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https://www.readbyqxmd.com/read/28817419/the-association-of-fat-and-lean-tissue-with-whole-body-and-spine-bone-mineral-density-is-modified-by-hiv-status-and-sex-in-children-and-youth
#1
Denise L Jacobson, Jane C Lindsey, Brent A Coull, Kathleen Mulligan, Priya Bhagwat, Grace M Aldrovandi
BACKGROUND: HIV-infected (HIV-pos) male children/youth showed lower bone mineral density at sexual maturity than HIV-uninfected (HIV-neg) females. It is not known whether complications of HIV disease, including abnormal body fat distribution, contribute to lower bone accrual in male HIV-pos adolescents. METHODS: In a cross-sectional study, we evaluated the relationship between body composition (fat and lean mass) and bone mass in HIV-pos and HIV-neg children/youth and determined if it is modified by HIV status and sex...
August 16, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28817367/nutrition-implications-for-long-term-survivors-of-pancreatic-cancer-surgery
#2
Maria Q B Petzel, Leah Hoffman
With slowly increasing survival rates in pancreatic cancer and international consensus guidelines recommending surgical resection of premalignant lesions, survival post-pancreatic resection is increasing. With longer survival time, the significant comorbidities of such major surgery have far-reaching effects on the nutrition status of the survivor of pancreatic cancer. This review describes the many nutrition-related side effects of pancreatic surgery, including the development of pancreatic enzyme insufficiency, micronutrient deficiencies, diabetes, fatty liver, and metabolic bone disease...
August 1, 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28817182/centralized-patient-reported-outcome-data-collection-in-transplantation-is-feasible-and-clinically-meaningful
#3
Bronwen E Shaw, Ruta Brazauskas, Heather R Millard, Rachel Fonstad, Kathryn E Flynn, Amy Abernethy, Jenny Vogel, Charney Petroske, Deborah Mattila, Rebecca Drexler, Stephanie J Lee, Mary M Horowitz, J Douglas Rizzo
BACKGROUND: Allogeneic hematopoietic cell transplantation (HCT) cures many patients, but often with the risk of late effects and impaired quality of life. The value of quantifying patient-reported outcomes (PROs) is increasingly being recognized, but the routine collection of PROs is uncommon. This study evaluated the feasibility of prospective PRO collection by an outcome registry at multiple time points from unselected HCT patients undergoing transplantation at centers contributing clinical data to the Center for International Blood and Marrow Transplant Research (CIBMTR), and then it correlated the PRO data with clinical and demographic data...
August 17, 2017: Cancer
https://www.readbyqxmd.com/read/28817116/total-tanshinones-exhibits-anti-inflammatory-effects-through-blocking-tlr4-dimerization-via-the-myd88-pathway
#4
Hongwei Gao, Xin Liu, Wen Sun, Naixin Kang, Yanli Liu, Shilin Yang, Qiong-Ming Xu, Chunming Wang, Xiuping Chen
Tanshinones belong to a group of lipophilic constituents of Salvia miltiorrhiza Bunge (Danshen), which is widely used in traditional Chinese medicine. A deluge of studies demonstrated that tanshinones exert anti-inflammatory effects, but the underlying mechanisms remain unclear to date. This study investigated the anti-inflammatory effects and mechanisms of total tanshinones (TTN). TTN suppressed the expression of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) and the secretion of TNF-α, IL-6, and IL-1β in RAW264...
August 17, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28816988/relationship-between-serum-adipokine-levels-and-radiographic-progression-in-patients-with-ankylosing-spondylitis-a-preliminary-2-year-longitudinal-study
#5
Ji-Heh Park, Seung-Geun Lee, Yun-Kyung Jeon, Eun-Kyoung Park, Young-Sun Suh, Hyun-Ok Kim
The immunomodulatory effects of adipokines have been extensively studied in rheumatic diseases, and there is a paucity of information regarding their effects on bone metabolism.The aim of this study was to investigate the relationships between serum adipokines levels and radiographic progression over 2 years in patients with ankylosing spondylitis (AS).In this preliminary longitudinal study, we prospectively recruited 20 consecutive male patients with AS and 11 gender- and age-matched healthy subjects. At the baseline and 2-year follow-up, serum adiponectin, leptin, resistin, tumor necrosis factor-alpha (TNF-α), interleukin (IL)-6, and Dickkopf-1(DKK-1) levels were measured in AS patients using enzyme-linked immunosorbent assays; these measurements were only performed at the baseline for healthy controls...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816975/incidence-and-risk-factors-of-posterior-cage-migration-following-decompression-and-instrumented-fusion-for-degenerative-lumbar-disorders
#6
Hua Li, Hui Wang, Yanbo Zhu, Wenyuan Ding, Qian Wang
The aim of this study was to explore the incidence and risk factors for posterior cage migration (PCM) following decompression and instrumented fusion for degenerative lumbar disorders, and hope to provide references in decision making and surgical planning for spine surgeons.By retrieving the medical records from January 2011 to December 2015, 286 patients were retrospectively reviewed. According to the occurrence of PCM, patients were divided into 2 groups: PCM group and non-PCM (N-PCM). To investigate risk values for PCM, 3 categorized factors were analyzed statistically: patient characteristics: age, sex, body mass index, bone mineral density, duration of disease, diagnosis, comorbidity, smoke; surgical variables: surgery time, blood loss, surgical strategy, cage morphology, cage size, surgical segment, fusion number, source of bone graft, surgeon experience; radiographic parameters: preoperative lumbar lordosis, correction of lumbar lordosis, preoperative lumbar mobility, preoperative intervertebral height, change of intervertebral height, Modic changes, paraspinal muscle degeneration...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816972/low-second-to-fourth-digit-ratio-in-dupuytren-disease
#7
Takuya Yokoi, Takuya Uemura, Kenichi Kazuki, Ema Onode, Kosuke Shintani, Mitsuhiro Okada, Hiroaki Nakamura
The ratio of the lengths of the second and fourth digits (2D:4D) has been described as reflecting endogenous prenatal androgen exposure. In general, 2D:4D is lower in men than in women and has potential as a biomarker or predictor for various diseases, athletic ability, and academic performance. Dupuytren disease has digital flexion contractures and is known to predominate in men, but the pathogenesis of the disease remains unclear. To clarify the relationships between Dupuytren disease and endogenous androgens, we performed a retrospective analysis of hand radiographs to investigate 2D:4D in Dupuytren disease...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816960/successful-open-reduction-and-internal-fixation-for-displaced-femoral-fracture-in-a-patient-with-osteopetrosis-case-report-and-lessons-learned
#8
Jiangfa Huang, Jianke Pan, Mingtao Xu, Shuchai Xu
RATIONALE: Osteopetrosis is a rare disease that predominantly occurs in descendants of inbreeding families. In the case of fractures happen in patients with osteopetrosis, the choice between operative or conservative treatment is still controversial. Open reduction and internal fixation (ORIF) is a conventional treatment for fractures, and it possesses more applicability than conservative treatment. During this surgical treatment, ensure that bone union in the right way is pivotal to success and simultaneously prevents refracture and displacement after the operation...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816285/-expression-of-cxcl16-cxcr6-in-fibroblast-like-synoviocytes-in-rheumatoid-arthritis-and-its-role-in-synoviocyte-proliferation
#9
X Zhang, J X Zhao, L Sun, X Y Liu
OBJECTIVE: It has been found that serum CXCL16 concentration in rheumatoid arthritis (RA) patients are significantly higher than those in osteoarthritis (OA) and normal subjects, and are positively correlated with disease activity and bone erosion. However, how is CXCL16 involved in the pathogenesis of RA is unclear. To evaluate the expression of CXCL16 and its receptor CXCR6 in fibroblast-like synoviocytes (FLS) of rheumatoid arthritis (RA) patients, and to explore the role of CXCL16 in the proliferation of RA-FLS...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816105/thiazolidinedione-drugs-in-the-treatment-of-type-2-diabetes-mellitus-past-present-and-future
#10
Melissa A Davidson, Donald R Mattison, Laurent Azoulay, Daniel Krewski
Thiazolidinedione (TZD) drugs used in the treatment of type 2 diabetes mellitus (T2DM) have proven effective in improving insulin sensitivity, hyperglycemia, and lipid metabolism. Though well tolerated by some patients, their mechanism of action as ligands of peroxisome proliferator-activated receptors (PPARs) results in the activation of several pathways in addition to those responsible for glycemic control and lipid homeostasis. These pathways, which include those related to inflammation, bone formation, and cell proliferation, may lead to adverse health outcomes...
August 17, 2017: Critical Reviews in Toxicology
https://www.readbyqxmd.com/read/28815760/impact-microindentation-consistency-of-serial-measurements-and-alterations-in-patients-with-paget-s-disease-of-the-tibia
#11
Frank Malgo, Neveen A T Hamdy, Socrates E Papapoulos, Natasha M Appelman-Dijkstra
Impact microindentation is a new technique for the in vivo measurement of tissue-level properties of cortical bone in humans. To address issues related to the proper application of IMI in clinical practice and to directly examine cortical bone properties in patients with tibia pathology, we studied 11 subjects without tibia pathology and 9 patients with Paget's disease of the tibia in biochemical remission after bisphosphonate treatment. Serial indentations in the tibiae of both legs were performed in all subjects by a single operator until 10 adequate measurements were obtained in each tibia...
August 16, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28815553/osteoporosis-in-erythropoietic-protoporphyria-patients
#12
M Biewenga, R H S Matawlie, E C H Friesema, H Koole-Lesuis, M Langeveld, J H P Wilson, J G Langendonk
BACKGROUND: Erythropoietic protoporphyria is a rare metabolic disease with painful photosensitivity due to protoporphyrin IX accumulation, resulting in lifelong light avoidance behaviour. OBJECTIVES: The aim of this study was to evaluate bone mineral density and known osteoporosis risk factors in erythropoietic protoporphyria patients. METHODS: In this cross-sectional study all erythropoietic protoporphyria patients attending the Erasmus MC outpatient clinic that had undergone bone mineral density measurements were included...
August 17, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28815481/gene-delivery-approaches-for-mesenchymal-stem-cell-therapy-strategies-to-increase-efficiency-and-specificity
#13
REVIEW
Gopi Suresh Oggu, Shyama Sasikumar, Nirosha Reddy, Kranthi Kiran Reddy Ella, Ch Mohan Rao, Kiran Kumar Bokara
A significant number of clinical trials have been undertaken to explore the use of mesenchymal stem cells (MSCs) for the treatment of several diseases such as Crohn's disease, diabetes, bone defects, myocardial infarction, stroke etc., Due to their efficiency in homing to the tissue injury sites, their differentiation potential, the capability to secrete a large amount of trophic factors and their immunomodulatory effects, MSCs are becoming increasingly popular and expected to be one of the promising therapeutic approaches...
August 16, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28815364/long-bone-mesenchymal-stem-cells-lb-mscs-clinically-reliable-cells-for-osteo-diseases
#14
Shirin Toosi, Hojjat Naderi-Meshkin, Fatemeh Kalalinia, Mohammad Taghi Pievandi, Hossein Hosseinkhani, Ahmad Reza Bahrami, Asieh Heirani-Tabasi, Mahdi Mirahmadi, Javad Behravan
Mesenchymal stem cells (MSCs) have been designated as the most reliable cells in clinics to treat osteo-diseases because of their versatile nature. MSCs, isolated from long bone (Lb-MSCs) are rarely reported and named as RIA-MSCs because of the reamer-irrigator-aspirator (RIA) device. The potential of these cells in the treatment of non-union bone fractures made them the ideal candidates to be studied for clinical practices. In this work, effect of cryopreservation on the proliferation and differentiation capabilities of long bone MSCs (Lb-MSCs) has been studied...
August 16, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28815357/carbon-fiber-reinforced-peek-fixation-system-in-the-treatment-of-spine-tumors-a-preliminary-report
#15
Stefano Boriani, Giuseppe Tedesco, Lu Ming, Riccardo Ghermandi, Maurizio Amichetti, Piero Fossati, Marco Krengli, Loredana Mavilla, Alessandro Gasbarrini
BACKGROUND: Protocols including combination of surgery and radiotherapy are more and more frequent in the treatment of bone tumors of the spine. In metastatic disease, combination of surgery and radiotherapy is since long time accepted, as based on clinical evidence. In primary tumors, combination of surgery and radiotherapy can be considered in all the cases in which a satisfactory oncological margin cannot be achieved: high-grade malignancies, recurrent tumors, huge tumors expanding in an extracompartimental area, and when tumor-free margin requires unacceptable functional sacrifices...
August 16, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28815162/clinical-application-of-ceramics-in-anterior-cervical-discectomy-and-fusion-a-review-and-update
#16
REVIEW
Shayan Abdollah Zadegan, Aidin Abedi, Seyed Behnam Jazayeri, Hirbod Nasiri Bonaki, Alexander R Vaccaro, Vafa Rahimi-Movaghar
STUDY DESIGN: Narrative review. OBJECTIVES: Anterior cervical discectomy and fusion (ACDF) is a reliable procedure, commonly used for cervical degenerative disc disease. For interbody fusions, autograft was the gold standard for decades; however, limited availability and donor site morbidities have led to a constant search for new materials. Clinically, it has been shown that calcium phosphate ceramics, including hydroxyapatite (HA) and tricalcium phosphate (TCP), are effective as osteoconductive materials and bone grafts...
June 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28815098/osteoblastic-metastases-mimickers-on-contrast-enhanced-ct
#17
Fahad Al-Lhedan, Sam Samaan, Wanzhen Zeng
Secondary osseous involvement in lymphoma is more common compared to primary bone lymphoma. The finding of osseous lesion can be incidentally discovered during the course of the disease. However, osseous metastases are infrequently silent. Detection of osseous metastases is crucial for accurate staging and optimal treatment planning of lymphoma. The aim of imaging is to identify the presence and extent of osseous disease and to assess for possible complications such as pathological fracture of the load-bearing bones and cord compression if the lesion is spinal...
2017: Case Reports in Radiology
https://www.readbyqxmd.com/read/28814886/a-practical-guide-to-the-handling-and-administration-of-talimogene-laherparepvec-in-europe
#18
REVIEW
Kevin J Harrington, Olivier Michielin, Josep Malvehy, Isabella Pezzani Grüter, Lorna Grove, Anna Lisa Frauchiger, Reinhard Dummer
Talimogene laherparepvec is a herpes simplex virus-1-based intralesional oncolytic immunotherapy and is the first oncolytic virus to be approved in Europe. It is indicated for the treatment of adults with unresectable melanoma that is regionally or distantly metastatic (stage IIIB, IIIC, and IVM1a) with no bone, brain, lung, or other visceral disease. Talimogene laherparepvec is a genetically modified viral therapy, and its handling needs special attention due to its deep freeze, cold-chain requirements, its potential for viral shedding, and its administration by direct intralesional injection...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28814814/umbilical-cord-extracts-improve-diabetic-abnormalities-in-bone-marrow-derived-mesenchymal-stem-cells-and-increase-their-therapeutic-effects-on-diabetic-nephropathy
#19
Kanna Nagaishi, Yuka Mizue, Takako Chikenji, Miho Otani, Masako Nakano, Yusaku Saijo, Hikaru Tsuchida, Shinichi Ishioka, Akira Nishikawa, Tsuyoshi Saito, Mineko Fujimiya
Bone marrow-derived mesenchymal stem cells (BM-MSC) has been applied as the most valuable source of autologous cell transplantation for various diseases including diabetic complications. However, hyperglycemia may cause abnormalities in intrinsic BM-MSC which might lose sufficient therapeutic effects in diabetic patients. We demonstrated the functional abnormalities in BM-MSC derived from both type 1 and type 2 diabetes models in vitro, which resulted in loss of therapeutic effects in vivo in diabetic nephropathy (DN)...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814763/spatial-genomic-heterogeneity-in-multiple-myeloma-revealed-by-multi-region-sequencing
#20
L Rasche, S S Chavan, O W Stephens, P H Patel, R Tytarenko, C Ashby, M Bauer, C Stein, S Deshpande, C Wardell, T Buzder, G Molnar, M Zangari, F van Rhee, S Thanendrarajan, C Schinke, J Epstein, F E Davies, B A Walker, T Meissner, B Barlogie, G J Morgan, N Weinhold
In multiple myeloma malignant plasma cells expand within the bone marrow. Since this site is well-perfused, a rapid dissemination of "fitter" clones may be anticipated. However, an imbalanced distribution of multiple myeloma is frequently observed in medical imaging. Here, we perform multi-region sequencing, including iliac crest and radiology-guided focal lesion specimens from 51 patients to gain insight into the spatial clonal architecture. We demonstrate spatial genomic heterogeneity in more than 75% of patients, including inactivation of CDKN2C and TP53, and mutations affecting mitogen-activated protein kinase genes...
August 16, 2017: Nature Communications
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