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Table 1 Polar body extrusion (mean ± SD) in GV oocytes injected with miR-130b precursor, miR-130b inhibitor or scramble miRNA and uninjected groups

From: MicroRNA-130b is involved in bovine granulosa and cumulus cells function, oocyte maturation and blastocyst formation

Treatment groups No. of oocytes First polar body extrusion (%)
miR-130b precursor 356 86.6 ± 3.7a
miR-130b inhibitor 489 72.8 ± 5.9b
Scrambled 488 83.9 ± 3.5a, c
Uninjected 396 80.1 ± 4.0c
  1. Different letters of superscripts in the same column indicate significant difference (P ≤ 0.05) between treatment groups. GV Germinal vesicle, SD standard deviation