Guangyou Duan

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BACKGROUND This study aimed to explore the role of a nonsynonymous single-nucleotide polymorphism, 3312G>T, in SCN9A, which was identified in probands with congenital indifference to pain, but which is also present in normal controls, in the prediction of individual baseline pain perception, and postoperative pain sensitivity in the general population. (More)
Congenital insensitivity to pain with anhidrosis (CIPA) is a very rare autosomal recessively inherited disorder. The main clinical features of the disorder consist of absence of reactions to noxious stimuli and inability to sweat under any conditions.In this case report, a 3-year-old Chinese boy diagnosed with CIPA presented with the core features of CIPA,(More)
Individual variability in the effects of opioid analgesics such as fentanyl remains a major challenge for tailored pharmacological treatment including postoperative analgesia. This study aimed to establish a new real-time method for detecting the effects of fentanyl and their individual differences in the preoperative period, using the pressure pain(More)
OBJECTIVE On the basis of our experience in the application of the mechanical algometer and a number of pilot experiments, we speculated that 0.1- and 0.01-cm(2) probes might improve the measurement of mechanical pain sensitivity relative to the conventional 1-cm(2) probe. Here, we examined the accuracy, feasibility, and applicability of these probes in(More)
OBJECTIVE To compare the differences of postoperative patient-controlled intravenous analgesia for laparoscopic cholecystectomy and gynecological laparoscopy in female patients. METHODS This retrospective study included 645 female patients received laparoscopic cholecystectomy or gynecological laparoscopy (laparoscopic oophorocystectomy/myomectomy)(More)
UNLABELLED SCN9A is a key player in various rare monogenic pain disorders, including absence of pain or extreme pain, indicating that SCN9A is critical in human pain perception. This study aimed to investigate the association between the single-nucleotide polymorphisms (SNPs) in SCN9A and basal pain sensitivity variability in the general population. We used(More)
BACKGROUND Congenital insensitivity to pain with anhidrosis is an extremely rare hereditary disorder linked to variants in NTRK1. Our goal was to characterize the clinical features and the genetic basis of the disorder in Chinese patients. METHODS Patients were enrolled via social networking. Clinical features were investigated by interview, chart review,(More)
This study aimed to use long-term diazoxide treatment to establish a loss-of-cardioprotection model and then perform proteomics analysis to explore which proteins of mitochondrial inner membrane (MIM) are potentially involved in delayed cardioprotection. Rats received 1 to 8 weeks of diazoxide treatments (20 mg•kg-1•d-1) to establish a(More)
BACKGROUND Nav1.8 sodium channels, encoded by SCN10A, are preferentially expressed in nociceptive neurons and play an important role in human pain. Although rare gain-of-function variants in SCN10A have been identified in individuals with painful peripheral neuropathies, whether more common variants in SCN10A can have an effect at the channel level and at(More)
BACKGROUND A high degree of inter-individual differences was noted in human basal pain as well as the reporting of clinical pain, such as postoperative pain. Understanding the effects of common epidemiological variations and preoperative experimental methods of human pain perception may contribute to individualized pain treatment for patients. OBJECTIVES(More)