云南汉族NR3C1基因多态性与暴力攻击行为相关性

目的为了探讨云南汉族人群糖皮质激素受体基因(NR3C1)多态性与攻击行为的相关性。方法应用改良多重高温连接酶反应(improve multiplex ligasedetection reaction,iMLDR)技术检测194例云南汉族有攻击行为的监狱服刑人员和301例健康对照样本的NR3C1基因SNPs(rs6190、rs6191、rs6198、rs41423247、rs56149945)基因型,采用SPSS19.0软件、PHASE2.1平台进行统计学分析。结果 rs6191和rs41423247单个基因座的等位基因分布在非攻击组与攻击组、抢劫亚组和故意伤害亚组中均无显著性差异;rs41423247的基因型在非攻击组与抢劫亚组中的分布有显著性差异(p=0.048);构建的4种单倍型分布在非攻击组与攻击组、抢劫亚组和故意伤害亚组中均无显著性差异。结论云南汉族人群NR3C1基因的rs41423247基因座的单基因座多态性可能与指向他人的躯体攻击行为相关,rs6191基因座的单基因座多态性可能与暴力攻击行为无关。     

Case of Fatal Starvation: Can Stable Isotope Analysis Serve to Support Morphological Diagnosis and Approximate the Length of Starvation?

The diagnosis of death as a result of starvation is established on anthropological measurements, visual appearance of the deceased on external and internal examination, microscopic analysis, laboratory testing, and exclusion of other causes of death. Herein, we present our findings on a case of 95‐year‐old man who died of starvation. After the diagnosis of starvation was established by traditional forensic medicine methods, we have conducted retrospective segmental analysis of stable carbon (δ¹³C) and nitrogen (δ¹⁵N) isotope ratios in hair sample. This method reveals periods of starvation through decrease in δ¹³C and increase in δ¹⁵N along the strand of hair. Our analysis revealed the decrease of 0.6 ‰ in δ¹³C during the last 10–12 weeks prior to death, similar as reported in other investigations. Also, a decrease of 0.7 ‰ in δ¹⁵N during the last 8–10 weeks prior to death was determined that was different than observed in previous studies.     

兔悬挂双前肢致死组织中PKC、AchE、HSP70的活性变化

目的观察兔悬挂双前肢致死不同组织中PKC、AchE、HSP70的活性变化,探讨其在死亡机制中的作用。方法家兔双前肢悬挂致死亡,取膈肌、肋间肌、心肌、腓肠肌、大脑、脑干、肝、肾、肺等组织,以勒颈、颅脑损伤和疾病死亡相应组织为对照。采用SP法对上述组织中蛋白激酶C(PKC)、乙酰胆碱酯酶(AchE)和热休克蛋白70(HSP70)进行免疫组化染色,观察其活性,并采用多组独立样本的Kruskal-Wallis秩和检验方法,对结果进行统计学分析。结果膈肌、肋间肌和大脑组织细胞质中PKC免疫组化阳性染色,悬挂组较其它组增强(P0.05);膈肌、肋间肌、心肌、大脑和肝细胞质及肌组织神经束中AchE免疫组化阳性染色,悬挂组较其它组增强(P0.05);大脑、心、肺中HSP70免疫组化阳性染色,悬挂组较其它组增强(P0.05)。结论PKC、AChE、HSP70通过不同机制,在悬挂双上肢体位性窒息死亡中起到一定作用,本文结果可为相关研究及鉴定提供实验依据。     

The “process” of patenting: Why should we care about a potential U.S. Supreme Court decision in Bilski v. Doll?

In Bilski v. Doll, the U.S. Supreme Court is called to define one of the categories of patent-eligible subject matter, “process” patents. In 2008, the Court of Appeals for the Federal Circuit held that the category has a narrow meaning, and that to be eligible for a process patent under 35 U.S.C. § 101, the invention must involve a machine or apparatus or involve a transformation to a different state or thing, ultimately rejecting the patent application as unpatentable subject matter. The patent applicants have asked the U.S. Supreme Court to determine two issues: first, the meaning of “process” in 35 U.S.C. § 101 and whether the lower court properly relied on a “machine-or-transformation” test, and second, the test's potential conflict with 35 U.S.C. § 273, which provides protection for “method[s] of doing or conducting business.” The Court's decision could change the way that research and business are done, and patent protection for such investments. Parts 1 and 2 of this article address Bilski directly and what is and is not in dispute. Part 3 addresses the “machine-or-transformation” test, while Parts 4 and 5 address reasons not to adopt such a test.     

Unexpected Serotonin Syndrome,Epileptic Seizures,and Cerebral Edema Following 2,5‐dimethoxy‐4‐bromophenethylamine Ingestion

4‐bromo‐2,5‐dimethoxyphenethylamine (2C‐B) is a designer drug. In Europe, 2C‐B is easily obtained and used for recreational purposes. It is known for its stimulating effects similar to those of 3,4‐methylenedioxymethamphetamine, although in higher doses it has more hallucinogenic effects. Here, we report a case of 2C‐B ingestion, confirmed by liquid chromatography‐tandem mass spectrometry, in an 18‐year‐old man. The neurological consequences were severe, including the development of serotonin syndrome and severe brain edema. Supportive therapy resulted in a stable condition, although, after several months, the patient still suffered from severe neurological impairment due to the drug‐induced toxicity. This case showed that 2C‐B could not be identified with the drugs of abuse screening routinely used in Dutch hospitals. The use of 2C‐B carries many risks, with potentially profound neurological damage, that both consumers and healthcare physicians are unaware of.     

(Kein) Optionsrecht zugunsten gemeinnütziger Sportvereine bei Vermietung

R?umen die Mitgliedstaaten ihren Steuerpflichtigen das in Artikel 13 Teil C der Sechsten Richtlinie 77/388/EWG vorgesehene Recht ein, für eine Besteuerung zu optieren, so k?nnen sie nach der Art der Ums?tze oder nach Gruppen von Steuerpflichtigen unterscheiden, sofern sie die Ziele und die allgemeinen Grunds?tze der Sechsten Richtlinie, insbesondere den Grundsatz der steuerlichen Neutralit?t und das Erfordernis einer korrekten, einfachen und einheitlichen Anwendung der vorgesehenen Befreiungen beachten. Es ist Sache des nationalen Gerichts, festzustellen, ob eine nationale Rechtsvorschrift, die die Ums?tze gemeinnütziger Sportvereine generell von der Steuer befreit und dabei das Recht dieser Sportvereine beschr?nkt, für eine Besteuerung der Vermietungs- und Verpachtungsums?tze zu optieren, das den Mitgliedstaaten einger?umte Ermessen unter Berücksichtigung insbesondere des Grundsatzes der steuerlichen Neutralit?t und des Erfordernisses einer korrekten, einfachen und einheitlichen Anwendung der vorgesehenen Steuerbefreiungen überschreitet.     

补体C_5在心肌梗死死后诊断的特异性研究

为了探讨补体 C5在心肌梗死死后诊断的特异性,应用免疫组织化学和图像分析技术 ,对正常心脏、心肌梗死及其它非梗死性的引起直接或间接心脏损害的情况如心肌炎、窒息、电击死、出血性休克、心挫伤、有机磷中毒等心肌细胞内 C5的变化进行研究。结果发现： C5仅在心肌梗死与心肌炎病例出现阳性反应,其阳性反应面积同正常对照组存在显著性差异,在窒息、电击死、出血性休克、心挫伤、有机磷中毒等病例未见明显阳性反应。因此 C5作为心肌梗死死后诊断指标仅受心肌炎的影响,对诊断心肌梗死具有较好的特异性。     

大鼠乌头碱中毒心肌酶的细胞化学研究(Ⅱ)——线粒体细胞色素C氧化酶(CCO)的定位

作者通过大鼠乌头碱中毒心肌线粒体 CCO 的超微结构定位,观察到乌头碱引起 CCO 的定位紊乱。由于损害程度不同,出现三种情况:(1)CCO 失去在线粒体嵴膜和内膜上的定位,酶反应产物呈自由扩散状态,酶反应强度对照组有所增强或相似;(2)CCO 失去在线粒体嵴膜和内膜上的定位,酶反应强度较对照组明显减弱;(3)在同一线粒体中部分保持 CCO 的嵴膜、内膜定位,部分失去 CCO 在嵴膜和内膜上的定位。实验结果表明,乌头碱干扰了心肌细胞呼吸链的电子传递,抑制氧化磷酸化的正常进行,导致心肌能量代谢障碍。     

BAT在非离子型造影剂过敏反应中的诊断价值

目的通过测定免疫正常人、β-内酰胺类药物过敏者以及非离子型造影剂过敏者血液中CD63、肥大细胞羧肽酶A3(MC-CPA3)、人末端补体复合物SC5b-9,探讨嗜碱性粒细胞活化试验(basophil activation test,BAT)在非离子型造影剂过敏反应中的诊断价值。方法采用流式细胞术测定全血中嗜碱性粒细胞CD63表达率。采用ELISA法测定血清中MC-CPA3、血浆中SC5b-9含量。结果非离子型造影剂和β-内酰胺类药物过敏者血液中嗜碱性粒细胞CD63表达率、MC-CPA3以及SC5b-9含量均较免疫正常人升高(P0.05)。结论非离子型造影剂过敏者血液中嗜碱性粒细胞和肥大细胞发生活化,补体系统的激活也参与了非离子型造影剂过敏反应的发生。流式细胞术分析BAT可作为非离子型造影剂过敏反应的诊断方法。     

CT-VRT测量西南地区汉族人胸骨柄体和与身高的相关性

目的采用CT容积再现技术(CT volume rendering technique,CT-VRT)测量西南地区汉族人胸骨柄体和,建立其与身高的回归方程。方法 160例(男、女性各80例)西南地区汉族成年体检者通过CTVRT(重建层厚1 mm)分别测量胸骨柄长和体长,二者的代数和即为柄体和。同时测量受检者真实身高,分别建立男、女性柄体和与身高的回归方程。结果分别建立了男、女性胸骨柄体和(x3)与身高(y)之间关系的一元回归方程(男性:y=135.000+2.118 x3;女性:y=120.790+2.808 x3)。两方程均具有统计学意义(P0.05),且预测准确性均为100%。结论 CT-VRT能作为胸骨指标测量的有效方法。采用CT-VRT测量的胸骨柄体和能应用于西南地区汉族人身高推算。