PubMed · 5643715
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1968-02-24. Alcoholic hypoglycaemia.. https://pubmed.ncbi.nlm.nih.gov/5643715/
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In this study, we examined whether IL-18 plays a role in lung inflammation following alcohol (EtOH) and burn injury. Male rats ( approximately 250 g) were gavaged with EtOH to achieve a blood EtOH level of approximately 100 mg/dl before burn or sham injury ( approximately 12.5% total body surface area). Immediately after injury, rats were treated with vehicle, caspase-1 inhibitor AC-YVAD-CHO to block IL-18 production or with IL-18 neutralizing anti-IL-18 antibodies. In another group, rats were treated with anti-neutrophil antiserum approximately 16 h before injury to deplete neutrophils. On day 1 after injury, lung tissue IL-18, neutrophil chemokines (CINC-1/CINC-3), ICAM-1, neutrophil infiltration, MPO activity, and water content (i.e., edema) were significantly increased in rats receiving a combined insult of EtOH and burn injury compared with rats receiving either EtOH intoxication or burn injury alone. Treatment of rats with caspase-1 inhibitor prevented the increase in lung tissue IL-18, CINC-1, CINC-3, ICAM-1, MPO activity, and edema following EtOH and burn injury. The increase in lung IL-18, MPO, and edema was also prevented in rats treated with anti-IL-18 antibodies. Furthermore, administration of anti-neutrophil antiserum also attenuated the increase in lung MPO activity and edema, but did not prevent the increase in IL-18 levels following EtOH and burn injury. These findings suggest that acute EtOH intoxication before burn injury upregulates IL-18, which in turn contributes to increased neutrophil infiltration. Furthermore, the presence of neutrophils appears to be critical for IL-18-meditaed increased lung tissue edema following a combined insult of EtOH and burn injury.
AIMS: The publication of the Journal of Inebriety (1876-1914) chronicled the rise and fall of the first era of organized addiction medicine in the United States. METHODS: Findings from historical research, a content analysis of the Journal's 35 volumes and 141 issues and images from the Journal illustrate visually the medical treatment of addiction in the United States in the late 19th and early 20th centuries. RESULTS: Under the editorial direction of Dr T. D. Crothers, the Journal of Inebriety published papers and reviews focused primarily on the medical treatment of alcohol and opiate addiction within a growing international network of inebriate homes and asylums. CONCLUSIONS: The history of the Journal of Inebriety mirrors efforts in America to forge a legitimized field of addiction medicine amid conflicting conceptualizations of the nature of severe alcohol and other drug problems.
BACKGROUND: Alcohol is known to inhibit the recruitment of polymorphonuclear leukocytes (PMNs) into tissue sites including the lung. During infection and inflammation, recruited neutrophils (PMNs) release S100 proteins that function to promote the recruitment of additional phagocytes. METHODS AND RESULTS: This study investigated the effects of alcohol intoxication on S100 protein production in the lung in response to lipopolysaccharide (LPS). Animals were administered alcohol (5.5 g/kg) or saline 30 minutes before intratracheal challenge with LPS (100 microg/rat). Alcohol suppressed PMN recruitment into the lung following intratracheal LPS, which was associated with an inhibition of increase in S100A8 levels in both the bronchoalveolar lavage (BAL) fluid and lysates of cells recovered by BAL at 90 minutes and 4 hours post-LPS challenge. S100A8 and S100A9 mRNA expression in cells recovered by BAL was significantly up-regulated at both 90 minutes and 4 hours after the LPS challenge, and alcohol also suppressed this response. In addition, intratracheal LPS caused a transient increase in S100A8 mRNA expression in circulating leukocytes at 90 minutes after the challenge. Similarly, this LPS-induced up-regulation of S100A8 mRNA expression was inhibited in rats intoxicated with alcohol. CONCLUSION: These data show that alcohol inhibits the S100 protein response in the lung, which may serve as a mechanism underlying alcohol-induced suppression of PMN recruitment into the terminal airways during pulmonary infection.