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Granulation

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https://www.readbyqxmd.com/read/28239624/p-body-and-stress-granule-quantification-in-caenorhabditis-elegans
#1
Matthias Rieckher, Nektarios Tavernarakis
Eukaryotic cells contain various types of cytoplasmic, non-membrane bound ribonucleoprotein (RNP) granules that consist of non-translating mRNAs and a versatile set of associated proteins. One prominent type of RNP granules are Processing bodies (P bodies), which majorly harbors translationally inactive mRNAs and an array of proteins mediating mRNA degradation, translational repression and cellular mRNA transport (Sheth and Parker, 2003). Another type of RNP granules, the stress granules (SGs), majorly contain mRNAs associated with translation initiation factors and are formed upon stress-induced translational stalling (Kedersha et al...
January 20, 2017: Bio-protocol
https://www.readbyqxmd.com/read/28239591/role-of-ct-mastoids-in-the-diagnosis-and-surgical-management-of-chronic-inflammatory-ear-diseases
#2
Juveria Majeed, L Sudarshan Reddy
Chronic Suppurative Otitis Media (CSOM) is a chronic inflammation of middle ear cleft. It presents with discharging ear and decreased hearing. The diagnosis is mostly on clinical examination with otoscope or oto endoscope. Computerised Tomography (CT) of mastoids is done to evaluate the extent of the disease and its complication. High resolution CT is now the investigation of choice for temporal bone disease. This study emphasizes on the importance of CT scan in diagnosis of inflammatory ear diseases and most importantly identifying pitfalls or complications which a surgeon can come across during surgery...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28239574/do-nasal-surgeries-affect-mucociliary-clearance
#3
Rajeshwary Aroor, Zainab Sunu Ali, K S Gangadhara Somayaji
The study was conducted to assess the impact of different nasal surgeries on the nasal mucociliary clearance mechanism. Mucociliary function of the nasal mucosa of patients who were undergoing various nasal surgeries was assessed by the Saccharin test by placing 5 mg saccharin granule on the anterior end of the inferior turbinate 1 day prior to the surgery. The time required for the test subject to experience a sweet taste was measured in minutes. Post-operatively the test was repeated 6 weeks after the surgery and the test times were compared...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28239052/an-atypical-case-of-recurrent-carotid-body-carcinoma-in-a-young-adult-dog-histopathological-immunohistochemical-and-electron-microscopic-study
#4
Angeline Ping Ping Teh, Watanyoo Pratakpiriya, Yuichi Hidaka, Hiroyuki Sato, Takuya Hirai, Ryoji Yamaguchi
A 3.5-year-old female Chihuahua was presented with complaint of neck pain, intermittent cough and dysphagia. Physical examination and diagnostic imaging of neck region revealed a solid and highly vascularized mass involving the retropharyngeal region. Histologically, the mass showed an atypical zellballen pattern which comprised of high density of type I chief cells with high nuclear cytoplasmic ratio and separated by delicate fibrovascular stroma. Immunoreactivity for neuroendocrine markers was diffusely positive in cytoplasm of tumor cells...
February 27, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28238783/visualization-of-glucagon-secretion-from-pancreatic-%C3%AE-cells-by-bioluminescence-video-microscopy-identification-of-secretion-sites-in-the-intercellular-contact-regions
#5
Satoru Yokawa, Takahiro Suzuki, Satoshi Inouye, Yoshikazu Inoh, Ryo Suzuki, Takao Kanamori, Tadahide Furuno, Naohide Hirashima
We have firstly visualized glucagon secretion using a method of video-rate bioluminescence imaging. The fusion protein of proglucagon and Gaussia luciferase (PGCG-GLase) was used as a reporter to detect glucagon secretion and was efficiently expressed in mouse pancreatic α cells (αTC1.6) using a preferred human codon-optimized gene. In the culture medium of the cells expressing PGCG-GLase, luminescence activity determined with a luminometer was increased with low glucose stimulation and KCl-induced depolarization, as observed for glucagon secretion...
February 23, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28238089/comparative-morphology-of-the-odoriferous-system-in-three-predatory-stink-bugs-heteroptera-asopinae
#6
Luis Carlos Martínez, Angelica Plata-Rueda, José Cola Zanuncio, Wagner de Souza Tavares, José Eduardo Serrão
The metathoracic scent system in Heteroptera produces and releases defensive volatile compounds. The odor produced by predatory stink bugs differs from phytophagous bugs, suggesting a variation between the structure and function of the metathoracic scent system. The anatomy and ultrastructure of the external thoracic efferent system, scent gland, and reservoir in the stink bug predators Brontocoris tabidus, Podisus nigrispinus, and Supputius cincticeps (Heteroptera: Pentatomidae: Asopinae) were studied. External thoracic efferent systems of B...
February 25, 2017: Protoplasma
https://www.readbyqxmd.com/read/28236711/mechanisms-of-hydrogen-sulfide-removal-by-ground-granulated-blast-furnace-slag-amended-soil
#7
Mengyao Xie, Anthony Kwan Leung, Charles Wang Wai Ng
Ground granulated blast furnace slag (GGBS) amended soil has been found able to remove gaseous hydrogen sulfide (H2S). However, how H2S is removed by GGBS amended soil and why GGBS amended soil can be regenerated to remove H2S are not fully understood. In this study, laboratory column tests together with chemical analysis were conducted to investigate and reveal the mechanisms of H2S removal process in GGBS amended soil. Sulfur products formed on the surface of soil particle and in pore water were quantified...
February 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28236269/the-development-of-self-nanoemulsifying-liquisolid-tablets-to-improve-the-dissolution-of-simvastatin
#8
Shaimaa Elkadi, Samar Elsamaligy, Saleh Al-Suwayeh, Hanaa Mahmoud
The aim of this work was to develop self-nanoemulsifying liquisolid tablets (SNELT) to enhance the dissolution profile of poorly water-soluble simvastatin. SNELT present a unique technique of incorporating self-nanoemulsifying drug delivery systems (SNEDDS) into tablets. Optimized SNEDDS containing different oils, Cremophor(®) RH 40 (surfactant) and Transcutol(®) HP (co-surfactant), at different ratios, were used as liquid vehicles and loaded on carrier material, microcrystalline cellulose (MCC), and coating material, Cab-o-sil(®) H-5 (nanosize colloidal silicon dioxide) powders at different loading factors (L f ) and fixed excipient ratio (R = 20)...
February 24, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28236228/characterising-drug-release-from-immediate-release-formulations-of-a-poorly-soluble-compound-basmisanil-through-absorption-modelling-and-dissolution-testing
#9
Cordula Stillhart, Neil J Parrott, Marc Lindenberg, Pascal Chalus, Darren Bentley, Anikó Szepes
The study aimed to characterise the mechanism of release and absorption of Basmisanil, a biopharmaceutics classification system (BCS) class 2 compound, from immediate-release formulations via mechanistic absorption modelling, dissolution testing, and Raman imaging. An oral absorption model was developed in GastroPlus® and verified with single-dose pharmacokinetic data in humans. The properties and drug release behaviour of different oral Basmisanil formulations were characterised via biorelevant dissolution and Raman imaging studies...
February 24, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28236192/augmenting-lagoon-process-using-reactivated-freeze-dried-biogranules
#10
Roya Pishgar, Rania Ahmed Hamza, Joo Hwa Tay
This study investigated the feasibility of using freeze-dried biogranules in lagoon basins. The effect of different operational conditions on treatment performance and detention time of granule-based lagoons was examined in a series of laboratory-scale batch studies. Optimal granule dosage was 0.1 g/L under anaerobic condition, resulting in 80-94% removal of 1000 mg/L chemical oxygen demand (COD) in 7-10 days. Under aerobic condition, granule dosage of 0.2 g/L achieved the best result for identical COD concentration...
February 24, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28235661/hollow-fiber-membrane-bioreactor-affects-microbial-community-and-morphology-of-the-damo-and-anammox-co-culture-system
#11
Liang Fu, Jing Ding, Yong-Ze Lu, Zhao-Wei Ding, Ya-Nan Bai, Raymond J Zeng
Denitrifying anaerobic methane oxidation (DAMO) and Anammox co-culture system was investigated in hollow fiber membrane bioreactor (HfMBR) for the change of microbial community morphology and proportion. NO3(-)-N and NH4(+)-N removal rates reached 85.33 and 37.95mg/L/d on 193d. The inoculum microorganisms were flocs and the proportion of DAMO archaea, DAMO bacteria and Anammox bacteria was 11.0, 24.2 and 0.4%, respectively, but it changed to 74.3, 11.8, 5.6% in HfMBR, respectively. Interestingly, microorganisms formed biofilms on fibers surface and the biofilms included two layers: inner layer was thin and dominated by DAMO bacteria and Anammox bacteria; while the outer layer was thick made up of granules with 100-200μm diameter and dominated by DAMO archaea...
February 14, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28235580/parotoid-radial-and-tibial-macroglands-of-the-frog-odontophrynus-cultripes-differences-and-similarities-with-toads
#12
Pedro L Mailho-Fontana, Marta Maria Antoniazzi, Isabela Rodrigues, Juliana M Sciani, Daniel Carvalho Pimenta, Edmund D Brodie, Miguel Trefaut Rodrigues, Carlos Jared
Anuran integument is characterized by the presence of glands, some of which are responsible for toxin production. In some species these glands accumulate in parts of the body strategically located against predators, forming structures known as macroglands. This is the case for parotoid macroglands, on the dorsum of the head, tibial macroglands, on the rear limbs, and radial macroglands, on the forelimbs of toads and some other anurans. The toad Rhinella jimi, for example, simultaneously displays all three types of macroglands, which is unusual even among bufonids...
February 21, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28235467/identification-and-characterization-of-a-novel-starch-branching-enzyme-from-the-picoalgae-ostreococcus-tauri
#13
Nicolas Hedin, Julieta Barchiesi, Diego F Gomez-Casati, Alberto A Iglesias, Miguel A Ballicora, María V Busi
Starch branching enzyme is a highly conserved protein from plants to algae. This enzyme participates in starch granule assembly by the addition of α-1,6-glucan branches to the α-1,4-polyglucans. This modification determines the structure of amylopectin thus arranging the final composition of the starch granule. Herein, we describe the function of the Ot01g03030 gene from the picoalgae Ostreococcus tauri. Although in silico analysis suggested that this gene codes for a starch debranching enzyme, our biochemical studies support that this gene encodes a branching enzyme (BE)...
February 21, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28235423/spatiotemporal-progression-of-ubiquitin-proteasome-system-inhibition-after-status-epilepticus-suggests-protective-adaptation-against-hippocampal-injury
#14
Tobias Engel, Jaime Martinez-Villarreal, Christine Henke, Eva M Jimenez-Mateos, Amaya Sanz-Rodriguez, Mariana Alves, Yasmina Hernandez-Santana, Gary P Brennan, Aidan Kenny, Aoife Campbell, Jose J Lucas, David C Henshall
BACKGROUND: The ubiquitin-proteasome-system (UPS) is the major intracellular pathway leading to the degradation of unwanted and/or misfolded soluble proteins. This includes proteins regulating cellular survival, synaptic plasticity and neurotransmitter signaling; processes controlling excitability thresholds that are altered by epileptogenic insults. Dysfunction of the UPS has been reported to occur in a brain region- and cell-specific manner and contribute to disease progression in acute and chronic brain diseases...
February 24, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28231568/fiber-connections-of-the-caudal-corpus-cerebelli-with-special-reference-to-the-intrinsic-circuitry-in-a-teleost-oreochromis-niloticus
#15
Kosuke Imura, Naoyuki Yamamoto, Masami Yoshimoto, Masato Endo, Kengo Funakoshi, Hironobu Ito
The caudal part of the corpus cerebelli of Nile tilapia can be divided into dorsal and ventral regions. The granule cell layer of the dorsal (dGL) and ventral (vGL) regions of the caudal corpus cerebelli is known to receive indirect inputs from the telencephalon relayed by the nucleus paracommissuralis. The descending pathways are topographically organized, and the dGL and vGL receive inputs from different dorsal telencephalic parts. The caudal corpus cerebelli, in turn, projects extracerebellar efferents. However, it remains unknown how the descending telencephalic inputs are processed within the cerebellum...
February 24, 2017: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/28231279/lysine-acetyltransferase-nua4-and-acetyl-coa-regulate-glucose-deprived-stress-granule-formation-in-saccharomyces-cerevisiae
#16
Meaghen Rollins, Sylvain Huard, Alan Morettin, Jennifer Takuski, Trang Thuy Pham, Morgan D Fullerton, Jocelyn Côté, Kristin Baetz
Eukaryotic cells form stress granules under a variety of stresses, however the signaling pathways regulating their formation remain largely unknown. We have determined that the Saccharomyces cerevisiae lysine acetyltransferase complex NuA4 is required for stress granule formation upon glucose deprivation but not heat stress. Further, the Tip60 complex, the human homolog of the NuA4 complex, is required for stress granule formation in cancer cell lines. Surprisingly, the impact of NuA4 on glucose-deprived stress granule formation is partially mediated through regulation of acetyl-CoA levels, which are elevated in NuA4 mutants...
February 23, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28231145/recent-advances-in-techniques-for-starch-esters-and-the-applications-a-review
#17
REVIEW
Jing Hong, Xin-An Zeng, Charles S Brennan, Margaret Brennan, Zhong Han
Esterification is one of the most important methods to alter the structure of starch granules and improve its applications. Conventionally, starch esters are prepared by conventional or dual modification techniques, which have the disadvantages of being expensive, have regent overdoses, and are time-consuming. In addition, the degree of substitution (DS) is often considered as the primary factor in view of its contribution to estimate substituted groups of starch esters. In order to improve the detection accuracy and production efficiency, different detection techniques, including titration, nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FT-IR), thermal gravimetric analysis/infrared spectroscopy (TGA/IR) and headspace gas chromatography (HS-GC), have been developed for DS...
July 9, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28231119/distinct-characteristics-of-rye-and-wheat-breads-impact-on-their-in-vitro-gastric-disintegration-and-in-vivo-glucose-and-insulin-responses
#18
Emilia Nordlund, Kati Katina, Hannu Mykkänen, Kaisa Poutanen
Disintegration of rye and wheat breads during in vitro gastric digestion and its relation to the postprandial glucose and insulin responses of the breads was studied. Breads with distinct composition and texture characteristics were prepared with refined or wholegrain wheat and rye flour by using either straight dough or sourdough process. After chewing and gastric digestion in vitro, 100% wholemeal and refined rye breads prepared by sourdough method were disintegrated to a much lower extent than the wheat breads, having more bread digesta particles with size over 2 or 3 mm...
March 25, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230780/a3r-phage-and-staphylococcus-aureus-lysate-do-not-induce-neutrophil-degranulation
#19
Jan Borysowski, Ryszard Międzybrodzki, Piotr Wierzbicki, Danuta Kłosowska, Grażyna Korczak-Kowalska, Beata Weber-Dąbrowska, Andrzej Górski
The objective of this study was to evaluate the effects of A3R phage and Staphylococcus aureus lysate obtained after phage infection on neutrophil degranulation. The exocytosis of primary and secondary granules from neutrophils was investigated in vitro in whole blood specimens by flow cytometry based on the expression of specific markers of exocytosis (CD63 for primary granules and CD66b for secondary granules). We found that both A3R and S. aureus lysate had no significant effect on the exocytosis of primary and secondary granules...
February 21, 2017: Viruses
https://www.readbyqxmd.com/read/28230648/cultured-human-epidermis-combined-with-meshed-skin-autografts-accelerates-epithelialization-and-granulation-tissue-formation-in-a-rat-model
#20
Michiharu Sakamoto, Naoki Morimoto, Masukazu Inoie, Miki Takahagi, Shuichi Ogino, Chizuru Jinno, Shigehiko Suzuki
INTRODUCTION: As the take rate of cultured epidermal autografts in burn wound treatment is variable, widely expanded meshed auto skin grafts are often used in combination with cultured epidermal autograft to increase the take rate and achieve definitive wound coverage. However, a long time (3-4 weeks) required to prepare a cultured epidermis sheet is a disadvantage. Allogeneic cultured epidermis can be prepared in advance and cryopreserved to be used in combination with auto meshed skin grafts for treating third-degree burns...
February 23, 2017: Annals of Plastic Surgery
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