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For both groups, the abundance of zinc transporter mRNA did not significantly differ at baseline. After 23 days of zinc supplementation, there was a significant decrease in mean mRNA abundance of ZIP4 (P = 0.036) and ZIP8 (P = 0.038) (Fig. 1). However, the mean expression of ZnT1, ZIP3, and MT1 mRNAs did not change significantly between the two time points, with P-values ranging from 0.10 for ZnT1 to 0.41 for ZIP3. In the placebo group, there was no difference (between baseline and endpoint) in mRNA abundance for any zinc transporter or for MT1 (Fig. 1). Likewise, there was no significant correlation (P = 0.18�C0.97) between plasma zinc and the mRNA abundance of any of the individual zinc transporters or MT1 after zinc supplementation. Figure 1 Comparison of zinc transporters and MT1 mRNA abundance from PBMCs at baseline and following 23 days of 20 mg Zn/d or placebo to adult women in rural Sidama southern Ethiopia (paired samples n = 6�C9). (A) Placebo group (Cyclophilin [http://www.selleckchem.com/products/pexidartinib-plx3397.html Pexidartinib cost] B, Mean Cq = ... Plasma and urine zinc and CRP concentrations Plasma zinc was analyzed at baseline and endpoint (Table 4). At baseline, for all participants, plasma zinc concentration ranged from 538 to 928 ��g/L (n = 47). From these, 46.8% (54.2% in the zinc group [n = 24] and 39.0% in the placebo group [n = 23]) exhibited plasma zinc concentrations below 700 ��g/L, the suggested lower cut-off for assessing adequacy of zinc status.26 Despite the random assignment of participants to each treatment group, plasma (P = 0.038) and urinary (P = 0.02) zinc concentrations were higher in the placebo group at baseline. There was not a significant difference in the placebo group [http://www.selleckchem.com/products/BKM-120.html BKM120 supplier] between baseline and the end of the 23-day supplementation for plasma (P = 0.31) or urine (P = 0.07). However, within the zinc-supplemented group, there was a significant increase in both plasma (P [https://en.wikipedia.org/wiki/Diosmetin Diosmetin] Ethiopia after 23 days of placebo or zinc supplementation. Concentrations of plasma hsCRP between and within groups were not significantly different at either baseline or endpoint. Fewer than 9% of woman at either time point had slightly elevated hsCRP concentrations (4�C9.5 mg/L) but omitting these women had no effect on plasma and urinary zinc. Discussion Zinc has been recognized as an important micronutrient for many different functions in the human body. However, more than 50 years after recognition of the importance of zinc for humans, a sensitive and specific biomarker to assess zinc status has not been identified.29,30 Indeed, there are a variety of measures currently used by investigators to assess an individual��s zinc status.