PubMed Journals Articles About "Fosamax Bone Loss Study: Alendronate To Prevent Bone Loss" RSS

11:33 EDT 20th June 2019 | BioPortfolio

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Showing "Fosamax Bone Loss Study Alendronate Prevent Bone Loss" PubMed Articles 1–25 of 68,000+

Trabecular bone score and bone remodeling markers identify perimenopausal women at high risk of bone loss.

Bone loss is accelerated in the late perimenopause and early menopause. The date of the final menstrual period cannot be stated until 1 year after it has ended, and at that time, most of the rapid bone loss phase will have elapsed. Therefore, early detection of bone loss is crucial.

Time course of rapid bone loss and cortical porosity formation observed by longitudinal μCT in a rat model of CKD.

Rodent studies of bone in chronic kidney disease have primarily relied on end-point examinations of bone microarchitecture. This study used longitudinal in vivo microcomputed tomography (in vivo μCT) to characterize the onset and progression of bone loss, specifically cortical porosity, in the Cy/+ rat of model of CKD.

Changes in trabecular bone score and bone mineral density following allogeneic hematopoietic stem cell transplantation.

It has been demonstrated that bone mineral density (BMD) loss is substantial within the first 12 months after allogeneic hematopoietic stem cell transplantation (alloHSCT). Declines in BMD showed a disproportionate cortical bone loss even though trabecular bone is metabolically more active than cortical bone. This finding suggests a unique mechanism. However, the structural bone deficits after alloHSCT have not been well characterized. The trabecular bone score (TBS) has emerged as a method to assess bone...

Combined administration on You-Gui Yin and low-dose Raloxifene partially attenuates the bone loss in ovariectomized mice through the proliferation and osteogenic differentiation of bone marrow stromal cells.

Osteoporosis is a systemic skeletal disease of fragility fractures due to the loss of mass and deterioration of the microarchitecture of bone.

G-CSF partially mediates effects of sleeve gastrectomy on the bone marrow niche.

Bariatric surgeries are integral to the management of obesity and its metabolic complications. However, these surgeries cause bone loss and increase fracture risk through poorly understood mechanisms. In a mouse model, vertical sleeve gastrectomy (VSG) caused trabecular and cortical bone loss that was independent of sex, body weight, and diet, and this loss was characterized by impaired osteoid mineralization and bone formation. VSG had a profound effect on the bone marrow niche, with rapid loss of marrow a...

Effect of a hypocaloric, nutritionally complete, higher-protein meal plan on bone density and quality in older adults with obesity: a randomized trial.

Dietary protein and micronutrients are important to the maintenance of bone health and may be an effective countermeasure to weight-loss-associated bone loss.

Absence of p21(WAF1/CIP1/SDI1) protects against osteopenia and minimizes bone loss after ovariectomy in a mouse model.

p21(WAF1/CIP1/SDI1) is a critical sentinel of the cell cycle that plays an important role in determining cell fate with respect to proliferation, differentiation and apoptosis. Recent studies have demonstrated that inhibition/loss of p21 promotes osteo-chondro differentiation in progenitor/stem cells, and that p21 knockout (p21-/-) mice demonstrate enhanced bone regeneration compared to wild-type controls after a non-critical size defect. It was therefore hypothesized that the absence of p21 may also protec...

Senescent and apoptotic osteocytes and aging: Exercise to the rescue?

Osteocytes are the most prevalent cell in the skeleton and are the master regulator of bone remodeling. Despite the understanding that osteocytes have a multiyear lifespan, and some factors induce apoptosis in osteocytes, much less is understood about the induction and consequences of osteocyte senescence. Filling these gaps in knowledge will provide novel approaches to slowing age-related bone loss and preventing fragility fractures. The purpose of this review is to examine the roles of senescence and apop...

Odanacatib Restores Trabecular Bone of Skeletally Mature Female Rabbits With Osteopenia but Induces Brittleness of Cortical Bone: A Comparative Study of the Investigational Drug With PTH, Estrogen, and Alendronate.

Is bone loss a physiological cost of reproduction in the Great fruit-eating bat Artibeus lituratus?

During mammalian pregnancy and lactation, the maternal demand for calcium is increased to satisfy fetus and newborn skeletal growth. In addition to the dietary intake, females use the calcium contained in their bones to supply this increased demand, leading to a decrease in maternal bone mineral content. In reproductive insectivorous female bats, bone loss has been described as a physiological cost of reproduction, due to the reported increased risk of bone fracture. This physiological cost may be the mecha...

Humeral Bone Loss in Revision Total Shoulder Arthroplasty: the Proximal Humeral Arthroplasty Revision Osseous inSufficiency (PHAROS) Classification System.

Humeral bone loss is commonly encountered during revision shoulder arthroplasty and anticipating humeral bone defects can help the revision surgeon make appropriate plans to achieve adequate fixation and stability. No validated classification system exists to characterize humeral bone loss in the setting of revision shoulder arthroplasty.

Weight Loss-Induced Reduction of Bone Mineral Density in Older Adults with Obesity.

Obesity in older adults is a growing public health problem, yet the appropriate treatment remains controversial partly due to evidence that weight loss reduces bone mass and may increase fracture risk. The purpose of this review is to summarize the research to date on the effects of diet-induced weight loss on bone health in obese (body mass index 30 kg/m and above) older (aged 65 years or older) adults. Observational studies have shown that weight loss in this population decreases total hip bone minera...

Fermentation Improves the Preventive Effect of Soybean Against Bone Loss in Senescence-Accelerated Mouse Prone 6.

Osteopenia is a preclinical phase of osteoporosis, it occurs naturally with aging and increases the risk of bone fractures in elderly males. Previous studies have revealed the beneficial effects of soybean on preventing bone loss due to its isoflavone contents. Fermentation alters the soybean isoflavone contents, that is, isoflavone glucosides is hydrolyzed into aglycones. However, it is not clear how these alterations influences the preventive effect of soybean on bone loss. In this study, we fed senescenc...

Interventions for peri-implantitis and their effects on further bone loss. A retrospective analysis of a registry-based cohort.

The aim of the present study was to assess interventions and their consequences with regard to further bone loss at sites diagnosed with peri-implantitis.

Role of the purinergic P2X receptors in osteoclast pathophysiology.

Osteoclasts are cells of the hematopoietic lineage that are responsible for bone resorption. Their activity is crucial in the initiation of bone remodeling and for maintenance of a strong and healthy skeleton. However, in a number of diseases, including inflammatory disorders, inappropriately high osteoclast activity results in excessive bone degradation, bone loss, and subsequently fractures. A range of P2X purinergic receptors are expressed in bone cells, and osteoclasts express most of the P2X receptors....

Electroacupuncture increases immunoexpression of CB1 and CB2 receptors in experimental model of inflammatory bone loss.

This study evaluated the participation of CB1 and CB2 receptors in the antiresorptive effect of electroacupuncture (EA) on an experimental model of inflammatory bone loss in rats. 30 rats were divided into five groups: C (control); EP (experimental periodontitis); EA (C+ EA); EP-EA (EP+ EA in the acupoints LI4, LG11, ST36, ST44); EP - EA-sham (EP+ EA in sham acupoints). For the EP groups, a ligature was placed around the right mandibular first molars at day 1. Sessions of EA or EA-sham were assigned every o...

RANK deletion in NPY neurons attenuates estrogen deficiency related bone loss.

The RANKL pathway is known to be an important aspect of the pathogenesis of estrogen-deficiency induced bone loss. RANK deletion specifically in NPY neurons has been shown to enhance the ability of the skeleton to match increases in body weight caused by high fat diet feeding, likely via the modulation of NPY levels. Here, we use ovariectomy in female mice to show that RANK deletion in NPY neurons attenuates bone loss caused by long-term estrogen deficiency, particularly in the vertebral compartment. Ovarie...

The Effect of Dental Implant Collar Design on Crestal Bone Loss at 1 Year After Implant Placement.

The aim of this randomized, prospective study was to compare clinical and radiographic outcomes of microtextured implants with two different collar designs at 1 year postplacement. A total of 69 implants were assessed in 58 patients for site, patient-specific, and clinician-experience variables. Overall implant survival was 94.9%. A statistically significant preservation of crestal bone was observed in the microgrooved-collar group. Narrow implant diameter was associated with a statistically significant inc...

Analysis of marginal bone loss and implant stability quotient by resonance frequency analysis in different osteointegrated implant systems. Randomized prospective clinical trial.

The aim of the present prospective clinical study is to compare the stability of the implant-bone interface by the ISQ quotient and marginal bone loss (MBL) rate during one year of follow-up in four system implants with the same surface and different design.

Crestal bone loss around dental implants placed in head and neck cancer patients treated with different radiotherapy techniques: a prospective cohort study.

The aim of this prospective cohort study was to evaluate how the radiation technique can affect crestal bone loss and the implant survival rate in head and neck cancer patients treated with radiotherapy. In this study, the type of radiotherapy treatment, i.e. three-dimensional conformal radiotherapy (3D-CRT) or intensity modulated radiation therapy (IMRT), was the predictor variable. The primary outcome variable was crestal bone loss, recorded at implant placement and after 3, 6, 12, and 24 months. A descri...

Heamatococcus pluvialis ameliorates bone loss in experimentally-induced osteoporosis in rats via the regulation of OPG/RANKL pathway.

Osteoporosis prevailing in elderly involves a marked increase in bone resorption showing an initial fall in bone mineral density leading to a significant reduction in bone formation.

The influence of bone loss on peri-implant bending strain under overdentures.

The purpose of this study was to evaluate the biomechanical effects of bone loss on peri-implant bending strain underneath overdentures.

Cathepsin K-deficient osteocytes prevent lactation-induced bone loss and parathyroid hormone suppression.

Lactation induces bone loss to provide sufficient calcium in the milk, a process that involves osteoclastic bone resorption but also osteocytes and perilacunar resorption. The exact mechanisms by which osteocytes contribute to bone loss remain elusive. Osteocytes express genes required in osteoclasts for bone resorption, including cathepsin K (Ctsk), and lactation elevates their expression. We show that Ctsk deletion in osteocytes prevented the increase in osteocyte lacunar area seen during lactation, as we...

Energy Deficiency Suppresses Bone Turnover in Exercising Women with Menstrual Disturbances.

In exercising women, energy deficiency can disrupt the balance of bone formation and resorption, resulting in bone loss and an altered rate of bone turnover, which may influence future bone mineral density (BMD) and fracture risk.

Association between serum high-density lipoprotein cholesterol and bone health in the general population: a large and multicenter study.

This study was a cross-sectional study and enrolled 14,147 participants after excluding. We performed a large number of data analyses to indicate that HDL-C levels were related to bone health. A high HDL-C level is an independent risk factor for bone loss both in males and females.

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