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Table 1 Basal secretion (mean ± standard deviation) of prostaglandin (PG)E2, PGF and connective tissue growth factor (CTGF) from equine endometrium in mid-luteal phase and follicular phase of the estrous cycle at different stages of endometrosis. Superscript letters indicate significant differences between different stages of endometrosis within each phase of estrous cycle

From: Lysophosphatidic acid as a regulator of endometrial connective tissue growth factor and prostaglandin secretion during estrous cycle and endometrosis in the mare

  mid-luteal phase of estrous cycle
Category according to Kenney and Doig I II A II B III
PGE2 (ng/g tissue) 408.54 ± 42.04a 1116 ± 405.1b 1201 ± 111.5b 2090 ± 211.4c
PGF (ng/g tissue) 1590 ± 222.1a 1895 ± 311.4a 2907 ± 567.4b 1865 ± 401.1a
CTGF (ng/g tissue) 8.148 ± 3.27a 6.563 ± 0.864a 6.076 ± 4.007a 6.123 ± 1.511a
  follicular phase of estrous cycle
PGE2 (ng/g tissue) 1460 ± 494.9a 2374 ± 385.3ab 1657 ± 365.1a 4296 ± 2307b
PGF (ng/g tissue) 1310 ± 225.2a 1586 ± 285.6ab 2245 ± 636.8ab 3237 ± 1793b
CTGF (ng/g tissue) 5.717 ± 3.534a 4.510 ± 1.300a 7.399 ± 3.692a 4.710 ± 1.001a