PubMed · 505214
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H J Kayser. 1979-11-10. Disulfiram implants.. https://pubmed.ncbi.nlm.nih.gov/505214/
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Transmission/disequilibrium tests have attracted much attention in genetic studies of complex traits because (a) their power to detect genes having small to moderate effects may be greater than that of other linkage methods and (b) they are robust against population stratification. Highly polymorphic markers have become available throughout the human genome, and many such markers can be studied within short physical distances. Studies using multiple tightly linked markers are more informative than those using single markers. However, such information has not been fully utilized by existing statistical methods, resulting in possibly substantial loss of information in the identification of genes underlying complex traits. In this article, we propose novel statistical methods to analyze multiple tightly linked markers. Simulation studies comparing our methods versus existing methods suggest that our methods are more powerful. Finally, we apply the proposed methods to study genetic linkage between the dopamine D2 receptor locus and alcoholism.
At present, institutions in Germany that concern themselves with the detoxification of alcoholics on an outpatient basis are few and far between, despite the fact that such an approach is quite common in other countries such as the USA. Problems are associated both with the careful diagnostic work-up of the patient aimed at assessing possible risks, and with the pharmacotherapy that might be needed. The present article describes a model project, which was initiated in 1998 under the scientific and clinical supervision of the Department of Psychiatry of the University Hospital in Munich. The concept behind the project and the clinical results achieved with the first 47 detoxified patients are presented and discussed.
Changes in the kinetics and regulation of oxidative phosphorylation were characterized in isolated rat liver mitochondria after 2 months of ethanol consumption. Mitochondrial energy metabolism was conceptually divided into three groups of reactions, either producing protonmotive force (Deltap) (the respiratory subsystem) or consuming it (the phosphorylation subsystem and the proton leak). Manifestation of ethanol-induced mitochondrial malfunctioning of the respiratory subsystem was observed with various substrates; the respiration rate in State 3 was inhibited by 27+/-4% with succinate plus amytal, by 20+/-4% with glutamate plus malate, and by 17+/-2% with N,N,N',N'-tetramethyl-p-phenylenediamine/ascorbate. The inhibition of the respiratory activity correlated with the lower activities of cytochrome c oxidase, the bc(1) complex, and the ATP synthase in mitochondria of ethanol-fed rats. The block of reactions consuming the Deltap to produce ATP (the phosphorylating subsystem) was suppressed after 2 months of ethanol feeding, whereas the mitochondrial proton leak was not affected. The contributions of Deltap supply (the respiratory subsystem) and Deltap demand (the phosphorylation and the proton leak) to the control of the respiratory flux were quantified as the control coefficients of these subsystems. In State 3, the distribution of control exerted by different reaction blocks over respiratory flux was not significantly affected by ethanol diet, despite the marked changes in the kinetics of individual functional units of mitochondrial oxidative phosphorylation. This suggests the operation of compensatory mechanisms, when control redistributes among the different components within the same subsystem.