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Osteopenia

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https://www.readbyqxmd.com/read/28641031/treatment-options-for-nonalcoholic-steatohepatitis-a-safety-evaluation
#1
Danny Issa, Julia Wattacheril, Arun J Sanyal
Introduction There is an urgent as yet unmet need to develop highly effective and safe therapeutics for nonalcoholic fatty liver disease (NAFLD). The remarkable progress in understanding NAFLD pathogenesis allowed the identification of injury pathways which may be recruited as therapy targets. Areas covered This article reviews the safety and tolerability data of the NAFLD therapies and explains the mechanistic basis for each of the established and investigational drugs. Treatment targets include: weight loss, anti-metabolic agents such as lipid lowering and anti-diabetic drugs, inflammation, fibrosis and others such as targeting gut microbiota, immune modulation and apoptosis...
June 22, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28640588/calcitonin-loaded-thermosensitive-hydrogel-for-long-term-anti-osteopenia-therapy
#2
Yanpeng Liu, Xiaobin Chen, Sheyu Li, Qiang Guo, Jing Xie, Lin Yu, Xinyuan Xu, Chunmei Ding, Jianshu Li, Jiandong Ding
Effective anti-osteopenia therapy can be achieved by designing long-term protein/peptide drug delivery systems for bone trabecula restoration. Here we show that a complex of salmon calcitonin and oxidized calcium alginate (sCT-OCA) was prepared and loaded into a thermosensitive copolymer hydrogel for long-term anti-osteopenia treatment. The triblock copolymer, poly(D,L-lactic acid-co-glycolic acid)-b-poly(ethylene glycol)-b-poly(D,L-lactic acid-co-glycolic acid) (PLGA-PEG-PLGA) exhibited sol-gel transition at body temperature...
June 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28630804/diversity-analysis-of-gut-microbiota-in-osteoporosis-and-osteopenia-patients
#3
Jihan Wang, Yangyang Wang, Wenjie Gao, Biao Wang, Heping Zhao, Yuhong Zeng, Yanhong Ji, Dingjun Hao
Some evidence suggests that bone health can be regulated by gut microbiota. To better understand this, we performed 16S ribosomal RNA sequencing to analyze the intestinal microbial diversity in primary osteoporosis (OP) patients, osteopenia (ON) patients and normal controls (NC). We observed an inverse correlation between the number of bacterial taxa and the value of bone mineral density. The diversity estimators in the OP and ON groups were increased compared with those in the NC group. Beta diversity analyses based on hierarchical clustering and principal coordinate analysis (PCoA) could discriminate the NC samples from OP and ON samples...
2017: PeerJ
https://www.readbyqxmd.com/read/28630637/evaluation-of-circulating-srage-in-osteoporosis-according-to-bmi-adipokines-and-fracture-risk-a-pilot-observational-study
#4
Emanuela Galliera, Monica Gioia Marazzi, Carmine Gazzaruso, Pietro Gallotti, Adriana Coppola, Tiziana Montalcini, Arturo Pujia, Massimiliano M Corsi Romanelli
BACKGROUND: Osteoporosis is a systemic metabolic disease based on age-dependent imbalance between the rates of bone formation and bone resorption. Recent studies on the pathogenesis of this disease identified that bone remodelling impairment, at the base of osteoporotic bone fragility, could be related to protein glycation, in association to oxidative stress. The glycation reactions lead to the generation of glycation end products (AGEs) which, in turn, accumulates into bone, where they binds to the receptor for AGE (RAGE)...
2017: Immunity & Ageing: I & A
https://www.readbyqxmd.com/read/28629885/-prevalence-of-osteoporosis-estimation-of-probability-of-fracture-and-bone-metabolism-study-in-patients-with-newly-diagnosed-prostate-cancer-in-the-health-area-of-lugo
#5
Jonatan Miguel-Carrera, Carlos García-Porrua, Francisco Javier de Toro Santos, Jose Antonio Picallo-Sánchez
OBJECTIVE: To study the prevalence of osteoporosis and fracture probability in patients diagnosed with prostate cancer. DESIGN: Observational descriptive transversal study. SITE: Study performed from Primary Care of Lugo in collaboration with Rheumatology and Urology Services of our referral hospital. PARTICIPANTS: Patients diagnosed with prostate cancer without bone metastatic disease from January to December 2012. MAIN MEASUREMENTS: Epidemiologic, clinical, laboratory and densitometric variables involved in osteoporosis were collected...
June 16, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28628428/eraas-for-menopause-treatment-welcome-the-designer-estrogens
#6
REVIEW
Heather D Hirsch, Elim Shih, Holly L Thacker
Estrogen receptor agonist-antagonists (ERAAs) selectively inhibit or stimulate estrogen-like action in targeted tissues. This review summarizes how ERAAs can be used in combination with an estrogen or alone to treat menopausal symptoms (vasomotor symptoms, genitourinary syndrome of menopause), breast cancer or the risk of breast cancer, osteopenia, osteoporosis, and other female midlife concerns.
June 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28628374/effects-of-a-multispecies-probiotic-supplement-on-bone-health-in-osteopenic-postmenopausal-women-a-randomized-double-blind-controlled-trial
#7
Sadegh Jafarnejad, Kurosh Djafarian, Mohammad Reza Fazeli, Mir Saeed Yekaninejad, Abdolrahman Rostamian, Seyed Ali Keshavarz
OBJECTIVE: The development of alternative approaches to prevent and/or treat osteoporosis, as a chronic progressive bone disease, is being considered currently. Among dietary supplements, probiotics may have favorable effects on bone metabolism. Therefore, the aim of this study was to evaluate the effects of a multispecies probiotic supplementation on bone biomarkers and bone density in osteopenic postmenopausal women. METHODS: This randomized double-blind placebo-controlled clinical trial was performed on 50 patients with osteopenia aged 50-72 years...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28619686/low-dose-bmp-2-is-sufficient-to-enhance-the-bone-formation-induced-by-an-injectable-plga-fiber-reinforced-brushite-forming-cement-in-a-sheep-defect-model-of-lumbar-osteopenia
#8
Francesca Gunnella, Elke Kunisch, Matthias Bungartz, Stefan Maenz, Victoria Horbert, Long Xin, Joerg Mika, Juliane Borowski, Sabine Bischoff, Harald Schubert, Peter Hortschansky, Andre Sachse, Bernhard Illerhaus, Jens Günster, Jörg Bossert, Klaus D Jandt, Frank Plöger, Raimund W Kinne, Olaf Brinkmann
BACKGROUND CONTEXT: Bioresorbable calcium phosphate cement (CPC) may be suitable for vertebroplasty/kyphoplasty of osteoporotic vertebral fractures. However, additional targeted delivery of osteoinductive bone morphogenetic proteins (BMPs) in the CPC may be required to counteract the augmented local bone catabolism and support complete bone regeneration. PURPOSE: The study aimed at testing an injectable, poly (l-lactide-co-glycolide) acid (PLGA)-fiber reinforced, brushite-forming cement (CPC) containing low-dose bone morphogenetic protein BMP-2 in a sheep lumbar osteopenia model...
June 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28617328/the-long-term-consumption-of-oats-in-celiac-disease-patients-is-safe-a-large-cross-sectional-study
#9
Katri Aaltonen, Pilvi Laurikka, Heini Huhtala, Markku Mäki, Katri Kaukinen, Kalle Kurppa
A strict gluten-free diet (GFD) can be diversified by non-contaminated oats, but there is a shortage of long-term studies concerning its safety. We compared long-term treatment outcomes and factors associated with the introduction of oats between celiac patients on a GFD with or without oats. Eight hundred sixty-nine previously diagnosed celiac patients were interviewed. The validated Gastrointestinal Symptom Rating Scale (GSRS), Psychological General Well-Being (PGWB), and Short-Form 36 Health Survey (SF-36) questionnaires were used to assess symptoms and quality of life, serological tests were performed, and results of histology were confirmed from patient records...
June 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28612553/-obesity-and-bone-mineral-density-in-menopausal-women
#10
Kang An, Ken Qin, She-Yu Li, Han-Wei Yang, Qin-Qin Wu, Yan Huang, Chuan Yu, Zhen-Mei An, Shuang-Qing Li
OBJECTIVES: To determine the association between obesity and bone mineral density in menopausal women. METHODS: We recruited menopausal women aged 50 years and older who undertook health examinations in West China Hospital of Sichuan University in this study. Bone mineral density of the participants was measured by MetriScan Bone Densitometry. The participants were categorized into three groups according to the T value: normal density, osteopenia and osteoporosis...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28612552/-obesity-and-osteoporosis-in-men-aged-above-50
#11
Ken Qin, Min He, Xiao-Tao Cao, Han-Wei Yang, Ying Yang, You-Juan Wang, Chuan Yu, Zhen-Mei An, She-Yu Li
OBJECTIVES: To investigate the association between obesity and osteoporosis in men aged above 50 in Chengdu. METHODS: Male participants aged above 50 were recruited from those who visited West China Hospital of Sichuan University for health examinations. Bone mineral density was measured by MetriScan Bone Densitometry. The participants were divided into three groups according to T values: normal, osteopenia and osteoporosis. RESULTS: About 5...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28611362/zinc-modified-calcium-silicate-coatings-promote-osteogenic-differentiation-through-tgf-%C3%AE-smad-pathway-and-osseointegration-in-osteopenic-rabbits
#12
Jiangming Yu, Lizhang Xu, Kai Li, Ning Xie, Yanhai Xi, Yang Wang, Xuebin Zheng, Xiongsheng Chen, Meiyan Wang, Xiaojian Ye
Surface-modified metal implants incorporating different ions have been employed in the biomedical field as bioactive dental implants with good osseointegration properties. However, the molecular mechanism through which surface coatings exert the biological activity is not fully understood, and the effects have been difficult to achieve, especially in the osteopenic bone. In this study, We examined the effect of zinc-modified calcium silicate coatings with two different Zn contents to induce osteogenic differentiation of rat bone marrow-derived pericytes (BM-PCs) and osteogenetic efficiency in ovariectomised rabbits...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611356/the-osteogenesis-promoting-effects-of-alpha-lipoic-acid-against-glucocorticoid-induced-osteoporosis-through-the-nox4-nf-kappab-jnk-and-pi3k-akt-pathways
#13
Shi-Yu Lu, Chang-Yuan Wang, Yue Jin, Qiang Meng, Qi Liu, Zhi-Hao Liu, Ke-Xin Liu, Hui-Jun Sun, Mo-Zhen Liu
Recently, accumulating evidence has indicated that glucocorticoid-induced osteoporosis (GIOP) is closely related to oxidative stress and apoptosis. Alpha-lipoic acid (LA), a naturally endogenous anti-oxidant, possesses anti-oxidative and anti-apoptosis activities, implicating LA as a therapeutic agent for the treatment of GIOP. In this study, the osteogenesis-promoting effects of LA against GIOP were investigated and the mechanisms were further probed. Here, the results showed that LA inhibited oxidative stress, suppressed apoptosis and improved osteopenia by promoting the expression of osteogenesis markers, including ALP, COL-I, OCN, BMP-2, RUNX2 and OSX...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28604517/espghan-guidelines-for-the-evaluation-and-treatment-of-gastrointestinal-and-nutritional-complications-in-children-with-neurological-impairment
#14
Claudio Romano, Myriam van Wynckel, Jessie Hulst, Ilse Broekaert, Jiri Bronsky, Luigi Dall'Oglio, Nataša Fidler Mis, Iva Hojsak, Rok Orel, Alexandra Papadopoulou, Michela Schaeppi, Nikhil Thapar, Michael Wilschanski, Peter Sullivan, Frédéric Gottrand
OBJECTIVES: Feeding difficulties are frequent in children with neurological impairments and can be associated with undernutrition, growth failure, micronutrients deficiencies, osteopenia and nutritional comorbidites. Gastrointestinal problems including gastroesophageal reflux disease, constipation and dysphagia are also very frequent in this population and impact quality of life and nutritional status. There is currently a lack of a systematic approach to the care of these patients. With this report, ESPGHAN aims to develop uniform guidelines for the management of the gastroenterological and nutritional problems in neurologically impaired chidren...
June 9, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28592489/sustained-notch2-signaling-in-osteoblasts-but-no-in-osteoclasts-is-linked-to-osteopenia-in-a-mouse-model-of-hajdu-cheney-syndrome
#15
Stefano Zanotti, Jungeun Yu, Archana Sanjay, Lauren Schilling, Chris Schoenherr, Aris N Economides, Ernesto Canalis
Individuals with Hajdu-Cheney syndrome (HCS) present with osteoporosis, and HCS is associated with NOTCH2 mutations causing deletions of the proline-, glutamic acid-, serine-, and threonine-rich (PEST) domain that are predicted to enhance NOTCH2 stability and cause gain-of-function. Previously, we demonstrated that mice harboring Notch2 mutations analogous to those in HCS (Notch2HCS) are severely osteopenic because of enhanced bone resorption. We attributed this phenotype to osteoclastic sensitization to receptor activator of nuclear factor-κB ligand and increased osteoblastic tumor necrosis factor superfamily member 11 (Tnfsf11) expression...
June 7, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28591104/myeloma-bone-disease-pathogenesis-and-treatment
#16
Elizabeth K O'Donnell, Noopur S Raje
Bone involvement manifesting as osteolytic bone disease (OBD) or osteopenia is one of the defining features of multiple myeloma (MM). Osteolytic lesions develop in nearly 90% of patients with MM, and these are frequently complicated by skeleton-related events (SREs) such as severe bone pain, pathologic fractures, vertebral collapse, hypercalcemia, and spinal cord compression. SREs have a negative effect on patients' quality of life and affect their long-term outcomes, including survival. In MM, the delicate balance between bone formation and bone destruction is perturbed...
April 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28588658/supraspinatus-detachment-causes-musculotendinous-degeneration-and-a-reduction-in-bone-mineral-density-at-the-enthesis-in-a-rat-model-of-chronic-rotator-cuff-degeneration
#17
Tanujan Thangarajah, Frederick Henshaw, Anita Sanghani-Kerai, Simon M Lambert, Catherine J Pendegrass, Gordon W Blunn
BACKGROUND: To evaluate biological strategies that enhance tendon-bone healing in humans, it is imperative that suitable animal models accurately reproduce the pathological changes observed in the clinical setting following a tear. The purpose of the present study was to investigate rotator cuff degeneration in a rat, as well as assess the development of osteopenia at the enthesis following tendon detachment. METHODS: Eighteen female Wistar rats underwent unilateral detachment of the supraspinatus tendon...
July 2017: Shoulder & Elbow
https://www.readbyqxmd.com/read/28581440/ubiquitin-ligase-rnf146-coordinates-bone-dynamics-and-energy-metabolism
#18
Yoshinori Matsumoto, Jose La Rose, Melissa Lim, Hibret A Adissu, Napoleon Law, Xiaohong Mao, Feng Cong, Paula Mera, Gerard Karsenty, David Goltzman, Adele Changoor, Lucia Zhang, Megan Stajkowski, Marc D Grynpas, Carsten Bergmann, Robert Rottapel
Cleidocranial dysplasia (CCD) is an autosomal dominant human disorder characterized by abnormal bone development that is mainly due to defective intramembranous bone formation by osteoblasts. Here, we describe a mouse strain lacking the E3 ubiquitin ligase RNF146 that shows phenotypic similarities to CCD. Loss of RNF146 stabilized its substrate AXIN1, leading to impairment of WNT3a-induced β-catenin activation and reduced Fgf18 expression in osteoblasts. We show that FGF18 induces transcriptional coactivator with PDZ-binding motif (TAZ) expression, which is required for osteoblast proliferation and differentiation through transcriptional enhancer associate domain (TEAD) and runt-related transcription factor 2 (RUNX2) transcription factors, respectively...
June 5, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28575572/-features-of-vertebral-pain-syndromes-in-older-women-depending-on-the-duration-of-postmenopausal-period-and-bone-mineral-density-indices
#19
T V Orlyk, N V Grygorieva, V V Povoroznyuk
We have analyzed the vertebral pain syndrome (VPS) rate in 2 844 women aged 40-89 years, divided into groups according to the period of life (reproductive, perimenopausal and postmenopausal (PMP)) and evaluated the relationship between VPS frequency and indices of bone mineral density (BMD). It was found that the frequency of VPS during different physiological periods of woman life ranges from 84,1 to 94,4 %, with significant increase when the PMP period is more than 20 years compared with women in reproductive and early postmenopausal periods...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28569124/low-bone-mineral-density-is-associated-with-breast-cancer-in-postmenopausal-women-a-case-control-study
#20
P Ferreira Poloni, H De Luca Vespoli, B de Sousa Almeida-Filho, F Bueloni-Dias, J Nahas-Neto, E Aguiar Petri Nahas
OBJECTIVE: To evaluate risk factors for low bone mineral density (BMD) in postmenopausal breast cancer survivors compared with postmenopausal women without breast cancer (controls). METHOD: In this study, 112 breast cancer survivors were compared to 224 women (controls). Inclusion criteria were amenorrhea ≥12 months, age 45-75 years, treated for breast cancer, and metastasis-free for at least 5 years. The control group consisted of women without breast cancer, matched by age and menopause status (in a proportion of 1: 2 as sample calculation)...
June 1, 2017: Climacteric: the Journal of the International Menopause Society
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