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https://www.readbyqxmd.com/read/29146985/drosophila-muscles-regulate-the-immune-response-against-wasp-infection-via-carbohydrate-metabolism
#1
Hairu Yang, Dan Hultmark
We recently found that JAK/STAT signaling in skeletal muscles is important for the immune response of Drosophila larvae against wasp infection, but it was not clear how muscles could affect the immune response. Here we show that insulin signaling is required in muscles, but not in fat body or hemocytes, during larval development for an efficient encapsulation response and for the formation of lamellocytes. This effect requires TOR signaling. We show that muscle tissue affects the immune response by acting as a master regulator of carbohydrate metabolism in the infected animal, via JAK/STAT and insulin signaling in the muscles, and that there is indirect positive feedback between JAK/STAT and insulin signaling in the muscles...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29145966/outcome-evaluation-of-staged-treatment-for-bicondylar-tibial-plateau-fractures
#2
Vincenzo Giordano, Ney Pecegueiro do Amaral, Hilton A Koch, Rodrigo Pires E Albuquerque, Felipe Serrão de Souza, José Félix Dos Santos Neto
BACKGROUND: The universal accepted strategy for treating high-energy tibial plateau fractures remains a topic of ongoing debate. The challenge for the practicing orthopaedic trauma surgeon is to provide anatomical articular fracture reduction, with successfully managing the complex soft-tissue injury that is commonly present at patient admission. The primary aim of the actual study was to evaluate the results of a staged protocol for the treatment of high-energy bicondylar tibial plateau fractures...
October 2017: Injury
https://www.readbyqxmd.com/read/29121203/functional-characterization-of-tektin-1-in-motile-cilia-and-evidence-for-tekt1-as-a-new-candidate-gene-for-motile-ciliopathies
#3
Rebecca Ryan, Marion Failler, Madeline Louise Reilly, Meriem Garfa-Traore, Marion Delous, Emilie Filhol, Thérèse Reboul, Christine Bole-Feysot, Patrick Nitschké, Véronique Baudouin, Serge Amselem, Estelle Escudier, Marie Legendre, Alexandre Benmerah, Sophie Saunier
A child presenting with Mainzer-Saldino syndrome (MZSDS), characterized by renal, retinal and skeletal involvements, was also diagnosed with lung infections and airway ciliary dyskinesia. These manifestations suggested dysfunction of both primary and motile cilia, respectively. Targeted exome sequencing identified biallelic mutations in WDR19, encoding an IFT-A subunit previously associated with MZSDS-related chondrodysplasia, Jeune asphyxiating thoracic dysplasia and cranioectodermal dysplasia, linked to primary cilia dysfunction, and in TEKT1 which encodes tektin-1 an uncharacterized member of the tektin family, mutations of which may cause ciliary dyskinesia...
November 7, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29115717/changes-in-liver-function-and-body-composition-by-direct-acting-antiviral-therapy-for-hepatitis-c-virus-infection
#4
Ryosuke Sugimoto, Motoh Iwasa, Nagisa Hara, Yasuyuki Tamai, Kyoko Yoshikawa, Suguru Ogura, Hideaki Tanaka, Akiko Eguchi, Norihiko Yamamoto, Yoshinao Kobayashi, Hiroshi Hasegawa, Yoshiyuki Takei
AIM: Management of low skeletal muscle mass (LSM) is a very important topic since LSM affects patient mortality in liver diseases. Changes in body composition are unexplored in chronic hepatitis C virus (HCV) patients, including those with liver cirrhosis, who receive direct-acting antiviral (DAA) therapy. Body composition measurements and liver function tests were performed before and after DAA therapy. METHODS: Blood examination, visceral fat area (VFA) and extremity skeletal muscle mass were measured using the multi-frequency bioelectrical impedance analysis method: i) at 24 weeks pre DAA therapy; ii) at the start of DAA therapy; iii) at the end of DAA therapy; iv) at 24 weeks post DAA therapy; and v) at 48 weeks post DAA therapy...
November 8, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29113363/involvement-of-inducible-nitric-oxide-synthase-and-mitochondrial-dysfunction-in-the-pathogenesis-of-enterovirus-71-infection
#5
Dejian Dang, Chao Zhang, Rongguang Zhang, Weidong Wu, Shuaiyin Chen, Jingchao Ren, Peng Zhang, Guangyuan Zhou, Demin Feng, Tiantian Sun, Ying Li, Qiaoli Liu, Mengchen Li, Yuanlin Xi, Yuefei Jin, Guangcai Duan
Enterovirus71 (EV71) is recognized as the main causative agent of severe hand, foot and mouth disease (HFMD). However, the pathogenesis of EV71 infection has not been well characterized. Clinical evidence indicated that inducible nitric oxide synthase (iNOS) induction in the lung of HFMD patients contributes to the severe symptoms of pulmonary edema. In the present study, we recruited 142 subjects including HFMD patients and controls, and serum level of nitric oxide (NO) was determined. Next, cellular and animal model were used to further investigate the roles of iNOS and mitochondria damage during EV71 infection...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29113159/treatment-of-osteosarcoma-around-the-knee-in-skeletally-immature-patients
#6
Weitao Yao, Qiqing Cai, Jiaqiang Wang, Songtao Gao
Limb sparing surgery in growing young patients with malignant tumors is difficult as invasion of the physis by the tumor or surgical resection through the metaphysis may cause significant limb discrepancy following surgery. At present, hinged tumor prosthesis or biological reconstructions are the main methods following tumor resection in these patients. The aim of the present study was to assess different procedures for the treatment of osteosarcoma around knee joints in immature patients. A retrospective study of 56 patients (<15 years old, open physis) who had been treated for osteosarcoma around the knee joint between January 2007 and December 2015 was performed...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29104410/human-aided-movement-of-viral-disease-and-the-archaeology-of-avian-osteopetrosis
#7
B Tyr Fothergill
The term avian osteopetrosis is used to describe alterations to the skeletal elements of several species of domestic bird, most typically the chicken, Gallus gallus domesticus (L. 1758). Such lesions are routinely identified in animal bones from archaeological sites due to their distinctive appearance, which is characterised by proliferative diaphyseal thickening. These lesions are relatively uncomplicated for specialists to differentially diagnose and are caused by a range of avian leucosis viruses in a series of subgroups...
September 2017: Int J Osteoarchaeol
https://www.readbyqxmd.com/read/29103678/cytotoxic-activity-of-flavobacterium-psychrophilum-in-skeletal-muscle-cells-of-rainbow-trout-oncorhynchus-mykiss
#8
Mathias Iturriaga, Marlen Brisa Espinoza, Matías Poblete-Morales, Carmen Gloria Feijoo, Ariel E Reyes, Alfredo Molina, Ruben Avendaño-Herrera, Juan Antonio Valdés
Flavobacterium psychrophilum is the etiologic agent of bacterial coldwater disease (BCWD) and rainbow trout fry syndrome (RTFS), which cause significant worldwide losses in aquaculture. Juvenile rainbow trout are particularly susceptible to F. psychrophilum infection, the main external clinical signs of which are extensive necrotic myositis and ulcerative lesions. Despite the economic relevance of this pathogen in aquaculture, little is known about the molecular mechanisms underlying F. psychrophilum infection and pathogenesis...
October 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29103446/miniscrew-assisted-multidisciplinary-orthodontic-treatment-with-surgical-mandibular-advancement-and-genioplasty-in-a-brachyfacial-class-ii-patient-with-mandibular-asymmetry
#9
Vanessa Paredes-Gallardo, Verónica García-Sanz, Carlos Bellot-Arcís
This article describes the complex dental treatment of a 43-year-old man with skeletal Class II, mandibular asymmetry, severe brachyfacial pattern, Class II Division 2, canting of the occlusal plane, and an increased curve of Spee. To achieve optimal results, we adopted a multidisciplinary approach to treatment, involving periodontics, oral surgery, orthodontics, maxillofacial surgery, and prosthetics specialists. After periodontal treatment, miniscrews were placed to correct the occlusal plane canting and the excessive curve of Spee with orthodontic treatment...
November 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29102433/effect-of-vitamin-d-supplementation-on-non-skeletal-disorders-a-systematic-review-of-meta-analyses-and-randomised-trials
#10
REVIEW
Philippe Autier, Patrick Mullie, Alina Macacu, Miruna Dragomir, Magali Boniol, Kim Coppens, Cécile Pizot, Mathieu Boniol
Randomised trials reported up to Dec 31, 2012, did not confirm that vitamin D supplementation could protect from non-skeletal health conditions affecting adults, as was expected on the basis of data from observational studies. To examine whether the more recently published meta-analyses and trials would change past conclusions, we systematically reviewed meta-analyses of vitamin D supplementation and non-skeletal disorders published between Jan 1, 2013, and May 31, 2017, that included study participants of all ages, including pregnant women...
October 25, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/29101656/impact-of-enteric-health-and-mucosal-permeability-on-skeletal-health-and-lameness-in-poultry
#11
L R Bielke, B M Hargis, J D Latorre
Intestinal barrier leakage and/or altered gut microbial composition has been shown to markedly impact both osteoblast and osteoclast activities, systemically through circulation of gut immune cells and cytokines and locally by causing inflammation of extraintestinal organs such as the liver and bone marrow. Mild cases of heightened intestinal inflammation can cause bone loss in male mice in the absence of any overt nutritional deficiencies or weight loss, which has also been shown in chickens that have been infected with Salmonella...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29080770/atypical-fatal-sarcocystosis-associated-with-sarcocystis-neurona-in-a-white-nosed-coati-nasua-narica-molaris
#12
Jitender P Dubey, John G Trupkiewicz, Shiv K Verma, Joseph D Mowery, Gloria Adedoyin, Tim Georoff, Michael E Grigg
The protozoan parasite Sarcocystis neurona is an important cause of disease in horses (equine protozoal myeloencephalitis, EPM) and marine mammals. Isolated reports of clinical EPM-like disease have been documented in a zebra, raccoon, domestic cat, domestic dog, ferret, skunk, mink, lynx, red panda and fisher. The predominant disease is encephalomyelitis associated with schizonts in neural tissues. Here, we report highly disseminated sarcocystosis, in many tissues of a captive White-nosed coati (Nasua narica molaris)...
November 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29068973/rigid-external-distractor-aided-advancement-after-simultaneously-performed-lefort-iii-osteotomy-and-fronto-orbital-advancement
#13
Ali-Farid Safi, Matthias Kreppel, Martin Kauke, Andrea Grandoch, Hans-Joachim Nickenig, Joachim Zöller
Due to the complex development of the craniofacial skull, corrective surgery is a major challenge for patients with severe craniofaciostenosis. Although fronto-orbital advancement and simultaneous LeFort-III osteotomy in combination with distraction osteogenesis have been reported as a safe and successful method to obtain good esthetic and functional results, there is a lack of studies evaluating this method.Our retrospective study included 12 patients with syndromic craniofaciostenosis, who were primarily treated at our department in accordance with a standardized treatment protocol, consisting of a simultaneous fronto-orbital advancement with LeFort-III osteotomy in combination with a rigid external distractor (RED-II)...
October 24, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29065187/prognostic-value-of-sarcopenia-in-patients-with-liver-cirrhosis-a-systematic-review-and-meta-analysis
#14
REVIEW
Gaeun Kim, Seong Hee Kang, Moon Young Kim, Soon Koo Baik
BACKGROUND: Sarcopenia is a common syndrome in chronic diseases such as liver cirrhosis. The association between sarcopenia and outcomes, such as complications and survival has recently been described in various patient groups. However, study results remain inconclusive. Therefore, the aim of this study was to systematically review the impact of sarcopenia on outcome in patients with cirrhosis. METHODS AND FINDINGS: We conducted a systematic review (SR) and meta-analysis (MA) on the impact of sarcopenia on outcome in liver cirrhosis was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines...
2017: PloS One
https://www.readbyqxmd.com/read/29063702/antiresorptive-treatment-associated-onj
#15
REVIEW
Evangelos Eleutherakis-Papaiakovou, Aristotelis Bamias
Osteonecrosis of the jaw (ONJ) is a severe complication of therapy with antiresorptive agents (e.g. bisphosphonates and denosumab), which are used to manage bone metastases from cancer, to reduce the incidence of skeletal-related events. Available data indicate that 0-27, 5% of patients exposed to antiresorptive agents may develop ONJ, depending on the number of infusions and the duration of therapy. Besides antiresorptive therapy, a number of risk factors for osteonecrosis have been identified. Oral surgical procedures, tooth extractions and infection to the jawbones are considered the main risk factors for developing ONJ, when receiving antiresorptive therapy...
October 24, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/29055853/morphology-and-phylogeny-of-ameson-portunus-n-sp-microsporidia-infecting-the-swimming-crab-portunus-trituberculatus-from-china
#16
Yuan Wang, Xin-Cang Li, Guihong Fu, Shu Zhao, Yuange Chen, Hao Wang, Tiantian Chen, Junfang Zhou, Wenhong Fang
Ameson portunus n. sp. is a new microsporidian species that infects the skeletal muscle of Portunus trituberculatus, a pond-reared swimming crab from China. This parasite was characterized using morphological and molecular phylogenetic data. Light and transmission electron microscopy revealed that this microsporidian experienced disporogonic and polysporogonic (chain-like) life cycles. Mature uninucleate spores appeared ovoid, measured 1.4±0.06×1.0±0.07μm on ultrathin sections, and exhibited no dimorphism...
September 27, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/29053335/success-rates-of-a-skeletal-anchorage-system-in-orthodontics-a-retrospective-analysis
#17
Raymond Lam, Mithran S Goonewardene, Brent P Allan, Junji Sugawara
OBJECTIVES: To evaluate the premise that skeletal anchorage with SAS miniplates are highly successful and predictable for a range of complex orthodontic movements. MATERIALS AND METHODS: This retrospective cross-sectional analysis consisted of 421 bone plates placed by one clinician in 163 patients (95 female, 68 male, mean age 29.4 years ± 12.02). Simple descriptive statistics were performed for a wide range of malocclusions and desired movements to obtain success, complication, and failure rates...
October 20, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/29051881/fracture-management-in-pyknodysostosis-a-rare-case-report
#18
G Subramanya Gandhi, V Vijayanarasimhan, Lionel John, S Kailash, E Sathish Balaji
INTRODUCTION: Pyknodysostosis is congenital osteosclerotic skeletal dysplasia of a rare entity. It is an autosomal recessive disease which presents with short stature and generalized osteosclerosis of skeleton as result of decreased bone turnover. Here, the authors report a case of pyknodysostosis who presented to our emergency room with a pathological fracture in the shaft of the femur for which operative intervention was carried out. CASE REPORT: A 30-year-old female presented to our emergency room with a history of trivial injury to right thigh region and was diagnosed as fracture in her right femur shaft region...
May 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/29050543/granulomatous-necrotizing-myositis-in-swine-affected-by-porcine-circovirus-disease
#19
Guilherme Konradt, Raquel A S Cruz, Daniele M Bassuino, Matheus V Bianchi, Caroline P de Andrade, Fernando S da Silva, David Driemeier, Saulo P Pavarini
Porcine circovirus type 2 (PCV2) is associated with multiple clinical syndromes in pigs, known as porcine circovirus diseases. This work describes an outbreak of porcine circovirus diseases with severe lesions affecting the skeletal muscle. Ninety-two pigs had apathy, weight loss, and diarrhea over a clinical course of 7 to 10 days. Approximately 30 of the pigs had stiff gait, muscle weakness, hind limb paresis, and recumbency. Twelve of the 92 pigs were necropsied, and 4 had pale discoloration of skeletal muscles with microscopic lesions of granulomatous necrotizing myositis...
January 1, 2017: Veterinary Pathology
https://www.readbyqxmd.com/read/29050201/htlv-1-viral-oncogene-hbz-induces-osteolytic-bone-disease-in-transgenic-mice
#20
Alison K Esser, Daniel A Rauch, Jingyu Xiang, John C Harding, Nicole A Kohart, Michael H Ross, Xinming Su, Kevin Wu, Devra Huey, Yalin Xu, Kiran Vij, Patrick L Green, Thomas J Rosol, Stefan Niewiesk, Lee Ratner, Katherine N Weilbaecher
Adult T-cell leukemia/lymphoma (ATL) is an aggressive T cell malignancy that occurs in HTLV-1 infected patients. Most ATL patients develop osteolytic lesions and hypercalcemia of malignancy, causing severe skeletal related complications and reduced overall survival. The HTLV-1 virus encodes 2 viral oncogenes, Tax and HBZ. Tax, a transcriptional activator, is critical to ATL development, and has been implicated in pathologic osteolysis. HBZ, HTLV-1 basic leucine zipper transcription factor, promotes tumor cell proliferation and disrupts Wnt pathway modulators; however, its role in ATL induced osteolytic bone loss is unknown...
September 19, 2017: Oncotarget
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