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Showing 37 to 48 of 1368 entries
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Higher daily physical activity is associated with higher osteocalcin levels in adolescents.

Preventive medicine reports

Chahla SE, Frohnert BI, Thomas W, Kelly AS, Nathan BM, Polgreen LE.
PMID: 26236583
Prev Med Rep. 2015;2:568-571. doi: 10.1016/j.pmedr.2015.06.017.

BACKGROUND: Exercise stimulates bone remodeling and improves insulin sensitivity (Si), even without associated weight loss. Osteocalcin (OCN), a bone-derived protein, is associated with improved Si.PURPOSE: We examined how daily physical activity is associated with OCN and Si.METHODS: Physical activity...

An evaluation of the levels of vitamin d and bone turnover markers after the summer and winter periods in polish professional soccer players.

Journal of human kinetics

Kopeć A, Solarz K, Majda F, Słowińska-Lisowska M, Mędraś M.
PMID: 24232955
J Hum Kinet. 2013 Oct 08;38:135-40. doi: 10.2478/hukin-2013-0053. eCollection 2013.

Vitamin D is synthesised in the skin during exposure to sunlight. The fundamental roles of vitamin D are the regulation of calcium and phosphate metabolism and bone mineralisation. Low vitamin D levels in athletes may adversely affect their exercise...

Trajectories of Bone Remodeling Markers and Bone Mineral Density during Treatment with Strontium Ranelate in Postmenopausal Women Previously Treated with Bisphosphonates.

Clinical medicine insights. Endocrinology and diabetes

Lima H, Maia J, Bandeira F.
PMID: 24855401
Clin Med Insights Endocrinol Diabetes. 2014 May 01;7:7-11. doi: 10.4137/CMED.S15086. eCollection 2014.

OBJECTIVE: To evaluate the responses of C-terminal telopeptide (CTX) and serum osteocalcin after the first 4 months of treatment with strontium ranelate (SR) and demonstrate their association with long-term bone density changes.SUBJECTS AND METHODS: A sample of 13 postmenopausal...

Endocrine actions of osteocalcin.

International journal of endocrinology

Patti A, Gennari L, Merlotti D, Dotta F, Nuti R.
PMID: 23737779
Int J Endocrinol. 2013;2013:846480. doi: 10.1155/2013/846480. Epub 2013 Apr 30.

Osteocalcin is the most abundant noncollagenous protein of bone matrix. Once transcribed, this protein undergoes posttranslational modifications within osteoblastic cells before its secretion, including the carboxylation of three glutamic residues in glutamic acid, which is essential for hydroxyapatite binding...

Effects of toll-like receptors 3 and 4 in the osteogenesis of stem cells.

Stem cells international

Qi C, Xiaofeng X, Xiaoguang W.
PMID: 25610471
Stem Cells Int. 2014;2014:917168. doi: 10.1155/2014/917168. Epub 2014 Dec 25.

Objective. To investigate the effects of Toll-like receptors in stem cell osteogenesis. Methods. Bone marrow mesenchymal stem cells (BMSCs) were divided into the blank group, the TLR-3 activated group, and the TLR-4 activated group. After 10 days' osteogenic-promoting culture,...

Monitoring antiosteoporotic treatment of postmenopausal women using biochemical markers of bone turnover.

Drugs of today (Barcelona, Spain : 1998)

Kress BC, Mizrahi IA.
PMID: 12973383
Drugs Today (Barc). 1999 Mar;35(3):181-5. doi: 10.1358/dot.1999.35.3.533847.

Postmenopausal osteoporosis is preventable. An increasing number of antiresorptive therapies including estrogen, selective estrogen receptor modulators (the so-called designer estrogens), bisphosphonates and calcitonins are now available as treatment options for osteoporosis. These agents reduce the level of bone turnover...

Isolation of progenitor cells from cord blood using adhesion matrices.

Cytotechnology

Maurice S, Srouji S, Livne E.
PMID: 19003027
Cytotechnology. 2007 Jun;54(2):121-33. doi: 10.1007/s10616-007-9077-0. Epub 2007 Jun 30.

The aim of this study was to develop optimal conditions for selective adhesion and isolation of mesenchymal progenitor cells (MPCs) from cord blood and to determine their potential for osteogenic differentiation. Mononuclear cells (MNCs) were isolated by Ficoll-Paque gradient...

[Clinical usefulness serum int-P I NP levels as a bone formation marker in hemodialysis patients].

Clinical calcium

Shimizu G, Mitani S, Kawakami A, Nozaki K, Ueda M, Nakatska K, Inaba M, Nishizawa Y.
PMID: 15775351
Clin Calcium. 2002 May;12(5):639-44. doi: CliCa0205639644.

Since intact collagen I amino-terminal propeptide (P I NP) is known to be cleared from blood via liver, its level in blood is hypothesized to be independent of renal function. Serum P I NP, in contrast to serum bone...

The distribution of osteocalcin, degree of mineralization, and mechanical properties along the length of Cyprinus carpio rib bone.

Journal of materials science. Materials in medicine

Roy ME, Nishimoto SK, Rho JY, Bhattacharya SK, Pharr GM.
PMID: 15348241
J Mater Sci Mater Med. 2001 Aug;12(8):699-702. doi: 10.1023/a:1011268525937.

This study examined the spatial distribution of selected biochemical and mechanical properties along the length of carp rib bone. Carp rib bone was chosen because of its unusually high osteocalcin content relative to other extractable proteins. The amount of...

[The effect of fluoride on bone extracellular matrix proteins expression in rat calvarial osteoblast in culture].

Shanghai kou qiang yi xue = Shanghai journal of stomatology

Zhang WG, Wang LZ, Liu Z.
PMID: 15071676
Shanghai Kou Qiang Yi Xue. 1998 Jun;7(2):94-8.

OBJECTIVE:The expression of various non-collagenous proteins and collagen protein on the rat fetal calvarial osteoblast cultured in low doses fluoride condition in vitro had been studied.METHODS:Our study applied the immunohistochemistry technique to detect the expression of bone sialoprotein, osteocalcin,...

In vitro effects of dynamic strain on the proliferative and metabolic activity of human osteoblasts.

Journal of musculoskeletal & neuronal interactions

Kaspar D, Seidl W, Neidlinger-Wilke C, Claes L.
PMID: 15758513
J Musculoskelet Neuronal Interact. 2000 Dec;1(2):161-4.

AIM OF THE STUDY: It has been well shown by human and animal studies that mechanical load is an important regulator of skeletal mass and architecture. However, cellular reactions which adapt bone tissue to the mechanical environment are not...

In vitro response of primary rat osteoblasts to titania/hydroxyapatite coatings compared with transformed human osteoblast-like cells.

Journal of materials science. Materials in medicine

Ramires PA, Cosentino F, Milella E, Torricelli P, Giavaresi G, Giardino R.
PMID: 15348568
J Mater Sci Mater Med. 2002 Aug;13(8):797-801. doi: 10.1023/a:1016183326864.

The biocompatibility of titania/hydroxyapatite (TiO(2)HA) composite coatings, at different ratio obtained by sol-gel process, was investigated studying the behavior of primary cultures of rat osteoblastic cells, isolated by femoral trabecular bone tissue. Moreover, the results have been compared with...

Showing 37 to 48 of 1368 entries