Table 2.
Description of genetically modified mouse models with subsequent variation in gene expression and studies involving those models
| sHSPs coregulation*
|
Other genes | Experimental conditions | |||
|---|---|---|---|---|---|
| Up ↑ | Down ↓ | No change | |||
| HSF1 | |||||
|
| |||||
| -KO – Hsf1tm1Ijb (1) | ND | -HSPB1 (3.3 x) | ND | HSPA1 (↓1.5 x) | -basal conditions |
| -HSPB5 (1.6 x) | |||||
| -KO – Hsf1tm1Anak (2) | ND | ND | ND | HSPA1 (↓) | -basal conditions, TAC |
| -KO – Hsf1tm1Miv (3) | ND | -HSPB1 (1.1 x) | ND | -basal conditions | |
| -TG (ΔHSF1)(4) | HSPB1 (2.2 x) | ND | ND | HSPA1 (↑1.85 x) | -basal conditions. I/R, cardiac hypertrophy (TAC, exercise) |
|
| |||||
| HSPB1 | |||||
|
| |||||
| KO – HspB1tm1Msk (5) | - | - | -HspB2,3,5,6,7,8 (mRNA) -HSPB5 | HSPA1 (no change) | -basal conditions |
| -TG(pCAGGS-hHSPB1) (6) | |||||
| TG WT (↑100 x) | -mHSPB1 (0.3 x) | ND | -HSPB5 | ND | -basal conditions, I/R (in vitro) |
| TG mut (P sites)(↑76 x) | -mHSPB1 (0.13 x) | ND | |||
| -TG(αMHC-hHSPB1) (7) | |||||
| TG 85 (↑5.87 x) | ND | HSPB1 (3 x) | HSPB5 | ND | -basal conditions, DOXO treatment |
| TG 21 (↑10.6 x) | |||||
| TG 10 (↑11.7 x) | ND | ND | ND | ND | |
|
| |||||
| HSPB5 | |||||
|
| |||||
| -TG(pCAGGS-rHSPB5) (8) | -basal conditions, I/R | ||||
| TG (↑6.9 x) | ND | ND | HSPB1 | ND | |
| -TG(αMHC-mHSPB5) (9) | -basal conditions, R120G control lines, TAC | ||||
| TG 11 (↑4.3 x) | ND | ND | ND | ND | |
| -TG(αMHC-hHSPB5) (10) | |||||
| TG (↑1.56 x) | - | HSPB1 (0.8 x) | ND | HSPA1(0.4x) | -basal conditions R120G control lines |
| - TG (αMHC-mHSPB5R120G) (9)(15) | |||||
| TG (↑ 2.5 x) | HSPB1(2.57x) HSPB8 (2.4x) |
- | - | HSPA1(↑1.35x) | -basal conditions |
| -TG(αMHC-hHSPB5 R120G) (10) | |||||
| TG (↑ 12.5 x) (6month old) | HSPB1 (3.65x) | - | - | HSPA1(↑1.33x) | -basal conditions |
| -KI HspB5R120G(11) | |||||
| -DKO with HspB2 (12) | HSPB1 (1.1 x) | ND | ND | ND | -basal conditions |
| HSPB2 and 5 (0 x) | -basal conditions, I/R, TAC | ||||
|
| |||||
| HSPB6 | |||||
|
| |||||
| TG(αMHC-hHSPB6) (13) | |||||
| TG Hsp20 WT (↑10 x) | ND | ND | HSPB1, HSPB5 | ND | -basal conditions, I/R, DOXO treatment |
| TG Hsp20S16A(↑7 x) | ND | ND | HSPB1, HSPB5 | ND | |
|
| |||||
| HSPB8 | |||||
|
| |||||
| - TG (αMHC-hHSPB8) (14) | |||||
| TG low (↑2 x), medium | HSPB1 (4.5 x) | ND | ND | HSPA1 (↑11 x) | -basal conditions, I/R |
| (↑4 x) high (↑7 x) | |||||
| -TG (αMHCtetO-HSPB8)(15) | |||||
| TG tTAxTG HSPB8 (↑2 x) | - | - | HSPB1, HSPB5 | - | -basal conditions, R120G triple TG |
| -KO - HspB8(16) | ND | ND | ND | HSPA1 (↑3 x) | -basal conditions, TAC |
References:
Qiu et al. (2011). No animal models have been published for HspB2, HspB3, HspB7.
Coregulation of sHSP level was measured under basal-normal conditions in the heart.
DOXO: exposure to doxorubicin. I/R: ischemia/reperfusion. Mut: mutant. ND: not determined. P sites: phosphorylation sites. TAC: transaortic constriction.