ArticleIn vivo (Athens, Greece)
Methotrexate Enhances Atherosclerosis Progression
Article in In vivo (Athens, Greece). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors.
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Abstract
BACKGROUND/
aimAs the pathophysiology of Microminipigs (μMPs) is similar to that of human, μMPs are useful in atherosclerosis research. To clarify the effect of methotrexate (MTX) on atherosclerosis, we investigated the pathology of MTX-induced atherosclerosis lesion exacerbation in μMPs fed a high-fat and high-cholesterol diet (HFHCD). MATERIALS AND
methodsThe μMPs were divided into four groups: HFHCD, HFHCD+MTX, HFHCD+MTX+leucovorin (LV), and HFHCD+MTX+folic acid (FA), and fed for two weeks. Laboratory tests including blood lipid, FA, and homocysteine (Hcy) levels, and pathological evaluation of the atherosclerosis lesion area and thickness were performed. Hepatic and jejunal gene expressions related to lipid and folate metabolism pathways including 5-methyltetrahydrofolate-homocysteine methyltransferase (MTR) were monitored using RT-PCR.
resultsThe HFHCD+MTX group showed increased blood Hcy (
conclusionMTX exacerbated HFHCD-induced atherosclerosis mediated through reduced blood FA and the subsequent increase of Hcy in μMPs, indicating that the μMP model may advance cardio-oncology research by providing useful experimental approaches. As MTX is administered for rheumatoid arthritis and malignant tumors in humans, atherosclerosis exacerbation should be acknowledged as a possible adverse effect of MTX treatment.
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