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Fixes #1929 hill transporter issue #1941

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merged 2 commits into from
Nov 3, 2021
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@msevestre msevestre requested a review from Yuri05 November 2, 2021 20:56
@@ -82970,7 +82970,7 @@ INSERT INTO tab_rate_generic_molecules VALUES('LinksCommon','MetabolizationSpeci
INSERT INTO tab_rate_generic_molecules VALUES('LinksCommon','MetabolizationSpecific_Hill',372,'DRUG','C',0);
INSERT INTO tab_rate_generic_molecules VALUES('LinksCommon','MetabolizationSpecific_MM',370,'DRUG','CP',0);
INSERT INTO tab_rate_generic_molecules VALUES('LinksCommon','MetabolizationSpecific_MM',372,'DRUG','C',0);
INSERT INTO tab_rate_generic_molecules VALUES('LinksCommon','MucosaActiveInfluxFromLumen_Hill',368,'DRUG','TM',1);
INSERT INTO tab_rate_generic_molecules VALUES('LinksCommon','MucosaActiveInfluxFromLumen_Hill',366,'DRUG','TM',1);
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This was Target|Transporter. Now Source|Transporter

It needs to be Target in fact because the transporter is not defined in Lumen but in the Mucosa compartment...that's right? @Yuri05 ?

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no, that's not right. Is probably a relic from V9 (where all GI processes were defined with source in Mucosa and Influx-transports had the negative rate to compensate this)
Must be defined Lumen=>Mucosa (same as e.g. MucosaActiveInfluxFromLumen_MM)

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MucosaActiveInfluxFromLumen_MM is defined like this as well

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And setting path to be SOURCE/ doesn't work. So clearly the transporter is not defined here...we might have a little problem to check

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msevestre commented Nov 3, 2021

This is MM. As you can see, the Transporter concentration is taken from the Mucosa

image

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@PavelBal Is it by design that the Lumen => Mucosa transporter observed the Transporter conc. in Mucosa?
It is clearly not defined in Lumen

image

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@Yuri05 That's the same for ActiveEffluxSpecificIntracellularToInterstitial_MM
We are observing the concentration in Interstitial (target)

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Yuri05 commented Nov 3, 2021

ok, after some thinking: that's correct. We place now the basolateral transporter (Mucosa|XXX|Interstitial<=>Mucosa|XXX|Intracellular) always into Mucosa|XXX|Interstitial and the apical transporter (Lumen|XXX<=>Mucosa|XXX|Intracellular) always into Mucosa|XXX|Intracellular.
Thus for the influx transporters Lumen=>Mucosa the Source is Lumen, but the transporter amount is taken from the target (=Mucosa)

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PavelBal commented Nov 3, 2021

@PavelBal Is it by design that the Lumen => Mucosa transporter observed the Transporter conc. in Mucosa?
It is clearly not defined in Lumen

Yes, it makes sense from the physiological point of view.

@msevestre msevestre merged commit 30d820c into develop Nov 3, 2021
@msevestre msevestre deleted the 1929-hill-transporter-issue branch November 3, 2021 12:50
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3 participants