Skip to main content
. 2010 Nov 15;117(4):1228–1238. doi: 10.1182/blood-2010-05-287821

Table 1.

A comparison of phenotypes observed in mTOR compromised mice (neo-containing mTOR KI; reduced mTOR protein levels) and neo-less mTOR KI mice (KIneo−; normal mTOR protein levels) relative to phenotypes seen in WT mice*

Phenotype mTOR KI mTOR KIneo−
Body size Reduced by 30% Normal
Organ sizes Spleens much smaller Spleens normal
Cell sizes Reduced Normal
mTOR protein levels Reduced by 70% Normal
RAPTOR protein levels Decreased Normal
RICTOR protein levels Decreased Normal
DEPTOR protein levels Slightly increased Normal
mTORC1 target pS6K Decreased Normal
mTORC1 target p4EBP1 Decreased (BM) Decreased (BM)
mTORC2 target pAKTSer473 Decreased Normal
mTORC1 target pS6K activated T cells Decreased Normal
mTORC1 target pS6K activated B cells Decreased Normal
mTORC1 target pS6K insulin-stimulate MEFs Decreased Not tested
mTORC2 target pAKT activated T cells Decreased Normal
mTORC2 target pAKT activated B cells Increased Normal
mTORC2 target pAKT insulin-stimulated MEFs Decreased Not tested
Thymic T cells Reduced Normal
Splenic T cells Reduced/fewer memory Normal
LN T cells Reduced Normal
Proliferation rates of splenic T cells Reduced/defective Normal
BM B cells Reduced/partial block Normal
Splenic B cells Reduced/fewer T1, MZ, FO Normal
LN B cells Reduced Normal
Proliferation/survival splenic B cells Reduced/defective Normal
Antibody production Reduced Normal
BM Gr1+ cells Normal Not tested
Splenic Gr1+ cells Decreased Not tested
BM Mac-1+ cells Normal Not tested
Splenic Mac-1+ cells Decreased Not tested
T-cell migration in spleen, SDF, TECK Decreased Not tested
T-cell migration in spleen, MIP3B Normal Not tested
B-cell migration in spleen, SDF, S1P Decreased Not tested
Neutrophil migration in BM, fMLP Normal Not tested
*

See supplemental Figure 11.

The mTORC1 downstream target 4EBP1 showed decreased phosphorylation in the BM of KIneo− mice and represents the only observed phenotype attributable to the 628C allele.