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https://www.readbyqxmd.com/read/28925495/laminin-associated-with-bmp7-as-potential-secondary-astrocytic-glioma-fiber-differentiation-targets
#1
G-S Mao, M Yan, Z-Z Ma, L-Z Sun, Y Liu
OBJECTIVE: To investigate the activation of the BMP7 and laminin pathway is associated with glioma cell proliferation and differentiation. PATIENTS AND METHODS: We enrolled 65 patients with primary operable glioma. Laminin and BMP7 protein expression and its subcellular localization were studied by immunofluorescence. RESULTS: We detected a higher level of BMP7 expression in glioma tissue in patients with a lower grade of glioma who had a lower eosinophil count...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28924042/alternative-cleavage-of-the-bone-morphogenetic-protein-bmp-gbb-produces-ligands-with-distinct-developmental-functions-and-receptor-preference
#2
Edward N Anderson, Kristi A Wharton
The family of TGF-β and bone morphogenetic protein (BMP) signaling proteins have numerous developmental and physiological roles. They are made as proprotein dimers, then cleaved by proprotein convertases to release the C-terminal domain as an active ligand dimer. Multiple proteolytic processing sites in Glass bottom boat (Gbb), the Drosophila BMP7 ortholog, can produce distinct ligand forms. Cleavage at the S1 or atypical S0 site in Gbb produces Gbb15, the conventional small BMP ligand, while NS site cleavage produces a larger Gbb38 ligand...
September 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28923783/bmp7-induced-pten-inhibits-akt-and-prevents-renal-fibrosis
#3
Debra F Higgins, Leah Ewart, Enda Masterson, Sadhbh Tennant, Gleb Grebnev, Marco Prunotto, Sylvia Pomposiello, Karin Conde-Knape, Finian M Martin, Catherine Godson
Bone morphogenetic protein-7 (BMP-7) counteracts pro-fibrotic effects of TGFβ1 in cultured renal cells and protects from fibrosis in acute and chronic renal injury models. Using the unilateral ureteral obstruction (UUO) model of chronic renal fibrosis, we investigated the effect of exogenous-rhBMP-7 on pro-fibrotic signaling pathways mediated by TGFβ1 and hypoxia. Mice undergoing UUO were treated with vehicle or rhBMP-7 (300μg/kg i.p.) every other day for eight days and kidneys analysed for markers of fibrosis and SMAD, MAPK, and PI3K signaling...
September 15, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28867673/bmp7-dose-dependently-stimulates-proliferation-and-cadherin-11-expression-via-erk-and-p38-in-a-murine-metanephric-mesenchymal-cell-line
#4
Midori Awazu, Michio Nagata, Mariko Hida
BMP7 is expressed in ureteric buds and cap mesenchyme of the fetal kidney, mediating branching morphogenesis and survival and priming of metanephric mesenchyme. Although dose-dependent effects of BMP7 in collecting duct cells have been reported, studies in metanephric mesenchymal cells are lacking. We examined the effects of BMP7 on MAP kinase activation, proliferation, and expression of cadherins in a metanephric mesenchymal cell line MS7 by thymidine incorporation, immunoblot analysis, and quantitative real-time PCR The levels of phosphorylated ERK (P-ERK) and phosphorylated p38 (P-p38) were not altered at 10 min, 1 h, and 6 h with low-dose BMP7 (0...
August 2017: Physiological Reports
https://www.readbyqxmd.com/read/28862380/fetal-bone-marrow-derived-mesenchymal-stem-stromal-cells-enhance-humanization-and-bone-formation-of-bmp7-loaded-scaffolds
#5
Abbas Shafiee, Jeremy G Baldwin, Jatin Patel, Boris M Holzapfel, Nicholas M Fisk, Kiarash Khosrotehrani, Dietmar W Hutmacher
Tissue engineered constructs built with human cells capable of generating a bone-like organ within the mouse have attracted considerable interest over the past decade. Here, we aimed to compare the utility of human mesenchymal stem/stromal cells (MSC) isolated from fetal term placenta (fPL-MSC) and fetal first trimester bone marrow (fBM-MSC) in a polycaprolactone scaffold/BMP7-based model in nude mice. Furthermore, fPL-MSC were co-seeded with fetal placenta-derived endothelial colony forming cells (ECFC) to assess the impact of ECFC on fPL-MSC osteogenesis...
September 1, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28855249/lncrna-chronos-is-an-aging-induced-inhibitor-of-muscle-hypertrophy
#6
Ronald L Neppl, Chia-Ling Wu, Kenneth Walsh
Skeletal muscle exhibits remarkable plasticity in its ability to modulate its mass in response to the physiologic changes associated with functional use, systemic disease, and aging. Although a gradual loss of muscle mass normally occurs with advancing age, its increasingly rapid progression results in sarcopenia in a subset of individuals. The identities of muscle-enriched, long noncoding RNAs that regulate this process are unknown. Here, we identify a long noncoding RNA, named Chronos, whose expression in muscle is positively regulated with advancing age and negatively regulated during Akt1-mediated growth...
August 30, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28834244/striking-a-new-path-in-reducing-cartilage-breakdown-combination-of-antioxidative-therapy-and-chondroanabolic-stimulation-after-blunt-cartilage-trauma
#7
Jana Riegger, Helga Joos, Hans-Georg Palm, Benedikt Friemert, Heiko Reichel, Anita Ignatius, Rolf E Brenner
Cartilage injury can trigger crucial pathomechanisms, including excessive cell death and expression of matrix-destructive enzymes, which contribute to the progression of a post-traumatic osteoarthritis (PTOA). With the intent to create a novel treatment strategy for alleviating trauma-induced cartilage damage, we complemented a promising antioxidative approach based on cell and chondroprotective N-acetyl cysteine (NAC) by chondroanabolic stimulation. Overall, three potential pro-anabolic growth factors - IGF-1, BMP7 and FGF18 - were tested comparatively with and without NAC in an ex vivo human cartilage trauma-model...
August 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28815607/a-3d-tri-culture-system-reveals-that-activin-receptor-like-kinase-5-and-connective-tissue-growth-factor-drive-human-glomerulosclerosis
#8
John P Waters, Yvonne C Richards, Jeremy N Skepper, Mark Southwood, Paul D Upton, Nicholas W Morrell, Jordan S Pober, John R Bradley
Glomerular scarring, known as glomerulosclerosis, occurs in many chronic kidney diseases and involves interaction between glomerular endothelial cells (GEC), podocytes and mesangial cells (MCs), leading to signals that promote extracellular matrix deposition and endothelial cell dysfunction and loss. We describe a 3D tri-culture system to model human glomerulosclerosis. In 3D monoculture, each cell type alters its phenotype in response to TGFβ, which has been implicated as an important mediator of glomerulosclerosis...
August 16, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28814567/cbf%C3%AE-2-deficiency-preserves-langerhans-cell-precursors-by-lack-of-selective-tgf%C3%AE-receptor-signaling
#9
Mari Tenno, Katsuyuki Shiroguchi, Sawako Muroi, Eiryo Kawakami, Keita Koseki, Kirill Kryukov, Tadashi Imanishi, Florent Ginhoux, Ichiro Taniuchi
The mouse Langerhans cell (LC) network is established through the differentiation of embryonic LC precursors. BMP7 and TGFβ1 initiate cellular signaling that is essential for inducing LC differentiation and preserving LCs in a quiescent state, respectively. Here we show that loss of Cbfβ2, one of two RNA splice variants of the Cbfb gene, results in long-term persistence of embryonic LC precursors after their developmental arrest at the transition into the EpCAM(+) stage. This phenotype is caused by selective loss of BMP7-mediated signaling essential for LC differentiation, whereas TGFβR signaling is intact, maintaining cells in a quiescent state...
August 16, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28812969/functional-expression-of-bmp7-receptors-in-oral-epithelial-cells-interleukin-17f-production-in-response-to-bmp7
#10
Kensuke Nishio, Yasumasa Ozawa, Hisanori Ito, Takashi Kifune, Tatsuya Narita, Toshimitsu Iinuma, Nobuhito Gionhaku, Masatake Asano
BACKGROUND: Bone morphogenetic proteins (BMPs) are members of the transforming growth factor-β (TGF-β) superfamily. Recently, BMP7 has been demonstrated to be produced by salivary glands and contribute to embryonic branching in mice. The BMP7 in saliva is thought to be delivered to the oral cavity and is expected to contact with stratified squamous epithelial cells which line the surface of oral mucosa. In this study, we attempted to investigate the effects of BMP7 on oral epithelial cells...
October 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28807877/cryptotanshinone-promotes-commitment-to-the-brown-adipocyte-lineage-and-mitochondrial-biogenesis-in-c3h10t1-2-mesenchymal-stem-cells-via-ampk-and-p38-mapk-signaling
#11
Khan Mohammad Imran, Naimur Rahman, Dahyeon Yoon, Miso Jeon, Byong-Taek Lee, Yong-Sik Kim
Although white adipose tissue (WAT) stores triglycerides and contributes to obesity, brown adipose tissue (BAT) dissipates energy as heat. Therefore, browning of WAT is regarded as an attractive way to counteract obesity. Our previous studies have revealed that treatment with cryptotanshinone (CT) during adipogenesis of 3T3-L1 cells inhibits their differentiation. Here, we found that pretreatment of C3H10T1/2 mesenchymal stem cells with CT before exposure to adipogenic hormonal stimuli promotes the commitment of these mesenchymal stem cells to the adipocyte lineage as confirmed by increased triglyceride accumulation...
October 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28782268/reprogramming-antagonizes-the-oncogenicity-of-hoxa13-long-noncoding-rna-hottip-axis-in-gastric-cancer-cells
#12
Deng-Chyang Wu, Sophie S W Wang, Chung-Jung Liu, Kenly Wuputra, Kohsuke Kato, Yen-Liang Lee, Ying-Chu Lin, Ming-Ho Tsai, Chia-Chen Ku, Wen-Hsin Lin, Shin-Wei Wang, Shotaro Kishikawa, Michiya Noguchi, Chu-Chieh Wu, Yi-Ting Chen, Chee-Yin Chai, Chen-Lung Steve Lin, Kung-Kai Kuo, Ya-Han Yang, Hiroyuki Miyoshi, Yukio Nakamura, Shigeo Saito, Kyosuke Nagata, Chang-Shen Lin, Kazunari K Yokoyama
Reprogramming of cancer cells into induced pluripotent stem cells (iPSCs) is a compelling idea for inhibiting oncogenesis, especially through modulation of homeobox proteins in this reprogramming process. We examined the role of various long noncoding RNAs (lncRNAs)-homeobox protein HOXA13 axis on the switching of the oncogenic function of bone morphogenetic protein 7 (BMP7), which is significantly lost in the gastric cancer cell derived iPS-like cells (iPSLCs). BMP7 promoter activation occurred through the corecruitment of HOXA13, mixed-lineage leukemia 1 lysine N-methyltransferase, WD repeat-containing protein 5, and lncRNA HoxA transcript at the distal tip (HOTTIP) to commit the epigenetic changes to the trimethylation of lysine 4 on histone H3 in cancer cells...
August 7, 2017: Stem Cells
https://www.readbyqxmd.com/read/28762248/engineering-brown-fat-into-skeletal-muscle-using-ultrasound-targeted-microbubble-destruction-gene-delivery-in-obese-zucker-rats-proof-of-concept-design
#13
Raul A Bastarrachea, Jiaxi Chen, Jack W Kent, Edna J Nava-Gonzalez, Ernesto Rodriguez-Ayala, Marcel M Daadi, Barbara Jorge, Hugo Laviada-Molina, Anthony G Comuzzie, Shuyuan Chen, Paul A Grayburn
Ultrasound-targeted microbubble destruction (UTMD) is a novel means of tissue-specific gene delivery. This approach systemically infuses transgenes precoupled to gas-filled lipid microbubbles that are burst within the microvasculature of target tissues via an ultrasound signal resulting in release of DNA and transfection of neighboring cells within the tissue. Previous work has shown that adenovirus containing cDNA of UCP-1, injected into the epididymal fat pads in mice, induced localized fat depletion, improving glucose tolerance, and decreasing food intake in obese diabetic mice...
September 2017: IUBMB Life
https://www.readbyqxmd.com/read/28735626/differentiation-of-hmsc-and-hpdlsc-induced-by-pge2-or-bmp-7-in-3d-models
#14
Christina Ern, Tamara Berger, Iris Frasheri, Richard Heym, Reinhard Hickel, Matthias Folwaczny
Regenerative therapies of pathogenic tissue defects are gaining increasing importance in periodontology. Among others, the osteogenic effect of BMP-7 seems to play a major role in the development of teeth and alveolar bone. Human periodontal ligament stem cells (hPDLSC), as well as human mesenchymal stem cells (hMSC), show the ability to differentiate into various types of tissues. Regarding prostaglandin E2, many studies have confirmed that it is involved in the inflammation associated to periodontitis stimulating osteoclasts, which ultimately leads to resorption of tooth supporting bone...
July 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28731788/identification-of-osr2-transcriptional-target-genes-in-palate-development
#15
X Fu, J Xu, P Chaturvedi, H Liu, R Jiang, Y Lan
Previous studies have identified the odd-skipped related 2 (Osr2) transcription factor as a key intrinsic regulator of palatal shelf growth and morphogenesis. However, little is known about the molecular program acting downstream of Osr2 in the regulation of palatogenesis. In this study, we isolated palatal mesenchyme cells from embryonic day 12.5 (E12.5) and E13.5 Osr2(RFP/+) and Osr2(RFP/-) mutant mouse embryos and performed whole transcriptome RNA sequencing analyses. Differential expression analysis of the RNA sequencing datasets revealed that expression of 70 genes was upregulated and expression of 61 genes was downregulated by >1...
July 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28731124/bmp7-mediates-the-anticancer-effect-of-honokiol-by-upregulating-p53-in-hct116-cells
#16
Rong-Xing Liu, Wen-Yan Ren, Yan Ma, Yun-Peng Liao, Han Wang, Jia-Hui Zhu, Hai-Tao Jiang, Ke Wu, Bai-Cheng He, Wen-Juan Sun
Colorectal cancer (CRC) is the second leading cause of cancer death. Hence, there is a great need to explore new efficacious drugs for the treatment of CRC. Honokiol (HNK), a natural product extracted from magnolia bark, processes various biological activities, including anticancer. In this study, we introduced cell viability assay, western blotting, real-time PCR and immunofluorescent staining to determine the anticancer effect of HNK, and the possible mechanism underlying this biological process. We found that HNK can inhibit the proliferation and induce apoptosis in HCT116 cells in a concentration- and time-dependent manner...
July 21, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28696808/bone-morphogenetic-protein-7-transduced-human-dermal-derived-fibroblast-cells-differentiate-into-osteoblasts-and-form-bone-in-vivo
#17
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
#18
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/28620300/novel-anti-fibrotic-therapies
#19
REVIEW
Benita L McVicker, Robert G Bennett
Fibrosis is a major player in cardiovascular disease, both as a contributor to the development of disease, as well as a post-injury response that drives progression. Despite the identification of many mechanisms responsible for cardiovascular fibrosis, to date no treatments have emerged that have effectively reduced the excess deposition of extracellular matrix associated with fibrotic conditions. Novel treatments have recently been identified that hold promise as potential therapeutic agents for cardiovascular diseases associated with fibrosis, as well as other fibrotic conditions...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28573199/combinatorial-discovery-of-defined-substrates-that-promote-a-stem-cell-state-in-malignant-melanoma
#20
Douglas Zhang, Junmin Lee, Michael B Sun, Yi Pei, James Chu, Martha U Gillette, Timothy M Fan, Kristopher A Kilian
The tumor microenvironment is implicated in orchestrating cancer cell transformation and metastasis. However, specific cell-ligand interactions between cancer cells and the extracellular matrix are difficult to decipher due to a dynamic and multivariate presentation of many signaling molecules. Here we report a versatile peptide microarray platform that is capable of screening for cancer cell phenotypic changes in response to ligand-receptor interactions. Using a screen of 78 peptide combinations derived from proteins present in the melanoma microenvironment, we identify a proteoglycan binding and bone morphogenic protein 7 (BMP7) derived sequence that selectively promotes the expression of several putative melanoma initiating cell markers...
May 24, 2017: ACS Central Science
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