{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T03:27:47Z","timestamp":1789874867629,"version":"4.0.1"},"reference-count":31,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2006,7,11]],"date-time":"2006-07-11T00:00:00Z","timestamp":1152576000000},"content-version":"vor","delay-in-days":6096,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J Hematol"],"published-print":{"date-parts":[[1989,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In 24 adults with hemoglobin SS followed at the Duke University Comprehensive Sickle Cell Center, we have studied the following nutritional parameters: reduced ascorbic acid; dehydroascorbic acid; alpha and beta carotenes; cryptoxanthin; and alpha and gamma tocopherols in whole blood, washed red blood cells, plasma, or serum. In the same population we also examined reduced glutathione (GSH) and oxidized gluthathione (GSSG). Fifteen of these 24 patients also were interviewed for usual dietary intakes using a 28\u2010day dietary history. Data obtained from patients with hemoglobin SS, sickle cell anemia (SCA) were compared to those found for seven healthy normal black adults of similar age. Plasma alpha tocopherol levels were significantly lower in SCA individuals than those of the controls (<jats:italic>P<\/jats:italic>&lt; 0.004). Alpha and gamma tocopherol levels in sickle RBCs were significantly higher than those from RBC suspensions of control subjects (<jats:italic>P<\/jats:italic>&lt; 0.007, and<jats:italic>P<\/jats:italic>&lt; 0.001, respectively). All serum values for carotenoids examined, specifically, beta carotene, alpha carotene, and cryptoxanthin were also markedly depressed when compared to those of healthy controls (<jats:italic>P<\/jats:italic>&lt; 0.001,<jats:italic>P<\/jats:italic>&lt; 0.002, and<jats:italic>P<\/jats:italic>&lt; 0.001, respectively). No other statistically significant differences were found between the two groups for any of the remaining variables, including dietary estimates. Dietary analyses suggest that dietary intakes of SCA individuals exceeded the recommended daily allowances (RDA) of all macro\u2010 and micronutrients measured, and intakes of most nutrients exceeded those of black controls interviewed. These results suggest that in individuals with SCA, several micronutrients vital to maintaining reducing capacity are present in diminished quantities in plasma\/serum. These anomalies exist in SCA patients even though their intake of these micronutrients are similar to those of healthy black men and women.<\/jats:p>","DOI":"10.1002\/ajh.2830320302","type":"journal-article","created":{"date-parts":[[2007,2,21]],"date-time":"2007-02-21T11:57:56Z","timestamp":1172059076000},"page":"161-166","source":"Crossref","is-referenced-by-count":21,"title":["Selected indices of micronutrient status in adult patients with sickle cell anemia (SCA)"],"prefix":"10.1002","volume":"32","author":[{"given":"C. C.","family":"Tangney","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Phillips","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. 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