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https://www.readbyqxmd.com/read/27911330/fhl1b-interacts-with-lamin-a-c-and%C3%A2-emerin-at-the-nuclear-lamina-and%C3%A2-is%C3%A2-misregulated-in-emery-dreifuss-muscular-dystrophy
#1
Esma Ziat, Kamel Mamchaoui, Maud Beuvin, Isabelle Nelson, Feriel Azibani, Simone Spuler, Gisèle Bonne, Anne T Bertrand
BACKGROUND: Emery-Dreifuss muscular dystrophy (EDMD) is associated with mutations in EMD and LMNA genes, encoding for the nuclear envelope proteins emerin and lamin A/C, indicating that EDMD is a nuclear envelope disease. We recently reported mutations in FHL1 gene in X-linked EDMD. FHL1 encodes FHL1A, and the two minor isoforms FHL1B and FHL1C. So far, none have been described at the nuclear envelope. OBJECTIVE: To gain insight into the pathophysiology of EDMD, we focused our attention on the poorly characterized FHL1B isoform...
November 29, 2016: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/27910172/imaging-diagnosis-imaging-and-histopathologic-characteristics-of-a-vertebral-hamartoma-in-a-cat
#2
Frances E Taylor-Brown, Christopher R Lamb, Henny Martineau, Clare Muir, Elsa Beltran
A 9-month-old domestic shorthair cat had progressive ambulatory paraparesis, proprioceptive ataxia, and thoracolumbar hyperesthesia. An extradural mass affecting the left pedicle and lamina of the second lumbar vertebra (L2) causing marked spinal cord impingement was identified in magnetic resonance (MR) images. The mass was predominantly calcified in computed tomographic (CT) images. A hemilaminectomy was performed to resect the mass. Clinical signs were greatly improved at 12-month follow-up. The histopathologic diagnosis was vascular hamartoma...
December 1, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27909833/verification-of-a-virtual-fields-method-to-extract-the-mechanical-properties-of-human-optic-nerve-head-tissues-in-vivo
#3
Liang Zhang, Sri Gowtham Thakku, Meghna R Beotra, Mani Baskaran, Tin Aung, James C H Goh, Nicholas G Strouthidis, Michael J A Girard
We aimed to verify a custom virtual fields method (VFM) to estimate the patient-specific biomechanical properties of human optic nerve head (ONH) tissues, given their full-field deformations induced by intraocular pressure (IOP). To verify the accuracy of VFM, we first generated 'artificial' ONH displacements from predetermined (known) ONH tissue biomechanical properties using finite element analysis. Using such deformations, if we are able to match back the known biomechanical properties, it would indicate that our VFM technique is accurate...
December 1, 2016: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/27909548/microvasculature-of-the-esophagus-and-gastroesophageal-junction-lesson-learned-from-submucosal-endoscopy
#4
REVIEW
Roberta Maselli, Haruhiro Inoue, Haruo Ikeda, Manabu Onimaru, Akira Yoshida, Esperanza Grace Santi, Hiroki Sato, Bu'Hussain Hayee, Shin-Ei Kudo
Advanced therapeutic endoscopy, in particular endoscopic mucosal resection, endoscopic submucosal dissection, per-oral endoscopic myotomy, submucosal endoscopic tumor resection opened a new era where direct esophageal visualization is possible. Combining these information with advanced diagnostic endoscopy, the esophagus is organized, from the luminal side to outside, into five layers (epithelium, lamina propria with lamina muscularis mucosa, submucosa, muscle layer, adventitia). A specific vascular system belonging to each layer is thus visible: Mucosa with the intra papillary capillary loop in the epithelium and the sub-epithelial capillary network in the lamina propria and, at the lower esophageal sphincter (LES) level with the palisade vessels; submucosa with the drainage vessels and the spindle veins at LES level; muscle layer with the perforating vessels; peri-esophageal veins in adventitia...
November 16, 2016: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27903928/restoring-the-anatomy-of-calcaneal-fractures-a-simple-technique-with-radiographic-review
#5
James M Cottom, Joseph S Baker
: Displaced, intra-articular fractures of the calcaneus result in gross deformity of the hindfoot, which must be reduced during surgical fixation. Described techniques aimed at restoring the normal anatomy of the calcaneus have mostly been focused on percutaneous methods, which are not without complication. Described in this report is a method of anatomic reduction during open reduction and internal fixation of these injuries, which uses a lamina spreader to simultaneously reduce calcaneal varus, restore calcaneal height, reduce the subtalar joint, and restore normal calcaneal width...
November 30, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27902901/virulence-of-serovar-c-1-strains-of-avibacterium-paragallinarum
#6
H H Trujillo-Ruíz, H L Shivaprasad, V Morales-Erasto, M Talavera-Rojas, C Salgado-Miranda, F Salazar-García, P J Blackall, E Soriano-Vargas
The bacterium Avibacterium paragallinarum is the etiologic agent of infectious coryza of chickens. There are nine serovars of A. paragallinarum , and serovar C-1 has emerged in outbreaks of infectious coryza in layer hens in the Americas, with all isolates having been obtained from infectious coryza-vaccinated chickens. In the current study, the clinical and histopathologic outcomes of experimental infections in chickens with A. paragallinarum of serovar C-1 were investigated. The Japanese serovar reference strain, H-18, and a Mexican isolate, ESV-135, were included in the study...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902570/preprotachykinin-a-ppta-is-expressed-by-a-distinct-population-of-excitatory-neurons-in-the-mouse-superficial-spinal-dorsal-horn-including-cells-that-respond-to-noxious-and-pruritic-stimuli
#7
Maria Gutierrez-Mecinas, Andrew M Bell, Alina Marin, Rebecca Taylor, Kieran A Boyle, Takahiro Furuta, Masahiko Watanabe, Erika Polgár, Andrew J Todd
The superficial dorsal horn, which is the main target for nociceptive and pruritoceptive primary afferents, contains a high density of excitatory interneurons. Our understanding of their roles in somatosensory processing has been restricted by the difficulty of distinguishing functional populations among these cells. We recently defined three non-overlapping populations among the excitatory neurons, based on the expression of neurotensin, neurokinin B (NKB) and gastrin-releasing peptide (GRP). Here we identify and characterise another population: neurons that express the tachykinin peptide substance P...
November 25, 2016: Pain
https://www.readbyqxmd.com/read/27901645/fenestrated-adipofascial-reverse-flap-a-modified-technique-for-the-reconstruction-of-fingertip-amputations
#8
Francesco Idone, Andrea Sisti, Juri Tassinari, Giuseppe Nisi
AIMS OF THE STUDY: Fingertip injuries can be treated in different ways, including shortening with primary closure, skin graft, and local or distant flaps. Several local flaps for the reconstruction of the amputated fingertip were described. We present our experience with a new concept of homodigital adipofascial reverse flap that avoids the second surgical stage and allows a complete and anatomically perfect reconstruction of nail bed, with preservation of the nail lamina. MATERIALS AND METHODS: Between March 2014 and February 2015, five patients with digital amputations (distally to the nail matrix) were treated using the Fenestrated Adipofascial Reverse (F...
November 30, 2016: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/27900728/distant-lymph-node-metastases-caused-by-esophageal-cancer-invasion-to-the-lamina-propria-a-case-report
#9
Satoshi Tsutsumi, Hiroshi Saeki, Yuichiro Nakashima, Yu Nakaji, Kensuke Kudou, Ryosuke Tsutsumi, Sho Nishimura, Shingo Akiyama, Hirotada Tajiri, Takafumi Yukaya, Kimihiro Tanaka, Ryota Nakanishi, Masahiko Sugiyama, Kippei Ohgaki, Hideto Sonoda, Minako Hirahashi, Eiji Oki, Masaru Morita, Yoshinao Oda, Yoshihiko Maehara
BACKGROUND: Pathological examination after endoscopic submucosal dissection revealed that a 62-year-old male had esophageal squamous cell carcinoma with lamina propria mucosal invasion and lymphatic permeation. CASE PRESENTATION: The patient underwent subtotal esophagectomy and reconstruction as an additional therapy. At 3 years and 4 months after esophagectomy, enlargement of abdominal para-aortic lymph nodes metastases was detected by computed tomography scanning...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27900483/indigo-naturalis-ameliorates-murine-dextran-sodium-sulfate-induced-colitis-via-aryl-hydrocarbon-receptor-activation
#10
Shoichiro Kawai, Hideki Iijima, Shinichiro Shinzaki, Satoshi Hiyama, Toshio Yamaguchi, Manabu Araki, Shuko Iwatani, Eri Shiraishi, Akira Mukai, Takahiro Inoue, Yoshito Hayashi, Masahiko Tsujii, Daisuke Motooka, Shota Nakamura, Tetsuya Iida, Tetsuo Takehara
BACKGROUND: Indigo Naturalis (IN) is used as a traditional herbal medicine for ulcerative colitis (UC). However, the mechanisms of action of IN have not been clarified. We aimed to evaluate the efficacy of IN for ameliorating colonic inflammation. We further investigated the mechanisms of action of IN. METHODS: Colitis severity was assessed in dextran sodium sulfate-induced colitis and trinitrobenzene sulfonic acid-induced colitis models with or without the oral administration of IN or indigo, which is a known major component of IN...
November 29, 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/27899325/dystrophic-epidermolysis-bullosa-col7a1-mutation-landscape-in-a-multi-ethnic-cohort-of-152-extended-families-with-high-degree-of-customary-consanguineous-marriages
#11
Hassan Vahidnezhad, Leila Youssefian, Sirous Zeinali, Amir Hossein Saeidian, Soheila Sotudeh, Nikoo Mozafari, Maryam Abiri, Abdolmohammad Kajbafzadeh, Mohammadreza Barzegar, Adam Ertel, Paolo Fortina, Jouni Uitto
Dystrophic epidermolysis bullosa (DEB) is a heritable skin disease manifesting with sub-lamina densa blistering, erosions and chronic ulcers. COL7A1, encoding type VII collagen, has been identified as the candidate gene for DEB. In this study, we have identified COL7A1 mutations in a large multi-ethnic cohort of 152 extended Iranian families with high degree of consanguinity. The patients were diagnosed by clinical manifestations, histopathology and immunoepitope mapping. Mutation detection consisted of a combination of a single nucleotide polymorphism-based whole genome homozygosity mapping, Sanger sequencing and gene targeted next generation sequencing...
October 27, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27898470/lamina-cribrosa-in-glaucoma
#12
J Crawford Downs, Christopher A Girkin
PURPOSE OF REVIEW: This article presents, summarizes, and interprets the most recent advances in the study and understanding of the lamina cribrosa in glaucoma, in the context of previous work. RECENT FINDINGS: The lamina is an active living structure that responds to strain by changing morphology at the micro-scale and macro-scale in glaucoma. Changes in lamina cribrosa morphology in glaucoma include posteriorization of the laminar insertion into the sclera, increased cupping or depth of the lamina cribrosa, and the development of focal lamina cribrosa defects...
November 25, 2016: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/27896665/ultrasound-guided-thoracic-paravertebral-block-by-the-paralaminar-in-plane-approach-using-a-microconvex-array-transducer-methodological-utility-based-on-anatomical-structures
#13
Yasuko Taketa, Taro Fujitani, Yumi Irisawa, Satoko Sudo, Kazushi Takaishi
OBJECTIVE: We evaluated the analgesic feasibility of paralaminar in-plane (PL) approach for ultrasound-guided thoracic paravertebral block (USG-TPVB). As the needle trajectory was expected to be closely affected by the distance from the skin to the lamina-transverse process junction (LTPJ), we examined the correlativity between them on computed tomography (CT) or ultrasonography. METHODS: Thirty-two patients undergoing thoracotomy were recruited. We measured the distances between the skin and LTPJ using preoperative CT (S-L) and procedural ultrasonography (US-L)...
November 28, 2016: Journal of Anesthesia
https://www.readbyqxmd.com/read/27895423/increased-cd4-cd45ra-foxp3-low-cells-alter-the-balance-between-treg-and-th17-cells-in-colitis-mice
#14
Ya-Hui Ma, Jie Zhang, Xue Chen, You-Fu Xie, Yan-Hua Pang, Xin-Juan Liu
AIM: To investigate the role of regulatory T cell (Treg) subsets in the balance between Treg and T helper 17 (Th17) cells in various tissues from mice with dextran sulfate sodium-induced colitis. METHODS: Treg cells, Treg cell subsets, Th17 cells, and CD4(+)CD25(+)FoxP3(+)IL-17(+) cells from the lamina propria of colon (LPC) and other ulcerative colitis (UC) mouse tissues were evaluated by flow cytometry. Forkhead box protein 3 (FoxP3), interleukin 17A (IL-17A), and RORC mRNA levels were assessed by real-time PCR, while interleukin-10 (IL-10) and IL-17A levels were detected with a Cytometric Beads Array...
November 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27895193/organum-vasculosum-of-the-lamina-terminalis-detects-nacl-to-elevate-sympathetic-nerve-activity-and-blood-pressure
#15
Brian J Kinsman, Sarah S Simmonds, Kirsteen N Browning, Sean D Stocker
High-salt diet elevates NaCl concentrations in the cerebrospinal fluid to increase sympathetic nerve activity (SNA) in salt-sensitive hypertension. The organum vasculosum of the lamina terminalis (OVLT) resides along the rostral wall of the third ventricle, lacks a complete blood-brain barrier, and plays a pivotal role in body fluid homeostasis. Therefore, the present study used a multifaceted approach to examine whether OVLT neurons of Sprague-Dawley rats are intrinsically sensitive to changes in extracellular NaCl concentrations and mediate the sympathoexcitatory responses to central NaCl loading...
November 28, 2016: Hypertension
https://www.readbyqxmd.com/read/27895191/putative-mechanism-of-salt-dependent-neurogenic-hypertension-cell-autonomous-activation-of-organum-vasculosum-laminae-terminalis-neurons-by-hypernatremia
#16
EDITORIAL
https://www.readbyqxmd.com/read/27891587/intestinal-mononuclear-cells-primed-by-systemic-interleukin-12-display-long-term-ability-to-aggravate-colitis-in-mice
#17
Luciano P Pedrotti, Angela A Sena, María Cecilia Rodriguez Galán, Hugo Cejas, Silvia G Correa
To address whether the burst of systemic interleukin-12 (IL-12) influences intestinal inflammation elicited by luminal stimuli, we induced IL-12 release by cDNA injection in C57BL/6 mice and simultaneously started dextran sulphate sodium administration. The sequence of the inflammatory response triggered by IL-12 release was characterized by assessing myeloperoxidase activity and histological damage in colon samples on days 1, 3, 5 and 7 after colitis induction. To evaluate the persistence of IL-12 priming, colitis was induced in mice 7 or 60 days after cDNA injection...
November 5, 2016: Immunology
https://www.readbyqxmd.com/read/27891580/acute-infection-with-the-intestinal-parasite-trichuris-muris-has-long-term-consequences-on-mucosal-mast-cell-homeostasis-and-epithelial-integrity
#18
Daniel Sorobetea, Jacob Bak Holm, Henrietta Henningsson, Karsten Kristiansen, Marcus Svensson-Frej
A hallmark of parasite infection is the accumulation of innate immune cells, notably granulocytes and mast cells, at the site of infection. While this is typically viewed as a transient response, with the tissue returning to steady state once the infection is cleared, we found that mast cells accumulated in the large-intestinal epithelium following infection with the nematode Trichuris muris and persisted at this site for several months after worm expulsion. Mast cell accumulation in the epithelium was associated with the induction of type-2 immunity and appeared to be driven by increased maturation of local progenitors in the intestinal lamina propria...
November 28, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27890757/percutaneous-endoscopic-removal-of-a-lumbar-epidural-angiolipoma-via-interlaminar-approach-a-technical-report
#19
Guang-Yu Ying, Ying Yao, Fang Shen, Yu-Cheng Ren, Chien-Min Chen, Yong-Jian Zhu
BACKGROUND: Percutaneous endoscopic technique has been routinely used in the treatment of disk herniation while there are few reports on its application in the management of intraspinal tumors. We presented here the first case report of lumbar epidural angiolipoma that was totally removed by percutaneous endoscopy. CASE DESCRIPTION: A 63-year-old man presented with 4-month history of progressively worsening low back pain was admitted to our hospital. No abnormal neurological finding was noticed on physical examination and magnetic resonance imaging demonstrated a dorsally located L2-L3 epidural lesion, suggestive of a non-infiltrating angiolipoma...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890677/time-course-of-organ-of-corti-degeneration-after-noise-exposure
#20
Barbara A Bohne, Melissa Kimlinger, Gary W Harding
From our permanent collection of plastic-embedded flat preparations of chinchilla cochleae, 22 controls and 199 ears from noise-exposed animals were used to determine when, postexposure, hair cell (HC) and supporting cell (SC) degeneration were completed. The exposed ears were divided into four groups based on exposure parameters: 0.5- or 4-kHz octave band of noise at moderate (M) or high (H) intensities. Postexposure survival ranged from < 1 h to 2.5 y. Ears fixed ≤ 0-12 h postexposure were called ‛acute‛...
November 24, 2016: Hearing Research
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