//CHEMESIS2.0 //pumpsoma-axon5.g /* include current to compartment to decrease hyperpolarization * initialized ncx with lower V to decrease total ncx effect * increase cytleak by 2% */ /* model of phototransduction at level of stochastic activation of rhodopsin ** and mass action enzyme reactions from G protein activation ** to ip3 production. Includes calcium release and light induced Na current. */ include bcell-const.g include rxn-func.g include comp-func.g include changerad.g include cicr-func.g include ryan-func.g include iicrflux-func.g include cytpump-func.g include cal-ip3-2D.g include cal-ip3-rhab.g include cal-ip3-taper.g include volt-func-shunt.g include kleak-newlig2.g include phototrans2.g include yamoah-ih.g include ica.g include kc4act1.g include ka.g include lgt-na17.g include gabaa-chan.g include gabab-syn.g include gabab-chan.g int i, j Vinit = -60.0 gshunt = 0.005 float kncx = 1.5e-3 float Vncx = 1400 float kpmca = 0.3e-3 float Vpmca = 1.6e-11 float Vpmcarhab = 0 float Vncxrhab = 0 int pmca_power = 1 maxcicr = 0.16 serca = 0.00094 axondiama = 3e-4 axondiamb = 5e-4 str plctype="mm" lightdelay=2000 str filepath="/export/home/avrama/chemesis2.0/ncx/results/" echo "reading in model" include taperncxcell.g phototrans /rhab/ip3s1 lgtna_comp /rhab/vm /rhab/ip3s2 {rhabcyls} {gna} echo "initializing output file" str gaba="/branch_syn/vm[2]" include small-output.g //include whole-output.g //include ip3whole-output.g reset setcytpumpleak /soma/Cacyts1 /extracell {somacyls} {Vpmca} {kpmca} {Vncx} {kncx} setcytpumpleak /rhab/Cacyts1 /extracell {rhabcyls} {Vpmcarhab} {kpmca} {Vncxrhab} {kncx} setcytpumpleak /neck/Cacyts1 /extracell 1 {Vpmcarhab} {kpmca} {Vncxrhab} {kncx} setcytpumpleak /axon/Cacyts1 /extracell {axoncyls} {Vpmcarhab} {kpmca} {Vncxrhab} {kncx} setcytpumpleak /branch/Cacyts1 /extracell {branchcyls} {Vpmcarhab} {kpmca} {Vncxrhab} {kncx} setcytpumpleak /branch_syn/Cacyts1 /extracell {branchcyls} {Vpmcarhab} {kpmca} {Vncxrhab} {kncx} //check /* loop for paired stimuli start GABA at 1000 or 3000, start light at 2000, stop at 5000 msec */ int stop=5000/0.005 int isi, start for (isi=-1000; isi<=1000; isi=isi+2000) start=lightdelay+isi echo "isi=" {isi} "start=" {start} "stop=" {stop} setfield /stat/spike_rate peak 0.15 tau_fall 1000 decay_type 0 delay {start} str filenam = (filepath)@"pumpsoma-axon5"@(isi/1000)@".dat" setfield /output/plot_out filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-axon5"@(isi/1000)@".cal" setfield /output/spatial filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-axon5"@(isi/1000)@".ip3" setfield /output/ip3 filename {filenam} initialize 1 append 0 leave_open 1 reset step {stop} setfield /stat/spike_rate peak 0 step 1600000 end /* light alone */ setfield /stat/spike_rate peak 0.0 tau_fall 1000 decay_type 0 delay 16000 str filenam = (filepath)@"pumpsoma-axon5-light.dat" setfield /output/plot_out filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-axon5-light.cal" setfield /output/spatial filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-axon5-light.ip3" setfield /output/ip3 filename {filenam} initialize 1 append 0 leave_open 1 reset step 1000000 step 2400000 /* GABA alone */ setfield /stat/spike_rate peak 0.15 tau_fall 1000 decay_type 0 delay 1000 setfield /rhabmemb/shutter level1 0 delay1 16000 width1 0 str filenam = (filepath)@"pumpsoma-axon5-gaba.dat" setfield /output/plot_out filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-axon5-gaba.cal" setfield /output/spatial filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-axon5-gaba.ip3" setfield /output/ip3 filename {filenam} initialize 1 append 0 leave_open 1 reset step {stop} setfield /stat/spike_rate peak 0 step 1600000 delete /output/ip3 /* decrease Gbar of vdep K currents: Kca and Ka, to evaluate effect of learning. Only due light alone stimulil */ float oldgka, oldgkca, oldcap, oldcat oldgka={getfield /soma/vm[1]/ka Gbar} setfield /soma/vm[1]/ka Gbar {oldgka*0.7} echo oldgka={oldgka} showfield /soma/vm[1]/ka Gbar for (i=1; i<=somacyls; i=i+1) oldgkca={getfield /soma/Cacyts1[{i}]/kc Gbar} echo oldgkca={oldgkca} setfield /soma/Cacyts1[{i}]/kc Gbar {oldgkca*0.7} showfield /soma/Cacyts1[{i}]/kc Gbar end /* light alone */ setfield /rhabmemb/shutter level1 {intensity} delay1 {lightdelay} width1 {duration} setfield /stat/spike_rate peak 0.0 tau_fall 1000 decay_type 0 delay 16000 str filenam = (filepath)@"pumpsoma-vdepk70-light.dat" setfield /output/plot_out filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-vdepk70-light.cal" setfield /output/spatial filename {filenam} initialize 1 append 0 leave_open 1 reset step 1000000 step 2400000 /*add in change in just one calcium current*/ for (i=1; i<=somacyls; i=i+1) showfield /soma/Cacyts1[{i}]/persist_ghk_ica Pca oldcap={getfield /soma/Cacyts1[{i}]/persist_ghk_ica Pca} setfield /soma/Cacyts1[{i}]/persist_ghk_ica Pca {oldcap*0.7} showfield /soma/Cacyts1[{i}]/persist_ghk_ica Pca end setfield /stat/spike_rate peak 0.0 tau_fall 1000 decay_type 0 delay 26000 str filenam = (filepath)@"pumpsoma-cap70-light.dat" setfield /output/plot_out filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-cap70-light.cal" setfield /output/spatial filename {filenam} initialize 1 append 0 leave_open 1 reset step 1000000 step 2400000 /* add in change in transient calcium currents */ for (i=1; i<=somacyls; i=i+1) showfield /soma/Cacyts1[{i}]/trans_ghk_ica Pca oldcat={getfield /soma/Cacyts1[{i}]/trans_ghk_ica Pca} setfield /soma/Cacyts1[{i}]/trans_ghk_ica Pca {oldcat*0.7} showfield /soma/Cacyts1[{i}]/trans_ghk_ica Pca end setfield /stat/spike_rate peak 0.0 tau_fall 1000 decay_type 0 delay 26000 str filenam = (filepath)@"pumpsoma-allvdep70-light.dat" setfield /output/plot_out filename {filenam} initialize 1 append 0 leave_open 1 str filenam = (filepath)@"pumpsoma-allvdep70-light.cal" setfield /output/spatial filename {filenam} initialize 1 append 0 leave_open 1 reset step 1000000 step 2400000