Thirty case reports published in Japan that refer to psychiatric symptoms accompanying interferon (IFN) therapy were examined. These papers covered a total of 49 cases. W e categorized these 49 cases into 35 cases of mood disorder, 10 of delirium and four of psychotic disorder. The key findings of our study of these cases are as follows: (i) in total, 11 patients had psychiatric past histories: five patients in the mood disorders group were susceptible to the influence of social or psychological factors; (ii) whereas the symptoms of mood disorder or delirium appeared soon after IFN was administered, the symptoms of psychotic disorders appeared later. The patients with delirium displayed many neurological abnormalities, which were reduced by suspending IFN therapy. This suggests the neurologcal toxicity of IFN; (iii) the outcome of most patients was good; and (iv) we suspect that IFN-induced psychiatric symptoms other than delirium are connected with psychoneuroimmunological functions.
SummaryCorn peptide (CP) was prepared from corn gluten meal by proteolysis with alkaline protease from alkalophilic Bacillus A-7. Free amino acids were not found in the CP product. Gel filtration on a Shodex OH-packed column revealed that the molecular weight distribution of the CP was less than about 2,000, characteristic of dipeptides to decapeptides, i.e. oligopeptides. The amino acid pattern of CP was similar to that of corn gluten meal, which was rich in alanine and branched-chain amino acids, but poor in basic amino acids. The effect of the CP administration on alcohol metabolism was examined with SHR-SP, which were given ethanol orally through a gastric tube at the rate of 1.0g/kg. Prior administration of CP at 1.0g/kg resulted in fast disappearance of ethanol and its oxidative product acetaldehyde from the blood relative to the control without administration. Hence, it is suggested that CP, rather than its constituent amino acids such as alanine and proline, effectively takes part in enhancing the metabolism of ethanol as well as acetaldehyde.
Mesoscale structures (microns dimensions, nL-pL volumes) have been designed and fabricated in silicon for use in various analytical tasks. We studied sperm motility and performed sperm selection in channels (80 microns wide x 20 microns deep), branching structures (40 microns wide x 20 microns deep, eight bifurcations), and channels containing barriers (7 microns feature size). Sperm-cervical mucus and sperm-hyaluronic acid interactions were assessed by using appropriate microchannel-chamber structures filled with either cervical mucus or hyaluronic acid. Simultaneous assessment of the potency of different spermicides (e.g., nonoxynol-9, C13G) and spermicide concentrations was achieved with structures comprising chambers containing spermicide connected via channels to a central chamber into which semen was introduced. Semen was also tested for the presence of sperm-specific antibodies by using microchannels filled with human anti-IgG antibody-coated microbeads.
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