Survival of encapsulated islets: More than a membrane story

Table 1 Characteristics of effectors involved in immune rejection of transplanted islets, and of molecular chaperones involved in transporting key nutrients to the transplanted islets

Effector	Molecular weight, kDa	Crystal dimensions, nm	Hydrodynamic radius, nm	Ref.
IgG	150	15 × 6 × 2	5.4	[32-36]
IgM	> 900	30 × 13	12.7	[35,213]
C1q	> 400	30 × 33	12.8	[28-31]
Transferrin	80	5 × 10	3.7	[37,38]