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1.
Zhongguo Dang Dai Er Ke Za Zhi ; 18(11): 1106-1110, 2016 Nov.
Article in Chinese | MEDLINE | ID: mdl-27817774

ABSTRACT

OBJECTIVE: To investigate the expression of vasoactive intestinal peptide (VIP) in peripheral blood of children with hand, foot and mouth disease and its significance. METHODS: According to the condition of the disease, 86 children with hand, foot and mouth disease were classified into phase 1 group (19 children) and phase 2 group (67 children). ELISA was used to measure the concentrations of plasma VIP, interferon-γ (IFN-γ), and interleukin-4 (IL-4) in peripheral blood. Flow cytometry was used to measure CD3+, CD4+, and CD8+ T lymphocyte subsets. RT-PCR was used for qualitative detection of enterovirus 71 (EV71) RNA in stool. RESULTS: Compared with the phase 1 group, the phase 2 group had a significantly higher positive rate of EV71-RNA (P<0.05) and significantly higher serum levels of IgG, IgA, IgM, and C3 (P<0.05). The phase 2 group had significantly lower proportions of peripheral CD3+, CD4+, and CD8+ T lymphocyte subsets than the phase 1 group (P<0.05), as well as significantly lower proportion of peripheral B cells and CD4+/CD8+ ratio than the phase 1 group (P<0.05). The phase 2 group also had a significantly lower concentration of VIP in peripheral blood than the phase 1 group (P<0.05). In the 86 children with hand, foot and mouth disease, the concentration of VIP in peripheral blood was positively correlated with the proportion of CD4+ T lymphocyte subset and CD4+/CD8+ ratio (r=0.533 and 0.532 respectively; P<0.05). CONCLUSIONS: VIP may be an important marker of the severity of hand, foot and mouth disease.


Subject(s)
Hand, Foot and Mouth Disease/immunology , Vasoactive Intestinal Peptide/blood , Biomarkers , CD4-CD8 Ratio , Child, Preschool , Female , Humans , Infant , Interferon-gamma/blood , Interleukin-4/blood , Male , Severity of Illness Index
2.
Zhonghua Liu Xing Bing Xue Za Zhi ; 31(3): 286-9, 2010 Mar.
Article in Chinese | MEDLINE | ID: mdl-20510054

ABSTRACT

OBJECTIVE: To understand the prevalence of smoking in different sub-populations in Xuzhou area so as to develop effective tobacco control policies. METHODS: Through multi-stage randomized cluster sampling, a face-to-face study with standard questionnaire was carried out among residents aged above 15 years, from June to December 2008, with descriptive nature. RESULTS: Totally, 44 686 people, with 21 524 males and 23 162 females at age 15 and over were investigated, including 34 391 of them from rural areas and 10 295 from the urban population. Data regarding rates on ever smoked and current smoking, regular smoking, heavy smoking, and average numbers of cigarettes smoked per day, types of tobacco products smoked, rates on quitting smoking successfully, relapse, passive smoke exposure etc., were 22.45%, 21.40%, 15.49%, 9.49%, 15.09/d, 4.68%, 5.91% and 14.12% respectively. There were no significant differences in the rates of overall smoking, current smoking and regular smoking among urban and rural residents (P > 0.05). However, rates of successfully quitting smoking and passive smoke exposure in the urban areas were higher than those in the rural areas (P < 0.05). Rates regarding relapse, heavy smoking and average numbers of cigarettes smoked per day in the rural areas were higher than those in the urban areas (P < 0.05). Rates on smoking, current smoking, regular smoking, heavy smoking, relapse and average numbers of cigarettes smoked per day were higher in males than those in females (P < 0.05). Rates of quitting smoking successfully and passive smoke exposure were higher in females than those in males (P < 0.05). The major types of tobacco products smoked by people aged 15 years old and above were cigarettes (85.17%), and Chinese pipes (3.24%). CONCLUSION: Smoking was quite common in people from Xuzhou. Our data suggested that health education should be strengthened and sustainable intervention measures be developed and implemented to control the tobacco use in the area.


Subject(s)
Smoking/epidemiology , Tobacco Smoke Pollution/statistics & numerical data , Adolescent , Adult , Aged , China/epidemiology , Female , Humans , Male , Middle Aged , Rural Population , Surveys and Questionnaires , Urban Population , Young Adult
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