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Male rhesus monkeys were subjected to chronic exposure to marijuana smoke. High dose animals (HI) were exposed 7 days/week to 1 MJ cigarette/day; low dose animals (LO) were exposed on 2 consecutive weekend days to 1 MJ cigarette/day; placebo animals (EM) were exposed to 1 ethanol-extracted MJ cigarette/day for 7 days/week; sham animals (SH) were exposed to sham smoking conditions 7 days/week. This regimen was maintained for 1 year and was followed by a 7 month rest period. Alveolar macrophages of animals exposed to the LO and HI dose smoking regimens exhibited irregular cell surface morphology, increased vacuolization, and a spherical conformation upon adherence to plastic. Gel protein profiles of purified macrophages from HI and LO animals showed marked differences in both constitutive and bacterial lipopolysaccharide-elicited protein expression when compared with those of macrophages from the EM or SH animals. These results indicate that chronic THC exposure alters macrophage morphology and protein expression to external stimuli even after a 7 month rest period.
G A Cabral, and
A L Stinnett, and
J Bailey, and
S F Ali, and
M G Paule, and
A C Scallet, and
W Slikker
February 2022,
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G A Cabral, and
A L Stinnett, and
J Bailey, and
S F Ali, and
M G Paule, and
A C Scallet, and
W Slikker
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W Slikker
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W Slikker
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G A Cabral, and
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W Slikker
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A C Scallet, and
W Slikker
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A C Scallet, and
W Slikker
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G A Cabral, and
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M G Paule, and
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W Slikker
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