Objective: To observe the changes of free amino acids (FAAs) in plasma and brain of rats during simulated sea sickness and post–adaptation. Method: Pica or kaolin consumption was used as an indicator to judge the development of sea sickness and adaptation when SD rats were stimulated by Crampton sea sickness simulator. FAAs concentrations in plasma and brain of rats were determined by high performance liquid chromatography (HPLC) after simulated sea sickness and post-adaptation. Results: After simulated sea sickness stimulation for 1 d, the levels of Cys and Ile were increased, and Gly and Pro decreased significantly in plasma. The increase of BCAA/AAA ratio was also found. In brain, the contents of Ala, Cys+Met, Tyr, His, and total amino acids were remarkably decreased. After simulated sea sickness stimulation for 21 d, no changes of FAAs were observed in plasma and brain but the ratio of Glu/ GABA was increased in brain. There were no differences of FAAs, Glu/GABA ratio and BCAA/AAA ratio in plasma and brain of tolerant and susceptible sea sickness rats. Conclusion: The levels of amino acids, especially those related to neurotransmitter synthesis, in plasma and brain were changed significantly during sea sickness.

Objective To probe into optimal delivered dose of 131I therapy in hyperthyroidism and influencing factors.Methods Data of 6374 patients with hyperthyroidism receiving 131I therapy were summarized and analyzed.The patients were differentiated into Graves group (GD) and multinodular toxic goiter group (NGD) after 131I therapy.To compare incidence of hypothyroidism between two groups after 131I therapy,partial correlations analysis was performed between delivered dose and other variables influencing factors among cured patients.Results After 131I therapy incidence of permanently hypothyroidismin patients with Graves' group was much higher than that in patients with multinodular toxic goiter group(17.01％,0.39％,Pearson x2 value =704.8,P ＜ 0.01).Delivered dose of 131I therapy related closely to thyroid size,with or without nodules and thyroid rigidity(r =0.469,0.484,0.553).Disposable cured rate of 131I therapy was higher than 63.99％.Conclusion 131I therapy is optimal to multinodular toxic goiter.Delivered dose of 131I therapy will be increased for patients with bigger and stiff mass for therapeutic effects.

I uptake of thyroid and color Doppler flow imaging (CDFI) of superior thyroid artery (STA) were performed in 20 patients with Graves′ disease (GD) and 19 patients with other causes of hyperthyroidism. Maximum velocity and diameter of STA in patients with GD were much higher than those in non-GD group. CDFI of STA seems to be a useful tool in differential diagnosis of hyperthyoidism.

~(131)I uptake by thyroid were assayed in 64 patients with Graves′ disease (GD) and 69 patients with non-GD hyperthyroidism. GD group had higher rate of ~(131)I uptake than non-GD group at 2, 6 and 24 h, and there was no overlap between the two groups at these 3 time points.~(131)I uptake at 2 and 6 h could differentiate GD fromlow ~(131)I uptakehyperthyroidism.

Objective To observe the treatment efficacy in patients with hyperthyroidism by ~(131) radioactive iodine in conjunction with Jiakangshu oral solution.Methods 465 cases with hyperthyroidism were divided into control group(n=235)and treatment group(n=230).In the treatment group on the basis of ~(131) iodine therapy plus service Jiakangshu oral solution.The contents of T_3,T_4,FT_3,FT_4,TSH were observed before and after treatment.Results The cure rate 74.7% in treatment group after treatment 12-month was higher than 65.1%(χ~2=3.94,P＜0.05),total effective rate 88.6% was higher than 80.4%(χ~2=3.90,P＜0.05).The contents of T_3,T_4,FT_3,FT_4,TSH drop,but TSH levels increased in two groups after 12 months with those before treatment(t=2.745,2.778,2.845,2.812,2.833,all P＜0.05).The contents of T_3,T_4,FT_3,FT_4 in treatment group decreased significantly compared with the control group after treatment 12 months(t=2.145,2.178,2.245,all P＜0.05).The negative conversion rate of TGAb,TMAb in the treatment group were significantly higher than control group(χ~2=3.98,3.88,all P＜0.05).Conclusion The treatment effecs are obvious in patients with hyperthyroidism by 131 radioactive iodine in conjunction with JiaKangShu oral solution.

Objective To explore the value of follow-up of serum TSH stimulating thyroglobulin (Tg) test and 131I whole body scan(WBS) in patients with differentiated thyroid cancer(DTC) who were treated by 131I.Methods By SPSS software,Kappa test was performed between results of serum Tg,TgAb test and WBS for diagnosis of persistent/recurrent DTC.Results Consistency test of TSH stimulating Tg,TgAb and 131I WBS for diagnostic persistent/recurrent or metastasis of DTC:kappa value =0.587,SE =0.076,P ＜ 0.01.Although the results showed that two measurements appeared definite consistency,it is dissatisfactory.Conclusion Serum TSH stimulating Tg test and 131I whole body scan(WBS) are important follow-up tools for patients with DTC.Because of Tg interfering it is necessary to performed TgAb test simultaneously,when Tg test was performed.Especially 131I WBS do is not absent because false negative would be able to appeared in single serum TSH stimulating Tg and TgAb test.

Objective To explore the potential role of endogenous vascular elastase (EVE) in pathogenesis of coronary ar-tery lesions (CAL) in Kawasaki diseases (KD). Methods A total of 60 children with KD admitted from Jan. 2012 to Apr. 2013 were enrolled, and at the same time 60 febrile children with respiratory infection were enrolled as controls. The left and right coro-nary artery diameter value was measured by ultrasonic cardiogram. The levels of EVE, matrix metalloproteinases (MMP)-9 and transforming growth factor (TGF)-β1were determined by enzyme-linked immunosorbent assay and their correlations with coro-nary artery diameter were analyzed. Results The levels of EVE, MMP-9 and TGF-β1 in KD children in the acute phase were significantly higher than those in control group (P<0.01). Meanwhile, the level of EVE in KD children with coronary artery le-sion (CAL) is significantly higher than that in KD children without CAL. The results of correlation analysis indicated that the levels of EVE, MMP-9 and TGF-β1 were positively correlated with coronary artery diameters (r=0.64~0.79, P<0.01). Conclu-sions EVE plays an important role in the CAL of KD may through inducing the produce of MMP-9, TGF-β1 and finally caus-ing the formation of CAL.

Objective To explore the diagnostic value of N‐terminal Pro‐Brain Natriuretic Peptide (NT‐proBNP) in Kawasaki disease (KD) in children .Methods Ninety one children with KD were collected and 80 patients with acute upper respiratory infec‐tion were used as controls .Plasma NT‐pro BNP concentrations and other laboratory date were collected in the acute of KD .The re‐lationships between NT‐pro BNP values and different clinical and laboratory data in the acute phase were sought .Results The mean plasma NT‐pro BNP concentration in patients with KD in the acute phase was (1 042 .38 ± 528 .7)pg/mL ,significantly higher than those of control group(458 .6 ± 412 .3)pg/mL (P<0 .05) .The results of linear correlation analysis indicated that plasma NT‐pro BNP was positively correlated with CRP (r= 0 .442 ,P< 0 .05) ,and negatively correlated with Hematocrit ,Albumin and Na (r= -0 .216 ,r= -0 .204 ,r= -0 .315 ,respectively ;P<0 .05) .According to ROC analysis ,the AUC of NT‐pro BNP for detection of KD were 0 .881 ,sensitivity and specificity was 70 .1% and 84 .0% respectively for the cut‐off value of 530 pg/mL .Conclusion Our findings showed that NT‐proBNP would elevate in the acute stage of KD and was a reliable marker for the diagnosis of KD .A high level of NT‐pro BNP is associated with systemic inflammatory responses and increased vascular permeability .

Objective To explore the role and expression of cell apoptosis regulatory genes in patients with temporal lobe epilepsy characterized by hippocampus sclerosis.Methods The experimental specimens were obtained from 15 patients with temporal lobe epilepsy (epilepsy group) and 6 control samples (control group) were obtained from temporal lobe excision of brain trauma decompression,investigated neuron apoptosis by HE stain,TdT-mediated dUTP-biotin nick end labeling (TUNEL) method,and determined the expression of bcl-2,bax and caspase-3 by immunohistochemistry.Results The evidence of neuron apoptosis was not found by HE stain in both control group and epilepsy group.Positive cells was not found in control group,but was obviously observed in epilepsy group by TUNEL staining [(4.39 ± 2.04) numbers/100].Unlike that in normal adult brain,bcl-2 immunoreactivity was obviously observed in some neurons in epilepsy group[(6.72 ± 3.36) numbers/100] (P ＜ 0.01).Compared with control group,bax protein in epilepsy group was mild expression (P ＞ 0.05).Two cases in control group were detected the expression of caspase-3 protein,and caspase-3 significantly increased in epilepsy group [(1.07 ± 0.43),(9.54 ± 3.68) numbers/100] (P ＜ 0.01).Conclusions Neuron apoptosis is an important cause of hippocampal sclerosis of human epilepsy.bcl-2 and caspase-3 may play an important role in this process.

Objective To study the effects of low power laser irradiation in nasal cavity on cerebral blood flow and cerebral function in patients with brain infarction. Methods Thirty-nine patients with cerebral infarction were divided into a intravenous laser irradiation group and a laser irradiation in nasal cavity group. For the group of intravenous irradiation (ILIB group,18 cases), the patients lay on the bed with their heads fixed and were treated with intravenous laser irradiation for 30 min. Both before and after the therapy they received a SPECT cerebral perfusion imaging separately. For the group of laser irradiation in nasal cavity (LINC group,21 cases), the patients received laser irradiation in nasal cavity for 30 min and also SPECT cerebral perfusion imaging tests both before and after therapy. BFCR% model was used to quantify the blood flow of the focal and mirror regions. Results SPECT showed that there was significant improvement in perfusion of the entire brain and cerebral function in both ILIB and LINC groups after 30 minutes of treatment,each compared to those before treatment; the changes in the focal rCBF and cerebral function were much more obvious (P0.05). BFCR% in focal region was significantly higher than that in mirror region (P0.05). Conclusion Low power laser irradiation in nasal cavity can improve the focal rCBF and cerebral function of the patients with brain infarction, which is similar to that of the ILIB.