Objective To study the effect of in utero exposure of TCDD on synthesis of EGF and EGFR in submandibular gland of rat offspring .

目的研究孕期 四 氯 二 苯对 二英 （ TCDD ） 处理对子鼠颌下腺表皮生长因子（EGF）和表皮生长因子受体（EGFR）的影响。

First the teratogenicity and carcinogenicity of TCDD in mice and rats mutagenicity of PCDD in Salmonella and the single oral LD50 values for some PCDDs and PCDFs in animals were summarized .

总结了 T 4CDD对小鼠和大鼠的致畸和致癌性 .PCDD对沙门氏菌的致突变性以及PCDDs，PCDFs对动物的LD（50）值。

Toxic Responses of Zebrafish Embryos to Sub-lethal Concentrations of TCDD Exposure

亚致死性浓度的 二恶英在斑马鱼胚胎中所致的毒性反应

Proteomic Analysis of the Rat Testis and Serum Following Chronic Exposure with TCDD

二恶英慢性暴露 雄性大鼠睾丸和血清蛋白组学研究

Effect of subchronic exposure to2 ( TCDD ) on reproductive system of male rats .

亚慢性 染毒2，3，7，8- 四 氯 二 苯 并 二恶英对雄性大鼠生殖系统的影响。

Effect of TCDD on the levels of Vitamin A and Vitamin E in plasma of the female rats

2 四 氯 二 苯 -p- 二恶英对雌性小鼠血浆维生素A、E的影响

Most of environmental pollutants are electrophile chemicals such as TCDD CdCl_2 HgCl_2 Pb ( C_2H_3O_2 ) _2 and so on .

环境污染物多数为亲电性（Electrophile）化学物质，如 TCDD，CdCl2，多氯联苯，HgCl2，Pb（C2H3O2）2等。

Objective To study the effect of TCDD on the levels of SOD GST MDA in livers of SD rats .

目的研究2 四 氯 二 苯 并 二恶英 （ TCDD）对SD大鼠肝脏SOD、GST、MDA的影响。

Conclusions Apoptosis of SPC-A1 cells could be effectively induced by TCDD in vitro .

结论 TCDD在体外能有效诱导SPC-A1细胞发生凋亡。

The effect of quercetin prevent with congenital hydronephrosis induced by TCDD in mice .

观察槲皮素 对小鼠先天性肾积水的预防作用。

However TCDD does not affect genetic material and there is a level of exposure below which cancer risk would be negligible .

不过， TCDD并不影响遗传物质，并且低于一定剂量的接触，致癌风险可以忽略不计。

Incidence rate congenital hydronephrosis induced by TCDD in C57BL / 6J fetal mice may be cut down effectually by quercetin . Effect of quercetin prevent with congenital hydronephrosis is related with that Prx 1 protein expression is inhibited in epithelium of mucous membrane of fetal ureter .

槲皮素能有效降低 TCDD所致胎鼠肾积水的发生率，其对小鼠先天性肾积水的预防作用与抑制胎鼠输尿管粘膜上皮Prx1蛋白表达有关。

Study on the toxical sensitivity of uterus of pregnant mouse by using TCDD

妊娠小鼠子宫对 2 四 氯苯 二恶英毒性的敏感性研究

Group ⅱ were the TCDD infected group at the dose of 50 microgram / kg ;

Ⅱ组为 二恶英 （ TCDD ） 染毒组，染毒剂量为50μg/kg；

TCDD subjective tests show improved system performance in favor of the FD system .

TCCD主体试验结果表明改良的系统性能评价有利于FD系统。

Experimental study on the effects of TCDD on SOD GST MDA in livers of SD rats

2 四 氯 二 苯 并 二恶英对SD大鼠肝脏SOD、GST、MDA影响的实验研究

The effects of different doses of TCDD on the concentrations of intracellular free calcium ions in the cultured myocardial cells of suckling rats were detected by laser scanning confocal microscopy .

观察 TCDD 对 心脏 功能 发育的影响：①利用激光共聚焦显微镜技术检测 TCDD对不同染毒剂量组培养乳鼠心肌细胞内游离钙离子浓度的影响。

Additionally the weight coefficients of testicle epididymis and seminal vesicle in middle or high TCDD exposed groups and the percentages of sperm abnormalities in epididymis tail of rats in middle or high TCDD exposed groups were significantly increased compared with controls ( P < 0.05 ) .

各 染毒组精子畸形率随剂量的增加而上升，中、高剂量组与对照组相比差异显著（P<0.01）。

Based on animal data and on human epidemiology data TCDD was classified by IARC as a known human carcinogen .

根据动物数据和人类流行病学数据，IARC将 TCDD分类为“已知人类致癌物”。

TCDD and VE had no significant effects on the levels of plasma estradiol .

TCDD 染毒和维生素E对 小鼠血浆雌二醇含量均没有明显影响。