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成熟作用

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Similarly,some cultural measures were also employed to the treatment of Taihu Lake in China.Though they had played a role in the treatment of Taihu Lake,they had some deficiencies compared with those employed in the treatment of Lake Biwa.Through a comparison between the cultural measures for Lake Biwa and those for Taihu Lake,corresponding countermeasures and suggestions are put forward.

虽然太湖管理部门所采取的文化措施在太湖治理和保护方面起到一定推动和促进作用,但与日本的琵琶湖治理相比,所实施的文化措施还相对不成熟,文化措施体系不够完善,这使得其在太湖治理中的应有作用并未得到充分发挥和体现。

Disc cell mainly consist of chondrocytes, PTHrP-Ihh negative feedback mechanism can modulate differentiation and maturation of chondrcytes during endocartilage ossification in epiphysis of long shaft bone, but its effect on vertebral development is still unknown.

椎间盘细胞主要由软骨细胞样细胞组成,PTHrP和Ihh形成的负反馈机制在长管骨软骨内骨化过程中对软骨细胞分化和成熟具有调节作用,在椎体和椎间盘的发育过程中的作用仍未阐明。

When EGTA (Ca〓 chelator), Verapmil and LaCl〓(Ca〓 channel blockers) were used to treat tomato fruit at green mature and strawberry fruit at white stage with ethylene, they could reverse ethylene-induced increase in ethylene production in tomato and strawberry, PG activity, lycopene content, soluble protein content in cell wall in tomato and degradation in soluble protein in strawberry, which indicated blocking Ca〓 channel in plasma membrane or chelating Ca〓 can decrease intracellular Ca〓, further inhibite ethylene-induced maturation, ripening and senescence of fruit.

用质膜钙通道阻断剂异博定、钙通道Ca〓竞争性抑制剂以及Ca〓专一性螯合剂与乙烯一起处理绿熟期番茄果实和乳白期草莓果实,均可抑制乙烯诱导番茄和草莓的乙烯生成、番茄PG活性的提高、番茄红素含量的增加和细胞壁可溶性蛋白含量的增加以及草莓可溶性蛋白的分解,表明阻断质膜Ca〓通道或螯合胞外Ca〓以减少胞内Ca〓能抑制乙烯对果实的催熟作用,间接证明乙烯对果实成熟衰老的诱导与胞外Ca〓内流引起的胞质Ca〓浓度的增加密切相关,表明乙烯信号转导可能与钙信使有关,调节胞质Ca〓浓度可调节乙烯对果实的催熟作用。

The experimental research on Calamus mainly centers on chemical components and pharmacological functions,while it is not mature on functional mechanism,which is worth of further systemic research for better guiding the clinic.

对石菖蒲的实验研究多集中于化学成分,药理作用等方面,而其作用机理的研究尚不够成熟,值得更加深入和系统的研究,以更好的指导临床。

Insulin plays an important role in induction of 3T3-L1 ceils, and it has great effect on VLDLR gene expression.

研究结果表明,胰岛素的浓度及慢性刺激对3T3-L1脂肪细胞的成熟和VLDLR基因的表达有显著作用,而胰岛素抵抗明显减低成熟脂肪细胞VLDLR的表达。

Follicle is FSH and luteinizing hormone under the development and maturation.

卵泡是在促卵泡成熟激素和黄体生成素(LH的作用下发育成熟的。

The summary results are below:1. GUS expression under the driving of the BjCHI1 promoter (-1060/+17) was essentially undetectable in the young seedlings under normal growth conditions. GUS activity was first detected in the stigma of young flowers, peaked in the young siliques, and decreased when the siliques became older. No GUS expression was found in the mature siliques, seeds or root.2. The BjCHI1 promoter (-1060/+17) was inducible by NaCl, PEG, wounding and MeJA treatments. High levels of GUS expression were detected in the transgenic tobacco and Arabidopsis plants after wounding, NaCl, PEG, and MeJA treatment, indicating that the BjCHI1 promoter responses to both biotic and abiotic stresses.3. RT-PCR analysis confirmed that the expression of the BjCHI1 gene in B. juncea was inducible by PEG and NaCl.4. The transcription start site was determined by 5′-RACE, and was located at the 17th nucleotide upstream of the translation initiation codon of the BjCHI1 gene.5. A -805/+17 promoter fragment was enough to response to wounding and MeJA induction, which was proved in transgenic tobacco and Arabidopsis plants. The 397 bp region between -805 and -409 of the BjCHI1 promoter contains a cis-acting element that is essential for the wounding and MeJA inducibility.6. The -695/-620 region was necessary but not sufficient to confer MeJA-responsive expression. A T/G-box locates in -353 play an important role in the expression of the BjCHI1 gene in response to MeJA treatment. The 76 bp region is coupled with the T/G-box to confer full MeJA-inducible transcription of the BjCHI1 gene.

主要结果如下:1、利用转基因拟南芥植株分析表明,正常生长条件下,BjCHI1启动子(-1060/+17)驱动GUS基因主要在花柱中表达,幼嫩的荚也有表达,并随着果荚的成熟而减弱,成熟的果荚、种子和根没有显示GUS活性。2、BjCHI1启动子(-1060/+17)能驱动GUS基因在转基因烟草和拟南芥中响应伤害的诱导,转基因拟南芥的分析还证明BjCHI1启动子也受MeJA、NaCl和PEG的诱导,证明BjCHI1启动子是一个伤害、MeJA、NaCl和PEG等生物和非生物因素诱导启动子。3、RT-PCR进一步证明芥菜中BjCHI1基因也受NaCl和PEG的诱导表达。4、5′-RACE法鉴定了BjCHI1启动子的转录起始位点,位于翻译起始位点ATG上游第17个碱基A.5、转基因烟草和拟南芥分析证明,-805/+17的启动子片段足以响应伤害和MeJA的诱导,-805和-409之间397 bp的启动子片段含有对伤害和MeJA诱导必要的元件。6、本明烟叶片瞬时表达系统分析证明,一段76 bp的序列(-695/-620)对BjCHI1启动子响应MeJA的诱导是必要的,但不足以响应MeJA的诱导,位于-353的T/G-box也参与MeJA的诱导。76 bp的序列(-695/-620)与T/G-box协同起作用,赋予BjCHI1启动子MeJA诱导性。

Histologically, the seminiferous tubules contained numerous Sertoli cells and more Sertoli-spermatozoa complexes, accompanied by the depletion of Leydig cells with deeply stained nuclei. Mature spermatozoa were stored up in the epididymis, but only a few in the efferent ducts. In the second place was testicular atrophy(32/120; 26.7%). The seminiferous tubules showed moderate to severe inactivity of spermiogenesis with evidence of only spermatogonia, spermatocytes and Sertoli cells. The Leydig cells were obviously decreased in numbers associated with decrease of lipid droplets in their cytoplasms. Testicular hypoplasia was the third disorders(22/120; 18.3%). Only a few spermatogonia and Sertoli cells appeared without any spermiogenesis. The associated changes was decreased in Leydig cells and fibrous hyperplasia in the interstitium.Epididymal stones were sometimes found(12/120; 10%). Grossly, yellowish-white nodules with various sizes and firm in consistency were observed in the epididymis and the front efferent ducts. Microscopically, the epididymal ducts were dilated with voluminous spermatozoa storage, even showed calcification in severe cases. The deposited calcium salts were stained positively by Von Kossa and Alizarin red methods.Amyloidosis was also detected in 10 roosters(8.3%). Eosinophilic, homogeneous, amyloid-like substances were deposited mainly in the testicular interstitium and the periphery of blood vessels. These substances showed positive reaction by Congo red staining. Five roosters(4.2%)had Marek's lesions in the testis, epididymis and peripheral nerves with infiltration of pleomorphic lymphocytes. Only one case showed epithelial necrosis of seminiferous tubules accompanied by fibrous proliferation in the interstitium.

结果发现,在总共搜集的120个病例中,其中因年老所导致的产精力不佳为最多,占38例(31.7%),於镜下可见大量精虫黏附於Sertoli cell的表面,并可见Sertoli cell数量明显增多而Leydig cell明显减少,且其细胞核呈现浓染的现象,而在其副睪中仍可见到成熟精虫蓄留於管腔中,但在其输精管内却只有少量精虫存在;其次为睪丸萎缩,占32例(26.7%),镜下可见中度至重度无造精作用,其生精小管中只见到精母细胞、精原细胞及Sertoli cell存在,但Leydig cell数量明显减少且其细胞质内的脂质也明显减少;睪丸发育不全,占22例(18.3%),於生精小管内只见到精母细胞及少量Sertoli cell存在,不见造精细胞分化,於生精小管间质可见Leydig cell减少并伴随结缔组织增生;副睪结石,占12例(10%),肉眼下可在副睪及输精管前段见到黄白色大小不一的结节,触感坚硬,於镜下可见副睪管扩张并有大量成熟精虫蓄积,严重时可见钙化现象,以Von Kossa及茜素红染色均呈阳性反应;类淀粉沉著症,占10例(8.3%),镜下在睪丸间质及血管周围可见粉红均质样的物质沉积,以刚果红染色成阳性反应;马立克病,占5例(4.2%),镜下可在睪丸、副睪实质及周边神经内均可见到嗜碱性大小不一的淋巴样细胞浸润;睪丸坏死,占1例(0.8%),镜下可见生精小管上皮细胞坏死脱落及间质结缔组织增生。

Ottawa, Canada, Cayman non-university sports and Nutrition Research Office clyde research report pointed out that, honey and other fructose comparison, the results showed that honey than to maintain the proportion of blood glucose in vivo stability, and also anti-bacterial and anti-oxidation effects., Because of one or the age of the baby's immune system is not mature enough, in particular sausage containing honey poisoning,, on the immune system are not yet ripe for the baby may have a fatal danger.

加拿大渥太华曼非大学体育与营养研究室主任克莱德的研究报告指出,蜂蜜和其他的果糖比较,结果发现蜂蜜较能维持体内血糖比例稳定,亦有抗菌及抗氧化等作用。,由于一岁以下婴儿的免疫系统仍未成熟,特别是蜜糖中含腊肠类中毒,,对免疫系统仍未成熟的婴儿可能有致命危险。

However, when two maturing oocytes fused and two spindle will form in the big cell, the chromosomes will not intermingle. In the present study, we removed GV from one oocyte and transfer to the perivetelline space of another GV oocyte. After fusion the resulting oocytes which contained two GVs were cultured further in MEM.

在本实验中,我们利用小鼠GV期卵母细胞将一枚卵母细胞的生发泡取出后移至另一未经去核处理的GV期卵母细胞透明带下,经三次电脉冲作用后将融合的含有两个GV的卵母细胞放入MEM成熟培养液中培养,在培养成熟的不同阶段分别收集卵母细胞进行免疫荧光染色观察微管及核的变化。

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He is the most remarkable man that I have ever known.

他是我知道的人中最值得注意的人。

Increased appearance of lymphocele was noticed in patients with diabetic nephropathy, congenital malformations of the urinary tract, and inflammatory diseases, including glomerulopathy and extraglomerular ones, after high-voltage radiotherapy and after removal of the renal graft.

经过高压放射疗法和切除移植肾后,在糖尿病肾病患者、泌尿系统先天性畸形患者和炎症患者身上发现淋巴囊肿有所增加,包括肾小球病和球外疾病等。

Pagans and partygoers greeted the summer solstice at the ancient stone circle of Stonehenge.

异教徒和社交聚会常客在史前巨石柱的古老的石圈附近庆祝夏至。