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Contrasting effects of two hormone replacement therapies on the cardiovascular and mammary gland outcomes in surgically postmenopausal monkeys
Objective: The purpose of this study was to compare the effects of two hormone replacement therapies on the intermediate end points of coronary heart disease and mammary gland hyperplasia in postmenopausal monkeys. Study Design: Surgically postmenopausal cynomolgus monkeys were fed an atherogenic di...
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Published in: | American journal of obstetrics and gynecology 2003-05, Vol.188 (5), p.1132-1140 |
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description | Objective: The purpose of this study was to compare the effects of two hormone replacement therapies on the intermediate end points of coronary heart disease and mammary gland hyperplasia in postmenopausal monkeys. Study Design: Surgically postmenopausal cynomolgus monkeys were fed an atherogenic diet for 12 months while receiving no treatment (control, n = 19), conjugated equine estrogens plus continuous medroxyprogesterone acetate (n = 19), or ethinyl estradiol plus norethindrone acetate (n = 21) at doses that were scaled from those doses taken by women. Results: Quantitative coronary angiography revealed that the arteries of the control group and the conjugated equine estrogens plus continuous medroxyprogesterone acetate-treated animals constricted in response to acetylcholine (–5.4% ± 1.4% and –6.2% ± 1.5%, respectively), whereas those arteries in the animals in the ethinyl estradiol plus norethindrone acetate group did not (P =.002). The incidence of dobutamine-induced ST-segment depression in the ethinyl estradiol plus norethindrone acetate group (10.5%) was significantly less than in the control group (68.8%, P =.001) or the conjugated equine estrogens plus continuous medroxyprogesterone acetate group (50%, P =.01). Conjugated equine estrogens plus continuous medroxyprogesterone acetate, but not ethinyl estradiol plus norethindrone acetate, induced diffuse epithelial tissue proliferation in the mammary glands (P =.0006). Conclusion: Ethinyl estradiol plus norethindrone acetate protected against atherosclerosis-induced endothelium-mediated vasoconstriction of coronary arteries and heart rate-induced myocardial ischemia and did not induce epithelial tissue proliferation (tissue density) in the mammary gland. (Am J Obstet Gynecol 2003;188:1132-40.) |
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Study Design: Surgically postmenopausal cynomolgus monkeys were fed an atherogenic diet for 12 months while receiving no treatment (control, n = 19), conjugated equine estrogens plus continuous medroxyprogesterone acetate (n = 19), or ethinyl estradiol plus norethindrone acetate (n = 21) at doses that were scaled from those doses taken by women. Results: Quantitative coronary angiography revealed that the arteries of the control group and the conjugated equine estrogens plus continuous medroxyprogesterone acetate-treated animals constricted in response to acetylcholine (–5.4% ± 1.4% and –6.2% ± 1.5%, respectively), whereas those arteries in the animals in the ethinyl estradiol plus norethindrone acetate group did not (P =.002). The incidence of dobutamine-induced ST-segment depression in the ethinyl estradiol plus norethindrone acetate group (10.5%) was significantly less than in the control group (68.8%, P =.001) or the conjugated equine estrogens plus continuous medroxyprogesterone acetate group (50%, P =.01). Conjugated equine estrogens plus continuous medroxyprogesterone acetate, but not ethinyl estradiol plus norethindrone acetate, induced diffuse epithelial tissue proliferation in the mammary glands (P =.0006). Conclusion: Ethinyl estradiol plus norethindrone acetate protected against atherosclerosis-induced endothelium-mediated vasoconstriction of coronary arteries and heart rate-induced myocardial ischemia and did not induce epithelial tissue proliferation (tissue density) in the mammary gland. (Am J Obstet Gynecol 2003;188:1132-40.)</description><identifier>ISSN: 0002-9378</identifier><identifier>EISSN: 1097-6868</identifier><identifier>DOI: 10.1067/mob.2003.237</identifier><identifier>PMID: 12748457</identifier><language>eng</language><publisher>United States: Mosby, Inc</publisher><subject>Animals ; Aorta - metabolism ; breast cancer ; Cardiotonic Agents - pharmacology ; Cardiovascular System - drug effects ; Cholesterol - metabolism ; Coronary Angiography ; Coronary Vessels - drug effects ; cynomolgus monkeys ; Dobutamine - pharmacology ; Drug Combinations ; Electroencephalography ; Endometrium - drug effects ; Endometrium - pathology ; Epithelium - pathology ; Estradiol Congeners - therapeutic use ; Estrogen Replacement Therapy ; Estrogens, Conjugated (USP) - therapeutic use ; Ethinyl Estradiol - therapeutic use ; Female ; Hormone replacement therapy ; Lipids - blood ; Macaca fascicularis ; Mammary Glands, Animal - drug effects ; Mammary Glands, Animal - pathology ; Medroxyprogesterone Acetate - therapeutic use ; myocardial function ; Norethindrone - analogs & derivatives ; Norethindrone - therapeutic use ; Norethindrone Acetate ; Postmenopause ; Progesterone Congeners - therapeutic use ; Uterus - drug effects ; Uterus - pathology ; vascular reactivity ; Vasoconstriction</subject><ispartof>American journal of obstetrics and gynecology, 2003-05, Vol.188 (5), p.1132-1140</ispartof><rights>2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-a11d15fde03dc3131db2f1143668713fc048984d954014856e16f42487f1e2253</citedby><cites>FETCH-LOGICAL-c334t-a11d15fde03dc3131db2f1143668713fc048984d954014856e16f42487f1e2253</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12748457$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Suparto, Irma H.</creatorcontrib><creatorcontrib>Williams, J.Koudy</creatorcontrib><creatorcontrib>Cline, J.Mark</creatorcontrib><creatorcontrib>Anthony, Mary S.</creatorcontrib><creatorcontrib>Fox, Jamie L.</creatorcontrib><title>Contrasting effects of two hormone replacement therapies on the cardiovascular and mammary gland outcomes in surgically postmenopausal monkeys</title><title>American journal of obstetrics and gynecology</title><addtitle>Am J Obstet Gynecol</addtitle><description>Objective: The purpose of this study was to compare the effects of two hormone replacement therapies on the intermediate end points of coronary heart disease and mammary gland hyperplasia in postmenopausal monkeys. Study Design: Surgically postmenopausal cynomolgus monkeys were fed an atherogenic diet for 12 months while receiving no treatment (control, n = 19), conjugated equine estrogens plus continuous medroxyprogesterone acetate (n = 19), or ethinyl estradiol plus norethindrone acetate (n = 21) at doses that were scaled from those doses taken by women. Results: Quantitative coronary angiography revealed that the arteries of the control group and the conjugated equine estrogens plus continuous medroxyprogesterone acetate-treated animals constricted in response to acetylcholine (–5.4% ± 1.4% and –6.2% ± 1.5%, respectively), whereas those arteries in the animals in the ethinyl estradiol plus norethindrone acetate group did not (P =.002). The incidence of dobutamine-induced ST-segment depression in the ethinyl estradiol plus norethindrone acetate group (10.5%) was significantly less than in the control group (68.8%, P =.001) or the conjugated equine estrogens plus continuous medroxyprogesterone acetate group (50%, P =.01). Conjugated equine estrogens plus continuous medroxyprogesterone acetate, but not ethinyl estradiol plus norethindrone acetate, induced diffuse epithelial tissue proliferation in the mammary glands (P =.0006). Conclusion: Ethinyl estradiol plus norethindrone acetate protected against atherosclerosis-induced endothelium-mediated vasoconstriction of coronary arteries and heart rate-induced myocardial ischemia and did not induce epithelial tissue proliferation (tissue density) in the mammary gland. (Am J Obstet Gynecol 2003;188:1132-40.)</description><subject>Animals</subject><subject>Aorta - metabolism</subject><subject>breast cancer</subject><subject>Cardiotonic Agents - pharmacology</subject><subject>Cardiovascular System - drug effects</subject><subject>Cholesterol - metabolism</subject><subject>Coronary Angiography</subject><subject>Coronary Vessels - drug effects</subject><subject>cynomolgus monkeys</subject><subject>Dobutamine - pharmacology</subject><subject>Drug Combinations</subject><subject>Electroencephalography</subject><subject>Endometrium - drug effects</subject><subject>Endometrium - pathology</subject><subject>Epithelium - pathology</subject><subject>Estradiol Congeners - therapeutic use</subject><subject>Estrogen Replacement Therapy</subject><subject>Estrogens, Conjugated (USP) - therapeutic use</subject><subject>Ethinyl Estradiol - therapeutic use</subject><subject>Female</subject><subject>Hormone replacement therapy</subject><subject>Lipids - blood</subject><subject>Macaca fascicularis</subject><subject>Mammary Glands, Animal - drug effects</subject><subject>Mammary Glands, Animal - pathology</subject><subject>Medroxyprogesterone Acetate - therapeutic use</subject><subject>myocardial function</subject><subject>Norethindrone - analogs & derivatives</subject><subject>Norethindrone - therapeutic use</subject><subject>Norethindrone Acetate</subject><subject>Postmenopause</subject><subject>Progesterone Congeners - therapeutic use</subject><subject>Uterus - drug effects</subject><subject>Uterus - pathology</subject><subject>vascular reactivity</subject><subject>Vasoconstriction</subject><issn>0002-9378</issn><issn>1097-6868</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNptkM2OFCEUhYnROO3ozrVh5cpq-auCWprO-JNM4kbXhIZLD1oUJVBj-iV8Zql0J25ckZN891zuh9BrSvaUDPJ9TMc9I4TvGZdP0I6SUXaDGtRTtCOEsG7kUt2gF6X82CIb2XN0Q5kUSvRyh_4c0lyzKTXMJwzeg60FJ4_r74QfUo5pBpxhmYyFCHPF9QGyWQI0aN4Ctia7kB5NsetkMjazw9HEaPIZn6YtpbXaFNtAmHFZ8ylYM01nvKRSW2NazFrMhNuin3AuL9Ezb6YCr67vLfr-8e7b4XN3__XTl8OH-85yLmpnKHW09w4Id5ZTTt2ReUoFHwYlKfeWCDUq4cZeECpUPwAdvGBCSU-BsZ7foreX3iWnXyuUqmMoFqb2Y0hr0ZKzUYheNPDdBbQ5lZLB6yWH7TpNid786-Zfb_5189_wN9fe9RjB_YOvwhswXABo1z0GyLrYALMFF3Jzr10K_2_-C_H5lmo</recordid><startdate>200305</startdate><enddate>200305</enddate><creator>Suparto, Irma H.</creator><creator>Williams, J.Koudy</creator><creator>Cline, J.Mark</creator><creator>Anthony, Mary S.</creator><creator>Fox, Jamie L.</creator><general>Mosby, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200305</creationdate><title>Contrasting effects of two hormone replacement therapies on the cardiovascular and mammary gland outcomes in surgically postmenopausal monkeys</title><author>Suparto, Irma H. ; Williams, J.Koudy ; Cline, J.Mark ; Anthony, Mary S. ; Fox, Jamie L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-a11d15fde03dc3131db2f1143668713fc048984d954014856e16f42487f1e2253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Animals</topic><topic>Aorta - metabolism</topic><topic>breast cancer</topic><topic>Cardiotonic Agents - pharmacology</topic><topic>Cardiovascular System - drug effects</topic><topic>Cholesterol - metabolism</topic><topic>Coronary Angiography</topic><topic>Coronary Vessels - drug effects</topic><topic>cynomolgus monkeys</topic><topic>Dobutamine - pharmacology</topic><topic>Drug Combinations</topic><topic>Electroencephalography</topic><topic>Endometrium - drug effects</topic><topic>Endometrium - pathology</topic><topic>Epithelium - pathology</topic><topic>Estradiol Congeners - therapeutic use</topic><topic>Estrogen Replacement Therapy</topic><topic>Estrogens, Conjugated (USP) - therapeutic use</topic><topic>Ethinyl Estradiol - therapeutic use</topic><topic>Female</topic><topic>Hormone replacement therapy</topic><topic>Lipids - blood</topic><topic>Macaca fascicularis</topic><topic>Mammary Glands, Animal - drug effects</topic><topic>Mammary Glands, Animal - pathology</topic><topic>Medroxyprogesterone Acetate - therapeutic use</topic><topic>myocardial function</topic><topic>Norethindrone - analogs & derivatives</topic><topic>Norethindrone - therapeutic use</topic><topic>Norethindrone Acetate</topic><topic>Postmenopause</topic><topic>Progesterone Congeners - therapeutic use</topic><topic>Uterus - drug effects</topic><topic>Uterus - pathology</topic><topic>vascular reactivity</topic><topic>Vasoconstriction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Suparto, Irma H.</creatorcontrib><creatorcontrib>Williams, J.Koudy</creatorcontrib><creatorcontrib>Cline, J.Mark</creatorcontrib><creatorcontrib>Anthony, Mary S.</creatorcontrib><creatorcontrib>Fox, Jamie L.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of obstetrics and gynecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Suparto, Irma H.</au><au>Williams, J.Koudy</au><au>Cline, J.Mark</au><au>Anthony, Mary S.</au><au>Fox, Jamie L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Contrasting effects of two hormone replacement therapies on the cardiovascular and mammary gland outcomes in surgically postmenopausal monkeys</atitle><jtitle>American journal of obstetrics and gynecology</jtitle><addtitle>Am J Obstet Gynecol</addtitle><date>2003-05</date><risdate>2003</risdate><volume>188</volume><issue>5</issue><spage>1132</spage><epage>1140</epage><pages>1132-1140</pages><issn>0002-9378</issn><eissn>1097-6868</eissn><abstract>Objective: The purpose of this study was to compare the effects of two hormone replacement therapies on the intermediate end points of coronary heart disease and mammary gland hyperplasia in postmenopausal monkeys. Study Design: Surgically postmenopausal cynomolgus monkeys were fed an atherogenic diet for 12 months while receiving no treatment (control, n = 19), conjugated equine estrogens plus continuous medroxyprogesterone acetate (n = 19), or ethinyl estradiol plus norethindrone acetate (n = 21) at doses that were scaled from those doses taken by women. Results: Quantitative coronary angiography revealed that the arteries of the control group and the conjugated equine estrogens plus continuous medroxyprogesterone acetate-treated animals constricted in response to acetylcholine (–5.4% ± 1.4% and –6.2% ± 1.5%, respectively), whereas those arteries in the animals in the ethinyl estradiol plus norethindrone acetate group did not (P =.002). The incidence of dobutamine-induced ST-segment depression in the ethinyl estradiol plus norethindrone acetate group (10.5%) was significantly less than in the control group (68.8%, P =.001) or the conjugated equine estrogens plus continuous medroxyprogesterone acetate group (50%, P =.01). Conjugated equine estrogens plus continuous medroxyprogesterone acetate, but not ethinyl estradiol plus norethindrone acetate, induced diffuse epithelial tissue proliferation in the mammary glands (P =.0006). Conclusion: Ethinyl estradiol plus norethindrone acetate protected against atherosclerosis-induced endothelium-mediated vasoconstriction of coronary arteries and heart rate-induced myocardial ischemia and did not induce epithelial tissue proliferation (tissue density) in the mammary gland. (Am J Obstet Gynecol 2003;188:1132-40.)</abstract><cop>United States</cop><pub>Mosby, Inc</pub><pmid>12748457</pmid><doi>10.1067/mob.2003.237</doi><tpages>9</tpages></addata></record> |
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subjects | Animals Aorta - metabolism breast cancer Cardiotonic Agents - pharmacology Cardiovascular System - drug effects Cholesterol - metabolism Coronary Angiography Coronary Vessels - drug effects cynomolgus monkeys Dobutamine - pharmacology Drug Combinations Electroencephalography Endometrium - drug effects Endometrium - pathology Epithelium - pathology Estradiol Congeners - therapeutic use Estrogen Replacement Therapy Estrogens, Conjugated (USP) - therapeutic use Ethinyl Estradiol - therapeutic use Female Hormone replacement therapy Lipids - blood Macaca fascicularis Mammary Glands, Animal - drug effects Mammary Glands, Animal - pathology Medroxyprogesterone Acetate - therapeutic use myocardial function Norethindrone - analogs & derivatives Norethindrone - therapeutic use Norethindrone Acetate Postmenopause Progesterone Congeners - therapeutic use Uterus - drug effects Uterus - pathology vascular reactivity Vasoconstriction |
title | Contrasting effects of two hormone replacement therapies on the cardiovascular and mammary gland outcomes in surgically postmenopausal monkeys |
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