Comparisons of KRAS mutation spectrum in LMRICS samples
Study . | No. mutated (%) . | AA . | Count . | % of Total . | % of Mutated . | |||||
---|---|---|---|---|---|---|---|---|---|---|
LMRICS lung cancer (n = 116) | 32 (27.6%) | Cys | 21 | 18.1 | 65.6 | |||||
Ser | 6 | 5.2 | 18.8 | |||||||
Val | 3 | 2.6 | 9.4 | |||||||
Asp | 1 | 0.9 | 3.1 | |||||||
Ala | 1 | 0.9 | 3.1 | |||||||
Lung cancer (other studies) (n = 1396) | 336 (24.1%) | Cys | 141 | 10.1 | 42.0 | |||||
Asp | 80 | 5.7 | 23.8 | |||||||
Val | 71 | 5.1 | 21.1 | |||||||
Ala | 17 | 1.2 | 5.1 | |||||||
Ser | 12 | 0.9 | 3.6 | |||||||
Arg | 13 | 0.9 | 3.9 | |||||||
Phe | 2 | 0.1 | 0.6 | |||||||
Siegfried et al. (Ref. 7) (n = 181) | 57 (31.5%) | Cys | 28 | 15.5 | 49.1 | |||||
Val | 12 | 6.6 | 21.0 | |||||||
Asp | 8 | 4.4 | 14.0 | |||||||
Ala | 5 | 2.8 | 8.8 | |||||||
Arg | 3 | 1.6 | 5.2 | |||||||
Phe | 1 | 0.6 | 1.8 | |||||||
Significantly fewer serine substitutions (P = 0.002, Fisher’s exact test) | ||||||||||
Rodenhuis and Slebos (Ref. 12) (n = 280) | 45 (16.1%) | Cys | 25 | 8.9 | 55.6 | |||||
Asp | 10 | 3.6 | 22.2 | |||||||
Val | 7 | 2.5 | 15.6 | |||||||
Ala | 2 | 0.7 | 4.4 | |||||||
Arg | 1 | 0.4 | 2.2 | |||||||
Significantly fewer serine substitutions (P = 0.004, Fisher’s exact test) | ||||||||||
Silini et al. (Ref. 13) (n = 109) | 32 (29.4%) | Cys | 15 | 13.8 | 46.9 | |||||
Val | 7 | 6.4 | 21.9 | |||||||
Ala | 5 | 4.6 | 15.6 | |||||||
Asp | 5 | 4.6 | 15.6 | |||||||
Significantly fewer serine substitutions (P = 0.024, Fisher’s exact test) | ||||||||||
Keohavong et al. (Ref. 8) (n = 173) | 42 (24.3%) | Cys | 13 | 7.5 | 31.0 | |||||
Asp | 12 | 6.9 | 28.6 | |||||||
Val | 12 | 6.9 | 28.6 | |||||||
Arg | 2 | 1.2 | 4.8 | |||||||
Ser | 2 | 1.2 | 4.8 | |||||||
Phe | 1 | 0.6 | 2.4 | |||||||
No statistical difference in number of serine substitutions (P = 0.07, Fisher’s exact test) | ||||||||||
Rosell et al. (Ref. 20) (n = 275) | 52 (18.9%) | Val | 14 | 5.1 | 26.9 | |||||
Asp | 13 | 4.7 | 25.0 | |||||||
Cys | 10 | 3.6 | 19.2 | |||||||
Ser | 8 | 2.9 | 15.4 | |||||||
Arg | 6 | 2.2 | 11.5 | |||||||
Ala | 1 | 0.4 | 1.9 | |||||||
No statistical difference in number of serine substitutions (P = 0.77, Fisher’s exact test) | ||||||||||
Other cancers (non-lung) (n = 321) | 163 (50.8%) | Val | 39 | 12.1 | 23.9 | |||||
Asp | 33 | 10.3 | 20.2 | |||||||
Ser | 22 | 6.9 | 13.5 | |||||||
Cys | 21 | 6.5 | 12.9 | |||||||
Ala | 18 | 5.6 | 11.0 | |||||||
Arg | 2 | 0.6 | 1.2 | |||||||
Unknown/other | 29 | 9.0 | 17.8 |
Study . | No. mutated (%) . | AA . | Count . | % of Total . | % of Mutated . | |||||
---|---|---|---|---|---|---|---|---|---|---|
LMRICS lung cancer (n = 116) | 32 (27.6%) | Cys | 21 | 18.1 | 65.6 | |||||
Ser | 6 | 5.2 | 18.8 | |||||||
Val | 3 | 2.6 | 9.4 | |||||||
Asp | 1 | 0.9 | 3.1 | |||||||
Ala | 1 | 0.9 | 3.1 | |||||||
Lung cancer (other studies) (n = 1396) | 336 (24.1%) | Cys | 141 | 10.1 | 42.0 | |||||
Asp | 80 | 5.7 | 23.8 | |||||||
Val | 71 | 5.1 | 21.1 | |||||||
Ala | 17 | 1.2 | 5.1 | |||||||
Ser | 12 | 0.9 | 3.6 | |||||||
Arg | 13 | 0.9 | 3.9 | |||||||
Phe | 2 | 0.1 | 0.6 | |||||||
Siegfried et al. (Ref. 7) (n = 181) | 57 (31.5%) | Cys | 28 | 15.5 | 49.1 | |||||
Val | 12 | 6.6 | 21.0 | |||||||
Asp | 8 | 4.4 | 14.0 | |||||||
Ala | 5 | 2.8 | 8.8 | |||||||
Arg | 3 | 1.6 | 5.2 | |||||||
Phe | 1 | 0.6 | 1.8 | |||||||
Significantly fewer serine substitutions (P = 0.002, Fisher’s exact test) | ||||||||||
Rodenhuis and Slebos (Ref. 12) (n = 280) | 45 (16.1%) | Cys | 25 | 8.9 | 55.6 | |||||
Asp | 10 | 3.6 | 22.2 | |||||||
Val | 7 | 2.5 | 15.6 | |||||||
Ala | 2 | 0.7 | 4.4 | |||||||
Arg | 1 | 0.4 | 2.2 | |||||||
Significantly fewer serine substitutions (P = 0.004, Fisher’s exact test) | ||||||||||
Silini et al. (Ref. 13) (n = 109) | 32 (29.4%) | Cys | 15 | 13.8 | 46.9 | |||||
Val | 7 | 6.4 | 21.9 | |||||||
Ala | 5 | 4.6 | 15.6 | |||||||
Asp | 5 | 4.6 | 15.6 | |||||||
Significantly fewer serine substitutions (P = 0.024, Fisher’s exact test) | ||||||||||
Keohavong et al. (Ref. 8) (n = 173) | 42 (24.3%) | Cys | 13 | 7.5 | 31.0 | |||||
Asp | 12 | 6.9 | 28.6 | |||||||
Val | 12 | 6.9 | 28.6 | |||||||
Arg | 2 | 1.2 | 4.8 | |||||||
Ser | 2 | 1.2 | 4.8 | |||||||
Phe | 1 | 0.6 | 2.4 | |||||||
No statistical difference in number of serine substitutions (P = 0.07, Fisher’s exact test) | ||||||||||
Rosell et al. (Ref. 20) (n = 275) | 52 (18.9%) | Val | 14 | 5.1 | 26.9 | |||||
Asp | 13 | 4.7 | 25.0 | |||||||
Cys | 10 | 3.6 | 19.2 | |||||||
Ser | 8 | 2.9 | 15.4 | |||||||
Arg | 6 | 2.2 | 11.5 | |||||||
Ala | 1 | 0.4 | 1.9 | |||||||
No statistical difference in number of serine substitutions (P = 0.77, Fisher’s exact test) | ||||||||||
Other cancers (non-lung) (n = 321) | 163 (50.8%) | Val | 39 | 12.1 | 23.9 | |||||
Asp | 33 | 10.3 | 20.2 | |||||||
Ser | 22 | 6.9 | 13.5 | |||||||
Cys | 21 | 6.5 | 12.9 | |||||||
Ala | 18 | 5.6 | 11.0 | |||||||
Arg | 2 | 0.6 | 1.2 | |||||||
Unknown/other | 29 | 9.0 | 17.8 |