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Michaël R Laurent
An overview of selected papers related to bone published in 2017 is provided. PURPOSE: This paper accompanies a lecture at the 2018 Belgian Bone Club annual Clinical Update Symposium held in Brussels on January 20th, discussing the best papers (in the opinion of the author) published in the previous year. METHODS: A PubMed search using the keyword "bone" and articles published in 2017. RESULTS: Hot topics include screening for osteoporosis, novel anabolic drugs such as romosozumab and abaloparatide for osteoporosis and rare metabolic bone diseases, as well as long-term efficacy of denosumab and possible risk of multiple vertebral fractures following its discontinuation...
March 15, 2018: Archives of Osteoporosis
Mitsuhiro Akiyama, Tsutomu Takeuchi
IgG4-related disease is a heterogeneous immune-mediated fibroinflammatory condition that can affect every single organ. This disease is more prevalent in the elderly (the mean age of patients is above 60 years) and the prevalence rate is estimated to be over 4.6 per 100,000 population. Before making a diagnosis, the exclusion of malignancies, lymphoma, anti-neutrophil cytoplasmic antibody-associated vasculitis, multicentric Castleman disease, and other mimickers is crucial for appropriate treatment. Broad management guidelines have been published emphasizing the need for prompt treatment and the use of glucocorticoids as first-line drug therapy for induction of remission...
March 15, 2018: Drugs & Aging
Yun Hu, Qinwei Sun, Yan Hu, Zhen Hou, Yibo Zong, Nagmeldin A Omer, Halima Abobaker, Ruqian Zhao
Background: We have shown previously that in ovo betaine injection can prevent nonalcoholic fatty liver induced by glucocorticoid exposure in chickens; yet it remains unknown whether feeding betaine to laying hens may exert similar effects in their progeny. Objective: In this study, we fed laying hens a betaine-supplemented diet, and the progeny were later exposed chronically to corticosterone (CORT) to test hepatoprotective effects and further elucidate underlying mechanisms...
March 1, 2018: Journal of Nutrition
Shengye Liu, Long Zhou, Liyu Yang, Shuai Mu, Tao Fang, Qin Fu
Background: Prolonged and over-dosed administration of glucocorticoids results in more bone remodeling, leading to glucocorticoid-induced osteoporosis, which is primarily due to dysfunction and apoptosis of osteoblasts. The present study investigated the therapeutic effect and molecular mechanism of gastrodin, a natural bioactive compound isolated from the traditional Chinese herbal agent Gastrodia elata, on osteoblastic cells in vivo and in vitro . Materials and Methods: The anti-dexamethasone (DEX) effects of gastrodin on primary osteoblasts were measured by cell viability, flow cytometry, and western blot analysis in vitro , and also extensively examined in a rat model in vivo ...
February 20, 2018: Oncotarget
Yi-Lin Zhang, Peng-Xiao Chen, Wei-Jie Guan, Hong-Mei Guo, Zhuo-Er Qiu, Jia-Wen Xu, Yu-Li Luo, Chong-Feng Lan, Jian-Bang Xu, Yuan Hao, Ya-Xia Tan, Ke-Nan Ye, Zhao-Rong Lun, Lei Zhao, Yun-Xin Zhu, Jiehong Huang, Wing-Hung Ko, Wei-De Zhong, Wen-Liang Zhou, Nan-Shan Zhong
Airway epithelial cells harbor the capacity of active Cl- transepithelial transport and play critical roles in modulating innate immunity. However, whether intracellular Cl- accumulation contributes to relentless airway inflammation remains largely unclear. This study showed that, in airway epithelial cells, intracellular Cl- concentration ([Cl- ]i ) was increased after Pseudomonas aeruginosa lipopolysaccharide (LPS) stimulation via nuclear factor-κB (NF-κB)-phosphodiesterase 4D (PDE4D)-cAMP signaling pathways...
March 15, 2018: Mucosal Immunology
Dam Kim, Soo-Kyung Cho, Byeongju Park, Eun Jin Jang, Sang-Cheol Bae, Yoon-Kyoung Sung
OBJECTIVE: To identify the effects of glucocorticoids (GC) on various types of fractures in patients with rheumatoid arthritis (RA). METHODS: We used the Korean National Healthcare Claims database from 2010 to establish a retrospective cohort of patients with RA ≥ 19 years old. We then followed those patients through December 2013. The incidence rates of total and major fractures were calculated. We evaluated the effects of GC dose and duration on fractures using multivariable logistic regression analyses...
March 15, 2018: Journal of Rheumatology
Susan M Goodman, Vivian P Bykerk, Edward DiCarlo, Ryan W Cummings, Laura T Donlin, Dana E Orange, Annie Hoang, Serene Mirza, Michael McNamara, Kayte Andersen, Susan J Bartlett, Jackie Szymonifka, Mark P Figgie
OBJECTIVE: Rates of total knee arthroplasty (TKA) and total hip arthroplasty (THA) remain high for patients with rheumatoid arthritis (RA), who are at risk of flaring after surgery. We aimed to describe rates, characteristics, and risk factors of RA flare within 6 weeks of THA and TKA. METHODS: Patients with RA were recruited prior to elective THA and TKA surgery and prospectively followed. Clinicians evaluated RA clinical characteristics 0-2 weeks before and 6 weeks after surgery...
March 15, 2018: Journal of Rheumatology
Carolyn M Bauer, Loreto A Correa, Luis A Ebensperger, L Michael Romero
The Common Degu (Octodon degus) is a small rodent endemic to central Chile. It has become an important model for comparative vertebrate endocrinology because of several uncommon life-history features - it is diurnal, shows a high degree of sociality, practices plural breeding with multiple females sharing natal burrows, practices communal parental care, and can easily be studied in the laboratory and the field. Many studies have exploited these features to make contributions to comparative endocrinology. This review summarizes contributions in four major areas...
March 12, 2018: General and Comparative Endocrinology
Ken Iseri, Masayuki Iyoda, Makoto Watanabe, Kei Matsumoto, Daisuke Sanada, Takashi Inoue, Shohei Tachibana, Takanori Shibata
INTRODUCTION: The clinical utility of denosumab for the treatment of glucocorticoid-induced osteoporosis (GIOP) has yet to be established. This study aimed to compare the effects of denosumab on bone mineral density (BMD) and bone turnover markers to those of alendronate in patients with GIOP. METHODS: A prospective, single-center study of 32 patients (18 men; median age, 66.0 years) with glomerular disease receiving prednisolone (PSL) who were diagnosed as having GIOP and had not received bisphosphonates before was conducted...
2018: PloS One
Ting Wang, Muchen Dong, Yin Jiang, Shuting Wang, Weiyun Shi
PURPOSE: To observe the pathological changes in dendritic cells (DCs) and inflammatory cells in the corneal epithelium and endothelium using in vivo confocal microscopy during the management of herpetic endotheliitis. METHODS: A total of 110 eyes with herpetic endotheliitis were included. All patients were treated with antiviral agents combined with glucocorticoids. Changes in corneal edema were observed using slit-lamp microscopy and anterior segment optical coherence tomography...
March 14, 2018: Cornea
Yong-Jun Xu, Hui Sheng, Tian-Wen Wu, Qing-Yue Bao, You Zheng, Yan-Min Zhang, Yu-Xiang Gong, Jian-Qiang Lu, Zhen-Dong You, Yang Xia, Xin Ni
Pregnant women at risk of preterm labor usually receive synthetic glucocorticoids (sGCs) to promote fetal lung development. Emerging evidence indicates that antenatal sGC increases the risk of affective disorders in offspring. Data from animal studies show that such disorders can be transmitted to the second generation. However, the molecular mechanisms underlying the intergenerational effects of prenatal sGC remain largely unknown. Here we show that prenatal dexamethasone (Dex) administration in late pregnancy induced depression-like behavior in first-generation (F1) offspring, which could be transmitted to second-generation (F2) offspring with maternal dependence...
March 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Peter A Nigrovic, Timothy Beukelman, George Tomlinson, Brian M Feldman, Laura E Schanberg, Yukiko Kimura
BACKGROUND: Systemic juvenile idiopathic arthritis is a rare febrile arthritis of childhood characterized by a potentially severe course, including prolonged glucocorticoid exposure, growth failure, destructive arthritis, and life-threatening macrophage activation syndrome. Early cytokine-blocking biologic therapy may improve long-term outcomes, although some systemic juvenile idiopathic arthritis patients respond well to non-biologic treatment, leaving optimal management undefined. Consequently, treatment of new-onset systemic juvenile idiopathic arthritis by expert clinicians varies widely...
March 1, 2018: Clinical Trials: Journal of the Society for Clinical Trials
Q N Yu, Y B Guo, X Li, C L Li, W P Tan, X L Fan, Z L Qin, D Chen, W P Wen, S G Zheng, Q L Fu
BACKGROUND: Group 2 innate lymphoid cells (ILC2s) were closely associated with asthma. However, there were no perspective studies about the effects of glucocorticoid on ILC2s in asthma patients. Our objective was to perform a perspective study and evaluate the ILC2 activity after glucocorticoid therapy in asthma patients. METHODS: The asthma and asthma with allergic rhinitis patients were treated with glucocorticoid for 3 months. The circulating ILC2 levels were evaluated...
March 15, 2018: Allergy
Win Min Oo, Vasikaran Naganathan, Myat Thae Bo, David J Hunter
Secondary osteoporosis is an important co-morbidity related to inflammatory rheumatic diseases that is attributed to several factors including inflammatory cytokines, inactivity and glucocorticoid treatment. Quantitative ultrasound (QUS) has been utilized in osteoporosis research due to its detectability of bone density as well as bone quality. The current narrative review is to address the potential utilities of QUS in secondary osteoporosis of inflammatory rheumatic diseases, focusing on the clinical aspects of QUS in these diseases, based on the conformity of QUS with dual emission X-ray absorptiometry (DXA), the relationship with disease characteristics, and its capability of fracture prediction...
February 2018: Quantitative Imaging in Medicine and Surgery
Hong-Ren Yu, You-Lin Tain, Mao-Meng Tiao, Chih-Cheng Chen, Jiunn-Ming Sheen, I-Chun Lin, Shih-Wen Li, Ching-Chou Tsai, Yu-Ju Lin, Kai-Sheng Hsieh, Li-Tung Huang
BACKGROUND: Hypertension may result from high-fat (HF) diet induced-obesity and overexposure to glucocorticoids in utero. Recent studies demonstrated the potent contribution of adipose tissue's renin-angiotensin system (RAS) to systemic RAS, which plays a key role in regulating blood pressure (BP). In this study, we investigated the effects of prenatal dexamethasone (DEX) exposure and postnatal HF diet on RAS of adipose tissue. METHODS: RAS and BP of 6-month old rats exposed to prenatal DEX and/or postnatal HF diet were examined...
March 14, 2018: Lipids in Health and Disease
Jeffery M Vahrenkamp, Chieh-Hsiang Yang, Adriana C Rodriguez, Aliyah Almomen, Kristofer C Berrett, Alexis N Trujillo, Katrin P Guillen, Bryan E Welm, Elke A Jarboe, Margit M Janat-Amsbury, Jason Gertz
Steroid hormone receptors are simultaneously active in many tissues and are capable of altering each other's function. Estrogen receptor α (ER) and glucocorticoid receptor (GR) are expressed in the uterus, and their ligands have opposing effects on uterine growth. In endometrial tumors with high ER expression, we surprisingly found that expression of GR is associated with poor prognosis. Dexamethasone reduced normal uterine growth in vivo; however, this growth inhibition was abolished in estrogen-induced endometrial hyperplasia...
March 13, 2018: Cell Reports
L J Li, Y Z Guan, F Lü, Y W Song, X J Xu, Y Jiang, O Wang, W B Xia, X P Xing, M Li
Objective: To investigate the glucose and lipid metabolic disorders in patients with myasthenia gravis (MG) without glucocorticoid therapy, and the relationships between insulin, insulin resistance, muscle strength, serum levels of osteocalcin, 25-hydroxy vitamin D (25OHD) and glucose and lipid metabolism. Methods: A total of 102 MG patients [(40±11) years old, 43 males and 59 females] without glucocorticoid treatment were enrolled in this cross-sectional study. Height, weight and the handgrip of dominant hands were measured...
February 27, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Yanhua Hu, Julie A Carman, Deborah Holloway, Selena Kansal, Li Fan, Christine Goldstine, Deborah Lee, John E Somerville, Robert Latek, Robert Townsend, Alyssa Johnsen, Sean Connolly, Somnath Bandyopadhyay, Nancy Shadick, Michael E Weinblatt, Richard Furie, Steven G Nadler
OBJECTIVE: To develop an objective, readily measurable pharmacodynamic biomarker of glucocorticoid (GC) activity. METHODS: Genes modulated by prednisolone were identified from in vitro studies using peripheral blood mononuclear cells from normal healthy volunteers (NHVs). Using the criteria of a >2-fold change relative to vehicle controls and an adjusted P value cutoff of <0.05, 64 upregulated and 18 downregulated genes were identified. A composite score of the upregulated genes was generated using a single-sample gene set enrichment analysis algorithm...
March 13, 2018: Arthritis & Rheumatology
Maria Maiarù, Oakley B Morgan, Tianqi Mao, Michaela Breitsamer, Harry Bamber, Max Pöhlmann, Mathias V Schmidt, Gerhard Winter, Felix Hausch, Sandrine M Géranton
It is well-established that FKBP51 regulates the stress system by modulating the sensitivity of the glucocorticoid receptor to stress hormones. Recently, we have demonstrated that FKBP51 also drives long-term inflammatory pain states in male mice by modulating glucocorticoid-signalling at spinal cord level. Here, we explored the potential of FKBP51 as a new pharmacological target for the treatment of persistent pain across the sexes. First, we demonstrated that FKBP51 regulates long-term pain states of different aetiologies independently of sex...
March 12, 2018: Pain
Lana Yin Hui Lai, Emma Harris, Robert M West, Sarah Louise Mackie
Background: Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) are almost always treated with glucocorticoids (GCs), but long-term GC use is associated with diabetes mellitus (DM). The absolute incidence of this complication in this patient group remains unclear. Objective: To quantify the absolute risk of GC-induced DM in PMR and GCA from published literature. Methods: We identified literature from inception to February 2017 reporting diabetes following exposure to oral GC in patients with PMR and/or GCA without pre-existing diabetes...
2018: RMD Open
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