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. 2021 Oct 19;11(10):1546. doi: 10.3390/biom11101546

Table A14.

Additional hand-searched animal studies; abbreviations: WT: wild type, Tg: transgenic, B-vit. def.: deficiency in B-vitamins (and related substances), Met suppl.: supplementation of L-methionine, CBS: cystathionine β-synthase, MTHFR: methylenetetrahydrofolate reductase, GAA: guanidinoacetate.

Strategy to Induce HHCys
Diet/Drinking Water Injection Genetic Manipulation Maternal HHCys Impact Others Investigated Biological Matrix
Publication Animal Species B-vit. def. Met suppl. HCys suppl. Others HCys Others CBS MTHFR Others Blood Levels (µM): ↑HCys vs. Control/Baseline Data (Where Applicable) Plasma Serum Brain Tissue CSF Urine Liver Tissue
[305] mouse 6.5 vs. 5.1 1 (offspring)
[85] mouse 243.7 vs. 4.6 (B-vit. def.);
86 vs. 4.6 (B-vit. def. + Met suppl.)
[306] mouse 349 vs. n.a.
[307] pig 72.33 vs. 10.53
[308] rat 34.1 vs. 15.1
[309] mouse 383.6 vs. n.a.
[310] mouse 19 vs. 10 (genetic);
16 vs. 10 (diet, WT);40 vs. 19 (diet, Tg) 1
[311] rat 45 vs. 15 (Met suppl.);
65 vs. 15 (GAA) 1
[312] mouse 9 vs. 1.5 1
[313] mouse 51.8 vs. 3.0 (Met suppl.);
21.4 vs. 3.0 (HCys suppl.)
[95] rat 140 vs. 20 (diet);
68 vs. 15 (injection) 1
[314] mouse 3.8 vs. 3.7 (genetic);
40.7 vs. 3.7 (diet, WT);
140.3 vs. 6.8 (diet, Tg)
[315] mouse 23.5 vs. 4.1
[209] mouse 4.0 vs. 3.38
[86] mouse 4.5 vs. 3 (genetic);
4.4 vs. 3 (Met suppl., WT);
8.4 vs. 3 (B-vit. def., WT);
9.5 vs. 3 (Met suppl. + B-vit. def., WT) 1
[316] rabbit 20.3 vs. 12.3
[317] mouse 242 vs. 13
[318] mouse 8.2 vs. 4.0
[319] mouse 53.6 vs. 9.46 (Met suppl.);
51.4 vs. 9.46 (HCys suppl.)
[107] mouse 24.5 vs. 2.6
[320] rat 19.5 vs. 6.15
[321] rat 500 vs. n.a.
[322] mouse 8.3 vs. 5.0 (genetic);
17.2 vs. 5.0 diet, WT);
21.2 vs. 17.2 (diet, Tg)
[323] mouse 6.3 vs. 4.1 (genetic);
13.0 vs. 4.1 (diet, WT);
23.9 vs. 6.3 (diet, Tg)
[88] rat 15.5 vs. 10.5 1
[89] rat 23.6 vs. 11.0
[324] monkey 10.6 vs. 4.0
[325] mouse 13.5 vs. 6.1 (heterozygous);
203.6 vs. 6.1 (homozygous)
[326] monkey 157 vs. 1

1: Estimated from graph; levels not exactly reported in the study.