Emerging Roles of TACE as a Key Protease in ErbB Ligand Shedding

Table 1.

Members of the Erbb Ligand Family Shed by Metalloproteinases

ErbB Ligand Precursors Ligand Binding Specificity Candidate Metalloproteinase Data Implicating Metalloproteinase(s) in ErbB Ligand Shedding References
AR, amphiregulin; MMP, matrix metallproteinase
aras- and myc-transformed embryonic fibroblasts
b ADAM10 antisense strategy did not directly examine HB-EGF processing.
cprotease-inactive.
d NRG-1 isoforms
Amphiregulin ErbB1 ADAM17/TACE Loss of AR processing in Tace ΔZn/ΔZn fibroblastsa and restoration by TACE overexpression (16)
TGFα ErbB1 ADAM17/TACE Loss of TGFα processing in Tace ΔZn/ΔZn keratinocytes and restoration by TACE overexpression (16)
In vitro cleavage of soluble proTGFα and TGFα peptides
Loss of TPA-induced TGFα processing in Tace ΔZn/ΔZn fibroblastsa (24)
Loss of TGFα processing in Tace ΔZn/ΔZn fibroblastsa (17)
In vitro cleavage of TGFα juxtamembrane peptide
HB-EGF ErbB1, ErbB4 ADAM9/Meltrinγ Overexpression of ADAM9 and mutants in Vero cells (44)
ADAM10/Kuzbanian Antisense inhibited the lipoteichoic acid- (LTA)-induced transactivation of ErbB1 in NCIH292 cellsb (43)
ADAM12/Meltrinα Overexpression of ADAM12 and inactive mutantsc in HT1080 cells (42)
ADAM17/TACE Loss of HB-EGF processing in Tace ΔZn/ΔZn fibroblastsa and restoration by TACE overexpression (16)
Loss of TPA-induced HB-EGF processing in Tace ΔZn/ΔZn fibroblastsa (24)
MMP-3 In vitro cleavage of HB-EGF-AP chimera with MMP-3 (45)
MMP-7 In vitro cleavage of HB-EGF with recombinant MMP-7 (46)
Neuregulinα2cd ErbB3, ErbB4 ADAM17/TACE Loss of TPA-induced NRGα2c processing in Tace ΔZn/ΔZn fibroblastsa restoration by TACE overexpression (25)
Neuregulinβ1 and β4c ErbB3, ErbB4 ADAM19 Overexpression of ADAM19 and inactive mutantsc (47)

This Article

  1. MI June 2002 vol. 2 no. 3 136-141