Follicular Dendritic Cell Secreted Protein (FDC-SP) Recombinant, Antibody & ELISA Kit |
Follicular dendritic cell-secreted protein may enhance osteoclastogenesis in periodontal disease. Liu J, et al. Connect Tissue Res. 2016 Feb;57(1):38-43 |
Decreased expression of follicular dendritic cell-secreted protein correlates with increased immunoglobulin A production in the tonsils of individuals with immunoglobulin A nephropathy.
Meng HX, et al. Transl Res. 2015 Sep;166(3):281-91 |
Transfection with follicular dendritic cell secreted protein to affect phenotype expression of human periodontal ligament cells. |
Follicular dendritic cell secreted protein (FDC-SP), has been found to inhibit osteogenic differentiation of human periodontal ligament cells (hPDLCs) in recent studies. Based on these findings, we further investigate its effect on phenotype expression of hPDLCs in the present study, aiming to contribute to a better understanding of the biological functions governing FDC-SP-induced hPDLC differentiation. hPDLCs were firstly identified with immunocytochemical staining, followed by transfection with FDC-SP lentiviral vector. Western blot analysis was used to confirm the expression of FDC-SP. Then the influence of FDC-SP transfection on hPDLC proliferation, osteogenic and fibrogenic phenotype expression was evaluated at the mRNA and protein level. Procollagen type I c-peptide production was measured and alizarin red staining was then conducted to demonstrate effect of FDC-SP on functional differentiation. We found that hPDLCs could be successfully transfected with FDC-SP. Cell proliferation and cell cycle tests indicated that transfection with FDC-SP did not affect hPDLC proliferation. Moreover, according to real-time PCR and Western blot results, expression levels of type 1 collagen alpha 1, type 1 collagen alpha 2 and type 3 collagen were upregulated while that of osteocalcin, osteopontin, and bone sialoprotein were downregulated in FDC-SP transfected cells. In addition, hPDLCs overexpressing FDC-SP exhibited higher PIP production than the controls. Our findings demonstrate that transfection with FDC-SP has negligible adverse effect on proliferation of hPDLCs and imply the biological function of FDC-SP as a fibroblastic phenotype stabilizer by inhibiting hPDLCs differentiation into mineralized tissue-forming cells, thus regulating regeneration in periodontal tissue engineering |
Xiang L, et al. J Cell Biochem. 2014 May;115(5):940-8 |
Effect of FDC-SP on the phenotype expression of cultured periodontal
ligament
cells
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INTRODUCTION: Recently, a novel protein, follicular dendritic cell
secreted
protein (FDC-SP), has been identified in human periodontal ligament
(PDL) tissue
and a biomolecular study suggested that the expression of FDC-SP might
be
associated with the expression of the PDL phenotype. The purpose of
this study
was to test the effect of FDC-SP on the proliferation and phenotype of
PDL cells.
MATERIAL AND METHODS: Periodontal ligament cells obtained following
the 3(rd)
passage were exposed to various concentrations of FDC-SP. The cell
proliferation
was monitored by 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium
bromide(MTT) assay. Then, as a measure of osteogenic activity, the
alkaline
phosphatase (ALP) activity was recorded after 4, 7, and 14 days using
p-nitrophenylphosphate as a substrate. Finally, total RNA was
extracted and
RT-PCR was performed for gene analysis.
RESULTS: The results indicated that PDL cells exposed to 50 ng/ml
FDC-SP could
proliferate more rapidly. RT-PCR results showed that the mRNA
expression of
epidermal growth factor receptor (EGFR) was obviously upregulated and
the mRNA
expression of osteocalcin (OCN) and bone sialoprotein (BSP) were
downregulated in
PDL cells exposed to FDC-SP. Moreover, two groups of PDL cells exposed
to FDC-SP
showed a significant decrease of ALP activity during all the culture
days.
CONCLUSIONS: In sum, the findings observed in this study suggest that
FDC-SP in
PDL cells could positively affect the proliferation and act as a
fibroblastic
phenotype stabilizer by inhibiting their differentiation into
mineralized
tissue-forming cells.
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Wei N, et al. Arch Med Sci. 2011 Apr;7(2):235-41. doi: 10.5114/aoms.2011.22073. Epub 2011 May
17.
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Code No.: SK00319-01
Size: 480 T
Price: $2200.00 USD
Standard Range: 50-800 ng/ml
Sensitivity: 10 ng/ml
Sample Type: recombinant protein derived from E. Coli
Sample require: 100ul per well
Data Sheet: PDF |
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Code No.: A00319-01-100
Size: 100 ug
Price: $460.00 USD
Host: Rabbit
Antigen:FDC SP (H) Rec.
Ab Type: Polyclonal IgG
Purification: Protein A
Applications: indirectly E, IHC,
Working Dilution: IHC 1: 500 (2 ug/ml)
Data Sheet: PDF |
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Code No.: 00319-01-100
Size: 100 ug
Price: $460.00 USD
Protein ID:Q8NFU4
Gene ID:260436
MW:7.5 KD
Tag: His Tag on N-Terminus
Expressed: E. Coli
Purity: 95%
Data Sheet: PDF |
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