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Table 1 Effect of sex hormones and spaying/neutering on liver and plasma lipids of healthy cats (means ± SD)

From: Sex specific differences in hepatic and plasma lipid profiles in healthy cats pre and post spaying and neutering: relationship with feline hepatic lipidosis

  Liver Plasma
Group 1 Group 2 Group 3 Group 4 Group 1 Group 2 Group 3 Group 4
Male intact (n = 6) Male neutered (n = 6) Female intact (n = 6) Female spayed (n = 6) Male intact (n = 6) Male neutered (n = 6) Female intact (n = 6) Female spayed (n = 6)
Total TAG1
 (nmol/mg prot) 51 ± 35 58 ± 45 99 ± 70 78 ± 52     
 (mmol/l)      0.22 ± 0.05abc 0.30 ± 0.10 abc 0.15 ± 0.03 ac 0.14 ± 0.05 ac
TAG 56:6/72 (%) 0.6 ± 0.2 0.8 ± 0.4 0.7 ± 0.1 b 0.5 ± 0.1b 0.7 ± 0.3 0.8 ± 0.3 0.8 ± 0.2 0.7 ± 0.2
TAG unsat/sat3 1.0 ± 0.3 1.1 ± 0.4 1.1 ± 0.4 0.8 ± 0.3 1.8 ± 0.4 1.8 ± 0.2 2.0 ± 0.6 1.8 ± 0.4
Cholesterol (rel. Units) 13.1 ± 1.7 14.2 ± 1.3 15.3 ± 1.6 13.6 ± 2.0 8.9 ± 0.7 9.9 ± 1.2 9.3 ± 1.1 9.0 ± 0.6
Cholesterol ester (rel. Units) 7.8 ± 2.9 7.6 ± 2.6 10.3 ± 4.6 9.1 ± 3.0 61 ± 8 62 ± 10 56 ± 6 59 ± 3
Total PC4
 (nmol/mg prot) 24.2 ± 3.8 24.1 ± 3.2 27.5 ± 3.1 24.1 ± 2.3     
 (mmol/l)      0.16 ± 0.02 0.17 ± 0.03 0.15 ± 0.03 0.15 ± 0.03
SM5 16:0 (% of PC) 3.8 ± 0.8 3.8 ± 0.5 3.4 ± 0.9 3.9 ± 0.8 7.4 ± 0.7 6.9 ± 0.5 7.4 ± 0.7 7.5 ± 1.1
  1. 1. TAG = triacylglycerol
  2. 2. TAG 56:6/7 = TAG containing relative long unsatured acyl chains
  3. 3. TAG unsat/sat = the ratio between TAG with 5 or 6 double bonds versus 2 or 3 double bonds
  4. 4. PC = phosphatidylcholine
  5. 5. SM = sphingomyelin (SM)
  6. a P < 0.05 male vs female (gender)
  7. b = P < 0.05 intact vs spayed/neutered (time)
  8. c = P < 0.05 interaction between gender and time