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This study was aimed at identifying sex pheromones of the rat (Rattus norvegicus). We characterized the volatiles and semivolatiles of rat preputial gland and voided urine by using gas chromatography-mass spectrometry (GC-MS) and quantified them by their GC areas (abundances) and percentage of GC areas (relative abundances). Although all the compounds other(More)
This study was aimed at validating the sexual attractiveness of hexadecanol and hexadecyl acetate, two putative pheromone compounds, from preputial gland secretion of mice. These two compounds have been reported to be among the major components of preputial gland secretion in both sexes but higher in quantity in males than females. In this study, we show(More)
The possible role of uropygial gland-secreted compounds in olfactory discrimination of sex or sex attractants in the budgerigar, Melopsittacus undulatus, was investigated using behavioral 2-choice tests and gas chromatography-mass spectrometry analysis. Our data showed that female budgerigars were capable of distinguishing males from females in a Y maze via(More)
OBJECTIVE To study the clinicopathological characteristics of colorectal cancer in Guangdong Province. METHODS Statistical analysis was conducted in the 2 037 cases of colorectal cancer treated in Nanfang Hospital of First Military Medical University from 1986 to 2002. RESULTS The patient cohort consisted of 1 165 males (57.19%) and 872 females(More)
OBJECTIVE To explore the distribution of severe acute respiratory syndrome (SARS)-associated coronavirus (SARS-CoV) in SARS autopsy tissues at the molecular level. METHODS In situ hybridization was used to detect the expression and location of SARS-CoV RNA polymerase gene in autopsy tissues from SARS-Cov-infected subjects, including the lung, spleen,(More)
Bone cancer pain (BCP) is one of the most disabling factors in patients suffering from primary bone cancer or bone metastases. Recent studies show several chemokines (for example, CCL2, CXCL10) in the spinal cord are involved in the pathogenesis of BCP. Here we investigated whether and how spinal CXCL1 contributes to BCP. Mouse prostate tumor cell line,(More)
The present study was aimed to investigate the effects of guggulsterone (GS) on proinflammatory responses as well as the underlying molecular mechanisms in macrophage upon lipopolysaccharide (LPS) stimulation. Effects of GS on viability of Raw264.7 cells were examined using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay. Real-time(More)
BACKGROUND The mechanism of stroke-induced immunodepression syndrome (SIDS) remains uncertain. Some studies suggest that hyperactivation of the sympathetic nervous system (SNS) may be the key factor underlying SIDS. Catecholamines impair early lymphocyte response, which can increase the risk of stroke-associated infection (SAI). MATERIAL/METHODS Our study(More)
OBJECTIVE To assess the reliability and validity of the Sub-health Measurement Scale Version 1.0 (SHMS V1.0). METHODS A spot trial sampling of 2000 individuals was conducted to study the test-retest reliability, Cronbach alpha coefficient, split-half reliability, contract validity, content validity and criterion-related validity of SHMS V1.0. RESULTS(More)
OBJECTIVE To explore the role and mechanism of apoptosis in severe acute respiratory syndrome (SARS). METHODS Klenow-FragELTM DNA Fragmentation Detection Kit and immunohistochemical alkaline phosphatase detection reagent kit were used to detect cell apoptosis and expressions of CD68, CD20, CD4, CD8 and CD45RA in the pathological tissues of SARS patients.(More)