2009
DOI: 10.1902/jop.2009.080225
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Neutrophil Formylpeptide Receptor Single Nucleotide Polymorphism 348T>C in Aggressive Periodontitis

Abstract: Background-Neutrophil formylpeptide receptors (FPRs) play an important role in bacterial recognition and chemotaxis. Defective FPR1 expression and impaired polymorphonuclear leukocyte (PMN) chemotaxis toward bacterial formylpeptides are associated with aggressive periodontitis (AP). The objective of this study was to determine whether single nucleotide polymorphisms (SNPs) in FPR1 are associated with AP.

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Cited by 24 publications
(15 citation statements)
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References 24 publications
(64 reference statements)
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“…Although it is unclear why individuals with the 348T/T genotype exhibit a lower PMN chemotactic response to fMLF, it is possible that 348T reduces the number of FPRs through a posttranscriptional regulatory mechanism. Consistent with this possibility, we recently reported that the mRNA associated with the haplotype 348T.568A exhibited higher free energy (lower stability) and a different secondary structure than that predicted for 348C.568A, which could potentially decrease mRNA stability and decrease translational efficiency 5,23 . Moreover, within five haplotype pairs differing only at 348T>C, the predicted secondary mRNA structures of haplotypes containing 348T were all associated with higher free energy (and lower stability) than those containing 348C.…”
Section: Discussionmentioning
confidence: 59%
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“…Although it is unclear why individuals with the 348T/T genotype exhibit a lower PMN chemotactic response to fMLF, it is possible that 348T reduces the number of FPRs through a posttranscriptional regulatory mechanism. Consistent with this possibility, we recently reported that the mRNA associated with the haplotype 348T.568A exhibited higher free energy (lower stability) and a different secondary structure than that predicted for 348C.568A, which could potentially decrease mRNA stability and decrease translational efficiency 5,23 . Moreover, within five haplotype pairs differing only at 348T>C, the predicted secondary mRNA structures of haplotypes containing 348T were all associated with higher free energy (and lower stability) than those containing 348C.…”
Section: Discussionmentioning
confidence: 59%
“…A commercially available kit ‖‖ was used to isolate genomic DNA from whole blood obtained from 37 cases and 38 controls. FPR1 SNP 348T>C and other coding region SNPs were detected by PCR amplification and sequencing of a 439–base pair (bp) fragment of FPR1 as previously described 23 . To detect 5′ SNPs, validated primer sets were used to amplify four fragments (500, 264, 188, and 783 bp) spanning ∼10 kb of the FPR1 5′ region 15 .…”
Section: Methodsmentioning
confidence: 99%
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“…The FPR1 gene was also examined in several studies; this gene encodes the high‐affinity N‐formyl peptide receptor, which is involved in attracting monocytes to sites of infection and mediating degranulation. These processes are thought to be abnormal in AgP, and thus genes controlling the function of this process are logical candidates . The first reported study was by Gwinn et al; however, the SNPs described by this group could not be identified/replicated by Zhang et al and we found that most of the reported primer sequences did not map to the FPR1 gene.…”
Section: Candidate Gene Studies In Aggressive Periodontitismentioning
confidence: 61%
“…IL-10 promoter polymorphisms at positions −1082 G-A, −819C-T, and −590C-A [44] and FPR348 T-C gene polymorphism in African-American people [45] are potential risk indicators for GAP. It is said that Fc gamma RIIIb-NA2 allele and Fc gamma RIIIb-NA2/NA2 genotype, composite genotype FcaRIIIb-NA2/NA2, FCgammaRIIIa-H/H131 [46], and FCgamma polymorphisms [47] may lead to aggressive periodontitis.…”
Section: Il-4-590 T/t Il-4-34 T/t Genotype Il-6-174gmentioning
confidence: 99%