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Skeletal infection

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https://www.readbyqxmd.com/read/29344937/ndufaf3-variants-that-disrupt-mitochondrial-complex-i-assembly-may-associate-with-cavitating-leukoencephalopathy
#1
A Ishiyama, K Muramatsu, S Uchino, C Sakai, Y Matsushima, N Makioka, T Ogata, E Suzuki, H Komaki, M Sasaki, M Mimaki, Y-I Goto, I Nishino
Genetic abnormalities in mitochondrial complex assembling factors are associated with leukoencephalopathy. We present a one-year-old girl with consciousness disturbance after a respiratory infection. Brain MRI revealed leukoencephalopathy with bilaterally symmetrical hyperintensity in the substantia nigra, medial thalamic nuclei, and basal nuclei, as well as cavities in the cerebral white matter and corpus callosum. Lactate levels in the spinal fluid were high, while magnetic resonance spectroscopy of the cerebral white matter and basal nuclei showed high peak lactate levels, suggesting mitochondrial dysfunction...
January 17, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29342149/low-expression-of-il-18-and-il-18-receptor-in-human-skeletal-muscle-is-associated-with-systemic-and-intramuscular-lipid-metabolism-role-of-hiv-lipodystrophy
#2
Birgitte Lindegaard, Thine Hvid, Helene Wolsk Mygind, Ole Hartvig-Mortensen, Thomas Grøndal, Julie Abildgaard, Jan Gerstoft, Bente Klarlund Pedersen, Marcin Baranowski
INTRODUCTION: Interleukin (IL)-18 is involved in regulation of lipid and glucose metabolism. Mice lacking whole-body IL-18 signalling are prone to develop weight gain and insulin resistance, a phenotype which is associated with impaired fat oxidation and ectopic skeletal muscle lipid deposition. IL-18 mRNA is expressed in human skeletal muscle but a role for IL-18 in muscle has not been identified. Patients with HIV-infection and lipodystrophy (LD) are characterized by lipid and glucose disturbances and increased levels of circulating IL-18...
2018: PloS One
https://www.readbyqxmd.com/read/29338140/primary-pyomyositis-in-north-india-a-clinical-microbiological-and-outcome-study
#3
Susheel Kumar, Ashish Bhalla, Rajveer Singh, Navneet Sharma, Aman Sharma, Vikas Gautam, Surjit Singh, Subhash Varma
Background/Aims: Pyomyositis is an infective condition with primary involvement of the skeletal muscles. There is sparse recent literature on patients with pyomyositis. Methods: This study was carried out at emergency services of a tertiary care center located in subtropical area of Indian subcontinent. Results: Sixty-two patients of primary pyomyositis formed the study cohort. Mean age of occurrence was 29.9 ± 14.8 years. There were 54 men...
January 18, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29330724/a-novel-nomogram-for-predicting-postsurgical-intra-abdominal-infection-in-gastric-cancer-patients-a-prospective-study
#4
Chen-Chen Mao, Xiao-Dong Chen, Ji Lin, Wei-Shan Zhu-Ge, Zhong-Dong Xie, Xi-Yi Chen, Feng-Min Zhang, Rui-Sen Wu, Wei-Teng Zhang, Neng Lou, Li Shi, Guan-Bao Zhu, Xian Shen
BACKGROUND: This study aimed to determine the relationship between intra-abdominal infection (IAI) and sarcopenia prospectively and to construct a nomogram to identify patients at a high risk of IAI. METHODS: We conducted a prospective study of 682 consecutive patients with gastric cancer who underwent radical gastrectomy. The sarcopenia elements, including lumbar skeletal muscle index, handgrip strength, and gait speed, were measured before surgery. Factors contributing to IAI were determined through univariate and multivariate analysis...
January 12, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29327257/biomechanical-characterisation-of-bone-anchored-implant-systems-for-amputation-limb-prostheses-a-systematic-review
#5
REVIEW
Alexander Thesleff, Rickard Brånemark, Bo Håkansson, Max Ortiz-Catalan
Bone-anchored limb prostheses allow for the direct transfer of external loads from the prosthesis to the skeleton, eliminating the need for a socket and the associated problems of poor fit, discomfort, and limited range of movement. A percutaneous implant system for direct skeletal attachment of an external limb must provide a long-term, mechanically stable interface to the bone, along with an infection barrier to the external environment. In addition, the mechanical integrity of the implant system and bone must be preserved despite constant stresses induced by the limb prosthesis...
January 11, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29324290/ross-river-virus-envelope-glycans-contribute-to-disease-through-activation-of-the-host-complement-system
#6
Bronwyn M Gunn, Jennifer E Jones, Reed S Shabman, Alan C Whitmore, Sanjay Sarkar, Lance K Blevins, Thomas E Morrison, Mark T Heise
Mannose binding lectin (MBL) generally plays a protective role during viral infection, yet MBL-mediated complement activation promotes Ross River virus (RRV)-induced inflammatory tissue destruction, contributing to arthritis and myositis. As MBL binds to carbohydrates, we hypothesized that N-linked glycans on the RRV envelope glycoproteins act as ligands for MBL. Using a panel of RRV mutants lacking the envelope N-linked glycans, we found that MBL deposition onto infected cells was dependent on the E2 glycans...
January 8, 2018: Virology
https://www.readbyqxmd.com/read/29323824/a-case-of-atypical-synovitis-acne-pustulosis-hyperostosis-osteitis-sapho-syndrome-presenting-with-osteomyelitis-of-the-clavicle
#7
Chetan Sharma, Brian Chow
Synovitis-acne-pustulosis-hyperostosis-osteitis (SAPHO) syndrome is considered after exclusion of infection and arthritis; however, microbial infection may be present in osteoarticular lesions of these patients. Chronic osteomyelitis and associated bacterial infection were detected in a recurrent osteoarticular lesion in an adolescent patient with a history of clavicle pain, who complained of recurrent swelling in the left clavicle. Most pediatric case reports of SAPHO syndrome describe patients with associated skin conditions...
June 2017: WMJ: Official Publication of the State Medical Society of Wisconsin
https://www.readbyqxmd.com/read/29319256/myopathy-effect-of-vitamin-d-deficiency-beyond-bones
#8
Kavita J Rawat, Nilakshi H Sabnis, Udit Saraf, Gaurav Surana
Vitamin D functions as a vitamin as well as a hormone. Its major skeletal actions are complemented by varied extra-skeletal functions. During the past decade, association between Vitamin D and its role in various non-skeletal morbidities have been recognized. It plays a role in decreasing the risk of many chronic illnesses like allergies, asthma, autoimmune diseases, diabetes, cancers, infections and cardiovascular disease. We report the case of a middle aged female with chronic quadriparesis and new onset anemia associated with Vitamin D deficiency...
October 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29306638/rectus-abdominis-detrusor-myoplasty-radm-for-acontractile-hypocontractile-bladder-in-spinal-cord-injury-patients-preliminary-report
#9
Pawan Agarwal, Shabbir Husain, Sudesh Wankhede, D Sharma
BACKGROUND: Urinary bladder dysfunction in the form of acontractile/hypocontractile bladder is very common after spinal cord injury and it may lead to recurrent urinary tract infection (UTI), stones formation, and deteriorating renal function. Conventionally, these patients evacuate their bladders by life-long clean intermittent catheterization (CIC) or an indwelling catheter (IC). For these patients, another option is to use innervated skeletal muscle wrap around the bladder to augment detrusor function and voluntary evacuation of bladder...
December 14, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29304309/susceptibility-of-zebrafish-to-vesicular-stomatitis-virus-infection
#10
Jorge Guerra-Varela, Maite Baz-Martínez, Sabela Da Silva-Álvarez, Ana Paula Losada, María Isabel Quiroga, Manuel Collado, Carmen Rivas, Laura Sánchez
The zebrafish, Danio rerio, has become recognized as a valuable model for infectious diseases. Here we evaluated the susceptibility of zebrafish to be infected with the mammalian vesicular stomatitis virus (VSV). Both zebrafish cells and embryos were highly susceptible to VSV infection. Mortalities exceeded 80% in infected embryos and were preceded by the invasion of the central nervous system by VSV. Live imaging of the infection with GFP-VSV as well as virus titration from infected fish confirmed the viral replication...
January 5, 2018: Zebrafish
https://www.readbyqxmd.com/read/29297835/microsporidiosis-in-peppermint-shrimp-decapoda-hippolytidae-lysmata-spp
#11
Elise E B LaDouceur, Brian G Murphy
Microsporidia are a diverse, parasitic phylum closely related to fungi. They infect a broad range of host species and tissues. This report describes microsporidiosis infection in a captive, wild-caught peppermint shrimp ( Lysmata spp.). The animal was found dead in its enclosure approximately 5 days after molting. Grossly, the skeletal musculature was diffusely swollen, opaque, and pale tan to white. Histologically, skeletal myofibers were replaced by large aggregates of sporophorous vesicles containing up to eight spores and earlier stages of sporogony...
December 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29295881/frequency-morbidity-and-mortality-of-bone-metastases-in-advanced-hepatocellular-carcinoma
#12
James J Harding, Ghaith Abu-Zeinah, Joanne F Chou, Dwight Hall Owen, Michele Ly, Maeve Aine Lowery, Marinela Capanu, Richard Do, Nancy E Kemeny, Eileen M O'Reilly, Leonard B Saltz, Ghassan K Abou-Alfa
Background: Bone metastases are common in hepatocellular carcinoma (HCC), but their incidence, morbidity, and mortality are not well defined. Methods: The Memorial Sloan Kettering Cancer Center database was queried for all patients with HCC and metastases seen from 2002 to 2014. The prevalence of bone metastasis was determined and cumulative incidence function was used to estimate the probability of developing a bone metastasis. Regression models were created to identify risk factors for osseous metastasis...
January 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29295590/proposal-of-a-novel-natural-biomaterial-the-scleral-ossicle-for-the-development-of-vascularized-bone-tissue-in-vitro
#13
Marta Checchi, Jessika Bertacchini, Giulia Grisendi, Alberto Smargiassi, Antonella Sola, Massimo Messori, Carla Palumbo
Recovering of significant skeletal defects could be partially abortive due to the perturbations that affect the regenerative process when defects reach a critical size, thus resulting in a non-healed bone. The current standard treatments include allografting, autografting, and other bone implant techniques. However, although they are commonly used in orthopedic surgery, these treatments have some limitations concerning their costs and their side effects such as potential infections or malunions. On this account, the need for suitable constructs to fill the gap in wide fractures is still urgent...
December 25, 2017: Biomedicines
https://www.readbyqxmd.com/read/29285334/bisphosphonates-therapy-in-children-with-osteogenesis-imperfecta-clinical-experience-in-oral-surgery
#14
G Ierardo, M Bossù, G D'Angeli, M Celli, G Sfasciotti
Objectives: To define the possible complications of oral surgery in childhood in patients affected by type 1 Osteogenesis imperfecta (OI) and treated with bisphosphonates (BP). Methods: The study was conducted among 20 patients in childhood with an age range 8-14 (12 ♂ e 8 ♀) affected by OI. Patients were initially evaluated at the Policlinico Umberto I, University Hospital of Rome, Rare Disease Center Skeletal Dysplasia-Bone Metabolic Pathologies and after at the Policlinico Umberto I, University Hospital of Rome, Head and Neck Department, UOC Pediatric Dentistry...
July 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29282687/metabolic-changes-during-cancer-cachexia-pathogenesis
#15
Ng Shyh-Chang
Wasting of adipose tissue and skeletal muscle is a hallmark of metastatic cancer and a major cause of death. Like patients with cachexia caused by other chronic infections or inflammatory diseases, the cancer subject manifests both malnutrition and metabolic stress. Both carbohydrate utilization and amino acid incorporation are decreased in the muscles of cancer cachexia patients. Cancer cells affect host metabolism in two ways: (a) their own metabolism of nutrients into other metabolites and (b) circulating factors they secrete or induce the host to secrete...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29282065/pulmonary-edema-following-central-nervous-system-lesions-induced-by-a-non-mouse-adapted-ev71-strain-in-neonatal-balb-c-mice
#16
Yuefei Jin, Chao Zhang, Rongguang Zhang, Jingchao Ren, Shuaiyin Chen, Meili Sui, Guangyuan Zhou, Dejian Dang, Jiehui Zhu, Huifen Feng, Yuanlin Xi, Haiyan Yang, Guangcai Duan
BACKGROUND: Enterovirus (EV) infection has been a serious health issue in Asia-Pacific region. It has been indicated that the occurrence of fatal hand foot and mouth disease (HFMD) cases following EV71 infection is mainly attributed to pulmonary edema. However, the development of pulmonary disorders after EV71 infection remains largely unknown. To establish an EV71-infected animal model and further explore the underlying association of central nervous system (CNS) invasion with pulmonary edema, we isolated a clinical source EV71 strain (ZZ1350) from a severe case in Henan Province...
December 28, 2017: Virology Journal
https://www.readbyqxmd.com/read/29274860/primary-pyomyositis-in-children
#17
M M Elzohairy
BACKGROUND: Pyomyositis PM is defined as a primary pyogenic infection of the striated skeletal muscle; although it has many dystrophic musculoskeletal complications, it is always misdiagnosed by many orthopedic surgeons. HYPOTHESIS: PM is rare in temperate climates and usually considered to be a tropical disease, until recent times, after globalization, it is possible to occur in the subtropical climate as in our country. MATERIAL AND METHODS: In the present series, the results of 15 children patients with primary pyomyositis have been reviewed...
December 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29262476/-short-stature-optic-nerve-atrophy-and-pelger-hu%C3%A3-t-anomaly-syndrome-with-antibody-immunodeficiency-and-aplastic-anemia-a-case-report-and-literature-review
#18
T Y He, N Zhang, Y Xia, Y Luo, C R Li, J Yang
Objective: To investigate the clinical features and genetic characteristics of cases with NBAS gene defects. Method: Characteristics of clinical materials, immunological data and gene mutation of the first case in China with NBAS gene mutation were retrospectively analyzed. The related literature was searched by using search terms'NBAS'. Result: A 2-year-four-month old girl, was admitted due to 'fever and pallor for one day'. There was an intrauterine growth retardation at her fetal stage. Since her birth, she had suffered from recurrent infections and development delay was accompanied by persistent liver dysfunction...
December 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29258830/trichinella-spiralis-muscle-larvae-excretory-secretory-products-induce-changes-in-cytoskeletal-and-myogenic-transcription-factors-in-primary-myoblast-cultures
#19
Lizbeth Hernández-Ancheyta, María Del Rosario Salinas-Tobón, Juan Carlos Cifuentes-Goches, Javier Hernández-Sánchez
Trichinella spiralis infection in skeletal muscle culminates with nurse cell formation. The participation of excretory-secretory products of the muscle larvae (ML-ESP) has been implicated in this process through different studies performed in infected muscle and the muscle cell line C2C12. In this work, we developed primary myoblast cultures to analyze the changes induced by ML-ESP in muscle cells. Microarray analyses revealed expression changes in muscle cell differentiation, proliferation, cytoskeleton organization, cell motion, transcription, cell cycle, apoptosis and signaling pathways such as MAPK, Jak-STAT, Wnt and PI3K-Akt...
December 16, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/29258756/insulin-antagonises-pigment-epithelium-derived-factor-pedf-induced-modulation-of-lineage-commitment-of-myocytes-and%C3%A2-heterotrophic-ossification
#20
Revathy Carnagarin, Mina Elahy, Arun M Dharmarajan, Crispin R Dass
Extensive bone defects arising as a result of trauma, infection and tumour resection and other bone pathologies necessitates the identification of effective strategies in the form of tissue engineering, gene therapy and osteoinductive agents to enhance the bone repair process. PEDF is a multifunctional glycoprotein which plays an important role in regulating osteoblastic differentiation and bone formation. PEDF treatment of mice and human skeletal myocytes at physiological concentration inhibited myogenic differentiation and activated Erk1/2 MAPK- dependent osteogenic transdifferentiation of myocytes...
December 16, 2017: Molecular and Cellular Endocrinology
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