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https://www.readbyqxmd.com/read/28505102/bone-protective-effects-of-dried-plum-in-postmenopausal-women-efficacy-and-possible-mechanisms
#1
REVIEW
Bahram H Arjmandi, Sarah A Johnson, Shirin Pourafshar, Negin Navaei, Kelli S George, Shirin Hooshmand, Sheau C Chai, Neda S Akhavan
Osteoporosis is an age-related chronic disease characterized by a loss of bone mass and quality, and is associated with an increased risk of fragility fractures. Postmenopausal women are at the greatest risk of developing osteoporosis due to the cessation in ovarian hormone production, which causes accelerated bone loss. As the demographic shifts to a more aged population, a growing number of postmenopausal women will be afflicted with osteoporosis. Certain lifestyle factors, including nutrition and exercise, are known to reduce the risk of developing osteoporosis and therefore play an important role in bone health...
May 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28492130/osteogenesis-imperfecta-type-3-in-south-africa-causative-mutations-in-fkbp10
#2
Alvera Vorster, Peter Beighton, Manogari Chetty, Yasmeen Ganie, Bertram Henderson, Engela Honey, Piet Maré, David Thompson, Karen Fieggen, Denis Viljoen, Rajkumar Ramesar
BACKGROUND: A relatively high frequency of autosomal recessively inherited osteogenesis imperfecta (OI) type 3 (OI-3) is present in the indigenous black southern African population. Affected persons may be severely handicapped as a result of frequent fractures, progressive deformity of the tubular bones and spinal malalignment. OBJECTIVE: To delineate the molecular basis for the condition. METHODS: Molecular investigations were performed on 91 affected persons from seven diverse ethnolinguistic groups in this population...
April 25, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28470721/hox11-function-is-required-for-region-specific-fracture-repair
#3
Danielle R Rux, Jane Y Song, Kyriel M Pineault, Gurjit S Mandair, Ilea T Swinehart, Aleesa J Schlientz, Kayla N Garthus, Steve A Goldstein, Ken M Kozloff, Deneen M Wellik
The processes that govern fracture repair rely on many mechanisms that recapitulate embryonic skeletal development. Hox genes are transcription factors that perform critical patterning functions in regional domains along the axial and limb skeleton during development. Much less is known about roles for these genes in the adult skeleton. We recently reported that Hox11 genes, which function in zeugopod development (radius/ulna and tibia/fibula), are also expressed in the adult zeugopod skeleton exclusively in PDGFRα + /CD51 + /LepR+ mesenchymal stem/stromal cells (MSCs)...
May 4, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28463993/periploca-forrestii-saponin-ameliorates-cia-via-suppressing-proinflammatory-cytokines-and-nuclear-factor-kappa-b-pathways
#4
Chunmei Bao, Yingqin Liu, Xin Sun, Congcong Xing, Luting Zeng, Guangchen Sun
OBJECTIVE: Periploca forrestii Schltr has been used as a Chinese folk medicine for the treatment of rheumatism, arthralgia and fractures. However, the anti-arthritic activity of Periploca forrestii saponin (PFS) and the active compound has still not been revealed. This study aimed to investigate the protective effects and mechanisms of PFS on collagen type II (CII) collagen-induced arthritis (CIA) mice. We sought to investigate whether PFS and Periplocin could regulate osteoclastogenesis, and if so, further investigation on its mechanism of action...
2017: PloS One
https://www.readbyqxmd.com/read/28443251/partial-heel-pad-avulsion-with-open-calcaneal-tuberosity-fracture-with-tendo-achilles-rupture-a-case-report
#5
Shameem Ahmed, Syed Ifthekar, R Pathan Rameez Ahmed Khan, Rahul Ranjan
INTRODUCTION: The management of heel pad avulsion injuries has been challenging because of the precarious blood supply. The difficulties get compounded when it is associated with tendo-achilles rupture and calcaneal fracture. Here, it is a description of a case with the above features managed with a unique technique. CASE REPORT: A 63-year-old woman presented to casualty with injury to right ankle after a road traffic accident. On clinical and radiological examination, there was avulsion of heel pad with calcaneal tuberosity fracture and tendo-achilles rupture...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28436160/compound-heterozygous-mutations-in-col1a1-associated-with-an-atypical-form-of-type-i-osteogenesis-imperfecta
#6
Amanda M Ackermann, Michael A Levine
Heterozygous mutations in the genes encoding the proα1(I) or proα2(I) chains of type I procollagen (COL1A1 and COL1A2, respectively) account for most cases of osteogenesis imperfecta (OI), a disorder characterized by reduced bone strength and increased fracture risk. COL1A1 mutations can also cause rare cases of Ehlers-Danlos syndrome (EDS), a disorder that primarily affects connective tissue and often includes reduced bone mass. Here we present a kindred of three young siblings ages 1-4 years old whose mother has a history of mild type I OI...
April 24, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28422359/clinical-evaluation-of-indirect-particle-filled-composite-resin-cad-cam-partial-crowns-after-24-months
#7
Moritz Zimmermann, Christina Koller, Marcel Reymus, Albert Mehl, Reinhard Hickel
PURPOSE: Resin-based CAD/CAM compound materials might be promising for single-tooth restorations. Insufficient clinical data are available for this new material class. The purpose of this study was to describe initial clinical in vivo results for indirect particle-filled composite resin CAD/CAM restorations after 24 months. MATERIALS AND METHODS: Indirect particle-filled composite resin restorations were fabricated with a CAD/CAM method (CEREC Bluecam intraoral scanner, CEREC MCXL milling unit) by calibrated dental students...
April 19, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28403606/halogenated-organic-compounds-identified-in-hydraulic-fracturing-wastewaters-using-ultrahigh-resolution-mass-spectrometry
#8
Jenna L Luek, Philippe Schmitt-Kopplin, Paula J Mouser, William Tyler Petty, Susan D Richardson, Michael Gonsior
Large volumes of water return to the surface following hydraulic fracturing of deep shale formations to retrieve oil and natural gas. Current understanding of the specific organic constituents in these hydraulic fracturing wastewaters is limited to hydrocarbons and a fraction of known chemical additives. In this study, we analyzed hydraulic fracturing wastewater samples using ultrahigh resolution Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR-MS) as a nontargeted technique to assign unambiguous molecular formulas to singly charged molecular ions...
April 26, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28390010/vitamin-d-supplementation-in-the-prevention-and-management-of-major-chronic-diseases-not-related-to-mineral-homeostasis-in-adults-research-for-evidence-and-a-scientific-statement-from-the-european-society-for-clinical-and-economic-aspects-of-osteoporosis-and
#9
Luisella Cianferotti, Francesco Bertoldo, Heike A Bischoff-Ferrari, Olivier Bruyere, Cyrus Cooper, Maurizio Cutolo, John A Kanis, Jean-Marc Kaufman, Jean-Yves Reginster, Rene Rizzoli, Maria Luisa Brandi
INTRODUCTION: Optimal vitamin D status promotes skeletal health and is recommended with specific treatment in individuals at high risk for fragility fractures. A growing body of literature has provided indirect and some direct evidence for possible extraskeletal vitamin D-related effects. PURPOSE AND METHODS: Members of the European Society for Clinical and Economic Aspects of Osteoporosis and Osteoarthritis have reviewed the main evidence for possible proven benefits of vitamin D supplementation in adults at risk of or with overt chronic extra-skeletal diseases, providing recommendations and guidelines for future studies in this field...
April 7, 2017: Endocrine
https://www.readbyqxmd.com/read/28382112/the-role-of-vitamin-d-in-maintaining-bone-health-in-older-people
#10
REVIEW
Thomas R Hill, Terry J Aspray
This review summarises aspects of vitamin D metabolism, the consequences of vitamin D deficiency, and the impact of vitamin D supplementation on musculoskeletal health in older age. With age, changes in vitamin D exposure, cutaneous vitamin D synthesis and behavioural factors (including physical activity, diet and sun exposure) are compounded by changes in calcium and vitamin D pathophysiology with altered calcium absorption, decreased 25-OH vitamin D [25(OH)D] hydroxylation, lower renal fractional calcium reabsorption and a rise in parathyroid hormone...
April 2017: Therapeutic Advances in Musculoskeletal Disease
https://www.readbyqxmd.com/read/28376616/organic-pollutants-in-shale-gas-flowback-and-produced-waters-identification-potential-ecological-impact-and-implications-for-treatment-strategies
#11
Andrii Butkovskyi, Harry Bruning, Stefan A E Kools, Huub H M Rijnaarts, Annemarie P Van Wezel
Organic contaminants in shale gas flowback and produced water (FPW) are traditionally expressed as total organic carbon (TOC) or chemical oxygen demand (COD), though these parameters do not provide information on the toxicity and environmental fate of individual components. This review addresses identification of individual organic contaminants in FPW, and stresses the gaps in the knowledge on FPW composition that exist so far. Furthermore, the risk quotient approach was applied to predict the toxicity of the quantified organic compounds for fresh water organisms in recipient surface waters...
May 2, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28374428/ethical-considerations-of-triage-following-natural-disasters-the-idf-experience-in-haiti-as-a-case-study
#12
Efrat Ram-Tiktin
Natural disasters in populated areas may result in massive casualties and extensive destruction of infrastructure. Humanitarian aid delegations may have to cope with the complicated issue of patient prioritization under conditions of severe resource scarcity. A triage model, consisting of five principles, is proposed for the prioritization of patients, and it is argued that rational and reasonable agents would agree upon them. The Israel Defense Force's humanitarian mission to Haiti following the 2010 earthquake serves as a case study for the various considerations taken into account when designing the ethical-clinical policy of field hospitals...
April 3, 2017: Bioethics
https://www.readbyqxmd.com/read/28340663/compound-or-specially-designed-flaps-in-the-lower-extremities
#13
REVIEW
Bruno Battiston, Davide Ciclamini, Jin Bo Tang
Novel and combined tissue transfers from the lower extremity provide new tools to combat soft tissue defects of the hand, foot, and ankle, or fracture nonunion. Flaps can be designed for special purposes, such as providing a gliding bed for a grafted or repaired tendon or for thumb or finger reconstruction. Propeller flaps can cover soft tissue defects of the leg and foot. In repairing severe bone and soft tissue defects of the lower extremity, combined approaches, including external fixators, one-stage vascularized bone grafting, and skin or muscle flap coverage of the traumatized leg and foot, have become popular...
April 2017: Clinics in Plastic Surgery
https://www.readbyqxmd.com/read/28328216/natural-attenuation-in-streambed-sediment-receiving-chlorinated-solvents-from-underlying-fracture-networks
#14
Burcu Şimşir, Jun Yan, Jeongdae Im, Duane Graves, Frank E Löffler
Contaminant discharge from fractured bedrock formations remains a remediation challenge. We applied an integrated approach to assess the natural attenuation potential of sediment that forms the transition zone between upwelling groundwater from a chlorinated solvent-contaminated fractured bedrock aquifer and the receiving surface water. In situ measurements demonstrated that reductive dechlorination in the sediment attenuated chlorinated compounds before reaching the water column. Microcosms established with creek sediment or in situ incubated Bio-Sep beads degraded C1-C3 chlorinated solvents to less-chlorinated or innocuous products...
April 11, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28325144/therapeutic-potential-and-outlook-of-alternative-medicine-for-osteoporosis
#15
Tao Wang, Qian Liu, William Tjhioe, Jinmin Zhao, Aiping Lu, Ge Zhang, Renxiang Tan, Mengyu Zhou, Jiake Xu, Haotian Feng
Osteoporosis, a bone disease resulting in loss of bone density and microstructure quality, is often associated with fragility fractures, and the latter imposes a great burden on the patient and society. Although there are several different treatments available for osteoporosis such as hormone replacement therapy, bisphosphonates, Denosumab, and parathyroid hormone some concern has been raised regarding the inherent side effects of their long term use. It would be of great relevance to search for alternative natural compounds, which could complementarily overcome the limitations of the currently available therapy...
March 21, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28324276/the-cytotoxicity-and-genotoxicity-of-particulate-and-soluble-cobalt-in-human-urothelial-cells
#16
Rachel M Speer, Therry The, Hong Xie, Louis Liou, Rosalyn M Adam, John Pierce Wise
Cobalt use is increasing particularly due to its use as one of the primary metals in cobalt-chromium-molybdenum (CoCrMo) metal-on-metal prosthetics. CoCrMo is a high-strength, wear-resistant alloy with reduced risk for prosthetic loosening and device fracture. More than 500,000 people receive hip implants each year in the USA which puts them at potential risk for exposure to metal ions and particles released by the prosthetic implants. Data show cobalt ions released from prosthetics reach the bloodstream and accumulate in the bladder...
March 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28290981/case-report-of-clinical-vignette-osteopetrosis
#17
John B Moore, Thanh D Hoang, Alfred F Shwayhat
INTRODUCTION: Osteopetrosis is a connective tissue disorder resulting from abnormally dense bone predisposing patients to fracture. The clinical pattern of fractures across time and space as well as suggestive radiographic findings usually raises diagnostic suspicion. Multiple genetic mutations resulting in dysfunctional osteoclasts have been implicated in the pathogenesis of osteopetrosis with variable inheritance patterns. In severe cases, usually inherited in an autosomal recessive pattern, the medullary cavity important in the production of normal blood cell progenitors is replaced by defective endochondral bone, leading to pancytopenia and consequential extramedullary hematopoiesis...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28267369/compound-elevated-skull-fractures-review-of-literature
#18
G Lakshmi Prasad, N Anmol
INTRODUCTION: Compound elevated skull fractures (CESF) are rare traumatic injuries. To date, only 27 cases have been reported. METHODS: The authors report three cases of CESF managed at their institute. All were middle-aged males. The mechanism was assault by sharp-edged objects in two and road traffic accident (RTA) in one case. One underwent simple suturing; debridement and decompressive craniectomy was done in the remaining two cases. Good and poor outcomes were noted in one case each, while one died...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28257626/two-novel-compound-heterozygous-bmp1-mutations-in-a-patient-with-osteogenesis-imperfecta-a-case-report
#19
Apiruk Sangsin, Chulaluck Kuptanon, Chalurmpon Srichomthong, Monnat Pongpanich, Kanya Suphapeetiporn, Vorasuk Shotelersuk
BACKGROUND: Osteogenesis imperfecta (OI) is a collagen-related bone dysplasia leading to a susceptibility to fractures. OI can be caused by mutations in several genes including BMP1. It encodes two isoforms, bone morphogenetic protein 1 (BMP1) and mammalian tolloid (mTLD); both have proteolytic activity to remove the C-propeptide from procollagen. CASE PRESENTATION: We report a Thai OI patient who had his first fracture at the age of three months. Using next generation sequencing, we successfully identified two novel compound heterozygous BMP1 mutations...
March 4, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28241421/age-related-loss-in-bone-mineral-density-of-rats-fed-lifelong-on-a-fish-oil-based-diet-is-avoided-by-coenzyme-q10-addition
#20
Alfonso Varela-López, Julio J Ochoa, José M Llamas-Elvira, Magdalena López-Frías, Elena Planells, MCarmen Ramirez-Tortosa, Cesar L Ramirez-Tortosa, Francesca Giampieri, Maurizio Battino, José L Quiles
During aging, bone mass declines increasing osteoporosis and fracture risks. Oxidative stress has been related to this bone loss, making dietary compounds with antioxidant properties a promising weapon. Male Wistar rats were maintained for 6 or 24 months on diets with fish oil as unique fat source, supplemented or not with coenzyme Q10 (CoQ10), to evaluate the potential of adding this molecule to the n-3 polyunsaturated fatty acid (n-3 PUFA)-based diet for bone mineral density (BMD) preservation. BMD was evaluated in the femur...
February 22, 2017: Nutrients
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