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https://www.readbyqxmd.com/read/27906437/vitamin-d-receptor-polymorphisms-as-tool-for-early-screening-of-severe-bone-loss-in-women-patients-with-rheumatoid-arthritis
#1
G Di Spigna, A Del Puente, B Covelli, E Abete, E Varriale, S Salzano, L Postiglione
OBJECTIVE: Rheumatoid Arthritis (RA) is an autoimmune inflammatory disease that leads to local and systemic arthritis and bone loss. Exploring genetic markers of candidate genes in osteoporosis and inflammatory cytokine genes could be a useful tool for the early identification of bone loss and fracture risk in RA patients. The target of this study is the evaluation and correlation between of Single Nucleotide Polymorphisms (SNPs) of Vitamin D Receptor (VDR) and possible effects on bone loss in RA...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27906175/impaired-haematopoietic-stem-cell-differentiation-and-enhanced-skewing-towards-myeloid-progenitors-in-aged-caspase-2-deficient-mice
#2
Swati Dawar, Nur Hezrin Shahrin, Nikolina Sladojevic, Richard J D'Andrea, Loretta Dorstyn, Devendra K Hiwase, Sharad Kumar
The apoptotic cysteine protease caspase-2 has been shown to suppress tumourigenesis in mice and its reduced expression correlates with poor prognosis in some human malignancies. Caspase-2-deficient mice develop normally but show ageing-related traits and, when challenged by oncogenic stimuli or certain stress, show enhanced tumour development, often accompanied by extensive aneuploidy. As stem cells are susceptible to acquiring age-related functional defects because of their self-renewal and proliferative capacity, we examined whether loss of caspase-2 promotes such defects with age...
December 1, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27905395/outside-in-integrin-signalling-regulates-haematopoietic-stem-cell-function-via-periostin-itgav-axis
#3
Satish Khurana, Sarah Schouteden, Javed K Manesia, Albert Santamaria-Martínez, Joerg Huelsken, Adam Lacy-Hulbert, Catherine M Verfaillie
Integrins play an important role in haematopoietic stem cell (HSC) maintenance in the bone marrow niche. Here, we demonstrate that Periostin (Postn) via interaction with Integrin-αv (Itgav) regulates HSC proliferation. Systemic deletion of Postn results in peripheral blood (PB) anaemia, myelomonocytosis and lymphopenia, while the number of phenotypic HSCs increases in the bone marrow. Postn(-/-) mice recover faster from radiation injury with concomitant loss of primitive HSCs. HSCs from Postn(-/-) mice show accumulation of DNA damage generally associated with aged HSCs...
December 1, 2016: Nature Communications
https://www.readbyqxmd.com/read/27905287/hemophagocytic-syndrome-due-to-leishmania-infection-diagnosed-with-immunofluorescence-antibody-test
#4
Hakan Sarbay, Yasemin Işık Balcı, Selin Güler, Meral Türk, Mehmet Akın, Aziz Polat
Leishmaniasis is a reticuloendothelial system disease that mostly observed before the age of 5. Visceral infection causes long-standing fever, weight loss, weakness, pancytopenia, and hepatosplenomegaly. Leishmania infantum is responsible for visceral leishmaniasis (VL) in Turkey. We present a case of hemophagocytic syndrome due to Leishmania infection diagnosed with an immunofluorescence antibody test (IFAT). Leishmania amastigotes were not observed on bone marrow aspiration. We consider that IFAT is very important for parasite detection in the diagnosis of VL in children, particularly when amastigotes are not obtained on bone marrow aspiration...
September 2016: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/27905206/long-term-benefit-of-bone-anchored-hearing-systems-in-single-sided-deafness
#5
Martin Kompis, Wilhelm Wimmer, Marco Caversaccio
CONCLUSION: Bone Anchored Hearing Systems (BAHS) can be expected to still be used by ∼85% of patients with single sided deafness (SSD) 5 years after implantation, and by ∼50% after 10 years. OBJECTIVES: To investigate the long-term use of BAHS and the reasons to stop. METHOD: This was a retrospective chart review of all 33 German speaking adults with SSD who had been implanted with a BAHS at one center and of whom the implant status and use of the BAHS were known...
December 1, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27904822/targeted-sequencing-approach-to-identify-genetic-mutations-in-nasu-hakola-disease
#6
Jun-Ichi Satoh, Motoaki Yanaizu, Youhei Tosaki, Kenji Sakai, Yoshihiro Kino
Nasu-Hakola disease (NHD) is a rare autosomal recessive disorder characterized by sclerosing leukoencephalopathy and multifocal bone cysts, caused by a loss-of-function mutation of either TYROBP (DAP12) or TREM2. TREM2 and DAP12 constitute a receptor/adaptor signaling complex expressed exclusively on osteoclasts, dendritic cells, macrophages, and microglia. Premortem molecular diagnosis of NHD requires genetic analysis of both TYROBP and TREM2, in which 20 distinct NHD-causing mutations have been reported. Due to genetic heterogeneity, it is often difficult to identify the exact mutation responsible for NHD...
November 2016: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/27904503/stem-cell-ophthalmology-treatment-study-scots-bone-marrow-derived-stem-cells-in-the-treatment-of-leber-s-hereditary-optic-neuropathy
#7
Jeffrey N Weiss, Steven Levy, Susan C Benes
The Stem Cell Ophthalmology Treatment Study (SCOTS) is currently the largest-scale stem cell ophthalmology trial registered at ClinicalTrials.gov (identifier: NCT01920867). SCOTS utilizes autologous bone marrow-derived stem cells (BMSCs) to treat optic nerve and retinal diseases. Treatment approaches include a combination of retrobulbar, subtenon, intravitreal, intra-optic nerve, subretinal, and intravenous injection of autologous BMSCs according to the nature of the disease, the degree of visual loss, and any risk factors related to the treatments...
October 2016: Neural Regeneration Research
https://www.readbyqxmd.com/read/27904218/core-decompression-or-quadratus-femoris-muscle-pedicle-bone-grafting-for-nontraumatic-osteonecrosis-of-the-femoral-head-a-randomized-control-study
#8
Deqiang Li, Ming Li, Peilai Liu, Yuankai Zhang, Liang Ma, Fei Xu
BACKGROUND: The traditional management for osteonecrosis of the femoral head (ONFH) includes core decompression (CD) and quadratus femoris muscle pedicle bone graft (QF-MPBG). The aim of this study was to investigate the effects of CD and QF-MPBG on the patients with nontraumatic ONFH in an early stage. MATERIALS AND METHODS: 39 patients (47 hips) with ONFH in an early stage (Ficat Stage I or II) were randomly divided into two groups according to random number table method...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27904212/functional-outcome-after-primary-hemiarthroplasty-in-three-or-four-part-proximal-humerus-fracture-a-short-term-followup
#9
Saurabh Agarwal, Ashish Rana, Rajeev K Sharma
BACKGROUND: Several modalities of treatment are being used for the management of proximal humerus fractures. Primary hemiarthroplasty in proximal humerus fracture is indicated in three or four part fracture or fracture dislocations. It is also indicated if fracture involves a large area of articular cartilage loss and viability of head is doubtful. We studied the functional outcome of hemiarthroplasty in comminuted proximal humerus fracture. MATERIALS AND METHODS: 29 patients of three or four part proximal humerus fractures, (according to Neer's classification) who underwent primary shoulder hemiarthroplasty were included in this retrospective study...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27904045/puerarin-prevents-lps-induced-osteoclast-formation-and-bone-loss-via-inhibition-of-akt-activation
#10
Yun Zhang, Ming Yan, Qing-Feng Yu, Pei-Fan Yang, Hai-Dong Zhang, Yong-Hong Sun, Zhi-Fen Zhang, Yun-Feng Gao
Osteolysis induced by chronic Gram-negative bacterial infection underlies many bone diseases such as osteomyelitis, septic arthritis, and periodontitis. Drugs that inhibit lipopolysaccharide (LPS)-induced osteolysis are critically needed for the prevention of bone destruction in infective bone diseases. In this study, we assessed the effect of puerarin, a natural isoflavone isolated from Pueraria lobata OHWI root, on LPS-induced osteoclastogenesis and bone loss. Our in vitro study showed that puerarin significantly inhibited LPS-induced osteoclast differentiation from osteoclast precursor RAW264...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27903481/hybrid-repair-of-complex-left-subclavian-artery-injury-with-partial-transection-and-complete-thrombosis-in-an-unstable-patient-following-blunt-trauma
#11
Ilitch Diaz-Gutierrez, Muhammad A Rana, Barkat Ali, John M Marek, Mark Langsfeld
Blunt subclavian artery injuries are rare and are associated with high morbidity and mortality. Several case reports have suggested that endovascular repair is safe with short operative times and minimal blood loss. We report a case of a 20-year-old male patient involved in a high speed motor vehicle collision that resulted in partial transection of left subclavian artery with complete luminal thrombosis. Patient also had a left main-stem bronchus avulsion along with major intra-abdominal injuries and multiple spine and long bone fractures...
November 26, 2016: Annals of Vascular Surgery
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
#12
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/27903084/assessment-of-corticosteroid-related-quality-of-care-measures-for-uc-and-cd-in-the-united-states-a-claims-data-analysis
#13
David T Rubin, Haridarshan Patel, Sherry Shi, Reema Mody
OBJECTIVE: To evaluate corticosteroid (CS)-related quality of care indicators in patients with ulcerative colitis (UC) and Crohn's disease (CD) in the US. METHODS: Adults diagnosed with UC or CD and prescription fills for an oral CS were identified from a large commercial US claims database (2005- 2013). Quality indicators included prolonged CS use (≥60 days), use of CS-sparing therapy, and bone loss assessment. State-level variations in quality of care indicators were estimated using logistic regression models adjusting for age, gender, insurance plan type, and CD severity...
December 1, 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27903019/osteochondroma-presenting-as-a-calcified-mass-in-the-sellar-region-and-review-of-the-literature
#14
Kazuya Sekiguchi, Satoshi Tsutsumi, Sho Arai, Senshu Nonaka, Takamoto Suzuki, Hisato Ishii, Hiroshi Izumi, Yukimasa Yasumoto
Objective Osteochondroma (OC) is the most common benign bone neoplasm. It infrequently occurs in the cranial cavity as a calcified lesion and very rarely presents in the sellar region. The present study summarizes the knowledge about OCs of the sellar region. Methods We searched the literature search for the clinical appearance of OCs and other calcified pathologies occurring in the sellar region. Results A total of 21 English-language articles published from 1961 to 2015 documented cases of calcified lesions in the sellar region including cerebral aneurysm, chondroid chordoma, chondroma, craniopharyngioma, OC, odontome, osteoma, pituitary adenoma, pituitary stone, Rathke cleft cyst, retinoblastoma, schwannoma, and xanthogranuloma...
November 30, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27901312/female-white-footed-mice-peromyscus-leucopus-trade-off-offspring-skeletal-quality-for-self-maintenance-when-dietary-calcium-intake-is-low
#15
Christina M Schmidt, Wendy R Hood
During gestation and lactation in mammals, calcium and other minerals are transferred from female to offspring to support skeletal ossification. To meet mineral requirements, females commonly mobilize mineral from their own skeleton to augment dietary intake. Because the fitness costs of bone loss are expected to limit the amount of endogenous mineral that females transfer to their young, the amount of mineral allocated to offspring is predicted to be influenced by the availability of mineral in the female's diet...
November 30, 2016: Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology
https://www.readbyqxmd.com/read/27900710/customized-tantalum-augmented-reverse-shoulder-arthroplasty-for-glenoid-bone-defect-and-excessive-medialization-description-of-the-technique
#16
Nicola Ivaldo, Tony Mangano, Giovanni Caione, Mario Rossoni, Angelo Ligas
BACKGROUND: Glenoid bone defect and excessive medialization could represent challenging issues during reverse shoulder arthroplasty, especially in the setting of revision surgery. Although a solution is offered by the Boileau's BIO-RSA technique in primary cases, only autologous iliac crest bone graft and homologous graft from bone banks are available for revision surgeries, with known disadvantages and risk of graft resorption and implant failure. MATERIALS AND METHODS: We describe in this work a new technique based on a customized porous tantalum device to be used in salvage situations, aimed at lateralization of the glenoid component of a reverse shoulder arthroplasty...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900426/the-lumbar-spine-age-related-degenerative-disease-influences-the-bmd-not-the-tbs-the-osteolaus-cohort
#17
I Padlina, E Gonzalez-Rodriguez, D Hans, M Metzger, D Stoll, B Aubry-Rozier, O Lamy
: We evaluated the influence of degenerative disease and fractured vertebra on lumbar spine bone mineral density (BMD) and trabecular bone score (TBS) in 1500 women aged 50-80 years. TBS was not affected by a degenerative disease. While BMD increases after 62.5 years, TBS continues to decline. TBS should play a leading role in lumbar spine evaluation. INTRODUCTION: After menopause, lumbar spine (LS) BMD and TBS values decrease. Degenerative disease (DD) increases with age and affect LS BMD...
November 30, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27900365/genome-sequencing-in-a-case-of-niemann-pick-type-c
#18
Max Dougherty, John Lazar, Jason C Klein, Karina Diaz, Theodore Gobillot, Eli Grunblatt, Nicholas Hasle, Daniel Lawrence, Megan Maurano, Maria Nelson, Gregory Olson, Sanjay Srivatsan, Jay Shendure, C Dirk Keene, Thomas Bird, Marshall S Horwitz, Desiree A Marshall
Adult-onset Niemann-Pick disease type C (NPC) is an infrequent presentation of a rare neurovisceral lysosomal lipid storage disorder caused by autosomal recessive mutations in NPC1 (∼95%) or NPC2 (∼5%). Our patient was diagnosed at age 33 when he presented with a 10-yr history of difficulties in judgment, concentration, speech, and coordination. A history of transient neonatal jaundice and splenomegaly with bone marrow biopsy suggesting a lipid storage disorder pointed to NPC; biochemical ("variant" level cholesterol esterification) and ultrastructural studies in adulthood confirmed the diagnosis...
November 2016: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/27900256/arthroscopic-remplissage-for-moderate-size-hill-sachs-lesion
#19
Thomas C Alexander, Clint Beicker, John M Tokish
Humeral bone loss has been shown to be a risk factor for failure after arthroscopic treatment of instability. We present the arthroscopic remplissage technique originally described by Koo and Burkhart et al. with a modification in the percutaneous anchor placement and suture tying that is reproducible and effective. We percutaneously place 2 suture anchors, which require no additional suture passing across the tissue, to create a double pulley technique, filling the defect with posterior capsule and rotator cuff...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27900246/siga-peroxidase-and-collagenase-in-saliva-of-smokers-aggressive-periodontal-patients
#20
Myriam A Koss, Cecilia E Castro, Agustina M Gramajo, María E López
BACKGROUND: Tobacco smoking is strongly associated with destructive periodontal disease, alveolar bone loss and poor response to periodontal therapy. The aim of this study was to investigate the effect of smoking on antimicrobials and destructive proteins in the saliva of patients with generalized aggressive periodontal disease. MATERIAL AND METHODS: The study group consisted of 55 adult subjects. They were classified according to their clinical diagnoses either as having generalized aggressive periodontitis (n = 27; 13 smokers and 14 non-smokers) or as periodontitis-free control group (n = 28; 14 smokers and 14 non-smokers)...
November 2016: Journal of Oral Biology and Craniofacial Research
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