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ethnic populations
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  ethnic populations
This paper used data obtained from Santa Clara County, California, to study the costs and use of public mental health services among ethnic populations (Asians, Blacks, Hispanics, and Whites).
      
Accurate estimates of health risk factors and outcomes are difficult to obtain for certain ethnic populations.
      
It is suggested that attending to ethnocultural issues will assist health providers and researchers toward developing and implementing strategies to improve cancer outcomes among ethnic populations.
      
The findings arediscussed in terms of emotion socialization and implications for predictionand intervention in psychosocial models of emotions, emotion regulation,and health in older ethnic populations.
      
The papers in this volume focus on smaller and relatively little-known ethnic populations which are currently under-represented in the literature on minority aging.
      
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Nasopharyngeal carcinoma (NPC),an epithelial cancer of high incidence in South China and some African areas,is of great interest for its close association with EB virus and for the genetic predisposition to it in some ethnic populations.Recently an epithelial cell line (CNE-2) has been established from a poorly differentiated nasopharyngeal carcinoma which represents the first of the kindCytogenetic analysis of the CNE-2 line was carried out bv chromosome banding technique.It was found that the chromosome...

Nasopharyngeal carcinoma (NPC),an epithelial cancer of high incidence in South China and some African areas,is of great interest for its close association with EB virus and for the genetic predisposition to it in some ethnic populations.Recently an epithelial cell line (CNE-2) has been established from a poorly differentiated nasopharyngeal carcinoma which represents the first of the kindCytogenetic analysis of the CNE-2 line was carried out bv chromosome banding technique.It was found that the chromosome number of the CNE-2 cells varied from 87 to 107 and the modal number was 104-103.All cells contained a series of structurally abnormal chromosomes and most of them were either consistent or frequently found.Among these chromosomes there were two giant markers which,by banding pattern analysis,proved to be different from the so-called giant A marker previously found in many lymphoblas-toid cell lines of NPC.Comparison between CNE-2 and CNE,another epithelial cell line which was established from well differentiated NPC,indicated that while they were quite different in many cytogenetic respects they had three chromosome markers in common,namely,an iso 8q,a t (?; 3q) and a small acrocentric one.With finding of these and the giant markers mentioned above the problem whether there exists a chromosome marker specific for NPC was discussed.

采用染色体显带方法对我国首次建成的低分化鼻咽癌上皮细胞株进行了细胞遗传学研究。细胞株的染色体数变异在87—107之间,众数为104—103。所有细胞均有为数众多的结构异常的染色体,且其中恒定的或反复出现的占绝大多数。在这些异常染色体中,有两个巨大的亚中着丝点染色体,其结构与以往见于类淋巴细胞株者不同;另三个标记染色体iso8q,t(?;3q)及一个较小的近端着丝点染色体与先前见于高分化鼻咽癌上皮细胞株者相同。结合研究结果,讨论了鼻咽癌的特异性标记染色体问题。

The distribution of polymorphisms at four polymorphic sites of the apolipoprotein B(apo B)gene was studied using polymerase chain reaction in 100 unrelated healthy individuals in Beijing area,The results revealed that in this population studied, Ins allele of Ins/Del polymorphism of the signal peptide was a common one with a relative frequency of 0. 765, while Del allele, as a rare one, had the relative frequency of 0. 235. X allele and E-allele of XbaI and EcorI restriction sites were the major ones having...

The distribution of polymorphisms at four polymorphic sites of the apolipoprotein B(apo B)gene was studied using polymerase chain reaction in 100 unrelated healthy individuals in Beijing area,The results revealed that in this population studied, Ins allele of Ins/Del polymorphism of the signal peptide was a common one with a relative frequency of 0. 765, while Del allele, as a rare one, had the relative frequency of 0. 235. X allele and E-allele of XbaI and EcorI restriction sites were the major ones having relative frequencies of 0. 975 and 0. 96 respectively, whereas rare X+ and E- allele only possessed relative frequencies of 0. 025 and 0. 04 respectively. Ten segregating alleles of variable number of tandem repeats were observed, of them 3'β37 allele was the most common one occupying 48 percent, followed by 3'β39 allele in 20 percent. The results show that there are apparent differences in the distribution of allele frequencies of the apo B gene between Chinese Han nationality and other ethnic populations, especially western populations, Therefore it is suggested that different ethnic populations have their own characteristics in heredity.

应用聚合酶链反应研究了100例北京地区正常汉族人载脂蛋白B基因4个位点的多态性分布情况。在这一群体中,载脂蛋白B信号肽序列以Ins等位基因占优势,其频率达0.765,而Del等位基因相对少见(0.235).XbaI和EcoRI酶切位点以X-和E+等位基因占绝大多数,其频率分别为0.975和0.96,X+和E-等位基因十分少见,其频率仅为0.025和0.04.对可变数目串联重复序列共检出10种等位基因(3'β29~3'β49),其中以3'β37等位基因最为常见,其次为3'β39等位基因,两者检出率达68%。结果表明,北京地区汉族人的载脂蛋白B基因多态性分布与不同种族间存在明显差异,与白种人的差异尤为显著。揭示人类不同种族有其自己的遗传特点。

In this study,the polymorphism of TAP(Transporter associated with antigen processing)in a Shanghai population consisting of 88 randomly selected nonconsanquineous healthy individuals was investigated.Three TAP1 and four TAP2 alleles were observed including the rare allele TAP2H,which,so far as we know,has not been reported.The distribution of TAP in this population was compared with those from other ethnic populations.

报告一组无血缘关系的上海地区正常人中抗原处理相关转运蛋白(TAP)的分布。在88名正常人中共观察到3种TAP1和4种TAP2等位基因,其中包括罕见的TAP2H等位基因。并将上海人群中TAP的分布与日本人和白种人中TAP的分布作了比较。

 
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