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Osteopenia

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https://www.readbyqxmd.com/read/28534995/low%C3%A2-level-mechanical-vibration-enhances-osteoblastogenesis-via-a-canonical-wnt-signaling%C3%A2-associated-mechanism
#1
Heqi Gao, Mingming Zhai, Pan Wang, Xuhui Zhang, Jing Cai, Xiaofei Chen, Guanghao Shen, Erping Luo, Da Jing
Osteoporosis is a skeletal metabolic disease characterized by reduced bone mass and a high susceptibility to fractures, in which osteoblasts and osteoclasts are highly involved in the abnormal bone remodeling processes. Recently, low‑magnitude, high‑frequency whole‑body vibration has been demonstrated to significantly reduce osteopenia experimentally and clinically. However, the underlying mechanism regarding how osteoblastic activity is altered when bone tissues adapt to mechanical vibration remains elusive...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534161/autoantibodies-to-osteoprotegerin-are-associated-with-low-hip-bone-mineral-density-and-history-of-fractures-in-axial-spondyloarthritis-a-cross-sectional-observational-study
#2
Barbara Hauser, Sizheng Zhao, Micaela R Visconti, Philip L Riches, William D Fraser, Isabelle Piec, Nicola J Goodson, Stuart H Ralston
Osteoporosis is a recognised complication of axial spondyloarthritis (axSpA) and is thought to be due to functional impairment and the osteoclast-activating effects of proinflammatory cytokines. The development of autoantibodies to OPG (OPG-Ab) has been associated with severe osteoporosis and increased bone resorption in rheumatoid arthritis. In this study, we screened for the presence of OPG-Ab in axSpA and reviewed their clinical significance. We studied 134 patients, recruited from two centres in the United Kingdom...
May 22, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28527160/study-of-bone-mineral-density-bmd-in-patients-with-rheumatoid-arthritis-and-its-co-relation-with-severity-of-the-disease
#3
Liyakat Ali Gauri, Qadir Fatima, Sharanbasu Diggi, Asim Khan, Ambreen Liyakat, B R Ajay
INTRODUCTION: Rheumatoid arthritis (RA) is a chronic inflammatory disease of unknown etiology marked by a symmetric, peripheral polyarthritis.1-3 People with rheumatoid arthritis are at increased risk of osteoporosis. Hence this article intends to highlight the importance of BMD measurement in patients with RA as a tool for assessment of disease activity and severity. OBJECTIVE: To evaluate Bone Mineral Density in patients of Rheumatoid Arthritis and Co-relate it with severity of disease...
April 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28527105/association-between-lumbar-bone-mineral-density-and-serum-uric-acid-in-postmenopausal-women-a-cross-sectional-study-of-healthy-chinese-population
#4
Wen Han, Xiaojuan Bai, Nan Wang, Lulu Han, Xuefeng Sun, Xiangmei Chen
Partial correlation and regression analyses were used in this study. We showed that there is a linear relationship between bone mineral density and serum uric acid within the normal physiologic range, and higher serum uric acid levels had a protective effect on bone loss in postmenopausal osteoporosis. PURPOSE: The significance of the relationship between lumbar bone mineral density (()BMD) and serum uric acid (SUA) levels is unclear. The aims of this study were to investigate on a population-level the association between lumbar BMD and SUA within the normal physiologic range and to determine whether SUA plays a protective role in bone loss in healthy postmenopausal Chinese women...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28524056/dermatitis-herpetiformis-and-bone-mineral-density-analysis-of-a-french-cohort-of-53-patients
#5
Coralie Lheure, Saskia Ingen-Housz-Oro, Sandra Guignard, Rachida Inaoui, Brigitte Jolivet, Xavier Chevalier, Pierre Wolkenstein, Bruno Fautrel, Oliver Chosidow
The characteristics of patients with dermatitis herpetiformis (DH) in France is poorly documented. Furthermore, the risk of fractures and bone mineral density (BMD) in DH remain under-described, and recommendations for systematic screening for osteoporosis in DH are lacking. To describe the characteristics of DH in a large French cohort and evaluate the association between BMD and features of osteoporosis. Patients were recruited from the French Association of Gluten Intolerants (AFDIAG) and a single university dermatology department...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28523056/low-bone-mineral-density-in-chronic-hepatitis-b-virus-infection-a-case-control-study
#6
Zengfa Huang, Hui Wei, Cheng Cheng, Shuhua Yang, Jing Wang, Xianzhe Liu
OBJECTIVE: Osteoporosis is the well-known major complication in chronic hepatitis B virus (HBV) infection. Fewer reports are available of the relationship between bone loss and chronic HBV infection. We investigated the bone mineral density (BMD) and prevalence of osteoporosis in chronic HBV patients in comparison with healthy subjects. METHODS: We assessed 148 chronic HBV patients and 148 age- and gender-matched healthy controls by dual energy X-ray absorptiometry (DEXA) for determination of BMD...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522769/osteoporosis-and-osteopenia-are-not-associated-with-t-cell-activation-in-older-cart-treated-hiv-infected-patients
#7
M Krikke, R C W Klomberg, E van der Veer, K Tesselaar, H J J Verhaar, A I M Hoepelman, J E Arends
BACKGROUND: A higher risk of developing osteopenia/ osteoporosis has been seen in HIV-infected patients. We compared HIV-infected patients, all treated with combination antiretroviral therapy (cART), with a low bone mineral density (BMD) (T-score < -1) to those with a normal BMD (T-score > -1), examining the relation with T-cell activation and bone turnover markers (c-terminal telopeptide (CTX) and procollagen type 1 amino-terminal propeptide (P1NP)). METHODS: In this single visit pilot study, bone turnover markers, T-cell activation (CD38 + HLA - DR +) and senescence (CD57+) of T cells were measured in patients who had previously undergone dual energy X-ray absorptiometry scanning...
May 2017: Netherlands Journal of Medicine
https://www.readbyqxmd.com/read/28520214/mtorc1-inhibits-nf-%C3%AE%C2%BAb-nfatc1-signaling-and-prevents-osteoclast-precursor-differentiation-in-vitro-and-in-mice
#8
Yue Zhang, Song Xu, Kai Li, Kang Tan, Kangyan Liang, Jian Wang, Junhui Shen, Wenchong Zou, Le Hu, Daozhang Cai, Changhai Ding, Mangmang Li, Guozhi Xiao, Bin Liu, Anling Liu, Xiaochun Bai
The mechanistic target of rapamycin complex 1 (mTORC1) is a critical sensor for bone homeostasis and bone formation; however, the role of mTORC1 in osteoclast development and the underlying mechanisms have not yet been fully established. Here, we found that mTORC1 activity declined during osteoclast precursors differentiation in vitro and in vivo. We further targeted deletion of Raptor (mTORC1 key component) or Tsc1 (mTORC1 negative regulator) to constitutively inhibit or activate mTORC1 in osteoclast precursors (monocytes/macrophages), using LyzM-cre mice...
May 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28514618/aerobic-or-resistance-exercise-or-both-in-dieting-obese-older-adults
#9
RANDOMIZED CONTROLLED TRIAL
Dennis T Villareal, Lina Aguirre, A Burke Gurney, Debra L Waters, David R Sinacore, Elizabeth Colombo, Reina Armamento-Villareal, Clifford Qualls
BACKGROUND: Obesity causes frailty in older adults; however, weight loss might accelerate age-related loss of muscle and bone mass and resultant sarcopenia and osteopenia. METHODS: In this clinical trial involving 160 obese older adults, we evaluated the effectiveness of several exercise modes in reversing frailty and preventing reduction in muscle and bone mass induced by weight loss. Participants were randomly assigned to a weight-management program plus one of three exercise programs - aerobic training, resistance training, or combined aerobic and resistance training - or to a control group (no weight-management or exercise program)...
May 18, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28511512/evaluation-of-correlation-between-salivary-calcium-alkaline-phosphatase-and-osteoporosis-a-prospective-comparative-and-observational-study
#10
Mainak Kanti Saha, Prerna Agrawal, Suparna Ganguly Saha, Vinod Vishwanathan, Vandana Pathak, Sakuru Venkata Saiprasad, Purvi Dhariwal, Mahendra Dave
INTRODUCTION: Fixed and/or removable prosthodontics caters to the restorative needs of the largest count of geriatric patients whose rehabilitative procedures depend on the quality and quantity of available bone. The common diagnostic parameters for quantifying bone may involve an invasive blood examination, an expensive bone densitometry procedure or a urine analysis. Sialometry involving the basic biochemistry of saliva analysis may be proposed as an alternative to the conventional investigative protocol and its usefulness may be attributed owing to its non invasive and simpler procedure...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511429/an-assessment-of-osteoporotic-conditions-among-users-and-non-users-of-warfarin-a-case-control-study
#11
Aseel Hadi Abdulameer, Syed Azhar Bin Syed Sulaiman, Muhamad Bin Sk Abdul Kader
INTRODUCTION: Warfarin is an oral anticoagulant which is associated with a decrease in Bone Mass Density (BMD). AIM: The study aimed to explore the prevalence of osteoporosis conditions in Malaysians with chronic warfarin patients using calcaneal quarter of Quantitative Ultrasound (QUS) machine and to investigate whether long-term sodium warfarin therapy that antagonizes vitamin K is affecting the increasing rate of osteoporosis in Penang and to find the risk factors of getting osteoporosis among warfarin users and its non users...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28509627/impact-of-risk-reducing-salpingo-oophorectomy-in-premenopausal-women
#12
R F M Vermeulen, M van Beurden, C M Korse, G G Kenter
OBJECTIVES: To describe implications of premenopausal risk-reducing salpingo-oophorectomy (RRSO) on quality of life, endocrine symptoms, sexual function, osteoporosis, cardiovascular health, metabolic syndrome, cognitive impairment and safety of hormone replacement therapy. METHODS: We searched the following electronic databases: The Cochrane Library, EMBASE, PsycInfo, and MEDLINE. We selected controlled and uncontrolled trials of premenopausal women undergoing RRSO...
June 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28507624/the-prevalence-and-risk-factors-of-osteoporosis-among-a-saudi-female-diabetic-population
#13
Ibrahim Abdulrazag Al-Homood, Iman Sheshah, Abdel Gaffar A Mohammed, Gasim I Gasim
AIM: This study aimed to assess the prevalence and determinants of osteoporosis [lumbar spine (LS) and femoral neck (FN)] among patients with type 2 diabetes at King Salman Hospital. MATERIALS AND METHODS: One hundred seventy patients with type 2 diabetes were enrolled in this cross-sectional study in the period from the 1st of January until the 1st of July 2015. Patient selection was based on self-report of the previous diagnosis by a physician, being on an antidiabetic agent, or a fasting glucose of 126 mg/dl as per the American Diabetes Association criteria...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28493805/creating-three-dimensional-printed-models-of-acetabular-fractures-for-use-as-educational-tools
#14
Matthew S Manganaro, Yoav Morag, William J Weadock, Corrie M Yablon, Kara Gaetke-Udager, Erica B Stein
Acetabular fractures are frequently encountered in some clinical practices, and the precise classification of these fractures greatly influences treatments and outcomes. The authors identified the need for an educational aid when teaching acetabular fracture classifications, given the complex spatial anatomy and the nonintuitive classification system that is commonly used. Three-dimensional ( 3D three-dimensional ) printing is an evolving technique that has applications as an educational aid, providing the student with a tangible object to interact with and learn from...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28488893/vdr-rankl-and-opg-polymorphisms-as-possible-predisposing-cofactors-of-postmenopausal-osteoporosis-explorative-study-in-italian-population
#15
Elisabetta Mamolini, Carlo Cervellati, Pantaleo Greco, Alberto Carrieri, Leo Massari, Ilaria Crivellari, Chiara Scapoli, Gloria Bonaccorsi
Postmenopausal osteoporosis (PO) has a strong genetic component. Presently, the published evidence on the association between the main single-nucleotide polymorphisms (SNPs) of the receptor activator of nuclear factor-kb ligand (RANKL), osteoprotegerin (OPG) and vitamin D receptor (VDR) and bone mass density (BMD) are scarce, mostly considering Italian population. This study sought to determine whether OPG (rs2073618), RANKL (rs9525641) and the VDR (rs2228570) SNPs were associated with BMD in a sample of 139 North-Italian postmenopausal women...
May 10, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28488158/negative-impact-of-high-cumulative-glucocorticoid-dose-on-bone-metabolism-of-patients-with-myasthenia-gravis
#16
Nayara Felicidade Tomaz Braz, Natalia Pessoa Rocha, Érica Leandro Marciano Vieira, Rodrigo Santiago Gomez, Izabela Guimarães Barbosa, Olívio Brito Malheiro, Adriana Maria Kakehasi, Antonio Lucio Teixeira
This current study aimed to evaluate the frequency of low bone mass, osteopenia, and osteoporosis in patients with myasthenia gravis (MG) and to investigate the possible association between bone mineral density (BMD) and plasma levels of bone metabolism markers. Eighty patients with MG and 62 controls BMD were measured in the right femoral neck and lumbar spine by dual-energy X-ray absorptiometry. Plasma concentrations of osteocalcin, osteopontin, osteoprotegerin, tumor necrosis factor (TNF-α), interleukin (IL)-1β, IL-6, dickkopf (DKK-1), sclerostin, insulin, leptin, adrenocorticotropic hormone, parathyroid hormone, and fibroblast growth factor (FGF-23) were analyzed by Luminex®...
May 9, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28480789/bone-mineral-density-at-distal-forearm-in-men-over-40-years-of-age-in-mae-chaem-district-chiang-mai-province-thailand-a-pilot-study
#17
Montree Tungjai, Siriprapa Kaewjaeng, Chayanit Jumpee, Sompong Sriburee, Pongsiri Hongsriti, Monruedee Tapanya, Utumma Maghanemi, Kwanchai Ratanasthien, Suchart Kothan
OBJECTIVE: To study the prevalence of bone mineral density (BMD) and osteoporosis in the distal forearm among Thai men over 40 years of age in Mae Chaem District, Chiang Mai Province, Thailand. METHODS: The subjects in this study were 194 Thai men, aged between 40 and 87 years who resided in Mae Chaem District, Chiang Mai Province, Thailand. Self-administered questionnaires were used for receiving the demographic characteristics information. BMD was measured by peripheral dual energy X-ray absorptiometry at the nondominant distal forearm in all men...
May 8, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28473228/corticosteroid-treatment-exacerbates-bone-osteopenia-in-mice-with-gonadal-hormone-deficiency-induced-osteoporosis
#18
Riadh Badraoui, Nahed Amri, Nourhène Zammel, Rim Chaabane, Tarek Rebai
Gonadic deficiency and corticotherapy are important risk factors in the pathogenesis of osteoporosis. This study was outlined to assess the effects of combined orchidectomy (ORX) and corticosteroid (cortisol; CS) administration on bone remodeling and metabolism. Twenty-week-old male Swiss mice were randomized into four groups: either sham operated (sham), ORX, CS injected (CS), or ORX and CS injected (ORX+CS). After 28days, mice were euthanized. Both ORX and CS resulted in reduced trabecular volume, and mineral apposition rate and increased osteoclast number and activity...
May 1, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28471445/human-type-h-vessels-are-a-sensitive-biomarker-of-bone-mass
#19
Liang Wang, Fei Zhou, Peng Zhang, Hongzhen Wang, Zhipeng Qu, Peng Jia, Zhe Yao, Guangsi Shen, Guangfei Li, Guoyang Zhao, Jian Li, Yongtao Mao, Zonggang Xie, Wei Xu, Youjia Xu, Ying Xu
Vascularization is fundamental for bone formation and bone tissue homeostasis. However, in human subjects, a direct molecular relationship has not been identified between angiogenesis and agents that promote bone disease or factors related to age. Osteopenia is a condition in which bone mineral density is lower than normal, and it represents a sign of normal aging. Here we tested whether the type H vessel, which was recently identified as strongly positive for CD31 and Endomucin (CD31(hi)Emcn(hi)) in mice, is an important indicator of aging and osteopenia in human subjects...
May 4, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28470410/the-presence-of-symptoms-of-testosterone-deficiency-in-the-exercise-hypogonadal-male-condition-and-the-role-of-nutrition
#20
David R Hooper, William J Kraemer, Catherine Saenz, Kevin E Schill, Brian C Focht, Jeff S Volek, Carl M Maresh
PURPOSE: High volumes of aerobic exercise have been associated with reduced testosterone (T), known as the exercise-hypogonadal male condition (EHMC). Although the presence of low T has been identified, few studies have assessed the presence of androgen-deficient symptoms. The purpose of this investigation is to assess men exhibiting EHMC and evaluate their hypothalamic-pituitary-gonadal axis, the presence of hypogonadal symptoms, and also investigate a possible contribution of inadequate nutrition to the condition...
May 3, 2017: European Journal of Applied Physiology
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