The HBsAg-hepatitis B discovery had stunning clinical implications.
乙肝表面抗原的发现在临床上具有重大的意义。
Objective To increase the expression level of HBsAg in ginseng callus cells.
目的提高乙型肝炎病毒表面抗原在人参愈伤组织细胞中的表达。
Objective To improve the immunogenicity of recombinant HBsAg expressed in CHO cells.
目的提高CHO细胞表达的重组乙型肝炎病毒表面抗原的免疫原性。
Objective: Purpose: to understand HbsAg carriers' medical burden and affected factors.
目的了解影响乙肝病毒表面抗原携带者医疗负担及影响因素。
Objective: To develop a new kind of piezoimmunosensor which can detect the HBsAg in a short time.
目的：研制一种新型、快速的用于检测乙肝表面抗原的压电免疫传感器。
In this case, the hepatitis B surface antigen (HbsAg) and hepatitis B core antibody (HbcAb) were positive.
该患者的乙肝表面抗原（HbsAg）和乙肝核心抗体（HbcAb）呈阳性。
The results showed various changes of HBsAg titers after the laser irradiation with different energy doses.
实验结果表明滴度变化与激光剂量及能量密度有明显关系。
This unique phenomenon indicates that HBsAg plays an important role in HBV infection and pathogenesis of the disease.
这表明表面抗原在乙肝病毒感染过程中具有特殊的作用，在乙型肝炎发病机制中扮演了重要的角色。
Conclusion: MTX selection should be timely used to overcome the instability of the expression of anti HBsAg in CHO HB2 cells.
结论：应及时用MTX对细胞株进行再加压筛选以及保存，以保持细胞稳定表达抗体的能力；
Objective To observe the expression of HBsAg in the kidney tissue of the dead fetus infected by HBV by maternal-fetal transmission.
目的观察乙型肝炎病毒通过产妇传播在胎儿肾脏组织中表达的情况。
Occult HBV infection is characterized by the persistence of HBV DNA in the liver of individuals negative for HBV surface antigen (HBsAg).
隐性乙肝病毒（HBV）感染的特点是人体肝内乙肝病毒（HBV）DNA持续存在而HBV表面抗原（HBsAg）阴性。
Objective To observe if there is expression of HBsAg in the cerebral tissues of dead fetuses infected by HBV by maternal-fetal transmission.
目的观察乙型肝炎病毒是否通过产妇传播并在胎儿大脑组织表达。
In comparison with commercial SFM, it can maintain growth of CHO cell for much longer peroid and the expressing level of HBsAg is higher too.
该培养基与商品化的无血清培养基比较，能够使细胞生长维持较长的时间，表达产物分泌量也相对较高。
Several commercial companies and academic researchers adapted the radioimmunoassay to produce kits for the accurate detection of HBsAg in blood.
许多商业公司和学术研究者对放射免疫检测法进行了调整，生产出了可以精确检测血液中乙肝表面抗原的设备。
But the gel diffusion technique that Blumberg and Alter used to detect HBsAg in blood was not sufficiently sensitive for accurate blood screening.
但是，布伦·伯格和艾特用于检测血液中乙肝表面抗原的凝胶扩散技术在精确的血液筛查中不够灵敏。
Primary prophylaxis with lamivudine of hepatitis B virus reactivation in chronic HbsAg carriers with lymphoid malignancies treated with chemotherapy.
B型肝炎病毒流行病学，疾病负担，治疗，以及目前和新出现的预防和控制措施。
Conclusion HBsAg immune activity can be weakened after the samples are laid long, then doctors may omit the patients with HBsAg weak positive illness.
结论标本久置会使乙肝表面抗原的免疫活性减弱，从而遗漏乙肝表面抗原弱阳性者。
The patient not only had all the morphologic triad of IBLD with dysproteinemia but also associated with HBsAg and cold agglutinin existing in his blood.
此病人除有免淋的全部形态学三联症及异常蛋白血症外，还伴有乙型肝炎表面抗原血症及冷凝集素血症。
To observe the express of HBsAg and the pathological changes in the placenta and liver tissue of the died fetus infected by HBV by maternal - fetal transmission.
观察乙型肝炎病毒在胎盘、肝组织中的表达和引起胎盘组织的病理改变情况。
Objective to establish internal quality control to distinguish the quality of diagnostic Kit and control operate error and improve the accuracy of HBsAg detection.
目的建立室内质控参考品以鉴别诊断试剂的质量和控制操作误差，提高乙型肝炎病毒表面抗原的检测准确度。
Conclusion: colorectal cancer rarely metastasizes to the liver infected with HbsAg; the chance of liver metastases of colorectal cancer is large for patients with HbsAg (-).
结论：结、直肠癌较少转移至感染乙肝的肝脏，非感染乙肝的肝转移机率较大。
Patients and METHODS: Renal transplant patients positive for HBV surface antigen (HBsAg) and submitted to a liver biopsy because of evidence of viral replication were included.
材料和方法：对肾移植患者检测出乙肝病毒表面抗原(HBsAg)阳性者进行肝活检，由此确定病毒复制证据。
Patients and METHODS: Renal transplant patients positive for HBV surface antigen (HBsAg) and submitted to a liver biopsy because of evidence of viral replication were included.
材料和方法：对肾移植患者检测出乙肝病毒表面抗原(HBsAg)阳性者进行肝活检，由此确定病毒复制证据。
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