Significance of expression of extracellular matrix metalloproteinase inducer and endothelin converting enzymes in lymphoid metastasis and prognosis in non-small-cell lung carcinoma

AIM: To investigate the expression of extracellular matrix metalloproteinase inducer (EMMPRIN) and endothelin converting enzymes (ECE) in non-small-cell lung carcinoma (NSCLC), and their relationship with lymphoid metastasis and prognosis.METHODS: Expression of EMMPRIN and ECE in 77 cases of patients with NSCLC was detected immunohistochemically.The relationship of the expression of EMMPRIN and ECE with tumor size, histological type, differentiation, lymphoid metastasis, clinical stage, and prognosis were analyzed.RESULTS: The expressive rate of EMMPRIN and ECE was 66% and 45%, respectively.The expression of EMMPRIN and ECE was associated positively with lymphoid metastasis (both P<0.01, r=0.371 and 0.467, respectively), and inversely with survival time (P<0.01 and P<0.01).No relationship was found in the expression of EMMPRIN and ECE with tumor size, histological type, and differentiation (P>0.05).The expression of EMMPRIN was associated with the expression of HGF in NSCLC (P<0.05, r=0.243).CONCLUSION: The expression of EMMPRIN and ECE is associated with lymphoid metastasis and prognosis in NSCLC.Overexpression of EMMPRIN and ECE implies infavourable prognosis in NSCLC.     

鸡的铜绿假单胞菌病的研究

１９９８年６－１１月天津武清,蓟县,河北玉田等地出现一种以眼睑肿胀,流泪,瞎眼及喙端,眼,践爪结痂为特征的鸡传染病。病鸡主要为３０－６０日龄。经鼻感染３０日龄鸡复制出了与自然病例相同的临床表现,并分离到接种菌。对分离菌的系统鉴定表明所分离的４株菌均为铜绿假单胞菌。     

免耕稻油轮作模式探讨

稻油轮作是保障我国粮油安全的重要耕作制度.从农业节肥减药、生态高效、机械化轻简栽培等视角出发,提出了适合湖南地区的免耕稻油轮作模式,阐述了关键技术,分析其可行性,并对其可持续发展进行展望.     

Effect of glycine on body weight and lipid metabolism in mice

AIM: To study the effect of glycine on body weight and lipid metabolism in mice. METHODS: Mice were randomly divided into four groups, control, high-fat diet group (HF), glycine group (Gly), and glycine treatment group (Gly+HF). The mice were fed with normal diet and high-fat diet for 12 days, respectively, and then were treated with glycine solution by intraperitoneal injection. Finally, the serum was collected to measure serum lipid, epididymal fat-pads, pararenal fat-pads and abdominal fat-pads were taken out to weight. Moreover, pathologic changes in liver were observed. RESULTS: The body weight of HF group was obviously lower than that in control; the body weight and adipose tissue content of Gly group were obviously lower than those in control; the body weight and adipose tissue content of Gly+HF group were obviously lower than those in HF group; the levels of TC and TG in Gly group were obviously lower than those in control; there was no statistical difference in serum lipid between Gly+HF and HF groups. In addition, marked hepatic steatosis in HF group, and slight hepatic steatosis in Gly+HF group were found. CONCLUSION: Gly can decrease the body weight and adipose tissue content and serum lipid in normal diet and high-fat diet mice, and it also can prevent hepatic steatosis.     

Correlation of Plant Morphological and Grain Quality Traits with Mineral Element Contents in Yunnan Rice

Correlations between four grain quality, 24 plant morphological traits and eight element contents of 653 accessions from Yunnan rice were analyzed. P, K, Ca and Mg contents of core collection were closely correlated to the most plant morphological and grain quality traits, and there were highly significant correlations （P 〈0.01） among some traits including P content to number of stems and tillers, K content and amylose content, Ca content and plant height, Mg content and protein content. Mn, Zn, Cu and Fe contents of core collection were closely related to a few traits, such as Fe content and gel consistency （-0.1121^＊＊）, Zn content and seed setting rate （-0.1411^＊＊）, Cu content and number of grains per panicle （-0.1398^＊＊）, Mn content and plant height （-0.2492^＊＊）.     

马铃薯杂交无性一代植物学性状与产量相关性的研究

马铃薯个体产量由其遗传性所约,并受生长发育过程中所经受的外界环境的影响^[1]。本研究以大西洋X白引4号、威芋3号X白引3号两个杂交组合无性一代混选的单薯系作研究对象,从地上部主要性状与产量、地下结薯状况与产量、地上主茎数与地下块茎的关系等方面的测定数据进行统计分析。结果：马铃薯的产量与单株的主茎数、结薯数、薯块大度、分枝数、茎叶重和茎粗等均呈正相关,而与株高的相关性不显著或不稳定。因此,能获得丰收的马铃薯个体的地上部应具备的性状是：植株有较多的主茎（3-5）或适当的分枝;生长健壮、茎粗叶茂、株高适宜的地上形态结构,这样就可达到地下部结薯多、大中薯比例高,产量也高。     

浅谈疲劳与保健

近年来,越来越多的人因为对更高的物质生活追求而承受着巨大的工作压力,从而忽视了健康。大多数人都处于亚健康的状态。从日常生活出发,分析了健康对人类的重要性,以期有助于处于亚健康的人群。     

Effect of Energy Intake during Dry Period on Production Performance of Postparturient Cows

24 healthy periparturient cows were randomly allocated into three groups and fed 100% energy diet(NRO standard diets), 120% energy diet and 80% energy diet, respectively, beginning at 28 days prior to anticipated parturition. After parturition, all the cows were provided with the lactation ration ad libitum until the day 56 postpartum.The objectives of the study were to investigate the effect of energy intake during the dry period on the production performance in the postpartum cows. The results indicated that the cows fed with high energy diet during the dry period had a lower dry material intake (DMI) and reduced milk production and a significant body weight (BW) loss compared with the cows fed with 80% energy diet and 100% energy diet. The results suggested that energy intake during the dryperiod was an important factor that influences and regulates DMI, milk production and energy equilibration of postparturient cows.