Virtual Cell Virtual Cell WebsiteSchool of Health Sciences WebsitePurdue University Website
About the Virtual CellDownload VCExamplesTheoryUser ManualHelpExecute VC Simulation
RMR Model Input File #3
Sample Input Files

Tip: Comments are indicated in blue.  For additional details, click on the keywords highlighted in green. Reasonable default values are specified for all model inputs.

/*
RMR Model Sample Input File: Radiosensitivity parameters correspond to an alpha/beta ratio of 11.43 Gy. The half-time for DSB repair is 1.0 hour. The entire cell population is actively dividing (exponential growth kinetics), i.e.,
GF=1.  In addition to the radiation damage, endogenous processes are presumed to create 4.33E-03 DSB/cell-hour.
*/
   MODEL: DRM=RMR CKM=QECK         !Model Specification
   CELL: DNA=5.667D+09 NC=46
   ENDO: DSB=4.3349E-03                      !Endogenous DNA damage
   IRAD: DSB=25                                     !Radiation damage to DNA
   CLRP: RHT=1.0 ETA=1.50E-04 PHI= 0.01 A0=0.25 GAM=0.25
   CCKM: TCC=10 TPOT=20 GF=1.0 N0=1 KAP=1.0D+38 VOL=1
   RBM: KX=6.0E+06 FMAX=1   !Analysis of PFGE data

 ! Genome instability and cell transformation
   GIMP: PGA=4.2868541E-05 PGH=0.1 NCG=1000 NCM=1
   NEO: TFS=1.1308766E-05 TFU=2.0E-03 TMAX=42 TSTP=1

!  Generate a synthetic dataset (add white noise to model-predicted responses).  The -n
!  command line option must be used to add noise to the predicted responses.
   NOISE: rerr=0.1 rngs=987654321

!  Parameters that impact on solution accuracy

   SOLVER: DBLV=2 ETOL=1.0E-09 MXSS=999999 HMAX=10

!  Parameters that control the time steps and stopping criteria
   SIMCON: FSDX=1 TSAX=5 TCUT=100 FRDL=1.0D+00 RCUT=1.0D-09

/*
  In this example, the dose rate decreases exponentially with a half-life
  of 1443.36 h (= half-life for 125I).  The dose rate function is truncated
  at 2886.72 h (2X the value of RHL). The baseline 1 Gy scenario is
  rescaled so that the dose delivered in 2886.72 h equals 140,
  145, or 150 Gy.  A relatively small step tolerance (STOL) is used
  so that  the shape of the dose rate function is very similar to a
  true exponential. Values for STOL in the range from about 0.05 to
  1E-03 should be adequate for most biological simulations.

  NOTE: See the
table of selected radioisotope half-lives for other
  radioisotopes.

*/

   DECAY: TAD=1 RHL=1443.36 TCUT=2886.72 STOL=1.0D-02 SAD=RX1
   RX1= 140 145 150 /    !Array of delivered doses (Gy)


School of Health Sciences
Purdue University
Disclaimer

Last updated: 10 June, 2011
Webmaster