Abstract
The purpose of the present study was to specify a role of inflammatory mediators in pathogenesis of various types of anemia in pregnant obese women. We determined IL-1, IL-6, TNFα, C-reactive protein and hepcidin concentrations in blood serum of pregnant women with obesity depending on the type of anemic syndrome, either iron-deficiency anemia, or anemia of chronic diseases. We showed that the content of IL-6 in blood of the obese women exceeds the value of this index in healthy pregnant women (p < 0.05), and it does not depend on the presence and type of anemic syndrome. We found that the C-reactive protein concentration in pregnant women with obesity is higher than reference values (p < 0.05). Moreover, the contents of C-reactive protein in blood serum of pregnant women with anemia of chronic diseases is significantly higher (p < 0.05) than in women with iron deficiency anemia. Hepcidin concentration in blood of pregnant women with obesity and anemia of chronic disease was a specific feature: its content was significantly higher than in healthy pregnant women (p < 0.05), or in pregnant women with anemia-free obesity (p < 0.05). Hepcidin levels also exceeded 2-fold its contents in serum from pregnant women with obesity and iron deficiency anemia (p < 0.05). We have found that only pregnant women with obesity and anemia of chronic diseases have shown a positive correlation between the concentrations of C-reactive protein and blood levels of hepcidin (r = 0.733, p < 0.05), or IL-6 (r = 0.679, p < 0.05).The discussion concerns potential mechanisms of evolving anemia of chronic disease combined with subclinical inflammation in pregnant women with metabolic disorders. We conclude that a combination of obesity with gestational diabetes is a risk factor of anemia of chronic diseases in pregnant women. Development of an algorithm for differential diagnosis of iron deficiency anemia and anemia of chronic diseases in this cohort of patients is advisable for future studies in the area.
Highlights
Проведение исследований по установлению механизмов развития анемического синдрома у беременных на сегодняшний день актуально по ряду причин
Note. *, the differences are significant against similar indexes of healthy pregnant women (р < 0.05); **, against pregnant women with obesity without anemia; #, against pregnant women with obesity and iron deficiency anemia
Saprina T.V., PhD, MD (Medicine), Associate Professor, Professor, Department of Endocrinology and Diabetology, Siberian State Medical University, Tomsk, Russian Federation
Summary
ЗНАЧЕНИЕ ОПРЕДЕЛЕНИЯ МАРКЕРОВ ВОСПАЛЕНИЯ У БЕРЕМЕННЫХ С АНЕМИЧЕСКИМ СИНДРОМОМ И ОЖИРЕНИЕМ. Прохоренко Т.С., Зима А.П., Саприна Т.В., Мусина Н.Н., Шахманова Н.С., Васильева О.А., Новицкий В.В. Проведено определение концентрации IL-1, IL-6, TNFα, С-реактивного белка и гепсидина в сыворотке крови беременных с ожирением в зависимости от вида анемического синдрома: при железодефицитной анемии и анемии хронических заболеваний. Что содержание IL-6 в крови у женщин с ожирением превышает значение данного показателя у здоровых беременных (p < 0,05) и не зависит от наличия анемического синдрома либо его вида. При этом содержание С-реактивного белка в сыворотке крови беременных с анемией хронических заболеваний достоверно выше (p < 0,05), чем у женщин с железодефицитной анемией. Только в группе беременных с ожирением и анемией хронических заболеваний была выявлена положительная корреляционная связь концентрации С-реактивного белка с уровнем в крови гепсидина (r = 0,733, p < 0,05) и IL-6 (r = 0,679, p < 0,05).
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