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Yana Li, Shuna Sun, Zhiwen Ding, Chunjie Yang, Guoping Zhang, Qiu Jiang, Yunzeng Zou
Fibroblast growth factor binding proteins (FGFBPs) are a class of secreted proteoglycans that function as an extracellular chaperone for locally stored FGFs and enhance FGF signaling. To date, all three human FGFBP genes have been identified and one orthologue fgfbp1a has been studied in zebrafish embryos. Here, we described the cloning and expression patterns of four novel FGFBP orthologues in zebrafish, fgfbp1b, fgfbp2a, fgfbp2b, and fgfbp3. Quantitative PCR and whole-mount in situ hybridization results showed that all transcripts except fgfbp2a are initially expressed in a maternal manner...
March 15, 2018: Gene
T Shintani, F Takatsu, S N Z Rosli, E Usui, A Hamada, K Sumi, Y Hayashido, S Toratani, Tetsuji Okamoto
Heparin-binding protein 17 (HBp17)/fibroblast growth factor-binding protein-1 (FGFBP-1) was first purified from medium conditioned by A431 cells for its capacity to bind to fibroblast growth factors 1 and 2 (FGF-1 and -2). Among FGF family members, FGF-2 is a potent mitogen for various cell types, including vascular endothelial cells, fibroblasts, and cancer cells such as oral squamous cell carcinoma (OSCC) cells. Besides being well known in bone metabolism, the active form of vitamin D3, i.e., 1α,25(OH)2D3 (1,25D3), was reported to have protective effects for heart disease and cancer...
October 2017: In Vitro Cellular & Developmental Biology. Animal
T Shintani, S N Z Rosli, F Takatsu, Y F Choon, Y Hayashido, S Toratani, E Usui, T Okamoto
We have previously reported that 1,25(OH)2 D3 inhibits NF-κB activity and thus inhibits growth of OSCC cells in serum-free culture and down-regulates HBp17/FGFBP-1 expression, which is important for cancer cell growth and angiogenesis. Here, we have investigated the effects of ED-71, an analog of vitamin D3 (VD) on OSCC cell lines in serum-free culture. It is known that ED-71 has a stronger inhibitory effect on bone resorption compared to VD and other VD analogs. To the best of our knowledge, there was no report examining the potential of ED-71 as an anti-cancer agent for OSCC...
November 2016: Journal of Steroid Biochemistry and Molecular Biology
S N Zawani B Rosli, Tomoaki Shintani, Shigeaki Toratani, Emiko Usui, Tetsuji Okamoto
Heparin-binding protein 17/fibroblast growth factor binding protein-1 (HBp17/FGFBP-1, GenBank accession no. NP-005121) is prominent for its role as the chaperone for fibroblast growth factor-2 (FGF-2), which plays a crucial role in angiogenesis as well as promoting tumor growth. HBp17/FGFBP-1 has been proposed as a candidate biomarker for a number of cancers since it is frequently found to be elevated in many cancer types including in the tissue and cell lines of oral squamous cell carcinomas (OSCC). Previously, we reported that 1α,25(OH)2D3 suppressed the HBp17/FGFBP-1 expression in OSCC by inhibiting nuclear factor-kappaB (NF-κB) expression via vitamin D3 receptor (VDR)...
October 2014: In Vitro Cellular & Developmental Biology. Animal
Marta de Ruijter-Villani, Paula R M van Boxtel, Tom A E Stout
Uterine-derived growth factors and cytokines play essential roles in regulating preimplantation conceptus development. In several species, fibroblast growth factor-2 (FGF2) promotes embryogenesis, trophoblast cell migration, and adhesion. This study investigated mRNA expression for FGF2, its receptors (FGFR1-4), the activating factor FGF binding protein (FGF-BP) in equine endometrium and trophectoderm during early pregnancy and the estrous cycle, and localized FGF2 protein in both endometrium and conceptus tissues...
December 2013: Theriogenology
A M Felício, C Boschiero, J C C Balieiro, M C Ledur, J B S Ferraz, A S A M T Moura, L L Coutinho
In the past, the focus of broiler breeding programs on yield and carcass traits improvement led to problems related to meat quality. Awareness of public concern for quality resulted in inclusion of meat quality traits in the evaluation process. Nevertheless, few genes associated with meat quality attributes are known. Previous studies mapped quantitative trait loci for weight at 35 and 42 days in a region of GGA4 flanked by the microsatellite markers, MCW0240 and LEI0063. In this region, there are 2 fibroblast growth factor binding protein (FGFBP) genes that play an important role in embryogenesis, cellular differentiation, and proliferation in chickens...
2013: Genetics and Molecular Research: GMR
S N Z Rosli, T Shintani, Y Hayashido, S Toratani, E Usui, T Okamoto
The heparin binding protein 17/fibroblast growth factor-binding protein-1 (HBp17/FGFBP-1, GenBank accession no. NP-005121) has been reported to enhance angiogenesis as well as promotes tumor growth in vivo. Furthermore, this molecule was found to be highly expressed in the tissue and cell lines of oral squamous cell carcinoma (OSCC). 1α,25(OH)2D3 is used to study its potential to curb the expression of HBp17/FGFBP-1 in cancer cells. Consequently, we found that HBp17/FGFBP-1 mRNA and protein levels were significantly down-regulated...
July 2013: Journal of Steroid Biochemistry and Molecular Biology
Elena Tassi, Kevin McDonnell, Krissa A Gibby, Jason U Tilan, Sung E Kim, David P Kodack, Marcel O Schmidt, Ghada M Sharif, Christopher S Wilcox, William J Welch, G Ian Gallicano, Michael D Johnson, Anna T Riegel, Anton Wellstein
Fibroblast growth factors (FGFs) participate in embryonic development, in maintenance of tissue homeostasis in the adult, and in various diseases. FGF-binding proteins (FGFBP) are secreted proteins that chaperone FGFs stored in the extracellular matrix to their receptor, and can thus modulate FGF signaling. FGFBP1 (alias BP1, FGF-BP1, or HBp17) expression is required for embryonic survival, can modulate FGF-dependent vascular permeability in embryos, and is an angiogenic switch in human cancers. To determine the function of BP1 in vivo, we generated tetracycline-regulated conditional BP1 transgenic mice...
November 2011: American Journal of Pathology
Shahana Begum, Yan Zhang, Tomoaki Shintani, Shigeaki Toratani, J Denry Sato, Tetsuji Okamoto
Heparin-binding protein 17/fibroblast growth factor-binding protein-1 (HBp17/FGFBP-1) is a secreted protein that releases immobilized fibroblast growth factor-2 (FGF-2) from the extracellular matrix and plays a critical role in FGF bioactivation. In the present study co-localization of FGF-2 and HBp17/FGFBP-1 was observed in oral tissues including normal mucosa, hyperplasia, dysplasia of different degrees and oral squamous cell carcinoma (OSCC). The expression score for HBp17/FGFBP-1, FGF-2 as well as vascular endothelial growth factor A (VEGF-A) became higher with the severity of epithelial dysplasia and was highest in severe dysplasia...
March 2007: Oncology Reports
D M Kilkenny, D J Hill
Fibroblast growth factor-2 (FGF-2) is a potent autocrine mitogen for fetal epiphyseal growth plate chondrocytes and exhibits a transient nuclear translocation during G1 of the cell cycle. We have characterized an intracellular binding protein (FGFBP) for FGF-2 that undergoes a juxtanuclear localization coincident with the nuclear translocation of the growth factor. Chondrocytes were isolated from the proliferative zone of the ovine fetal proximal tibial growth plate at 50-130 days gestation by collagenase digestion and were maintained in monolayer at early passage number...
November 1996: Endocrinology
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