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We conducted genomewide linkage analyses on 1,152 individuals from 250 families segregating for bipolar disorder and related affective illnesses. These pedigrees were ascertained at 10 sites in the United States, through a proband with bipolar I affective disorder and a sibling with bipolar I or schizoaffective disorder, bipolar type. Uniform methods of(More)
BACKGROUND In 1989 the National Institute of Mental Health began a collaborative effort to identify genes for bipolar disorder. The first 97 pedigrees showed evidence of linkage to chromosomes 1, 6, 7, 10, 16, and 22 (Nurnberger et al 1997). An additional 56 bipolar families have been genotyped, and the combined sample of 153 pedigrees studied. METHODS(More)
BACKGROUND Previous studies have suggested that bipolar patients are supersensitive to light suppression of melatonin and that this may be a trait marker for genetic vulnerability. The present study was an attempt to replicate and extend this observation. Propranolol hydrochloride effects were compared with light effects because of the documented influence(More)
DNA has been successfully extracted from several samples of preserved tissue, the oldest so far reported originating from a 13,000-year-old ground sloth. Both severe damage to the preserved DNA, primarily due to oxidation of the pyrimidines, has prevented the acquisition of sequence data from ancient samples except in a few cases. We report here the(More)
whose writing, editing, and coordinating efforts were instrumental in development of this manual. We extend our appreciation to the following experts and organizations listed below, whose instruments and manuals were adapted in part to develop the Diagnostic Instrument for Genetic Studies (DIGS) and accompanying manual. A complete bibliography appears at(More)
In order to elucidate the mechanism by which acidic lipids enhance the stereospecific high-affinity binding of opiates to neural membranes, chemical synthesis and testing of modified lipid derivatives were undertaken. Phosphatidyl serine ethyl glycolate ester was synthesized from phosphatidyl serine (PS) and ethyl diazoacetate and purified by preparative(More)
The polarization of the native fluorescence of dopamine and noradrenaline has been used to measure their binding and immobilization by liposomes suspended in aqueous buffers. Whereas both catecholamines are significantly immobilized by brain phosphatidyl serine and yeast phosphatidyl inositol, phosphatidyl ethanolamine and phosphatidyl inositol from brain(More)
The intrinsic fluorescence of apomorphine has been used to measure its binding to neural membranes. A large number of relatively weak binding sites are concentrated in myelin and synaptic membrane fractions. Butyrophenones have the highest affinities for these sites--KD = 43 micrometer for haloperidol--while dopamine and dopamine releasers and reuptake(More)
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