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1.
Chinese Journal of Endemiology ; (12): 483-487, 2023.
Article in Chinese | WPRIM | ID: wpr-991658

ABSTRACT

Objective:To study the iodine nutrition status of children aged 8 to 10 and pregnant women and thyroid of children in Fushun City, Liaoning Province, and to provide data for formulation of prevention and control programs on iodine deficiency disorders in Fushun.Methods:In 2021, according to population probability proportional sampling method (PPS), 1 street (township) was selected from 7 districts and counties (Dongzhou District, Wanghua District, Dongzhou District, Xinfu District, Fushun County, Xinbin County and Qingyuan County) in Fushun City according to 5 directions (east, south, west, north and middle) and 1 primary school was selected from each street (township). Forty to 50 children aged 8 to 10 from each primary school and 20 pregnant women were selected from each street (township). Urine samples and salt samples of children and pregnant women were collected for urine iodine and salt iodine levels detection, and thyroid gland of children was examined to calculate the goiter rate. Urine iodine was determined by "Determination of Iodine in Urine Part 1: Method for Determination of Iodine in Urine by As 3+-Ce 4+ Eatalytic Spectrophotometry", salt iodine was determined by "General Test Method in Salt Industry - Determination of Iodine", and children's thyroid was examined by Doppler B-ultrasound. Children iodine nutrition criteria: urinary iodine median < 100 μg/L was iodine deficiency; 100 - < 200 μg/L was suitable for iodine; 200 - < 300 μg/L was more than the appropriate amount of iodine; ≥300 μg/L was iodine excess. Pregnant women iodine nutrition criteria: urinary iodine median < 150 μg/L was iodine deficiency; 150 - < 250 μg/L was suitable for iodine. 250 - < 500 μg/L was more than the appropriate amount of iodine; ≥500 μg/L was iodine excess. Criteria for iodized salt: 18 - 33 mg/kg was qualified iodized salt; < 5 mg/kg was non-iodized salt; 5 - < 18 or > 33 mg/kg was unqualified iodized salt. Results:A total of 1 647 children aged 8 to 10 years were selected, including 829 males and 818 females. The median urinary iodine of children was 203.4 μg/L. The median urinary iodine of children by district and county ranged from 151.6 to 232.4 μg/L, and the difference was statistically significant ( H = 24.227, P < 0.001). A total of 700 urine samples were collected from pregnant women. The median urine iodine was 164.7 μg/L. The median urine iodine of pregnant women by district and county ranged from 131.3 to 193.0 μg/L, and the difference was statistically significant ( H = 48.516, P < 0.001). A total of 2 347 salt samples were collected, including 2 329 iodized salt samples, with iodized salt coverage rate of 99.23% (2 329/2 347). There were 2 254 qualified iodized salt samples, and the rate of qualified iodized salt was 96.04% (2 254/2 347). There was no correlation between total urinary iodine level and salt iodine content ( r = 0.129, P > 0.05). The thyroid gland of 1 439 children was examined, and 25 children of them had goiter, with an enlargement rate of 1.74% (25/1 439), lower than the national standard for elimination of iodine deficiency disorders (< 5%), and the difference between counties and districts was statistically significant (χ 2 = 31.692, P < 0.01). Conclusion:The iodine nutrition of 8 to 10 years old children and pregnant women in Fushun City, Liaoning Province in 2021 is basically at an appropriate level, the rate of qualified iodized salt is high, and the goiter rate of children conforms to the national elimination standards of iodine deficiency disorders.

2.
Journal of Practical Stomatology ; (6): 692-695, 2016.
Article in Chinese | WPRIM | ID: wpr-618602

ABSTRACT

Objective:To detect the expression levels of T cell immunoglobulin mucin-3 (Tim-3) in peripheral blood natural killer (NK) cells of patients with oral squamous cell carcinoma (OSCC) and to study their biological and clinical significance.Methods:The expression of Tim-3 in the CD3-CD56 + NK cells was examined in 72 patients with OSCC and 40 heathy controls (HC) by flow cytometry.The correlation of Tim-3 expression in NK cells with clinicopathological parameters was analyzed.Results:The proportion of CD3-CD56 + NK cells was significantly decreased in OSCC patients as compared with HC [(9.30 ± 2.52)% vs (17.36 ± 3.15)%,P < 0.001].The percentage of Tim-3 + CD3-CD56 + NK cells in OSCC patients was higher than that in HC [(14.35 ± 6.35) % vs (1.78 ± 0.86) %,P < 0.001].High percentage of Tim-3 + CD3-CD56 + NK cells was associated with cell differentiation,lymphatic metastasis and pathological stage of OSCC (P < 0.01).Conclusion:Lower proportion of NK cells and higher level of Tim-3 in peripheral blood NK cells may play a role in the development of OSCC.

3.
Journal of Practical Stomatology ; (6): 587-589, 2015.
Article in Chinese | WPRIM | ID: wpr-464827

ABSTRACT

Ectrodactyly,ectodermal dysplasia and clefting(EEC)syndrome is characterised by ectrodactyly,ectodermal dysplasia and clef-ting.It has been rarely reported till now.To introduce the causes,manifestation,diagnosis and treatment of this disease,we presented a case of EEC syndrome and reviewed the related literature.It may provide some informations for clinical doctors.

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