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Osteopenia

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https://www.readbyqxmd.com/read/27933172/brown-tumor-of-the-jaw-after-pregnancy-and-lactation-in-a-men1-patient
#1
Anna Casteràs, Lídia Darder, Carles Zafon, Juan Antonio Hueto, Margarita Alberola, Enric Caubet, Jordi Mesa
: Skeletal manifestations of primary hyperparathyroidism (pHPT) include brown tumors (BT), which are osteoclastic focal lesions often localized in the jaws. Brown tumors are a rare manifestation of pHTP in Europe and USA; however, they are frequent in developing countries, probably related to vitamin D deficiency and longer duration and severity of disease. In the majority of cases, the removal of the parathyroid adenoma is enough for the bone to remineralize, but other cases require surgery...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27930311/spop-promotes-skeletal-development-and-homeostasis-by-positively-regulating-ihh-signaling
#2
Hongchen Cai, Aimin Liu
Indian Hedgehog (Ihh) regulates chondrocyte and osteoblast differentiation through the Glioma-associated oncogene homolog (Gli) transcription factors. Previous in vitro studies suggested that Speckle-type POZ protein (Spop), part of the Cullin-3 (Cul3) ubiquitin ligase complex, targets Gli2 and Gli3 for degradation and negatively regulates Hedgehog (Hh) signaling. In this study, we found defects in chondrocyte and osteoblast differentiation in Spop-null mutant mice. Strikingly, both the full-length and repressor forms of Gli3, but not Gli2, were up-regulated in Spop mutants, and Ihh target genes Patched 1 (Ptch1) and parathyroid hormone-like peptide (Pthlh) were down-regulated, indicating compromised Hh signaling...
December 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27924381/dual-energy-x-ray-absorptiometry-and-fracture-prediction-in-patients-with-spinal-cord-injuries-and-disorders
#3
L Abderhalden, F M Weaver, M Bethel, H Demirtas, S Burns, J Svircev, H Hoenig, K Lyles, S Miskevics, L D Carbone
: Low T-scores at the hip predict incident fractures in persons with a SCI. INTRODUCTION: Persons with a spinal cord injury (SCI) have substantial morbidity and mortality following osteoporotic fractures. The objective of this study was to determine whether dual-energy X-ray absorptiometry (DXA) measurements predict osteoporotic fractures in this population. METHODS: A retrospective historical analysis that includes patients (n = 552) with a SCI of at least 2 years duration who had a DXA performed and were in the VA Spinal Cord Disorders Registry from fiscal year (FY) 2002-2012 was performed...
December 6, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27924156/deficiency-of-atp6v1h-causes-bone-loss-by-inhibiting-bone-resorption-and-bone-formation-through-the-tgf-%C3%AE-1-pathway
#4
Xiaohong Duan, Jin Liu, Xueni Zheng, Zhe Wang, Yanli Zhang, Ying Hao, Tielin Yang, Hongwen Deng
Vacuolar-type H (+)-ATPase (V-ATPase) is a highly conserved, ancient enzyme that couples the energy of ATP hydrolysis to proton transport across vesicular and plasma membranes of eukaryotic cells. Previously reported mutations of various V-ATPase subunits are associated with increased bone density. We now show that haploinsufficiency for the H subunit of the V1 domain (ATP6V1H) is associated with osteoporosis in humans and mice. A genome-wide SNP array analysis of 1625 Han Chinese found that 4 of 15 tag SNPs (26...
2016: Theranostics
https://www.readbyqxmd.com/read/27919248/bone-mineral-density-in-patients-with-multiple-sclerosis-hereditary-ataxia-or-hereditary-spastic-paraplegia-after-at-least-10%C3%A2-years-of-disease-a-case-control-study
#5
Cecilia Smith Simonsen, Elisabeth Gulowsen Celius, Cathrine Brunborg, Chantal Tallaksen, Erik Fink Eriksen, Trygve Holmøy, Stine Marit Moen
BACKGROUND: Although disability is considered the main cause of low bone mineral density (BMD) in multiple sclerosis (MS), other factors related to the disease process or treatment could also be involved. The aim of this study was to assess whether patients with MS are more likely to develop low BMD (osteopenia or osteoporosis) than patients with the non-inflammatory neurological diseases Hereditary Spastic Paraplegia (HSP) and Hereditary Ataxia (HA). METHODS: We performed a case control study comparing BMD (spine, hip and total body) and biochemical measures of bone metabolism in 91 MS patients and 77 patients with HSP or HA, matched for age, gender and disability...
December 5, 2016: BMC Neurology
https://www.readbyqxmd.com/read/27914693/high-prevalence-of-osteoporosis-and-morphometric-vertebral-fractures-in-indian-males-aged-60-years-and-above-should-age-for-screening-be-lowered
#6
Khurshid A Bhat, Manisha Kakaji, Ashish Awasthi, Manoj Shukla, Manoj Dubey, Rajesh Srivastava, Uttam Singh, Sushil K Gupta
Current guidelines recommend bone mineral density (BMD) measurement in asymptomatic men above age 70 years and vertebral fracture (VF) assessment above 80 years with T-score <-1.0 with risk factors. We studied the prevalence of osteoporosis and morphometric VF in asymptomatic males aged 60 years and above in North India. Free-living community-dwelling men (n = 241, age: mean ± standard deviation 68.0 ± 6.2 years) underwent a detailed history, physical examination, biochemical evaluation, and BMD measurements at 3 sites: lumbar spine, total hip (TH), and femoral neck (FN)...
November 30, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/27913900/bone-mineral-density-of-extremities-is-associated-with-coronary-calcification-and-biopsy-verified-vascular-calcification-in-living-donor-renal-transplant-recipients
#7
Zhimin Chen, Jia Sun, Mathias Haarhaus, Peter Barany, Lars Wennberg, Jonaz Ripsweden, Torkel B Brismar, Bengt Lindholm, Annika Wernerson, Magnus Söderberg, Peter Stenvinkel, Abdul Rashid Qureshi
Chronic kidney disease (CKD) mineral and bone disorders (CKD-MBD) may lead to low bone mineral density (BMD) and vascular calcification (VC), but links to the latter are unclear. Here we investigated associations between BMD, coronary artery calcium (CAC) scores, and histological signs of VC in end-stage renal disease (ESRD) patients undergoing living-donor kidney transplantation (LD-Rtx). In 66 ESRD patients (median age 45 years, 68% males), BMD (by dual-energy X-ray absorptiometry, DXA), CAC score (by computed tomography, CT; n = 54), and degree of VC score (graded by histological examination of epigastric artery specimens collected at LD-Rtx; n = 55) were assessed at the time of LD-Rtx...
December 2, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27911974/commentary-on-prevalence-of-osteopenia-and-osteoporosis-in-patients-with-noncystic-fibrosis-bronchiectasis
#8
Brandi Newsome
No abstract text is available yet for this article.
December 2016: Southern Medical Journal
https://www.readbyqxmd.com/read/27911973/prevalence-of-osteopenia-and-osteoporosis-in-patients-with-noncystic-fibrosis-bronchiectasis
#9
Nathan Diehl, Margaret M Johnson
OBJECTIVE: The objective of our study was to define the prevalence of osteoporosis and osteopenia in patients with noncystic fibrosis bronchiectasis (NCFB). METHODS: We conducted a retrospective chart review of all patients with physician-diagnosed NCFB evaluated at Mayo Clinic Florida between January 1, 2011 and June 3, 2013. RESULTS: A total of 113 patients with physician-diagnosed NCFB and confirmatory findings on computed tomography scan were identified...
December 2016: Southern Medical Journal
https://www.readbyqxmd.com/read/27910707/standard-hormone-therapy-is-inadequate-for-bone-density-in-premature-ovarian-insufficiency
#10
Helena Giraldo, Cristina Benetti-Pinto, Valeska Ferreira, Heraldo Garmes, Daniela Yela, Paulo Giraldo
To assess standard dose hormone therapy (HT) and bone mass in premature ovarian insufficiency (POI), 239 women with POI, 132 using standard estrogen dose HT and 107 women without HT, were evaluated. All underwent bone mineral density (BMD) evaluation in the lumbar spine (LS) and total femur (TF). Mean age, age at last period and body mass index (BMI) for the untreated and for the HT groups were 38.1 ± 6.1 and 36.8 ± 7.3 years; 31.4 ± 7.3 and 30.7 ± 7.2 years; 26.6 ± 7.1 and 25.8 ± 4...
December 2, 2016: Gynecological Endocrinology
https://www.readbyqxmd.com/read/27908965/inf-%C3%AE-encoding-plasmid-administration-triggers-bone-loss-and-disrupts-bone-marrow-microenvironment
#11
Dimitrios Agas, Guilherme Gusmâo Silva, Fulvio Laus, Andrea Marchigiani, Melania Capitani, Cecilia Vullo, Giuseppe Catone, Giovanna Lavava, Antonio Concetti, Luigi Marchetti, Maria Giovanna Sabbieti
IFN-γ is a pleotropic cytokine produced in the bone microenvironment. Although IFN-γ is known to play a critical role on bone remodeling, its function is not fully elucidated. Consistently, outcomes on the effects of IFN-γ recombinant protein on bone loss are contradictory among reports. In our work we explored, for the first time, the role of IFN-γ encoding plasmid (pIFN-γ) in a mouse model of osteopenia induced by ovariectomy and in the sham-operated counterpart to estimate its effects in skeletal homeostasis...
December 1, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27906970/poor-compliance-to-hormone-therapy-and-decreased-bone-mineral-density-in-women-with-premature-ovarian-insufficiency
#12
Anne Bachelot, Carole Nicolas, Solenne Gricourt, Jérôme Dulon, Monique Leban, Jean Louis Golmard, Philippe Touraine
Premature ovarian insufficiency leads to through infertility and estrogen deficiency. Optimal management encompasses estrogen replacement therapy. Long-term outcome of women with POI is not known. We design a study to evaluate the medical care, hormone replacement therapy compliance and bone mineral density (BMD) in POI women with at least a five-year follow-up after the first evaluation. One hundred and sixty-two patients (37.3±8.0 years) were evaluated (follow-up 7.9±2.8 years). Sixty-nine patients (42...
2016: PloS One
https://www.readbyqxmd.com/read/27904511/correlation-research-between-osteoporosis-and-left-ventricular-hypertrophy-in-older-men
#13
Chenshu Huang, Shaolin Li
INTRODUCTION: The aim of the study was to correlate between osteoporosis and left ventricular hypertrophy (LVH) in older men. MATERIAL AND METHODS: One hundred and forty-six cases of senile male subjects were selected and divided into a normal bone mineral density group, an osteopenia group, and an osteoporosis group based on bone mineral density (BMD). Detailed history inquiry and clinical examination were used to determine biochemical indicators. Femoral neck BMD and lumbar BMD were determined...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27889053/osteoporosis-in-postmenopausal-women-living-with-hiv
#14
REVIEW
Fionnuala Finnerty, Karen Walker-Bone, Shema Tariq
The widespread availability of effective antiretroviral therapy (ART) has transformed HIV from a life-limiting condition to one with near-normal life expectancy. HIV is associated with an increased risk of osteopenia and osteoporosis, with people living with HIV (PLHIV) potentially experiencing these conditions at a younger age than their HIV-negative counterparts. The mechanisms driving bone disease in HIV are complex and include: an increased prevalence of traditional risk factors; other comorbid conditions; and HIV-associated factors such as viral effects, systemic inflammation, and ART-related factors...
January 2017: Maturitas
https://www.readbyqxmd.com/read/27889047/sex-differences-in-the-association-between-stroke-and-bone-mineral-density-in-elderly-koreans-the-korean-national-health-and-nutrition-examination-survey-2008-2010
#15
Ji Eun Lee, Hye-Rim Jeon, Jung Keun Park, Kyung-Do Han, Ji-Hyun Kim, Jinnie Yoon, Seok-Won Park, Yang-Hyun Kim, Kyung-Hwan Cho
OBJECTIVES: The aim of this study was to investigate whether osteoporosis is more prevalent in elderly Korean people who have had a stroke and whether the association differs by sex. STUDY DESIGN: A total of 3806 elderly subjects (1951 men and 1855 women) from the Korea National Health and Nutrition Examination Survey were included in this study. Stroke history was determined by self-administered questionnaire. Bone mineral density (BMD) was measured at the lumbar spine, total hip, and neck of the femur using dual-energy X-ray absorptiometry...
January 2017: Maturitas
https://www.readbyqxmd.com/read/27873076/the-association-of-testosterone-sex-hormone-binding-globulin-and-insulin-like-growth-factor-1-with-bone-parameters-in-korean-men-aged-50%C3%A2-years-or-older
#16
Hye-Jung Kim, Hyung Suk Koo, Young-Sang Kim, Moon Jong Kim, Kwang-Min Kim, Nam-Seok Joo, Ji-Hee Haam
Testosterone and insulin-like growth factor-1 (IGF-1) are essential factors for the maintenance of bone health in men. However, the results for the association of testosterone and IGF-1 with bone parameters were not consistent in prior studies. We evaluated the relationship of testosterone, sex hormone-binding globulin (SHBG), and IGF-1 with bone mineral density (BMD) and bone turnover markers (BTMs) in Korean men. We enrolled 1227 men aged ≥50 years in this cross-sectional study. Serum levels of total testosterone (TT), SHBG, IGF-1, osteocalcin, and C-terminal cross-linking telopeptide of type I collagen (CTX) were measured...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27871226/functional-validation-of-novel-compound-heterozygous-variants-in-b3gat3-resulting-in-severe-osteopenia-and-fractures-expanding-the-disease-phenotype
#17
Florian Job, Shuji Mizumoto, Laurie Smith, Natario Couser, Ashley Brazil, Howard Saal, Melanie Patterson, Margaret I Gibson, Sarah Soden, Neil Miller, Isabelle Thiffault, Carol Saunders, Shuhei Yamada, Katrin Hoffmann, Kazuyuki Sugahara, Emily Farrow
BACKGROUND: A new disease class of syndromes, described as linkeropathies, which are derived from defects in the glycosaminoglycan-linker region as well as glycosaminoglycan-side chains of proteoglycans is increasingly being recognized as a cause of human disease. Proteoglycans are an essential component of the extracellular matrix. Defects in the enzymatic process of proteoglycan synthesis broadly occur due to the incorrect addition of side chains. Previously, homozygous missense variants within the B3GAT3 gene encoding beta 1,3 glucuronyltransferase 3(GlcAT-I) responsible for the biosynthesis of glycosaminoglycans have been described in 7 individuals...
November 21, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27861865/mechanical-stress-regulates-bone-metabolism-through-micrornas
#18
REVIEW
Yu Yuan, Lingli Zhang, Xiaoyang Tong, Miao Zhang, Yilong Zhao, Jianming Guo, Le Lei, Xi Chen, Jennifer Tickner, Jiake Xu, Jun Zou
There are many lines of evidence indicating that mechanical stress regulates bone metabolism and promotes bone growth. BMP, Wnt, ERK1/2, and OPG/RANKL are the main molecules thought to regulate the effects of mechanical loading on bone formation. Recently, microRNAs were found to be involved in bone cell proliferation and differentiation, regulating the balance of bone formation and bone resorption. Emerging evidence indicates that microRNAs also participate in mechanical stress-mediated bone metabolism, and is associated with disuse induced osteoporosis or osteopenia...
November 15, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27860483/bone-mineral-density-at-different-sites-and-vertebral-fractures-in-serbian-postmenopausal-women
#19
O Ilic Stojanovic, M Vuceljic, M Lazovic, M Gajic, N Radosavljevic, D Nikolic, M Andjic, D Spiroski, S Vujovic
OBJECTIVES: This randomized study aimed to evaluate the correlation between bone mineral densities (BMD) measured at different sites and the frequency of vertebral fractures in a group of Serbian postmenopausal women. METHOD: BMD was measured in 130 naïve postmenopausal women by dual X-ray absorptiometry (DXA) at the ultra-distal part of the forearms, at the hip and at the lumbar spine. At each of the measurement sites, the patients were categorized as osteoporotic, or osteopenic, or in the reference range...
November 18, 2016: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/27859736/relationship-between-a163g-osteoprotegerin-gene-polymorphism-and-other-osteoporosis-parameters-in-roma-and-non-roma-postmenopausal-women-in-eastern-slovakia
#20
Marta Mydlárová Blaščáková, Ľudmila Blaščáková, Janka Poráčová, Jozef Mydlár, Janka Vašková, Jarmila Bernasovská, Iveta Boroňová, Eva Petrejčíková, Ivan Bernasovský
BACKGROUND: The study was focused on evaluating the possible correlation between biochemical, anthropometric, and genetic indicators of osteoporosis in postmenopausal women. The frequency of genotypes and differences in measured parameters were evaluated within two ethnically different groups of women in Slovakia. METHODS: The study included 310 postmenopausal women divided into non-Roma and Roma groups. Based on results of densitometry, they were divided into control groups and women with osteoporosis and osteopenia...
November 15, 2016: Journal of Clinical Laboratory Analysis
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