广西毛南族群体15个短串联重复序列基因座的遗传多态性

目的为了解中国广西毛南族15个短串联重复序列(short tandem repeat,STR)(D2S1338、D3S1358、D5S818、D7S820、D8S1179、D13S317、D16S539、D18S51、D19S433、D21S11、CSF1PO、TPOX、TH01、vWA、FGA)的遗传多态性。方法采用PCR-STR及基因扫描识别技术,研究广西毛南族143名无关个体15个STR位点的基因频率的分布特点。结果15个STR位点共检出130个等位基因,390个基因型,其等位基因频率分布在0.0035~0.5385之间;平均杂合度为0.7697,个体识别力除TPOX位点外均大于0.8,累积个体识别力大于0.9999999999,累积非父排除率大于0.99999918。结论广西毛南族15个STR位点除TPOX位点外均具有高度遗传多态性,是群体遗传学研究和法医学鉴定的可选位点。     

中国撒拉族常染色体STR基因座遗传多态性研究

本文利用常染色体的15个STR基因座,对西北特有少数民族撒拉族进行基因扫描,获得15个STR位点的A基因频率、杂合度、个体识别能力、非父排除率、累计非父排除率、耦合率和多态信息含量等遗传信息,显示15个STR位点具有中度或高度多态性,结论：所选择的15个STR位点具有中等或较高的个体识别力和多态性信息量,可用于群体遗传学和法医学研究。     

仫佬族15个短串联重复序列的遗传分析

目的 了解广西仫佬族15个常染色体短串联重复序列(D2S1338、D3S1358、D5S818、D7S820、D8S1179、D13S317、D16S539、D18S51、D19S433、D21S11、CSF1PO、TPOX、TH01、vWA、FGA)的遗传多态性,探讨其与10个群体间的遗传关系.方法 采用聚合酶链反应.短串联重复序列(PER-short tandem repeat, PER-STR)及基因扫描识别技术,研究广西仫佬族183名无关个体15个常染色体STR位点的等位基因频率的分布特点,然后计算11个群体间的遗传距离,用Neighbor-Joining法构建了系统发生树,并结合有关资料分析了它们之间的遗传关系.结果 (1)15个STR位点共检出136个等位基因,422个基因型,等位基因频率分布在0.0027～0.5243之间;平均杂合度为0.7632,个体识别力除TPOX位点外均大于0.8,累积个体识别力大于0.999 999 999 9,累积非父排除率大于0.999 998 469 8.(2)广西仫佬族与广西其它几个少数民族之间的遗传距离近,与汉族各群体、维吾尔族群体的遗传距离远.结论 (1)广西仫佬族15个STR位点除TPOX位点外均具有高度遗传多态性,是群体遗传学研究和法医学鉴定的可选位点.(2)仫佬族与广西各少数民族之间的亲缘关系密切于与各地汉族之间的亲缘关系.     

15个短串联重复序列在拉萨市和那曲地区藏族人群的多态性分布

目的 调查15个短串联重复序列(STR)(D8S1179、D21S11、D7S820、CSF1PO、D3S1358、TH01、D13S317、D16S539、2S1338、D19S433、VWA、TPOX、D18S51、D5S818、FGA)在408名西藏拉萨市和那曲地区藏族人群中的基因型与等位基因频率分布. 方法 提取基因组DNA,利用多重PCR和五色荧光(6FAM、VIC、NED、PET、LIZ)自动化检测技术,获得基因分型图,然后进行统计分析,获得15个STR基因座在西藏拉萨市和那曲地区藏族群体中的基因型频率和等位基因频率,并作Hardy-Weinberg平衡检测及两地区基因频率的比较分析. 结果 在拉萨市藏族群体中,15个STR基因座分别检测到11～47种基因型,5～12种等位基因,那曲地区藏族群体中,分别检测到12～58种基因型,6～14种等位基因;15个STR基因座的等位基因频率分布均符合Hardy-Weinberg平衡,拉萨和那曲地区藏族人群等位基因频率分布差异性较小. 结论 该15个STR在西藏拉萨市和那曲地区藏族群体中具有较高的遗传多态性,适合作为藏族群体的遗传标志,用于人类学、遗传疾病连锁分析、法医学亲子鉴定和个体识别等研究领域.     

山东汉族群体15个常染色体短串联重复序列的遗传多态性分析

目的 获取15个短串联重复序列(short tandem repeat,STR)基因座在山东汉族群体的群体遗传学数据.方法 应用AmpFISTR IdentifilerTM Kit试剂盒对15个SIR进行分型.结果 15个基因座的观察杂合度为0.605～0.882,期望杂合度为0.625～0.862,多态信息量为0.57～0.85,个体识别力为0.795～0.958,非父排除率为0.297～0.758.TPOX的等位基因频率,山东汉族群体与河南、吉林、江苏汉族群体间的非差异P值大于0.05;D13S317的等位基因频率,山东汉族群体与鄂温克族群体的P值大于0.05.结论 15个STR基因座在该群体多态性,除TPOX和TH01,其余13个STR基因座在山东汉族群体的非父排除率和累计个人识别机率较高.     

广西毛南族与10个群体的遗传关系

目的:了解广西毛南族15个常染色体短串联重复序列(D2S1338、D3S1358、D5S818、D7S820、D8S1179、D13S317、D16S539、D18S51、D19S433、D21S11、CSF1PO、TPOX、TH01、vWA、FGA)的遗传多态性,探讨11个群体间的遗传关系。方法:采用PCR-STR及基因扫描识别技术,研究广西毛南族143名无关个体15个常染色体短串联重复序列(STR)位点的等位基因频率的分布特点,计算11个群体间的遗传距离,用Neighbor-Joining法构建了系统发生树,并结合有关资料分析了它们之间的遗传关系。结果:15个STR位点共检出129个等位基因,390个基因型,其基因频率分布在0.0035～0.5385之间;平均杂合度为0.7697,个体识别力除TPOX位点外均大于0.8,累积个体识别力大于0.9999999999,累积非父排除率大于0.99999918;广西毛南族与广西其他几个少数民族之间的遗传距离近,与汉族各群体、维吾尔族群体的遗传距离远。结论:广西毛南族15个STR位点除TPOX位点外均具有高度遗传多态性,是群体遗传学研究和法医学鉴定的可选位点;毛南族与广西少数民族之间的遗传距离近于其与国内其他群体的距离。     

湖北土家族群体15个短串联重复序列基因座遗传多态性

目的 调查湖北地区土家族人群15个短串联重复序列(short tandem repeat,STR)基因座遗传多态性分布和群体遗传学数据,比较分析湖北土家族与重庆土家族等位基因的分布频率.方法 采用毛细管电泳技术和五色荧光复合扩增的方法,对湖北土家族333名无关个体的15个STR基因座进行基因分型.结果 共检出151个等位基因,多于重庆土家族的等位基因检出数(141个),其频率分布在0.002～0.498之间.经Statistical genetics软件分析,各基因座的群体基因型分布符合Hardy-Weinberg平衡(P＞0.05).15个STR基因座的杂合度在0.652～0.867之间,个体识别力在0.802～0.971之间,累积个体识别力大于0.9 999 999;非父排除率在0.357～0.730之间,累积非父排除率为0.9 999 997;多态信息含量在0.57～0.87之间.结论 建立了湖北土家族人群的STR基因座的群体资料,为土家族人群的群体遗传学研究、法医个人识别、亲子鉴定提供了基础数据;湖北土家族与重庆土家族亲缘关系相近,等位基因频率差异无统计学意义(P＞0.05),但在等位基因检出数及部分基因分布频率上仍存在差异.     

厦门地区汉族人群15个STR基因座遗传多态性研究北大核心CSCD

目的调查福建厦门地区汉族群体15个短串联重复序列（short tandem repeat,STR）基因座多态性参数,同时评估AmpFLSTR Identifiler^TM体系应用于本地区汉族人群进行法医学个体识别及亲子鉴定的价值。方法应用AmpFLSTR Identifiler^TM体系荧光标记复合扩增系统,检测400名福建厦门地区汉族无关个体15个STR基因座的多态性,统计计算群体遗传学参数。结果15个STR基因座的基因型分布均符合Hardy-Weinberg平衡（P〉0．05）。15个STR遗传标记均具有高度多态性,杂合度0．580～0．868,匹配概率0．036～0．148,个体识别力0．798～0．967,多态性信息含量0．560～0．850,非父排除率0．268-0．730。结论15个STR基因座在福建厦门地区有较高的多态性。通过检测等位基因频率,为福建厦门地区人群法医学亲权鉴定和个人识别等位基因多样性提供了客观依据。     

三个不同海拔藏族群体HIF1A基因九个单核苷酸多态性位点研究

目的 研究不同海拔高度的低氧环境差异对基因缺氧诱导因子1α基因(hypoxia inducible factor 1 alpha,HIF1A)的选择作用.方法 选取世居于西藏、青海、云南的3个不同海拔高度的藏族群体,利用聚合酶链反应-限制性片段长度多态性技术检测HIF1A基因的9个单核苷酸多态性(single nucleotide polymorphisms,SNP)位点.结果 所有非同义突变SNP位点的基因型频率与等位基因型频率在3个藏族群体之间差异无统计学意义,而rs11549465位点的基因型频率在云南藏族分别与西藏藏族和青海藏族之间差异有统计学意义(P＜0.05).4个内含子SNP位点基因型频率与等位基因频率在西藏藏族与青海藏族之间差异均无统计学意义;但在西藏藏族和青海藏族分别与云南藏族比较时,基因型频率与等位基因频率差异均有统计学意义(P＜0.05),且跟海拔差异有相关性.结论 海拔高度不同引起的低氧环境差异有可能对 HIF1A 基因有选择作用.     

广西仫佬族3个短串联重复序列基因座的遗传多态性

目的：研究中国仫佬族短串联重复序列（STR）遗传多态性。方法：采用PCR-STR、基因扫描及基因分型技术,研究广西仫佬族无关个体3个STR位点（CSF1PO、TPOX、TH01）的基因频率分布情况。结果：3个STR位点共检出19种等位基因,其频率分布在0.0027-0.5297之间;平均杂合度为0.6378,多态信息总量为0.6152,累积个体识别力达0.9960,非父排除率达0.8127。结论：仫佬族具有高度遗传多态性的特点,实用价值较高,故以上数据可用于群体遗传学、法医学个体识别和亲子鉴定等研究。     

Level of functioning of siblings and parents of probands of varying degrees of retardation

A further analysis of already published data supports the position that retardates of low ability level less frequently have retarded siblings, retarded parents, and parents low in occupational level than do retardates higher in ability level. The analysis supports the position that there are two types of retarded individuals, persons retarded as a result of gene or chromosomal anomalies, brain injury, etc., who more frequently occur in the lower-level retardate group, and persons whose retardation represents polygenic segregation, who more frequently occur in the higher-level group.     

502例不孕症患者宫腔镜检查结果分析

目的探讨宫腔镜检查在女性不孕症患者中的应用。方法回顾性分析原发性不孕180例,继发不孕322例患者进行宫腔镜检查的结果,比较不同不孕症的差异。结果1.不孕症中输卵管阻塞为167例（33.27%）,另外子宫内膜炎（24.90%）、子宫内膜息肉（10.76%）、子宫腔粘连（5.18%）、宫颈管肿物（3.98%）和先天性子宫发育异常（3.19%）也是常见原因。2.原发性不孕症中子宫内膜息肉、宫颈管肿物比例明显高于继发性不孕组,子宫内膜炎和输卵管阻塞方面继发性不孕组高于原发性不孕组。3.普通不孕组在子宫腔粘连方面明显低于试管婴儿组,在鞍状子宫等子宫先天性发育异常方面明显高于试管婴儿组。4.进行试管婴儿失败患者中原发性不孕与继发性不孕在宫腔异常分别为43.94%和36.84%,两者在子宫内膜息肉、子宫粘膜下肌瘤、宫腔粘连、宫颈管肿物、子宫内膜炎、先天性子宫发育异常等方面无显著性差异。结论宫腔镜具有创伤小,恢复快,病人无需住院的优点,在女性不孕症临床中有重要作用。     

大学生幽默感现状的调查研究

目的考察大学生幽默感的基本情况。方法采用《大学生幽默感问卷》对278名大学生进行问卷测量。结果大学生的幽默感处在中上水平(幽默感较好的占45.5%,一般的占46.8%);大学生的幽默感不存在性别上的显著差异(F=0.045～4.177,P>0.05);在幽默欣赏维度和幽默感总分存在专业上的显著差异(F=0.233,P<0.05,0.032;P<0.05);在幽默娱乐维度存在年级上的显著差异(F=8.860,P<0.001)。结论大学生的幽默感处在中上水平,且不存在男女生间的显著差异,但在幽默欣赏维度和幽默感总分存在专业上的显著差异,在幽默娱乐维度存在年级上的显著差异。     

Involvement of interferon-alpha in the regulation of apoptosis of cells of the hypothalamo-hypophyseal-adrenocortical system of aged mice in oxidative stress

The aim of this study was to identify the involvement of interferon-alpha (IA) in controlling apoptosis of cells of the hypothalamo-hypophyseal-adrenocortical system (HHACS) in young and aged mice in conditions of hyperoxia. Oxidative stress led to increases in the numbers of cells synthesizing the proapoptotic protein c-fos in the paraventricular nucleus in mice of both age groups. However, the protective actions of IA in stress were more marked at the earlier stage of apoptosis in young mice. Thus, the level of involvement of IA in controlling programmed cell death of hypothalamic cells depends on the age of the animals. In the fascicular zone of the adrenals in young mice, the number of dying cells was significantly greater after administration of IA, but remained at the control level in conditions of hyperoxia alone and in combination with IA. The proportion of apoptotic cells in the adrenals of aged mice was no different from that in young mice and did not change in response to any of the treatments used.Translated from Morfologiya, Vol. 125, No. 1, pp. 23–26, January–February, 2004.     

Analysis of Protein Pool of Neuronal Populations of Cerebellar Cortex in Rodents of Different Species

The protein pool of neuronal population of the cerebellar cortex was studied by interference cytometry in rodents occupying different ecological niches and differing by life style, nutrition habits, and motor activity. In all cell populations protein concentrations in the cytoplasm were higher than in the nucleus in all studied rodents and did not depend on the functional characteristics of neurons. The extreme values of protein content were determined for populations of granular and ganglion cells. High protein concentrations per volume unit of cell structure were detected in functionally different cerebellar neurons of gray rats, characterized by high motor activity and a certain degree of synanthropy, while low values were detected in mole rats, slow-moving underground rodents. Therefore, the specific protein pool of neuronal populations of the cerebellar cortex of rodents can be regarded as adaptation to habitation conditions.     

Role of tactile receptor structures of the tongue in speech sound production of infants of the first year of life

The development of mechanosensory papillae of the tongue in the early postnatal ontogeny is studied by morphological and physiological methods: the tactile receptor structures first appear on the body and root of the tongue and then on its anterior surface. This heterochrony in the formation of tactile papillae of the tongue determines the involvement of its different zones in articulation. The appearance of velar, dorsal, and point consonants in the vocal repertoire of hearing and deaf infants is revealed. The same consequence of consonant appearance is demonstrated in infants of different nationalities. Translated fromByulleten' Eksperimental'noi Biologii i Meditsiny, Vol. 127, No. 2, pp. 129–133, February, 1999     

运动干预在抑郁症治疗中的应用(综述)

抑郁症是常见的危害人类身心健康的精神障碍之一,由于传统治疗有效率及依从性的限制,运动在抗抑郁症治疗中的应用逐渐引起关注。本文回顾了近五十年国内外相关研究结果,重点综述了近十年运动干预在疗效、干预方案及在不同人群中的应用现状,分析目前研究不足及未来的研究方向,以期为我国应用运动干预治疗抑郁症提供参考,为该领域相关研究的深入开展提供借鉴。     

Analysis of protein pool of neuronal populations of cerebellar cortex in rodents of different species

The protein pool of neuronal population of the cerebellar cortex was studied by interference cytometry in rodents occupying different ecological niches and differing by life style, nutrition habits, and motor activity. In all cell populations protein concentrations in the cytoplasm were higher than in the nucleus in all studied rodents and did not depend on the functional characteristics of neurons. The extreme values of protein content were determined for populations of granular and ganglion cells. High protein concentrations per volume unit of cell structure were detected in functionally different cerebellar neurons of gray rats, characterized by high motor activity and a certain degree of synanthropy, while low values were detected in mole rats, slow-moving underground rodents. Therefore, the specific protein pool of neuronal populations of the cerebellar cortex of rodents can be regarded as adaptation to habitation conditions. Translated fromByulleten' Eksperimental'noi Biologii i Meditsiny, Vol. 130, No. 12, pp. 671–674, December, 2000     

Clinical Significance of Levels of Molecular Biological Markers in Zones of Invasive Front-Line of Colorectal Cancer

The role of expression of markers (β-catenin, matrix metalloproteinase 9, collagen IV, and laminin) in rimary colorectal adenocarcinomas and their metastases in the liver and lymph nodes of patients with colorectal cancer was studied. High level of matrix metalloproteinase 9 expression in zones of invasive growth of colorectal cancer was associated with high accumulation of β-catenin in cancer cell nuclei in the peripheral zones of 30% studied tumors. The presence of nuclear β-catenin and high content of matrix metalloproteinase 9 in the tumor were associated with abnormal accumulation of laminin in the cytoplasm and with the absence of basal membranes containing collagen IV. These changes were characteristic of colorectal cancer with high invasive metastatic potential. It was found that β-catenin, matrix metalloproteinase 9, laminin, and collagen IV were important markers for prediction of the clinical course of colorectal cancer. The expression of proteins associated with risk of metastases in the liver was coordinated and most pronounced in zone of invasive front-line of tumors. Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 146, No. 11, pp. 552–555, November, 2008     

Comparison of characteristics of acquired bilateral nevus of Ota-like macules and nevus of Ota according to therapeutic outcome

Both acquired bilateral nevus of Ota-like macules (ABNOM) and nevus of Ota are characterized by the presence of dermal melanocytes. There are no differences in the method of treatment, however, postinflammatory hyperpigmentation (PIH) develops more often in ABNOM than in nevus of Ota following treatment. We investigated the differences in the development of PIH after treatment between ABNOM and nevus of Ota, and the histopathologic differences in the PIH. A total of 82 patients with ABNOM (n=47) and nevus of Ota (n=35) were treated with Q-switched alexandrite laser and followed up 2 weeks and 3 months later. Biopsies were performed on lesional skin before treatment. The distribution and the amount of melanin pigments were visualized with Fontana-Masson stain, and the distribution and the depth of melanocytes were measured by GP-100 (NK1-beteb) stain. Clinically, there was more erythema and PIH in ABNOM than in nevus of Ota. Histopathologically, intradermal melanocytes were clustered in groups and dispersed perivascularly in ABNOM, while melanocytes were scattered evenly throughout the dermis in nevus of Ota. Both groups show that when there is a statistically significant number of melanocytes in the perivascular area, erythema and PIH occur after laser therapy. In conclusion, indirect vessel injury in addition to perivascular clustering melanocytes might be considered the cause of increased PIH after treatment in ABNOM.