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Table 2 Total amino acids, agmatine, and polyamines in uterine flushings (μg)

From: Pre-implantation exogenous progesterone and pregnancy in sheep: I. polyamines, nutrient transport, and progestamedins

  Effect
  Day 9 Day 12
Nutrient CO P4 CO P4
Amino Acid
 Alanine 5 ± 1.5a 7.2 ± 1.9a 8.6 ± 2.2a 17.8 ± 1.4b
 β-Alanine 0.2 ± 0.04 0.4 ± 0.2 0.4 ± 0.1 0.5 ± 0.2
 Arginine 2.5 ± 1.3 4.1 ± 1.8 7.2 ± 2.2 8.3 ± 3.8
 Asparagine 1.5 ± 0.5a 1.8 ± 0.6ab 4.2 ± 1ab 5.2 ± 0.6b
 Aspartate 2.2 ± 0.5ab 1.6 ± 0.3a 4.1 ± 0.8b 4.2 ± 0.5ab
 Citrulline 0.7 ± 0.2 3.4 ± 1.6 3.7 ± 1.1 1.8 ± 1.2
 Glutamate 17.5 ± 3.6ab 8.8 ± 1.3a 23.8 ± 3.5b 29.1 ± 3.5b
 Glutamine 3.1 ± 1 3.7 ± 1.5 11.5 ± 2.7 12.1 ± 2.3
 Glycine 65.6 ± 21.4 81.5 ± 16.4 76.6 ± 14.8 59 ± 4.8
 Histidine 0.8 ± 0.4 1.4 ± 0.6 2.1 ± 0.5 2.4 ± 0.9
 Isoleucine 2 ± 1.8ab 1.5 ± 0.2a 1.5 ± 0.2a 3.1 ± 0.4b
 Leucine 6 ± 1.8 3.7 ± 1.1 6.6 ± 1.2 9.1 ± 1.2
 Lysine 6 ± 2 2.8 ± 0.6 5.2 ± 1.5 10.9 ± 2.7
 Methionine 1.4 ± 0.6 1.1 ± 0.5 2 ± 0.6 3.4 ± 1
 Ornithine 0.2 ± 0.06a 0.4 ± 0.1ab 0.5 ± 0.1ab 0.9 ± 0.2b
 Phenylalanine 2.7 ± 0.9 1.9 ± 0.5 1.9 ± 0.4 3.5 ± 1
 Serine 12 ± 3.6a 41.1 ± 12.2b 41.4 ± 10.1b 52.9 ± 13.1b
 Taurine 20 ± 8.3 18.3 ± 4.4 23 ± 5.7 25.5 ± 0.7
 Threonine 3.4 ± 1.4 6.7 ± 1.7 13.4 ± 3.8 12.4 ± 3.9
 Tryptophan 0.7 ± 0.4 1.3 ± 0.4 1.6 ± 0.3 1.4 ± 0.7
 Tyrosine 1.7 ± 0.8 1.3 ± 0.4 1.2 ± 0.2 2.9 ± 1.3
 Valine 10 ± 3.4 5.6 ± 1.4 6.1 ± 1.1 5.8 ± 0.6
Agmatine and polyamines
 Agmatine 0.1 ± 0.04 0.04 ± 0.01 0.08 ± 0.02 0.02 ± 0.0001
 Putrescine 1.1 ± 0.5 0.8 ± 0.4 1.1 ± 0.3 0.1 ± 0.03
 Spermidine 0.9 ± 0.4 0.8 ± 0.4 1.3 ± 0.3 0.1 ± 0.03
 Spermine 1.2 ± 0.6 2 ± 1.2 2.3 ± 0.7 1.1 ± 0.8
  1. Values represent means ± SEM
  2. Different superscripts within Effect columns are significantly different (P < 0.05)
  3. Only uterine flushings from ewes which were considered pregnant with normally developed conceptuses were utilized for these analyses