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Molecular biology in bone research

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https://www.readbyqxmd.com/read/29150936/the-roles-of-wnt-%C3%AE-catenin-pathway-in-tissue-development-and-regenerative-medicine
#1
REVIEW
Maryam Majidinia, Javad Aghazadeh, Rana Jahanban-Esfahlani, Bahman Yousefi
Regenerative medicine is a translational field which combines tissue engineering and molecular biology to construct spare organs or help injured or defective tissues to regenerate or restore their normal functions. This is particularly important with specific organs such as heart, central nervous system, retina or limbs which possess very limited regenerative capacity. As such, regenerative medicine has received peculiar attention in the last decade. In this regard, Wnt/β-catenin signaling pathway has been subject to intensive research, since it plays many essential roles in the regulation of the progenitor cell fate, developmental decisions, proliferation during embryonic development, and adult tissue homeostasis...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29136834/comparative-proteomics-of-cancer-stem-cells-in-osteosarcoma-using-ultra-high-performance-liquid-chromatography-and-orbitrap-fusion-mass-spectrometer
#2
Zhihui Zhong, Sifeng Mao, Haifeng Lin, Jin-Ming Lin, Jianhua Lin
Osteosarcoma is the most common malignant tumour found in bones, and it has a poor prognosis. For improved therapy, it is significant to have a deep understanding of the proteomics changes in the cancer stem cells (CSCs) of osteosarcoma. Therefore, a comparative proteomics approach based on ultra-high-performance liquid chromatography coupled to an Orbitrap Fusion mass spectrometer (UHPLC-Orbitrap Fusion MS) was established to investigate the key molecular changes between CSCs and non-CSCs in human osteosarcoma HOS cells...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29081386/molecular-approaches-to-diagnose-diamond-blackfan-anemia-the-eurodba-experience
#3
REVIEW
Lydie Da Costa, Marie-Françoise O'Donohue, Birgit van Dooijeweert, Katarzyna Albrecht, Sule Unal, Ugo Ramenghi, Thierry Leblanc, Irma Dianzani, Hannah Tamary, Marije Bartels, Pierre-Emmanuel Gleizes, Marcin Wlodarski, Alyson W MacInnes
Diamond-Blackfan anemia (DBA) is a rare congenital erythroblastopenia and inherited bone marrow failure syndrome that affects approximately seven individuals in every million live births. In addition to anemia, about 50% of all DBA patients suffer from various physical malformations of the face, hands, heart, or urogenital region. The disorder is almost exclusively driven by haploinsufficient mutations in one of several ribosomal protein (RP) genes, although for ∼30% of diagnosed patients no mutation is found in any of the known DBA-linked genes...
October 26, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29047220/the-cytokines-and-microenvironment-of-fracture-haematoma-current-evidence
#4
REVIEW
Gavin Walters, Ippokratis Pountos, Peter V Giannoudis
BACKGROUND: Fracture haematoma formation is the first and foremost important stage of fracture healing. It orchestrates the inflammatory and cellular processes leading to the formation of callus and the restoration of the continuity of the bone. Evidence suggests that blocking this initial stage could lead to an impairment of the overall bone healing process. This review aims to analyse the existing evidence of molecular contributions to bone healing within fracture haematoma, and to determine the potential to modify the molecular response to fracture in the haematoma with the aim of improving union times...
October 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28930556/osteoimmunology-the-nexus-between-bone-and-immune-system
#5
Hamid Y Dar, Zaffar Azam, Rajaneesh Anupam, Rajesh K Mondal, Rupesh K Srivastava
Osteoimmunology is an interdisciplinary research field which combines the existing fields of osteology (bone biology) and immunology under one umbrella. The observation that contributed enormously to the emergence of osteoimmunology as an independent field of investigation was the enhanced bone loss in various inflammatory bone diseases such as rheumatoid arthritis, osteoporosis and periodontitis. T helper cells (Th1, Th2, Treg and Th17) along with various other immune cells (B cells, DC, macrophages etc.) are actively involved in bone homeostasis...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28883615/development-of-new-experimental-platform-mars-multiple-artificial-gravity-research-system-to-elucidate-the-impacts-of-micro-partial-gravity-on-mice
#6
Dai Shiba, Hiroyasu Mizuno, Akane Yumoto, Michihiko Shimomura, Hiroe Kobayashi, Hironobu Morita, Miki Shimbo, Michito Hamada, Takashi Kudo, Masahiro Shinohara, Hiroshi Asahara, Masaki Shirakawa, Satoru Takahashi
This Japan Aerospace Exploration Agency project focused on elucidating the impacts of partial gravity (partial g) and microgravity (μg) on mice using newly developed mouse habitat cage units (HCU) that can be installed in the Centrifuge-equipped Biological Experiment Facility in the International Space Station. In the first mission, 12 C57BL/6 J male mice were housed under μg or artificial earth-gravity (1 g). Mouse activity was monitored daily via downlinked videos; μg mice floated inside the HCU, whereas artificial 1 g mice were on their feet on the floor...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28855094/sphingosine-1-phosphate-s1p-signalling-role-in-bone-biology-and-potential-therapeutic-target-for-bone-repair
#7
REVIEW
Ziad Sartawi, Ernestina Schipani, Katie B Ryan, Christian Waeber
The lipid mediator sphingosine 1-phosphate (S1P) affects cellular functions in most systems. Interest in its therapeutic potential has increased following the discovery of its G protein-coupled receptors and the recent availability of agents that can be safely administered in humans. Although the role of S1P in bone biology has been the focus of much less research than its role in the nervous, cardiovascular and immune systems, it is becoming clear that this lipid influences many of the functions, pathways and cell types that play a key role in bone maintenance and repair...
September 22, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28842819/musculoskeletal-health-in-the-context-of-spinal-cord-injury
#8
REVIEW
Jillian M Clark, David M Findlay
PURPOSE OF REVIEW: This review assembles recent understanding of the profound loss of muscle and bone in spinal cord injury (SCI). It is important to try to understand these changes, and the context in which they occur, because of their impact on the wellbeing of SC-injured individuals, and the urgent need for viable preventative therapies. RECENT FINDINGS: Recent research provides new understanding of the effects of age and systemic factors on the response of bone to loading, of relevance to attempts to provide load therapy for bone in SCI...
October 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28789906/tocotrienols-the-unsaturated-sidekick-shifting-new-paradigms-in-vitamin-e-therapeutics
#9
REVIEW
Madhu M Kanchi, Muthu K Shanmugam, Grishma Rane, Gautam Sethi, Alan P Kumar
Vitamin E family members: tocotrienols and tocopherols are widely known for their health benefits. Decades of research on tocotrienols have shown they have diverse biological activities such as antioxidant, anti-inflammatory, anticancer, neuroprotective and skin protection benefits, as well as improved cognition, bone health, longevity and reduction of cholesterol levels in plasma. Tocotrienols also modulate several intracellular molecular targets and, most importantly, have been shown to improve lipid profiles, reduce total cholesterol and reduce the volume of white matter lesions in human clinical trials...
August 5, 2017: Drug Discovery Today
https://www.readbyqxmd.com/read/28665585/cryotem-as-an-advanced-analytical-tool-for-materials-chemists
#10
Joseph P Patterson, Yifei Xu, Mohammad-Amin Moradi, Nico A J M Sommerdijk, Heiner Friedrich
Morphology plays an essential role in chemistry through the segregation of atoms and/or molecules into different phases, delineated by interfaces. This is a general process in materials synthesis and exploited in many fields including colloid chemistry, heterogeneous catalysis, and functional molecular systems. To rationally design complex materials, we must understand and control morphology evolution. Toward this goal, we utilize cryogenic transmission electron microscopy (cryoTEM), which can track the structural evolution of materials in solution with nanometer spatial resolution and a temporal resolution of <1 s...
July 18, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28643925/a-new-cyte-in-orthodontics-osteocytes-in-tooth-movement
#11
REVIEW
E E Bumann, S A Frazier-Bowers
Orthodontic tooth movement (OTM) relies on the orchestration of clinical and biologic events that include the application of clinical force followed by a cascade of cellular and molecular responses. Our understanding about OTM today has evolved from, and is largely based on historic studies. However, the advances in bone biology and clinical orthodontics today continue to pave the pathway towards an improved knowledge base, and state of the art therapeutics in OTM. Osteoblasts and osteoclasts have been the primary cells analyzed in OTM...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643176/a-promising-tool-in-retina-regeneration-current-perspectives-and-challenges-when-using-mesenchymal-progenitor-stem-cells-in-veterinary-and-human-ophthalmological-applications
#12
REVIEW
Anna Cislo-Pakuluk, Krzysztof Marycz
Visual impairment is a common ailment of the current world population, with more exposure to CCD screens and fluorescent lighting, approximately 285 billion people suffer from this deficiency and 13% of those are considered clinically blind. More common causes for visual impairment include age-related macular degeneration (AMD), glaucoma and diabetic retinopathy (Zhu et al. Molecular Medicine Reports, 2015; Kolb et al. 2007; Machalińska et al. Current Eye Research, 34(9),748-760, 2009) among a few. As cases of retinal and optic nerve diseases rise, it is vital to find a treatment, which has led to investigation of the therapeutic potential of various stem cells types (Bull et al...
October 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28507534/stress-and-alterations-in-bones-an-interdisciplinary-perspective
#13
REVIEW
Pia-Maria Wippert, Michael Rector, Gisela Kuhn, Karin Wuertz-Kozak
Decades of research have demonstrated that physical stress (PS) stimulates bone remodeling and affects bone structure and function through complex mechanotransduction mechanisms. Recent research has laid ground to the hypothesis that mental stress (MS) also influences bone biology, eventually leading to osteoporosis and increased bone fracture risk. These effects are likely exerted by modulation of hypothalamic-pituitary-adrenal axis activity, resulting in an altered release of growth hormones, glucocorticoids and cytokines, as demonstrated in human and animal studies...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28466453/hereditary-multiple-exostoses-new-insights-into-pathogenesis-clinical-complications-and-potential-treatments
#14
REVIEW
Maurizio Pacifici
PURPOSE OF REVIEW: Hereditary multiple exostoses (HME) is a complex musculoskeletal pediatric disorder characterized by osteochondromas that form next to the growth plates of many skeletal elements, including long bones, ribs, and vertebrae. Due to its intricacies and unresolved issues, HME continues to pose major challenges to both clinicians and biomedical researchers. The purpose of this review is to describe and analyze recent advances in this field and point to possible targets and strategies for future biologically based therapeutic intervention...
June 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28465400/the-significance-of-beige-and-brown-fat-in-humans
#15
REVIEW
Florian W Kiefer
Promotion of brown adipose tissue (BAT) activity or browning of white adipose tissue has shown great potential as anti-obesity strategy in numerous preclinical models. The discovery of active BAT in humans and the recent advances in the understanding of human BAT biology and function have significantly propelled this field of research. Pharmacological stimulation of energy expenditure to counteract obesity has always been an intriguing therapeutic concept; with the identification of the specific molecular pathways of brown fat function, this idea has now become as realistic as ever...
July 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28455432/skeletal-energy-homeostasis-a-paradigm-of-endocrine-discovery
#16
REVIEW
Karla J Suchacki, Fiona Roberts, Andrea Lovdel, Colin Farquharson, Nik M Morton, Vicky E MacRae, William P Cawthorn
Throughout the last decade, significant developments in cellular, molecular and mouse models have revealed major endocrine functions of the skeleton. More recent studies have evolved the interplay between bone-specific hormones, the skeleton, marrow adipose tissue, muscle and the brain. This review focuses on literature from the last decade, addressing the endocrine regulation of global energy metabolism via the skeleton. In addition, we will highlight several recent studies that further our knowledge of new endocrine functions of some organs; explore remaining unanswered questions; and, finally, we will discuss future directions for this more complex era of bone biology research...
July 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28410005/meeting-report-of-the-2016-bone-marrow-adiposity-meeting
#17
Bram van der Eerden, André van Wijnen
There is considerable interest in the physiology and pathology, as well as the cellular and molecular biology, of bone marrow adipose tissue (BMAT). Because bone marrow adiposity is linked not only to systemic energy metabolism, but also to both bone marrow and musculoskeletal disorders, this biologic compartment has become of major interest to investigators from diverse disciplines. Bone marrow adiposity represents a virtual multi-tissue endocrine organ, which encompasses cells from multiple developmental lineages (e...
April 5, 2017: Adipocyte
https://www.readbyqxmd.com/read/28335865/zebrafish-developmental-models-of-skeletal-diseases
#18
REVIEW
Lauryn N Luderman, Gokhan Unlu, Ela W Knapik
The zebrafish skeleton shares many similarities with human and other vertebrate skeletons. Over the past years, work in zebrafish has provided an extensive understanding of the basic developmental mechanisms and cellular pathways directing skeletal development and homeostasis. This review will focus on the cell biology of cartilage and bone and how the basic cellular processes within chondrocytes and osteocytes function to assemble the structural frame of a vertebrate body. We will discuss fundamental functions of skeletal cells in production and secretion of extracellular matrix and cellular activities leading to differentiation of progenitors to mature cells that make up the skeleton...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28288857/a-reductionist-approach-to-extract-robust-molecular-markers-from-microarray-data-series-isolating-markers-to-track-osseointegration
#19
Anwesha Barik, Satarupa Banerjee, Santanu Dhara, Nishant Chakravorty
Complexities in the full genome expression studies hinder the extraction of tracker genes to analyze the course of biological events. In this study, we demonstrate the applications of supervised machine learning methods to reduce the irrelevance in microarray data series and thereby extract robust molecular markers to track biological processes. The methodology has been illustrated by analyzing whole genome expression studies on bone-implant integration (ossointegration). Being a biological process, osseointegration is known to leave a trail of genetic footprint during the course...
April 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28238095/adp-ribosylation-factor-1-arf1-takes-part-in-cell-proliferation-and-cell-adhesion-mediated-drug-resistance-cam-dr
#20
Xiaohong Xu, Qiru Wang, Yunhua He, Linlin Ding, Fei Zhong, Yangyu Ou, Yaodong Shen, Hong Liu, Song He
Cell adhesion-mediated drug resistance (CAM-DR) remains the primary obstacle in human multiple myeloma (MM) therapy. In this study, we aimed at investigating the expression and biologic function of ARF1 in MM. We determined that ARF1 expression was positively correlated with cell proliferation and knockdown of ARF1 contributed to CAM-DR. The enhancement in the adhesion of MM cells to fibronectin (FN) or the bone marrow stroma cell line HS-5 cells translated to an increased CAM-DR phenotype. Importantly, we showed that this CAM-DR phenotype was correlated with the phosphorylation of Akt and ERK in MM cells...
May 2017: Annals of Hematology
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