中国广东妇女子宫内膜异位症与HLA—DPB1的相关性研究

目的：探讨子宫内膜异位症与人类白细胞抗原－DPB1（HLA－DPB1）等位基因的相关性，从而分析子宫内膜异位症患者的遗传易感性。方法：采用DNA序列分析的分型技术（sequence-based typing ,SBT)对38例经腹腔镜或外科手术证实为子宫内膜异位症患者和36例非子人膜异位症妇女进行HLA－DPB1等位基因的基因分型。结果：两组人群HLA－DRB1等位基因表型频率的差异无显著性。结论：子宫内膜异位症与HLA－DRB1等位基因可能无相关性。     

山东地区MG易感性与HLA—DQB1基因多态性的相关性研究

目的 探讨中国北方汉人HLA－DQB1基因和重症肌无力的遗传易性感笥的相关性。方法 运用PCR－SSP基因分型方法,对53例MG患者及50例健康对照组HLA－DQB1基因进行分型,并对患者组和健康对照组的DQB1各等位基因频率进行比较。结果 DQB1＊0303的频率在患者组中明显升高,差异具有显著性意义。结论 DQB1＊0303参与北方汉人MG的易感性。     

山西汉族类风湿关节炎与HLA-DPB1基因相关性研究初探

目的：探讨山西汉族类风湿关节炎（RA）与HLA—DPB1基因相关性。方法：用聚合酶链反应-序列特异性引物（PCR—SSP）方法检测36例RA患者和36例健康人的HLA—DPB1基因型。结果：RA患者HIA—DPB1＊2201等位基因的频率显著高于正常对照组。结论：HLA—DPB1＊2201可能是山西汉族类风湿关节炎的易感基因。     

中国人特殊HLA-Ⅱ基因单倍型的研究

目的：筛查中国人特有HLA－DPB1＊2101－DQA1＊0601－DRB1＊1202单倍型，以备进一步研究该单倍型特别连锁的成因和机理。方法：利用序列牧民性寡核苷酸探针（SSOP）杂交技术，对中国某地283名南方人进行了HLA－Ⅱ基因分型，以查找所需的HLA－Ⅱ单倍型并对其家系HLA－Ⅱ遗传关系进行了研究；结果：HLA－DPB1＊2101－DQA1＊0601－DRB1＊1202单倍型阳性率为4．8％（14／283），根据HLA－Ⅱ类基因单倍型家系分解图，可见该单倍型是由母亲传给儿子。结论：HLA－DPB1＊2101－DQA1＊0601－DRB1＊1202是一种少见的单倍型，并由母亲传给儿子。     

中国广东汉族群体HLAⅡ类基因多态性的研究

为探讨中国广东汉族群体HLAⅡ类基因多态性，采用PCR／SSO方法，随机选择102名广东籍汉族人进行了HLAⅡ类基因的DNA分型。测定了包括HLA－DRB1，DRB3，DNB5，DQA1，DQB1和DPBI等6个基因座位的等位基因。结果：共检出23种DRB1，3种DRB3，4种DRB5，8种DQA1，12种DQB1和12种DPB1基因。该人群的HLAⅡ类等位基因多态性的典型性表现在HLA－DRB*1202的不寻常优势和DRB1*02单倍型的结构的高度复杂性。还发现了很高频率的一个近年才被正式命名的DP新型：HLA－DPB1*2101，并且此型具有极不寻常的DRB1*1202－DPB1*2101的连锁不平衡。为分子流行病学研究提供了资料。     

HLA—DQ等位基因对国人Graes‘病易感性的影响

目的：探讨等位基因HLA－DQA1及DQB1在国人Graves‘病（gravs‘ disease,GD）发病中的作用。方法：选择汉族GD患者103例及正常人100例。采用PCR－SSP方法,检验HLA－DQA1＊051,DQB1＊0201及DQB1＊0303的出现频率。结果：HLA－DQA1＊0501及DQB1 0201GD组均低于对照组（分别P－0．002,RR＝0．38及P＝0．001,RR＝0．27）,DQB1＊0303GD组与对照组之间无差异（P＝0．189RR＝0．64）,研究提示DQA1＊0501,DQB1＊020为中国汉族人群GD的保护因素,以上3种基因在不同性别GD患者之间未见差异,结论：HLA－DQ与国人GD的发病有关。GD患者DQA1＊0501及DQB1＊0201出现频率减少。     

广东地区妇女子宫平滑肌瘤遗传易感性与HLA—DRB1、DQA1、DQB1相关性的研究

目的 分析子宫平滑肌瘤与HLA－DRB1、DQA1、DQB1等位基因的相关性,从而探讨子宫平滑肌瘤患者的遗传易感性。方法 用PCR－SSP及PCR－SSO技术对51例手术后病理证实为子宫平滑肌瘤患者和50例正常妇女进行HLA－DRB1、DQA1、DQB1等位基因的基因分型。结果 HLA－DRB1＊02,DQA1＊0601在子宫平滑肌瘤组明显高于对照组（P＜0．05,RR＝5．378,15．4）,而DRB1＊01、＊07,HLA－DQA1＊0102却表现为对照组增高（P＜0．05,RR＝0．225,0．375,0．329）。结论DRB1＊02、＊07,HLA－DQA1＊0601、＊0102基因与子宫平滑肌瘤的遗传易感性相关联。     

造血干细胞移植中HLA-DP不相合对移植物抗宿主病的影响

【目的】探讨HLA DP座位免疫基因与造血干细胞移植 (HSCT)中移植物抗宿主病 (GVHD)发生程度的相关性。【方法】采用PCR SSP HLA DPB1基因分型方法和Thomas分度标准对已知HLA A、B、DR全相同的 12例同胞 (SiblingDonor,SD)、4例无关供者 (Unrelat edDonor,UD)和 1例父亲 (FatherDonor ,FD)捐髓的HSCT进行回顾性的调查。【结果】 12例SD中GVHD 0～Ⅲ°,HLA DPB1不相吻合率约为 4% ( 1/2 4) ,其中DP相同者的受者发生GVHD最强达到Ⅱ°。DP不同者仅为Ⅰ°,4例UD中GVHDⅡ°～Ⅳ°,HLA DPB不吻合率约为 37%( 3/8) ,其中 1例仅有DP不相同和DP相同受者的GVHD均为Ⅱ° ;而DP不相同基础上 ,1例CW 亦不相同为Ⅲ° ,另 1例DR低分辨率相同但高分辨率不相同 ( 0 40 4∶0 40 5 )和DQ不相同则发生Ⅳ°。父亲捐髓的受者GVHD为Ⅰ°,HLA DP为半相合。【结论】 17例造血干细胞移植回顾性分析显示 ,在HLA A、B、DR全相同的条件下 ,SD HLA DP配合与否与GVHD之间无相关性 ,UD HLA DP配合与GVHD显著关联 ;HLA非全相同的亲缘捐髓和无关捐髓的供受者应做HLA DPB1基因配型以准确预测和预防GVHD。     

HLA抗体与血小板输注效果的关系

目的　探讨HLA抗体与血小板输注效果的关系。方法　采用标准微量淋巴细胞毒 (LCT)技术检测HLA抗体 ;计数血小板 ,计算血小板增值 (CCI) ,判断血小板输注效果 ;对 5例HLA抗体阳性无效输注者采用LCT技术进行交叉配型输注。结果　 5 0例长期反复输血患者HLA抗体阳性率 6 6 0 0 % (33 5 0 ) ,33例阳性者中输注无效者 2 8例占 82 35 % ,17例阴性者中无效输注者 4例占 2 3 5 3 % ,两者比较 χ2 =31 46 ,P <0 0 0 1,差异显著 ,HLA抗体与输注无效关系密切 ;血小板配型输注效果良好。结论　反复输血易发生同种免疫反应 ,产生HLA抗体 ,导致血小板输注无效 ;采用LCT技术交叉配型选择HLA相合或相容单一供者输注血小板 ,能显著提高血小板输注疗效。     

HLA等位基因DRB1*0301和DQB1*0602与自身免疫性甲状腺疾病的关系

①目的　探讨山东沿海地区自身免疫性甲状腺疾病 (AITDs)的发病与HLA DRB1 0 30 1、DQB1 0 6 0 2等位基因的相关性。②方法　应用多聚酶链反应 序列特异性引物 (PCR SSP)技术 ,对已确诊的Graves病(GD) 90例、桥本甲状腺炎 (HT) 4 3例和正常对照 90例 ,扩增其HLA等位基因DRB1 0 30 1、DQB1 0 6 0 2的目的DNA片段 ,分析两对等位基因在不同人群中表达频率的差异。③结果　山东沿海地区GD和HT病人DRB1 0 30 1等位基因频率均显著高于对照组 (χ2 =4 .6 2 4、5 .0 0 3,P <0 .0 5 ) ;而DQB1 0 6 0 2等位基因频率均显著低于对照组 (χ2 =1 1 .2 0 4、6 .970 ,P <0 .0 1 )。④结论　HLA DRB1 0 30 1可能是山东沿海地区GD和HT的易感基因 ,而DQB1 0 6 0 2可能是山东沿海地区GD和HT的保护基因     

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.     

The clinicopathological and immuohistochemical analysis of solid-pseudopapillary tumor of the pancreas： report of 9 cases

Objective：To investigate the clinical features, pathological characteristics and immunophenotype of solid-pseudopapillary tumor of the pancreas（SPTP）. Methods：Nine surgically treated cases of SPTP were retrospectively reviewed. Hematoxylin and Eosin（HE） staining and immunohistochemical staining were used to analyze all cases, and the general clinical data was collected. Results：Six patients were asymptomatic except for a palpable mass. Two patients complained of vague-epigastric pain. One patient appeared jaundice. The tumor was encapsulated and solid tissues alternately with cystic tissues. Histologically, the histological structure of solid portion was pseudopapillary with a fibrovascular core. Tumor cells were uniform and medium-sized which were arranged in sheets ets or nests or pseudopapillary patterns. Immunohistochemical studies demonstrated that SPTP proved positive in vimentin（9/9 cases）, AAT（9/9 cases）, NSE（9/9 cases）, ACT（7/9 cases）, CK20（2/9 cases）, CgA（1/9 cases）, S-100（3/gcases）, PR（4/gcases）, Syn（3/9 cases） and CD56（5/9cases）, negative in CEA and ER. Conclusion：SPTP is a tumor predominantly occurring in young women frequently without special symptoms. This tumor has various characteristical histological patterns with different immunophenotype.     

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.