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J Bone Metab 2021 May 31;28(2):151-159. Epub 2021 May 31.

Department of Rheumatology, Mohammed VI University Hospital, Faculty of Medicine, Mohammed I University, Oujda, Morocco.

Background: Rheumatoid arthritis (RA) is a known cause of joint destruction and systemic bone loss. In this study, we aimed to evaluate the bone damage and bone loss profiles of established RA patients.

Methods: We designed a cross-sectional study on a cohort of established RA patients. Read More

J Bone Metab 2021 May 31;28(2):139-150. Epub 2021 May 31.

Department of Cardiology, Sri Jayadeva Institute of Cardiac Sciences and Research, Bengaluru, India.

Background: There are limited studies comparing the risk of osteoporosis and fractures between different direct oral anticoagulants (DOACs) and vitamin K antagonists (VKA) in non-valvular atrial fibrillation (AF). Using a network meta-analysis (NMA), we compared osteoporotic fractures among 5 different treatment arms, viz. dabigatran, rivaroxaban, apixaban, edoxaban, and VKA. Read More

J Bone Metab 2021 May 31;28(2):123-129. Epub 2021 May 31.

Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Background: The purpose of this study was to investigate the characteristics of women with subsequent distal radius fracture (DRF) and to compare bone fragility variables in women with initial and subsequent DRF.

Methods: We enrolled 227 women who experienced DRF (203 women with initial DRF and 24 women with subsequent DRF) between September 2016 and April 2019. We compared demographic characteristics and bone fragility variables, including bone mineral density, trabecular bone score, hip geometry, bicortical thickness of the distal radius, and fracture risk assessment tool (FRAX) scores between the 2 groups. Read More

J Bone Metab 2021 May 31;28(2):115-122. Epub 2021 May 31.

Department of Orthopedic Surgery, Ewha Womans University, College of Medicine, Mokdong Hospital, Seoul, Korea.

Osteoporosis does not take a break while Coronavirus disease 2019 (COVID-19) stunned and overtook everyone's lives. Medical resources were immediately shifted, self-isolation and telemedicine were expanded, ambulatory care services such as bone densitometry and osteoporosis-centered clinics came to a near halt. Progress with fracture prevention has been challenged because osteoporotic fracture with low energy injury is more prevalent even though restriction of people's movement. Read More

J Bone Metab 2021 May 31;28(2):101-113. Epub 2021 May 31.

Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.

The trabecular bone score (TBS) was introduced as an indirect index of trabecular microarchitecture, complementary to bone mineral density (BMD), and is derived using the same dual energy X-ray absorptiometry images. Recently, it has been approved for clinical use in Korea. Therefore, we conducted a comprehensive review to optimize the use of TBS in clinical practice. Read More

Differentiation 2021 Jun 10;120:19-27. Epub 2021 Jun 10.

Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Qingdao University, No. 59 Haier Road, Qingdao, 266000, Shandong, China. Electronic address:

Human mesenchymal stem cells (hMSCs) are multipotent cells that can be differentiated into different cell types including osteoblasts. Herein we aimed to assess the regulation of transcription factor mesenchyme homeobox 1 (Meox1) in the osteogenic differentiation of hMSCs and to determine the microRNA which targets on Meox1. Total RNA was extracted from the isolated ligamentum flavum tissue samples and cultured hMSCs, and the expression of Meox1 was assessed by RT-PCR and Western blot assays. Read More

World Neurosurg 2021 Jun 12. Epub 2021 Jun 12.

Department of Orthopedic, Trauma and Plastic Surgery, University Hospital Leipzig. Electronic address:

Intervertebral fusions in cases of reduced bone density are a tough challenge. From a biomechanical point of view, the majority of current studies have focused on the range of motion or have shown test setups for single component tests. Definite setups for biomechanical testing of the primary stability of a 360° fusion using a screw rod system and cage on the osteoporotic spine are missing. Read More

World Neurosurg 2021 Jun 12. Epub 2021 Jun 12.

School of Chinese medicine, Jinan university, Guangzhou, China. Electronic address:

Background: Adjacent segmental degeneration (ASD) is one of the common complications following posterior lumbar interbody fusion (PLIF). Both whole body vibration (WBV) and osteoporosis are important factors associated with the biomechanics of the lumbar spine. However, up to now, no literature has been published to investigate the effect of osteoporosis on ASD following PLIF under WBV. Read More

Osteoporos Int 2021 Jun 15. Epub 2021 Jun 15.

Bone and Mineral Research Unit (ISPA) (REDinREN), Hospital Universitario Central Asturias, Oviedo University, Asturias, Spain.

The European Renal Association-European Dialysis and Transplant Association (ERA-EDTA) CKD-MBD working group, in collaboration with the Committee of Scientific Advisors of the International Osteoporosis Foundation, published a position paper for the diagnosis and management of osteoporosis in patients with CKD stages 4-5D (eGFR < 30 ml/min 1.73 m). The present article reports and summarizes the main recommendations included in this 2021 document. Read More

Medicine (Baltimore) 2021 Jun;100(24):e26429

Clinical College of Chinese Medicine, Gansu University of Chinese Medicine, Lanzhou, China.

Background: Osteoporosis is a common bone disease that has a significant social and economic effect. Many meta-analyses of pharmacological and non-pharmacological treatments for osteoporosis have been reported, but the findings may be contradictory, and both the reporting and methodological quality remain unknown. As a result, an overview that includes a network meta-analysis was proposed to address these issues. Read More

Medicine (Baltimore) 2021 Jun;100(24):e26326

Department of Urology, The First Affiliated Hospital of Soochow University.

Background: Erectile dysfunction (ED) and osteoporosis are both common health problems and have similar risk factors. Recent studies have found that people with ED have a higher risk of osteoporosis.We aimed to systematically assess osteoporosis risk in patients with ED. Read More

Medicine (Baltimore) 2021 Jun;100(24):e26276

Department of Cardiovascular Internal Medicine, The Second Affiliated Hospital of Guangdong Medical University, Zhanjiang.

Abstract: The aim of the case study is to examine the association between hypertension and the level of bone metabolism markers in newly diagnosed osteoporotic patients.A cross-sectional study of 518 subjects was done to see the association between hypertension and the level of osteocalcin (OC), bone-specific alkaline phosphatase (B-ALP), Tartrate-resistant acid phosphatase (TRAP.5B), and 25-hydroxy vitamin D (25-OHD). Read More

Workplace Health Saf 2021 Jul;69(7):344

SUNY Downstate Medical Center, College of Nursing.

J Breast Cancer 2021 May 14. Epub 2021 May 14.

Department of Breast Surgery, Chungbuk National University Hospital, College of Medicine, Chungbuk National University, Cheongju, Korea.

Purpose: Raloxifene is a selective estrogen receptor modulator (SERM), and raloxifene treatment for osteoporosis is reimbursable under the Korean National Health Insurance. Evidence suggests that SERMs use reduces the risk of breast cancer in Asian population. Herein, we retrospectively investigated the protective effect of raloxifene on breast cancer rates in Korean population. Read More

Curr Mol Med 2021 Jun 14. Epub 2021 Jun 14.

Department of Endocrinology, The Second Medical Center & National Clinical Research Center, Chinese PLA General Hospital, Haidian District, Beijing, 100853, China.

Background: Some studies demonstrated that under high-glucose (HG) condition, osteoblasts develop oxidative stress, which will impair their normal functions. The effects of activin receptor-like kinase 7 (ALK7) silencing on HG-induced osteoblasts remained unclear.

Objective: The aim of this study was to explore the effect of ALK7 on HG-induced osteoblasts. Read More

Arch Gerontol Geriatr 2021 Jun 2;96:104455. Epub 2021 Jun 2.

Department of Frailty, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, Obu, Japan; Department of Public Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.

Purpose: To determine whether frailty associated factors differ between community dwellers and older adult patients with rheumatoid arthritis (RA).

Methods: We used the cross-sectional data for patients with RA from the RA epidemiological quality-of-life study (n = 210, mean age 71.8 ± 3. Read More

Curr Osteoporos Rep 2021 Jun 14. Epub 2021 Jun 14.

Center for Public Health Genomics, University of Virginia, 800717, Charlottesville, VA, 22908, USA.

Purpose Of Review: Osteoporosis constitutes a major societal health problem. Genome-wide association studies (GWASs) have identified over 1100 loci influencing bone mineral density (BMD); however, few of the causal genes have been identified. Here, we review approaches that use "-omics" data and genetic- and systems genetics-based analytical strategies to facilitate causal gene discovery. Read More

J Bone Miner Metab 2021 Jun 14. Epub 2021 Jun 14.

Primary Medical Science Department, Medical Affairs Division, Japan Business Unit, Daiichi Sankyo Co. Ltd, 3-5-1, Nihonbashi Honcho, Chuo-ku, Tokyo, Japan.

Introduction: Glucocorticoid-induced osteoporosis (GIOP) is associated with a high fracture risk. Practice guidelines by the Japanese Society for Bone and Mineral Research in 2014 recommend bone densitometry and appropriate treatment to reduce this risk. The study objectives were to describe characteristics of GIOP patients in Japan and to evaluate their management in a subgroup of patients without comorbid cancer. Read More

Arch Orthop Trauma Surg 2021 Jun 14. Epub 2021 Jun 14.

Musculoskeletal Research Unit, IMIM-Parc Salut Mar, CIBERFES, Universitat Autonoma de Barcelona, Doctor Aiguader 88, 20, 08003, Barcelona, Spain.

Introduction: The risk factors for a second nonsimultaneous hip fracture are unclear, and in general, it is empirically assumed that they are similar to those associated with the first hip fracture. We aimed to determine the incidence of a second hip fracture and define the characteristics of the patients sustaining the event in a prospective cohort study in a Spanish population.

Materials And Methods: We conducted a multicentric, prospective cohort study in a representative sample of 45 hospitals from 15 autonomic regions in Spain. Read More

JAMA Pediatr 2021 Jun 14. Epub 2021 Jun 14.

Spinal Research Laboratory, Department of Physical Therapy, Stanley Steyer School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.

Orthop Surg 2021 Jun 14. Epub 2021 Jun 14.

Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China.

Objective: Physical exercise has obvious effects on bone loss, pain relief, and improvement of bone metabolism indexes in patients with osteoporosis, but currently lacks sufficient evidence. The aim of this systematic review and meta-analysis was to synthesize and present the best available evidence on the effectiveness and safety of exercises in the treatment of primary osteoporosis.

Methods: Publications pertaining to the effectiveness of exercise on bone mineral density (BMD), visual analog scores (VAS), and biochemical markers of bone metabolism in primary osteoporosis (POP) from PubMed, Cochrane Library, Embase, VIP, CNKI, and Wanfang Database were retrieved from their inception to April 2020. Read More

EClinicalMedicine 2021 May 5;35:100826. Epub 2021 May 5.

Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, United States.

Background: The locations of subsequent fractures after initial fracture in postmenopausal women are poorly characterized.

Methods: We conducted a prospective analysis of subsequent fractures after initial fracture in Women's Health Initiative (1993-2018) participants who provided follow-up (mean 15.4 years, SD 6. Read More

Front Cell Dev Biol 2021 26;9:675503. Epub 2021 May 26.

Institute of Clinical Pharmacy, Central South University, Changsha, China.

Osteoporosis is a chronic age-related disease. During aging, bone marrow-derived mesenchymal stem cells (BMSCs) display increased adipogenic, along with decreased osteogenic, differentiation capacity. The aim of the present study was to investigate the effect of calcitonin gene-related peptide (CGRP) on the osteogenic and adipogenic differentiation potential of BMSC-derived osteoblasts. Read More

PeerJ 2021 26;9:e11420. Epub 2021 May 26.

Department of Geriatrics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China.

Background: Osteoporosis (OP) is a systemic disease with bone loss and microstructural deterioration. Numerous noncoding RNAs (ncRNAs) have been proved to participate in various diseases, especially circular RNAs (circRNAs). However, the expression profile and mechanisms underlying circRNAs in male osteoporosis have not yet been explored. Read More

Front Endocrinol (Lausanne) 2021 27;12:657488. Epub 2021 May 27.

Department of Internal Medicine and Seoul National University Bundang Hospital, Seongnam, South Korea.

Objectives: To evaluate the risk of fracture in individuals with a history of cholecystectomy in Korean population.

Methods: Individuals (n = 143,667) aged ≥ 40 y who underwent cholecystectomy between 2010 and 2015 and the controls (n = 255,522), matched by age and sex, were identified from the database of the Korean National Health Insurance Services. The adjusted hazard ratio (aHR) and 95% confidence interval (CI) of fracture were estimated following cholecystectomy, and a Cox regression analysis was performed. Read More

Front Pharmacol 2021 26;12:675470. Epub 2021 May 26.

First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China.

Total flavonoids of Rhizoma drynariae (TFRD), a Chinese medicine, is widely used in the treatment of fracture, bone defect, osteoporosis and other orthopedic diseases, and has achieved good effects. Purpose of this trial was to explore efficacy of TFRD on bone graft's mineralization and osteoblasts' differentiation in Masquelet induced membrane technique in rats. Forty male Sprague-Dawley rats were randomly divided into high dose group (H-TFRD), middle dose group (M-TFRD), low dose group (L-TFRD) and control group (control). Read More

EXCLI J 2021 16;20:764-780. Epub 2021 Apr 16.

Endocrine Physiology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Diabetoporosis, diabetic-related decreased bone quality and quantity, is one of the leading causes of osteoporotic fractures in subjects with type 2 diabetes (T2D). This is associated with lower trabecular and cortical bone quality, lower bone turnover rates, lower rates of bone healing, and abnormal posttranslational modifications of collagen. Decreased nitric oxide (NO) bioavailability has been reported within the bones of T2D patients and can be considered as one of the primary mechanisms by which diabetoporosis is manifested. Read More

Lupus 2021 Jun 14:9612033211025614. Epub 2021 Jun 14.

Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan.

Objectives: It is important to clarify the relationship between irreversible organ damage and the quality of life (QOL) by considering the unique factors of patients with systemic lupus erythematosus (SLE). We aimed to clarify their correlation using SLE-specific QOL assessment tools. We also aimed to identify which type of organ damage is adversely correlated with the QOL. Read More

EMBO Rep 2021 Jun 13:e52986. Epub 2021 Jun 13.

Institute of Molecular Biotechnology of the Austrian Academy of Science, Vienna Biocenter, Vienna, Austria.

Recent studies have unveiled unique functions of the bone marrow adipose tissue (BMAT), which represent over 10% of the total adipose tissue mass in healthy adults. Increasing evidence is emerging as to how BMAT deposition and osteoporosis are linked under normal and pathophysiological conditions, which is opening up novel treatment avenues. However, the means by which bone marrow adipocytes (BMAs) regulate bone remodeling and their involvement in osteoporosis remained unknown. Read More

J Clin Densitom 2021 May 12. Epub 2021 May 12.

Department of Physical Medicine and Rehabilitation, Cukurova University Faculty of Medicine, Adana, Turkey.

The aim of the study was to determine the effect of pregabalin as monotherapy on biochemical markers and bone mineral density. 40 patients diagnosed with neuropathic pain or fibromyalgia syndrome who were using pregabalin for at least 6 months and age and sex matched 40 healthy individuals were recruited for this cross-sectional study. Bone mineral density of both groups were measured by dual energy x ray absorbsiometry(DXA), bone biochemical markers, serum calcium, and vitamin D levels were investigated. Read More