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https://www.readbyqxmd.com/read/27913855/what-can-the-microstructure-of-stones-tell-us
#1
REVIEW
James C Williams, Elaine Worcester, James E Lingeman
How stones are retained within the kidney while small in size is still not fully understood. In this paper, we show two examples of how stones are retained during early growth: one is growth on Randall's (interstitial) plaque, and the other is growth on mineral that has formed as a luminal plug in a terminal collecting duct. These two mechanisms of stone retention during early growth have distinctive morphologic features that can be seen by methods that show the microscopic structure of the stones. Stones growing on Randall's plaque display an apatite region that is typically not large in size (<0...
December 2, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27912220/use-of-a-fully-covered-metal-stent-to-treat-obstruction-of-the-minor-papilla-in-pancreas-divisum
#2
Alexander Hann, Benjamin M Walter, Alexander Meining
No abstract text is available yet for this article.
January 2016: Endoscopy
https://www.readbyqxmd.com/read/27907131/itraq-based-quantitative-proteomic-comparison-of-early-and-late-passage-human-dermal-papilla-cell-secretome-in-relation-to-inducing-hair-follicle-regeneration
#3
Huan Zhang, Ning-Xia Zhu, Keng Huang, Bo-Zhi Cai, Yang Zeng, Yan-Ming Xu, Yang Liu, Yan-Ping Yuan, Chang-Min Lin
Alopecia is an exceedingly prevalent problem that lacks effective therapy. Recently, research has focused on early-passage dermal papilla cells (DPCs), which have hair inducing activity both in vivo and in vitro. Our previous study indicated that factors secreted from early-passage DPCs contribute to hair follicle (HF) regeneration. To identify which factors are responsible for HF regeneration and why late-passage DPCs lose this potential, we collected 48-h-culture medium (CM) from both of passage 3 and 9 DPCs, and subcutaneously injected the DPC-CM into NU/NU mice...
2016: PloS One
https://www.readbyqxmd.com/read/27904022/morphology-of-the-lingual-papillae-in-the-eastern-grey-kangaroo
#4
Shoichi Emura
We examined the dorsal lingual surface of an adult eastern grey kangaroo (Macropus gigantues) by scanning electron microscopy. The filiform papillae on the lingual apex and anterior body consisted of a main papilla and secondary papillae. The connective tissue core of the filiform papillae on the lingual apex had several processes. The filiform papillae on the lingual posterior body were thread-like in shape. The connective tissue core of the filiform papillae on the lingual posterior body consisted of many slender processes...
2016: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/27904021/scanning-electron-microscopic-study-on-the-tongues-of-seven-avian-species
#5
Shoichi Emura
The dorsal lingual surface of the grey crowned crane (Balearica regulorum), American flamingo (Phoenicopterus rubber), great egret (Ardea alba), mallard (Anas platyrhynchos), Himalayan monal (Lophophorus impejanus), black-necked stilt (himantopus mexicanus) and green macaw (Ara militaris) were examined by scanning electron microscopy. In the grey crowned crane, the surface of the lingual apex was relatively rough. Many openings of the lingual glands in both lateral regions of the lingual body were observed...
2016: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/27903250/effectiveness-of-bovine-derived-xenograft-versus-bioactive-glass-with-periodontally-accelerated-osteogenic-orthodontics-in-adults-a-randomized-controlled-clinical-trial
#6
Maha A Bahammam
BACKGROUND: Periodontally accelerated osteogenic orthodontics (PAOO) combines periodontal therapy with orthodontic therapy, which minimises treatment time. This study compared the effectiveness of a bovine-derived xenograft with that of bioactive glass when combined with PAOO for the treatment of adult patients with moderate crowding of the teeth. METHODS: In this prospective, single-masked clinical trial, 33 orthodontic patients (20 women, 13 men; mean age 21.2 ± 1...
November 30, 2016: BMC Oral Health
https://www.readbyqxmd.com/read/27900407/do-inhibitors-of-crystallisation-play-any-role-in-the-prevention-of-kidney-stones-a-critique
#7
REVIEW
William G Robertson
A critical examination of data in the literature and in as yet unpublished laboratory records on the possible role of so-called inhibitors of crystallisation in preventing the formation of calcium-containing kidney stones leads to the following conclusions. So-called inhibitors of spontaneous "self-nucleation" are unlikely to play any role in the initiation of the crystallisation of CaOx or CaP in urine because excessive urinary supersaturation of urine with respect to these salts dominates the onset of "self-nucleation" within the normal time frame of the transit of tubular fluid through the nephron (3-4 min)...
November 29, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27898891/behavior-and-inflammation-of-the-rumen-and-cecum-in-holstein-bulls-fed-high-concentrate-diets-with-different-concentrate-presentation-forms-with-or-without-straw-supplementation
#8
M Devant, G B Penner, S Marti, B Quintana, F Fábregas, A Bach, A Arís
Twenty-four individually housed Holstein bulls (395 ± 7.3 kg BW and 252 ± 3.1 d age) were exposed to a 2 × 2 factorial design (meal vs. pellets; with vs. without straw) to evaluate the effect of concentrate form and provision of straw in finishing diets on behavior and expression of rumen and cecum epithelium genes related to inflammation and behavior. Concentrate and straw consumption were recorded monthly and behavior (self-grooming, social, oral nonnutritive, tongue rolling, eating, drinking, ruminating, and lying) was recorded every two weeks...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898875/relationships-of-feedlot-performance-feeding-behavior-rumen-morphometrics-and-carcass-characteristics-of-nellore-cattle-differing-in-phenotypic-residual-feed-intake
#9
M C S Pereira, G D Cruz, M D B Arrigoni, A L N Rigueiro, J Silva, T V B Carrara, P C S Santos, L L Cursino, D D Millen
The objective of this study was to examine the relationship of DMI fluctuation, feedlot performance, feeding behavior, rumen morphometrics, and carcass characteristics in Nellore cattle classified by residual feed intake (RFI). One experiment was conducted in 2 consecutive years using individual pens (1.0 × 7.0 m) at the São Paulo State University feedlot, Dracena campus, Brazil. The experiment in year 1 started in June of 2012 with forty-eight 20-mo-old Nellore yearling bulls with an initial BW of 358.2 ± 19...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27896212/effect-of-slow-forced-eruption-on-the-vertical-levels-of-the-interproximal-bone-and-papilla-and-the-width-of-the-alveolar-ridge
#10
Eun-Young Kwon, Ju-Youn Lee, Jeomil Choi
OBJECTIVE: Forced eruption has been proposed for the reconstruction of deficient bone and soft tissue. The aim of this study was to examine the changes in the alveolar ridge width and the vertical levels of the interproximal bone and papilla following forced eruption. METHODS: Patients whose hopeless maxillary anterior teeth were expected to undergo severe bone resorption and soft tissue recession upon extraction were recruited. In addition, patients whose maxillary anterior teeth required forced eruption for restoration due to tooth fracture or dental caries were included...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27893742/maintenance-of-taste-organs-is-strictly-dependent-on-epithelial-hedgehog-gli-signaling
#11
Alexandre N Ermilov, Archana Kumari, Libo Li, Ariell M Joiner, Marina A Grachtchouk, Benjamin L Allen, Andrzej A Dlugosz, Charlotte M Mistretta
For homeostasis, lingual taste papilla organs require regulation of epithelial cell survival and renewal, with sustained innervation and stromal interactions. To investigate a role for Hedgehog/GLI signaling in adult taste organs we used a panel of conditional mouse models to manipulate GLI activity within epithelial cells of the fungiform and circumvallate papillae. Hedgehog signaling suppression rapidly led to taste bud loss, papilla disruption, and decreased proliferation in domains of papilla epithelium that contribute to taste cells...
November 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27891319/hyaluronic-acid-hope-of-light-to-black-triangles
#12
Jyotsana Tanwar, Shital A Hungund
Interdental papilla construction, especially in the esthetic area, is one of the most challenging tasks. Interdental papilla loss might occur due to several reasons as a consequence of periodontal surgery or trauma. The purpose of this study is to report the reconstruction of lost interdental papilla using hyaluronic acid gel. Hyaluronic acid is a glycosaminoglycan molecule with anti-inflammatory, anti-edematous properties on periodontal tissues invaded by submicrobial flora. It enhances wound healing and accelerates periodontal repair and regeneration...
September 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27885043/aedes-aegypti-rhesus-glycoproteins-contribute-to-ammonia-excretion-by-larval-anal-papillae
#13
Andrea C Durant, Helen Chasiotis, Lidiya Misyura, Andrew Donini
In larval Aedes aegypti, transcripts of the Rhesus-like glycoproteins AeRh50-1 and AeRh50-2 have been detected in the anal papillae, sites of ammonia (NH3/NH4(+)) excretion; however, these putative ammonia transporters have not been previously localised or functionally characterized. In this study we show that the AeRh50s co-immunolocalise with apical V-type H(+) ATPase as well as with basal Na(+)/K(+) ATPase in the epithelium of anal papillae. The double-stranded RNA mediated knockdown of AeRh50-1 and AeRh50-2 resulted in a significant reduction in AeRh50 protein abundance in the anal papillae and this was coupled to decreased ammonia excretion...
November 24, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27876914/ultrastructural-studies-on-setaria-digitata-by-scaning-electron-microscopy
#14
Lingala Raju Kumar, Manchukonda Udaya Kumar
Ultrastructural details of adult male and female worms of Setaria species collected from the peritoneal cavities of bovines slaughtered in and around Hyderabad, Telangana, India were studied using scanning electron microscopy. The worms exhibited peribuccal crown with round mouth opening encircled by a pair of lateral appendages and slightly notched dorso and ventro projections at the anterior end where as bosses and fine cuticular striations were seen all over the body. Posterior end of female worm ended in a round knob with a pair of lateral appendages whereas three pairs of precloacal, a pair of adcloacal, three pairs of postcloacal papillae, a central papillae just in front of the cloaca, a single tongue shaped spicule emerging from the cloaca, and a phasmid in front of a pair of lateral appendages were seen at the posterior end of male worm...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27872182/an-ompr-envz-two-component-system-ortholog-regulates-phase-variation-osmotic-tolerance-motility-and-virulence-in-acinetobacter-baumannii-strain-ab5075
#15
Kyle A Tipton, Philip N Rather
: Recently, a novel phase-variable colony opacity phenotype was discovered in Acinetobacter baumannii strain AB5075, where colonies interconvert between opaque and translucent variants. Opaque colonies become mottled/sectored after 24 hours of growth due to translucent variants arising within the colony. This easily distinguishable opaque colony phenotype was used to screen for random transposon insertions that increased the frequency of sectoring at a time point when wild-type colonies were uniformly opaque...
November 21, 2016: Journal of Bacteriology
https://www.readbyqxmd.com/read/27869481/papillary-versus-non-papillary-puncture-in-percutaneous-nephrolithotomy-a-prospective-randomized-trial
#16
Panagiotis Kallidonis, Iason Kyriazis, Dimitrios Kotsiris, Adamantia Koutava, Wissam Kamal, Evangelos N Liatsikos
INTRODUCTION: Literature suggests that the percutaneous punctures for PCNL must be performed at the papilla of the renal calyx and a puncture at the infundibulum or the direction of the pelvis is not advisable due to increased hemorrhagic risk. A prospective randomized study was conducted to investigate the safety in terms of blood loss of the infundibular approach for PCNL. MATERIALS AND METHODS: Patients with renal stones with a accumulative size of at least 2cm were randomly assigned to one of two parallel groups to undergo PCNL with either papillary (Group 1) or infundibular (Group 2) renal access...
November 21, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27865512/the-effect-of-supplemental-concentrate-fed-during-the-dry-period-on-morphological-and-functional-aspects-of-rumen-adaptation-in-dairy-cattle-during-the-dry-period-and-early-lactation
#17
K Dieho, J Dijkstra, G Klop, J T Schonewille, A Bannink
Ten rumen-cannulated Holstein-Friesian cows were used to examine the effect of feeding supplemental concentrate during the dry period on rumen papillae morphology and fractional absorption rate (ka) of volatile fatty acids (VFA) during the dry period and subsequent lactation. Treatment consisted of supplemental concentrate [3.0 kg of dry matter (DM)/d] from 28 d antepartum (ap) until the day of calving, whereas control did not receive supplemental concentrate. Cows were fed for ad libitum intake and had free access to the dry period ration (27% grass silage, 28% corn silage, 35% wheat straw, and 11% soybean meal on a DM basis) and, from calving onward, to a basal lactation ration (42% grass silage, 42% corn silage, and 16% soybean meal on a DM basis)...
November 16, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27864641/an-open-prospective-single-cohort-multicenter-study-evaluating-the-novel-tapered-conical-connection-implants-supporting-single-crowns-in-the-anterior-and-premolar-maxilla-interim-1-year-results
#18
Alexander Fügl, Werner Zechner, Alessandro Pozzi, Guido Heydecke, Christine Mirzakhanian, Nikolaus Behneke, Alexandra Behneke, Russell A Baer, Robert Nölken, Edward Gottesman, Snjezana Colic
OBJECTIVES: The aim of this multicenter prospective clinical study was to evaluate anodized tapered implants with a conical connection and integrated platform shifting placed in the anterior and premolar maxilla. MATERIALS AND METHODS: The study enrolled patients requiring single-tooth restorations in healed sites of maxillary anterior and premolar teeth. All implants were immediately temporized. Clinical and radiographic evaluations were conducted at implant insertion, 6 months, and 1 year...
November 18, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27862964/morphological-and-molecular-analyses-of-an-anatomical-novelty-the-pelvic-fin-filaments-of-the-south-american-lungfish
#19
Sergio Q Lima, Carinne M Costa, Chris T Amemiya, Igor Schneider
The pelvic fins of male South American lungfish, Lepidosiren paradoxa, are adorned with a distinctive array of filaments, which grow and become highly vascularized during the breeding season. The resemblance between these pelvic fin filaments (PFFs) and external gills of other vertebrates suggested that this gill-like structure was used for physiological gas exchange. It has been proposed that the unique pelvic fin of male L. paradoxa is used for release of oxygen from its blood into the environment in order to aerate its nesting brood, or, conversely, as an auxiliary respiratory organ by absorbing oxygen from the environment into its bloodstream...
November 9, 2016: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/27862346/indications-for-endoscopic-ultrasonography-eus-guided-biliary-intervention-does-eus-always-come-after-failed-endoscopic-retrograde-cholangiopancreatography
#20
Yousuke Nakai, Hiroyuki Isayama, Natsuyo Yamamoto, Saburo Matsubara, Hirofumi Kogure, Suguru Mizuno, Tsuyoshi Hamada, Naminatsu Takahara, Rie Uchino, Dai Akiyama, Kaoru Takagi, Takeo Watanabe, Gyotane Umefune, Kazunaga Ishigaki, Minoru Tada, Kazuhiko Koike
BACKGROUND AND AIM: Endoscopic ultrasonography-guided biliary drainage (EUS-BD), first reported as an alternative to percutaneous transhepatic biliary drainage (PTBD) after failed endoscopic retrograde cholangiopancreatography (ERCP), is increasingly reported as a primary procedure without failed ERCP. The present study aims to evaluate the outcomes of therapeutic biliary ERCP and to compare the safety and effectiveness of primary EUS-BD with those of ERCP, rescue EUS-BD and PTBD. METHODS: We retrospectively studied therapeutic biliary ERCP as well as subsequent rescue PTBD and EUS-BD...
October 19, 2016: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
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