Kanokporn Bhalang

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Variations in the gene encoding catechol-O-methyltransferase (COMT) are linked to individual differences in pain sensitivity. A single nucleotide polymorphism (SNP) in codon 158 (val(158)met), which affects COMT protein stability, has been associated with the human experience of pain. We recently demonstrated that three common COMT haplotypes, which affect(More)
Previously reported differences in sensitivity to experimental pain stimuli between the sexes, as well as between temporomandibular disorder (TMD) patients and healthy control subjects, may be attributable in part to group differences in two pain modulatory mechanisms: the baroreceptor reflex arc and the endogenous opioid system. Twenty-two pain-free (PF)(More)
UNLABELLED The aim of this study was to investigate the associations among 4 measures of pain induction procedures in 244 healthy women. The procedures were (1) pressure pain threshold assessed over the temporalis muscles, masseter muscles, temporomandibular joints, and the wrists; (2) C fiber-mediated heat pain threshold/tolerance assessed on the skin over(More)
OBJECTIVES The objective of this study was to elucidate the safety and effectiveness of acemannan, a polysaccharide extracted from Aloe vera, in the treatment of oral aphthous ulceration. DESIGN A skin patch test was performed on 100 healthy subjects, and 0.5% acemannan in Carbopol® 934P NF (Lubrizol Corporation, USA) was applied to the oral mucosa of the(More)
Mechanical force was shown to promote IGF-1 expression in periodontal ligament both in vitro and in vivo. Though the mechanism of this effect has not yet been proved, here we investigated the molecular mechanism of intermittent mechanical stress on IGF-1 expression. In addition, the role of hypoxia on the intermittent compressive stress on IGF-1 expression(More)
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