分泌抗——HBe单克隆抗体杂交瘤细胞株的建立

用ＨＢｅＡｇ阳性血清纯化ＨＢｅＡｇ，免疫ＢＡＬＢ／Ｃ小鼠脾细胞与小鼠骨髓瘤细胞进行融合，反复克隆化培养，最终获得４株分泌抗－ＨＢｅ单克隆抗体的杂交瘤细胞株。对其中两株进行了鉴定。其细胞培养上清中的ＥＬＩＳＡ效价的分别为１：８００和１：５００，诱生同属小鼠腹水中的ＥＬＩＳＡ效价均为１：１０００，特异性试验表明，两株杂交瘤分泌的抗体为特异性抗体，小鼠Ｉｇ亚类鉴定，两株抗体均为ＩｇＧ１亚类球蛋白。细胞染     

抗ENA单克隆抗体的研制

目的：制备与分析抗可提取性核抗原（ＥＮＡ）单克隆抗体;方法：以ＥＮＡ为抗原,免疫ＢＡＬＢ／ｃ小鼠,取其脾细胞与小鼠Ｓｐ２／０骨髓瘤细胞融合,经反复筛选和再克隆化,建立能稳定分泌抗ＥＮＡ单克隆抗体（ＭｃＡｂｓ）的杂交瘤细胞株;结果：共获得１１株能稳定分泌抗ＥＮＡ的杂交瘤细胞株。对其中的５种单克隆抗体（ＩＧ５,２Ｅ５,２Ｃ６,４Ｃ１０和４Ｅ６）进行了初步分析,结果如下：小鼠腹水抗体效价范围２×１０－５～３×１０－６;免疫球蛋白亚类鉴定,１株为ＩｇＧ２ａ,１株为ＩｇＧ２ｂ,其余３株均为ＩｇＧ１;结论：ＥＮＡ作为弱免疫原可用于制备单克隆抗体     

抗丙型肝炎病毒核心抗原单克隆抗体杂交瘤细胞株的建立及初…

用丙型肝炎病毒（ＨＣＶ）核心区合成肽作抗原免疫ＢＡＬＢ／ｃ小鼠，取其脾细节与骨髓瘤细胞ＳＰ＾２／０进行融合。经有限稀释法克隆３代后获得一株抗ＨＣＶ核心抗原ＣＰ１０的单克隆抗体（ＭｃＡｂ）杂交瘤细胞株３Ｅ７，并对其分泌抗体进行初步鉴定。杂交瘤细胞培养上清的抗体滴度为１：３２０，诱生同系小鼠腹水的滴度为１：１２８００，该ＭｃＡｂ能与ＣＰ１０特异性结合，杂交瘤细胞染色体数目为１０６条。分泌的抗体为ＩｇＧ     

人垂体提取液免疫建立促甲状腺素单抗杂交瘤细胞株

获取分泌结合力和特异性均好的抗人促甲状腺素单克隆抗体的杂交瘤细胞株。方法；用人重体提取液为免疫原，免疫ＢＡＬＢ／ｃ小鼠，以聚乙二醇为融合剂，亚克隆三次。结果；获得２株分泌与ｈＴＳＨ特异性结合的单克隆抗体杂交瘤细胞株，所分泌的免疫球蛋白为ＩｇＧ１，液相中与ｈＴＳＨ的最大备ｈＴＳＨ单克隆抗体；２．此２株单克隆抗体的获得为建立敏感的ｈＴＳＨ测定方法奠定了基础。     

抗血管内皮细胞生长因子受体单抗的制备及鉴定

目的：制备血管内皮细胞生长因子受体（ｋｉｎａｓｅｉｎｓｅｒｔｄｏｍａｉｎｃｏｎｔａｉｎｉｎｇｒｅｃｅｐｔｏｒ，ＫＤＲ）的单克隆抗体并鉴定其特异性。方法：在大肠杆菌中表达重组ＫＤＲ融合蛋白。融合蛋白经凝胶分离纯化后免疫ＢＡＬＢ／ｃ小鼠，取其脾细胞，用传统杂交瘤技术与小鼠骨髓瘤细胞融合及次黄嘌呤、氨基喋呤与胸苷选择性培养。单克隆杂交瘤上清经ＥＬＩＳＡ双筛和ＳＰ免疫组化筛选并鉴定其亚类。结果：经ＥＬＩＳＡ双筛和组化筛选获得了一株能稳定分泌人ＫＤＲ单克隆抗体的杂交瘤细胞株（命名为ＳＳＷ２），其分泌抗体亚类为ＩｇＧ１，产生的腹水效价可达１×１０－６。结论：ＳＳＷ２同血管内皮细胞尤其是肿瘤组织的血管内皮细胞有较强的阳性反应。     

抗人甲状腺球蛋白单克隆抗体的制备

目的：制备抗人甲状腺球蛋白（Ｔｇ）单克隆抗体，为建立高灵敏度的Ｔｇ检测方法做准备。方法：从人的甲状腺组织中提取Ｔｇ做抗原，经腹腔免疫ＢＡＬＢ／ｃ小鼠，取其脾细胞与小鼠骨髓瘤细胞系ＳＰ２／ｏ融合，筛选及克隆化。结果：获得２株分泌抗人Ｔｇ单克隆抗体的杂交瘤细胞株。鼠腹水抗体效价达１．０２×１０６。经免疫球蛋白类别及亚类的鉴定，２株单克隆抗体均为ＩｇＧ１亚类，轻链为Ｋ型。结论：我们制备的抗Ｔｇ单克隆抗体具有良好的免疫反应特性，符合Ｔｇ酶联免疫分析法（ＥＬＩＳＡ）的要求     

分泌抗人IgG单克隆抗体杂交瘤细胞株的建立

应用人ＩｇＧ免疫ＢＡＬＢ／Ｃ小鼠脾脏与ＳＰ２／０小鼠骨髓瘤细胞在ＰＥＧ作用下融合，经３次克隆化后获得五株抗人ＩｇＧ单克隆抗体的杂交瘤细胞，用被动血凝法和ＥＬＩＳＡ检测培养上清滴度为２￣４，用琼脂双扩散法证明此单克隆抗体只与人ＩｇＧ发生反应，产生透明沉淀线。经ＩｇＧ亚类血清鉴定，其单克隆抗体均属ＩｇＧ－Ｇ１亚类抗体。五株杂交瘤细胞在液氮保存数月，经反复复苏培养，不改变其分泌抗体的性能。     

抗结核杆菌单克隆抗体的研制及初步鉴定

运用单克隆抗体技术,以结核杆菌Ｈ３７Ｒｖ的培养滤液免疫Ｂａｌｂ／ｃ小鼠,以Ｈ３７Ｒｖ及ＢＣＧ抗原同时筛选杂交瘤细胞,得到了７析稳定分泌的抗结核杆菌的杂交瘤细胞株,并对它们的特性作了初步鉴定。在７株单克隆抗体杂交瘤中,５株（２Ｃ５、２Ｃ１１、２Ｄ１、２Ｅ１１及３Ｄ３）为ＩｇＧ１亚类,另两株（３Ｃ３及５Ｄ８）为ＩｇＭ。腹水经ＥＬＩＳＡ检测,效价可达１０＾－３～１０＾－４,同时应用ＥＬＩＳＡ及免疫印迹试     

分泌抗人促甲状腺激素（hTSH）单克隆抗体杂交瘤细胞株的建立

用ＳＰ２／０骨髓瘤细胞与经人促甲状腺激素（ｈＴＳＨ）免疫的ＢＡＬＢ／Ｃ小鼠的脾细胞融合，融合率６０．４％，抗体阳性率４．３％，经３－４次克隆化，筛出３株稳定分泌ＴＳＨＭｃＡｂ的杂交瘤细胞株。用放射免疫分析法（ＲＩＡ）检测小鼠腹水，抗体效价为１０＾－４时，抗体结合率为４５．５％。用ＥＬＩＳＡ方法检测小鼠腹水，抗体效价达１０＾－５。其中３株细胞做琼脂糖免疫双扩散试验，均显示为ＩｇＧ１，亚类。染色体计数     

建立分泌抗猪精液抑制素杂交瘤细胞株及其McAb的研究

用猪精液抑制素免疫ＢＡＬＢ／ｃ小鼠的脾细胞与ＮＳ－１小鼠骨髓瘤细胞融合，获得３株分泌抗猪精液抑制素单克隆抗体的杂交瘤细胞株，分别命名为２Ｄ、５Ｄ和６Ｇ，其分泌的抗体均为ＩｇＧ１型，不与大鼠ＬＨ、ＦＳＨ和ＰＲＬ产生交叉反应。杂交瘤细胞染色体平均为８５～１００条。细胞经反复冻存、复苏和传代，仍稳定分泌特异性抗体。     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.     

Expression of OPGmRNA and ODFmRNA in the patients of hip fracture due to osteoporosis

Objective：To investigate the gene expression of osteoprotegerin（OPG） and osteoclast differentiation factor（ODF） in the bone tissue of patients with hip fracture due to osteoporosis. Methods：OPGmRNA and ODFmRNA in the bone tissue in 50 cases of osteoporosis sufferers（over 50 years old） with hip fracture（Observer Group） and 30 cases of hip facture sufferers with no osteoporosis（Control group） were analyzed with the Semi-Quantitative RT-PCR method. Results：The mRNA expressed of ODF, OPG were both high in the patients with hip fracture. In the control group, the expression of OPG mRNA was observed, while the expression of ODF mRNA was very slight. Conclusion：Aged patients contained all signals including OPG, ODF that are essential for inducing osteoclastogenesis and promoting bone resorption.     

Dynamic Changes in Serum Estradiol and Progesterone levels in Patients of Premenstrual Syndrome with Adverse Flow of Liver-qi

Objective:To probe into the influence of changes of ovarian hormones on the pathogenesis of the specific sub-type premenstrual syndrome(PMS)and reveal partial microcosmic mechanisms of adverse flow of liver-qi.Methods:Estradiol(E2)and progesterone(P)levels in serum were determined at different phases of menstrual cycle by radioimmunoassay.Results:In the group of PMS with adverse flow of liver-qi.the secretive peak value Of E2 and P at the follicular phase significantly decreased,and the secretive peak value at the luteal phase did not come into being.Conclusions:Low E2 and P secretive peak at the follicular phase and absence of secretive peak at the luteal phase is one of the microcosmic mechanisms of PMS with adverse flow of liver-qi.One of the pathophysiologic mechanisms of specific sub-type PMS is probably the continuous low level of E2and P.     

Real-time Three-dimensional Echocardiography in Assessment of Left Ventricular and Right Ventricular Volumes

Real-time three-dimensional echocardiography (RT3DE)is a new ultrasound technique that enables dynamic threedimensional visualization and quantification of the heart in real time. Investigation of feasibility and methodology of RT3DE in determining left ventricular (LV) and right ventricular (RV) volumes, RT3DE was performed in 35 normal adults using Philips SONOS 7500 system with a 2-4 MHz matrix array transducer. The 60°×60° "pyramid" volume database was obtained and analyzed on a TomTec echo workstation. Both LV and RV volumes were calculated with four 3DE methods (i.e. apical 2, 4, 8, and 16-plane) through manually tracing ventricular endocardial borders in end diastole and end systole. Stroke volumes were then calculated. LV volume was also measured by 2DE Simpson's rule using GE VIVID 7 ultrasound machine.     

SCREENING FOR A 21-CHROMOSOME ABNORMALITY IN PREIMPLANTED EMBRYOS OF ELDERLY WOMEN

Increasing maternal age is the only etiological factor unequivocally linked to Down's syndrome in humans. The occurrence rate of newborns with Down's syndrome is about 1/220 in women over 35 years old. However, the occurrence rate in embryos fertilized in vitro, of the elder woman is unclear. Using FISH we screened the number of chromosome 21 in preimplanted embryos of 5 elderly women (average age, 38.4 years) to study the feasibility and necessity of screening trisomy 21 in embryos in patients over 35 years old at the in vitro fertilization (IVF) center.     

Scientific principles and rigorous processes should be followed in developing clinical guidelines for therapeutic interventions of integrative medicine

A clinical guideline for the therapeutic interventions of integrative medicine may be defined as a written document which states a series of recommendations on therapeutic interventions of integrative medicine for a special disease or condition. The guideline may provide assistance to medical professionals in making clinical decisions aimed at improving the clinical outcome of patients and reducing the costs of medical care（~＇4~. Recommendations issued by a guideline should be based on the best available evidence in both Western and Chinese medicine. For fulfilling this purpose, the development of clinical guidelines for therapeutic interventions in the field of integrative medicine should follow scientific principles and undergo a rigorous processes.