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https://www.readbyqxmd.com/read/27922190/clc-3-promotes-osteogenic-differentiation-in-mc3t3-e1-cell-after-dynamic-compression
#1
Dawei Wang, Hao Wang, Feng Gao, Kun Wang, Fusheng Dong
ClC-3 chloride channel has been proved to have a relationship with the expression of osteogenic markers during osteogenesis, persistent static compression can upregulate the expression of ClC-3 and regulate osteodifferentiation in osteoblasts. However, there was no study about the relationship between the expression of ClC-3 and osteodifferentiation after dynamic compression. In this study, we applied dynamic compression on MC3T3-E1 cells to detect the expression of ClC-3, runt-related transcription factor 2 (Runx2), bone morphogenic protein-2 (BMP-2), osteopontin (OPN), nuclear-associated antigen Ki67 (Ki67) and proliferating cell nuclear antigen (PCNA) in biopress system, then we investigated the expression of these genes after dynamic compression with Chlorotoxin (specific ClC-3 chloride channel inhibitor) added...
December 6, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27918081/st1926-attenuates-steroid-induced-osteoporosis-in-rats-by-inhibiting-inflammation-response
#2
Hong-Xing Zhao, Yuan-Xia Huang, Jin-Gang Tao
Steroid, also known as glucocorticoid, induced osteonecrosis of the femoral head in young adults, which has been a challenging disorder for the frequent incidence of collapse of femoral head, leading to dysfunction of hip joint and impairing life quality of human. Bioavailable and less toxic synthetic retinoids, such as the atypical adamantyl retinoid ST1926, have been developed and investigated in clinical trials for many diseases. Serum lipid-related indicators were assessed to elucidate the role of ST1926 in regulating lipid metabolism...
December 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27915086/metabolism-and-neurogenesis
#3
REVIEW
Marlen Knobloch, Sebastian Jessberger
The generation of neurons in the developing and adult mammalian brain by neural stem/progenitor cells (NSPCs) depends on a tight control of NSPC activity and neuronal differentiation that is regulated by a plethora of intrinsic and extrinsic molecular cues. Besides well-studied morphogenic signaling pathways and transcriptional codes that govern the distinct developmental steps from the dividing NSPC to a functional neuron, a critical role of cellular metabolism to determine the functional properties of NSPCs and newborn neurons has been recently identified...
December 1, 2016: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/27911727/role-of-the-bone-morphogenic-protein-pathway-in-developmental-haemopoiesis-and-leukaemogenesis
#4
REVIEW
Parto Toofan, Helen Wheadon
Myeloid leukaemias share the common characteristics of being stem cell-derived clonal diseases, characterised by excessive proliferation of one or more myeloid lineage. Chronic myeloid leukaemia (CML) arises from a genetic alteration in a normal haemopoietic stem cell (HSC) giving rise to a leukaemic stem cell (LSC) within the bone marrow (BM) 'niche'. CML is characterised by the presence of the oncogenic tyrosine kinase fusion protein breakpoint cluster region-abelson murine leukaemia viral oncogene homolog 1 (BCR-ABL), which is responsible for driving the disease through activation of downstream signal transduction pathways...
October 15, 2016: Biochemical Society Transactions
https://www.readbyqxmd.com/read/27909654/bone-substitutes-and-expanders-in-spine-surgery-a-review-of-their-fusion-efficacies
#5
Abhijeet Kadam, Paul W Millhouse, Christopher K Kepler, Kris E Radcliff, Michael G Fehlings, Michael E Janssen, Rick C Sasso, James J Benedict, Alexander R Vaccaro
STUDY DESIGN: A narrative review of literature. OBJECTIVE: This manuscript intends to provide a review of clinically relevant bone substitutes and bone expanders for spinal surgery in terms of efficacy and associated clinical outcomes, as reported in contemporary spine literature. SUMMARY OF BACKGROUND DATA: Ever since the introduction of allograft as a substitute for autologous bone in spinal surgery, a sea of literature has surfaced, evaluating both established and newly emerging fusion alternatives...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27907211/characterization-and-immunomodulatory-effects-of-canine-adipose-tissue-and-bone-marrow-derived-mesenchymal-stromal-cells
#6
Keith A Russell, Natalie H C Chow, David Dukoff, Thomas W G Gibson, Jonathan LaMarre, Dean H Betts, Thomas G Koch
BACKGROUND: Mesenchymal stromal cells (MSC) hold promise for both cell replacement and immune modulation strategies owing to their progenitor and non-progenitor functions, respectively. Characterization of MSC from different sources is an important and necessary step before clinical use of these cells is widely adopted. Little is known about the biology and function of canine MSC compared to their mouse or human counterparts. This knowledge-gap impedes development of canine evidence-based MSC technologies...
2016: PloS One
https://www.readbyqxmd.com/read/27898568/whole-exome-sequencing-to-identify-novel-biological-pathways-associated-with-infertility-after-pelvic-inflammatory-disease
#7
Brandie D Taylor, Xiaojing Zheng, Toni Darville, Wujuan Zhong, Kranti Konganti, Olayinka Abiodun-Ojo, Roberta B Ness, Catherine M O'Connell, Catherine L Haggerty
BACKGROUND: Ideal management of sexually transmitted infections (STI) may require risk markers for pathology or vaccine development. Previously, we identified common genetic variants associated with chlamydial pelvic inflammatory disease (PID) and reduced fecundity. As this explains only a proportion of the long-term morbidity risk, we used whole-exome sequencing to identify biological pathways that may be associated with STI-related infertility. METHODS: We obtained stored DNA from 43 non-Hispanic black women with PID from the PID Evaluation and Clinical Health Study...
January 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/27898044/dna-damage-inducible-transcript-4-is-an-innate-surveillant-of-hair-follicular-stress-in-vitamin-d-receptor-knockout-mice-and-a-regulator-of-wound-re-epithelialization
#8
Hengguang Zhao, Sandra Rieger, Koichiro Abe, Martin Hewison, Thomas S Lisse
Mice and human patients with impaired vitamin D receptor (VDR) signaling have normal developmental hair growth but display aberrant post-morphogenic hair cycle progression associated with alopecia. In addition, VDR(-/-) mice exhibit impaired cutaneous wound healing. We undertook experiments to determine whether the stress-inducible regulator of energy homeostasis, DNA damage-inducible transcript 4 (Ddit4), is involved in these processes. By analyzing hair cycle activation in vivo, we show that VDR(-/-) mice at day 14 exhibit increased Ddit4 expression within follicular stress compartments...
November 26, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27895117/examining-crosstalk-among-transforming-growth-factor-%C3%AE-bone-morphogen-protein-and-wnt-pathways
#9
Adam D Coster, Curtis A Thorne, Lani F Wu, Steve J Altschuler
The integration of morphogenic signals by cells is not well understood. A growing body of literature suggests increasingly complex coupling among classically defined pathways. Given this apparent complexity, it is difficult to predict where, when or even whether crosstalk occurs. Here, we investigated pairs of morphogenic pathways, previously reported to have multiple points of crosstalk, which either do not share (TGFβ; and Wnt/β-catenin) or share (TGFβ; and BMP) core signaling components. Crosstalk was measured by the ability of one morphogenic pathway to cross-activate core transcription factors and/or target genes of another morphogenic pathway...
November 28, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27885807/loading-of-bmp2-related-peptide-onto-three-dimensional-nano-hydroxyapatite-scaffolds-accelerates-mineralization-in-critical-sized-cranial-bone-defects
#10
Tingfang Sun, Kui Zhou, Man Liu, Xiaodong Guo, Yanzhen Qu, Wei Cui, ZengWu Shao, Xianglin Zhang, Shuyun Xu
Extrusion free-forming, as a rapid prototyping technique, is extensively applied in fabricating ceramic material in bone tissue engineering. To improve the osteoinductivity of nano-hydroxyapatite (nHA) scaffold fabricated by extrusion free-forming, in this study, we incorporated a new peptide (P28) and optimized the superficial microstructure after shaping by controlling the sintering temperature. P28, a novel bone morphogenic protein 2 (BMP-2)-related peptide, was designed in this study. Analysis of the structure, physicochemical properties, and release kinetics of P28 from nHA sintered at temperatures ranging from 1000 °C to 1400 °C revealed that nHA sintered at 1000 °C had higher porosity, preferable pore size, and better capacity to control P28 release than that sintered at other temperatures...
November 25, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27863509/profibrotic-mediators-in-tendon-disease-a-systematic-review
#11
Wataru Morita, Sarah Jane Bothwell Snelling, Stephanie Georgina Dakin, Andrew Jonathan Carr
BACKGROUND: Tendon disease is characterized by the development of fibrosis. Transforming growth factor beta (TGF-β), bone morphogenic proteins (BMPs) and connective tissue growth factor (CTGF) are key mediators in the pathogenesis of fibrotic disorders. The aim of this systematic review was to investigate the evidence for the expression of TGF-β, BMPs and CTGF along tendon disease progression and the response of tendon cells to these growth factors accordingly. METHOD: We conducted a systematic screen of the scientific literature using the Medline database...
November 18, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27863470/transcript-profiling-for-early-stages-during-embryo-development-in-scots-pine
#12
Irene Merino, Malin Abrahamsson, Lieven Sterck, Blanca Craven-Bartle, Francisco Canovas, Sara von Arnold
BACKGROUND: Characterization of the expression and function of genes regulating embryo development in conifers is interesting from an evolutionary point of view. However, our knowledge about the regulation of embryo development in conifers is limited. During early embryo development in Pinus species the proembyo goes through a cleavage process, named cleavage polyembryony, giving rise to four embryos. One of these embryos develops to a dominant embryo, which will develop further into a mature, cotyledonary embryo, while the other embryos, the subordinate embryos, are degraded...
November 18, 2016: BMC Plant Biology
https://www.readbyqxmd.com/read/27859991/signaling-networks-in-joint-development
#13
REVIEW
Joanna E Salva, Amy E Merrill
Here we review studies identifying regulatory networks responsible for synovial, cartilaginous, and fibrous joint development. Synovial joints, characterized by the fluid-filled synovial space between the bones, are found in high-mobility regions and are the most common type of joint. Cartilaginous joints unite adjacent bones through either a hyaline cartilage or fibrocartilage intermediate. Fibrous joints, which include the cranial sutures, form a direct union between bones through fibrous connective tissue...
November 18, 2016: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/27852784/activity-induces-fmr1-sensitive-synaptic-capture-of-anterograde-circulating-neuropeptide-vesicles
#14
Samantha L Cavolo, Dinara Bulgari, David L Deitcher, Edwin S Levitan
: Synaptic neuropeptide and neurotrophin stores are maintained by constitutive bidirectional capture of dense-core vesicles (DCVs) as they circulate in and out of the nerve terminal. Activity increases DCV capture to rapidly replenish synaptic neuropeptide stores following release. However, it is not known whether this is due to enhanced bidirectional capture. Here experiments at the Drosophila neuromuscular junction, where DCVs contain neuropeptides and a bone morphogenic protein, show that activity-dependent replenishment of synaptic neuropeptides following release is evident after inhibiting the retrograde transport with the dynactin disruptor mycalolide B or photobleaching DCVs entering a synaptic bouton by retrograde transport...
November 16, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27849569/suppressor-of-fused-chaperones-gli-proteins-to-generate-transcriptional-responses-to-sonic-hedgehog-signaling
#15
Ziyu Zhang, Longyan Shen, Kelvin Law, Zengdi Zhang, Xiaotong Liu, Hu Hua, Sanen Li, Huijie Huang, Shen Yue, Chi-Chung Hui, Steven Y Cheng
Cellular responses to the graded Sonic hedgehog (Shh) morphogenic signal are orchestrated by three Gli genes that give rise to both transcription activators and repressors. An essential downstream regulator of the pathway, encoded by the tumor suppressor gene Suppressor of fused (Sufu), plays critical roles in the production, trafficking and function of Gli proteins, but the mechanism remains controversial. Here, we show that Sufu is up-regulated in active Shh responding tissues and accompanies Gli activators translocating into and Gli repressors out of the nucleus...
November 14, 2016: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/27848060/man1-restricts-bmp-signaling-during-synaptic-growth-in-drosophila
#16
Ulrike Laugks, Marie Hieke, Nicole Wagner
Bone morphogenic protein (BMP) signaling is crucial for coordinated synaptic growth and plasticity. Here, we show that the nuclear LEM-domain protein MAN1 is a negative regulator of synaptic growth at Drosophila larval and adult neuromuscular junctions (NMJs). Loss of MAN1 is associated with synaptic structural defects, including floating T-bars, membrane attachment defects, and accumulation of vesicles between perisynaptic membranes and membranes of the subsynaptic reticulum. In addition, MAN1 mutants accumulate more heterogeneously sized vesicles and multivesicular bodies in larval and adult synapses, the latter indicating that MAN1 may function in synaptic vesicle recycling and endosome-to-lysosome trafficking...
November 15, 2016: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/27845935/a-continuous-growth-model-for-plant-tissue
#17
Behruz Bozorg, Pawel Krupinski, Henrik Jönsson
Morphogenesis in plants and animals involves large irreversible deformations. In plants, the response of the cell wall material to internal and external forces is determined by its mechanical properties. An appropriate model for plant tissue growth must include key features such as anisotropic and heterogeneous elasticity and cell dependent evaluation of mechanical variables such as turgor pressure, stress and strain. In addition, a growth model needs to cope with cell divisions as a necessary part of the growth process...
November 15, 2016: Physical Biology
https://www.readbyqxmd.com/read/27843683/spinal-neuromodulation-as-a-novel-surgical-option-for-failed-back-surgery-syndrome-following-rhbmp-exuberant-bony-growth-in-instrumented-lumbar-fusion-a-case-report-and-literature-review
#18
Ramsis F Ghaly, Alexei Lissounov, Tatiana Tverdohleb, David Kohanchi, Kenneth D Candido, Nebojsa Nick Knezevic
BACKGROUND: Bone morphogenic protein (BMP) for instrumented lumbar fusion was approved in 2002, and since then has led to an increasing incidence of BMP-related neuropathic pain. These patients are usually resistant to conventional medical therapy and frequently undergo multiple surgical revisions without any pain relief. CASE DESCRIPTION: A 58-year-old male was referred to the author's outpatient clinic after four lumbar surgeries did not provide satisfactory pain relief...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27842452/role-of-bola-and-rpos-genes-in-biofilm-formation-and-adherence-pattern-by-escherichia-coli-k-12-mg1655-on-polypropylene-stainless-steel-and-silicone-surfaces
#19
Mohd Adnan, Ana Margarida Sousa, Idalina Machado, Maria Olivia Pereira, Saif Khan, Glyn Morton, Sibte Hadi
Escherichia coli has developed sophisticated means to sense, respond, and adapt in stressed environment. It has served as a model organism for studies in molecular genetics and physiology since the 1960s. Stress response genes are induced whenever a cell needs to adapt and survive under unfavorable growth conditions. Two of the possible important genes are rpoS and bolA. The rpoS gene has been known as the alternative sigma (σ) factor, which controls the expression of a large number of genes, which are involved in responses to various stress factors as well as transition to stationary phase from exponential form of growth...
November 15, 2016: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/27837289/wound-healing-and-scale-modelling-in-zebrafish
#20
F Caraguel, N Bessonov, J Demongeot, D Dhouailly, V Volpert
We propose to study the wound healing in Zebrafish by using firstly a differential approach for modelling morphogens diffusion and cell chemotactic motion, and secondly a hybrid model of tissue regeneration, where cells are considered as individual objects and molecular concentrations are described by partial differential equations.
November 11, 2016: Acta Biotheoretica
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