Table 1 Comparison of mean production rates of H2S from homogenates of rat liver, rat intrauterine tissues and human placenta (nM/min/g) in the presence and absence (control) of 10 mM L-cysteine.
From: The endogenous production of hydrogen sulphide in intrauterine tissues
Tissue | Treatment | H2S production rate (nM/min/g) | Significance | ||
|---|---|---|---|---|---|
| Â | Â | Mean | SD | n | Â |
Rat liver | Control | 4.0 | 3.5 | 4 | Â |
| Â | L-cysteine | 777 | 163 | 4 | P < 0.05 |
Rat uterus | Control | 0 | 0 | 4 | Â |
| Â | L-cysteine | 168 | 100 | 4 | P < 0.05 |
Rat placenta | Control | 0 | 0 | 4 | Â |
| Â | L-cysteine | 11.1 | 4.7 | 4 | P < 0.05 |
Rat fetal membranes | Control | 0 | 0 | 4 | Â |
| Â | L-cysteine | 22.3 | 15.0 | 4 | P < 0.05 |
Human placenta | Control | 0 | 0 | 4 | Â |
| Â | L-cysteine | 200 | 102 | 4 | P < 0.05 |