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Bone turnover markers

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https://www.readbyqxmd.com/read/27918446/metabolomics-and-its-application-in-the-development-of-discovering-biomarkers-for-osteoporosis-research
#1
REVIEW
Huanhuan Lv, Feng Jiang, Daogang Guan, Cheng Lu, Baosheng Guo, Chileung Chan, Songlin Peng, Baoqin Liu, Wenwei Guo, Hailong Zhu, Xuegong Xu, Aiping Lu, Ge Zhang
Osteoporosis is a progressive skeletal disorder characterized by low bone mass and increased risk of fracture in later life. The incidence and costs associated with treating osteoporosis cause heavy socio-economic burden. Currently, the diagnosis of osteoporosis mainly depends on bone mineral density and bone turnover markers. However, these indexes are not sensitive and accurate enough to reflect the osteoporosis progression. Metabolomics offers the potential for a holistic approach for clinical diagnoses and treatment, as well as understanding of the pathological mechanism of osteoporosis...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916484/associations-between-fgf21-osteonectin-and-bone-turnover-markers-in-type-2-diabetic-patients-with-albuminuria
#2
Lingling Xu, Meng Niu, Weihong Yu, Weibo Xia, Fengying Gong, Ou Wang
AIM: We measured the levels of bone turnover markers (BTMs) in patients with early diabetic nephropathy from type 2 diabetes mellitus (T2DM), and investigated the associations of BTMs with adipokines, serum fibroblast growth factor-21 (FGF21) and osteonectin. METHODS: We included 159 males and 300 females with T2DM in this cross-sectional study. Clinical characteristics, BTMs and adipokines levels were measured. RESULTS: One-hundred and ninety-two (41...
November 17, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27909781/the-ability-of-low-magnitude-mechanical-signals-to-normalize-bone-turnover-in-adolescents-hospitalized-for-anorexia-nervosa
#3
A D DiVasta, H A Feldman, C T Rubin, J S Gallagher, N Stokes, D P Kiel, B D Snyder, C M Gordon
: We sought to determine whether low-magnitude mechanical stimulation (LMMS) normalizes bone turnover among adolescents hospitalized for anorexia nervosa (AN). Brief, daily LMMS prevents the decline in bone turnover typically seen during bed rest in AN. LMMS may have application for patients with AN in the inpatient setting to protect bone health. INTRODUCTION: Malnourished adolescents with AN requiring medical hospitalization are at high risk for rapid reduction in skeletal quality...
December 1, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27908964/effects-of-the-etonogestrel-contraceptive-implant-implanon%C3%A2-on-bone-metabolism-during-lactation-a-prospective-study
#4
Candan Iltemir Duvan, Yuksel Onaran, Esra Aktepe Keskin, Ebru Yüce, Burcu Yanık, Hasan Kafali, Nilgun Ozturk Turhan
AIM: To evaluate the effects of the etonogestrel contraceptive implant (Implanon(®)) on bone metabolism in lactating women using markers for bone formation and resorption. STUDY DESIGN: This single-centre, prospective cohort study was conducted in Turgut Ozal University Medical Faculty Obstetrics and Gynecology Department with healthy lactating women aged between 24 and 38 years to compare the effect on bone metabolism of 6 months' use of either the implant or a non-hormonal contraceptive method...
December 1, 2016: Journal of Family Planning and Reproductive Health Care
https://www.readbyqxmd.com/read/27898869/effects-of-dietary-calcium-and-phosphorus-on-reproductive-performance-and-markers-of-bone-turnover-in-stall-or-group-housed-sows
#5
F P Y Tan, S A Kontulainen, A D Beaulieu
Increasing productivity and new housing standards necessitate a reevaluation of nutrient requirements for sows, including minerals. The objective of this study was to determine if the recommended levels of dietary Ca and P are adequate for sows housed in groups and that, therefore, have the potential for increased mobility. A total of 180 multiparous sows and gilts were assigned to 1 of 6 treatments. Treatments, arranged as a 3 × 2 factorial, included the main effects of dietary Ca:P-0.70:0.55% Ca:P (as-fed basis; control), 0...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27888435/increased-sclerostin-and-bone-turnover-after-diet-induced-weight-loss-in-type-2-diabetes-a-post-hoc-analysis-of-the-madiab-trial
#6
Rocky Strollo, Andreea Soare, Yeganeh Manon Khazrai, Antonio Di Mauro, Andrea Palermo, Rossella Del Toro, Sara Fallucca, Maria Giovanna Belluomo, Laura Dugo, Mario Pianesi, Paolo Pozzilli, Nicola Napoli
BACKGROUND: Sclerostin has been directly related to bone turnover increase in dietary-induced weight loss in non-diabetics. This has not been studied in type 2 diabetes, a condition characterized by increased circulating sclerostin and impaired bone turnover. PURPOSE: To study the effect of dietary weight loss and quality of the dietary intervention on changes of sclerostin and bone turnover markers in type 2 diabetes. METHODS: This was a post-hoc analysis of the MADIAB trial, a 21-day randomized controlled trial on overweight/obese type 2 diabetes patients...
November 25, 2016: Endocrine
https://www.readbyqxmd.com/read/27888285/efficacy-of-statins-for-osteoporosis-a-systematic-review-and-meta-analysis
#7
REVIEW
T An, J Hao, S Sun, R Li, M Yang, G Cheng, M Zou
Our meta-analysis assessed the efficacy of statins on the risk of fracture, bone mineral density (BMD), and the markers of bone metabolism by collecting data from 33 clinical trials. We found that statin treatment was associated with bone metabolism. And statins seemed to be more effective on male patients with osteoporosis. The efficacy of statins for the treatment of osteoporosis has been controversial in previous studies and meta-analyses. Our meta-analysis was conducted to examine in detail the efficacy of statins on osteoporosis...
November 25, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27883324/hormone-therapy-reduces-bone-resorption-but-not-bone-formation-in-postmenopausal-athletes
#8
Suzy Y Honisett, David Pagliaro, Kathy Tangalakis, Bronwyn Kingwell, Peter Ebeling, Robyn Craven, Juliana Antonopillai, Vasso Apostolopoulos, Lily Stojanovska
INTRODUCTION: Independently, hormone therapy and exercise have well-established protective effects on bone parameters. The combined effects of hormone therapy and exercise, however, are less clear. We, therefore, examined the effects of hormone therapy on bone turnover markers in postmenopausal women undergoing regular high intensity exercise. METHODS: In a randomised, double blind study, postmenopausal athletes competing at Masters level, received either hormone therapy (50 μg transdermal oestradiol, 5 mg MPA, n = 8) or placebo (n = 7) for 20 weeks...
November 1, 2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27883319/the-effects-of-hormonal-therapy-and-exercise-on-bone-turnover-in-postmenopausal-women-a-randomised-double-blind-pilot-study
#9
Suzy Y Honisett, Kathy Tangalakis, John Wark, Vasso Apostolopoulos, Lily Stojanovska
INTRODUCTION: Hormone replacement therapy (HRT) and walking were investigated independently and in combination, to determine which treatment provided most effect on bone turnover in postmenopausal women. METHODS: Using a randomised double-blind pilot study, 10 subjects received HRT (transdermal estradiol, 50 μg/day and oral MPA 5 mg/day) and 12 received placebo for 20 weeks. Following a baseline period of treatment, both groups undertook a graduated walking regimen, which increased in intensity, duration and frequency parameters from weeks 8-20...
November 1, 2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27881458/dosage-of-estradiol-bone-and-body-composition-in-turner-syndrome-a-5-year-randomized-controlled-clinical-trial
#10
Line Cleemann, Kirsten Holm, Hanne Kobbernagel, Bent Kristensen, Sven Oluf Skouby, Andreas Emil Kryger Jensen, Claus Hojbjerg Gravholt
OBJECTIVE: Reduced bone mineral density (BMD) is seen in Turner syndrome (TS) with an increased risk of fractures, and body composition is characterized by increased body fat and decreased lean body mass. To evaluate the effect of two different doses of oral 17ß-estradiol in young TS women on bone mineral density (BMD), biochemical markers of bone turnover, and body composition with the hypothesis of a positive effect of the higher dose. DESIGN: A double-blind 5-year randomized controlled clinical trial...
November 23, 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27879570/bone-turnover-markers-as-a-new-predicting-factor-for-non-union-after-spinal-fusion-surgery
#11
Hiroyuki Inose, Tsuyoshi Yamada, Mieradili Mulati, Takashi Hirai, Shuta Ushio, Toshitaka Yoshii, Tsuyoshi Kato, Shigenori Kawabata, Atsushi Okawa
STUDY DESIGN: Retrospective observational study. OBJECTIVE: We investigated whether bone turnover markers could be a useful indicator for prediction of nonunion. SUMMARY OF BACKGROUND DATA: Nonunion is a major complication of lumbar spinal fusion surgery. However, the involvement of bone turnover in the process of bony union in spinal fusion surgery is poorly understood. METHODS: Of the 74 patients analyzed, 13 were diagnosed with nonunion...
November 22, 2016: Spine
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
#12
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/27871812/effects-of-roux-en-y-gastric-bypass-and-sleeve-gastrectomy-on-bone-mineral-density-and-marrow-adipose-tissue
#13
Miriam A Bredella, Logan B Greenblatt, Alireza Eajazi, Martin Torriani, Elaine W Yu
Bariatric surgery is associated with bone loss but skeletal consequences may differ between Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG), the two most commonly performed bariatric procedures. Furthermore, severe weight loss is associated with high marrow adipose tissue (MAT); however, MAT is also increased in visceral adiposity. The purpose of our study was to determine the effects of RYGB and SG on BMD and MAT. We hypothesized that both bariatric procedures would lead to a decrease in BMD and MAT...
November 15, 2016: Bone
https://www.readbyqxmd.com/read/27869358/disease-systems-analysis-of-bone-mineral-density-and-bone-turnover-markers-in-response-to-alendronate-placebo-and-washout-in-postmenopausal-women
#14
J Berkhout, J A Stone, K M Verhamme, M Danhof, T M Post
A previously established mechanism-based disease systems model for osteoporosis that is based on a mathematically reduced version of a model describing the interactions between osteoclast (bone removing) and osteoblast (bone forming) cells in bone remodeling has been applied to clinical data from women (n = 1,379) receiving different doses and treatment regimens of alendronate, placebo, and washout. The changes in the biomarkers, plasma bone-specific alkaline phosphatase activity (BSAP), urinary N-telopeptide (NTX), lumbar spine bone mineral density (BMD), and total hip BMD, were linked to the underlying mechanistic core of the model...
November 21, 2016: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/27868084/the-association-between-bone-turnover-markers-and-kyphosis-in-community-dwelling-older-adults
#15
Corinne R McDaniels-Davidson, Donna Kritz-Silverstein, Mei-Hua Huang, Gail A Laughlin, Sarah Johnson, Jouko Haapalahti, Diane L Schneider, Elizabeth Barrett-Connor, Deborah M Kado
PURPOSE: Hyperkyphosis, accentuated curvature of the thoracic spine, is often attributed to osteoporosis, yet its underlying pathophysiology is not well understood. Bone turnover markers (BTM) reflect the dynamic process of bone formation and resorption. This study examined the association between serum BTM levels and kyphosis in community-dwelling older adults. METHODS: Between 2003 and 2006, 760 men and women in the Rancho Bernardo Study age 60 and older had blood drawn and kyphosis measured...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/27867890/bone-turnover-markers-emerging-tool-in-the-management-of-osteoporosis
#16
REVIEW
Sahana Shetty, Nitin Kapoor, Joseph Dian Bondu, Nihal Thomas, Thomas Vizhalil Paul
Bone is a dynamic tissue which undergoes constant remodeling throughout the life span. Bone turnover is balanced with coupling of bone formation and resorption at various rates leading to continuous remodeling of bone. A study of bone turnover markers (BTMs) provides an insight of the dynamics of bone turnover in many metabolic bone disorders. An increase in bone turnover seen with aging and pathological states such as osteoporosis leads to deterioration of bone microarchitecture and thus contributes to an increase in the risk of fracture independent of low bone mineral density (BMD)...
November 2016: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27866377/unusual-cause-of-hypercalcaemia-in-end-stage-renal-failure-patients
#17
Hooi Khee Teo, Jiunn Wong
Immobility-induced hypercalcaemia is rarely considered in patients on dialysis and is a challenging diagnosis to make. This is especially so due to the lack of biomarkers as well as the notion that calcium metabolism is mostly related to chronic kidney disease-metabolic bone disorder due to the role of iPTH. We present two cases of our dialysis patients, who were clinically unwell from hypercalcemia. We were initially uncertain of the cause of hypercalcemia as despite our attempts to adjust treatment based on their biochemical findings, we were unable to correct the hypercalcemia...
November 20, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/27866216/association-of-circulating-dipeptidyl-peptidase-4-levels-with-osteoporotic-fracture-in-postmenopausal-women
#18
H Kim, K H Baek, S-Y Lee, S H Ahn, S H Lee, J-M Koh, Y Rhee, C H Kim, D-Y Kim, M-I Kang, B-J Kim, Y-K Min
: Postmenopausal women with osteoporotic fracture (OF) had higher plasma dipeptidyl-peptidase 4 (DPP4) levels than those without. Furthermore, higher plasma DPP4 levels were significantly associated with higher bone turnover and a higher prevalence of OF. These results indicated that DPP4 may be associated with OF by mediating bone turnover rate. INTRODUCTION: Evidence indicates that dipeptidyl-peptidase 4 (DPP4) plays a distinct role in bone metabolism. However, there has been no report on the association, if any, between circulating DPP4 levels and osteoporosis-related phenotypes, including osteoporotic fracture (OF)...
November 19, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27845263/osteoclastogenic-capacity-of-peripheral-blood-mononuclear-cells-is-not-different-between-women-with-and-without-osteoporosis
#19
W N H Koek, B C J van der Eerden, R D A M Alves, M van Driel, M Schreuders-Koedam, M C Zillikens, J P T M van Leeuwen
INTRODUCTION: Peripheral Blood Mononuclear Cells (PBMCs) have been extensively used as a culture model to generate osteoclasts in vitro. The aim of this study was to assess the osteoclastogenic potential of PBMCs derived from post-menopausal women with longstanding osteoporosis and compare this with PBMCs from healthy controls. MATERIAL AND METHODS: We selected from the population-based Rotterdam Study 82 participants of which 43 were diagnosed with osteoporosis (T-score below -2...
November 12, 2016: Bone
https://www.readbyqxmd.com/read/27845262/effect-of-pubertal-suppression-and-cross-sex-hormone-therapy-on-bone-turnover-markers-and-bone-mineral-apparent-density-bmad-in-transgender-adolescents
#20
Mariska C Vlot, Daniel T Klink, Martin den Heijer, Marinus A Blankenstein, Joost Rotteveel, Annemieke C Heijboer
Puberty is highly important for the accumulation of bone mass. Bone turnover and bone mineral density (BMD) can be affected in transgender adolescents when puberty is suppressed by gonadotropin-releasing hormone analogues (GnRHa), followed by treatment with cross-sex hormone therapy (CSHT). We aimed to investigate the effect of GnRHa and CSHT on bone turnover markers (BTMs) and bone mineral apparent density (BMAD) in transgender adolescents. Gender dysphoria was diagnosed based on diagnostic criteria according to the DSM-IV (TR)...
November 11, 2016: Bone
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