查询词典 T.B.

The studies on the capacities of immune responses of lymphocytes in peripheral blood and immune organs of Grass Carp (Ctenpharyngoden idellus Cuvier et Valencinnes) to PHA and SPA with incorporation of 〓H-TdR and active reaction of Acid α-Naphthyl Acetate Esterase indicated that there were T and B lymphocytes in peripheral blood of grass carp, but only T lymphocyte and no B lymphocyte in the thymus of grass carp. It was justified that the T lymphocytes in peripheral blood was originated from the thymus, and B lymphocyte could be from the spleen and anterior kidney of grass carp.

运用〓H-TdR掺入法和酸性醋酸萘酯酶活性检测法分别研究了草鱼外周血以及免疫器官中的淋巴细胞对PHA和SPA的免疫应答以及化学标志特征，发现草鱼外周血中存在着类似于哺乳动物的T、B两类不同的淋巴细胞亚群；同时也发现胸腺中只有T淋巴细胞，而无B淋巴细胞，提示了胸腺中淋巴细胞可能是外周血中T细胞的来源，而B淋巴细胞可能来自脾脏或前肾。

I can see in your eyes passion and a lot ideas about what do you want do to me...it's in first tim ewhen i can't b egeneral or menage.

我可以看到你的眼睛里的热情和很多想法，你有什麼想这样做，我……它的在第一添ewhen我不能b egeneral或menage 。。

RESULTS: Both resting B cells and T cells did not express PD-L1 on their surface, however PD-L1 expression was significantly up-regulated on the surface of the activated B cells after 6 h stimulation with LPS or pokeweed mitogen, and the percentages of B cells that expressed PD-L1 reached a plateau at 24 h, which were (46.26±10.71)% with LPS and (43.67±6.14)% with PWM stimulation, respectively. No markedly change of PD-L1 expression on the surface of the activated T cells after stimulation with LPS was observed, but upregulation of PD-L1 expression was observed when stimulation with PWM.

结果： 静息B细胞和T细胞表面不表达PD-L1，LPS和PWM刺激6 h后表达PD-L1的B细胞百分率均显著高于静息B细胞，24 h达到最高，分别为(46.26±10.71)%和(43.67±6.14)%，之后随时间延长而降低；表达PD-L1的T细胞百分率在LPS刺激下无显著变化，但PWM刺激6 h后百分率明显高于静息条件，24 h达到最高，为(25.42±9.23)%，之后下降。

Application of linear multistep methods to the delay differential equation of the form y′(t =ay +by , t≥0, y =g ,-τ≤t≤0, with a, b∈〓 and b≠a yields the recurrence relation of the form〓, where U〓∈〓 and B∈〓.

将线性多步方法应用到延迟微分方程y′=ay+by，t≥0，y=g，-τ≤t≤0，其中a，b∈〓且b≠a上，产生迭代关系式〓，其中U〓∈〓并且B∈〓。

The immune level tested in different time after injection with ginkgolic acids in sensitization mode showed that the expression of CD3〓 and CD4〓T lymphocytes increased, but CD8〓 was restrained, while the B lymphocytes was also increased. The results suggested that sensitivity was approved and T lymphocytes proliferation was induced, which strength cell immunity responsion, at the same time B lymphocytes was differentiated to IgE antibody-producing cells when contacted with ginkgolic acids as allergen.

大鼠经致敏方式接触银杏酸后，在不同时间的细胞免疫水平与体液免疫水平的研究结果表明，大鼠CD3〓及CD4〓T淋巴细胞的表达增加，而CD8〓T淋巴细胞的表达受到明显抑制，同时参与体液免疫的B淋巴细胞百分率呈增高趋势，提示银杏酸可能作为变应原使机体敏感性增强，诱导T细胞分裂增殖，增强细胞免疫应答，同时促进B细胞增殖分化成IgE抗体产生细胞。

Objective:in order to compare the curative effects of using lamirudine and thymosin together with using thymosin only to the paients of chronic hepatitis b.methods:we had chosen 27 medical cases of chronic hepatitis b,which were divided into two groups:15 cases asone group,and 12 cases as the other group.let group a take 100 mglamirudine orally,qd,with half a year as a period of treatment.at the same time givethe patients injections of 100 mg thymosin,qd,for a month.to group b was only takenlamirudine.alt,tbil,the indicators of the virosis of hepatitis b (hbsag,hbeag,hbv-dna)were observed as quatos.results: at the end of the treatment, the rates that groupa and group b made hbsag transform into negative were respectively 26.67% and 16.67%(p＞0.05);hbeag:33.33%,8.33%;hbv-dna:53.33%,33.33%(p＞0.05).conclusion:combining thymic peptide with 3tc to treat chronic type b hepatitis, thymic peptide will not only promote b-cell to mature and transformation, but also to keep the subpopulation of t-cell in immune system in balance, which can enhance the reaction of matured t-cell to the antigen or other stimulus.

目的：比较拉米夫定（3tc）与胸腺肽联用和单用拉米夫定治疗慢性乙型肝炎的疗效。方法：选择慢性乙型肝炎患者27例，分为联合组15例和拉米夫定组12例；联合组用拉米夫定100 mg，口服，qd，疗程半年，合并用胸腺肽100 mg，静滴，qd，疗程1个月。拉米夫定组单用拉米夫定。以谷丙转氨酶、血清胆红素、乙肝病毒标志物(hbsag，hbeag，hbv-dna)为观察指标，比较不同治疗方案对指标的影响。结果：治疗结束时联合组与拉米夫定组对慢性乙肝患者血清hbsag阴转率分别是26.67％和16.67％(p＞0.05)；hbeag阴转率分别是33.33％和8.33％(p＞0.05)；hbv-dna阴转率分别是53.33％和33.33％(p＞0.05)。结论：胸腺肽联合3tc治疗慢乙肝，胸腺肽具有促进t淋巴细胞的成熟和转化，并维持免疫系统各t淋巴细胞亚群间的平衡作用，能增强成熟t淋巴细胞对抗原或其他刺激的反应。

In T cells,TGF-beta1 can inhibit their proliferation,inhibit the differentiation of Th1 and Th2,inhibit the differentiation of CTL,induce the generation of regulatory T cellsTregin B cells,TGF-beta1 can inhibit their proliferation,induce IgA class switch,it also can induce the apoptosis of immature and resting B cells;in NK cells,TGF-beta1 can inhibit the secretion of IFN-γand the cytolytic function of NK cells.

对T细胞，TGF-beta1可以抑制其增殖，抑制Th1和Th2细胞的分化，抑制CTL的分化，诱导调节性T细胞的产生；对B细胞，TGF-beta1可以抑制B细胞的增殖，诱导IgA的类别转换，还可以诱导不成熟和静息B细胞的凋亡。

Restrictive changes of TCR Vp repertoire and clonal expanded T cells could be found in peripheral blood T cells from patients with T-ALL. However, the clonal expanded T cells' property (clonal expansion leukemic cells or leukemia antigen-specific expansion T cells) should be further characterized. It may play a certain role on detection of minimal residual disease and design of anti-leukemia idiotypic vaccine. The dominant utilization of TCR VjJ repertoire could be found in peripheral blood T cells from patients with B-ALL, meanwhile clonal expansive T cells were existed. It may be a feature of the host immune response for leukemia-associated antigen. The clonal expansive tendency of T cells in V021 and VP23 subfamilies was rather obvious, which may be correlated with certain malignant B-cell clone. The CDR3 sequences of monoclonal expansive T cell in T cell strains were different, which was the base of developing DNA vaccine.

T-ALL患者外周血T细胞的TCR Vβ谱系出现限制性改变，均可检测到克隆性增殖T细胞，尚需进一步鉴定其性质(肿瘤性或抗原特异性增殖)，对于研究微小残留病变检测和设计抗白血病独特型疫苗均有一定的意义。B-ALL病人外周血T细胞的TCR Vβ谱系呈现优势利用的特点，并存在克隆性增殖的T细胞，这可能是机体对白血病相关抗原产生的特异性免疫反应；Vβ21和Vβ23亚家族T细胞发生克隆增殖改变的趋向性比较明显，可能与B-ALL相关抗原刺激有关。T细胞株中检测到的肿瘤克隆其CDR3序列具有高度的特异性，是构建DNA疫苗的基础。

Results The activation of NF-κB, proliferation response, and expression of IL-4 and I L-5 mRNA and protein in T lymphocytes stimulated by PMA were significantly hig her than those of their blank control (P.01), while those indexes of T l ymphocytes stimulated by PMA and PDTC simultaneously were significantly lower th an those stimulated by PMA alone (P.01). The apoptotic index of T lympho cytes stimulated with PMA were significantly lower than that of their blank cont rol (P.01), and the apoptotic index of asthmatic guinea pig T lymphocytes stimulated with PMA and PDTC simultaneously were significantly higher than that stimulated by PMA alone (P.01). The significant positive correlations w ere found between the activation of NF-κB and the proliferation (r=0.64, P.001), and the expression of IL-4 and IL-5 mRNA and protein of T lymph ocytes, respectively (r=0.55-0.68, P.001). There was also signific ant negative correlation between the activation of NF-κB and apoptosis of T l ymphocytes (r=0.62, P.001). Conclusions NF-κB may participate in the signal conduction of PKC regulated proliferation, apoptosis and expression of IL-4 and IL-5 of T lymphocytes in asthma.

结果加入PMA培养的哮喘组T淋巴细胞NF-κB的活化、细胞增殖反应、IL-4和IL-5的mRNA和蛋白质的表达均显著高于其空白对照(P.01)，而同时加入PMA和PDTC培养的哮喘组T 淋巴细胞以上指标均显著低于只加入PMA培养的哮喘组T淋巴细胞(P.01)；加入PMA 培养的哮喘组T淋巴细胞的凋亡指数显著低于其空白对照(P.01)，而同时加入PMA 和PDTC培养的哮喘组T淋巴细胞凋亡指数显著高于只加入PMA培养的哮喘组T淋巴细胞(P 。01)。T淋巴细胞NF-κB的活化与增殖反应呈显著正相关(r=0.64，P.00 1)，与IL-4和IL-5的mRNA和蛋白质的表达也均呈显著正相关(r=0.55-0.68，P 。001)，而与凋亡指数呈显著负相关(r=-0.62，P.001)。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。