanner breast staging (B), and no normative data have been reported. OBJECTIVE To present normative references for US B along with references for Tanner B, pubic hair (PH) and menarche. DESIGN, SETTING AND PARTICIPANTS A cross-sectional sample of 703 healthy girls aged 6 to 16 years were examined. MAIN OUTCOME MEASURES Breast development was determined with US B and Tanner B staging. Tanner PH and menarcheal status were recorded. The age distributions of entry in US B, Tanner B and PH stages, and menarche were estimated with generalized linear and generalized additive models with a probit link. Method agreement was tested with weighted Cohen's kappa. RESULTS The median (±2SD) ages for thelarche, US B2 and Tanner B2, were 10.2 (7.7, 12.8) and 10.4 (8.0, 12.7) years. The median (±2SD) ages at Tanner PH2 and menarche were 10.9 (8.5, 13.3) and 12.7 (11.0, 16.2) years. Cohen's kappa of agreement (95%CI) between US B and Tanner B was 0.87 (0.85, 0.88). When the methods disagreed, US B was usually more advanced. CONCLUSION Thelarche occurred at a slightly younger age when assessed with ultrasound compared to clinical Tanner staging, although the two methods had a very good agreement when determining pubertal breast maturation. A significant decrease of 2.8 months in age at menarche was observed during the past decade in Norwegian girls. © Endocrine Society 2020. All rights reserved. For permissions, please e-mail journals.permissions@oup.com.The Gene Expression Database (GXD), an extensive community resource of curated expression information for the mouse, has developed an RNA-Seq and Microarray Experiment Search (http//www.informatics.jax.org/gxd/htexp_index). This tool allows users to quickly and reliably find specific experiments in ArrayExpress and the Gene Expression Omnibus (GEO) that study endogenous gene expression in wild-type and mutant mice. Standardized metadata annotations, curated by GXD, allow users to specify the anatomical structure, developmental stage, mutated gene, strain and sex of samples of interest, as well as the study type and key parameters of the experiment. These searches, powered by controlled vocabularies and ontologies, can be combined with free text searching of experiment titles and descriptions. Search result summaries include link-outs to ArrayExpress and GEO, providing easy access to the expression data itself. Links to the PubMed entries for accompanying publications are also included. More information about this tool and GXD can be found at the GXD home page (http//www.
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