{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,5]],"date-time":"2026-08-05T03:39:03Z","timestamp":1785901143713,"version":"3.56.0"},"reference-count":35,"publisher":"Portland Press Ltd.","issue":"23","content-domain":{"domain":["portlandpress.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2017,12,1]]},"abstract":"<jats:p>Preeclampsia is associated with hypertension, small-for-gestational-age babies, and increased cytolytic natural killer (NK) cells. The specific role of cytolytic NK cells in the pathophysiology of preeclampsia has not been clearly defined. We hypothesized that Reduced Uterine Perfusion Pressure (RUPP) stimulates proliferation and cytolytic activation of NK cells, and that reducing NK cells in RUPP would prevent hypertension, intrauterine growth restriction, and inflammation in response to placental ischemia. RUPP was induced on gestation day (GD) 14 in pregnant rats. NK cells were depleted by i.p. administration of anti-asialo GM1 antibody on GDs 15 and 17. Placental and circulating NK cells were quantified via flow cytometry, mean arterial pressure (MAP), fetal weights, and cytokines were measured on GD 19. Total placental NK cells were 7.4 \u00b1 2% of gated cells in normal pregnant (NP; n=10) and 16.5 \u00b1 3% of gated cells in RUPP (n=10) rats. Furthermore, cytolytic placental NK cells also increased in RUPP. Depletion of NK cells in RUPP (RUPP + anti-ASGM1) significantly improved MAP and fetal weights. MAP was 108 \u00b1 2 mmHg in NP, 125 \u00b1 2 mmHg in RUPP, and 112 \u00b1 2 mmHg in RUPP + anti-ASGM1 (n=12). Fetal weight was 2.32 \u00b1 0.05 in NP, 1.8 \u00b1 0.04g in RUPP, and increased to 2.0 \u00b1 0.04g in RUPP + anti-ASGM1. Placental interferon-\u03b3 (IFN-\u03b3) was 40.4 \u00b1 5.2 pg\/mg in NP, 72.17 \u00b1 3.2 pg\/mg in RUPP, and 44.0 \u00b1 6.5 pg\/mg in RUPP + anti-ASGM1 (P&amp;lt;0.05). Placental tumor necrosis factor-\u03b1 (TNF-\u03b1) was 17.9 \u00b1 1.7 pg\/mg in NP, 23.9 \u00b1 2.2 pg\/mg in RUPP, and 12.9 \u00b1 2.3 pg\/mg in RUPP + anti-ASGM1 (P&amp;lt;0.05). Depletion of NK cells significantly lowered MAP, intrauterine growth restriction, and inflammation in RUPP rats indicating that cytolytic NK cells are important in preeclampsia pathophysiology.<\/jats:p>","DOI":"10.1042\/cs20171118","type":"journal-article","created":{"date-parts":[[2017,10,18]],"date-time":"2017-10-18T00:20:12Z","timestamp":1508286012000},"page":"2753-2762","update-policy":"https:\/\/doi.org\/10.1042\/crossmark_policy","source":"Crossref","is-referenced-by-count":57,"title":["Natural killer cells mediate pathophysiology in response to reduced uterine perfusion pressure"],"prefix":"10.1042","volume":"131","author":[{"given":"Jamil","family":"Elfarra","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lorena\u00a0M.","family":"Amaral","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maggie","family":"McCalmon","sequence":"additional","affiliation":[{"name":"Department of Emergency Medicine, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeremy\u00a0D.","family":"Scott","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr","given":"Mark\u00a0W.","family":"Cunningham","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashley","family":"Gnam","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tarek","family":"Ibrahim","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Babbette","family":"LaMarca","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."},{"name":"Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Denise\u00a0C.","family":"Cornelius","sequence":"additional","affiliation":[{"name":"Department of Pharmacology and Toxicology, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."},{"name":"Department of Emergency Medicine, University of Mississippi Medical Center, 2500 N State Street, Jackson, MS 39216, U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"288","published-online":{"date-parts":[[2017,11,23]]},"reference":[{"key":"2021113010525608700_B1","first-page":"1122","article-title":"Report of the American College of Obstetricians and Gynecologists\u2019 Task Force on Hypertension in Pregnancy","volume":"122","author":"American College of O, Gynecologists, Task Force on Hypertension in P. 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