{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T03:30:33Z","timestamp":1789702233236,"version":"4.0.1"},"reference-count":50,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"7","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circulation Research"],"published-print":{"date-parts":[[1999,4,16]]},"abstract":"<jats:p>\n            <jats:italic>Abstract<\/jats:italic>\n            \u2014The effect of natural androgens on serum lipids and atherosclerosis is controversial. We therefore studied this important issue prospectively in an animal model of atherosclerosis. Eighty male rabbits were randomized to bilateral castration, and 20 animals were sham operated. The castrated rabbits were randomized to 500 mg oral dehydroepiandrosterone (DHEA) daily, 80 mg oral testosterone undecanoate (TU) daily, or 25-mg intramuscular injection of testosterone enanthate (TE) twice weekly, whereas the fourth castrated group (placebo) and the sham-operated rabbits did not receive any hormones. All animals were fed a cholesterol-rich diet during the 30-week treatment period. Average serum lipids and atherogenic lipoproteins were higher in the placebo group than in the other groups (ANOVA,\n            <jats:italic>P<\/jats:italic>\n            &lt;0.0001). Aortic atherosclerosis, as evaluated by the cholesterol content (nmol\/mg protein), was also highest in the placebo group (308\u00b139) and lowest in the TE group (61\u00b112), but was intermediate in the DHEA (155\u00b130), TU (191\u00b143), and sham operation (162\u00b129) groups (ANOVA,\n            <jats:italic>P<\/jats:italic>\n            &lt;0.0001). ANCOVA indicated that the androgen effect on aortic atherosclerosis was only in part explained by the changes in lipoproteins. Aortic estrogen receptor contents were significantly lower in the androgen-treated groups than in the control groups, whereas there was no difference in aortic androgen receptor contents between groups. Natural androgens inhibit aortic atherosclerosis in castrated male rabbits only partly through a lipid-mediated effect.\n          <\/jats:p>","DOI":"10.1161\/01.res.84.7.813","type":"journal-article","created":{"date-parts":[[2012,6,12]],"date-time":"2012-06-12T00:47:05Z","timestamp":1339462025000},"page":"813-819","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":195,"title":["Natural Androgens Inhibit Male Atherosclerosis"],"prefix":"10.1161","volume":"84","author":[{"given":"Peter","family":"Alexandersen","sequence":"first","affiliation":[{"name":"From the Center for Clinical and Basic Research, Ballerup, Denmark."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jens","family":"Haarbo","sequence":"additional","affiliation":[{"name":"From the Center for Clinical and Basic Research, Ballerup, Denmark."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Inger","family":"Byrjalsen","sequence":"additional","affiliation":[{"name":"From the Center for Clinical and Basic Research, Ballerup, Denmark."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Henrik","family":"Lawaetz","sequence":"additional","affiliation":[{"name":"From the Center for Clinical and Basic Research, Ballerup, Denmark."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Claus","family":"Christiansen","sequence":"additional","affiliation":[{"name":"From the Center for Clinical and Basic Research, Ballerup, Denmark."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_2_1_2","unstructured":"US Department of Health Education and Welfare. 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