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. 2012 Dec 15;11:419. doi: 10.1186/1475-2875-11-419

Table 1.

Parameters and variables

Parameter name Value in simulations Variable name Quantity measured
nPfEMP1
300-1000
tasexual
Time remaining in current asexual cycle
nminor
20-100
Ni
Number of IRBCs of type i
nMSP
4-100
Xi
Density of IRBCs of type i per μL
X50,innate
1000/μL
Ycapacity,f(i)
Non-dimensional capacity to mount antibody response to variant f(i)
τinnate
0.5 days
Yantibody,f(i)
Non-dimensional antibody response to variant f(i)
kfever
2 C
Yinnate
Non-dimensional level of inflammatory cytokines
X50,antibody
10/μL
Yfever
Fever in degrees C
τcapacity
10 days
YMSP,j
Adaptive immune response to MSP variant j
kantibodymin
0.01
Ni+j,i
Number of IRBCs of type i with progeny expressing type i + j
kminormod
0.5
ZMS
Success probability of merozoite invasion
Cinnate
0.2
Ngametocytes,i
Number of gametocytes of stage i
Cantibody
1.5
Xgametocytes,mature
Mature female gametocytes per μL
cminormod
0.3
Pkill,i
Probability of clearing IRBC of type i
τabdecay
20 days
Pinfect
Probability of successfully infecting mosquito
Ymemory
Varies up to 0.3
 
 
KMSP
0.02
 
 
Kantigen
5e-9
 
 
nantigenswitch
7
 
 
kgametocyte
0.1
 
 
Cmerozoite
0.5
 
 
NIRBCmerozoites
16
 
 
Tasexual
2 days
 
 
Zsuccess
0.01
 
 
Ygam,50 0.05