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https://www.readbyqxmd.com/read/28805807/notch-signaling-pathway-and-gene-expression-profiles-during-early-in-vitro-differentiation-of-liver-derived-mesenchymal-stromal-cells-to-osteoblasts
#1
Ksymena Urbanek, Marta Lesiak, Daniel Krakowian, Halina Koryciak-Komarska, Wirginia Likus, Piotr Czekaj, Damian Kusz, Aleksander L Sieroń
Notch signaling is a key signaling pathway for cell proliferation and differentiation. Therefore, we formulated a working hypothesis that Notch signaling can be used to detect early osteoblastic differentiation of mesenchymal stromal cells. Changes in expression and distribution of Notch 1, 2, 3, and Delta1 in the cytoplasm and nuclei of rat liver-derived mesenchymal stromal cells differentiating into osteoblasts were investigated, together with the displacement of intracellular domains (ICDs) of the receptors...
August 14, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28773850/screening-of-osteogenic-enhancing-short-peptides-from-bmps-for-biomimetic-material-applications
#2
Kei Kanie, Rio Kurimoto, Jing Tian, Katsumi Ebisawa, Yuji Narita, Hiroyuki Honda, Ryuji Kato
Bone regeneration is an important issue in many situations, such as bone fracture and surgery. Umbilical cord mesenchymal stem cells (UC-MSCs) are promising cell sources for bone regeneration. Bone morphogenetic proteins and their bioactive peptides are biomolecules known to enhance the osteogenic differentiation of MSCs. However, fibrosis can arise during the development of implantable biomaterials. Therefore, it is important to control cell organization by enhancing osteogenic proliferation and differentiation and inhibiting fibroblast proliferation...
August 25, 2016: Materials
https://www.readbyqxmd.com/read/28760815/endothelial-cells-respond-to-the-direction-of-mechanical-stimuli-through-smad-signaling-to-regulate-coronary-artery-size
#3
Aruna Poduri, Brian Raftrey, Andrew H Chang, Siyeon Rhee, Mike Van, Kristy Red-Horse
How mechanotransduction intersects with chemical and transcriptional factors to shape organogenesis is an important question in developmental biology. This is particularly relevant to the cardiovascular system, which uses mechanical signals from flowing blood to stimulate cytoskeletal and transcriptional responses that form a highly efficient vascular network. Using this system, artery size and structure are tightly regulated, but the underlying mechanisms are poorly understood. Here, we demonstrate that deletion of Smad4 increased the diameter of coronary arteries during embryonic development, a phenotype that followed the initiation of blood flow...
July 31, 2017: Development
https://www.readbyqxmd.com/read/28758926/emt-met-at-the-crossroad-of-stemness-regeneration-and-oncogenesis-the-ying-yang-equilibrium-recapitulated-in-cell-spheroids
#4
REVIEW
Elvira Forte, Isotta Chimenti, Paolo Rosa, Francesco Angelini, Francesca Pagano, Antonella Calogero, Alessandro Giacomello, Elisa Messina
The epithelial-to-mesenchymal transition (EMT) is an essential trans-differentiation process, which plays a critical role in embryonic development, wound healing, tissue regeneration, organ fibrosis, and cancer progression. It is the fundamental mechanism by which epithelial cells lose many of their characteristics while acquiring features typical of mesenchymal cells, such as migratory capacity and invasiveness. Depending on the contest, EMT is complemented and balanced by the reverse process, the mesenchymal-to-epithelial transition (MET)...
July 29, 2017: Cancers
https://www.readbyqxmd.com/read/28758906/activin-a-enhances-mtor-signaling-to-promote-aberrant-chondrogenesis-in-fibrodysplasia-ossificans-progressiva
#5
Kyosuke Hino, Kazuhiko Horigome, Megumi Nishio, Shingo Komura, Sanae Nagata, Chengzhu Zhao, Yonghui Jin, Koichi Kawakami, Yasuhiro Yamada, Akira Ohta, Junya Toguchida, Makoto Ikeya
Fibrodysplasia ossificans progressiva (FOP) is a rare and intractable disease characterized by extraskeletal bone formation through endochondral ossification. Patients with FOP harbor point mutations in ACVR1, a type I receptor for BMPs. Although mutated ACVR1 (FOP-ACVR1) has been shown to render hyperactivity in BMP signaling, we and others have uncovered a mechanism by which FOP-ACVR1 mistransduces BMP signaling in response to Activin-A, a molecule that normally transduces TGF-β signaling. Although Activin-A evokes enhanced chondrogenesis in vitro and heterotopic ossification (HO) in vivo, the underlying mechanisms have yet to be revealed...
July 31, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28754575/heterotopic-bone-induction-via-bmp-signaling-potential-therapeutic-targets-for-fibrodysplasia-ossificans-progressiva
#6
Takenobu Katagiri, Sho Tsukamoto, Mai Kuratani
More than 50years ago, Marshal M. Urist detected "heterotopic bone-inducing activity" in demineralized bone matrix. This unique activity was referred to as "bone morphogenetic protein (BMP)" because it was sensitive to trypsin digestion. Purification of the bone-inducing activity from demineralized bone matrix using a bone-inducing assay in vivo indicated that the original "BMP" consisted of a mixture of new members of the transforming growth factor-β (TGF-β) family. The establishment of new in vitro assay systems that reflect the bone-inducing activity of BMPs in vivo have revealed the functional receptors and downstream effectors of BMPs...
July 25, 2017: Bone
https://www.readbyqxmd.com/read/28747434/thrombospondin-1-tsp-1-a-new-bone-morphogenetic-protein-2-and-4-bmp-2-4-antagonist-identified-in-pituitary-cells
#7
Céline Sallon, Isabelle Callebaut, Ida Boulay, Joel Fontaine, Delphine Logeart-Avramoglou, Corinne Henriquet, Martine Pugnière, Xavier Cayla, Philippe Monget, Grégoire Harichaux, Valérie Labas, Sylvie Canepa, Catherine Taragnat
Bone morphogenetic proteins (BMPs) regulate diverse cellular responses during embryogenesis and in adulthood including cell differentiation, proliferation and death in various tissues. In the adult pituitary, BMPs participate in the control of hormone secretion and cell proliferation suggesting a potential endocrine/paracrine role for BMPs, but some of the mechanisms are unclear. Here, using a bioactivity test based on embryonic cells (C3H10T1/2) transfected with a BMP-responsive element, we sought to determine whether pituitary cells secrete BMPs or BMP antagonists...
July 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28735655/an-intramedullary-nail-coated-with-antibiotic-and-growth-factor-nanoparticles-an-individualized-state-of-the-art-treatment-for-chronic-osteomyelitis-with-bone-defects
#8
Roberto Berebichez-Fridman, Pablo Montero-Olvera, Ricardo Gómez-García, Enrique Berebichez-Fastlicht
Among various infections, chronic osteomyelitis is one of the most challenging in terms of treatment. This infection is more common among patients with open fractures and those who have undergone elective orthopedic procedures. The treatment of osteomyelitis requires high antibiotic doses and an aggressive and multifaceted surgical approach. The use of parenteral antibiotics alone, without debridement, is not sufficiently effective, due to the formation of sequestra and the low vascularity of the affected area...
August 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28733469/bone-morphogenetic-proteins-breast-cancer-and-bone-metastases-striking-the-right-balance
#9
Catherine Zabkiewicz, Jeyna Resaul, Rachel Hargest, Wen Jiang, Lin Ye
Bone morphogenetic proteins (BMPs) belong to the TGF-β super family, and are essential for regulation of foetal development, tissue differentiation and homeostasis, and a multitude of cellular functions. Naturally, this has led to the exploration of aberrance in this highly regulated system as a key factor in tumourigenesis. Originally identified for their role in osteogenesis and bone turnover, attention has been turned to the potential role of BMPs in tumour metastases to, and progression within, the bone niche...
July 21, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28732398/simulation-of-targeted-pollutant-mitigation-strategies-to-reduce-nitrate-and-sediment-hotspots-in-agricultural-watershed
#10
Awoke Dagnew Teshager, Philip W Gassman, Silvia Secchi, Justin T Schoof
About 50% of U.S. water pollution problems are caused by non-point source (NPS) pollution, primarily sediment and nutrients from agricultural areas, despite the widespread implementation of agricultural Best Management Practices (BMPs). However, the effectiveness of implementation strategies and type of BMPs at watershed scale are still not well understood. In this study, the Soil and Water Assessment Tool (SWAT) ecohydrological model was used to assess the effectiveness of pollutant mitigation strategies in the Raccoon River watershed (RRW) in west-central Iowa, USA...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28716552/is-heterotopic-ossification-getting-nervous-the-role-of-the-peripheral-nervous-system-in-heterotopic-ossification
#11
Eleanor L Davis, Alan R Davis, Zbigniew Gugala, Elizabeth A Olmsted-Davis
Heterotopic ossification (HO), or de novo bone formation in soft tissue, is often observed following traumatic injury. Recent studies suggest that peripheral nerves may play a key functional role in this process. The results supporting a neurological basis for HO are examined in this article. Evidence supports the fact that BMPs released from bone matrix possess the capacity to induce HO. However, the process cannot be recapitulated using recombinant proteins without extremely high doses suggesting other components are required for this process...
July 15, 2017: Bone
https://www.readbyqxmd.com/read/28704409/soluble-activin-type-iib-receptor-improves-fracture-healing-in-a-closed-tibial-fracture-mouse-model
#12
Tero Puolakkainen, Petri Rummukainen, Jemina Lehto, Olli Ritvos, Ari Hiltunen, Anna-Marja Säämänen, Riku Kiviranta
Fractures still present a significant burden to patients due to pain and periods of unproductivity. Numerous growth factors have been identified to regulate bone remodeling. However, to date, only the bone morphogenetic proteins (BMPs) are used to enhance fracture healing in clinical settings. Activins are pleiotropic growth factors belonging to the TGF-β superfamily. We and others have recently shown that treatment with recombinant fusion proteins of activin receptors greatly increases bone mass in different animal models by trapping activins and other ligands thus inhibiting their signaling pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28696808/bone-morphogenetic-protein-7-transduced-human-dermal-derived-fibroblast-cells-differentiate-into-osteoblasts-and-form-bone-in-vivo
#13
Fuguo Chen, Dan Bi, Guangqing Cao, Chen Cheng, Sunxiang Ma, Yang Liu, Kaixiang Cheng
BACKGROUND: Human dermal-derived fibroblast cells (hDDFCs) are multipotent. Bone morphogenetic proteins (BMPs) are a group of cytokines that promote different developmental processes, including the formation of bone. BMPs can promote hDDFC osteogenesis, but the role of BMP7 in hDDFC osteogenesis in vitro and bone formation in vivo has not been investigated in depth. MATERIALS AND METHODS: hDDFCs were stably transfected with a human BMP7 recombinant adenovirus and osteogenic differentiation was examined by alkaline phosphatase staining and calcium accumulation...
July 11, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28695967/expression-of-the-alk1-family-of-type-i-bmp-admp-receptors-during-gastrula-stages-in-xenopus-embryos
#14
Avi Leibovich, Herbert Steinbeißer, Abraham Fainsod
Multiple members of the transforming growth factor beta (TGFβ) family of secreted factors play central inductive and patterning roles during embryogenesis. During gastrulation in vertebrates, the bone morphogenetic protein (BMP) sub-family is linked to formation of the embryonic organizer, Spemann's organizer in Xenopus, and dorsal-ventral mesoderm patterning. Our knowledge regarding the BMP receptors mediating this signaling is still very incomplete. The BMPR1A (ALK3) and BMPR1B (ALK6) receptors are known to mediate the BMP4 signal...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28695869/evaluation-of-the-association-between-a-single-nucleotide-polymorphism-of-bone-morphogenetic-proteins-5-gene-and-risk-of-knee-osteoarthritis
#15
A C Sharma, R N Srivastava, S R Srivastava, A Agrahari, A Singh, D Parmar
BACKGROUND: Osteoarthritis (OA) is a chronic degenerative disorder probably affected by both genetic and environmental causes. Bone morphogenetic proteins (BMPs) are bone-derived factors that can induce new bone formation. Single-nucleotide polymorphisms (SNPs) of BMP5 gene alters the transcriptional activity of the BMP5 promoter that has been involved in OA susceptibility. This case-control study investigated the association of rs1470527 and rs9382564 SNP of BMP5 gene with susceptibility to knee OA (KOA)...
July 2017: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/28687190/a-synthetic-bmp-2-mimicking-peptide-induces-glioblastoma-stem-cell-differentiation
#16
Elena Rampazzo, Monica Dettin, Francesca Maule, Alessandra Scabello, Luisa Calvanese, Gabriella D'Auria, Lucia Falcigno, Elena Porcù, Annj Zamuner, Alessandro Della Puppa, Daniele Boso, Giuseppe Basso, Luca Persano
BACKGROUND: Glioblastoma (GBM) is the most aggressive type of primary brain tumor, characterized by the intrinsic resistance to chemotherapy due to the presence of a highly aggressive Cancer Stem Cell (CSC) sub-population. In this context, Bone Morphogenetic Proteins (BMPs) have been demonstrated to induce CSC differentiation and to sensitize GBM cells to treatments. METHODS: The BMP-2 mimicking peptide, named GBMP1a, was synthesized on solid-phase by Fmoc chemistry...
September 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28681967/augmentation-of-fracture-healing-by-hydroxyapatite-collagen-paste-and-bone-morphogenetic-protein-2-evaluated-using-a-rat-femur-osteotomy-model
#17
Xuetao Wei, Satoru Egawa, Renpei Matsumoto, Hiroaki Yasuda, Keigo Hirai, Toshitaka Yoshii, Atsushi Okawa, Takehiko Nakajima, Shinichi Sotome
In fracture treatment, biological bone union generally depends on the bone's natural fracture healing capacity, even in surgically treated cases. Hydroxyapatite/collagen composite (HAp/Col) has high osteoconductivity and stimulates osteogenic progenitors. Furthermore, it has the potent capacity to adsorb bone morphogenetic proteins (BMPs). In this study, we prepared an injectable HAp/Col paste and evaluated its augmentation of bone union. Furthermore, the effect of HAp/Col paste combined with BMP-2 was also evaluated...
July 6, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28680159/peptides-derived-from-the-knuckle-epitope-of-bmp-9-induce-the-cholinergic-differentiation-and-inactivate-gsk3beta-in-human-sh-sy5y-neuroblastoma-cells
#18
Marc-Antoine Lauzon, Olivier Drevelle, Nathalie Faucheux
The incidence of brain degenerative disorders like Alzheimer's disease (AD) will increase as the world population ages. While there is presently no known cure for AD and current treatments having only a transient effect, an increasing number of publications indicate that growth factors (GF) may be used to treat AD. GFs like the bone morphogenetic proteins (BMPs), especially BMP-9, affect many aspects of AD. However, BMP-9 is a big protein that cannot readily cross the blood-brain barrier. We have therefore studied the effects of two small peptides derived from BMP-9 (pBMP-9 and SpBMP-9)...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28679949/aml-induced-osteogenic-differentiation-in-mesenchymal-stromal-cells-supports-leukemia-growth
#19
V Lokesh Battula, Phuong M Le, Jeffrey C Sun, Khoa Nguyen, Bin Yuan, Ximin Zhou, Sonali Sonnylal, Teresa McQueen, Vivian Ruvolo, Keith A Michel, Xiaoyang Ling, Rodrigo Jacamo, Elizabeth Shpall, Zhiqiang Wang, Arvind Rao, Gheath Al-Atrash, Marina Konopleva, R Eric Davis, Melvyn A Harrington, Catherine W Cahill, Carlos Bueso-Ramos, Michael Andreeff
Genotypic and phenotypic alterations in the bone marrow (BM) microenvironment, in particular in osteoprogenitor cells, have been shown to support leukemogenesis. However, it is unclear how leukemia cells alter the BM microenvironment to create a hospitable niche. Here, we report that acute myeloid leukemia (AML) cells, but not normal CD34+ or CD33+ cells, induce osteogenic differentiation in mesenchymal stromal cells (MSCs). In addition, AML cells inhibited adipogenic differentiation of MSCs. Mechanistic studies identified that AML-derived BMPs activate Smad1/5 signaling to induce osteogenic differentiation in MSCs...
July 6, 2017: JCI Insight
https://www.readbyqxmd.com/read/28668599/enhancing-anaerobic-digestion-of-food-waste-through-biochemical-methane-potential-assays-at-different-substrate-inoculum-ratios
#20
Shakira R Hobbs, Amy E Landis, Bruce E Rittmann, Michelle N Young, Prathap Parameswaran
Food waste has a high energy potential that can be converted into useful energy in the form of methane via anaerobic digestion. Biochemical Methane Potential assays (BMPs) were conducted to quantify the impacts on methane production of different ratios of food waste. Anaerobic digester sludge (ADS) was used as the inoculum, and BMPs were performed at food waste:inoculum ratios of 0.42, 1.42, and 3.0g chemical oxygen demand/g volatile solids (VS). The 1.42 ratio had the highest CH4-COD recovery: 90% of the initial total chemical oxygen demand (TCOD) was from food waste, followed by ratios 0...
June 28, 2017: Waste Management
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