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Osteoporosis prevention

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https://www.readbyqxmd.com/read/28821635/enzyme-replacement-prevents-neonatal-death-liver-damage-and-osteoporosis-in-murine-homocystinuria
#1
Tomas Majtan, Helena Hůlková, Insun Park, Jakub Krijt, Viktor Kožich, Erez M Bublil, Jan P Kraus
Classical homocystinuria (HCU) is an inborn error of sulfur amino acid metabolism caused by deficient activity of cystathionine β-synthase (CBS), resulting in an accumulation of homocysteine and a concomitant decrease of cystathionine and cysteine in blood and tissues. In mice, the complete lack of CBS is neonatal lethal. In this study, newborn CBS knockout (KO) mice were treated with recombinant polyethyleneglycolylated human truncated CBS (PEG-CBS). Full survival of the treated KO mice, along with a positive impact on metabolite levels in plasma, liver, brain, and kidneys, was observed...
August 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28816876/osteoporotic-thoracolumbar-fractures-how-are-they-different-classification-and-treatment-algorithm
#2
Shanmuganathan Rajasekaran, Rishi M Kanna, Klaus J Schnake, Alexander R Vaccaro, Gregory D Schroeder, Said Sadiqi, Cumhur Oner
Osteoporotic vertebral fractures constitute at least 50% of the osteoporotic fractures that happen worldwide. Occurrence of osteoporotic fractures make the elderly patient susceptible for further fractures and increases the morbidity due to kyphosis and pain; the mortality risk is also increased in these patients. Most fractures occur in the thoracic and thoracolumbar region and are often stable. Different descriptive and prognostic classification systems have been described, but none are universally accepted...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28816232/dual-roles-of-qoa-8a-in-antiosteoporosis-a-combination-of-bone-anabolic-and-anti-resorptive-effects
#3
Jing Wu, Qi Shen, Wei Cui, Yu Zhao, Yue Huai, Yu-Chao Zhang, Bei-Hua Bao, Chen-Xi Liu, Qing Jiang, Jian-Xin Li
Osteoporotic treatments have largely depended on antiresorptive or anabolic drugs; but the former also suppresses new bone formation, and the latter only includes human parathyroid hormone. There is no drug that has a dual effect to inhibit bone resorption and to stimulate bone formation simultaneously. Here, we report a small molecule, a quinoxaline derivative of oleanolic acid (QOA-8a) that plays such dual roles in osteoblasts and osteoclasts in the treatment of osteoporosis. Osteoclast differentiation was induced by incubation of primary mouse bone marrow-derived macrophages in the presence of RANKL and M-CSF, treatment with QOA-8a dose-dependently inhibited the osteoclast formation with an IC50 value of 0...
August 17, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28814721/acceleration-of-osteoblast-differentiation-by-a-novel-osteogenic-compound-dmp-pyt-through-activation-of-both-the-bmp-and-wnt-pathways
#4
Su Jung Bae, Hye Joo Kim, Hee Yeon Won, Yong Ki Min, Eun Sook Hwang
Osteoblast differentiation is regulated through the successive activation of signaling molecules by a complex interplay of extracellular signals such as bone morphogenetic protein (BMP) and Wnt ligands. Numerous studies have identified natural as well as synthetic compounds with osteogenic activity through the regulation of either BMP/SMADs or the Wnt/β-catenin pathway. Here, we attempted to isolate small molecules that concurrently activated both SMADs and β-catenin, which led to the discovery of a novel potent osteogenic compound, DMP-PYT...
August 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28812252/secondary-fracture-prevention-in-hip-fracture-patients-requires-cooperation-from-general-practitioners
#5
Jan Vaculík, Jan J Stepan, Pavel Dungl, Marek Majerníček, Alexander Čelko, Valér Džupa
Despite individual recommendations on osteoporosis management in patients after hip fracture surgery, addressed by orthopedic surgeons to Czech general practitioners, the patients remained undiagnosed and untreated because of provider-level barriers to post-fracture secondary prevention. PURPOSE: The goal of the study was to assess whether an individual recommendation on osteoporosis treatment addressed to a hip fracture patient's GP would lead to better osteoporosis management. METHODS: Two groups of patients who suffered hip fractures and were treated at the Orthopedic Department were evaluated...
May 18, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28811684/lead-as-a-risk-factor-for-osteoporosis-in-post-menopausal-women
#6
REVIEW
Anjali Manocha, L M Srivastava, Seema Bhargava
Lead exposure is increasingly becoming an important risk factor for osteoporosis. In adults, approximately 80-90 % of absorbed lead is stored in the bones. These bone lead deposits are released into the blood during periods of enhanced bone resorption like menopause, forming a potential endogenous source of lead exposure. Postmenopausal women are at a higher risk for bone lead release because of hormonal and age related changes in bone metabolism. Estrogen deficiency is associated with increase in osteoclasts number and activity leading to both the early and late form of osteoporosis...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28810648/combination-of-alendronate-and-genistein-synergistically-suppresses-osteoclastic-differentiation-of-raw267-4-cells-in-vitro
#7
Masayoshi Yamaguchi, Robert M Levy
Bone is a dynamic tissue that undergoes constant remodeling, with removal by osteoclastic bone resorption and replacement via osteoblastic bone formation and mineralization. Deterioration of bone mass with aging leads to osteoporosis. Bisphosphonates are potent inhibitors of osteoclastic bone resorption. Genistein, an isoflavone, exerts a bone anabolic effect by suppressing osteoclastic bone resorption and stimulating osteoblastic bone formation. The present study was undertaken to investigate the anabolic effects of a combination of alendronate and genistein on osteoclastic differentiation...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810412/retraction-notice
#8
(no author information available yet)
At the request of the Journal Editor and the Publisher, the following article has been retracted: Khani Jeihooni A, Hidarnia A, Hossein Kaveh M, Hajizadeh E and Askari A (2015) The effect of an education program based on health belief model and social cognitive theory in prevention of osteoporosis in women. Journal of Health Psychology. Epub ahead of print 8 September. DOI: 10.1177/1359105315603696.
February 1, 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28807865/novel-compound-heterozygous-mutations-identified-by-whole-exome-sequencing-in-a-japanese-patient-with-geroderma-osteodysplastica
#9
Ryojun Takeda, Masaki Takagi, Hiroyuki Shinohara, Hiroshi Futagawa, Satoshi Narumi, Tomonobu Hasegawa, Gen Nishimura, Hiroshi Yoshihashi
Geroderma osteodysplastica (GO) is a subtype of cutis laxa syndrome characterized by congenital wrinkly skin, a prematurely aged face, extremely short stature, and osteoporosis leading to recurrent fractures. GO exhibits an autosomal recessive inheritance pattern and is caused by loss-of-function mutations in GORAB, which encodes a protein important for Golgi-related transport. Using whole exome sequencing, we identified novel compound heterozygous nonsense mutations in the GORAB in a GO patient. The patient was a 14-year-old Japanese boy...
August 11, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28804610/naringin-enhances-osteogenic-differentiation-through-the-activation-of-erk-signaling-in-human-bone-marrow-mesenchymal-stem-cells
#10
Huichao Wang, Chunbo Li, Jianming Li, Yingjie Zhu, Yudong Jia, Ying Zhang, Xiaodong Zhang, Wenlong Li, Lei Cui, Wuyin Li, Youwen Liu
OBJECTIVES: Naringin has been reported to regulate bone metabolism. However, its effect on osteogenesis remains unclear. The aim was to investigate the effect of naringin on osteogenic differentiation of human bone marrow mesenchymal stem cells (hBMSCs) through the activation of the ERK signaling pathway in osteogenic differentiation. MATERIALS AND METHODS: Annexin V-FITC assay and MTT assay were used to measure the effect of naringin on cytotoxicity and proliferation of hBMSCs, respectively...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28804568/preventive-effects-of-kudzu-root-on-bone-loss-and-cartilage-degradation-in-ovariectomized-rat
#11
Yunyun Luo, Shuang Zheng, Yujia Ding, Yueqin Dai, Yi Zhou, Ruifeng Xiang, Anne C Bay-Jensen, Morten A Karsdal, Per Qvist, Qinlong Zheng
The clinical utility of Traditional Chinese Medicine (TCM) herbs/roots extracts in osteoporosis (OP) and osteoarthritis (OA) has been described in multiple reports, but there have been few studies of TCM for preventing bone loss and cartilage degradation simultaneously. Six-month-old female Sprague-Dawley rats each were subjected to ovariectomized (OVX) or sham surgery and treated orally once daily with herbal extracts or vehicle. Body weight was recorded weekly, and blood samples were collected from fasting animals at different time points...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803596/associations-of-baltic-sea-and-mediterranean-dietary-patterns-with-bone-mineral-density-in-elderly-women
#12
Arja T Erkkilä, Homa Sadeghi, Masoud Isanejad, Jaakko Mursu, Marjo Tuppurainen, Heikki Kröger
OBJECTIVE: Dietary quality in relation to bone health has been analysed in relatively few studies. The current study aimed to assess the association of the Baltic Sea diet (BSD) and the Mediterranean diet (MD) with bone mineral density (BMD) among elderly women. DESIGN: Lumbar, femoral and total body BMD were measured by dual-energy X-ray absorptiometry at baseline and year 3. Dietary intake was measured by 3 d food record at baseline. BSD and MD scores were calculated from food and alcohol consumption and nutrient intake...
August 14, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28802465/integrative-medicine-for-geriatric-and-palliative-care
#13
REVIEW
Mikhail Kogan, Stephanie Cheng, Seema Rao, Sharon DeMocker, Mariatu Koroma Nelson
More than 80% of people in the United States who are older than 65 years have 1 or more chronic medical problems, and 50% have 2 or more. The cost of care for the elderly is at least 3 to 4 times that of younger populations and is rapidly growing, mostly because of a lack of preventive approaches and overly medicalized and fragmented care. This article summarizes the most up-to-date evidence for specific integrative modalities for common geriatric conditions, including falls, frailty, osteoporosis, and end-of-life palliative care...
September 2017: Medical Clinics of North America
https://www.readbyqxmd.com/read/28800292/osteoporosis-knowledge-translation-for-young-adults-new-directions-for-prevention-programs
#14
Alyson Holland
INTRODUCTION: Osteoporosis prevention is heavily reliant on education programs, which are most effective when tailored to their intended audience. Most osteoporosis prevention education is designed for older adults, making application of these programs to younger adults difficult. Designing programs for young adults requires understanding the information-seeking practices of young adults, so that knowledge about osteoporosis can be effectively translated. METHODS: Individual interviews were conducted with 60 men and women-multiethnic, Canadian young adults-to explore both the sources and types of information they search for when seeking information on nutrition or bone health...
August 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/28797304/prevalence-of-vitamin-d-supplement-use-in-australian-residential-aged-care-facilities-in-november-2014
#15
Pippy Walker, Amanda Miller Amberber, Susan Kurrle, Annette Kifley, Ian D Cameron
OBJECTIVE: We sought to establish the prevalence and predictors of adequate vitamin D supplement use, as per current falls prevention guidelines in Australian aged care homes. De-identified medication chart data from November 2014 were collected from pharmacists. The proportion of residents prescribed vitamin D and associations between adequate vitamin D supplementation and state, calcium use and osteoporosis medication use were assessed. RESULTS: The prevalence of adequate vitamin D supplement use (≥800 IU) was 47...
August 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28793923/concurrent-antitumor-and-bone-protective-effects-of-everolimus-in-osteotropic-breast-cancer
#16
Andrew J Browne, Marie L Kubasch, Andy Göbel, Peyman Hadji, David Chen, Martina Rauner, Friedrich Stölzel, Lorenz C Hofbauer, Tilman D Rachner
BACKGROUND: The mammalian target of rapamycin inhibitor everolimus is approved as an antitumor agent in advanced estrogen receptor-positive breast cancer. Surrogate bone marker data from clinical trials suggest effects on bone metabolism, but the mode of action of everolimus in bone biology remains unclear. In this study, we assessed potential bone-protective effects of everolimus in the context of osteotropic tumors. METHODS: The effects of everolimus on cancer cell viability in vitro and on tumor growth in vivo were assessed...
August 9, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28790551/bilateral-subcapital-femoral-neck-fracture-in-a-28-year-old-postpartum-woman
#17
Miroslav Kezunovic, Nikola Bulatovic, Vojin Kadic
INTRODUCTION: Subcapital femoral neck fractures are associated with high morbidity and mortality. These fractures mostly occur as a result of a high-force impact from traffic accidents and a fall from a great height, though non-traumatic forms are described in transient osteoporosis during the second half of pregnancy, in convulsions during electric shock, eclampsia, hypocalcemia, osteomalacia, renal osteodystrophy and myeloma. CASE REPORT: In this report we present a bilateral subcapital femoral neck fracture in a woman sustained two days after delivery...
April 2017: Medical Archives
https://www.readbyqxmd.com/read/28789921/discontinuation-of-denosumab-therapy-for-osteoporosis-a-systematic-review-and-position-statement-by-ects
#18
REVIEW
Elena Tsourdi, Bente Langdahl, Martine Cohen-Solal, Bérengere Aubry-Rozier, Erik Fink Eriksen, Nuria Guañabens, Barbara Obermayer-Pietsch, Stuart H Ralston, Richard Eastell, M Carola Zillikens
INTRODUCTION: The optimal duration of osteoporosis treatment is controversial. As opposed to bisphosphonates, denosumab does not incorporate into bone matrix and bone turnover is not suppressed after its cessation. Recent reports imply that denosumab discontinuation may lead to an increased risk of multiple vertebral fractures. METHODS: The European Calcified Tissue Society (ECTS) formed a working group to perform a systematic review of existing literature on the effects of stopping denosumab and provide advice on management...
August 5, 2017: Bone
https://www.readbyqxmd.com/read/28777128/spinal-cord-injury-following-a-mild-trauma-in-homocystinuria-related-bone-frailty-neurorehabilitation-and-education-on-bone-health-management
#19
Ginny Varghese, Wafa Al Yazeedi, Mohammed Al Hamawi, Mohammed N Awad, Giorgio Ferriero, Elena Giovanazzi
Homocystinuria (HCU) is a rare autosomal recessive disease characterized by the deficiency of cystathionine β-synthetase, presenting with variable clinical features including micronutrient deficiency-related osteoporosis. Early-onset osteoporosis results in increased bone fragility, which is associated with low-impact fractures. To date, no traumatic myelopathy has ever been described in patients with HCU. This case report describes a 30-year-old male patient with HCU who was not aware that he was at high risk of sustaining debilitating bone fractures...
August 2, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28775273/calcium-and-vitamin-d-deficiency-marginally-impairs-fracture-healing-but-aggravates-posttraumatic-bone-loss-in-osteoporotic-mice
#20
Verena Fischer, Melanie Haffner-Luntzer, Katja Prystaz, Annika Vom Scheidt, Björn Busse, Thorsten Schinke, Michael Amling, Anita Ignatius
Calcium and vitamin-D (Ca/VitD) deficiency is a major risk factor for osteoporosis. It may also contribute to the compromised bone healing frequently observed in osteoporotic patients, since calcium is essential for fracture-callus mineralization. Additionally, clinical data suggest systemic bone loss following fracture, which may aggravate osteoporosis and thus increase the risk for fragility fractures in osteoporotic patients further. However, the role of Ca/VitD in fracture healing and posttraumatic bone turnover has to date been poorly investigated...
August 3, 2017: Scientific Reports
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