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https://www.readbyqxmd.com/read/28735299/identification-of-the-first-dominant-mutation-of-lama5-gene-causing-a-complex-multisystem-syndrome-due-to-dysfunction-of-the-extracellular-matrix
#1
Simone Sampaolo, Filomena Napolitano, Alfonsina Tirozzi, Mafalda Giovanna Reccia, Luca Lombardi, Olimpia Farina, Adriano Barra, Ferdinando Cirillo, Mariarosa Anna Beatrice Melone, Fernando Gianfrancesco, Giuseppe Di Iorio, Teresa Esposito
BACKGROUND: The laminin alpha 5 gene (LAMA5) plays a master role in the maintenance and function of the extracellular matrix (ECM) in mammalian tissues, which is critical in developmental patterning, stem cell niches, cancer and genetic diseases. Its mutations have never been reported in human disease so far. The aim of this study was to associate the first mutation in LAMA5 gene to a novel multisystem syndrome. METHODS: A detailed characterisation of a three-generation family, including clinical, biochemical, instrumental and morphological analysis, together with genetics and expression (WES and RNAseq) studies, was performed...
July 22, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28733783/perianth-organs-in-nymphaeaceae-comparative-study-on-epidermal-and-structural-characters
#2
Lucía Melisa Zini, Beatriz Gloria Galati, María Silvia Ferrucci
The perianth organs of six species of Nymphaeaceae, representing Euryale, Nymphaea and Victoria, were studied on the basis of macroscopical, micromorphological, and anatomical characters. The aims were to determine whether perianth is differentiated among tepal whorls considering the presence of sepaloid and petaloid characters, and to evaluate the occurrence of both features in individual tepals. Selected perianth series were examined macroscopically, with light microscopy, and scanning electron microscopy...
July 21, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28729703/the-basal-free-fatty-acid-concentration-in-human-saliva-is-related-to-salivary-lipolytic-activity
#3
Eric Neyraud, Stéphanie Cabaret, Hélène Brignot, Claire Chabanet, Hélène Labouré, Elisabeth Guichard, Olivier Berdeaux
Fat perception during eating is a complex sensation that involves various sensory modalities, such as texture, aroma and taste. Taste is supported by the discovery of fatty acid receptors in the tongue papillae. Dietary fat is mainly composed of esterified fatty acids, whereas only free fatty acids can bind to taste receptors. Some authors have mentioned the necessity and efficiency of salivary lipolytic activity to hydrolyse the esterified fatty acids present in foods and enable fat perception. Our hypothesis is that salivary lipolytic activity is also involved in regulating the basal level of salivary fatty acids in humans...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728406/early-weaning-of-calves-after-different-dietary-regimens-affects-later-rumen-development-growth-and-carcass-traits-in-hanwoo-cattle
#4
Kondreddy Eswar Reddy, JinYoung Jeong, Youl-Chang Baek, Young Kyun Oh, Minseok Kim, Kyung Min So, Min Ji Kim, Dong Woon Kim, Sung Kwon Park, Hyun-Jeong Lee
Objective: The main objective of this study was to determine the effect of different diets for early-weaned (EW) calves on rumen development, and how this affects fat deposition in the longissimus dorsi of adult Korean Hanwoo beef cattle. Methods: Three EW groups were established (each n = 12) in which two- week-old Hanwoo calves were fed for ten weeks with milk replacer + concentrate (T1), milk replacer + concentrate + roughage (T2), or milk replacer + concentrate + 30% starch (T3); a control group (n = 12) was weaned as normal...
July 6, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28727466/ceramic-veneers-with-gingiva-shaded-porcelain-to-replace-lost-interdental-papillae-a-case-report
#5
Stephen J Chu, Adam J Mieleszko
With implant-supported reconstructions, gingiva-shaded pink-colored restorative materials serve as an option for replacing both hard and soft tissues cosmetically. This article presents a case report describing restorative treatment for a patient who requested individual crowns and veneers after she had had multiple surgical interventions to replace a failing implant tooth No. 9. In addition to replacement of the implant prosthesis, this case involved restorative papillae reconstruction that was performed to treat interdental recession that had occurred after the surgeries...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727461/risk-indicators-and-prevention-of-implant-soft-tissue-complications-interproximal-papillae-loss-and-midfacial-implant-mucosal-recessions
#6
James Mailoa, Richard J Miron, Hom-Lay Wang
Achieving a long-term esthetic implant restoration in the maxillary anterior area is sometimes unpredictable. This article reviews several risk indicators of implant mucosal recession and loss of interproximal papillae, and how to prevent these risks. Results obtained from the literature suggest that the following factors are strongly related to implant soft-tissue complications: buccally positioned implant placement, a thin gingival biotype, lack of an adequate amount of keratinized mucosa, implant placement after ridge augmentation procedures, an increased distance of tooth bone peak to the contact point, and an inadequate horizontal implant-tooth distance...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727170/entire-papilla-preservation-technique-in-the-regenerative-treatment-of-deep-intrabony-defects-1-year-results
#7
Serhat Aslan, Nurcan Buduneli, Pierpaolo Cortellini
AIM: This study evaluates the clinical performance of a novel tunnel-like surgical technique in the treatment of isolated deep intrabony defects. MATERIAL AND METHODS: Twelve patients presenting with at least one isolated deep intrabony defect received regenerative periodontal treatment with "entire papilla preservation" technique. Access to the intrabony defect for debridement was provided by a bevelled vertical releasing incision positioned in the buccal gingiva of the neighbouring interdental space...
July 20, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28727010/effect-of-experimentally-increased-protein-supply-to-postpartum-dairy-cows-on-plasma-protein-synthesis-rumen-tissue-proliferation-and-immune-homeostasis
#8
M Larsen, C M Røntved, P K Theil, M Khatun, C Lauridsen, N B Kristensen
The effect of experimentally increasing the postpartum protein supply on plasma protein synthesis, rumen tissue proliferation, and immune homeostasis was studied using 8 periparturient Holstein cows in a complete randomized design. At calving, cows were assigned to abomasal infusion of water (CTRL) or casein (CAS) in addition to a lactation diet. Casein infusion was gradually decreased from 696 ± 1 g/d at +2 d relative to calving (DRTC) to 212 ± 10 g/d at +29 DRTC to avoid excessive supply. Synthesis rate of plasma proteins was measured at -14, +4, +15, and +29 DRTC by measuring [C]Phe isotopic enrichment in arterial plasma free Phe, total plasma proteins, and albumin after 3, 5, and 7 h of jugular ring[C]Phe infusion...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726319/ultrastructure-of-lingual-papillae-in-common-chimpanzee-pan-troglodytes-foetus-newborn-and-adult-specimens
#9
J F Pastor, M Barbosa, F J De Paz, I San José, M Levanti, J M Potau, J A Vega, R Cabo
Among primates, the two recognized species of chimpanzees (common chimpanzee, Pan troglodytes; pygmy chimpanzee, Pan paniscus) are considered to be the most similar to humans. Importantly, in mammals, the food intake behaviour largely determines the tongue morphology, including the type, proportion and distribution of gustatory and non-gustatory tongue papillae. The lingual papillae form during its development and mature in post-natal life depending on the different feeding. In this study, we have used scanning electron microscopy to analyse the age-related changes in the lingual papillae of foetal, newborn and adult P...
July 20, 2017: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/28725654/stem-cells-from-human-hair-follicles-first-mechanical-isolation-for-immediate-autologous-clinical-use-in-androgenetic-alopecia-and-hair-loss
#10
Pietro Gentile, Maria G Scioli, Alessandra Bielli, Augusto Orlandi, Valerio Cervelli
BACKGROUND: Hair follicles are known to contain a well-characterized niche for adult stem cells: the bulge, which contains epithelial and melanocytic stem cells. Stem cells in the hair bulge, a clearly demarcated structure within the lower permanent portion of hair follicles, can generate the interfollicular epidermis, hair follicle structures, and sebaceous glands. The bulge epithelial stem cells can also reconstitute in an artificial in vivo system to a new hair follicle. METHODS: In this study, we have developed a new method to isolate human adult stem cells by mechanical centrifugation of punch biopsy from human hair follicles without culture condition...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28722284/the-effectiveness-of-a-novel-highly-flexible-tip-guidewire-on-selective-biliary-cannulation-compared-to-conventional-guidewire-a-randomized-controlled-study
#11
Jin-Seok Park, Seok Jeong, Don Haeng Lee
BACKGROUND/AIM: Endoscopic access to the common bile duct remains difficult in 10% of cases undergoing endoscopic retrograde cholangiopancreaticography (ERCP). In the current study, we evaluated the effectiveness of a stiff-shaft and flexible-tip guidewire (Visiglide2(®) ) for selective biliary access. METHODS: We conducted a prospective, randomized controlled study involving patients with a naïve papilla who required biliary cannulation in a single center. We randomly allocated the patients to the Visiglide 2 group (Group V) or conventional guidewire group (Group C)...
July 19, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28719978/optimizing-rna-extraction-of-renal-papilla-biopsy-tissue-in-kidney-stone-formers-a-new-methodology-for-genomic-study
#12
Kazumi Taguchi, Manint Usawachintachit, Shuzo Hamamoto, Rei Unno, David T Tzou, Benjamin Sherer, Yongmei Wang, Atsushi Okada, Marshall Stoller, Takahiro Yasui, Thomas Chi
INTRODUCTION: Endoscopic tools have provided versatile examination and treatment for kidney stone procedures. Despite endourologists researching urinary stone disease using endoscopes to collect tissue, this tissue collection method is limited. Endoscopically removed tissues are small in size, restricting the types of genome-based examination possible. We investigated a new method of renal papilla biopsy and RNA extraction to establish a genomic research methodology for kidney stone disease...
July 18, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28719961/artyfechinostomum-malayanum-metacercariae-encysted-in-pila-sp-snails-purchased-from-phnom-penh-cambodia
#13
Woon-Mok Sohn, Tai-Soon Yong, Keeseon S Eom, Muth Sinuon, Hoo-Gn Jeoung, Jong-Yil Chai
The metacercariae of Artyfechinostomum malayanum (Leiper, 1911) Mendheim, 1943 were discovered in Pila sp. snails purchased from a market in Phnom Penh, Cambodia. They were isolated from the snails using the artificial digestion technique and were orally fed to 2 hamsters, 1 rat, and 2 mice to obtain the adult flukes. The metacercariae were round, 145-165 μm in diameter, having a cyst wall of 6-10 μm in thickness, a head collar and collar spines, and characteristic features of excretory granules. Adult flukes were recovered in the small intestines of the animals at days 14 and 32 post infection and were morphologically observed using a light microscope and a scanning electron microscope...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28717790/soft-and-hard-tissue-response-%C3%A2-to-an-implant-with-a-convergent-%C3%A2-collar-in-the-esthetic-area-%C3%A2-preliminary-report-at-18-months
#14
Luigi Canullo, Marco Tallarico, Guillermo Pradies, Fabio Marinotti, Ignazio Loi, Roberto Cocchetto
AIM: The purpose of this prospective cohort study was to investigate, over an 18-month period, soft and hard tissue response to a transmucosal implant with a convergent collar inserted in the anterior maxillary esthetic area. MATERIALS AND METHODS: From June 2013 to January 2014, 14 consecutive patients were enrolled (7 men and 7 women; mean age 63.7 ± 14 years) with 20 implants, needing at least one implant-supported restoration between the canines in the maxillary anterior esthetic area...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28713105/evaluation-of-the-current-techniques-and-introduction-of-a-novel-approach-for-estimating-maxillary-anterior-teeth-dimensions
#15
Mohammed E Sayed, Amit Porwal, Nida A Al-Faraj, Amal M Bajonaid, Hassan A Sumayli
INTRODUCTION: Several techniques and methods have been proposed to estimate the anterior teeth dimensions in edentulous patients. However, this procedure remains challenging especially when preextraction records are not available. Therefore, the purpose of this study is to evaluate some of the existing extraoral and intraoral methods for estimation of anterior tooth dimensions and to propose a novel method for estimation of central incisor width (CIW) and length (CIL) for Saudi population...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28711498/promotion-of-hair-growth-by-newly-synthesized-ceramide-mimetic-compound
#16
Bu-Mahn Park, Soon-Sun Bak, Kyung-Oh Shin, Minhee Kim, Daehwan Kim, Sang-Hun Jung, Sekyoo Jeong, Young Kwan Sung, Hyunjong Kim
Based on the crucial roles of ceramides in skin barrier function, use of ceramides or their structural mimetic compounds, pseudoceramides, as cosmetic ingredients are getting more popular. While currently used pseudoceramides are intended to substitute the structural roles of ceramides in stratum corneum, development of bioactive pseudoceramides has been repeatedly reported. In this study, based on the potential involvement of sphingolipids in hair cycle regulation, we investigated the effects of newly synthesized pseudoceramide, bis-oleamido isopropyl alcohol (BOI), on hair growth using cultured human hair follicles and animal models...
July 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28708969/a-case-of-early-pneumoparotid-presenting-with-oral-noises
#17
Hiroshi Yamazaki, Rena Kojima, Yasuhiro Nakanishi, Akihiro Kaneko
A 53-year-old man presented with the chief complaint of oral noises. No lesion could be observed in the oral cavity. Ultrasound detected several high-echogenicity areas inside the bilateral parotid ducts, and the initial stage of pneumoparotid was diagnosed. It was considered that air had entered each duct in retrograde fashion through the parotid papilla because of repeated compression of the bilateral parotid glands by the patient who had the habit of compressing the buccal region. This case suggests that ultrasound is effective for diagnosing the initial stage of pneumoparotid...
June 12, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28708924/bone-and-soft-tissue-response-in-bone-level-implants-restored-with-platform-switching-a-5-year-clinical-prospective-study
#18
Laura Lago, Luis da Silva, Francisco Gude, Benito Rilo
PURPOSE: The aim of this prospective study was to evaluate radiographic levels of peri-implant bone crest as well as soft tissue response, papilla height, and buccal mucosa recession, in bone-level implants restored with platform switching after 1-year and 5-year follow-ups. MATERIALS AND METHODS: This prospective study called for the placement of 59 implants to obtain a target of 90% power. To compensate for possible dropouts, the sample size was adjusted to 67 implants...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28708295/cd13-is-a-marker-for-onychofibroblasts-within-nail-matrix-onychodermis-comparison-of-its-expression-patterns-in-the-nail-unit-and-in-the-hair-follicle
#19
Ji-Hye Park, Dong-Youn Lee, Kee-Taek Jang, Sang-Yun Ha, Ghee Young Kwon, Kyung-Hoon Lee, Jong Sup Shim, Eun Ji Kwon
BACKGROUND: We previously demonstrated the presence of onychodermis, a specialized mesenchymal cell population beneath the the nail matrix and proximal nail bed demonstrating CD10 expression. We hypothesize that the onychodermis could be the nail analog of the follicular dermal papilla, which is known to express CD13. We compare CD13 expression patterns between specialized mesenchymes of nail and hair, and compare these findings with CD10 expression patterns. METHODS: CD10 and CD13 immunohistochemisty was performed on polydactyly and adult cadaveric nail units, and on hair follicles in scalp nevus sebaceus excision specimens...
July 14, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28706321/cryptaphelenchus-varicaudatus-n-sp-rhabditida-ektaphelenchinae-from-tehran-province-iran
#20
Majid Pedram
Cryptaphelenchus varicaudatus n. sp. is described and illustrated. It was isolated from bark samples of dead or dying pine (Pinus spp.) trees with bark beetle frass and galleries, in Tehran province. The new species has 275- to 367-µm-long females (a medium-sized species) with distinctly annulated cuticle having three bands in lateral fields, lip region continuous with body contour, delicate knobbed stylet, monodelphic-prodelphic reproductive system with distinct spermatheca, short postvulval uterine sac (PUS), transverse vulval slit with raised posterior lip and body narrowing behind it, sclerotized vagina, simple intestine ending in a blind sac, having no rectum but vestigial anus in some specimens, and distal body end tip (tail tip) with variation in morphology (shape), from sharply or slightly pointed to bluntly rounded...
June 2017: Journal of Nematology
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