Cited by 1.4k
Praxis (United States)
Publishes on Neuroscience and Neuropharmacology Research, Neurotransmitter Receptor Influence on Behavior, Treatment of Major Depression. 154 papers and 9.2k citations.
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In adolescent baboons the intravenous injection of bicuculline induced generalized seizures lasting up to five hours, which sometimes led to brain damage or death. Marked initial rises in arterial and cerebral venous pressure were accompanied by severe metabolic and respiratory acidosis, hyperglycemia, and reduced cerebral arteriovenous (AV) differences for oxygen (O<sub>2</sub>) and carbon dioxide (CO<sub>2</sub>). In the second phase of the seizure (+25 to +300 minutes) blood pressure was normal or low, cerebral AV differences for O<sub>2 and</sub>CO we<sub>re</sub>enhanced, but cerebral venous oxygen tension was not critically reduced. There was severe hyperpyrexia, and hyperkalemia, and sometimes hypoglycemia. Death was cardiovascular in origin. A behavioral and electroencephalographic recovery could occur within three hours of generalized seizure activity lasting one to two hours.
The human major histocompatibility complex (MHC) is contained within about 4 Mb on the short arm of chromosome 6 and is recognised as the most variable region in the human genome. The primary aim of the MHC Haplotype Project was to provide a comprehensively annotated reference sequence of a single, human leukocyte antigen-homozygous MHC haplotype and to use it as a basis against which variations could be assessed from seven other similarly homozygous cell lines, representative of the most common MHC haplotypes in the European population. Comparison of the haplotype sequences, including four haplotypes not previously analysed, resulted in the identification of >44,000 variations, both substitutions and indels (insertions and deletions), which have been submitted to the dbSNP database. The gene annotation uncovered haplotype-specific differences and confirmed the presence of more than 300 loci, including over 160 protein-coding genes. Combined analysis of the variation and annotation datasets revealed 122 gene loci with coding substitutions of which 97 were non-synonymous. The haplotype (A3-B7-DR15; PGF cell line) designated as the new MHC reference sequence, has been incorporated into the human genome assembly (NCBI35 and subsequent builds), and constitutes the largest single-haplotype sequence of the human genome to date. The extensive variation and annotation data derived from the analysis of seven further haplotypes have been made publicly available and provide a framework and resource for future association studies of all MHC-associated diseases and transplant medicine.